ZK - Open Source Java Web Framework

Getting Simpler and Richer

• Please see New Features for more details
• To read about the philisophy 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 Tracker
  • ZK-1248: Sub menu should not overlap its parent in menupopup.
  • ZK-1351: Messagebox with no button
  • ZK-1397: DefaultTreeNode support empty children mean leaf node
  • ZK-1416: Support default Command and GlobalCommand handling
  • ZK-1465: Comet server push support HTML5 page-visibility API to reduce the server loading.
  • ZK-1474: Add onVisibilityChange event based on HTML5 page-visibility API
• Bugs fixed
  • ZK-1117: some wrong behavior in spinner and double spinner
  • ZK-1150: nbsp gets added to menuitem label in Firefox
  • ZK-1187: Setting an sClass on a selected tab results in tab losing z-tab-seld class
  • ZK-1192: SelectorComposer ConcurrentModificationException in GAE
  • ZK-1213: Calendar and datebox showing the wrong day number
  • ZK-1215: Mouseless selection not working properly in datebox and calendar
  • ZK-1217: Groupbox calculate a wrong hight after the groupbox be hide then show
  • ZK-1218: Doublebox says "not a number" when significant length extends beyond 15
  • ZK-1220: Instant textbox doesn't preserve the focus at position
  • ZK-1226: Problem With Parent of the Menupopup in Fullscreen
  • ZK-1234: Odd and Even background color not working on grid within a panel within another grid
  • ZK-1257: Filedownload.save(media, filename); is not returning as expected
  • ZK-1259: zul with hashmap not load key from a fx
  • ZK-1284: Grid/Listbox header and content horizontal synchronization in IE browser.
  • ZK-1295: setDisabled( false ) + setFocus() does not work on previously disabled buttons
  • ZK-1297: Listbox has wrong height when using "rows" and auxhead
  • ZK-1308: WireVariable does not wire a superclass field if a field with the same name is declared in a subclass
  • ZK-1309: Modal window loses it's modality in certain situation
  • ZK-1324: Trendy button doesn't change it's style properly when loosing focus
  • ZK-1336: Liferay 6.1 + JBoss 7.1 + ZK 6 : Cannot encode relative URLs
  • ZK-1337: Liferay 6.1 + JBoss 7.1 + ZK 6 : RenderHttpServletRequest & RenderHttpServletResponse don't respect STRICT_SERVLET_COMPLIANCE
  • ZK-1341: Datebox in zh_TW locale with 'Long + Medium' format failed to assign correct value
  • ZK-1345: ZK MessageLoader doesn't load customize MessageLoader
  • ZK-1348: First child tree node can't unfold sometimes
  • ZK-1349: If Cell style is specified, it overrides any previous component style setting
  • ZK-1350: Listbox multiple choice demo example does not work
  • ZK-1353: Datebox not work in Hebrew
  • ZK-1354: ZK generated page cannot pass W3C validator while checking as XHTML 1.0 Transitional
  • ZK-1356: Spinner doesn't update it's value in ipad
  • ZK-1357: Popupmenu doesn't show up when listening to onClick
  • ZK-1358: When I try to show a window with doOverlapped, doModal or doHighlighted my window don't appears
  • ZK-1366: When binding Radio's "selectedItem" with a non-String object, zk throws ClassCastException
  • ZK-1368: the right edge of the textboxes split over to a new line when you specify a percentage width and set the mold to rounded
  • ZK-1370: org.zkoss.zul.Datebox.setDisplayedTimeZones(List dtzones) NPE if emptied
  • ZK-1372: zk.stackUp not work with Firefox
  • ZK-1373: Doublebox should not allow the typing of non-numeric characteres achieved by alt-combinations such as @,# and �
  • ZK-1374: Unclosed BufferedReader for org.zkoss.util.media.ContentTypes
  • ZK-1377: Focus lost when tapping & change title value insides a window
  • ZK-1380: Forward uri can't be "zk/*" on Tomcat 7
  • ZK-1381: Show busy on panel with borderlayout is not working
  • ZK-1383: The value of Map.Entry returned from ListModelMap.getElementAt() don't support Serializable
  • ZK-1386: Server failed to load scrollview.css.dsp while using zk6.5 ee and setting theme to sapphire
  • ZK-1391: When a window is invisible at first, its top (or left) attribute takes no effect even we turn the window to be visible.
  • ZK-1400: Focus issue when Listbox in select mold after invalidate
  • ZK-1402: Borderlayout inside a window may not display properly on tablets
  • ZK-1403: Combobutton has a missing image icon when displayed on tablets
  • ZK-1404: Combining hbox/vbox/splitter may cause problems on tablets
  • ZK-1406: BorderLayout IPad2 rotating, North area size.
  • ZK-1407: Combobox focus style is lost after item selection
  • ZK-1413: ConcurrentModificationException in SelectorComposer when tomcat 6 startup
  • ZK-1418: Selectbox: Changing selection after changing a new model
  • ZK-1419: Constraint hover text is confusing
  • ZK-1420: textbox can't be load on android 2.x
  • ZK-1424: Treeitem with a lot of childrens takes too long to open
  • ZK-1425: Setting visible false on Listheader doesn't hide corresponding listfooter
  • ZK-1427: toolbarbutton with autodisable active upload function not work at second click
  • ZK-1428: Wrong order for item removed from ListModelList model
  • ZK-1430: Listbox in Bandpopup of a Bandbox is not size correctly - "rows" is ignored.
  • ZK-1431: Some components block loading while being included by another page with defer mode
  • ZK-1433: InputElement width not set when component is built by macro
  • ZK-1434: When use native tag to render row's cells, it doesn't works fine with zkmax.jar
  • ZK-1437: javascript error when use include with auto mode
  • ZK-1438: Composer doesn't be released when using @Subscribe
  • ZK-1441: Accordion Tabbox after rapid clicking on tabs start displaying content at fixed wrong hight.
  • ZK-1442: ZK Bind command doesn't work with cluster env
  • ZK-1446: get NotSerializableException when using @Subscribe in tomcat cluster env.
  • ZK-1448: Scrollable Menubar does not show left/right arrows on mobile devices
  • ZK-1452: Unknown stub error
  • ZK-1458: Right click on iPad does not work if there are both double click event handler and right click event handler
  • ZK-1462: Portalchildren and Renderdeferer cause a Javascript error
  • ZK-1463: Button is disabled and clickable if windows is from visible=false to true
  • ZK-1464: Console has Exception log when change src of include if bind to a textbox
  • ZK-1467: Resizable panels inside portallayout loses resizability after move
  • ZK-1468: Value doesn't be reload if it binds to @ref and in include
  • ZK-1469: argument type mismatch when try to get @ScopeParam with @ref value
  • ZK-1470: Horizontal scroll disappear with element frozen
  • ZK-1472: Cannot bind to include arg
  • ZK-1480: zkmax bandbox issue
  • ZK-1483: Scollbar issue with Listbox when items are selected
  • ZK-1488: UUID implementation change cause the context popup not work correctly
  • ZK-1490: Invoke north.getSize API cause JS error
  • ZK-1491: Tag template is not valid by zul.xsd
  • ZK-1492: Wrong model selection in onChange of combobox
  • ZK-1497: org.zkoss.bind.impl.BinderImpl cause ConcurrentModificationException
  • ZK-1498: The "import Classes" directive doesn't work for zscript
  • ZK-1499: When Panel contains Caption, it dose not display icon in tablets.
  • ZK-1500: Change Panel button settings during maximize event will cause Panel not resize properly.
  • ZK-1501: Grid Footer cannot scroll horizontally in tablets.
  • ZK-1505: "Processing..." progress bar not appears in 6.5.1
  • ZK-1511: &Progressbox not show with long operation
  • Package re-arrangement: ZK CKEditor is no longer shipped within the binary package. Download from here