By Loiane Groner
during this ebook you are going to discover ways to increase a whole software with ExtJS. improve your latest talents and get a greater seize of the JavaScript framework to create complicated web purposes.
Overview
- construct an program with Ext JS from scratch
- research specialist tips and tips to make your net functions glance beautiful
- Create specialist displays resembling login, menus, grids, tree, varieties, and charts.
In Detail
Ext JS four is a JavaScript framework that gives you with the assets to construct multi-browser, high-performance, and wealthy web applications.
gaining knowledge of Ext JS is a realistic, hands-on consultant that might educate you the way to advance a whole software with Ext JS. You’ll start via studying how one can create the project’s constitution and login reveal sooner than gaining knowledge of complicated point positive factors similar to dynamic menus and master-detail grids, sooner than eventually getting ready the appliance for production.
studying Ext JS may help you to make use of Ext JS to its complete capability and should enable you to create an entire Ext JS software from the scratch, in addition to explaining the best way to create a WordPress theme.
you'll the best way to create person and team protection, master-detail grids and kinds, charts, timber, and the way to export info to excel together with PDF and pictures, regularly concentrating on most sensible practices.
additionally, you will the right way to customise subject matters and the way to organize the applying to be prepared for deployment upon final touch. every one bankruptcy of the booklet is concentrated on one activity and is helping you know and grasp somebody point of the application.
by way of the tip of the publication, you might have realized every thing you must comprehend to really grasp Ext JS and to begin development complicated applications.
What you are going to research from this book
- increase a content material administration module
- deal with the data at the server facet, fending off the necessity for JSON documents
- Create a WordPress subject
- improve a consumer email, teams, and defense module
- Build the applying for production
- try out an Ext JS application
- Reuse code to construct an identical program as a cellular app
Approach
Written as a pragmatic step by step educational, gaining knowledge of Ext JS is stuffed with attractive examples that will help you study in a realistic context.
Who this booklet is written for
Mastering Ext JS is for builders who're accustomed to utilizing Ext JS and wish to take their abilities to the following point by means of gaining knowledge of Ext JS and developing even higher internet applications.
Read or Download Mastering Ext JS PDF
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Extra info for Mastering Ext JS
Regulate statement: "login shape textfield": { specialkey: this. onTextfieldSpecialKey } The selector that we will use is login shape textfield simply because this selector will retrieve the entire textual content fields from the Login shape, that are person and password. The consumer can hit input whereas typing at any textual content box of the shape. subsequent, we have to enforce the onTextfieldSpecialKey procedure contained in the controller besides: onTextfieldSpecialKey: function(field, e, concepts) { if (e. getKey() == e. ENTER){ var submitBtn = box. up('form'). down('button#submit'); submitBtn. fireEvent('click', submitBtn, e, options); } } First, we will ascertain if the most important pressed by means of the person is input. Then, we are going to get the reference for the post button: we'd like first to get the shape reference, after which retrieve the put up button that's lower than the shape within the component's hierarchy. and finally, we'll fireplace the clicking occasion of the post button manually. this manner the onButtonClickSubmit technique may be known as immediately. As we additionally determine if the shape is legitimate contained in the onButtonClickSubmit process, we will be able to make certain the request are usually not made whether the buyer validations fail. The Caps Lock caution message The final enhancement we are going to observe to the shape is the Caps Lock message. occasionally the Caps Lock key's energetic and after we enter the password, we may perhaps enter the right kind password and but have the process time period it unsuitable since it is case delicate. And caution the person approximately it is a great factor to do. [ sixty six ] Chapter 2 the subsequent screenshot offers the ultimate results of the Caps Lock caution implementation: As you will find within the previous screenshot, we are going to demonstrate the caution as a tooltip. So first thing we have to do is return to the app. js release functionality and at the first line we have to upload the next code: Ext. tip. QuickTipManager. init(); with no the previous line of code, the tooltips won't paintings. an alternative choice is to set enableQuickTips to precise within Ext. software (app. js). the development that we will take heed to is the keypress occasion, and we're purely going to hear this occasion fired by way of the password box. through default, the textfield parts don't fireplace this occasion since it is just a little heavy just about the functionality. As we wish to take heed to this occasion, we have to upload a configuration to the password box (inside Login. js file): identify: 'password', fieldLabel: "Password", enableKeyEvents: real, identification: 'password' We additionally have to upload identity to this box. And convinced, as we mentioned utilizing identification rather than itemId is undesirable, yet as a consequence, there's not anything we will do approximately it. for the reason that while developing the tooltip, we have to set a goal (in this example, the password field), and this goal basically accepts identity of the part, and never itemId. [ sixty seven ] The Login web page sooner than we upload the code to the controller, we have to create the tooltip. we'll create a brand new view known as Packt. view. authentication. CapsLockTooltip. So we have to create a dossier named CapsLockTooltip.