In some scenarios, it is good to ask the user for confirmation if he really wants change pages and therefore lose all data entered in a form. This can be handy when the form is time consuming. For this, there is a DOM event beforeunload which occurs just before unloading the page.
The return value is the text that is displayed ...more»
Hello,
Below, a simple example to add items to a panel dynamicaly in runtime in Sencha Framework:
Notes: The component 'containerBottomButtonsID' must have its layout (panel, container..).
For the updating of content in a panel on the fly, a simple example after an ajax request:
In the previous example, we could replace the updating by adding item in the success callback like:
Best regards, ...more»
I continue with the presentation of GAE (Google App Engine). As explained in a previous post, Google proposes a cloud computing infrastructure named Google App Engine (GAE) for the hosting and running web applications. An Google email account is necessary to deploy an application to GAE. The GAE dashboard is accessible at the URL http://appengine.google.com/ with the Google account information. ...more»
I start by the presentation of GWT: GWT (Google Web Toolkit) 2.4.0, is a popular framework available as open source since the end of 2007, which addresses the following problematic topics:
the support of different browsers that do not support all the JavaScript in the same way, especially concerning the implementation of AJAX applications);
the maintenance and evolution of applications ...more»
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