我正面临使用Ext-JS GridPanel的困境:用于加载其存储的数据是动态的,所以我事先不知道需要在网格上显示多少行。
因此,我在网格高度上遇到了困难:我尝试将autoHeight设置为true,但网格只显示第一行,隐藏其余部分;当我明确设置其高度时,如果行数没有填充高度指定的空间,则网格上会出现空格。
理想情况下,网格应垂直展开/缩小以显示其所有行。 有没有办法让网格的高度动态,基于它包含的行数?
我可以等待网格渲染,计算行数并根据它重新计算网格的高度,但它看起来很黑,而且我正在寻找更清洁的东西。
这是我的参考代码:
var store = new Ext.data.ArrayStore({fields:[{name: 'sign_up_date'}, {name: 'business_name'}, {name: 'owner_name'}, {name: 'status'}]});
// buildResultsArray is a method that returns arrays of varying lengths based on some business logic. The arrays can contain no elements or up to 15
store.loadData(buildResultsArray());
var resultsGrid = new Ext.grid.GridPanel({
store: store,
columns: [
{id: "sign_up_date", header: "Sign Up Date", dataIndex: "sign_up_date", width: 70},
{id: "business_name", header: "Business Name", dataIndex: "business_name", width: 100},
{id: "owner_name",header: "Owner Name", dataIndex: "owner_name", width: 100},
{id: "status", header: "Sign Up Status", dataIndex: "status", width: 70}
],
stripeRows: true,
columnLines: true,
enableColumnHide: false,
enableColumnMove: false,
enableHdMenu: false,
id: "results_grid",
renderTo: "results_grid_div",
//height: 300,
autoHeight: true,
selModel: new Ext.grid.RowSelectionModel({singleSelect: false})
});
感谢您的帮助。
答案 0 :(得分:1)
在ExtJS 3中,它不是开箱即用的,但通过扩展GridView很容易实现:
AutoGridView = Ext.extend(
Ext.grid.GridView,
{
fixOverflow: function() {
if (this.grid.autoHeight === true || this.autoHeight === true){
Ext.get(this.innerHd).setStyle("float", "none");
this.scroller.setStyle("overflow-x", this.scroller.getWidth() < this.mainBody.getWidth() ? "scroll" : "auto");
}
},
layout: function () {
AutoGridView.superclass.layout.call(this);
this.fixOverflow();
},
render: function(){
AutoGridView.superclass.render.apply(this, arguments);
this.scroller.on('resize', this.fixOverflow, this);
if (this.grid.autoHeight === true || this.autoHeight === true){
this.grid.getStore().on('datachanged', function(){
if (this.ownerCt) { this.ownerCt.doLayout(); }
}, this.grid, { delay: 10 });
}
}
}
);
用法:
new Ext.grid.GridPanel({
autoHeight: true,
view: new AutoGridView()
});