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-1993: Get to the component of validation message from code
  • ZK-2535: Accessibility support for panel/window buttons
  • ZK-2642: Check if included html file will produce duplicated html, head and body tag
  • ZK-2677: Provide a way to customize style and icon of Errorbox
  • ZK-2817: Support combination of Ctrl, Alt and Shift for setCtrlKeys API
  • ZK-2902: make INVALIDATE_THRESHOLD configurable
  • ZK-2931: Atlantic theme @import google fonts
  • ZK-2944: Support Shadow element selector
  • ZK-2950: Support a way to persist the Shadow element
  • ZK-2951: Support a way to trigger MVVM command silently
  • ZK-2953: Support a way to get the invalid value from ValidationMessages with the given key
  • ZK-2959: Support customized class for getting content-type
  • ZK-2993: add an option to enable deferrable/lazy @save() bindings
  • ZK-3039: defining a template "component" in lang-addon.xml
  • ZK-3041: Creatable chosenbox should be able to create new tag when typing subword of existing options
• Bugs Fixed
  • ZK-1590: Doesn't listen to w:onShow
  • ZK-2329: NPE at org.zkoss.zk.au.http.AuUploader.service(AuUploader.java:115)
  • ZK-2461: Odd layout when adding columns dynamically
  • ZK-2742: Combobox popup shows at wrong position in IE10
  • ZK-2787: 8.0.0-RC1 breaks ZkToDo2 demo with ZK error "cannot create proxy java.sql.Timestamp empty constructor needed"
  • ZK-2808: constructor call causes NPE in ZK bind expression
  • ZK-2809: missing error message for zul import directive
  • ZK-2840: Cannot scroll down a Grid with a mobile browser
  • ZK-2841: Unselecting a Navitem form Java does update the UI
  • ZK-2849: Cannot close the dropdown by clicking combobox button
  • ZK-2858: content type list is not complete in the contentType.properties file
  • ZK-2859: setting an ID on treeItem cause duplication issue with paging mold
  • ZK-2860: grid row doesn't stripe the grid when .setVisible(false)
  • ZK-2862: Cannot select an item in a listbox when its outer listbox is draggable
  • ZK-2866: auxiliary headers will disapear when using <frozen/>
  • ZK-2872: Dropupload dropzone doesn't disappear after incomplete action on IE 11
  • ZK-2874: onBookmarkChange isn't triggered on sendRedirect with 7.0.6.1
  • ZK-2879: The "rows" attribute of Frozen doesn't work
  • ZK-2885: chosenbox create message escaping
  • ZK-2887: datebox calendar control mostly hidden on ipad
  • ZK-2888: support chrome on ios
  • ZK-2890: Ghost and Drag Message from Tree / Treeitem
  • ZK-2891: Hflex/Vflex cause modal windows to be vertically centered
  • ZK-2892: Modal window are not centered if content is resized by hflex
  • ZK-2893: small typo in error message in ConfigParser
  • ZK-2895: hflex cause slider without width to throw "Not allowed to set hflex and width" exception
  • ZK-2899: Listbox's select mold issue on Firefox
  • ZK-2901: getBoundingClientRect() is slow in ie
  • ZK-2906: Escaped characters are not parsed back in ChosenBox > CreateMessage
  • ZK-2907: There is no element defined for <captcha> in zul.xsd
  • ZK-2908: ZK8 hflex/vflex not working in Captcha
  • ZK-2911: Fail to assign a variable declared in zscript to a custom attribute in the page scope
  • ZK-2912: Specifying a non-existing variable in "unless" attribute causes a NullPointerException
  • ZK-2913: Specifying a non-existing variable in "test" attribute of <if> causes a NullPointerException
  • ZK-2915: collection template side effect
  • ZK-2917: MVVM relocating components with ViewModels
  • ZK-2918: SelectAll checkbox only unselect the currently rendered items in Listbox
  • ZK-2919: WrongValueException prevents combobox from saving value
  • ZK-2920: Chosenbox in popup loose value in IE 10
  • ZK-2921: Loading a null variable in a load binding throws a NullPointerException
  • ZK-2922: Cannot close an error box after multiple error boxes created in firefox
  • ZK-2923: side effects when calling notify change on a null value
  • ZK-2925: childrenbinding exception on clear()
  • ZK-2927: Children binding add and reload model
  • ZK-2928: Clear user input doesn't sent a onChange and onSelect
  • ZK-2930: Setting a model to a Chosenbox causes a NullPointerException
  • ZK-2934: A control in a grid row does not count as a focusable control when giving focus to the first element of a modal window
  • ZK-2935: A modal window with no focusable control will give focus to background element on tab focus.
  • ZK-2936: NotSerializableException: org.zkoss.io.RepeatableInputStream$ResetableInputStream
  • ZK-2937: The Combobox overwrites input text with previously selected item
  • ZK-2938: Mutual blocking setHeight-setVflex and setWidth-setHflex is not satisfactory.
  • ZK-2939: visible="false" listitems in listbox shift index of visible elements
  • ZK-2940: Combobutton is not tab focusable if no tabIndex or tabindex="0"
  • ZK-2941: Combobutton has not keyboard behavior
  • ZK-2943: The root template should be added to page scope
  • ZK-2946: tree column align ignored
  • ZK-2948: Do listen "OnBind" again in Data handler when a widget trigger rerender()
  • ZK-2957: data-handler feature doesn't work with zhtml.Widget's
  • ZK-2958: Error "Removal causes a larger list?" on Combobox
  • ZK-2964: datebox format for time notation bug
  • ZK-2968: listbox rows-attribute ignored on ipad
  • ZK-2969: onSelect / onCheckSelectAll events not consistent (paging)
  • ZK-2970: input fields losing focus in listbox
  • ZK-2971: listbox scrollposition not updating (keyboard control)
  • ZK-2974: Constraint error box's tooltip is confusing in German
  • ZK-2977: A combobox popup displays at an unexpected position
  • ZK-2978: Borderlayout doesn't appear a vertical scrollbar when its content overflows
  • ZK-2979: OSGi: Split Packages of javassist.util.proxy
  • ZK-2980: button not focussable after it was autodisabled
  • ZK-2982: apply shadowElement problems with serialization
  • ZK-2983: "Invalidate" corrupts the selection displayed in chosenbox
  • ZK-2984: inconsistent contains()/remove() behavior
  • ZK-2987: Going to the last page causes an empty-like listbox
  • ZK-2988: column with hflex min causes JS error in grid with footer
  • ZK-2990: zk.useStackup: problem with notifications and z-index
  • ZK-2991: <data-handler> doesn't accept <script>inline script</script>
  • ZK-2992: Using ZK PE - Grid does not scroll and scrollbar breaks in iPad
  • ZK-2994: Removal causes a larger list in nested children binding
  • ZK-2995: NamespaceParser should work with non-ZK namespace
  • ZK-2996: datebox unknown constraint when debug-js is enabled
  • ZK-2999: Calling tree.selectAll() doesn't select all items on a browser
  • ZK-3000: ListSubModel doesn't support selection from model in chosenbox
  • ZK-3006: If the separator key needs to press the shift key, it doesn't work as expected
  • ZK-3007: grid master detail columns not aligned
  • ZK-3008: combopopup overlapping inputfield
  • ZK-3009: infinite loop with recursive apply-template
  • ZK-3010: chosenbox with listsubmodel does not fire onSearchEvent
  • ZK-3011: zhtml img src ignored before added to page
  • ZK-3013: unexpected events on Combobox with Grid+RowRenderer
  • ZK-3014: Bandpopup content Listbox with hflex="min" get a 1px width if Listbox is updated while popup is not visible
  • ZK-3015: Combobox model setSelection does not update the textbox
  • ZK-3016: scrollable tabs problems with dynamic tab labels
  • ZK-3017: problems with complex regex
  • ZK-3020: NotSerializableException: java.util.logging.Logger is caused by TrackerImpl
  • ZK-3021: lost variable in nested children-binding
  • ZK-3022: NPE when expand all node of Tree by set isOpen = true for all TreeItem
  • ZK-3023: Bandpopup and bandpopup-shadow width cause overlapping / unwanted scrollbar
  • ZK-3026: ChildrenBinding breaks when adding an element not to the end of the ListModelList
  • ZK-3040: icon disappears in IE8 on mouse hover
  • ZK-3042: Theme demo source out of sync with theme demo from official site
  • ZK-3044: ZK 8 popup/context/tooltip binding via EL/ZK-Bind
  • ZK-3045: Memory leak in MVVM binding
  • ZK-3046: childrenBinding - conditional item rendering
  • ZK-3048: Listheaders are mis-aligned with listcells under non-nativebar
  • ZK-3049: Combobox drop-down button behavior with inplace="true"
  • ZK-3051: Combobox drop-down menu cover the input textbox
  • ZK-3053: the ZK processing bar is shown unexpectedly
  • ZK-3059: hflex="min" doesn't consider child components' margin
  • ZK-3062: vflex="min" doesn't consider a component's margin
  • ZK-3066: custom resolvers doesn't work while BindELResolver has outcommented DynamicPropertiedELResolver
  • ZK-3077: Focus class is not removed on listitem on unselection when draggable is active
  • ZK-3089: Upload dialogue open again after click 'cancel'
• Upgrade Notes
Rename the method of ListModelArray, ListModelList, and ListModelSet from update(E) to notifyChange(E).