Extjs4 comboboxtree下拉勾选树
如图
Ext.define("Ext.ux.comboboxtree", {
：
Ext.define("Ext.ux.comboboxtree", {
extend : "Ext.form.field.Picker",
requires : ["Ext.tree.Panel"],
initComponent : function() {
var self = this;
Ext.apply(self, {
fieldLabel : self.fieldLabel,
labelWidth : self.labelWidth
});
self.callParent();
},
createPicker : function() {
var self = this;
var store = Ext.create('Ext.data.TreeStore', {
proxy : {
type : 'ajax',
url : self.storeUrl
},
sorters : [{
property : 'leaf',
direction : 'ASC'
}, {
property : 'text',
direction : 'ASC'
}],
root : {
id : self.rootId,
text : self.rootText
},
nodeParameter : self.treeNodeParameter
});
self.picker = new Ext.tree.Panel({
height : 300,
autoScroll : true,
floating : true,
focusOnToFront : false,
shadow : true,
ownerCt : this.ownerCt,
useArrows : true,
store : store,
rootVisible : false
});
self.picker.on({
checkchange : function() {
var records = self.picker.getView().getChecked(), names = [], values = [];
Ext.Array.each(records, function(rec) {
names.push(rec.get('text'));
values.push(rec.get('id'));
});
self.setRawValue(values.join(';'));// 隐藏值
self.setValue(names.join(';'));// 显示值
}
});
return self.picker;
},
alignPicker : function() {
var me = this, picker, isAbove, aboveSfx = '-above';
if (this.isExpanded) {
picker = me.getPicker();
if (me.matchFieldWidth) {
picker.setWidth(me.bodyEl.getWidth());
}
if (picker.isFloating()) {
picker.alignTo(me.inputEl, "", me.pickerOffset);// ""->tl
isAbove = picker.el.getY() < me.inputEl.getY();
me.bodyEl[isAbove ? 'addCls' : 'removeCls'](me.openCls
+ aboveSfx);
picker.el[isAbove ? 'addCls' : 'removeCls'](picker.baseCls
+ aboveSfx);
}
}
}
});
Ext.onReady(function() {
var com =Ext.create("Ext.ux.comboboxtree", {
id:'name',
name:'name',
hiddenName:'hiddenName',
storeUrl : Resource.regionNodesUrl,
width : 270,
fieldLabel : '行政区划',
labelWidth : 60,
rootId : '44000000000000',
rootText : '广东省',
treeNodeParameter : 'code',
renderTo : 'tree-div'
});
});