ExtJS Question

Ext.namespace('MODx', 'AjaxPoll');

AjaxPoll = function(config) {
    config = config || {};
    Ext.applyIf(config,{
        base_url: MODx.config.context_url,
        connectors_url: MODx.config.context_url + 'core/connectors/',
        tabs: [{
        	contentEl: 'tab_polls',
        	title: _('polls')
        },
        {
        	contentEl: 'tab_tools',
        	title: _('tools')
        }],
        components: [{
        	xtype: 'grid-ajaxpoll',
        	el: 'grid_ajaxpolls'
        },
        {
        	xtype: 'panel-tools',
        	el: 'panel_tools'
        }]
    });
    
    AjaxPoll.superclass.constructor.call(this, config);
    this.config = config;
};
Ext.extend(AjaxPoll, Ext.Component, {
    config: {}
});
Ext.reg('ajaxpoll', AjaxPoll);

AjaxPoll = new AjaxPoll();

Ext.extend(AjaxPoll, Ext.Component, {

var AjaxPoll = function(config) {
    config = config || {};
    Ext.applyIf(config,{
        base_url: MODx.config.context_url,
        connectors_url: MODx.config.context_url + 'core/connectors/',
        tabs: [{
        	contentEl: 'tab_polls'
        	,title: _('polls')
        },{
        	contentEl: 'tab_tools'
        	,title: _('tools')
        }],
        components: [{
        	xtype: 'grid-ajaxpoll',
        	renderTo: 'grid_ajaxpolls' // change el: to renderTo:
        },{
        	xtype: 'panel-tools',
        	renderTo: 'panel_tools'
        }]
    });
    AjaxPoll.superclass.constructor.call(this, config);
    // no need to set this.config, it's auto-set in MODx.Component
};
Ext.extend(AjaxPoll, MODx.Component);
Ext.reg('ajaxpoll', AjaxPoll);

// note that i changed this to ap, since otherwise
// you are overwriting the class definition
var ap = new AjaxPoll();

Error: types[config.xtype || defaultType] is not a constructor
Source File: http://localhost/revolution/manager/assets/ext2/ext-all.js
Line: 12086

AjaxPoll.grid.AjaxPoll = function(config){
    config = config || {};
    Ext.applyIf(config, {
        title: _('polls'),
        url: AjaxPoll.connectors_url + 'ajaxpoll.php',
		paging: true,
        autosave: true,
        remoteSort: true,
        primaryKey: 'poll_id',
        fields: [{
			name: 'poll_id',
			type: 'int'
		}, {
			name: 'start_date',
			type: 'date', 
			dateFormat: 'timestamp'
		}, {
			name: 'topic',
			type: 'string'
		}, {
			name: 'votes',
			type: 'int'
		}, {
			name: 'status',
			type: 'int'
		}, {
			name: 'menu'
		}],
        columns: [{
            header: _('poll_id'),
            dataIndex: 'poll_id',
            width: 50,
            sortable: true
        }, {
            header: _('start_date'),
            dataIndex: 'start_date',
			width: 100,
			sortable: true,
			renderer: Ext.util.Format.dateRenderer('M j, Y g:i A')
        }, {
            header: _('topic'),
            dataIndex: 'topic',
            editor: { 
            	xtype: 'textfield', 
            	allowBlank: false 
            },
			sortable: true
        }, {
            header: _('votes'),
            dataIndex: 'votes',
			width: 100,
			sortable: true
        }, {
            header: _('status'),
            dataIndex: 'status',
            width: 100,
			sortable: true,
			editor: { 
				xtype: 'combo-ajaxpoll-status'
			}
        }],
        tbar: [{
            text: _('new_poll'),
            handler: {
                xtype: 'window-ajaxpoll-create',
                blankValues: true
            }
        }]
    });
    AjaxPoll.grid.AjaxPoll.superclass.constructor.call(this, config);
};
Ext.extend(AjaxPoll.grid.AjaxPoll, MODx.grid.Grid, {
	update: function(itm, e){
		//
	}
});
Ext.reg('grid-ajaxpoll', AjaxPoll.grid.AjaxPoll);

editor: { 
	xtype: 'combo-ajaxpoll-status'
	,renderer: true
}

AjaxPoll.combo.PollStatus = function(config) {
	config = config || {};
	Ext.applyIf(config, {
		name : 'status',
		hiddenName : 'status',
		displayField : 'name',
		valueField : 'id',
		triggerAction : 'all',
		mode : 'local',
		editable : false,
		width : 150,
		store : new Ext.data.SimpleStore({
			fields : ['id', 'name'],
			data : [['0', _('closed')], ['1', _('open')], ['2', _('hidden')]]
		})
	});
	AjaxPoll.combo.PollStatus.superclass.constructor.call(this, config);
};
Ext.extend(AjaxPoll.combo.PollStatus, MODx.combo.ComboBox);
Ext.reg('combo-ajaxpoll-status', AjaxPoll.combo.PollStatus);

        if (this.isLoaded || b == true) {

        if (this.isLoaded || b == true || this.mode == 'local') {

function comboGridRenderer(value) {
    var record = statusStore.getById(value);
    
    return record ? record.data.name : value;
}