Ext.BLANK_IMAGE_URL = '../js/extjs/resources/images/default/s.gif';

Ext.override(Ext.grid.CheckboxSelectionModel, {
	handleMouseDown : function(g, rowIndex, e) {
		if (e.button !== 0 || this.isLocked()) {
			return;
		}
		var view = this.grid.getView();
		if (e.shiftKey && !this.singleSelect && this.last !== false) {
			var last = this.last;
			this.selectRange(last, rowIndex, e.ctrlKey);
			this.last = last; // reset the last   
		view.focusRow(rowIndex);
		} else {
//			var isSelected = this.isSelected(rowIndex);
//			if (isSelected) {
//				this.deselectRow(rowIndex);
//			} else if (!isSelected || this.getCount() > 1) {
//				this.selectRow(rowIndex, true);
//				view.focusRow(rowIndex);
//			}
		}
	}
});



var comboBoxStore = new Ext.data.Record.create([{
		name : 'name',
		mapping : 'name',
		type : 'string'
	},
	{
		name : 'value',
		mapping : 'value',
		type : 'string'
	}
]);

/**
 * 获取一个columnModel
 * @param {Object} hasSm
 * @param {Object} smName
 * @param {Object} data
 * @return {TypeName} 
 */
function getCm(hasSm,smName,data){
	var cmJson = "[new Ext.grid.RowNumberer({header: '',width: 40})" + (hasSm?("," + smName):"");
	for (var i = 0; i < data.length; i++){
		var dataArray = data[i];
		cmJson += ",{header:'" + dataArray[0] + "'" + 
		 		  ",dataIndex:'" + dataArray[1] + "'" +
		 		  ",width:" + dataArray[2] + 
		 		  ",align:'" + dataArray[3] + "'" + 
		 		  ",sortable:" + dataArray[4] +
		 		  ",hidden:" + dataArray[5];
		if (dataArray[7] != ""){
			cmJson += ",renderer:function(v,m){m.css='x-grid-back-" + dataArray[7] + "';return v;}";
		}
		cmJson += "}";
	}
	cmJson += "]";
	return new Ext.grid.ColumnModel(eval(cmJson));
}

/**
 * 获取一个record
 * @param {Object} data
 * @return {TypeName} 
 */
function getRecord(data){
	var recordJson = "[";
	for (var i = 0; i < data.length; i++){
		var dataArray = data[i];
		if (i != 0){
			recordJson += ",";
		}
		recordJson += "{name:'" + dataArray[1] + "'" +
					  ",mapping:'" + dataArray[1] + "'" + 
					  ",type:'" + dataArray[6] + "'}";
	}
	recordJson += "]";
	return new Ext.data.Record.create(eval(recordJson));
}

/**
 * 获取一个store
 * @param {Object} url
 * @param {Object} record
 * @return {TypeName} 
 */
function getStore(url, record){
	return new Ext.data.Store({  
        proxy: new Ext.data.HttpProxy({   
            url:url,   
            method:"post"   
        }),
		reader : new Ext.data.JsonReader({
            root: 'items',
            totalProperty: 'totalProperty' //总记录数   
        }, record)
	});
}

/**
 * 获取一个分组store
 * @param {Object} url
 * @param {Object} record
 * @param {Object} groupField
 * @param {Object} sortField
 * @param {Object} direction
 * @return {TypeName} 
 */
function getGroupingStore(url, record, groupField, sortField, direction){
	return new Ext.data.GroupingStore({  
        proxy: new Ext.data.HttpProxy({   
            url:url,   
            method:"post"   
        }),
		reader : new Ext.data.JsonReader({
            root: 'items',
            totalProperty: 'totalProperty' //总记录数   
        }, record),
        groupField : groupField,
        sortInfo : {field : sortField, direction : direction}
	});
}

/**
 * 获取一个grid
 * @param {Object} cm
 * @param {Object} store
 * @param {Object} sm
 * @param {Object} title
 * @param {Object} tbar
 * @param {Object} bbar
 * @param {Object} renderId
 * @param {Object} width
 * @param {Object} height
 * @return {TypeName} 
 */
function getGridPanel(cm, store, sm, title, tbar, bbar, renderId, width, height){
	return new Ext.grid.GridPanel({
		frame : true,
		cm : cm,
		ds : store,
		sm : sm,
		title : title,
		enableColumnMove : true,
		enableColLock : false,
		width:width,
		height:height,
        autoScroll : true,
        enableHdMenu : false,
		loadMask: {msg:'正在加载数据，请稍侯……'}, 
		viewConfig: {forceFit: true},
//		tbar:tbar,
//		bbar:bbar,
        renderTo : renderId
	});
}



/**
 * 获取一个可编辑的grid
 * @param {Object} cm
 * @param {Object} store
 * @param {Object} sm
 * @param {Object} title
 * @param {Object} tbar
 * @param {Object} bbar
 * @param {Object} renderId
 * @param {Object} width
 * @param {Object} height
 * @return {TypeName} 
 */
function getEditGridPanel(cm, store, sm, title, tbar, bbar, renderId, width, height){
	return new Ext.grid.EditorGridPanel({
		cm : cm,
		ds : store,
		sm : sm,
		title : title,
		clicksToEdit : 1,
		enableColumnMove : true,
		enableColLock : false,
		height:height,
        autoScroll : true,
        enableHdMenu : false,
		loadMask: {msg:'正在加载数据，请稍侯……'}, 
		viewConfig: {forceFit: true},
//		tbar:tbar,
//		bbar:bbar,
        renderTo : renderId
	});
}

/**
 * 获取一个分页工具条
 * @param {Object} pageSize
 * @param {Object} store
 * @return {TypeName} 
 */
function getPagingToolBar(pageSize,store){
	return new Ext.PagingToolbar({   
        pageSize:pageSize,
        store:store,
        displayInfo:true,
        displayMsg:'显示第 {0} 条到 {1} 条记录，一共 {2} 条',   
        emptyMsg:'没有记录'   
    });
}

/**
 * 获取一个panel
 * @param {Object} items
 * @param {Object} title
 * @param {Object} renderId
 * @param {Object} width
 * @param {Object} height
 * @return {TypeName} 
 */
function getPanel(items, title, renderId, width, height){
	return new Ext.Panel({
		buttonAlign: 'left',
		bodyStyle:'padding:8px 0 0 0;',
		frame: true,
		title:title,
		width: width,
		height : height,
		renderTo:renderId,
		items : [items]
	});
}

/**
 * 获取一个panel
 * @param {Object} items
 * @param {Object} title
 * @param {Object} renderId
 * @param {Object} width
 * @param {Object} height
 * @return {TypeName} 
 */
function getFormPanel(items, title, renderId, width, height){
	return new Ext.FormPanel({
		buttonAlign: 'left',
		bodyStyle:'padding:8px 0 0 0;',
		frame: true,
		title:title,
		width: width,
		height : height,
		renderTo:renderId,
		items : [items]
	});
}

function getTabPanel(items, renderId, width, height){
	var tabPanelJson = "new Ext.TabPanel({frame:true,deferredRender:false,autoHeight:true,renderTo:'" + renderId + "',items:[";
	for (var i = 0; i < items.length; i++){
		if (i != 0){
			tabPanelJson += ","
		}
		tabPanelJson += items[i];
	}
	tabPanelJson += "]})";
	return eval(tabPanelJson);
}

function pageStoreLoad(st,pageSize){
	st.load({params:{start:0,limit:pageSize}});
}

function getMsgTip(title,width,msg){
	return Ext.MessageBox.show({title:title,width:width,msg:msg});
}

function getWindow(width, height, modal, maximizable, closeable, title, items, url, closeAction){
	if (items != null){
		return new Ext.Window({
			layout: 'fit',
			width: width,
			height: height,
			closeAction: closeAction != undefined ? closeAction : "close",
			maximizable : maximizable,
			resizable: false,
			shadow: true,
			modal: modal,
			closable: closeable,
			bodyStyle: 'padding:5 5 5 5',
			animCollapse: true,
			title: title,
			items : items
		});
	} else if (url.trim() != ''){
		return new Ext.Window({
			layout: 'fit',
			width: width,
			height: height,
			closeAction: 'close',
			maximizable : maximizable,
			resizable: false,
			shadow: true,
			modal: modal,
			closable: closeable,
			bodyStyle: 'padding:5 5 5 5',
			animCollapse: true,
			title: title,
			html : '<iframe id="currentData" scrolling="auto" frameborder="0" width="100%" height="100%" src="' + url + '"></iframe>'
		});
	}
}

/**
 * 执行ajax
 * @param {Object} url
 * @param {Object} params
 * @param {Object} callback(options,success,response)
 * @memberOf {TypeName} 
 */
function executeAjax(url, params, callback){
	var conn = new Ext.data.Connection();
	conn.request({
		url : url, // 请注意引用的路径
		params : params,
		method : 'post',
		scope : this,
		callback : callback
	});
}

function getCoboBoxStore(url){
	return new Ext.data.Store({
		proxy: new Ext.data.HttpProxy({
			url: url
		}),
		reader : new Ext.data.JsonReader({
            root: 'items'
        }, 
    	comboBoxStore
	    )
	});
}

/**
 * 获取一个combobox
 * @param {Object} url
 * @param {Object} fieldLabel
 * @param {Object} id
 * @param {Object} name
 * @param {Object} mode
 * @param {Object} store
 * @param {Object} value
 * @param {Object} width
 * @return {TypeName} 
 */
function getComboBox(url,fieldLabel,id,name,mode,store,value,width){
	var comboStore = null;
	if (mode == "local"){
		comboStore = store;
	} else if (mode == "remote"){
		comboStore = new Ext.data.Store({
			proxy: new Ext.data.HttpProxy({
				url: url
			}),
			reader : new Ext.data.JsonReader({
		            root: 'items'
	        },comboBoxStore)
		});
	}
	return new Ext.form.ComboBox({
		fieldLabel: fieldLabel,      
	    id: id,      
	    name: name,   
	    store: comboStore,
	    valueField :"value",
	    displayField: "name",
	    mode: mode,      
	    forceSelection: true,   
	    editable: false,   
	    triggerAction: 'all',
	    value: value,
		width : width,
		listeners : {
			'render' : function(){
				comboStore.load();
			}
		}
	});
}

/**
 * 获取树
 * @param {Object} id
 * @param {Object} checked
 * @param {Object} url
 * @return {TypeName} 
 */
function getTreePanel(id, checked, url, height){
	return new Ext.tree.TreePanel({
		id : id,
		autoWidth : true,
		autoScroll : true,
		checked : checked,
		height : height,
		loader : new Ext.tree.TreeLoader({
			url : url
		}),
		root : new Ext.tree.AsyncTreeNode({
			expanded : true
		}),
		rootVisible : false
	})
}