/*
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
*/
var Forum = {};

//////////////////////////////////////////////////////////////////////////////////////////////
// The data store for topics
Forum.TopicStore = function(){
    Forum.TopicStore.superclass.constructor.call(this, {
        remoteSort: true,

        proxy: new Ext.data.ScriptTagProxy({
            url: 'http://extjs.com/forum/topics-browse-remote.php'
        }),

        reader: new Ext.data.JsonReader({
            root: 'topics',
            totalProperty: 'totalCount',
            id: 'threadid'
        }, [
            'title', 'forumtitle', 'forumid', 'author',
            {name: 'replycount', type: 'int'},
            {name: 'lastpost', mapping: 'lastpost', type: 'date', dateFormat: 'timestamp'},
            'lastposter', 'excerpt'
        ])
    });

    this.setDefaultSort('lastpost', 'desc');
};
Ext.extend(Forum.TopicStore, Ext.data.Store, {
    loadForum : function(forumId){
        this.baseParams = {
            forumId: forumId
        };
        this.load({
            params: {
                start:0,
                limit:25
            }
        });
    }
});

//////////////////////////////////////////////////////////////////////////////////////////////

// some renderers
Forum.Renderers = {
    topic : function(value, p, record){
        return String.format(
                '<div class="topic"><b>{0}</b><span class="author">{1}</span></div>',
                value, record.data.author, record.id, record.data.forumid);
    },

    lastPost : function(value, p, r){
        return String.format('<span class="post-date">{0}</span><br/>by {1}', value.dateFormat('M j, Y, g:i a'), r.data['lastposter']);
    }
};

//////////////////////////////////////////////////////////////////////////////////////////////

Forum.SearchView = function(search){

    this.preview = new Ext.Panel({
        region:'south',
        height:250,
        title:'View Message',
        split:true
    });

    this.store = new Ext.data.Store({
        remoteSort: true,
        proxy: new Ext.data.ScriptTagProxy({
            url: 'http://extjs.com/forum/topics-browse-remote.php'
        }),
        reader: new Ext.data.JsonReader({
            root: 'topics',
            totalProperty: 'totalCount',
            id: 'post_id'
        }, [
            {name: 'postId', mapping: 'post_id'},
            {name: 'title', mapping: 'topic_title'},
            {name: 'topicId', mapping: 'topic_id'},
            {name: 'author', mapping: 'author'},
            {name: 'lastPost', mapping: 'post_time', type: 'date', dateFormat: 'timestamp'},
            {name: 'excerpt', mapping: 'post_text'}
        ])
    });
    this.store.setDefaultSort('lastpost', 'desc');


    this.grid = new Ext.grid.GridPanel({
        region:'center',

        store: this.store,

        cm: new Ext.grid.ColumnModel([{
           id: 'topic',
           header: "Post Title",
           dataIndex: 'title',
           width: 420,
           renderer: Forum.Renderers.topic
        },{
           id: 'last',
           header: "Date Posted",
           dataIndex: 'lastpost',
           width: 150,
           renderer: Ext.util.Format.dateRenderer('M j, Y, g:i a')
        }]),

        sm: new Ext.grid.RowSelectionModel({
            singleSelect:true
        }),

        trackMouseOver:false,

        loadMask: {msg:'Searching...'},

        viewConfig: {
            forceFit:true,
            enableRowBody:true,
            showPreview:true,
            getRowClass : function(record, rowIndex, p, ds){
                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: ds,
            displayInfo: true,
            displayMsg: 'Displaying results {0} - {1} of {2}',
            emptyMsg: "No results to display"
        })
    });

    Forum.SearchView.superclass.constructor.call(this, {
        layout:'border',
        title:'Search: '+Ext.util.Format.htmlEncode('"'+search+'"'),
        items:[ this.grid, this.preview ]
     });

    this.store.baseParams = {
        query: search
    };

    this.store.load({params:{start:0, limit: 25}});
};

Ext.extend(Forum.SearchView, Ext.Panel);



Ext.onReady(function(){

    Ext.QuickTips.init();

    var ds = new Forum.TopicStore();

    var cm = new Ext.grid.ColumnModel([{
           id: 'topic',
           header: "Topic",
           dataIndex: 'title',
           width: 420,
           renderer: Forum.Renderers.topic
        },{
           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: Forum.Renderers.lastPost
        }]);

    cm.defaultSortable = true;

    var viewport = new Ext.Viewport({
        layout:'border',
        items:[
            new Ext.BoxComponent({ // raw
                region:'north',
                el: 'header',
                height:32
            }),
            new Ext.tree.TreePanel({
                id:'forum-tree',
                region:'west',
                title:'Forums',
                split:true,
                width: 325,
                minSize: 175,
                maxSize: 400,
                collapsible: true,
                margins:'0 0 5 5',
                loader: new Forum.TreeLoader(),
                rootVisible:false,
                lines:false,
                autoScroll:true,
                root: new Ext.tree.AsyncTreeNode({
                          text: 'Forums',
                          expanded:true
                      })
            }),
            new Ext.TabPanel({
                id:'main-tabs',
                activeTab:0,
                region:'center',
                margins:'0 5 5 0',
                resizeTabs:true,
                tabWidth:150,
                items: {
                    id:'main-view',
                    layout:'border',
                    title:'Loading...',
                    items:[
                        new Ext.grid.GridPanel({
                            region:'center',
                            id:'topic-grid',
                            store: ds,
                            cm: cm,
                            sm:new Ext.grid.RowSelectionModel({
                                singleSelect:true,
                                listeners: {
                                    selectionchange: function(sel){
                                        var rec = sel.getSelected();
                                        if(rec){
                                            Ext.getCmp('preview').body.update('<b><u>' + rec.get('title') + '</u></b><br /><br />Post details here.');
                                        }
                                    }
                                }
                            }),
                            trackMouseOver:false,
                            loadMask: {msg:'Loading Topics...'},
                            viewConfig: {
                                forceFit:true,
                                enableRowBody:true,
                                showPreview:true,
                                getRowClass : function(record, rowIndex, p, ds){
                                    if(this.showPreview){
                                        p.body = '<p>'+record.data.excerpt+'</p>';
                                        return 'x-grid3-row-expanded';
                                    }
                                    return 'x-grid3-row-collapsed';
                                }
                            },
                            tbar:[
                                {
                                    text:'New Topic',
                                    iconCls: 'new-topic',
                                    handler:function(){alert('Not implemented.');}
                                },
                                '-',
                                {
                                    pressed: true,
                                    enableToggle:true,
                                    text:'Preview Pane',
                                    tooltip: {title:'Preview Pane',text:'Show or hide the Preview Pane'},
                                    iconCls: 'preview',
                                    toggleHandler: togglePreview
                                },
                                ' ',
                                {
                                    pressed: true,
                                    enableToggle:true,
                                    text:'Summary',
                                    tooltip: {title:'Post Summary',text:'View a short summary of each post in the list'},
                                    iconCls: 'summary',
                                    toggleHandler: toggleDetails
                                }
                            ],
                            bbar: new Ext.PagingToolbar({
                                pageSize: 25,
                                store: ds,
                                displayInfo: true,
                                displayMsg: 'Displaying topics {0} - {1} of {2}',
                                emptyMsg: "No topics to display"
                            })
                        }), {
                            id:'preview',
                            region:'south',
                            height:250,
                            title:'View Topic',
                            split:true,
                            bodyStyle: 'padding: 10px; font-family: Arial; font-size: 12px;'
                        }
                     ]
                 }
              })
         ]
    });

    var tree = Ext.getCmp('forum-tree');
    tree.on('append', function(tree, p, node){
       if(node.id == 40){
           node.select.defer(100, node);
       }
    });
    var sm = tree.getSelectionModel();
    sm.on('beforeselect', function(sm, node){
         return node.isLeaf();
    });
    sm.on('selectionchange', function(sm, node){
        ds.loadForum(node.id);
        Ext.getCmp('main-view').setTitle(node.text);
    });


     var searchStore = new Ext.data.Store({
        proxy: new Ext.data.ScriptTagProxy({
            url: 'http://extjs.com/forum/topics-browse-remote.php'
        }),
        reader: new Ext.data.JsonReader({
            root: 'topics',
            totalProperty: 'totalCount',
            id: 'threadid'
        }, [
            'title', 'author',
            {name: 'lastpost', type: 'date', dateFormat: 'timestamp'}
        ])
    });

    // Custom rendering Template
    var resultTpl = new Ext.XTemplate(
        '<tpl for=".">',
            '<div class="x-combo-list-item search-item">{title} by <b>{author}</b></div>',
        '</tpl>'
    );

    var search = new Ext.form.ComboBox({
        store: searchStore,
        applyTo: 'search',
        displayField:'title',
        typeAhead: false,
        loadingText: 'Searching...',
        width: 200,
        pageSize:10,
        listWidth:550,
        hideTrigger:true,
        tpl: resultTpl,
        minChars:3,
        emptyText:'Quick Search',
        onSelect: function(record){ // override default onSelect to do redirect
            window.location =
                String.format('http://extjs.com/forum/showthread.php?t={0}&p={1}', record.data.topicId, record.id);
        }
    });
    // apply it to the exsting input element
    //search.applyTo('search');



    function toggleDetails(btn, pressed){
        var view = Ext.getCmp('topic-grid').getView();
        view.showPreview = pressed;
        view.refresh();
    }

    function togglePreview(btn, pressed){
        var preview = Ext.getCmp('preview');
        preview[pressed ? 'show' : 'hide']();
        preview.ownerCt.doLayout();
    }
});

Forum.TreeLoader = function(){
    Forum.TreeLoader.superclass.constructor.call(this);
    this.proxy = new Ext.data.ScriptTagProxy({
        url : this.dataUrl
    });
};
Ext.extend(Forum.TreeLoader, Ext.tree.TreeLoader, {
    dataUrl: 'http://extjs.com/forum/forums-remote.php',
    requestData : function(node, cb){
        this.proxy.request('read', null, {}, {
            readRecords : function(o){
                return o;
            }
        }, this.addNodes, this, {node:node, cb:cb});
    },

    addNodes : function(o, arg){
        var node = arg.node;
        for(var i = 0, len = o.length; i < len; i++){
            var n = this.createNode(o[i]);
            if(n){
                node.appendChild(n);
            }
        }
        arg.cb(this, node);
    }
});
