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only trigger change event for real changes, first initialisation of widget is NOT considered a change

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this modification might be necessary in more widgets, because they are either not an et2_inputWidget or overwrote set_value method
This commit is contained in:
Ralf Becker 2014-01-29 18:24:57 +00:00
parent 37a39dfe87
commit 5e2d655d40
1 changed files with 12 additions and 4 deletions
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16
etemplate/js/et2_core_inputWidget.js
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@ -68,7 +68,8 @@ var et2_inputWidget = et2_valueWidget.extend([et2_IInput,et2_ISubmitListener],
init: function() {
this._super.apply(this, arguments);
this._oldValue = "";
// mark value as not initialised, so set_value can determine if it is necessary to trigger change event
this._oldValue = et2_no_init;
this._labelContainer = null;
},
@ -166,13 +167,20 @@ var et2_inputWidget = et2_valueWidget.extend([et2_IInput,et2_ISubmitListener],
}
},
set_value: function(_value) {
/**
* Set value of widget and trigger for real changes a change event
*
* First initialisation (_oldValue === et2_no_init) is NOT considered a change!
*
* @param {string} _value value to set
*/
set_value: function(_value)
{
var node = this.getInputNode();
if (node)
{
$j(node).val(_value);
if(this.isAttached())
if(this.isAttached() && this._oldValue !== et2_no_init && this._oldValue !== _value)
{
$j(node).change();
}