1 | define("dojox/layout/ToggleSplitter", ["dojo", "dijit", "dijit/layout/BorderContainer"], function(dojo, dijit) { |
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2 | |
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3 | dojo.experimental("dojox.layout.ToggleSplitter"); |
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4 | |
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5 | var ToggleSplitter = dojo.declare("dojox.layout.ToggleSplitter", dijit.layout._Splitter, { |
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6 | // summary: |
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7 | // A draggable and clickable spacer between two items in a `dijit.layout.BorderContainer`. |
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8 | // description: |
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9 | // This is instantiated by `dijit.layout.BorderContainer`. Users should not |
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10 | // create it directly. |
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11 | // tags: |
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12 | // private |
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13 | |
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14 | |
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15 | // container: [const] dijit/layout/BorderContainer |
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16 | // Pointer to the parent BorderContainer |
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17 | container: null, |
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18 | |
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19 | // child: [const] dijit/layout/_LayoutWidget |
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20 | // Pointer to the pane associated with this splitter |
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21 | child: null, |
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22 | |
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23 | // region: [const] String |
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24 | // Region of pane associated with this splitter. |
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25 | // "top", "bottom", "left", "right". |
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26 | region: null, |
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27 | |
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28 | // state: String |
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29 | // the initial and current state of the splitter (and its attached pane) |
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30 | // It has three values: full, collapsed (optional), closed |
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31 | state: "full", |
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32 | |
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33 | // _closedSize: String |
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34 | // the css height/width value to apply by default when the attached pane is closed |
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35 | _closedSize: "0", |
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36 | |
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37 | baseClass: "dojoxToggleSplitter", |
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38 | |
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39 | templateString: '<div class="dijitSplitter dojoxToggleSplitter" dojoAttachEvent="onkeypress:_onKeyPress,onmousedown:_startDrag,onmouseenter:_onMouse,onmouseleave:_onMouse">' + |
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40 | '<div dojoAttachPoint="toggleNode" class="dijitSplitterThumb dojoxToggleSplitterIcon" tabIndex="0" role="separator" ' + |
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41 | 'dojoAttachEvent="onmousedown:_onToggleNodeMouseDown,onclick:_toggle,onmouseenter:_onToggleNodeMouseMove,onmouseleave:_onToggleNodeMouseMove,onfocus:_onToggleNodeMouseMove,onblur:_onToggleNodeMouseMove">' + |
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42 | '<span class="dojoxToggleSplitterA11y" dojoAttachPoint="a11yText"></span></div>' + |
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43 | '</div>', |
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44 | |
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45 | postCreate: function(){ |
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46 | this.inherited(arguments); |
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47 | |
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48 | // add a region css hook so that it can figure out the region correctly |
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49 | var region = this.region; |
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50 | dojo.addClass(this.domNode, this.baseClass + region.charAt(0).toUpperCase() + region.substring(1)); |
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51 | }, |
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52 | |
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53 | startup: function(){ |
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54 | this.inherited(arguments); |
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55 | |
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56 | // we have to wait until startup to be sure the child exists in the dom |
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57 | // and has non-zero size (if its supposed to be showing) |
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58 | var parentPane = this.child, |
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59 | paneNode = this.child.domNode, |
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60 | intPaneSize = dojo.style(paneNode, (this.horizontal ? "height" : "width")); |
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61 | |
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62 | this.domNode.setAttribute("aria-controls", paneNode.id); |
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63 | |
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64 | // creation of splitters is an opaque process in BorderContainer, |
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65 | // so if we want to get init params, we have to retrieve them from the attached BC child |
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66 | // NOTE: for this to work we have to extend the prototype of dijit._Widget (some more) |
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67 | dojo.forEach(["toggleSplitterState", "toggleSplitterFullSize", "toggleSplitterCollapsedSize"], function(name){ |
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68 | var pname = name.substring("toggleSplitter".length); |
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69 | pname = pname.charAt(0).toLowerCase() + pname.substring(1); |
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70 | if(name in this.child){ |
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71 | this[pname] = this.child[name]; |
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72 | } |
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73 | }, this); |
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74 | |
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75 | if(!this.fullSize){ |
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76 | // Store the current size as the fullSize if none was provided |
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77 | // dojo.style always returns a integer (pixel) value for height/width |
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78 | // use an arbitrary default if a pane was initialized closed and no fullSize provided |
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79 | // If collapsedSize is not specified, collapsed state does not exist. |
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80 | this.fullSize = this.state == "full" ? intPaneSize + "px" : "75px"; |
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81 | } |
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82 | |
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83 | this._openStyleProps = this._getStyleProps(paneNode, "full"); |
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84 | |
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85 | // update state |
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86 | this._started = true; |
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87 | this.set("state", this.state); |
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88 | |
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89 | return this; |
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90 | }, |
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91 | |
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92 | _onKeyPress: function(evt){ |
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93 | if(this.state == "full"){ |
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94 | this.inherited(arguments); |
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95 | } |
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96 | if(evt.charCode == dojo.keys.SPACE || evt.keyCode == dojo.keys.ENTER){ |
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97 | this._toggle(evt); |
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98 | dojo.stopEvent(evt); |
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99 | } |
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100 | }, |
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101 | |
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102 | _onToggleNodeMouseDown: function(evt){ |
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103 | dojo.stopEvent(evt); |
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104 | this.toggleNode.focus(); |
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105 | }, |
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106 | |
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107 | _startDrag: function(e){ |
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108 | if(this.state == "full"){ |
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109 | this.inherited(arguments); |
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110 | } |
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111 | }, |
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112 | |
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113 | _stopDrag: function(e){ |
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114 | this.inherited(arguments); |
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115 | this.toggleNode.blur(); |
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116 | }, |
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117 | |
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118 | _toggle: function(evt){ |
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119 | var state; |
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120 | switch(this.state){ |
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121 | case "full": |
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122 | state = this.collapsedSize ? "collapsed" : "closed"; |
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123 | break; |
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124 | case "collapsed": |
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125 | state = "closed"; |
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126 | break; |
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127 | default: |
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128 | state = "full"; |
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129 | } |
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130 | this.set("state", state); |
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131 | }, |
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132 | |
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133 | _onToggleNodeMouseMove: function(evt){ |
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134 | var baseClass = this.baseClass, |
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135 | toggleNode = this.toggleNode, |
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136 | on = this.state == "full" || this.state == "collapsed", |
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137 | leave = evt.type == "mouseout" || evt.type == "blur"; |
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138 | |
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139 | dojo.toggleClass(toggleNode, baseClass + "IconOpen", leave && on); |
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140 | dojo.toggleClass(toggleNode, baseClass + "IconOpenHover", !leave && on); |
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141 | dojo.toggleClass(toggleNode, baseClass + "IconClosed", leave && !on); |
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142 | dojo.toggleClass(toggleNode, baseClass + "IconClosedHover", !leave && !on); |
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143 | }, |
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144 | |
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145 | _handleOnChange: function(preState){ |
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146 | // summary: |
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147 | // Effect the state change with the new value of this.state |
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148 | var paneNode = this.child.domNode, |
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149 | openProps, paneStyle, |
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150 | dim = this.horizontal ? "height" : "width"; |
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151 | |
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152 | if(this.state == "full"){ |
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153 | // change to full open state |
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154 | var styleProps = dojo.mixin({ |
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155 | display: "block", |
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156 | overflow: "auto", |
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157 | visibility: "visible" |
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158 | }, this._openStyleProps); |
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159 | styleProps[dim] = (this._openStyleProps && this._openStyleProps[dim]) ? this._openStyleProps[dim] : this.fullSize; |
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160 | |
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161 | dojo.style(this.domNode, "cursor", ""); |
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162 | dojo.style(paneNode, styleProps); |
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163 | }else if(this.state == "collapsed"){ |
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164 | paneStyle = dojo.getComputedStyle(paneNode); |
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165 | openProps = this._getStyleProps(paneNode, "full", paneStyle); |
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166 | this._openStyleProps = openProps; |
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167 | |
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168 | dojo.style(this.domNode, "cursor", "auto"); |
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169 | dojo.style(paneNode, dim, this.collapsedSize); |
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170 | }else{ |
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171 | // change to closed state |
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172 | if(!this.collapsedSize){ |
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173 | paneStyle = dojo.getComputedStyle(paneNode); |
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174 | openProps = this._getStyleProps(paneNode, "full", paneStyle); |
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175 | this._openStyleProps = openProps; |
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176 | } |
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177 | var closedProps = this._getStyleProps(paneNode, "closed", paneStyle); |
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178 | |
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179 | dojo.style(this.domNode, "cursor", "auto"); |
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180 | dojo.style(paneNode, closedProps); |
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181 | } |
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182 | this._setStateClass(); |
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183 | if(this.container._started){ |
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184 | this.container._layoutChildren(this.region); |
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185 | } |
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186 | }, |
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187 | |
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188 | _getStyleProps: function(paneNode, state, paneStyle){ |
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189 | // summary: |
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190 | // Create an object with the style property name: values |
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191 | // that will need to be applied to the child pane render the given state |
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192 | if(!paneStyle){ |
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193 | paneStyle = dojo.getComputedStyle(paneNode); |
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194 | } |
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195 | var styleProps = {}, |
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196 | dim = this.horizontal ? "height" : "width"; |
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197 | |
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198 | styleProps["overflow"] = (state != "closed") ? paneStyle["overflow"] : "hidden"; |
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199 | styleProps["visibility"] = (state != "closed") ? paneStyle["visibility"] : "hidden"; |
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200 | |
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201 | // Use the inline width/height style value, in preference to the computedStyle |
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202 | // for the open width/height |
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203 | styleProps[dim] = (state != "closed") ? paneNode.style[dim] || paneStyle[dim] : this._closedSize; |
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204 | |
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205 | // We include the padding, border, margin width values for restoring on state full open |
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206 | var edgeNames = ["Top", "Right", "Bottom", "Left"]; |
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207 | dojo.forEach(["padding", "margin", "border"], function(pname){ |
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208 | for(var i = 0; i < edgeNames.length; i++){ |
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209 | var fullName = pname + edgeNames[i]; |
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210 | if(pname == "border"){ |
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211 | fullName += "Width"; |
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212 | } |
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213 | if(undefined !== paneStyle[fullName]){ |
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214 | styleProps[fullName] = (state != "closed") ? paneStyle[fullName] : 0; |
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215 | } |
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216 | } |
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217 | }); |
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218 | |
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219 | return styleProps; |
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220 | }, |
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221 | |
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222 | _setStateClass: function(){ |
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223 | // summary: |
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224 | // Apply the appropriate classes for the current open state |
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225 | var arrow = "▴", region = this.region.toLowerCase(), |
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226 | baseClass = this.baseClass, |
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227 | toggleNode = this.toggleNode, |
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228 | on = this.state == "full" || this.state == "collapsed", |
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229 | focused = this.focused; |
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230 | |
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231 | dojo.toggleClass(toggleNode, baseClass + "IconOpen", on && !focused); |
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232 | dojo.toggleClass(toggleNode, baseClass + "IconClosed", !on && !focused); |
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233 | dojo.toggleClass(toggleNode, baseClass + "IconOpenHover", on && focused); |
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234 | dojo.toggleClass(toggleNode, baseClass + "IconClosedHover", !on && focused); |
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235 | |
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236 | // For a11y |
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237 | if(region == "top" && on || region == "bottom" && !on){ |
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238 | arrow = "▲"; |
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239 | }else if(region == "top" && !on || region == "bottom" && on){ |
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240 | arrow = "▼"; |
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241 | }else if(region == "right" && on || region == "left" && !on){ |
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242 | arrow = "▶"; |
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243 | }else if(region == "right" && !on || region == "left" && on){ |
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244 | arrow = "◀"; |
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245 | } |
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246 | |
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247 | this.a11yText.innerHTML = arrow; |
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248 | }, |
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249 | |
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250 | _setStateAttr: function(/*String*/ state){ |
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251 | // summary: |
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252 | // setter for the state property |
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253 | if(!this._started) { |
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254 | return; |
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255 | } |
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256 | var preState = this.state; |
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257 | this.state = state; |
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258 | |
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259 | this._handleOnChange(preState); |
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260 | var evtName; |
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261 | switch(state){ |
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262 | case "full": |
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263 | this.domNode.setAttribute("aria-expanded", true); |
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264 | evtName = "onOpen"; |
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265 | break; |
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266 | case "collapsed": |
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267 | this.domNode.setAttribute("aria-expanded", true); |
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268 | evtName = "onCollapsed"; |
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269 | break; |
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270 | default: |
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271 | this.domNode.setAttribute("aria-expanded", false); |
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272 | evtName = "onClosed"; |
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273 | } |
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274 | this[evtName](this.child); |
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275 | }, |
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276 | |
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277 | onOpen: function(pane){ /*Stub*/ }, |
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278 | onCollapsed: function(pane){ /*Stub*/ }, |
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279 | onClosed: function(pane){ /*Stub*/ } |
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280 | }); |
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281 | |
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282 | // As BC places no constraints on what kind of widgets can be children |
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283 | // we have to extend the base class to ensure the properties we need can be set (both in markup and programatically) |
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284 | dojo.extend(dijit._Widget, { |
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285 | // toggleSplitterOpen: Boolean |
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286 | toggleSplitterState: "full", |
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287 | |
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288 | // toggleSplitterClosedThreshold: String |
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289 | // A css size value (e.g. "100px") |
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290 | toggleSplitterFullSize: "", |
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291 | |
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292 | toggleSplitterCollapsedSize: "" |
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293 | }); |
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294 | |
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295 | return ToggleSplitter; |
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296 | |
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297 | }); |
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