/*
This file is part of Ext JS 3.4

Copyright (c) 2011-2013 Sencha Inc

Contact:  http://www.sencha.com/contact

GNU General Public License Usage
This file may be used under the terms of the GNU General Public License version 3.0 as
published by the Free Software Foundation and appearing in the file LICENSE included in the
packaging of this file.

Please review the following information to ensure the GNU General Public License version 3.0
requirements will be met: http://www.gnu.org/copyleft/gpl.html.

If you are unsure which license is appropriate for your use, please contact the sales department
at http://www.sencha.com/contact.

Build date: 2013-04-03 15:07:25
*/
Ext.onReady(function(){

    // create the Data Store
    var store = new Ext.data.JsonStore({
        root: 'topics',
        totalProperty: 'totalCount',
        idProperty: 'threadid',
        remoteSort: true,

        fields: [
            'title', 'forumtitle', 'forumid', 'author',
            {name: 'replycount', type: 'int'},
            {name: 'lastpost', mapping: 'lastpost', type: 'date', dateFormat: 'timestamp'},
            'lastposter', 'excerpt'
        ],

        // 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'
        })
    });
    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']);
    }

    var grid = new Ext.grid.GridPanel({
        width:700,
        height:500,
        title:'ExtJS.com - Browse Forums',
        store: store,
        trackMouseOver:false,
        disableSelection:true,
        loadMask: true,

        // grid columns
        columns:[{
            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,
            sortable: true
        },{
            header: "Author",
            dataIndex: 'author',
            width: 100,
            hidden: true,
            sortable: true
        },{
            header: "Replies",
            dataIndex: 'replycount',
            width: 70,
            align: 'right',
            sortable: true
        },{
            id: 'last',
            header: "Last Post",
            dataIndex: 'lastpost',
            width: 150,
            renderer: renderLast,
            sortable: true
        }],

        // customize view config
        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';
            }
        },

        // paging bar on the bottom
        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: function(btn, pressed){
                    var view = grid.getView();
                    view.showPreview = pressed;
                    view.refresh();
                }
            }]
        })
    });

    // render it
    grid.render('topic-grid');

    // trigger the data store load
    store.load({params:{start:0, limit:25}});
});