77 rader
2,5 KiB
JavaScript
77 rader
2,5 KiB
JavaScript
define("dijit/form/_CheckBoxMixin", [
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"dojo/_base/declare", // declare
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"dojo/dom-attr", // domAttr.set
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"dojo/_base/event" // event.stop
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], function(declare, domAttr, event){
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// module:
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// dijit/form/_CheckBoxMixin
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return declare("dijit.form._CheckBoxMixin", null, {
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// summary:
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// Mixin to provide widget functionality corresponding to an HTML checkbox
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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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// 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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value: "on",
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// readOnly: Boolean
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// Should this widget respond to user input?
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// In markup, this is specified as "readOnly".
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// Similar to disabled except readOnly form values are submitted.
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readOnly: false,
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// aria-pressed for toggle buttons, and aria-checked for checkboxes
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_aria_attr: "aria-checked",
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_setReadOnlyAttr: function(/*Boolean*/ value){
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this._set("readOnly", value);
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domAttr.set(this.focusNode, 'readOnly', value);
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},
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// Override dijit/form/Button._setLabelAttr() since we don't even have a containerNode.
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// Normally users won't try to set label, except when CheckBox or RadioButton is the child of a dojox/layout/TabContainer
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_setLabelAttr: undefined,
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_getSubmitValue: function(/*String*/ value){
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return !value && value !== 0 ? "on" : value;
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},
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_setValueAttr: function(newValue){
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newValue = this._getSubmitValue(newValue); // "on" to match browser native behavior when value unspecified
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this._set("value", newValue);
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domAttr.set(this.focusNode, "value", newValue);
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},
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reset: function(){
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this.inherited(arguments);
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// Handle unlikely event that the <input type=checkbox> value attribute has changed
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this._set("value", this.params.value || "on");
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domAttr.set(this.focusNode, 'value', this.value);
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},
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_onClick: function(/*Event*/ e){
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// summary:
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// Internal function to handle click actions - need to check
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// readOnly, since button no longer does that check.
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if(this.readOnly){
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event.stop(e);
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return false;
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}
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return this.inherited(arguments);
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}
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});
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});
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