记住在extjs网格中刷新所选行之后 [英] remember after refresh selected row in extjs grid
本文介绍了记住在extjs网格中刷新所选行之后的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
ND.refresh = function(){
ND.commList.load();
}
var refreshSeconds = refreshRate * 1000;
var t = setInterval('ND.refresh()',refreshSeconds);
但是当有人选择了一行来突出显示时,它会重置此选择。我如何记住所选的行,刷新后再次突出显示?
这是我的网格:
var grid = Ext.create('Ext.grid.Panel',{
autoscroll:true,
region:'center',
store:ND。 dashBoardDataStore,
stateful:true,
forceFit:true,
loadMask:false,
stateId:'stateGrid',
viewConfig:{
条纹路径:true
},
列:[{
文本:车辆,
可排序:真,
灵活:1,
宽度: 60,
dataIndex:'vehicle'
},{
text:'CCU',
可排序:true,
flexible:0,
width: 50,
renderer:status,
dataIndex:'ccuStatus'
}]
})
感谢你们
解决方案
我写了简单的 Ext.grid.Panel 扩展,自动选择在重新加载存储之前选择的行。您可以在此jsFiddle
Ext.define('PersistantSelectionGridPanel',{
extends:'Ext.grid.Panel',
selectedRecords:[],
initComponent:function(){
this.callParent(arguments);
this.getStore()。on('beforeload',this.rememberSelection,this);
this.getView()。on('refresh' this.refreshSelection,this);
},
rememberSelection:function(selModel,selectedRecords){
if(!this.rendered || Ext.isEmpty(this.el)){
return;
}
this.selectedRecords = this.getSelectionModel()。getSelection();
this.getView()。saveScrollState();
} ,
refreshSelection:function(){
if(0> = this.selectedRecords.length){
return;
}
var newRecordsToSelect = [];
for(var i = 0; i < this.selectedRecords.length; i ++){
record = this.getStore()。getById(this.selectedRecords [i] .getId());
if(!Ext.isEmpty(record)){
newRecordsToSelect.push(record);
}
}
this.getSelectionModel()。select(newRecordsToSelect);
Ext.defer(this.setScrollTop,30,this,[this.getView()。scrollState.top]);
}
});
i have a problem. I use extjs grid. This grid will be refreshed every ** seconds. I refresh with this function:
ND.refresh = function () {
ND.commList.load();
}
var refreshSeconds = refreshRate * 1000;
var t = setInterval('ND.refresh()', refreshSeconds);
But when someone selected a row to highlight it it reset this selection. How can i remember the selected row and highlight it again after refresh?
this is my grid:
var grid = Ext.create('Ext.grid.Panel', {
autoscroll: true,
region: 'center',
store: ND.dashBoardDataStore,
stateful: true,
forceFit: true,
loadMask: false,
stateId: 'stateGrid',
viewConfig: {
stripeRows: true
},
columns: [{
text: 'Vehicle',
sortable: true,
flexible: 1,
width: 60,
dataIndex: 'vehicle'
}, {
text: 'CCU',
sortable: true,
flexible: 0,
width: 50,
renderer: status,
dataIndex: 'ccuStatus'
}]
})
Thanks guys
解决方案
I wrote simple Ext.grid.Panel extension that automatically selects back rows that were selected before store reload. You can try it in this jsFiddle
Ext.define('PersistantSelectionGridPanel', {
extend: 'Ext.grid.Panel',
selectedRecords: [],
initComponent: function() {
this.callParent(arguments);
this.getStore().on('beforeload', this.rememberSelection, this);
this.getView().on('refresh', this.refreshSelection, this);
},
rememberSelection: function(selModel, selectedRecords) {
if (!this.rendered || Ext.isEmpty(this.el)) {
return;
}
this.selectedRecords = this.getSelectionModel().getSelection();
this.getView().saveScrollState();
},
refreshSelection: function() {
if (0 >= this.selectedRecords.length) {
return;
}
var newRecordsToSelect = [];
for (var i = 0; i < this.selectedRecords.length; i++) {
record = this.getStore().getById(this.selectedRecords[i].getId());
if (!Ext.isEmpty(record)) {
newRecordsToSelect.push(record);
}
}
this.getSelectionModel().select(newRecordsToSelect);
Ext.defer(this.setScrollTop, 30, this, [this.getView().scrollState.top]);
}
});
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