1 | define([ |
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2 | "dojo/_base/array", // array.filter array.forEach array.map |
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3 | "dojo/_base/connect", // connect.isCopyKey() |
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4 | "dojo/cookie", // cookie |
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5 | "dojo/_base/declare", // declare |
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6 | "dojo/_base/Deferred", // Deferred |
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7 | "dojo/DeferredList", // DeferredList |
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8 | "dojo/dom", // dom.isDescendant |
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9 | "dojo/dom-class", // domClass.add domClass.remove domClass.replace domClass.toggle |
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10 | "dojo/dom-geometry", // domGeometry.setMarginBox domGeometry.position |
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11 | "dojo/dom-style",// domStyle.set |
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12 | "dojo/_base/event", // event.stop |
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13 | "dojo/fx", // fxUtils.wipeIn fxUtils.wipeOut |
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14 | "dojo/_base/kernel", // kernel.deprecated |
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15 | "dojo/keys", // arrows etc. |
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16 | "dojo/_base/lang", // lang.getObject lang.mixin lang.hitch |
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17 | "dojo/topic", |
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18 | "./focus", |
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19 | "./registry", // registry.getEnclosingWidget(), manager.defaultDuration |
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20 | "./_base/manager", // manager.getEnclosingWidget(), manager.defaultDuration |
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21 | "./_Widget", |
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22 | "./_TemplatedMixin", |
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23 | "./_Container", |
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24 | "./_Contained", |
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25 | "./_CssStateMixin", |
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26 | "dojo/text!./templates/TreeNode.html", |
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27 | "dojo/text!./templates/Tree.html", |
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28 | "./tree/TreeStoreModel", |
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29 | "./tree/ForestStoreModel", |
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30 | "./tree/_dndSelector" |
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31 | ], function(array, connect, cookie, declare, Deferred, DeferredList, |
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32 | dom, domClass, domGeometry, domStyle, event, fxUtils, kernel, keys, lang, topic, |
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33 | focus, registry, manager, _Widget, _TemplatedMixin, _Container, _Contained, _CssStateMixin, |
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34 | treeNodeTemplate, treeTemplate, TreeStoreModel, ForestStoreModel, _dndSelector){ |
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35 | |
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36 | /*===== |
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37 | var _Widget = dijit._Widget; |
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38 | var _TemplatedMixin = dijit._TemplatedMixin; |
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39 | var _CssStateMixin = dijit._CssStateMixin; |
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40 | var _Container = dijit._Container; |
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41 | var _Contained = dijit._Contained; |
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42 | =====*/ |
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43 | |
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44 | // module: |
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45 | // dijit/Tree |
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46 | // summary: |
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47 | // dijit.Tree widget, and internal dijit._TreeNode widget |
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48 | |
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49 | |
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50 | var TreeNode = declare( |
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51 | "dijit._TreeNode", |
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52 | [_Widget, _TemplatedMixin, _Container, _Contained, _CssStateMixin], |
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53 | { |
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54 | // summary: |
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55 | // Single node within a tree. This class is used internally |
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56 | // by Tree and should not be accessed directly. |
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57 | // tags: |
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58 | // private |
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59 | |
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60 | // item: [const] Item |
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61 | // the dojo.data entry this tree represents |
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62 | item: null, |
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63 | |
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64 | // isTreeNode: [protected] Boolean |
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65 | // Indicates that this is a TreeNode. Used by `dijit.Tree` only, |
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66 | // should not be accessed directly. |
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67 | isTreeNode: true, |
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68 | |
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69 | // label: String |
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70 | // Text of this tree node |
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71 | label: "", |
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72 | _setLabelAttr: {node: "labelNode", type: "innerText"}, |
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73 | |
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74 | // isExpandable: [private] Boolean |
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75 | // This node has children, so show the expando node (+ sign) |
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76 | isExpandable: null, |
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77 | |
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78 | // isExpanded: [readonly] Boolean |
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79 | // This node is currently expanded (ie, opened) |
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80 | isExpanded: false, |
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81 | |
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82 | // state: [private] String |
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83 | // Dynamic loading-related stuff. |
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84 | // When an empty folder node appears, it is "UNCHECKED" first, |
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85 | // then after dojo.data query it becomes "LOADING" and, finally "LOADED" |
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86 | state: "UNCHECKED", |
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87 | |
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88 | templateString: treeNodeTemplate, |
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89 | |
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90 | baseClass: "dijitTreeNode", |
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91 | |
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92 | // For hover effect for tree node, and focus effect for label |
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93 | cssStateNodes: { |
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94 | rowNode: "dijitTreeRow", |
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95 | labelNode: "dijitTreeLabel" |
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96 | }, |
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97 | |
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98 | // Tooltip is defined in _WidgetBase but we need to handle the mapping to DOM here |
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99 | _setTooltipAttr: {node: "rowNode", type: "attribute", attribute: "title"}, |
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100 | |
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101 | buildRendering: function(){ |
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102 | this.inherited(arguments); |
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103 | |
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104 | // set expand icon for leaf |
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105 | this._setExpando(); |
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106 | |
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107 | // set icon and label class based on item |
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108 | this._updateItemClasses(this.item); |
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109 | |
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110 | if(this.isExpandable){ |
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111 | this.labelNode.setAttribute("aria-expanded", this.isExpanded); |
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112 | } |
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113 | |
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114 | //aria-selected should be false on all selectable elements. |
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115 | this.setSelected(false); |
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116 | }, |
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117 | |
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118 | _setIndentAttr: function(indent){ |
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119 | // summary: |
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120 | // Tell this node how many levels it should be indented |
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121 | // description: |
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122 | // 0 for top level nodes, 1 for their children, 2 for their |
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123 | // grandchildren, etc. |
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124 | |
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125 | // Math.max() is to prevent negative padding on hidden root node (when indent == -1) |
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126 | var pixels = (Math.max(indent, 0) * this.tree._nodePixelIndent) + "px"; |
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127 | |
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128 | domStyle.set(this.domNode, "backgroundPosition", pixels + " 0px"); |
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129 | domStyle.set(this.rowNode, this.isLeftToRight() ? "paddingLeft" : "paddingRight", pixels); |
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130 | |
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131 | array.forEach(this.getChildren(), function(child){ |
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132 | child.set("indent", indent+1); |
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133 | }); |
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134 | |
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135 | this._set("indent", indent); |
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136 | }, |
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137 | |
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138 | markProcessing: function(){ |
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139 | // summary: |
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140 | // Visually denote that tree is loading data, etc. |
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141 | // tags: |
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142 | // private |
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143 | this.state = "LOADING"; |
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144 | this._setExpando(true); |
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145 | }, |
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146 | |
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147 | unmarkProcessing: function(){ |
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148 | // summary: |
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149 | // Clear markup from markProcessing() call |
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150 | // tags: |
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151 | // private |
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152 | this._setExpando(false); |
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153 | }, |
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154 | |
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155 | _updateItemClasses: function(item){ |
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156 | // summary: |
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157 | // Set appropriate CSS classes for icon and label dom node |
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158 | // (used to allow for item updates to change respective CSS) |
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159 | // tags: |
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160 | // private |
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161 | var tree = this.tree, model = tree.model; |
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162 | if(tree._v10Compat && item === model.root){ |
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163 | // For back-compat with 1.0, need to use null to specify root item (TODO: remove in 2.0) |
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164 | item = null; |
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165 | } |
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166 | this._applyClassAndStyle(item, "icon", "Icon"); |
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167 | this._applyClassAndStyle(item, "label", "Label"); |
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168 | this._applyClassAndStyle(item, "row", "Row"); |
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169 | }, |
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170 | |
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171 | _applyClassAndStyle: function(item, lower, upper){ |
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172 | // summary: |
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173 | // Set the appropriate CSS classes and styles for labels, icons and rows. |
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174 | // |
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175 | // item: |
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176 | // The data item. |
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177 | // |
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178 | // lower: |
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179 | // The lower case attribute to use, e.g. 'icon', 'label' or 'row'. |
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180 | // |
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181 | // upper: |
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182 | // The upper case attribute to use, e.g. 'Icon', 'Label' or 'Row'. |
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183 | // |
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184 | // tags: |
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185 | // private |
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186 | |
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187 | var clsName = "_" + lower + "Class"; |
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188 | var nodeName = lower + "Node"; |
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189 | var oldCls = this[clsName]; |
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190 | |
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191 | this[clsName] = this.tree["get" + upper + "Class"](item, this.isExpanded); |
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192 | domClass.replace(this[nodeName], this[clsName] || "", oldCls || ""); |
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193 | |
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194 | domStyle.set(this[nodeName], this.tree["get" + upper + "Style"](item, this.isExpanded) || {}); |
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195 | }, |
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196 | |
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197 | _updateLayout: function(){ |
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198 | // summary: |
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199 | // Set appropriate CSS classes for this.domNode |
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200 | // tags: |
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201 | // private |
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202 | var parent = this.getParent(); |
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203 | if(!parent || !parent.rowNode || parent.rowNode.style.display == "none"){ |
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204 | /* if we are hiding the root node then make every first level child look like a root node */ |
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205 | domClass.add(this.domNode, "dijitTreeIsRoot"); |
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206 | }else{ |
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207 | domClass.toggle(this.domNode, "dijitTreeIsLast", !this.getNextSibling()); |
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208 | } |
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209 | }, |
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210 | |
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211 | _setExpando: function(/*Boolean*/ processing){ |
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212 | // summary: |
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213 | // Set the right image for the expando node |
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214 | // tags: |
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215 | // private |
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216 | |
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217 | var styles = ["dijitTreeExpandoLoading", "dijitTreeExpandoOpened", |
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218 | "dijitTreeExpandoClosed", "dijitTreeExpandoLeaf"], |
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219 | _a11yStates = ["*","-","+","*"], |
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220 | idx = processing ? 0 : (this.isExpandable ? (this.isExpanded ? 1 : 2) : 3); |
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221 | |
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222 | // apply the appropriate class to the expando node |
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223 | domClass.replace(this.expandoNode, styles[idx], styles); |
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224 | |
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225 | // provide a non-image based indicator for images-off mode |
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226 | this.expandoNodeText.innerHTML = _a11yStates[idx]; |
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227 | |
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228 | }, |
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229 | |
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230 | expand: function(){ |
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231 | // summary: |
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232 | // Show my children |
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233 | // returns: |
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234 | // Deferred that fires when expansion is complete |
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235 | |
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236 | // If there's already an expand in progress or we are already expanded, just return |
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237 | if(this._expandDeferred){ |
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238 | return this._expandDeferred; // dojo.Deferred |
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239 | } |
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240 | |
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241 | // cancel in progress collapse operation |
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242 | this._wipeOut && this._wipeOut.stop(); |
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243 | |
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244 | // All the state information for when a node is expanded, maybe this should be |
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245 | // set when the animation completes instead |
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246 | this.isExpanded = true; |
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247 | this.labelNode.setAttribute("aria-expanded", "true"); |
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248 | if(this.tree.showRoot || this !== this.tree.rootNode){ |
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249 | this.containerNode.setAttribute("role", "group"); |
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250 | } |
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251 | domClass.add(this.contentNode,'dijitTreeContentExpanded'); |
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252 | this._setExpando(); |
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253 | this._updateItemClasses(this.item); |
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254 | if(this == this.tree.rootNode){ |
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255 | this.tree.domNode.setAttribute("aria-expanded", "true"); |
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256 | } |
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257 | |
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258 | var def, |
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259 | wipeIn = fxUtils.wipeIn({ |
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260 | node: this.containerNode, duration: manager.defaultDuration, |
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261 | onEnd: function(){ |
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262 | def.callback(true); |
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263 | } |
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264 | }); |
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265 | |
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266 | // Deferred that fires when expand is complete |
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267 | def = (this._expandDeferred = new Deferred(function(){ |
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268 | // Canceller |
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269 | wipeIn.stop(); |
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270 | })); |
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271 | |
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272 | wipeIn.play(); |
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273 | |
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274 | return def; // dojo.Deferred |
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275 | }, |
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276 | |
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277 | collapse: function(){ |
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278 | // summary: |
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279 | // Collapse this node (if it's expanded) |
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280 | |
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281 | if(!this.isExpanded){ return; } |
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282 | |
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283 | // cancel in progress expand operation |
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284 | if(this._expandDeferred){ |
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285 | this._expandDeferred.cancel(); |
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286 | delete this._expandDeferred; |
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287 | } |
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288 | |
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289 | this.isExpanded = false; |
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290 | this.labelNode.setAttribute("aria-expanded", "false"); |
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291 | if(this == this.tree.rootNode){ |
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292 | this.tree.domNode.setAttribute("aria-expanded", "false"); |
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293 | } |
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294 | domClass.remove(this.contentNode,'dijitTreeContentExpanded'); |
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295 | this._setExpando(); |
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296 | this._updateItemClasses(this.item); |
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297 | |
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298 | if(!this._wipeOut){ |
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299 | this._wipeOut = fxUtils.wipeOut({ |
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300 | node: this.containerNode, duration: manager.defaultDuration |
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301 | }); |
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302 | } |
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303 | this._wipeOut.play(); |
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304 | }, |
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305 | |
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306 | // indent: Integer |
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307 | // Levels from this node to the root node |
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308 | indent: 0, |
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309 | |
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310 | setChildItems: function(/* Object[] */ items){ |
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311 | // summary: |
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312 | // Sets the child items of this node, removing/adding nodes |
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313 | // from current children to match specified items[] array. |
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314 | // Also, if this.persist == true, expands any children that were previously |
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315 | // opened. |
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316 | // returns: |
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317 | // Deferred object that fires after all previously opened children |
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318 | // have been expanded again (or fires instantly if there are no such children). |
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319 | |
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320 | var tree = this.tree, |
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321 | model = tree.model, |
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322 | defs = []; // list of deferreds that need to fire before I am complete |
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323 | |
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324 | |
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325 | // Orphan all my existing children. |
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326 | // If items contains some of the same items as before then we will reattach them. |
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327 | // Don't call this.removeChild() because that will collapse the tree etc. |
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328 | array.forEach(this.getChildren(), function(child){ |
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329 | _Container.prototype.removeChild.call(this, child); |
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330 | }, this); |
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331 | |
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332 | this.state = "LOADED"; |
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333 | |
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334 | if(items && items.length > 0){ |
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335 | this.isExpandable = true; |
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336 | |
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337 | // Create _TreeNode widget for each specified tree node, unless one already |
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338 | // exists and isn't being used (presumably it's from a DnD move and was recently |
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339 | // released |
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340 | array.forEach(items, function(item){ |
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341 | var id = model.getIdentity(item), |
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342 | existingNodes = tree._itemNodesMap[id], |
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343 | node; |
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344 | if(existingNodes){ |
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345 | for(var i=0;i<existingNodes.length;i++){ |
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346 | if(existingNodes[i] && !existingNodes[i].getParent()){ |
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347 | node = existingNodes[i]; |
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348 | node.set('indent', this.indent+1); |
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349 | break; |
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350 | } |
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351 | } |
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352 | } |
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353 | if(!node){ |
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354 | node = this.tree._createTreeNode({ |
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355 | item: item, |
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356 | tree: tree, |
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357 | isExpandable: model.mayHaveChildren(item), |
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358 | label: tree.getLabel(item), |
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359 | tooltip: tree.getTooltip(item), |
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360 | dir: tree.dir, |
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361 | lang: tree.lang, |
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362 | textDir: tree.textDir, |
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363 | indent: this.indent + 1 |
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364 | }); |
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365 | if(existingNodes){ |
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366 | existingNodes.push(node); |
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367 | }else{ |
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368 | tree._itemNodesMap[id] = [node]; |
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369 | } |
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370 | } |
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371 | this.addChild(node); |
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372 | |
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373 | // If node was previously opened then open it again now (this may trigger |
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374 | // more data store accesses, recursively) |
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375 | if(this.tree.autoExpand || this.tree._state(node)){ |
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376 | defs.push(tree._expandNode(node)); |
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377 | } |
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378 | }, this); |
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379 | |
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380 | // note that updateLayout() needs to be called on each child after |
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381 | // _all_ the children exist |
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382 | array.forEach(this.getChildren(), function(child){ |
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383 | child._updateLayout(); |
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384 | }); |
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385 | }else{ |
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386 | this.isExpandable=false; |
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387 | } |
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388 | |
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389 | if(this._setExpando){ |
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390 | // change expando to/from dot or + icon, as appropriate |
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391 | this._setExpando(false); |
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392 | } |
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393 | |
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394 | // Set leaf icon or folder icon, as appropriate |
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395 | this._updateItemClasses(this.item); |
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396 | |
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397 | // On initial tree show, make the selected TreeNode as either the root node of the tree, |
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398 | // or the first child, if the root node is hidden |
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399 | if(this == tree.rootNode){ |
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400 | var fc = this.tree.showRoot ? this : this.getChildren()[0]; |
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401 | if(fc){ |
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402 | fc.setFocusable(true); |
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403 | tree.lastFocused = fc; |
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404 | }else{ |
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405 | // fallback: no nodes in tree so focus on Tree <div> itself |
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406 | tree.domNode.setAttribute("tabIndex", "0"); |
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407 | } |
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408 | } |
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409 | |
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410 | return new DeferredList(defs); // dojo.Deferred |
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411 | }, |
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412 | |
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413 | getTreePath: function(){ |
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414 | var node = this; |
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415 | var path = []; |
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416 | while(node && node !== this.tree.rootNode){ |
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417 | path.unshift(node.item); |
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418 | node = node.getParent(); |
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419 | } |
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420 | path.unshift(this.tree.rootNode.item); |
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421 | |
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422 | return path; |
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423 | }, |
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424 | |
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425 | getIdentity: function(){ |
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426 | return this.tree.model.getIdentity(this.item); |
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427 | }, |
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428 | |
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429 | removeChild: function(/* treeNode */ node){ |
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430 | this.inherited(arguments); |
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431 | |
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432 | var children = this.getChildren(); |
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433 | if(children.length == 0){ |
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434 | this.isExpandable = false; |
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435 | this.collapse(); |
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436 | } |
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437 | |
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438 | array.forEach(children, function(child){ |
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439 | child._updateLayout(); |
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440 | }); |
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441 | }, |
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442 | |
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443 | makeExpandable: function(){ |
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444 | // summary: |
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445 | // if this node wasn't already showing the expando node, |
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446 | // turn it into one and call _setExpando() |
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447 | |
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448 | // TODO: hmm this isn't called from anywhere, maybe should remove it for 2.0 |
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449 | |
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450 | this.isExpandable = true; |
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451 | this._setExpando(false); |
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452 | }, |
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453 | |
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454 | _onLabelFocus: function(){ |
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455 | // summary: |
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456 | // Called when this row is focused (possibly programatically) |
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457 | // Note that we aren't using _onFocus() builtin to dijit |
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458 | // because it's called when focus is moved to a descendant TreeNode. |
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459 | // tags: |
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460 | // private |
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461 | this.tree._onNodeFocus(this); |
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462 | }, |
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463 | |
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464 | setSelected: function(/*Boolean*/ selected){ |
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465 | // summary: |
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466 | // A Tree has a (single) currently selected node. |
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467 | // Mark that this node is/isn't that currently selected node. |
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468 | // description: |
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469 | // In particular, setting a node as selected involves setting tabIndex |
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470 | // so that when user tabs to the tree, focus will go to that node (only). |
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471 | this.labelNode.setAttribute("aria-selected", selected); |
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472 | domClass.toggle(this.rowNode, "dijitTreeRowSelected", selected); |
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473 | }, |
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474 | |
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475 | setFocusable: function(/*Boolean*/ selected){ |
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476 | // summary: |
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477 | // A Tree has a (single) node that's focusable. |
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478 | // Mark that this node is/isn't that currently focsuable node. |
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479 | // description: |
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480 | // In particular, setting a node as selected involves setting tabIndex |
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481 | // so that when user tabs to the tree, focus will go to that node (only). |
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482 | |
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483 | this.labelNode.setAttribute("tabIndex", selected ? "0" : "-1"); |
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484 | }, |
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485 | |
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486 | _onClick: function(evt){ |
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487 | // summary: |
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488 | // Handler for onclick event on a node |
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489 | // tags: |
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490 | // private |
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491 | this.tree._onClick(this, evt); |
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492 | }, |
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493 | _onDblClick: function(evt){ |
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494 | // summary: |
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495 | // Handler for ondblclick event on a node |
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496 | // tags: |
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497 | // private |
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498 | this.tree._onDblClick(this, evt); |
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499 | }, |
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500 | |
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501 | _onMouseEnter: function(evt){ |
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502 | // summary: |
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503 | // Handler for onmouseenter event on a node |
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504 | // tags: |
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505 | // private |
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506 | this.tree._onNodeMouseEnter(this, evt); |
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507 | }, |
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508 | |
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509 | _onMouseLeave: function(evt){ |
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510 | // summary: |
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511 | // Handler for onmouseenter event on a node |
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512 | // tags: |
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513 | // private |
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514 | this.tree._onNodeMouseLeave(this, evt); |
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515 | }, |
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516 | |
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517 | _setTextDirAttr: function(textDir){ |
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518 | if(textDir &&((this.textDir != textDir) || !this._created)){ |
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519 | this._set("textDir", textDir); |
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520 | this.applyTextDir(this.labelNode, this.labelNode.innerText || this.labelNode.textContent || ""); |
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521 | array.forEach(this.getChildren(), function(childNode){ |
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522 | childNode.set("textDir", textDir); |
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523 | }, this); |
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524 | } |
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525 | } |
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526 | }); |
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527 | |
---|
528 | var Tree = declare("dijit.Tree", [_Widget, _TemplatedMixin], { |
---|
529 | // summary: |
---|
530 | // This widget displays hierarchical data from a store. |
---|
531 | |
---|
532 | // store: [deprecated] String||dojo.data.Store |
---|
533 | // Deprecated. Use "model" parameter instead. |
---|
534 | // The store to get data to display in the tree. |
---|
535 | store: null, |
---|
536 | |
---|
537 | // model: dijit.Tree.model |
---|
538 | // Interface to read tree data, get notifications of changes to tree data, |
---|
539 | // and for handling drop operations (i.e drag and drop onto the tree) |
---|
540 | model: null, |
---|
541 | |
---|
542 | // query: [deprecated] anything |
---|
543 | // Deprecated. User should specify query to the model directly instead. |
---|
544 | // Specifies datastore query to return the root item or top items for the tree. |
---|
545 | query: null, |
---|
546 | |
---|
547 | // label: [deprecated] String |
---|
548 | // Deprecated. Use dijit.tree.ForestStoreModel directly instead. |
---|
549 | // Used in conjunction with query parameter. |
---|
550 | // If a query is specified (rather than a root node id), and a label is also specified, |
---|
551 | // then a fake root node is created and displayed, with this label. |
---|
552 | label: "", |
---|
553 | |
---|
554 | // showRoot: [const] Boolean |
---|
555 | // Should the root node be displayed, or hidden? |
---|
556 | showRoot: true, |
---|
557 | |
---|
558 | // childrenAttr: [deprecated] String[] |
---|
559 | // Deprecated. This information should be specified in the model. |
---|
560 | // One ore more attributes that holds children of a tree node |
---|
561 | childrenAttr: ["children"], |
---|
562 | |
---|
563 | // paths: String[][] or Item[][] |
---|
564 | // Full paths from rootNode to selected nodes expressed as array of items or array of ids. |
---|
565 | // Since setting the paths may be asynchronous (because ofwaiting on dojo.data), set("paths", ...) |
---|
566 | // returns a Deferred to indicate when the set is complete. |
---|
567 | paths: [], |
---|
568 | |
---|
569 | // path: String[] or Item[] |
---|
570 | // Backward compatible singular variant of paths. |
---|
571 | path: [], |
---|
572 | |
---|
573 | // selectedItems: [readonly] Item[] |
---|
574 | // The currently selected items in this tree. |
---|
575 | // This property can only be set (via set('selectedItems', ...)) when that item is already |
---|
576 | // visible in the tree. (I.e. the tree has already been expanded to show that node.) |
---|
577 | // Should generally use `paths` attribute to set the selected items instead. |
---|
578 | selectedItems: null, |
---|
579 | |
---|
580 | // selectedItem: [readonly] Item |
---|
581 | // Backward compatible singular variant of selectedItems. |
---|
582 | selectedItem: null, |
---|
583 | |
---|
584 | // openOnClick: Boolean |
---|
585 | // If true, clicking a folder node's label will open it, rather than calling onClick() |
---|
586 | openOnClick: false, |
---|
587 | |
---|
588 | // openOnDblClick: Boolean |
---|
589 | // If true, double-clicking a folder node's label will open it, rather than calling onDblClick() |
---|
590 | openOnDblClick: false, |
---|
591 | |
---|
592 | templateString: treeTemplate, |
---|
593 | |
---|
594 | // persist: Boolean |
---|
595 | // Enables/disables use of cookies for state saving. |
---|
596 | persist: true, |
---|
597 | |
---|
598 | // autoExpand: Boolean |
---|
599 | // Fully expand the tree on load. Overrides `persist`. |
---|
600 | autoExpand: false, |
---|
601 | |
---|
602 | // dndController: [protected] Function|String |
---|
603 | // Class to use as as the dnd controller. Specifying this class enables DnD. |
---|
604 | // Generally you should specify this as dijit.tree.dndSource. |
---|
605 | // Setting of dijit.tree._dndSelector handles selection only (no actual DnD). |
---|
606 | dndController: _dndSelector, |
---|
607 | |
---|
608 | // parameters to pull off of the tree and pass on to the dndController as its params |
---|
609 | dndParams: ["onDndDrop","itemCreator","onDndCancel","checkAcceptance", "checkItemAcceptance", "dragThreshold", "betweenThreshold"], |
---|
610 | |
---|
611 | //declare the above items so they can be pulled from the tree's markup |
---|
612 | |
---|
613 | // onDndDrop: [protected] Function |
---|
614 | // Parameter to dndController, see `dijit.tree.dndSource.onDndDrop`. |
---|
615 | // Generally this doesn't need to be set. |
---|
616 | onDndDrop: null, |
---|
617 | |
---|
618 | /*===== |
---|
619 | itemCreator: function(nodes, target, source){ |
---|
620 | // summary: |
---|
621 | // Returns objects passed to `Tree.model.newItem()` based on DnD nodes |
---|
622 | // dropped onto the tree. Developer must override this method to enable |
---|
623 | // dropping from external sources onto this Tree, unless the Tree.model's items |
---|
624 | // happen to look like {id: 123, name: "Apple" } with no other attributes. |
---|
625 | // description: |
---|
626 | // For each node in nodes[], which came from source, create a hash of name/value |
---|
627 | // pairs to be passed to Tree.model.newItem(). Returns array of those hashes. |
---|
628 | // nodes: DomNode[] |
---|
629 | // The DOMNodes dragged from the source container |
---|
630 | // target: DomNode |
---|
631 | // The target TreeNode.rowNode |
---|
632 | // source: dojo.dnd.Source |
---|
633 | // The source container the nodes were dragged from, perhaps another Tree or a plain dojo.dnd.Source |
---|
634 | // returns: Object[] |
---|
635 | // Array of name/value hashes for each new item to be added to the Tree, like: |
---|
636 | // | [ |
---|
637 | // | { id: 123, label: "apple", foo: "bar" }, |
---|
638 | // | { id: 456, label: "pear", zaz: "bam" } |
---|
639 | // | ] |
---|
640 | // tags: |
---|
641 | // extension |
---|
642 | return [{}]; |
---|
643 | }, |
---|
644 | =====*/ |
---|
645 | itemCreator: null, |
---|
646 | |
---|
647 | // onDndCancel: [protected] Function |
---|
648 | // Parameter to dndController, see `dijit.tree.dndSource.onDndCancel`. |
---|
649 | // Generally this doesn't need to be set. |
---|
650 | onDndCancel: null, |
---|
651 | |
---|
652 | /*===== |
---|
653 | checkAcceptance: function(source, nodes){ |
---|
654 | // summary: |
---|
655 | // Checks if the Tree itself can accept nodes from this source |
---|
656 | // source: dijit.tree._dndSource |
---|
657 | // The source which provides items |
---|
658 | // nodes: DOMNode[] |
---|
659 | // Array of DOM nodes corresponding to nodes being dropped, dijitTreeRow nodes if |
---|
660 | // source is a dijit.Tree. |
---|
661 | // tags: |
---|
662 | // extension |
---|
663 | return true; // Boolean |
---|
664 | }, |
---|
665 | =====*/ |
---|
666 | checkAcceptance: null, |
---|
667 | |
---|
668 | /*===== |
---|
669 | checkItemAcceptance: function(target, source, position){ |
---|
670 | // summary: |
---|
671 | // Stub function to be overridden if one wants to check for the ability to drop at the node/item level |
---|
672 | // description: |
---|
673 | // In the base case, this is called to check if target can become a child of source. |
---|
674 | // When betweenThreshold is set, position="before" or "after" means that we |
---|
675 | // are asking if the source node can be dropped before/after the target node. |
---|
676 | // target: DOMNode |
---|
677 | // The dijitTreeRoot DOM node inside of the TreeNode that we are dropping on to |
---|
678 | // Use dijit.getEnclosingWidget(target) to get the TreeNode. |
---|
679 | // source: dijit.tree.dndSource |
---|
680 | // The (set of) nodes we are dropping |
---|
681 | // position: String |
---|
682 | // "over", "before", or "after" |
---|
683 | // tags: |
---|
684 | // extension |
---|
685 | return true; // Boolean |
---|
686 | }, |
---|
687 | =====*/ |
---|
688 | checkItemAcceptance: null, |
---|
689 | |
---|
690 | // dragThreshold: Integer |
---|
691 | // Number of pixels mouse moves before it's considered the start of a drag operation |
---|
692 | dragThreshold: 5, |
---|
693 | |
---|
694 | // betweenThreshold: Integer |
---|
695 | // Set to a positive value to allow drag and drop "between" nodes. |
---|
696 | // |
---|
697 | // If during DnD mouse is over a (target) node but less than betweenThreshold |
---|
698 | // pixels from the bottom edge, dropping the the dragged node will make it |
---|
699 | // the next sibling of the target node, rather than the child. |
---|
700 | // |
---|
701 | // Similarly, if mouse is over a target node but less that betweenThreshold |
---|
702 | // pixels from the top edge, dropping the dragged node will make it |
---|
703 | // the target node's previous sibling rather than the target node's child. |
---|
704 | betweenThreshold: 0, |
---|
705 | |
---|
706 | // _nodePixelIndent: Integer |
---|
707 | // Number of pixels to indent tree nodes (relative to parent node). |
---|
708 | // Default is 19 but can be overridden by setting CSS class dijitTreeIndent |
---|
709 | // and calling resize() or startup() on tree after it's in the DOM. |
---|
710 | _nodePixelIndent: 19, |
---|
711 | |
---|
712 | _publish: function(/*String*/ topicName, /*Object*/ message){ |
---|
713 | // summary: |
---|
714 | // Publish a message for this widget/topic |
---|
715 | topic.publish(this.id, lang.mixin({tree: this, event: topicName}, message || {})); // publish |
---|
716 | }, |
---|
717 | |
---|
718 | postMixInProperties: function(){ |
---|
719 | this.tree = this; |
---|
720 | |
---|
721 | if(this.autoExpand){ |
---|
722 | // There's little point in saving opened/closed state of nodes for a Tree |
---|
723 | // that initially opens all it's nodes. |
---|
724 | this.persist = false; |
---|
725 | } |
---|
726 | |
---|
727 | this._itemNodesMap={}; |
---|
728 | |
---|
729 | if(!this.cookieName && this.id){ |
---|
730 | this.cookieName = this.id + "SaveStateCookie"; |
---|
731 | } |
---|
732 | |
---|
733 | this._loadDeferred = new Deferred(); |
---|
734 | |
---|
735 | this.inherited(arguments); |
---|
736 | }, |
---|
737 | |
---|
738 | postCreate: function(){ |
---|
739 | this._initState(); |
---|
740 | |
---|
741 | // Create glue between store and Tree, if not specified directly by user |
---|
742 | if(!this.model){ |
---|
743 | this._store2model(); |
---|
744 | } |
---|
745 | |
---|
746 | // monitor changes to items |
---|
747 | this.connect(this.model, "onChange", "_onItemChange"); |
---|
748 | this.connect(this.model, "onChildrenChange", "_onItemChildrenChange"); |
---|
749 | this.connect(this.model, "onDelete", "_onItemDelete"); |
---|
750 | |
---|
751 | this._load(); |
---|
752 | |
---|
753 | this.inherited(arguments); |
---|
754 | |
---|
755 | if(this.dndController){ |
---|
756 | if(lang.isString(this.dndController)){ |
---|
757 | this.dndController = lang.getObject(this.dndController); |
---|
758 | } |
---|
759 | var params={}; |
---|
760 | for(var i=0; i<this.dndParams.length;i++){ |
---|
761 | if(this[this.dndParams[i]]){ |
---|
762 | params[this.dndParams[i]] = this[this.dndParams[i]]; |
---|
763 | } |
---|
764 | } |
---|
765 | this.dndController = new this.dndController(this, params); |
---|
766 | } |
---|
767 | }, |
---|
768 | |
---|
769 | _store2model: function(){ |
---|
770 | // summary: |
---|
771 | // User specified a store&query rather than model, so create model from store/query |
---|
772 | this._v10Compat = true; |
---|
773 | kernel.deprecated("Tree: from version 2.0, should specify a model object rather than a store/query"); |
---|
774 | |
---|
775 | var modelParams = { |
---|
776 | id: this.id + "_ForestStoreModel", |
---|
777 | store: this.store, |
---|
778 | query: this.query, |
---|
779 | childrenAttrs: this.childrenAttr |
---|
780 | }; |
---|
781 | |
---|
782 | // Only override the model's mayHaveChildren() method if the user has specified an override |
---|
783 | if(this.params.mayHaveChildren){ |
---|
784 | modelParams.mayHaveChildren = lang.hitch(this, "mayHaveChildren"); |
---|
785 | } |
---|
786 | |
---|
787 | if(this.params.getItemChildren){ |
---|
788 | modelParams.getChildren = lang.hitch(this, function(item, onComplete, onError){ |
---|
789 | this.getItemChildren((this._v10Compat && item === this.model.root) ? null : item, onComplete, onError); |
---|
790 | }); |
---|
791 | } |
---|
792 | this.model = new ForestStoreModel(modelParams); |
---|
793 | |
---|
794 | // For backwards compatibility, the visibility of the root node is controlled by |
---|
795 | // whether or not the user has specified a label |
---|
796 | this.showRoot = Boolean(this.label); |
---|
797 | }, |
---|
798 | |
---|
799 | onLoad: function(){ |
---|
800 | // summary: |
---|
801 | // Called when tree finishes loading and expanding. |
---|
802 | // description: |
---|
803 | // If persist == true the loading may encompass many levels of fetches |
---|
804 | // from the data store, each asynchronous. Waits for all to finish. |
---|
805 | // tags: |
---|
806 | // callback |
---|
807 | }, |
---|
808 | |
---|
809 | _load: function(){ |
---|
810 | // summary: |
---|
811 | // Initial load of the tree. |
---|
812 | // Load root node (possibly hidden) and it's children. |
---|
813 | this.model.getRoot( |
---|
814 | lang.hitch(this, function(item){ |
---|
815 | var rn = (this.rootNode = this.tree._createTreeNode({ |
---|
816 | item: item, |
---|
817 | tree: this, |
---|
818 | isExpandable: true, |
---|
819 | label: this.label || this.getLabel(item), |
---|
820 | textDir: this.textDir, |
---|
821 | indent: this.showRoot ? 0 : -1 |
---|
822 | })); |
---|
823 | if(!this.showRoot){ |
---|
824 | rn.rowNode.style.display="none"; |
---|
825 | // if root is not visible, move tree role to the invisible |
---|
826 | // root node's containerNode, see #12135 |
---|
827 | this.domNode.setAttribute("role", "presentation"); |
---|
828 | |
---|
829 | rn.labelNode.setAttribute("role", "presentation"); |
---|
830 | rn.containerNode.setAttribute("role", "tree"); |
---|
831 | } |
---|
832 | this.domNode.appendChild(rn.domNode); |
---|
833 | var identity = this.model.getIdentity(item); |
---|
834 | if(this._itemNodesMap[identity]){ |
---|
835 | this._itemNodesMap[identity].push(rn); |
---|
836 | }else{ |
---|
837 | this._itemNodesMap[identity] = [rn]; |
---|
838 | } |
---|
839 | |
---|
840 | rn._updateLayout(); // sets "dijitTreeIsRoot" CSS classname |
---|
841 | |
---|
842 | // load top level children and then fire onLoad() event |
---|
843 | this._expandNode(rn).addCallback(lang.hitch(this, function(){ |
---|
844 | this._loadDeferred.callback(true); |
---|
845 | this.onLoad(); |
---|
846 | })); |
---|
847 | }), |
---|
848 | function(err){ |
---|
849 | console.error(this, ": error loading root: ", err); |
---|
850 | } |
---|
851 | ); |
---|
852 | }, |
---|
853 | |
---|
854 | getNodesByItem: function(/*Item or id*/ item){ |
---|
855 | // summary: |
---|
856 | // Returns all tree nodes that refer to an item |
---|
857 | // returns: |
---|
858 | // Array of tree nodes that refer to passed item |
---|
859 | |
---|
860 | if(!item){ return []; } |
---|
861 | var identity = lang.isString(item) ? item : this.model.getIdentity(item); |
---|
862 | // return a copy so widget don't get messed up by changes to returned array |
---|
863 | return [].concat(this._itemNodesMap[identity]); |
---|
864 | }, |
---|
865 | |
---|
866 | _setSelectedItemAttr: function(/*Item or id*/ item){ |
---|
867 | this.set('selectedItems', [item]); |
---|
868 | }, |
---|
869 | |
---|
870 | _setSelectedItemsAttr: function(/*Items or ids*/ items){ |
---|
871 | // summary: |
---|
872 | // Select tree nodes related to passed items. |
---|
873 | // WARNING: if model use multi-parented items or desired tree node isn't already loaded |
---|
874 | // behavior is undefined. Use set('paths', ...) instead. |
---|
875 | var tree = this; |
---|
876 | this._loadDeferred.addCallback( lang.hitch(this, function(){ |
---|
877 | var identities = array.map(items, function(item){ |
---|
878 | return (!item || lang.isString(item)) ? item : tree.model.getIdentity(item); |
---|
879 | }); |
---|
880 | var nodes = []; |
---|
881 | array.forEach(identities, function(id){ |
---|
882 | nodes = nodes.concat(tree._itemNodesMap[id] || []); |
---|
883 | }); |
---|
884 | this.set('selectedNodes', nodes); |
---|
885 | })); |
---|
886 | }, |
---|
887 | |
---|
888 | _setPathAttr: function(/*Item[] || String[]*/ path){ |
---|
889 | // summary: |
---|
890 | // Singular variant of _setPathsAttr |
---|
891 | if(path.length){ |
---|
892 | return this.set("paths", [path]); |
---|
893 | }else{ |
---|
894 | // Empty list is interpreted as "select nothing" |
---|
895 | return this.set("paths", []); |
---|
896 | } |
---|
897 | }, |
---|
898 | |
---|
899 | _setPathsAttr: function(/*Item[][] || String[][]*/ paths){ |
---|
900 | // summary: |
---|
901 | // Select the tree nodes identified by passed paths. |
---|
902 | // paths: |
---|
903 | // Array of arrays of items or item id's |
---|
904 | // returns: |
---|
905 | // Deferred to indicate when the set is complete |
---|
906 | var tree = this; |
---|
907 | |
---|
908 | // We may need to wait for some nodes to expand, so setting |
---|
909 | // each path will involve a Deferred. We bring those deferreds |
---|
910 | // together witha DeferredList. |
---|
911 | return new DeferredList(array.map(paths, function(path){ |
---|
912 | var d = new Deferred(); |
---|
913 | |
---|
914 | // normalize path to use identity |
---|
915 | path = array.map(path, function(item){ |
---|
916 | return lang.isString(item) ? item : tree.model.getIdentity(item); |
---|
917 | }); |
---|
918 | |
---|
919 | if(path.length){ |
---|
920 | // Wait for the tree to load, if it hasn't already. |
---|
921 | tree._loadDeferred.addCallback(function(){ selectPath(path, [tree.rootNode], d); }); |
---|
922 | }else{ |
---|
923 | d.errback("Empty path"); |
---|
924 | } |
---|
925 | return d; |
---|
926 | })).addCallback(setNodes); |
---|
927 | |
---|
928 | function selectPath(path, nodes, def){ |
---|
929 | // Traverse path; the next path component should be among "nodes". |
---|
930 | var nextPath = path.shift(); |
---|
931 | var nextNode = array.filter(nodes, function(node){ |
---|
932 | return node.getIdentity() == nextPath; |
---|
933 | })[0]; |
---|
934 | if(!!nextNode){ |
---|
935 | if(path.length){ |
---|
936 | tree._expandNode(nextNode).addCallback(function(){ selectPath(path, nextNode.getChildren(), def); }); |
---|
937 | }else{ |
---|
938 | //Successfully reached the end of this path |
---|
939 | def.callback(nextNode); |
---|
940 | } |
---|
941 | }else{ |
---|
942 | def.errback("Could not expand path at " + nextPath); |
---|
943 | } |
---|
944 | } |
---|
945 | |
---|
946 | function setNodes(newNodes){ |
---|
947 | //After all expansion is finished, set the selection to |
---|
948 | //the set of nodes successfully found. |
---|
949 | tree.set("selectedNodes", array.map( |
---|
950 | array.filter(newNodes,function(x){return x[0];}), |
---|
951 | function(x){return x[1];})); |
---|
952 | } |
---|
953 | }, |
---|
954 | |
---|
955 | _setSelectedNodeAttr: function(node){ |
---|
956 | this.set('selectedNodes', [node]); |
---|
957 | }, |
---|
958 | _setSelectedNodesAttr: function(nodes){ |
---|
959 | this._loadDeferred.addCallback( lang.hitch(this, function(){ |
---|
960 | this.dndController.setSelection(nodes); |
---|
961 | })); |
---|
962 | }, |
---|
963 | |
---|
964 | |
---|
965 | ////////////// Data store related functions ////////////////////// |
---|
966 | // These just get passed to the model; they are here for back-compat |
---|
967 | |
---|
968 | mayHaveChildren: function(/*dojo.data.Item*/ /*===== item =====*/){ |
---|
969 | // summary: |
---|
970 | // Deprecated. This should be specified on the model itself. |
---|
971 | // |
---|
972 | // Overridable function to tell if an item has or may have children. |
---|
973 | // Controls whether or not +/- expando icon is shown. |
---|
974 | // (For efficiency reasons we may not want to check if an element actually |
---|
975 | // has children until user clicks the expando node) |
---|
976 | // tags: |
---|
977 | // deprecated |
---|
978 | }, |
---|
979 | |
---|
980 | getItemChildren: function(/*===== parentItem, onComplete =====*/){ |
---|
981 | // summary: |
---|
982 | // Deprecated. This should be specified on the model itself. |
---|
983 | // |
---|
984 | // Overridable function that return array of child items of given parent item, |
---|
985 | // or if parentItem==null then return top items in tree |
---|
986 | // tags: |
---|
987 | // deprecated |
---|
988 | }, |
---|
989 | |
---|
990 | /////////////////////////////////////////////////////// |
---|
991 | // Functions for converting an item to a TreeNode |
---|
992 | getLabel: function(/*dojo.data.Item*/ item){ |
---|
993 | // summary: |
---|
994 | // Overridable function to get the label for a tree node (given the item) |
---|
995 | // tags: |
---|
996 | // extension |
---|
997 | return this.model.getLabel(item); // String |
---|
998 | }, |
---|
999 | |
---|
1000 | getIconClass: function(/*dojo.data.Item*/ item, /*Boolean*/ opened){ |
---|
1001 | // summary: |
---|
1002 | // Overridable function to return CSS class name to display icon |
---|
1003 | // tags: |
---|
1004 | // extension |
---|
1005 | return (!item || this.model.mayHaveChildren(item)) ? (opened ? "dijitFolderOpened" : "dijitFolderClosed") : "dijitLeaf" |
---|
1006 | }, |
---|
1007 | |
---|
1008 | getLabelClass: function(/*===== item, opened =====*/){ |
---|
1009 | // summary: |
---|
1010 | // Overridable function to return CSS class name to display label |
---|
1011 | // item: dojo.data.Item |
---|
1012 | // opened: Boolean |
---|
1013 | // returns: String |
---|
1014 | // CSS class name |
---|
1015 | // tags: |
---|
1016 | // extension |
---|
1017 | }, |
---|
1018 | |
---|
1019 | getRowClass: function(/*===== item, opened =====*/){ |
---|
1020 | // summary: |
---|
1021 | // Overridable function to return CSS class name to display row |
---|
1022 | // item: dojo.data.Item |
---|
1023 | // opened: Boolean |
---|
1024 | // returns: String |
---|
1025 | // CSS class name |
---|
1026 | // tags: |
---|
1027 | // extension |
---|
1028 | }, |
---|
1029 | |
---|
1030 | getIconStyle: function(/*===== item, opened =====*/){ |
---|
1031 | // summary: |
---|
1032 | // Overridable function to return CSS styles to display icon |
---|
1033 | // item: dojo.data.Item |
---|
1034 | // opened: Boolean |
---|
1035 | // returns: Object |
---|
1036 | // Object suitable for input to dojo.style() like {backgroundImage: "url(...)"} |
---|
1037 | // tags: |
---|
1038 | // extension |
---|
1039 | }, |
---|
1040 | |
---|
1041 | getLabelStyle: function(/*===== item, opened =====*/){ |
---|
1042 | // summary: |
---|
1043 | // Overridable function to return CSS styles to display label |
---|
1044 | // item: dojo.data.Item |
---|
1045 | // opened: Boolean |
---|
1046 | // returns: |
---|
1047 | // Object suitable for input to dojo.style() like {color: "red", background: "green"} |
---|
1048 | // tags: |
---|
1049 | // extension |
---|
1050 | }, |
---|
1051 | |
---|
1052 | getRowStyle: function(/*===== item, opened =====*/){ |
---|
1053 | // summary: |
---|
1054 | // Overridable function to return CSS styles to display row |
---|
1055 | // item: dojo.data.Item |
---|
1056 | // opened: Boolean |
---|
1057 | // returns: |
---|
1058 | // Object suitable for input to dojo.style() like {background-color: "#bbb"} |
---|
1059 | // tags: |
---|
1060 | // extension |
---|
1061 | }, |
---|
1062 | |
---|
1063 | getTooltip: function(/*dojo.data.Item*/ /*===== item =====*/){ |
---|
1064 | // summary: |
---|
1065 | // Overridable function to get the tooltip for a tree node (given the item) |
---|
1066 | // tags: |
---|
1067 | // extension |
---|
1068 | return ""; // String |
---|
1069 | }, |
---|
1070 | |
---|
1071 | /////////// Keyboard and Mouse handlers //////////////////// |
---|
1072 | |
---|
1073 | _onKeyPress: function(/*Event*/ e){ |
---|
1074 | // summary: |
---|
1075 | // Translates keypress events into commands for the controller |
---|
1076 | if(e.altKey){ return; } |
---|
1077 | var treeNode = registry.getEnclosingWidget(e.target); |
---|
1078 | if(!treeNode){ return; } |
---|
1079 | |
---|
1080 | var key = e.charOrCode; |
---|
1081 | if(typeof key == "string" && key != " "){ // handle printables (letter navigation) |
---|
1082 | // Check for key navigation. |
---|
1083 | if(!e.altKey && !e.ctrlKey && !e.shiftKey && !e.metaKey){ |
---|
1084 | this._onLetterKeyNav( { node: treeNode, key: key.toLowerCase() } ); |
---|
1085 | event.stop(e); |
---|
1086 | } |
---|
1087 | }else{ // handle non-printables (arrow keys) |
---|
1088 | // clear record of recent printables (being saved for multi-char letter navigation), |
---|
1089 | // because "a", down-arrow, "b" shouldn't search for "ab" |
---|
1090 | if(this._curSearch){ |
---|
1091 | clearTimeout(this._curSearch.timer); |
---|
1092 | delete this._curSearch; |
---|
1093 | } |
---|
1094 | |
---|
1095 | var map = this._keyHandlerMap; |
---|
1096 | if(!map){ |
---|
1097 | // setup table mapping keys to events |
---|
1098 | map = {}; |
---|
1099 | map[keys.ENTER]="_onEnterKey"; |
---|
1100 | //On WebKit based browsers, the combination ctrl-enter |
---|
1101 | //does not get passed through. To allow accessible |
---|
1102 | //multi-select on those browsers, the space key is |
---|
1103 | //also used for selection. |
---|
1104 | map[keys.SPACE]= map[" "] = "_onEnterKey"; |
---|
1105 | map[this.isLeftToRight() ? keys.LEFT_ARROW : keys.RIGHT_ARROW]="_onLeftArrow"; |
---|
1106 | map[this.isLeftToRight() ? keys.RIGHT_ARROW : keys.LEFT_ARROW]="_onRightArrow"; |
---|
1107 | map[keys.UP_ARROW]="_onUpArrow"; |
---|
1108 | map[keys.DOWN_ARROW]="_onDownArrow"; |
---|
1109 | map[keys.HOME]="_onHomeKey"; |
---|
1110 | map[keys.END]="_onEndKey"; |
---|
1111 | this._keyHandlerMap = map; |
---|
1112 | } |
---|
1113 | if(this._keyHandlerMap[key]){ |
---|
1114 | this[this._keyHandlerMap[key]]( { node: treeNode, item: treeNode.item, evt: e } ); |
---|
1115 | event.stop(e); |
---|
1116 | } |
---|
1117 | } |
---|
1118 | }, |
---|
1119 | |
---|
1120 | _onEnterKey: function(/*Object*/ message){ |
---|
1121 | this._publish("execute", { item: message.item, node: message.node } ); |
---|
1122 | this.dndController.userSelect(message.node, connect.isCopyKey( message.evt ), message.evt.shiftKey); |
---|
1123 | this.onClick(message.item, message.node, message.evt); |
---|
1124 | }, |
---|
1125 | |
---|
1126 | _onDownArrow: function(/*Object*/ message){ |
---|
1127 | // summary: |
---|
1128 | // down arrow pressed; get next visible node, set focus there |
---|
1129 | var node = this._getNextNode(message.node); |
---|
1130 | if(node && node.isTreeNode){ |
---|
1131 | this.focusNode(node); |
---|
1132 | } |
---|
1133 | }, |
---|
1134 | |
---|
1135 | _onUpArrow: function(/*Object*/ message){ |
---|
1136 | // summary: |
---|
1137 | // Up arrow pressed; move to previous visible node |
---|
1138 | |
---|
1139 | var node = message.node; |
---|
1140 | |
---|
1141 | // if younger siblings |
---|
1142 | var previousSibling = node.getPreviousSibling(); |
---|
1143 | if(previousSibling){ |
---|
1144 | node = previousSibling; |
---|
1145 | // if the previous node is expanded, dive in deep |
---|
1146 | while(node.isExpandable && node.isExpanded && node.hasChildren()){ |
---|
1147 | // move to the last child |
---|
1148 | var children = node.getChildren(); |
---|
1149 | node = children[children.length-1]; |
---|
1150 | } |
---|
1151 | }else{ |
---|
1152 | // if this is the first child, return the parent |
---|
1153 | // unless the parent is the root of a tree with a hidden root |
---|
1154 | var parent = node.getParent(); |
---|
1155 | if(!(!this.showRoot && parent === this.rootNode)){ |
---|
1156 | node = parent; |
---|
1157 | } |
---|
1158 | } |
---|
1159 | |
---|
1160 | if(node && node.isTreeNode){ |
---|
1161 | this.focusNode(node); |
---|
1162 | } |
---|
1163 | }, |
---|
1164 | |
---|
1165 | _onRightArrow: function(/*Object*/ message){ |
---|
1166 | // summary: |
---|
1167 | // Right arrow pressed; go to child node |
---|
1168 | var node = message.node; |
---|
1169 | |
---|
1170 | // if not expanded, expand, else move to 1st child |
---|
1171 | if(node.isExpandable && !node.isExpanded){ |
---|
1172 | this._expandNode(node); |
---|
1173 | }else if(node.hasChildren()){ |
---|
1174 | node = node.getChildren()[0]; |
---|
1175 | if(node && node.isTreeNode){ |
---|
1176 | this.focusNode(node); |
---|
1177 | } |
---|
1178 | } |
---|
1179 | }, |
---|
1180 | |
---|
1181 | _onLeftArrow: function(/*Object*/ message){ |
---|
1182 | // summary: |
---|
1183 | // Left arrow pressed. |
---|
1184 | // If not collapsed, collapse, else move to parent. |
---|
1185 | |
---|
1186 | var node = message.node; |
---|
1187 | |
---|
1188 | if(node.isExpandable && node.isExpanded){ |
---|
1189 | this._collapseNode(node); |
---|
1190 | }else{ |
---|
1191 | var parent = node.getParent(); |
---|
1192 | if(parent && parent.isTreeNode && !(!this.showRoot && parent === this.rootNode)){ |
---|
1193 | this.focusNode(parent); |
---|
1194 | } |
---|
1195 | } |
---|
1196 | }, |
---|
1197 | |
---|
1198 | _onHomeKey: function(){ |
---|
1199 | // summary: |
---|
1200 | // Home key pressed; get first visible node, and set focus there |
---|
1201 | var node = this._getRootOrFirstNode(); |
---|
1202 | if(node){ |
---|
1203 | this.focusNode(node); |
---|
1204 | } |
---|
1205 | }, |
---|
1206 | |
---|
1207 | _onEndKey: function(){ |
---|
1208 | // summary: |
---|
1209 | // End key pressed; go to last visible node. |
---|
1210 | |
---|
1211 | var node = this.rootNode; |
---|
1212 | while(node.isExpanded){ |
---|
1213 | var c = node.getChildren(); |
---|
1214 | node = c[c.length - 1]; |
---|
1215 | } |
---|
1216 | |
---|
1217 | if(node && node.isTreeNode){ |
---|
1218 | this.focusNode(node); |
---|
1219 | } |
---|
1220 | }, |
---|
1221 | |
---|
1222 | // multiCharSearchDuration: Number |
---|
1223 | // If multiple characters are typed where each keystroke happens within |
---|
1224 | // multiCharSearchDuration of the previous keystroke, |
---|
1225 | // search for nodes matching all the keystrokes. |
---|
1226 | // |
---|
1227 | // For example, typing "ab" will search for entries starting with |
---|
1228 | // "ab" unless the delay between "a" and "b" is greater than multiCharSearchDuration. |
---|
1229 | multiCharSearchDuration: 250, |
---|
1230 | |
---|
1231 | _onLetterKeyNav: function(message){ |
---|
1232 | // summary: |
---|
1233 | // Called when user presses a prinatable key; search for node starting with recently typed letters. |
---|
1234 | // message: Object |
---|
1235 | // Like { node: TreeNode, key: 'a' } where key is the key the user pressed. |
---|
1236 | |
---|
1237 | // Branch depending on whether this key starts a new search, or modifies an existing search |
---|
1238 | var cs = this._curSearch; |
---|
1239 | if(cs){ |
---|
1240 | // We are continuing a search. Ex: user has pressed 'a', and now has pressed |
---|
1241 | // 'b', so we want to search for nodes starting w/"ab". |
---|
1242 | cs.pattern = cs.pattern + message.key; |
---|
1243 | clearTimeout(cs.timer); |
---|
1244 | }else{ |
---|
1245 | // We are starting a new search |
---|
1246 | cs = this._curSearch = { |
---|
1247 | pattern: message.key, |
---|
1248 | startNode: message.node |
---|
1249 | }; |
---|
1250 | } |
---|
1251 | |
---|
1252 | // set/reset timer to forget recent keystrokes |
---|
1253 | var self = this; |
---|
1254 | cs.timer = setTimeout(function(){ |
---|
1255 | delete self._curSearch; |
---|
1256 | }, this.multiCharSearchDuration); |
---|
1257 | |
---|
1258 | // Navigate to TreeNode matching keystrokes [entered so far]. |
---|
1259 | var node = cs.startNode; |
---|
1260 | do{ |
---|
1261 | node = this._getNextNode(node); |
---|
1262 | //check for last node, jump to first node if necessary |
---|
1263 | if(!node){ |
---|
1264 | node = this._getRootOrFirstNode(); |
---|
1265 | } |
---|
1266 | }while(node !== cs.startNode && (node.label.toLowerCase().substr(0, cs.pattern.length) != cs.pattern)); |
---|
1267 | if(node && node.isTreeNode){ |
---|
1268 | // no need to set focus if back where we started |
---|
1269 | if(node !== cs.startNode){ |
---|
1270 | this.focusNode(node); |
---|
1271 | } |
---|
1272 | } |
---|
1273 | }, |
---|
1274 | |
---|
1275 | isExpandoNode: function(node, widget){ |
---|
1276 | // summary: |
---|
1277 | // check whether a dom node is the expandoNode for a particular TreeNode widget |
---|
1278 | return dom.isDescendant(node, widget.expandoNode); |
---|
1279 | }, |
---|
1280 | _onClick: function(/*TreeNode*/ nodeWidget, /*Event*/ e){ |
---|
1281 | // summary: |
---|
1282 | // Translates click events into commands for the controller to process |
---|
1283 | |
---|
1284 | var domElement = e.target, |
---|
1285 | isExpandoClick = this.isExpandoNode(domElement, nodeWidget); |
---|
1286 | |
---|
1287 | if( (this.openOnClick && nodeWidget.isExpandable) || isExpandoClick ){ |
---|
1288 | // expando node was clicked, or label of a folder node was clicked; open it |
---|
1289 | if(nodeWidget.isExpandable){ |
---|
1290 | this._onExpandoClick({node:nodeWidget}); |
---|
1291 | } |
---|
1292 | }else{ |
---|
1293 | this._publish("execute", { item: nodeWidget.item, node: nodeWidget, evt: e } ); |
---|
1294 | this.onClick(nodeWidget.item, nodeWidget, e); |
---|
1295 | this.focusNode(nodeWidget); |
---|
1296 | } |
---|
1297 | event.stop(e); |
---|
1298 | }, |
---|
1299 | _onDblClick: function(/*TreeNode*/ nodeWidget, /*Event*/ e){ |
---|
1300 | // summary: |
---|
1301 | // Translates double-click events into commands for the controller to process |
---|
1302 | |
---|
1303 | var domElement = e.target, |
---|
1304 | isExpandoClick = (domElement == nodeWidget.expandoNode || domElement == nodeWidget.expandoNodeText); |
---|
1305 | |
---|
1306 | if( (this.openOnDblClick && nodeWidget.isExpandable) ||isExpandoClick ){ |
---|
1307 | // expando node was clicked, or label of a folder node was clicked; open it |
---|
1308 | if(nodeWidget.isExpandable){ |
---|
1309 | this._onExpandoClick({node:nodeWidget}); |
---|
1310 | } |
---|
1311 | }else{ |
---|
1312 | this._publish("execute", { item: nodeWidget.item, node: nodeWidget, evt: e } ); |
---|
1313 | this.onDblClick(nodeWidget.item, nodeWidget, e); |
---|
1314 | this.focusNode(nodeWidget); |
---|
1315 | } |
---|
1316 | event.stop(e); |
---|
1317 | }, |
---|
1318 | |
---|
1319 | _onExpandoClick: function(/*Object*/ message){ |
---|
1320 | // summary: |
---|
1321 | // User clicked the +/- icon; expand or collapse my children. |
---|
1322 | var node = message.node; |
---|
1323 | |
---|
1324 | // If we are collapsing, we might be hiding the currently focused node. |
---|
1325 | // Also, clicking the expando node might have erased focus from the current node. |
---|
1326 | // For simplicity's sake just focus on the node with the expando. |
---|
1327 | this.focusNode(node); |
---|
1328 | |
---|
1329 | if(node.isExpanded){ |
---|
1330 | this._collapseNode(node); |
---|
1331 | }else{ |
---|
1332 | this._expandNode(node); |
---|
1333 | } |
---|
1334 | }, |
---|
1335 | |
---|
1336 | onClick: function(/*===== item, node, evt =====*/){ |
---|
1337 | // summary: |
---|
1338 | // Callback when a tree node is clicked |
---|
1339 | // item: dojo.data.Item |
---|
1340 | // node: TreeNode |
---|
1341 | // evt: Event |
---|
1342 | // tags: |
---|
1343 | // callback |
---|
1344 | }, |
---|
1345 | onDblClick: function(/*===== item, node, evt =====*/){ |
---|
1346 | // summary: |
---|
1347 | // Callback when a tree node is double-clicked |
---|
1348 | // item: dojo.data.Item |
---|
1349 | // node: TreeNode |
---|
1350 | // evt: Event |
---|
1351 | // tags: |
---|
1352 | // callback |
---|
1353 | }, |
---|
1354 | onOpen: function(/*===== item, node =====*/){ |
---|
1355 | // summary: |
---|
1356 | // Callback when a node is opened |
---|
1357 | // item: dojo.data.Item |
---|
1358 | // node: TreeNode |
---|
1359 | // tags: |
---|
1360 | // callback |
---|
1361 | }, |
---|
1362 | onClose: function(/*===== item, node =====*/){ |
---|
1363 | // summary: |
---|
1364 | // Callback when a node is closed |
---|
1365 | // item: dojo.data.Item |
---|
1366 | // node: TreeNode |
---|
1367 | // tags: |
---|
1368 | // callback |
---|
1369 | }, |
---|
1370 | |
---|
1371 | _getNextNode: function(node){ |
---|
1372 | // summary: |
---|
1373 | // Get next visible node |
---|
1374 | |
---|
1375 | if(node.isExpandable && node.isExpanded && node.hasChildren()){ |
---|
1376 | // if this is an expanded node, get the first child |
---|
1377 | return node.getChildren()[0]; // _TreeNode |
---|
1378 | }else{ |
---|
1379 | // find a parent node with a sibling |
---|
1380 | while(node && node.isTreeNode){ |
---|
1381 | var returnNode = node.getNextSibling(); |
---|
1382 | if(returnNode){ |
---|
1383 | return returnNode; // _TreeNode |
---|
1384 | } |
---|
1385 | node = node.getParent(); |
---|
1386 | } |
---|
1387 | return null; |
---|
1388 | } |
---|
1389 | }, |
---|
1390 | |
---|
1391 | _getRootOrFirstNode: function(){ |
---|
1392 | // summary: |
---|
1393 | // Get first visible node |
---|
1394 | return this.showRoot ? this.rootNode : this.rootNode.getChildren()[0]; |
---|
1395 | }, |
---|
1396 | |
---|
1397 | _collapseNode: function(/*_TreeNode*/ node){ |
---|
1398 | // summary: |
---|
1399 | // Called when the user has requested to collapse the node |
---|
1400 | |
---|
1401 | if(node._expandNodeDeferred){ |
---|
1402 | delete node._expandNodeDeferred; |
---|
1403 | } |
---|
1404 | |
---|
1405 | if(node.isExpandable){ |
---|
1406 | if(node.state == "LOADING"){ |
---|
1407 | // ignore clicks while we are in the process of loading data |
---|
1408 | return; |
---|
1409 | } |
---|
1410 | |
---|
1411 | node.collapse(); |
---|
1412 | this.onClose(node.item, node); |
---|
1413 | |
---|
1414 | this._state(node, false); |
---|
1415 | } |
---|
1416 | }, |
---|
1417 | |
---|
1418 | _expandNode: function(/*_TreeNode*/ node, /*Boolean?*/ recursive){ |
---|
1419 | // summary: |
---|
1420 | // Called when the user has requested to expand the node |
---|
1421 | // recursive: |
---|
1422 | // Internal flag used when _expandNode() calls itself, don't set. |
---|
1423 | // returns: |
---|
1424 | // Deferred that fires when the node is loaded and opened and (if persist=true) all it's descendants |
---|
1425 | // that were previously opened too |
---|
1426 | |
---|
1427 | if(node._expandNodeDeferred && !recursive){ |
---|
1428 | // there's already an expand in progress (or completed), so just return |
---|
1429 | return node._expandNodeDeferred; // dojo.Deferred |
---|
1430 | } |
---|
1431 | |
---|
1432 | var model = this.model, |
---|
1433 | item = node.item, |
---|
1434 | _this = this; |
---|
1435 | |
---|
1436 | switch(node.state){ |
---|
1437 | case "UNCHECKED": |
---|
1438 | // need to load all the children, and then expand |
---|
1439 | node.markProcessing(); |
---|
1440 | |
---|
1441 | // Setup deferred to signal when the load and expand are finished. |
---|
1442 | // Save that deferred in this._expandDeferred as a flag that operation is in progress. |
---|
1443 | var def = (node._expandNodeDeferred = new Deferred()); |
---|
1444 | |
---|
1445 | // Get the children |
---|
1446 | model.getChildren( |
---|
1447 | item, |
---|
1448 | function(items){ |
---|
1449 | node.unmarkProcessing(); |
---|
1450 | |
---|
1451 | // Display the children and also start expanding any children that were previously expanded |
---|
1452 | // (if this.persist == true). The returned Deferred will fire when those expansions finish. |
---|
1453 | var scid = node.setChildItems(items); |
---|
1454 | |
---|
1455 | // Call _expandNode() again but this time it will just to do the animation (default branch). |
---|
1456 | // The returned Deferred will fire when the animation completes. |
---|
1457 | // TODO: seems like I can avoid recursion and just use a deferred to sequence the events? |
---|
1458 | var ed = _this._expandNode(node, true); |
---|
1459 | |
---|
1460 | // After the above two tasks (setChildItems() and recursive _expandNode()) finish, |
---|
1461 | // signal that I am done. |
---|
1462 | scid.addCallback(function(){ |
---|
1463 | ed.addCallback(function(){ |
---|
1464 | def.callback(); |
---|
1465 | }) |
---|
1466 | }); |
---|
1467 | }, |
---|
1468 | function(err){ |
---|
1469 | console.error(_this, ": error loading root children: ", err); |
---|
1470 | } |
---|
1471 | ); |
---|
1472 | break; |
---|
1473 | |
---|
1474 | default: // "LOADED" |
---|
1475 | // data is already loaded; just expand node |
---|
1476 | def = (node._expandNodeDeferred = node.expand()); |
---|
1477 | |
---|
1478 | this.onOpen(node.item, node); |
---|
1479 | |
---|
1480 | this._state(node, true); |
---|
1481 | } |
---|
1482 | |
---|
1483 | return def; // dojo.Deferred |
---|
1484 | }, |
---|
1485 | |
---|
1486 | ////////////////// Miscellaneous functions //////////////// |
---|
1487 | |
---|
1488 | focusNode: function(/* _tree.Node */ node){ |
---|
1489 | // summary: |
---|
1490 | // Focus on the specified node (which must be visible) |
---|
1491 | // tags: |
---|
1492 | // protected |
---|
1493 | |
---|
1494 | // set focus so that the label will be voiced using screen readers |
---|
1495 | focus.focus(node.labelNode); |
---|
1496 | }, |
---|
1497 | |
---|
1498 | _onNodeFocus: function(/*dijit._Widget*/ node){ |
---|
1499 | // summary: |
---|
1500 | // Called when a TreeNode gets focus, either by user clicking |
---|
1501 | // it, or programatically by arrow key handling code. |
---|
1502 | // description: |
---|
1503 | // It marks that the current node is the selected one, and the previously |
---|
1504 | // selected node no longer is. |
---|
1505 | |
---|
1506 | if(node && node != this.lastFocused){ |
---|
1507 | if(this.lastFocused && !this.lastFocused._destroyed){ |
---|
1508 | // mark that the previously focsable node is no longer focusable |
---|
1509 | this.lastFocused.setFocusable(false); |
---|
1510 | } |
---|
1511 | |
---|
1512 | // mark that the new node is the currently selected one |
---|
1513 | node.setFocusable(true); |
---|
1514 | this.lastFocused = node; |
---|
1515 | } |
---|
1516 | }, |
---|
1517 | |
---|
1518 | _onNodeMouseEnter: function(/*dijit._Widget*/ /*===== node =====*/){ |
---|
1519 | // summary: |
---|
1520 | // Called when mouse is over a node (onmouseenter event), |
---|
1521 | // this is monitored by the DND code |
---|
1522 | }, |
---|
1523 | |
---|
1524 | _onNodeMouseLeave: function(/*dijit._Widget*/ /*===== node =====*/){ |
---|
1525 | // summary: |
---|
1526 | // Called when mouse leaves a node (onmouseleave event), |
---|
1527 | // this is monitored by the DND code |
---|
1528 | }, |
---|
1529 | |
---|
1530 | //////////////// Events from the model ////////////////////////// |
---|
1531 | |
---|
1532 | _onItemChange: function(/*Item*/ item){ |
---|
1533 | // summary: |
---|
1534 | // Processes notification of a change to an item's scalar values like label |
---|
1535 | var model = this.model, |
---|
1536 | identity = model.getIdentity(item), |
---|
1537 | nodes = this._itemNodesMap[identity]; |
---|
1538 | |
---|
1539 | if(nodes){ |
---|
1540 | var label = this.getLabel(item), |
---|
1541 | tooltip = this.getTooltip(item); |
---|
1542 | array.forEach(nodes, function(node){ |
---|
1543 | node.set({ |
---|
1544 | item: item, // theoretically could be new JS Object representing same item |
---|
1545 | label: label, |
---|
1546 | tooltip: tooltip |
---|
1547 | }); |
---|
1548 | node._updateItemClasses(item); |
---|
1549 | }); |
---|
1550 | } |
---|
1551 | }, |
---|
1552 | |
---|
1553 | _onItemChildrenChange: function(/*dojo.data.Item*/ parent, /*dojo.data.Item[]*/ newChildrenList){ |
---|
1554 | // summary: |
---|
1555 | // Processes notification of a change to an item's children |
---|
1556 | var model = this.model, |
---|
1557 | identity = model.getIdentity(parent), |
---|
1558 | parentNodes = this._itemNodesMap[identity]; |
---|
1559 | |
---|
1560 | if(parentNodes){ |
---|
1561 | array.forEach(parentNodes,function(parentNode){ |
---|
1562 | parentNode.setChildItems(newChildrenList); |
---|
1563 | }); |
---|
1564 | } |
---|
1565 | }, |
---|
1566 | |
---|
1567 | _onItemDelete: function(/*Item*/ item){ |
---|
1568 | // summary: |
---|
1569 | // Processes notification of a deletion of an item |
---|
1570 | var model = this.model, |
---|
1571 | identity = model.getIdentity(item), |
---|
1572 | nodes = this._itemNodesMap[identity]; |
---|
1573 | |
---|
1574 | if(nodes){ |
---|
1575 | array.forEach(nodes,function(node){ |
---|
1576 | // Remove node from set of selected nodes (if it's selected) |
---|
1577 | this.dndController.removeTreeNode(node); |
---|
1578 | |
---|
1579 | var parent = node.getParent(); |
---|
1580 | if(parent){ |
---|
1581 | // if node has not already been orphaned from a _onSetItem(parent, "children", ..) call... |
---|
1582 | parent.removeChild(node); |
---|
1583 | } |
---|
1584 | node.destroyRecursive(); |
---|
1585 | }, this); |
---|
1586 | delete this._itemNodesMap[identity]; |
---|
1587 | } |
---|
1588 | }, |
---|
1589 | |
---|
1590 | /////////////// Miscellaneous funcs |
---|
1591 | |
---|
1592 | _initState: function(){ |
---|
1593 | // summary: |
---|
1594 | // Load in which nodes should be opened automatically |
---|
1595 | this._openedNodes = {}; |
---|
1596 | if(this.persist && this.cookieName){ |
---|
1597 | var oreo = cookie(this.cookieName); |
---|
1598 | if(oreo){ |
---|
1599 | array.forEach(oreo.split(','), function(item){ |
---|
1600 | this._openedNodes[item] = true; |
---|
1601 | }, this); |
---|
1602 | } |
---|
1603 | } |
---|
1604 | }, |
---|
1605 | _state: function(node, expanded){ |
---|
1606 | // summary: |
---|
1607 | // Query or set expanded state for an node |
---|
1608 | if(!this.persist){ |
---|
1609 | return false; |
---|
1610 | } |
---|
1611 | var path = array.map(node.getTreePath(), function(item){ |
---|
1612 | return this.model.getIdentity(item); |
---|
1613 | }, this).join("/"); |
---|
1614 | if(arguments.length === 1){ |
---|
1615 | return this._openedNodes[path]; |
---|
1616 | }else{ |
---|
1617 | if(expanded){ |
---|
1618 | this._openedNodes[path] = true; |
---|
1619 | }else{ |
---|
1620 | delete this._openedNodes[path]; |
---|
1621 | } |
---|
1622 | var ary = []; |
---|
1623 | for(var id in this._openedNodes){ |
---|
1624 | ary.push(id); |
---|
1625 | } |
---|
1626 | cookie(this.cookieName, ary.join(","), {expires:365}); |
---|
1627 | } |
---|
1628 | }, |
---|
1629 | |
---|
1630 | destroy: function(){ |
---|
1631 | if(this._curSearch){ |
---|
1632 | clearTimeout(this._curSearch.timer); |
---|
1633 | delete this._curSearch; |
---|
1634 | } |
---|
1635 | if(this.rootNode){ |
---|
1636 | this.rootNode.destroyRecursive(); |
---|
1637 | } |
---|
1638 | if(this.dndController && !lang.isString(this.dndController)){ |
---|
1639 | this.dndController.destroy(); |
---|
1640 | } |
---|
1641 | this.rootNode = null; |
---|
1642 | this.inherited(arguments); |
---|
1643 | }, |
---|
1644 | |
---|
1645 | destroyRecursive: function(){ |
---|
1646 | // A tree is treated as a leaf, not as a node with children (like a grid), |
---|
1647 | // but defining destroyRecursive for back-compat. |
---|
1648 | this.destroy(); |
---|
1649 | }, |
---|
1650 | |
---|
1651 | resize: function(changeSize){ |
---|
1652 | if(changeSize){ |
---|
1653 | domGeometry.setMarginBox(this.domNode, changeSize); |
---|
1654 | } |
---|
1655 | |
---|
1656 | // The only JS sizing involved w/tree is the indentation, which is specified |
---|
1657 | // in CSS and read in through this dummy indentDetector node (tree must be |
---|
1658 | // visible and attached to the DOM to read this) |
---|
1659 | this._nodePixelIndent = domGeometry.position(this.tree.indentDetector).w; |
---|
1660 | |
---|
1661 | if(this.tree.rootNode){ |
---|
1662 | // If tree has already loaded, then reset indent for all the nodes |
---|
1663 | this.tree.rootNode.set('indent', this.showRoot ? 0 : -1); |
---|
1664 | } |
---|
1665 | }, |
---|
1666 | |
---|
1667 | _createTreeNode: function(/*Object*/ args){ |
---|
1668 | // summary: |
---|
1669 | // creates a TreeNode |
---|
1670 | // description: |
---|
1671 | // Developers can override this method to define their own TreeNode class; |
---|
1672 | // However it will probably be removed in a future release in favor of a way |
---|
1673 | // of just specifying a widget for the label, rather than one that contains |
---|
1674 | // the children too. |
---|
1675 | return new TreeNode(args); |
---|
1676 | }, |
---|
1677 | |
---|
1678 | _setTextDirAttr: function(textDir){ |
---|
1679 | if(textDir && this.textDir!= textDir){ |
---|
1680 | this._set("textDir",textDir); |
---|
1681 | this.rootNode.set("textDir", textDir); |
---|
1682 | } |
---|
1683 | } |
---|
1684 | }); |
---|
1685 | |
---|
1686 | Tree._TreeNode = TreeNode; // for monkey patching |
---|
1687 | |
---|
1688 | return Tree; |
---|
1689 | }); |
---|