Modal Capsules For Dynamic Web Applications

WebRocketX makes implementing modal dialogs simple. Modals are nothing more than standard Meta Capsules containing layout that allows them to float above the page. The framework does the rest of the heavy lifting by managing the modals z-index and preventing users from interacting with layout in background.

Implementing a Modal Capsule

Including content in a modal capsule will result in the content being floated above the background page. The majority of this floating affect is simply done using HTML styles. However, the WebRocketX framework completes the modal behavior by placing an invisible blocking layer behind the modal popup which keeps the user from interacting with the background page. Additionally, the framework places each consecutive modal page on a higher z-index so that it is possible to have an endless number of modal layers. Clean well defined modal architecture is a hallmark of rich user interface desktop operating system applications. The goal of WebRocketX is to make writing web applications that are just as rich and user friendly as desktop applications into a simple, and straighforward process.

WebRocketX also adds each modal target to the browser stack, which means the back button on the browser will roll backwards through the modal hierarchy with each click.

Since WebRocketX operates within standard javascript and HTML, it works perfectly with JQuery plugins, so making these modal layers draggable and resizeable is simple.

Shown below is an example of content being delivered in a modal capsule. Notice how the content extends the modal capsule, and then the modal capsule extends the meta capsule. A development team should have just one modal capsule template and one meta capsule template for their entire web application. The rest of their development time can be spent efficiently extending them with content. Keep in mind though, that all of these templates are just conveniences that help the developer standardize their layout. If the developer prefers to just code straight HTML they are also free to do that, as long as there content is wrapped in capsule divs.

HTML/JSP Code showing the usage of a Modal Capsule Template

Modal Capsule Template

Below is an example Modal Capsule Template. Notice that it mostly consists of a Meta Capsule that wraps layout. The rest of the magic is a combination of CSS and Jquery UI Drag and Drop. To see the CSS and the usage of jquery UI in the callbacks feel free to download the Demo Application.

HTML/JSP Code showing a Modal Capsule Template

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