Checkable.js
资源名称:ext-3.0.0.zip [点击查看]
上传用户:shuoshiled
上传日期:2018-01-28
资源大小:10124k
文件大小:5k
源码类别:
中间件编程
开发平台:
JavaScript
- /*!
- * Ext JS Library 3.0.0
- * Copyright(c) 2006-2009 Ext JS, LLC
- * licensing@extjs.com
- * http://www.extjs.com/license
- */
- Ext.ns('Ext.ux.MultiCombo');
- /**
- * Checkable
- * @plugin
- */
- Ext.ux.MultiCombo.Checkable = function(cfg) {
- Ext.apply(this, cfg);
- };
- Ext.ux.MultiCombo.Checkable.prototype = {
- /**
- * @cfg {String} checkSelector DomQuery config for locating checkbox
- */
- checkSelector: 'input[type=checkbox]',
- /**
- * @cfg {String} itemSelector The itemSelector used with Combo's internal DataView [x-combo-list]
- */
- itemSelector : 'x-combo-list',
- /**
- * @cfg {String} cls
- */
- cls: 'combo-checkable',
- /**
- * @cfg {String} selectAllText The "SELECT ALL" phrase [Select All]
- */
- selectAllText: 'Select All',
- /**
- * @cfg {String} clearAllText the text to display for "clear all" link
- */
- clearAllText : 'clear all',
- /**
- * @cfg {String} separatorHtml arbitrary html rendered after Checkable controls. Can be used to add an
- * html separator markup.
- */
- separatorHtml : '',
- // private {Boolean} checked
- checked : null,
- init : function(combo) {
- this.combo = combo;
- var checkable = this;
- var id = Ext.id();
- var cls = combo.itemSelector || this.itemSelector;
- if (!combo.tpl) {
- combo.tpl =['<tpl for=".">','<div class="'+cls+'-item">{'+combo.displayField+'}</div>','</tpl>'] . join('');
- }
- combo.tpl = [
- '<div class="plugin ' + this.cls + '">',
- '<span class="' + this.cls + '-select-all">',
- '<input id="'+id+'" type="checkbox" /> <label>'+this.selectAllText+'</label>',
- '</span>',
- ' <span class="'+this.cls+'-clear-all">(<a href="#">' + this.clearAllText + '</a>)</span>',
- '</div>',
- this.separatorHtml
- ].join('') + combo.tpl.replace(new RegExp('({'+combo.displayField+'})'), "<input type="checkbox" <tpl if="values._checked">checked</tpl> /> <label>$1</label>");
- combo.on('initview', function(c, dv) {
- dv.on('containerclick', this.onContainerClick.createDelegate(this));
- dv.on('selectionchange', this.onSelectionChange.createDelegate(this));
- dv.el.on('mouseover', this.onViewOver, this);
- },this);
- combo.on('select', this.onSelect.createDelegate(this));
- },
- onViewOver : function(ev, node){
- var target = ev.getTarget('.' + this.cls, 5);
- if (target) {
- this.combo.clearHighlight();
- Ext.fly(target).addClass(this.combo.highlightClass);
- }
- if(this.inKeyMode){ // prevent key nav and mouse over conflicts
- return;
- }
- return;
- },
- onSelect : function(rec, index) {
- // anything?
- },
- /**
- * getCheckbox
- * @return {DomNode}
- */
- getCheckbox : function() {
- return this.combo.view.el.child('.'+this.cls+' '+this.checkSelector, true);
- },
- /**
- * onSelectChange Fired by MultiCombo
- * @param {Object} dv
- * @param {Object} rs
- */
- onSelectionChange : function(dv, rs) {
- this.checked = (rs.length > 0 && rs.length == this.combo.store.getCount()) ? true : false;
- this.getCheckbox().checked = this.checked;
- var selector = this.checkSelector;
- setTimeout(function() {
- dv.el.select(dv.itemSelector + ' ' + selector).each(function(f) {
- f.dom.checked = false;
- });
- dv.el.select('.' + dv.selectedClass + ' ' + selector).each(function(f) {
- f.dom.checked = true;
- });
- },1);
- },
- /**
- * selectNext Called by MultiCombo. use this to apply hover-class to this row.
- * @param {Object} sender
- */
- selectNext: function(sender) {
- sender.view.el.child('.' + this.cls).addClass(sender.highlightClass);
- },
- /**
- * selectPrev Called by MultiCombo, use this to apply hover class to row.
- * @param {Object} sender
- */
- selectPrev : function(sender) {
- sender.view.el.child('.' + this.cls).addClass(sender.highlightClass);
- },
- /**
- * onEnter Called by MultiCombo
- * @param {Object} sender
- */
- onEnter : function(sender) {
- this.setChecked(!this.checked);
- },
- /**
- * onContainerClick Fired by MultiCombo
- * @param {Object} dv
- * @param {Object} ev
- */
- onContainerClick : function(dv, ev) {
- var btnClearAll = ev.getTarget('.'+this.cls+'-clear-all');
- if (btnClearAll) {
- this.clearAll();
- }
- else {
- this.setChecked(!this.checked);
- }
- return false;
- },
- // private selectAll
- selectAll : function() {
- var value = [];
- this.combo.store.each(function(r) { value.push(r.data[this.combo.valueField]); },this);
- this.combo.setValue(value);
- this.combo.selectByValue(this.combo.getValue());
- this.combo.focus();
- },
- // private clearAll
- clearAll : function() {
- this.combo.updateValue([]);
- this.combo.selectByValue([]);
- this.combo.view.clearSelections();
- this.combo.focus();
- this.combo.fireEvent('clearall', this.combo);
- },
- /**
- * setChecked
- * @param {Object} v
- */
- setChecked : function(v) {
- if (v == this.checked) {
- return;
- }
- this.checked = v;
- this.getCheckbox().checked = this.checked;
- if (this.checked == true) {
- this.selectAll();
- }
- else {
- this.clearAll();
- }
- }
- }