www.gusucode.com > 一个基于extjs的强大聊天插件源码程序 > 一个基于extjs的强大聊天插件/extjame/ext-jame/js/ext2/examples/grid/paging.js
/* * Ext JS Library 2.0.2 * Copyright(c) 2006-2008, Ext JS, LLC. * licensing@extjs.com * * http://extjs.com/license */ Ext.onReady(function(){ // create the Data Store var store = new Ext.data.Store({ // load using script tags for cross domain, if the data in on the same domain as // this page, an HttpProxy would be better proxy: new Ext.data.ScriptTagProxy({ url: 'http://extjs.com/forum/topics-browse-remote.php' }), // create reader that reads the Topic records reader: new Ext.data.JsonReader({ root: 'topics', totalProperty: 'totalCount', id: 'threadid', fields: [ 'title', 'forumtitle', 'forumid', 'author', {name: 'replycount', type: 'int'}, {name: 'lastpost', mapping: 'lastpost', type: 'date', dateFormat: 'timestamp'}, 'lastposter', 'excerpt' ] }), // turn on remote sorting remoteSort: true }); store.setDefaultSort('lastpost', 'desc'); // pluggable renders function renderTopic(value, p, record){ return String.format( '<b><a href="http://extjs.com/forum/showthread.php?t={2}" target="_blank">{0}</a></b><a href="http://extjs.com/forum/forumdisplay.php?f={3}" target="_blank">{1} Forum</a>', value, record.data.forumtitle, record.id, record.data.forumid); } function renderLast(value, p, r){ return String.format('{0}<br/>by {1}', value.dateFormat('M j, Y, g:i a'), r.data['lastposter']); } // the column model has information about grid columns // dataIndex maps the column to the specific data field in // the data store var cm = new Ext.grid.ColumnModel([{ id: 'topic', // id assigned so we can apply custom css (e.g. .x-grid-col-topic b { color:#333 }) header: "Topic", dataIndex: 'title', width: 420, renderer: renderTopic },{ header: "Author", dataIndex: 'author', width: 100, hidden: true },{ header: "Replies", dataIndex: 'replycount', width: 70, align: 'right' },{ id: 'last', header: "Last Post", dataIndex: 'lastpost', width: 150, renderer: renderLast }]); // by default columns are sortable cm.defaultSortable = true; var grid = new Ext.grid.GridPanel({ el:'topic-grid', width:700, height:500, title:'ExtJS.com - Browse Forums', store: store, cm: cm, trackMouseOver:false, sm: new Ext.grid.RowSelectionModel({selectRow:Ext.emptyFn}), loadMask: true, viewConfig: { forceFit:true, enableRowBody:true, showPreview:true, getRowClass : function(record, rowIndex, p, store){ if(this.showPreview){ p.body = '<p>'+record.data.excerpt+'</p>'; return 'x-grid3-row-expanded'; } return 'x-grid3-row-collapsed'; } }, bbar: new Ext.PagingToolbar({ pageSize: 25, store: store, displayInfo: true, displayMsg: 'Displaying topics {0} - {1} of {2}', emptyMsg: "No topics to display", items:[ '-', { pressed: true, enableToggle:true, text: 'Show Preview', cls: 'x-btn-text-icon details', toggleHandler: toggleDetails }] }) }); // render it grid.render(); // trigger the data store load store.load({params:{start:0, limit:25}}); function toggleDetails(btn, pressed){ var view = grid.getView(); view.showPreview = pressed; view.refresh(); } });