extjs4

问题 var gusersPanel = Ext.create('Ext.grid.Panel', { flex:1, columns: [{ header: 'User Login', dataIndex: 'user_login', width:150 },{ header: 'User Name', dataIndex: 'user_nicename', width:150 },{ header:'Privledge', dataIndex:'admin', width:150 }], autoScroll: true, layout:'fit', selModel: gusersSel, store: gusersStore }) Hi I am using above code for the grid Panel in Extjs4.0.2a When I populate data dynamically in the store the scrollbars are not working . I have also tried using doLayout() for

问题 I've been trying to learn to work with Models and Stores. But the proxy bit is confusing me a lot. So I'm going to list out my understanding here - please point out the gaps in my understanding. My understanding Models are used to represent domain objects. Models can be created by ModelManager, or by simply using the constructor Models are saved in Stores Stores may be in memory stores, or can be server stores. This is configured using Proxy. Proxy tells the store how to talk to a backing

问题 I've been trying to learn to work with Models and Stores. But the proxy bit is confusing me a lot. So I'm going to list out my understanding here - please point out the gaps in my understanding. My understanding Models are used to represent domain objects. Models can be created by ModelManager, or by simply using the constructor Models are saved in Stores Stores may be in memory stores, or can be server stores. This is configured using Proxy. Proxy tells the store how to talk to a backing

问题 I have a model and store and I need to assign a value to the hidden field from the store. Ext.define('loginUser', { extend: 'Ext.data.Model', fields: [ { name: 'id', mapping: 'Provider.id' }, { name: 'name', mapping: 'Provider.name' } ] }); loggedUser = Ext.create('Ext.data.Store', { model: 'loginUser', autoLoad: true, proxy: { type: 'ajax', url : url+'/lochweb/loch/users/getLoggedUser', reader: { type: 'json', root: 'Users' } } }); I need to assign the store value to hidden field as follows,

问题 I would like to know how to create stack overflow type buttons (buttons like in image below)? Is it possible to create buttons like this using ExtJS? 回答1: Someone made an extension for that awhile ago. It is not exactly like SO buttons but you could play around with the CSS a bit and possibly add a few overrides to get it 100%. I think the fourth example (forceSelection: false) is probably the most similar. Just hide the field box and change the close icon and you're basically there. Here are

问题 I would like to know how to create stack overflow type buttons (buttons like in image below)? Is it possible to create buttons like this using ExtJS? 回答1: Someone made an extension for that awhile ago. It is not exactly like SO buttons but you could play around with the CSS a bit and possibly add a few overrides to get it 100%. I think the fourth example (forceSelection: false) is probably the most similar. Just hide the field box and change the close icon and you're basically there. Here are

问题 I want to create TreePanel using ExtJS4. So I'm sending JSON to proxy reader which has following format { "text": "en", "children": { "text": "/", "children": [{ "text": "/page", "children": [{ "text": "/page/new", "children": [], "leaf": true, "expanded": false }, { "text": "/page/remove", "children": [], "leaf": true, "expanded": false } ], "leaf": false, "expanded": false }, { "text": "/home", "children": [], "leaf": true, "expanded": false } ], "leaf": false, "expanded": true } } How do I

问题 I'm trying to get request data params beforeload event on store. I can see the operation object contains the request data but I can't seems to get it from operation object Ext.create('Ext.data.Store', { autoLoad : true, fields : [ {name: 'item_code', type: 'string'}, {name: 'quantity', type: 'int'}, {name: 'description', type: 'string'} ], storeId : 'summary', proxy : { type : 'ajax', actionMethods : 'POST', extraParams : {'filter': 'branch', 'branch': location }, url : 'reports/stock_summary

问题 I want to add nested data from JSON into a treepanel. My problem is that the tree is being listed for the number of JSON records (number of divisions, here 1 in the example) without any text. But when I select a child, it shows Uncaught TypeError: Cannot read property 'internalId' of undefined error. This is what I have tried so far. JSON file (schemesInfo.json). { "divisions":[ {"name": "division1","id": "div1","subdivisions":[ {"name": "Sub1Div1","id": "div1sub1","schemes":[ {"name":

问题 I've a grid cloumn with xtype:datecolumn as below, Now what happens is when i want to alter the value of the cell , i.e change the time on click the cell becomes blank for editing and on clicking way the previous value comes back, I want the value to be present to edit on click this is my gridcolumn { text: ' Time', dataIndex: 'time', xtype: 'datecolumn', format: 'Y-m-d H:i:s', editor: { xtype: 'datefield', format: 'Y-m-d H:i:s', allowBlank: false, maskRe: /[0-9,:,-]/ } }, How will I be