Introduction You might already heard of Reactive Programming – which is based on the Observer pattern. An Observable object can have more than one Observer. Once an observable object changes, all of its observers will be notified. A simple example is re-evaluating formulas (e.g. =B1+C1) and updating cells dynamically once the data was changed in […]

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In the upcoming ZK 8.6, we have added a new model – NavigationModel. This model is specialized for navigation. The basic idea comes from our previous small talks: ZK8 Wizard Example and Template Examples – Stepbar Navigation. Because these examples were well received, we decided to add this NavigationModel to the package and refined it […]

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Introduction In ZK 8.6 we will bring in three new molds for input widgets: Toggle and switch for the checkbox component, and knob for the slider component. With these new molds, we could present our web pages with more implication rather than the normal checked/unchecked or the normal number scoring. The three molds are exclusively designed […]

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​​We noticed an interesting library GoldenLayout and find it useful, so here it is, a flexible and powerful layout component is now presented in ZK 8.6 – the GoldenLayout component. Though ZK already have many useful layout components such as BorderLayout and TableLayout for arranging view, GoldenLayout provides us with more choices for web view layout. ​​GoldenLayout […]

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Web testing is an important part when developing a web application. It helps us to uncover the functionality and usability issues in our application. In a ZK application, we can already leverage ZATS for functional testing and Selenium WebDriver tests for the real browser testing. While ZATS is still the recommended tool to test your […]

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Introduction In the upcoming ZK 8.6, we will introduce a new layout component: Organigram, and three related components: Orgchildren, Orgitem, Orgnode. Organigram is a root component designed to display organizational chart by using tree data structure. To display a complete chart, we have to also use Orgchildren, Orgitem and Orgnode. These three components are part […]

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Introduction In the upcoming new version, ZK 8.6, we’d like to introduce you two new barcode components: Barcode and Barcodescanner. Barcode is a component that can easily render the barcode for web app developers. Barcodescanner is a scanner for decoding the barcode message which your camera scanned. ZK Barcode ZK provides a friendly and easy-to-use […]

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Introduction In the upcoming new ZK version 8.6, we are going to introduce two new components: Video and Camera, both are based on <video> in HTML5. The Video component is used to play the video in browsers. Users can specify video sources or combine with other components like Fileupload, Dropupload and Camera. In addition, it […]

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When it comes to ZK, “Ajax without Javascript” had been one of its well-known features, that Java developers can build a rich internet application without any knowledge of Ajax and JavaScript. However, in recent years, the trend is changing. You may have already started using some JavaScript libraries/frameworks like Angular, React or Vue.js to create […]

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ZK is renowned for its “Ajax without JavaScript” since day one. But now, ZK has decided to befriend with JavaScript. What’s the catch? “Ajax without JavaScript” is derived from ZK’s server-centric architecture, which uses a desktop-like programming model to shield developers from JavaScript and complicated server-browser communication. The focus on server-side Java application development makes […]

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