1 | define([ |
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2 | "dojo/_base/array", // array.forEach |
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3 | "dojo/_base/declare", // declare |
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4 | "dojo/dom-attr", // domAttr.set |
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5 | "dojo/dom-class", // domClass.add domClass.remove domClass.toggle |
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6 | "dojo/dom-geometry", // domGeometry.setMarginBox |
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7 | "dojo/i18n", // i18n.getLocalization |
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8 | "dojo/_base/lang", // lang.hitch |
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9 | "dojo/on", |
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10 | "dojo/sniff", // has("ie") |
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11 | "./_FormSelectWidget", |
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12 | "../_HasDropDown", |
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13 | "../DropDownMenu", |
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14 | "../MenuItem", |
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15 | "../MenuSeparator", |
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16 | "../Tooltip", |
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17 | "../_KeyNavMixin", |
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18 | "../registry", // registry.byNode |
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19 | "dojo/text!./templates/Select.html", |
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20 | "dojo/i18n!./nls/validate" |
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21 | ], function(array, declare, domAttr, domClass, domGeometry, i18n, lang, on, has, |
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22 | _FormSelectWidget, _HasDropDown, DropDownMenu, MenuItem, MenuSeparator, Tooltip, _KeyNavMixin, registry, template){ |
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23 | |
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24 | // module: |
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25 | // dijit/form/Select |
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26 | |
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27 | var _SelectMenu = declare("dijit.form._SelectMenu", DropDownMenu, { |
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28 | // summary: |
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29 | // An internally-used menu for dropdown that allows us a vertical scrollbar |
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30 | |
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31 | // Override Menu.autoFocus setting so that opening a Select highlights the current value. |
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32 | autoFocus: true, |
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33 | |
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34 | buildRendering: function(){ |
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35 | this.inherited(arguments); |
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36 | |
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37 | this.domNode.setAttribute("role", "listbox"); |
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38 | }, |
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39 | |
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40 | postCreate: function(){ |
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41 | // summary: |
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42 | // stop mousemove from selecting text on IE to be consistent with other browsers |
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43 | |
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44 | this.inherited(arguments); |
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45 | |
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46 | this.own(on(this.domNode, "selectstart", function(evt){ |
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47 | evt.preventDefault(); |
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48 | evt.stopPropagation(); |
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49 | })); |
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50 | }, |
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51 | |
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52 | focus: function(){ |
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53 | // summary: |
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54 | // Overridden so that the previously selected value will be focused instead of only the first item |
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55 | var found = false, |
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56 | val = this.parentWidget.value; |
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57 | if(lang.isArray(val)){ |
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58 | val = val[val.length - 1]; |
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59 | } |
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60 | if(val){ // if focus selected |
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61 | array.forEach(this.parentWidget._getChildren(), function(child){ |
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62 | if(child.option && (val === child.option.value)){ // find menu item widget with this value |
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63 | found = true; |
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64 | this.focusChild(child, false); // focus previous selection |
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65 | } |
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66 | }, this); |
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67 | } |
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68 | if(!found){ |
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69 | this.inherited(arguments); // focus first item by default |
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70 | } |
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71 | } |
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72 | }); |
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73 | |
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74 | var Select = declare("dijit.form.Select" + (has("dojo-bidi") ? "_NoBidi" : ""), [_FormSelectWidget, _HasDropDown, _KeyNavMixin], { |
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75 | // summary: |
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76 | // This is a "styleable" select box - it is basically a DropDownButton which |
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77 | // can take a `<select>` as its input. |
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78 | |
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79 | baseClass: "dijitSelect dijitValidationTextBox", |
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80 | |
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81 | templateString: template, |
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82 | |
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83 | _buttonInputDisabled: has("ie") ? "disabled" : "", // allows IE to disallow focus, but Firefox cannot be disabled for mousedown events |
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84 | |
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85 | // required: Boolean |
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86 | // Can be true or false, default is false. |
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87 | required: false, |
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88 | |
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89 | // state: [readonly] String |
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90 | // "Incomplete" if this select is required but unset (i.e. blank value), "" otherwise |
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91 | state: "", |
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92 | |
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93 | // message: String |
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94 | // Currently displayed error/prompt message |
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95 | message: "", |
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96 | |
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97 | // tooltipPosition: String[] |
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98 | // See description of `dijit/Tooltip.defaultPosition` for details on this parameter. |
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99 | tooltipPosition: [], |
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100 | |
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101 | // emptyLabel: string |
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102 | // What to display in an "empty" dropdown |
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103 | emptyLabel: " ", // |
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104 | |
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105 | // _isLoaded: Boolean |
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106 | // Whether or not we have been loaded |
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107 | _isLoaded: false, |
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108 | |
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109 | // _childrenLoaded: Boolean |
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110 | // Whether or not our children have been loaded |
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111 | _childrenLoaded: false, |
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112 | |
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113 | _fillContent: function(){ |
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114 | // summary: |
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115 | // Set the value to be the first, or the selected index |
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116 | this.inherited(arguments); |
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117 | // set value from selected option |
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118 | if(this.options.length && !this.value && this.srcNodeRef){ |
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119 | var si = this.srcNodeRef.selectedIndex || 0; // || 0 needed for when srcNodeRef is not a SELECT |
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120 | this._set("value", this.options[si >= 0 ? si : 0].value); |
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121 | } |
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122 | // Create the dropDown widget |
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123 | this.dropDown = new _SelectMenu({ id: this.id + "_menu", parentWidget: this }); |
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124 | domClass.add(this.dropDown.domNode, this.baseClass.replace(/\s+|$/g, "Menu ")); |
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125 | }, |
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126 | |
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127 | _getMenuItemForOption: function(/*_FormSelectWidget.__SelectOption*/ option){ |
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128 | // summary: |
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129 | // For the given option, return the menu item that should be |
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130 | // used to display it. This can be overridden as needed |
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131 | if(!option.value && !option.label){ |
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132 | // We are a separator (no label set for it) |
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133 | return new MenuSeparator({ownerDocument: this.ownerDocument}); |
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134 | }else{ |
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135 | // Just a regular menu option |
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136 | var click = lang.hitch(this, "_setValueAttr", option); |
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137 | var item = new MenuItem({ |
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138 | option: option, |
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139 | label: option.label || this.emptyLabel, |
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140 | onClick: click, |
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141 | ownerDocument: this.ownerDocument, |
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142 | dir: this.dir, |
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143 | textDir: this.textDir, |
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144 | disabled: option.disabled || false |
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145 | }); |
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146 | item.focusNode.setAttribute("role", "option"); |
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147 | return item; |
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148 | } |
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149 | }, |
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150 | |
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151 | _addOptionItem: function(/*_FormSelectWidget.__SelectOption*/ option){ |
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152 | // summary: |
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153 | // For the given option, add an option to our dropdown. |
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154 | // If the option doesn't have a value, then a separator is added |
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155 | // in that place. |
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156 | if(this.dropDown){ |
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157 | this.dropDown.addChild(this._getMenuItemForOption(option)); |
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158 | } |
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159 | }, |
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160 | |
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161 | _getChildren: function(){ |
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162 | if(!this.dropDown){ |
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163 | return []; |
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164 | } |
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165 | return this.dropDown.getChildren(); |
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166 | }, |
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167 | |
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168 | focus: function(){ |
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169 | // Override _KeyNavMixin::focus(), which calls focusFirstChild(). |
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170 | // We just want the standard form widget behavior. |
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171 | if(!this.disabled && this.focusNode.focus){ |
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172 | try{ |
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173 | this.focusNode.focus(); |
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174 | }catch(e){ |
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175 | /*squelch errors from hidden nodes*/ |
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176 | } |
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177 | } |
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178 | }, |
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179 | |
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180 | focusChild: function(/*dijit/_WidgetBase*/ widget){ |
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181 | // summary: |
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182 | // Sets the value to the given option, used during search by letter. |
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183 | // widget: |
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184 | // Reference to option's widget |
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185 | // tags: |
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186 | // protected |
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187 | if(widget){ |
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188 | this.set('value', widget.option); |
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189 | } |
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190 | }, |
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191 | |
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192 | _getFirst: function(){ |
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193 | // summary: |
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194 | // Returns the first child widget. |
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195 | // tags: |
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196 | // abstract extension |
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197 | var children = this._getChildren(); |
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198 | return children.length ? children[0] : null; |
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199 | }, |
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200 | |
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201 | _getLast: function(){ |
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202 | // summary: |
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203 | // Returns the last child widget. |
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204 | // tags: |
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205 | // abstract extension |
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206 | var children = this._getChildren(); |
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207 | return children.length ? children[children.length-1] : null; |
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208 | }, |
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209 | |
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210 | childSelector: function(/*DOMNode*/ node){ |
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211 | // Implement _KeyNavMixin.childSelector, to identify focusable child nodes. |
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212 | // If we allowed a dojo/query dependency from this module this could more simply be a string "> *" |
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213 | // instead of this function. |
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214 | |
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215 | var node = registry.byNode(node); |
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216 | return node && node.getParent() == this.dropDown; |
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217 | }, |
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218 | |
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219 | onKeyboardSearch: function(/*dijit/_WidgetBase*/ item, /*Event*/ evt, /*String*/ searchString, /*Number*/ numMatches){ |
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220 | // summary: |
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221 | // When a key is pressed that matches a child item, |
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222 | // this method is called so that a widget can take appropriate action is necessary. |
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223 | // tags: |
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224 | // protected |
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225 | if(item){ |
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226 | this.focusChild(item); |
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227 | } |
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228 | }, |
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229 | |
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230 | _loadChildren: function(/*Boolean*/ loadMenuItems){ |
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231 | // summary: |
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232 | // Resets the menu and the length attribute of the button - and |
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233 | // ensures that the label is appropriately set. |
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234 | // loadMenuItems: Boolean |
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235 | // actually loads the child menu items - we only do this when we are |
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236 | // populating for showing the dropdown. |
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237 | |
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238 | if(loadMenuItems === true){ |
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239 | // this.inherited destroys this.dropDown's child widgets (MenuItems). |
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240 | // Avoid this.dropDown (Menu widget) having a pointer to a destroyed widget (which will cause |
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241 | // issues later in _setSelected). (see #10296) |
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242 | if(this.dropDown){ |
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243 | delete this.dropDown.focusedChild; |
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244 | this.focusedChild = null; |
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245 | } |
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246 | if(this.options.length){ |
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247 | this.inherited(arguments); |
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248 | }else{ |
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249 | // Drop down menu is blank but add one blank entry just so something appears on the screen |
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250 | // to let users know that they are no choices (mimicing native select behavior) |
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251 | array.forEach(this._getChildren(), function(child){ |
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252 | child.destroyRecursive(); |
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253 | }); |
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254 | var item = new MenuItem({ |
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255 | ownerDocument: this.ownerDocument, |
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256 | label: this.emptyLabel |
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257 | }); |
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258 | this.dropDown.addChild(item); |
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259 | } |
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260 | }else{ |
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261 | this._updateSelection(); |
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262 | } |
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263 | |
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264 | this._isLoaded = false; |
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265 | this._childrenLoaded = true; |
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266 | |
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267 | if(!this._loadingStore){ |
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268 | // Don't call this if we are loading - since we will handle it later |
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269 | this._setValueAttr(this.value, false); |
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270 | } |
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271 | }, |
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272 | |
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273 | _refreshState: function(){ |
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274 | if(this._started){ |
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275 | this.validate(this.focused); |
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276 | } |
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277 | }, |
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278 | |
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279 | startup: function(){ |
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280 | this.inherited(arguments); |
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281 | this._refreshState(); // after all _set* methods have run |
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282 | }, |
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283 | |
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284 | _setValueAttr: function(value){ |
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285 | this.inherited(arguments); |
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286 | domAttr.set(this.valueNode, "value", this.get("value")); |
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287 | this._refreshState(); // to update this.state |
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288 | }, |
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289 | |
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290 | _setNameAttr: "valueNode", |
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291 | |
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292 | _setDisabledAttr: function(/*Boolean*/ value){ |
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293 | this.inherited(arguments); |
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294 | this._refreshState(); // to update this.state |
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295 | }, |
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296 | |
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297 | _setRequiredAttr: function(/*Boolean*/ value){ |
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298 | this._set("required", value); |
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299 | this.focusNode.setAttribute("aria-required", value); |
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300 | this._refreshState(); // to update this.state |
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301 | }, |
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302 | |
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303 | _setOptionsAttr: function(/*Array*/ options){ |
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304 | this._isLoaded = false; |
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305 | this._set('options', options); |
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306 | }, |
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307 | |
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308 | _setDisplay: function(/*String*/ newDisplay){ |
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309 | // summary: |
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310 | // sets the display for the given value (or values) |
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311 | var lbl = newDisplay || this.emptyLabel; |
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312 | this.containerNode.innerHTML = '<span role="option" class="dijitReset dijitInline ' + this.baseClass.replace(/\s+|$/g, "Label ") + '">' + lbl + '</span>'; |
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313 | }, |
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314 | |
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315 | validate: function(/*Boolean*/ isFocused){ |
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316 | // summary: |
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317 | // Called by oninit, onblur, and onkeypress, and whenever required/disabled state changes |
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318 | // description: |
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319 | // Show missing or invalid messages if appropriate, and highlight textbox field. |
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320 | // Used when a select is initially set to no value and the user is required to |
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321 | // set the value. |
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322 | |
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323 | var isValid = this.disabled || this.isValid(isFocused); |
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324 | this._set("state", isValid ? "" : (this._hasBeenBlurred ? "Error" : "Incomplete")); |
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325 | this.focusNode.setAttribute("aria-invalid", isValid ? "false" : "true"); |
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326 | var message = isValid ? "" : this._missingMsg; |
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327 | if(message && this.focused && this._hasBeenBlurred){ |
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328 | Tooltip.show(message, this.domNode, this.tooltipPosition, !this.isLeftToRight()); |
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329 | }else{ |
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330 | Tooltip.hide(this.domNode); |
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331 | } |
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332 | this._set("message", message); |
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333 | return isValid; |
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334 | }, |
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335 | |
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336 | isValid: function(/*Boolean*/ /*===== isFocused =====*/){ |
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337 | // summary: |
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338 | // Whether or not this is a valid value. The only way a Select |
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339 | // can be invalid is when it's required but nothing is selected. |
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340 | return (!this.required || this.value === 0 || !(/^\s*$/.test(this.value || ""))); // handle value is null or undefined |
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341 | }, |
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342 | |
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343 | reset: function(){ |
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344 | // summary: |
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345 | // Overridden so that the state will be cleared. |
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346 | this.inherited(arguments); |
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347 | Tooltip.hide(this.domNode); |
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348 | this._refreshState(); // to update this.state |
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349 | }, |
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350 | |
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351 | postMixInProperties: function(){ |
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352 | // summary: |
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353 | // set the missing message |
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354 | this.inherited(arguments); |
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355 | this._missingMsg = i18n.getLocalization("dijit.form", "validate", this.lang).missingMessage; |
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356 | }, |
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357 | |
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358 | postCreate: function(){ |
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359 | // summary: |
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360 | // stop mousemove from selecting text on IE to be consistent with other browsers |
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361 | |
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362 | this.inherited(arguments); |
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363 | |
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364 | this.own(on(this.domNode, "selectstart", function(evt){ |
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365 | evt.preventDefault(); |
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366 | evt.stopPropagation(); |
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367 | })); |
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368 | |
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369 | this.domNode.setAttribute("aria-expanded", "false"); |
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370 | |
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371 | if(has("ie") < 9){ |
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372 | // IE INPUT tag fontFamily has to be set directly using STYLE |
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373 | // the defer gives IE a chance to render the TextBox and to deal with font inheritance |
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374 | this.defer(function(){ |
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375 | try{ |
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376 | var s = domStyle.getComputedStyle(this.domNode); // can throw an exception if widget is immediately destroyed |
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377 | if(s){ |
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378 | var ff = s.fontFamily; |
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379 | if(ff){ |
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380 | var inputs = this.domNode.getElementsByTagName("INPUT"); |
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381 | if(inputs){ |
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382 | for(var i = 0; i < inputs.length; i++){ |
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383 | inputs[i].style.fontFamily = ff; |
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384 | } |
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385 | } |
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386 | } |
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387 | } |
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388 | }catch(e){ |
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389 | // when used in a Dialog, and this is called before the dialog is |
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390 | // shown, s.fontFamily would trigger "Invalid Argument" error. |
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391 | } |
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392 | }); |
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393 | } |
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394 | }, |
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395 | |
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396 | _setStyleAttr: function(/*String||Object*/ value){ |
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397 | this.inherited(arguments); |
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398 | domClass.toggle(this.domNode, this.baseClass.replace(/\s+|$/g, "FixedWidth "), !!this.domNode.style.width); |
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399 | }, |
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400 | |
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401 | isLoaded: function(){ |
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402 | return this._isLoaded; |
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403 | }, |
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404 | |
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405 | loadDropDown: function(/*Function*/ loadCallback){ |
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406 | // summary: |
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407 | // populates the menu |
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408 | this._loadChildren(true); |
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409 | this._isLoaded = true; |
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410 | loadCallback(); |
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411 | }, |
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412 | |
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413 | destroy: function(preserveDom){ |
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414 | if(this.dropDown && !this.dropDown._destroyed){ |
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415 | this.dropDown.destroyRecursive(preserveDom); |
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416 | delete this.dropDown; |
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417 | } |
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418 | this.inherited(arguments); |
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419 | }, |
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420 | |
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421 | _onFocus: function(){ |
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422 | this.validate(true); // show tooltip if second focus of required tooltip, but no selection |
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423 | }, |
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424 | |
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425 | _onBlur: function(){ |
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426 | Tooltip.hide(this.domNode); |
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427 | this.inherited(arguments); |
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428 | this.validate(false); |
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429 | } |
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430 | }); |
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431 | |
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432 | if(has("dojo-bidi")){ |
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433 | Select = declare("dijit.form.Select", Select, { |
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434 | _setDisplay: function(/*String*/ newDisplay){ |
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435 | this.inherited(arguments); |
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436 | this.applyTextDir(this.containerNode); |
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437 | } |
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438 | }); |
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439 | } |
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440 | |
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441 | Select._Menu = _SelectMenu; // for monkey patching |
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442 | |
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443 | // generic event helper to ensure the dropdown items are loaded before the real event handler is called |
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444 | function _onEventAfterLoad(method){ |
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445 | return function(evt){ |
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446 | if(!this._isLoaded){ |
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447 | this.loadDropDown(lang.hitch(this, method, evt)); |
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448 | }else{ |
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449 | this.inherited(method, arguments); |
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450 | } |
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451 | }; |
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452 | } |
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453 | Select.prototype._onContainerKeydown = _onEventAfterLoad("_onContainerKeydown"); |
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454 | Select.prototype._onContainerKeypress = _onEventAfterLoad("_onContainerKeypress"); |
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455 | |
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456 | return Select; |
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457 | }); |
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