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