By Grant Slender
Developing in Ext GWT is a fast–paced, sensible advisor to fast studying the projects invaluable in development enterprise–class wealthy net purposes. dependent round the intriguing new UI library from Ajax leaders Ext JS and the most recent GWT unencumber, this e-book takes the reader via setup, the on hand widgets, and complicated customized widgets and templates, and concludes with a sensible pattern client–server software in under one hundred fifty pages. no longer your common beginner's advisor to programming, this booklet presents a speedy method of changing into potent with major advertisement RIA instruments and libraries.
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Additional resources for Developing with Ext GWT: Enterprise RIA Development
Layout(); Manually executing the layout is required when the container has been attached (rendered), and you add child components. Developing with Ext GWT 53 Cascading Layouts Previously, we discussed two ways of executing a container's layout. First, when the layout is executed as the container is attached; and second, when you call layout() manually on the container. There are other ways in which a layout can execute that relate to cascading containers and layouts. After a container executes its layout, it determines if any of its children are containers.
An example ContentPanel container is shown in Figure 3-3. Figure 3-3. ContentPanel example 26 Developing with Ext GWT To get the body text of the ContentPanel to look just like Figure 3-3, I need to add a few styles to our application’s web page. css file located along with your HTML file. The GWT webAppCreator tool created this file, and it will be full of GWT-specific content. Since we won’t be using any of the existing content, remove all lines so the file is empty. css file looks similar. We’ll continue to add content to this CSS file in Chapter 6, when we implement a full application example.
Using the element attributes, QuickTip provides a quick solution to adding tool tips when you’re using templates or specifying the HTML markup directly. Developing with Ext GWT 45 QuickTip supports the following attributes: qtip: The tool tip message (required) qtitle: The title of the tool tip (optional) qwidth: The width of the toot tip (optional) Listing 3-23 adds a QuickTip to an Html widget. Listing 3-23. add(h); State Management Often when building a web application, you’d like to save some user setting or attribute based on information such as the user’s last setting, which tab they had open, or the check boxes they last clicked.
Developing with Ext GWT: Enterprise RIA Development by Grant Slender