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<html>
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<title>The source code</title>
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<pre class="prettyprint lang-js">Ext.ns('Ext.ux.menu');
<div id="cls-Ext.ux.menu.RangeMenu"></div>/**
* @class Ext.ux.menu.RangeMenu
* @extends Ext.menu.Menu
* Custom implementation of Ext.menu.Menu that has preconfigured
* items for gt, lt, eq.
* <p><b><u>Example Usage:</u></b></p>
* <pre><code>
* </code></pre>
*/
Ext.ux.menu.RangeMenu = Ext.extend(Ext.menu.Menu, {
constructor : function (config) {
Ext.ux.menu.RangeMenu.superclass.constructor.call(this, config);
this.addEvents(
<div id="event-Ext.ux.menu.RangeMenu-update"></div>/**
* @event update
* Fires when a filter configuration has changed
* @param {Ext.ux.grid.filter.Filter} this The filter object.
*/
'update'
);
this.updateTask = new Ext.util.DelayedTask(this.fireUpdate, this);
var i, len, item, cfg, Cls;
for (i = 0, len = this.menuItems.length; i < len; i++) {
item = this.menuItems[i];
if (item !== '-') {
// defaults
cfg = {
itemId: 'range-' + item,
enableKeyEvents: true,
iconCls: this.iconCls[item] || 'no-icon',
listeners: {
scope: this,
keyup: this.onInputKeyUp
}
};
Ext.apply(
cfg,
// custom configs
Ext.applyIf(this.fields[item] || {}, this.fieldCfg[item]),
// configurable defaults
this.menuItemCfgs
);
Cls = cfg.fieldCls || this.fieldCls;
item = this.fields[item] = new Cls(cfg);
}
this.add(item);
}
},
/**
* @private
* called by this.updateTask
*/
fireUpdate : function () {
this.fireEvent('update', this);
},
<div id="method-Ext.ux.menu.RangeMenu-getValue"></div>/**
* Get and return the value of the filter.
* @return {String} The value of this filter
*/
getValue : function () {
var result = {}, key, field;
for (key in this.fields) {
field = this.fields[key];
if (field.isValid() && String(field.getValue()).length > 0) {
result[key] = field.getValue();
}
}
return result;
},
<div id="method-Ext.ux.menu.RangeMenu-setValue"></div>/**
* Set the value of this menu and fires the 'update' event.
* @param {Object} data The data to assign to this menu
*/
setValue : function (data) {
var key;
for (key in this.fields) {
this.fields[key].setValue(data[key] !== undefined ? data[key] : '');
}
this.fireEvent('update', this);
},
/**
* @private
* Handler method called when there is a keyup event on an input
* item of this menu.
*/
onInputKeyUp : function (field, e) {
var k = e.getKey();
if (k == e.RETURN && field.isValid()) {
e.stopEvent();
this.hide(true);
return;
}
if (field == this.fields.eq) {
if (this.fields.gt) {
this.fields.gt.setValue(null);
}
if (this.fields.lt) {
this.fields.lt.setValue(null);
}
}
else {
this.fields.eq.setValue(null);
}
// restart the timer
this.updateTask.delay(this.updateBuffer);
}
});
</pre>
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