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- <pre class="prettyprint lang-js">/*!
- * Ext JS Library 3.3.1
- * Copyright(c) 2006-2010 Sencha Inc.
- * licensing@sencha.com
- * http://www.sencha.com/license
- */
-<div id="cls-Ext.list.ListView"></div>/**
- * @class Ext.list.ListView
- * @extends Ext.DataView
- * <p>Ext.list.ListView is a fast and light-weight implentation of a
- * {@link Ext.grid.GridPanel Grid} like view with the following characteristics:</p>
- * <div class="mdetail-params"><ul>
- * <li>resizable columns</li>
- * <li>selectable</li>
- * <li>column widths are initially proportioned by percentage based on the container
- * width and number of columns</li>
- * <li>uses templates to render the data in any required format</li>
- * <li>no horizontal scrolling</li>
- * <li>no editing</li>
- * </ul></div>
- * <p>Example usage:</p>
- * <pre><code>
-// consume JSON of this form:
-{
- "images":[
- {
- "name":"dance_fever.jpg",
- "size":2067,
- "lastmod":1236974993000,
- "url":"images\/thumbs\/dance_fever.jpg"
- },
- {
- "name":"zack_sink.jpg",
- "size":2303,
- "lastmod":1236974993000,
- "url":"images\/thumbs\/zack_sink.jpg"
- }
- ]
-}
-var store = new Ext.data.JsonStore({
- url: 'get-images.php',
- root: 'images',
- fields: [
- 'name', 'url',
- {name:'size', type: 'float'},
- {name:'lastmod', type:'date', dateFormat:'timestamp'}
- ]
-});
-store.load();
-
-var listView = new Ext.list.ListView({
- store: store,
- multiSelect: true,
- emptyText: 'No images to display',
- reserveScrollOffset: true,
- columns: [{
- header: 'File',
- width: .5,
- dataIndex: 'name'
- },{
- header: 'Last Modified',
- width: .35,
- dataIndex: 'lastmod',
- tpl: '{lastmod:date("m-d h:i a")}'
- },{
- header: 'Size',
- dataIndex: 'size',
- tpl: '{size:fileSize}', // format using Ext.util.Format.fileSize()
- align: 'right'
- }]
-});
-
-// put it in a Panel so it looks pretty
-var panel = new Ext.Panel({
- id:'images-view',
- width:425,
- height:250,
- collapsible:true,
- layout:'fit',
- title:'Simple ListView <i>(0 items selected)</i>',
- items: listView
-});
-panel.render(document.body);
-
-// little bit of feedback
-listView.on('selectionchange', function(view, nodes){
- var l = nodes.length;
- var s = l != 1 ? 's' : '';
- panel.setTitle('Simple ListView <i>('+l+' item'+s+' selected)</i>');
-});
- * </code></pre>
- * @constructor
- * @param {Object} config
- * @xtype listview
- */
-Ext.list.ListView = Ext.extend(Ext.DataView, {
- <div id="prop-Ext.list.ListView-disableHeaders"></div>/**
- * Set this property to <tt>true</tt> to disable the header click handler disabling sort
- * (defaults to <tt>false</tt>).
- * @type Boolean
- * @property disableHeaders
- */
- <div id="cfg-Ext.list.ListView-hideHeaders"></div>/**
- * @cfg {Boolean} hideHeaders
- * <tt>true</tt> to hide the {@link #internalTpl header row} (defaults to <tt>false</tt> so
- * the {@link #internalTpl header row} will be shown).
- */
- <div id="cfg-Ext.list.ListView-itemSelector"></div>/**
- * @cfg {String} itemSelector
- * Defaults to <tt>'dl'</tt> to work with the preconfigured <b><tt>{@link Ext.DataView#tpl tpl}</tt></b>.
- * This setting specifies the CSS selector (e.g. <tt>div.some-class</tt> or <tt>span:first-child</tt>)
- * that will be used to determine what nodes the ListView will be working with.
- */
- itemSelector: 'dl',
- <div id="cfg-Ext.list.ListView-selectedClass"></div>/**
- * @cfg {String} selectedClass The CSS class applied to a selected row (defaults to
- * <tt>'x-list-selected'</tt>). An example overriding the default styling:
- <pre><code>
- .x-list-selected {background-color: yellow;}
- </code></pre>
- * @type String
- */
- selectedClass:'x-list-selected',
- <div id="cfg-Ext.list.ListView-overClass"></div>/**
- * @cfg {String} overClass The CSS class applied when over a row (defaults to
- * <tt>'x-list-over'</tt>). An example overriding the default styling:
- <pre><code>
- .x-list-over {background-color: orange;}
- </code></pre>
- * @type String
- */
- overClass:'x-list-over',
- <div id="cfg-Ext.list.ListView-reserveScrollOffset"></div>/**
- * @cfg {Boolean} reserveScrollOffset
- * By default will defer accounting for the configured <b><tt>{@link #scrollOffset}</tt></b>
- * for 10 milliseconds. Specify <tt>true</tt> to account for the configured
- * <b><tt>{@link #scrollOffset}</tt></b> immediately.
- */
- <div id="cfg-Ext.list.ListView-scrollOffset"></div>/**
- * @cfg {Number} scrollOffset The amount of space to reserve for the scrollbar (defaults to
- * <tt>undefined</tt>). If an explicit value isn't specified, this will be automatically
- * calculated.
- */
- scrollOffset : undefined,
- <div id="cfg-Ext.list.ListView-columnResize"></div>/**
- * @cfg {Boolean/Object} columnResize
- * Specify <tt>true</tt> or specify a configuration object for {@link Ext.list.ListView.ColumnResizer}
- * to enable the columns to be resizable (defaults to <tt>true</tt>).
- */
- columnResize: true,
- <div id="cfg-Ext.list.ListView-columns"></div>/**
- * @cfg {Array} columns An array of column configuration objects, for example:
- * <pre><code>
-{
- align: 'right',
- dataIndex: 'size',
- header: 'Size',
- tpl: '{size:fileSize}',
- width: .35
-}
- * </code></pre>
- * Acceptable properties for each column configuration object are:
- * <div class="mdetail-params"><ul>
- * <li><b><tt>align</tt></b> : String<div class="sub-desc">Set the CSS text-align property
- * of the column. Defaults to <tt>'left'</tt>.</div></li>
- * <li><b><tt>dataIndex</tt></b> : String<div class="sub-desc">See {@link Ext.grid.Column}.
- * {@link Ext.grid.Column#dataIndex dataIndex} for details.</div></li>
- * <li><b><tt>header</tt></b> : String<div class="sub-desc">See {@link Ext.grid.Column}.
- * {@link Ext.grid.Column#header header} for details.</div></li>
- * <li><b><tt>tpl</tt></b> : String<div class="sub-desc">Specify a string to pass as the
- * configuration string for {@link Ext.XTemplate}. By default an {@link Ext.XTemplate}
- * will be implicitly created using the <tt>dataIndex</tt>.</div></li>
- * <li><b><tt>width</tt></b> : Number<div class="sub-desc">Percentage of the container width
- * this column should be allocated. Columns that have no width specified will be
- * allocated with an equal percentage to fill 100% of the container width. To easily take
- * advantage of the full container width, leave the width of at least one column undefined.
- * Note that if you do not want to take up the full width of the container, the width of
- * every column needs to be explicitly defined.</div></li>
- * </ul></div>
- */
- <div id="cfg-Ext.list.ListView-columnSort"></div>/**
- * @cfg {Boolean/Object} columnSort
- * Specify <tt>true</tt> or specify a configuration object for {@link Ext.list.ListView.Sorter}
- * to enable the columns to be sortable (defaults to <tt>true</tt>).
- */
- columnSort: true,
- <div id="cfg-Ext.list.ListView-internalTpl"></div>/**
- * @cfg {String/Array} internalTpl
- * The template to be used for the header row. See {@link #tpl} for more details.
- */
-
- /*
- * IE has issues when setting percentage based widths to 100%. Default to 99.
- */
- maxColumnWidth: Ext.isIE ? 99 : 100,
-
- initComponent : function(){
- if(this.columnResize){
- this.colResizer = new Ext.list.ColumnResizer(this.colResizer);
- this.colResizer.init(this);
- }
- if(this.columnSort){
- this.colSorter = new Ext.list.Sorter(this.columnSort);
- this.colSorter.init(this);
- }
- if(!this.internalTpl){
- this.internalTpl = new Ext.XTemplate(
- '<div class="x-list-header"><div class="x-list-header-inner">',
- '<tpl for="columns">',
- '<div style="width:{[values.width*100]}%;text-align:{align};"><em unselectable="on" id="',this.id, '-xlhd-{#}">',
- '{header}',
- '</em></div>',
- '</tpl>',
- '<div class="x-clear"></div>',
- '</div></div>',
- '<div class="x-list-body"><div class="x-list-body-inner">',
- '</div></div>'
- );
- }
- if(!this.tpl){
- this.tpl = new Ext.XTemplate(
- '<tpl for="rows">',
- '<dl>',
- '<tpl for="parent.columns">',
- '<dt style="width:{[values.width*100]}%;text-align:{align};">',
- '<em unselectable="on"<tpl if="cls"> class="{cls}</tpl>">',
- '{[values.tpl.apply(parent)]}',
- '</em></dt>',
- '</tpl>',
- '<div class="x-clear"></div>',
- '</dl>',
- '</tpl>'
- );
- };
-
- var cs = this.columns,
- allocatedWidth = 0,
- colsWithWidth = 0,
- len = cs.length,
- columns = [];
-
- for(var i = 0; i < len; i++){
- var c = cs[i];
- if(!c.isColumn) {
- c.xtype = c.xtype ? (/^lv/.test(c.xtype) ? c.xtype : 'lv' + c.xtype) : 'lvcolumn';
- c = Ext.create(c);
- }
- if(c.width) {
- allocatedWidth += c.width*100;
- if(allocatedWidth > this.maxColumnWidth){
- c.width -= (allocatedWidth - this.maxColumnWidth) / 100;
- }
- colsWithWidth++;
- }
- columns.push(c);
- }
-
- cs = this.columns = columns;
-
- // auto calculate missing column widths
- if(colsWithWidth < len){
- var remaining = len - colsWithWidth;
- if(allocatedWidth < this.maxColumnWidth){
- var perCol = ((this.maxColumnWidth-allocatedWidth) / remaining)/100;
- for(var j = 0; j < len; j++){
- var c = cs[j];
- if(!c.width){
- c.width = perCol;
- }
- }
- }
- }
- Ext.list.ListView.superclass.initComponent.call(this);
- },
-
- onRender : function(){
- this.autoEl = {
- cls: 'x-list-wrap'
- };
- Ext.list.ListView.superclass.onRender.apply(this, arguments);
-
- this.internalTpl.overwrite(this.el, {columns: this.columns});
-
- this.innerBody = Ext.get(this.el.dom.childNodes[1].firstChild);
- this.innerHd = Ext.get(this.el.dom.firstChild.firstChild);
-
- if(this.hideHeaders){
- this.el.dom.firstChild.style.display = 'none';
- }
- },
-
- getTemplateTarget : function(){
- return this.innerBody;
- },
-
- <div id="method-Ext.list.ListView-collectData"></div>/**
- * <p>Function which can be overridden which returns the data object passed to this
- * view's {@link #tpl template} to render the whole ListView. The returned object
- * shall contain the following properties:</p>
- * <div class="mdetail-params"><ul>
- * <li><b>columns</b> : String<div class="sub-desc">See <tt>{@link #columns}</tt></div></li>
- * <li><b>rows</b> : String<div class="sub-desc">See
- * <tt>{@link Ext.DataView}.{@link Ext.DataView#collectData collectData}</div></li>
- * </ul></div>
- * @param {Array} records An Array of {@link Ext.data.Record}s to be rendered into the DataView.
- * @param {Number} startIndex the index number of the Record being prepared for rendering.
- * @return {Object} A data object containing properties to be processed by a repeating
- * XTemplate as described above.
- */
- collectData : function(){
- var rs = Ext.list.ListView.superclass.collectData.apply(this, arguments);
- return {
- columns: this.columns,
- rows: rs
- };
- },
-
- verifyInternalSize : function(){
- if(this.lastSize){
- this.onResize(this.lastSize.width, this.lastSize.height);
- }
- },
-
- // private
- onResize : function(w, h){
- var body = this.innerBody.dom,
- header = this.innerHd.dom,
- scrollWidth = w - Ext.num(this.scrollOffset, Ext.getScrollBarWidth()) + 'px',
- parentNode;
-
- if(!body){
- return;
- }
- parentNode = body.parentNode;
- if(Ext.isNumber(w)){
- if(this.reserveScrollOffset || ((parentNode.offsetWidth - parentNode.clientWidth) > 10)){
- body.style.width = scrollWidth;
- header.style.width = scrollWidth;
- }else{
- body.style.width = w + 'px';
- header.style.width = w + 'px';
- setTimeout(function(){
- if((parentNode.offsetWidth - parentNode.clientWidth) > 10){
- body.style.width = scrollWidth;
- header.style.width = scrollWidth;
- }
- }, 10);
- }
- }
- if(Ext.isNumber(h)){
- parentNode.style.height = Math.max(0, h - header.parentNode.offsetHeight) + 'px';
- }
- },
-
- updateIndexes : function(){
- Ext.list.ListView.superclass.updateIndexes.apply(this, arguments);
- this.verifyInternalSize();
- },
-
- findHeaderIndex : function(header){
- header = header.dom || header;
- var parentNode = header.parentNode,
- children = parentNode.parentNode.childNodes,
- i = 0,
- c;
- for(; c = children[i]; i++){
- if(c == parentNode){
- return i;
- }
- }
- return -1;
- },
-
- setHdWidths : function(){
- var els = this.innerHd.dom.getElementsByTagName('div'),
- i = 0,
- columns = this.columns,
- len = columns.length;
-
- for(; i < len; i++){
- els[i].style.width = (columns[i].width*100) + '%';
- }
- }
-});
-
-Ext.reg('listview', Ext.list.ListView);
-
-// Backwards compatibility alias
-Ext.ListView = Ext.list.ListView;</pre>
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-</html>
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