Behind the scenes

• To read about the philosophy behind ZK 6.5, please visit this blog

Feature Updates

• 120+ off-the-shelf Ajax components
  • Tabbox, grid, listbox, tree, menu, combobox, bandbox, datebox, chart, hbox, vbox, window, slider, paging, audio, image, timer, include, iframe...
  • Drag-and-drop supported by all components, such that users can drag components and drop them to any other or particular set of components.
  • Context menus and customizable tooltips supported by all components, such that a menu or any popup appears when user click, right-click or move the mouse over a component.
  • Customizable sorting of listbox, grid and children of any component with 100% Java codes (java.lang.Comparator).
  • Auto-completion for combobox.
  • Load on demand with writing Java codes.
  • Live data for listbox.
  • Grids, listboxes and trees with sizable columns.
  • All components are cloneable and serializable.
  • Validation and formatting for any input components, such as regular expression and $#,##0.
  • 100% Java API of Google Maps, CKeditor, and Timeline components.
• Event-driven, server-centric model
  • Ajax requests, application notification, and server push are all managed as events
  • Event Queue shields developers from the complexity of Ajax and server push, such as multi-thread programming
  • All events are processed at the server. No hurdle to communicate between clients and servers.
  • All events are synchronized. No racing condition to worry about.
• ZK User-interface Markup Language (ZUML).
  • Rich user interface could be designed in ZUML as simple as authoring HTML pages.
  • Powerful yet intuitive control flow by the if, unless and forEach attribute.
  • Scripting in EL expressions and your favorite scripting languages, include but not limited to Java, JavaScript, Ruby and Groovy.
  • Hot changes and updates without restarting your Web applications.
  • Annotations that allow a page to access database with zero Java codes.
• Browser history management.
  • Add states to browser's back button history. Then, users can bookmark and use the back and forward button to navigate different states of the same ZK desktop.
• Simple yet boundless component model.
  • POJO components supporting interfaces and clustering. Easy to instantiate and manipulate directly with pure Java, or injected and managed by an AOP framework, such as Spring
  • Macro components. Develope full-featured new component by using other ZUML pages.
  • Inheritable customization. Developing a new component by extending existent components.
  • Seamlessly and easily to encapsulate pure-client components as ZK components with 100% Java API.
  • Customizing components with pre-compiled Java classes, or by scripting in your favorite scripting languages, include but not limited to Java, JavaScript, Ruby and Groovy. The choice is yours.
• Simple yet flexible threading model.
  • Thread-safe component handling.
  • True server-side Modal dialog.
  • Suspend and resume event listeners freely.
• 100% Customizable User-Interface factory.
  • Loading ZUML pages not only from Web contents but also any repository such as database.
  • Customizing the features of sessions, desktops and pages.

What's New

• New Features
  • ZK-2227: ZK Messages support Polish lang
• Bugs fixed
  • ZK-1746: Chosen box with huge data - Performance issue
  • ZK-2040: The submenu has no space to unfold to the right and needs to open on the left side.
  • ZK-2056: XSS Vulnerability in AuUploader
  • ZK-2080: Chosenbox with ListSubModel not working if using template to render data
  • ZK-2091: Copy-paste large value in doublebox get error.
  • ZK-2105: EventQueue still sending request even it is removed by EventQueues.remove() API when using PollingServerPush
  • ZK-2111: Button fileupload sometimes not work when using strong CSS font style
  • ZK-2116: possible XSS Vulnerability for Listcell
  • ZK-2119: Second level menupopup opened and closed immdiately when moving mouse in IE
  • ZK-2127: Annotation data binding doesn't work properly with ZK 6.5.3 and later
  • ZK-2138: vflex="1" not working properly with groupbox
  • ZK-2140: Multiple select with Shift key does not work properly
  • ZK-2143: Filedownload should support chinese file name
  • ZK-2169: CometServerPush.getStartScript() should include org.zkoss.zkex.ui.comet.smartconnection.disabled in ee version
  • ZK-2172: Biglistbox with frozenCols missing data
  • ZK-2178: NullPointerException showed when biglistbox doesn't provide any MatrixModel
  • ZK-2185: Setting listitems draggable&droppable makes inner listbox not showing correctly in mold=select
  • ZK-2193: Listbox will scroll in horizontal direction when navigation by keyboard
  • ZK-2200: Navigate combobox drop down list by "down" key not work correctly if contains empty string
  • ZK-2210: improve zk portlet 2 integration
  • ZK-2211: Popup position not properly fixed in listbox
  • ZK-2213: Possible problem with invalidate in groupbox for mobile version
  • ZK-2214: [IE8] grid frozen no show horizontal scroll bar when column visible = "false"
  • ZK-2231: Invisible window inside vbox cause js error when calculating flex size
  • ZK-2247: nested iframe reloading content when detached parent window
  • ZK-2267: Popup is only sometimes "visible" when it is opened