158 lines
4.7 KiB
JavaScript
158 lines
4.7 KiB
JavaScript
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dojo.provide("dijit.form.CheckBox");
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dojo.require("dijit.form.Button");
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dojo.declare(
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"dijit.form.CheckBox",
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dijit.form.ToggleButton,
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{
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// summary:
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// Same as an HTML checkbox, but with fancy styling.
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//
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// description:
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// User interacts with real html inputs.
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// On onclick (which occurs by mouse click, space-bar, or
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// using the arrow keys to switch the selected radio button),
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// we update the state of the checkbox/radio.
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//
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// There are two modes:
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// 1. High contrast mode
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// 2. Normal mode
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// In case 1, the regular html inputs are shown and used by the user.
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// In case 2, the regular html inputs are invisible but still used by
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// the user. They are turned quasi-invisible and overlay the background-image.
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templatePath: dojo.moduleUrl("dijit.form", "templates/CheckBox.html"),
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baseClass: "dijitCheckBox",
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// type: [private] String
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// type attribute on <input> node.
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// Overrides `dijit.form.Button.type`. Users should not change this value.
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type: "checkbox",
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// value: String
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// As an initialization parameter, equivalent to value field on normal checkbox
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// (if checked, the value is passed as the value when form is submitted).
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//
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// However, attr('value') will return either the string or false depending on
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// whether or not the checkbox is checked.
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//
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// attr('value', string) will check the checkbox and change the value to the
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// specified string
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//
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// attr('value', boolean) will change the checked state.
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value: "on",
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_setValueAttr: function(/*String or Boolean*/ newValue){
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// summary:
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// Handler for value= attribute to constructor, and also calls to
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// attr('value', val).
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// description:
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// During initialization, just saves as attribute to the <input type=checkbox>.
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//
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// After initialization,
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// when passed a boolean, controls whether or not the CheckBox is checked.
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// If passed a string, changes the value attribute of the CheckBox (the one
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// specified as "value" when the CheckBox was constructed (ex: <input
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// dojoType="dijit.CheckBox" value="chicken">)
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if(typeof newValue == "string"){
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this.value = newValue;
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dojo.attr(this.focusNode, 'value', newValue);
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newValue = true;
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}
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if(this._created){
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this.attr('checked', newValue);
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}
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},
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_getValueAttr: function(){
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// summary:
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// Hook so attr('value') works.
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// description:
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// If the CheckBox is checked, returns the value attribute.
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// Otherwise returns false.
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return (this.checked ? this.value : false);
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},
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postMixInProperties: function(){
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if(this.value == ""){
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this.value = "on";
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}
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// Need to set initial checked state as part of template, so that form submit works.
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// dojo.attr(node, "checked", bool) doesn't work on IEuntil node has been attached
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// to <body>, see #8666
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this.checkedAttrSetting = this.checked ? "checked" : "";
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this.inherited(arguments);
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},
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_fillContent: function(/*DomNode*/ source){
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// Override Button::_fillContent() since it doesn't make sense for CheckBox,
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// since CheckBox doesn't even have a container
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},
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reset: function(){
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// Override ToggleButton.reset()
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this._hasBeenBlurred = false;
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this.attr('checked', this.params.checked || false);
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// Handle unlikely event that the <input type=checkbox> value attribute has changed
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this.value = this.params.value || "on";
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dojo.attr(this.focusNode, 'value', this.value);
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},
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_onFocus: function(){
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if(this.id){
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dojo.query("label[for='"+this.id+"']").addClass("dijitFocusedLabel");
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}
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},
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_onBlur: function(){
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if(this.id){
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dojo.query("label[for='"+this.id+"']").removeClass("dijitFocusedLabel");
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}
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}
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}
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);
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dojo.declare(
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"dijit.form.RadioButton",
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dijit.form.CheckBox,
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{
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// summary:
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// Same as an HTML radio, but with fancy styling.
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type: "radio",
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baseClass: "dijitRadio",
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_setCheckedAttr: function(/*Boolean*/ value){
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// If I am being checked then have to deselect currently checked radio button
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this.inherited(arguments);
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if(!this._created){ return; }
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if(value){
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var _this = this;
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// search for radio buttons with the same name that need to be unchecked
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dojo.query("INPUT[type=radio]", this.focusNode.form||dojo.doc).forEach( // can't use name= since dojo.query doesn't support [] in the name
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function(inputNode){
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if(inputNode.name == _this.name && inputNode != _this.focusNode && inputNode.form == _this.focusNode.form){
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var widget = dijit.getEnclosingWidget(inputNode);
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if(widget && widget.checked){
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widget.attr('checked', false);
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}
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}
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}
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);
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}
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},
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_clicked: function(/*Event*/ e){
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if(!this.checked){
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this.attr('checked', true);
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}
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}
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}
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);
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