// consume JSON of this form:
{
"images":[
{
"name":"dance_fever.jpg",
"size":2067,
"lastmod":1236974993000,
"url":"images\/thumbs\/dance_fever.jpg"
},
{
"name":"zack_sink.jpg",
"size":2303,
"lastmod":1236974993000,
"url":"images\/thumbs\/zack_sink.jpg"
}
]
}
var store = new Ext.data.JsonStore({
url: 'get-images.php',
root: 'images',
fields: [
'name', 'url',
{name:'size', type: 'float'},
{name:'lastmod', type:'date', dateFormat:'timestamp'}
]
});
store.load();
var listView = new Ext.ListView({
store: store,
multiSelect: true,
emptyText: 'No images to display',
reserveScrollOffset: true,
columns: [{
header: 'File',
width: .5,
dataIndex: 'name'
},{
header: 'Last Modified',
width: .35,
dataIndex: 'lastmod',
tpl: '{lastmod:date("m-d h:i a")}'
},{
header: 'Size',
dataIndex: 'size',
tpl: '{size:fileSize}', // format using Ext.util.Format.fileSize()
align: 'right'
}]
});
// put it in a Panel so it looks pretty
var panel = new Ext.Panel({
id:'images-view',
width:425,
height:250,
collapsible:true,
layout:'fit',
title:'Simple ListView (0 items selected)',
items: listView
});
panel.render(document.body);
// little bit of feedback
listView.on('selectionchange', function(view, nodes){
var l = nodes.length;
var s = l != 1 ? 's' : '';
panel.setTitle('Simple ListView ('+l+' item'+s+' selected)');
});posted on 2009-09-23 09:50
紫蝶∏飛揚↗ 阅读(4514)
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