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在下面的ExtJS 4.2.2代码中,您可以在“搜索”和“显示标签”控件上重复点击,标签“here is文字“将切换可见/隐藏。为什么在点击ExtJS 4.2.2文本输入框时点击事件不会再次触发
但是,如果您在搜索文本输入字段中单击,则只有在您第一次单击时才会隐藏该标签。如果您再点击“显示标签”再次显示标签,然后再次点击搜索文本输入框,如果标签没有隐藏。
Ext.define('MyToolbar', {
extend: 'Ext.grid.feature.Feature',
alias: 'feature.myToolbar',
requires: ['Ext.grid.feature.Feature'],
width: 160,
init: function() {
if (this.grid.rendered)
this.onRender();
else{
this.grid.on('render', this.onRender, this);
}
},
onRender: function() {
var panel = this.toolbarContainer || this.grid;
var tb = panel.getDockedItems('toolbar[dock="top"]');
if (tb.length > 0)
tb = tb[0];
else {
tb = Ext.create('Ext.toolbar.Toolbar', {dock: 'top'});
panel.addDocked(tb);
}
this.createSearchBox(tb);
},
createSearchBox: function (tb) {
tb.add({
text: 'Search',
menu: Ext.create('Ext.menu.Menu'),
listeners: {
click: function(comp) {
MyApp.app.fireEvent('onGridToolbarControlClicked', comp);
}
}
});
this.field = Ext.create('Ext.form.field.Trigger', {
width: this.width,
triggerCls: 'x-form-clear-trigger',
onTriggerClick: Ext.bind(this.onTriggerClear, this)
});
this.field.on('render', function (searchField) {
this.field.inputEl.on('click', function() {
MyApp.app.fireEvent('onGridToolbarControlClicked', searchField);
}, this, {single: true});
}, this, {single: true});
tb.add(this.field);
}
});
Ext.define('MyPage', {
extend: 'Ext.container.Container',
alias: 'widget.myPage',
flex: 1,
initComponent: function() {
var me = this;
Ext.applyIf(me, {
items: [{
xtype: 'container',
layout: {
type: 'vbox',
align: 'middle'
},
items: [{
xtype: 'button',
text: 'Show Label',
handler: function(comp) {
comp.up('myPage').down('label').setVisible(true);
}
},{
xtype: 'label',
itemId: 'testLbl',
text: 'here is the text'
},{
xtype: 'gridpanel',
width: 250,
height: 150,
store: Ext.create('Ext.data.Store', {
fields: ['name'],
data: [
{name: 'one'},
{name: 'two'},
{name: 'three'}
]
}),
columns: [{
text: 'Text',
flex: 1,
dataIndex: 'name'
}],
features: [{
ftype: 'myToolbar'
}]
}]
}]
});
me.callParent(arguments);
MyApp.app.on({onGridToolbarControlClicked: function(comp) {
if('function' == typeof comp.up && !Ext.isEmpty(comp.up('myPage')) &&
'function' == typeof comp.up('myPage').down &&
!Ext.isEmpty(comp.up('myPage').down('label'))) {
comp.up('myPage').down('label').setVisible(false);
}
}});
}
});
Ext.onReady(function() {
Ext.application({
name: 'MyApp',
launch: function() {
Ext.create('Ext.container.Viewport', {
renderTo: Ext.getBody(),
width: 700,
height: 500,
layout: 'fit',
items: [{
xtype: 'myPage'
}]
});
}
});
});
这很可能是因为你已经配置了单个听众:true – existdissolve 2014-10-03 18:52:46
就是这样。非常感谢! – 2014-10-06 19:34:52