uas6.0/WebContent/app/view/common/datalist/Toolbar.js

Ext.define('erp.view.common.datalist.Toolbar', {
	extend: 'Ext.toolbar.Paging',
	alias: 'widget.erpDatalistToolbar',
	doRefresh:function(){
		this.moveFirst();
	},
	items: ['-',{
		id: 'erpAddButton',
		name: 'add',
		tooltip: $I18N.common.button.erpAddButton,
		iconCls: 'x-button-icon-add',
		cls: 'x-btn-tb',
		width: 24,
		hidden: true,
		handler: function(btn){
			var g = btn.ownerCt.ownerCt, u = g.BaseUtil; 
			u.onAdd(caller, u.getActiveTab().title, url);
		}
	},'-',{
		id:'datalistexport',
		name: 'export',
		tooltip: $I18N.common.button.erpExportButton,
		iconCls: 'x-button-icon-excel',
		hidden:getUrlParam('_noexport')==-1,
		cls: 'x-btn-tb',
		width: 24,
		handler : function(i) {
			var me = i.ownerCt;
			me.exportData(me.ownerCt, i);
		}
	},'-',{
		itemId: 'close',
		tooltip:$I18N.common.button.erpCloseButton,
		iconCls: 'x-button-icon-close',
		width: 24,
		cls: 'x-btn-tb',
		handler: function(){
			var main = parent.Ext.getCmp("content-panel"); 
			main.getActiveTab().close();
		}
	},'-',{
		iconCls: 'x-button-icon-query',
		tooltip: $I18N.common.tip.searchlist,
		width: 24,
		cls: 'x-btn-tb',
		id: 'searchlist'
	},'-',{
		iconCls: 'x-button-icon-detail',
		tooltip: $I18N.common.tip.relativelist,
		cls: 'x-btn-tb',
		width: 24,
		id: 'relativelist',
		handler: function(btn){
			if(relative){
				var url = window.location.href.toString().replace(caller, relative);
				if(url.indexOf('?') > -1) {
					url += '&';
				} else {
					url += '?';
				}
				url += '_noc=1';
				window.location.href = url;
			}
		}
	}],
	exportData : function(grid, btn, title, customFields) {
		if(!btn.locked) {
			var me = this;
			grid.BaseUtil.createExcel(caller, 'datalist', grid.getCondition(), title, null, customFields, grid);
			if(dataCount > 6000) {
				me.insert(me.items.items.length - 2, {
					name: 'warn-tip',
					xtype: 'tbtext',
					text: '数据量较大，请耐心等待，不要重复点击。为减少服务器压力，单次导出上限为5万条.'
				});
				btn.setDisabled(true);
				btn.locked = true;
				setTimeout(function(){
					me.down('tbtext[name=warn-tip]').destroy();
					btn.setDisabled(false);
					btn.locked = false;
				}, 8000);
			}
		}
	},
	updateInfo : function(){
		var page = this.child('#inputItem').getValue();
		var me = this,
			displayItem = me.child('#displayItem'),
			pageData = me.getPageData();
			pageData.fromRecord = (page-1)*pageSize+1;
			pageData.toRecord = page*pageSize > dataCount ? dataCount : page*pageSize;//
			pageData.total=dataCount;
			dataCount, msg;
			if (displayItem) {
				if (dataCount === 0) {
					msg = me.emptyMsg;
				} else {
					msg = Ext.String.format(
							me.displayMsg,
							pageData.fromRecord,
							pageData.toRecord,
							pageData.total
					);
				}
				displayItem.setText(msg);
				me.doComponentLayout();
			}
	},
	getPageData : function(){
		var store = this.store,
			totalCount = store.getTotalCount();
		totalCount=dataCount;
		return {
			total : totalCount,
			currentPage : store.currentPage,
			pageCount: Math.ceil(dataCount / pageSize),
			fromRecord: ((store.currentPage - 1) * store.pageSize) + 1,
			toRecord: Math.min(store.currentPage * store.pageSize, totalCount)
		};
	},
	onPagingKeyDown : function(field, e){
		var me = this, k = e.getKey(), grid = me.ownerCt,
			pageData = me.getPageData(),
			increment = e.shiftKey ? 10 : 1, pageNum = 0;
		if (k == e.RETURN) {
			e.stopEvent();
			pageNum = me.readPageFromInput(pageData);
			if (pageNum !== false) {
				pageNum = Math.min(Math.max(1, pageNum), pageData.pageCount);
				me.child('#inputItem').setValue(pageNum);
				if(me.fireEvent('beforechange', me, pageNum) !== false){
					page = pageNum;
					grid.getColumnsAndStore(caller, null, page, pageSize);
				}
			}
		} else if (k == e.HOME || k == e.END) {
			e.stopEvent();
			pageNum = k == e.HOME ? 1 : pageData.pageCount;
			field.setValue(pageNum);
		} else if (k == e.UP || k == e.PAGEUP || k == e.DOWN || k == e.PAGEDOWN) {
			e.stopEvent();
			pageNum = me.readPageFromInput(pageData);
			if (pageNum) {
				if (k == e.DOWN || k == e.PAGEDOWN) {
					increment *= -1;
				}
				pageNum += increment;
				if (pageNum >= 1 && pageNum <= pageData.pages) {
					field.setValue(pageNum);
				}
			}
		}
		me.updateInfo();
		fn(me, pageNum);
	}, 
	moveFirst : function(){
		var me = this;
		me.child('#inputItem').setValue(1);
		value = 1;
		page = value;
		me.ownerCt.getColumnsAndStore(caller, null, page, pageSize);
		me.updateInfo();
		fn(me,value);
	},
	movePrevious : function(){
		var me = this;
		me.child('#inputItem').setValue(me.child('#inputItem').getValue()-1);
		value = me.child('#inputItem').getValue();
		page = value;
		me.ownerCt.getColumnsAndStore(caller, null, page, pageSize);
		me.updateInfo();
		fn(me,value);
	},
	moveNext : function(){
		var me = this,
			last = me.getPageData().pageCount;
		total = last;
		me.child('#inputItem').setValue(me.child('#inputItem').getValue()+1);
		value = me.child('#inputItem').getValue();
		page = value;
		me.ownerCt.getColumnsAndStore(caller, null, page, pageSize);
		me.updateInfo();
		fn(me,value);
	},
	moveLast : function(){
		var me = this,
		last = me.getPageData().pageCount;
		total = last;
		me.child('#inputItem').setValue(last);
		value = me.child('#inputItem').getValue();
		page = value;
		me.ownerCt.getColumnsAndStore(caller, null, page, pageSize);
		me.updateInfo();
		fn(me,value);
	},
	onLoad : function() {
		var e = this, d, b, c, a;
		if (!e.rendered) {
			return
		}
		d = e.getPageData();
		b = d.currentPage;
		c = Math.ceil(dataCount / pageSize);
		a = Ext.String.format(e.afterPageText, isNaN(c) ? 1 : c);
		e.child("#afterTextItem").setText(a);
		e.child("#inputItem").setValue(b);
		e.child("#first").setDisabled(b === 1);
		e.child("#prev").setDisabled(b === 1);
		e.child("#next").setDisabled(b === c || c===1);//
		e.child("#last").setDisabled(b === c || c===1);
		e.child("#refresh").enable();
		e.updateInfo();
		e.fireEvent("change", e, d);
	},
	afterOnLoad : function() {
		var e = this, d, c, a;
		if (!e.rendered) {
			return
		}
		d = e.getPageData();
		b = d.currentPage;
		c = Math.ceil(dataCount / pageSize);
		a = Ext.String.format(e.afterPageText, isNaN(c) ? 1 : c);
		e.child("#afterTextItem").setText(a);
		e.updateInfo();
		e.fireEvent("change", e, d);
		e.child('#last').setDisabled(c <= 1 || page == c);
		e.child('#next').setDisabled(c <= 1 || page == c);
		if(Ext.getCmp("grid").noCount) {
			var m = e.down('#more');
			if(!m) {
				m = Ext.create('Ext.panel.Tool', {
					id: 'more',
					type: 'right',
					margin: '0 5 0 5',
					handler: function() {
						Ext.getCmp("grid").getCount(null, null, true);
						m.hide();
						Ext.getCmp("grid").noCount = false;
					}
				});
				e.add(m);
			} else {
				m.show();
			}
		}
	}
});
function fn(me,value){
	me.child('#last').setDisabled(value == total);
	me.child('#next').setDisabled(value == total);
	me.child('#first').setDisabled(value <= 1);
	me.child('#prev').setDisabled(value <= 1);
}