97 lines
3.3 KiB
JavaScript
97 lines
3.3 KiB
JavaScript
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//>>built
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define("dijit/form/_FormValueMixin", [
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"dojo/_base/declare", // declare
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"dojo/dom-attr", // domAttr.set
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"dojo/keys", // keys.ESCAPE
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"dojo/_base/sniff", // has("ie"), has("quirks")
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"./_FormWidgetMixin"
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], function(declare, domAttr, keys, has, _FormWidgetMixin){
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/*=====
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var _FormWidgetMixin = dijit.form._FormWidgetMixin;
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=====*/
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// module:
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// dijit/form/_FormValueMixin
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// summary:
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// Mixin for widgets corresponding to native HTML elements such as <input> or <select> that have user changeable values.
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return declare("dijit.form._FormValueMixin", _FormWidgetMixin, {
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// summary:
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// Mixin for widgets corresponding to native HTML elements such as <input> or <select> that have user changeable values.
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// description:
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// Each _FormValueMixin represents a single input value, and has a (possibly hidden) <input> element,
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// to which it serializes it's input value, so that form submission (either normal submission or via FormBind?)
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// works as expected.
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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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_setReadOnlyAttr: function(/*Boolean*/ value){
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domAttr.set(this.focusNode, 'readOnly', value);
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this.focusNode.setAttribute("aria-readonly", value);
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this._set("readOnly", value);
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},
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postCreate: function(){
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this.inherited(arguments);
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if(has("ie")){ // IE won't stop the event with keypress
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this.connect(this.focusNode || this.domNode, "onkeydown", this._onKeyDown);
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}
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// Update our reset value if it hasn't yet been set (because this.set()
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// is only called when there *is* a value)
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if(this._resetValue === undefined){
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this._lastValueReported = this._resetValue = this.value;
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}
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},
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_setValueAttr: function(/*anything*/ newValue, /*Boolean?*/ priorityChange){
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// summary:
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// Hook so set('value', value) works.
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// description:
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// Sets the value of the widget.
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// If the value has changed, then fire onChange event, unless priorityChange
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// is specified as null (or false?)
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this._handleOnChange(newValue, priorityChange);
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},
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_handleOnChange: function(/*anything*/ newValue, /*Boolean?*/ priorityChange){
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// summary:
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// Called when the value of the widget has changed. Saves the new value in this.value,
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// and calls onChange() if appropriate. See _FormWidget._handleOnChange() for details.
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this._set("value", newValue);
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this.inherited(arguments);
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},
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undo: function(){
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// summary:
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// Restore the value to the last value passed to onChange
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this._setValueAttr(this._lastValueReported, false);
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},
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reset: function(){
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// summary:
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// Reset the widget's value to what it was at initialization time
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this._hasBeenBlurred = false;
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this._setValueAttr(this._resetValue, true);
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},
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_onKeyDown: function(e){
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if(e.keyCode == keys.ESCAPE && !(e.ctrlKey || e.altKey || e.metaKey)){
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var te;
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if(has("ie") < 9 || (has("ie") && has("quirks"))){
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e.preventDefault(); // default behavior needs to be stopped here since keypress is too late
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te = document.createEventObject();
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te.keyCode = keys.ESCAPE;
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te.shiftKey = e.shiftKey;
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e.srcElement.fireEvent('onkeypress', te);
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}
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}
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}
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});
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});
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