extjs4

问题 Other than iterating over the records in the store and checking the dirty flag, is there a cleaner way? EDIT I am using ExtJS4, btw. Here is a snippet of the data returned. Notice there is a dirty: true with the modified object set (which is actually the OLD data and the data object contains the NEW data) data: Ext.Class.Class.newClass items: Array[3] 0: Ext.Class.Class.newClass data: Object incidentCount: 14 incidentKey: "5466BD05-E4DD-4C1F-9F73-61ABAC6D3753" dirty: true id: "Ext.data.Store

问题 I'm building some models to interact with an existing API from a previous project. The API relies on standard POST methods to save the data. I've configured a model and proxy up to the point where it does push the data onto the server but there only seems to be two writer types, json & xml. proxy: { /* ... */ reader: { type: 'json', root: 'results' }, writer: { type: '???' // <-- can only see json or xml in the docs } } Isn't there a standard POST writer that simply submits data in post

问题 I'm trying to upload a file using Ext JS forms and in case of success or failure, show appropriate messages. But I'm not able to get the desired result. I'm not able to make success or failure callbacks work in form.submit action. What I've done till now is: Creating a form with this script: new Ext.FormPanel({ fileUpload: true, frame: true, url: '/profiler/certificate/update', success: function() { console.log(arguments); }, failure: function() { console.log(arguments); } }).getForm().submit

问题 I am stuck at data connect from mysql database to HighCharts highchart.js code below <script type="text/javascript"> $(function () { var chart; $(document).ready(function() { chart = new Highcharts.Chart({ chart: { renderTo: 'container5', plotBackgroundColor: null, plotBorderWidth: 2, plotShadow: false }, title: { text: '<p><?php echo $chart5; ?></p>' }, // tooltip: { // pointFormat: '{series.name}: <b>{point.percentage}%</b>', // percentageDecimals: 1 // }, plotOptions: { pie: {

问题 I am working with extjs 4 n rails. i have grid that has column as filename which is hyperlink. i want to display image on hover effect of filename. the image is saved as binary in database. now i want to display image on hover effect of filename in grid. 回答1: i would put a listener on mouseover in the view and then show it as an ordinary <img src='your url'> in a tooltip or other container viewConfig: {stripeRows: false, trackOver:true}, selType: 'cellmodel', columns: [ {text: "Filename",

问题 I have already a few stores instanciated. But at a certain point, I'd to add a HTTP header in all of them. How can I do that, with ExtJS 4 ? 回答1: Assuming that you are using an ajax proxy, you could update the headers property on the stores in question. Looking at the code it'll apply whatever is in there as the headers. A more involved solution would involve overriding the doRequest function to do whatever suited you. 回答2: The answer provided by wombleton is close, but the key is that you

问题 Where can previous versions of Extjs can be downloaded from ? Specifically I would like to get extjs-4.1.1a and btw what is up with the 'a' is this different from extjs-4.1.1? 回答1: From this repos: https://github.com/probonogeek/extjs/commits/master https://github.com/bjornharrtell/extjs/commits/master For the missing 4.1.3 here is another repo: https://github.com/zenoss/zenoss-extjs/blob/master/ext-4.1.3.zip?raw=true Took from: http://www.sencha.com/forum/showthread.php?291411-where-i-can

问题 To filter one grid column we can use: { xtype: 'button', text:'Search', handler:function(){ store.clearFilter(); var searchValue = Ext.getCmp("textFieldId").getValue(); store.load().filter('GridFieldName', searchValue); } } but how to search multiple fields at once, something like: { xtype: 'button', text:'Search', handler:function(){ store.clearFilter(); var searchValue = Ext.getCmp("textFieldId").getValue(); store.filter([ {property: "GridFieldName", value: searchValue}, {property:

问题 How to extend from custom model in extjs. Is there any method which can directly club the fields of User and BusinessUser fields when I'll refer the fields from BusinessUser class in example below. Ext.define('User', { extend: 'Ext.data.Model', fields: [ {name: 'name', type: 'string'}, {name: 'age', type: 'int'}, {name: 'phone', type: 'string'}, {name: 'alive', type: 'boolean', defaultValue: true} ], }); Ext.define('BusinessUser', { extend: 'User', fields: [ {name: 'businessType', type:

问题 When using ExtJS 4+ with asynchronous loading one would be familiar with this sort of warning: [Ext.Loader] Synchronously loading 'MY.particular.module'; consider adding Ext.require('MY.particular.module') above Ext.onReady How to identify which JavaScript module (be it a controller, a component, etc) is causing this warning? I.e. the place where include module being synchronously loaded in the requires list. What is the right way to go around correcting these warnings? Does an automated way