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Vaadin Framework 7.4.0.rc1
Vaadin – thinking of U and I
Version 7.4.0.rc1
Version 7.4.0.rc1 built on 2015-02-10.
Release Notes for Vaadin Framework
7.4.0.rc1
- Overview of Vaadin
7.4.0.rc1 Release
- Change log for Vaadin
7.4.0.rc1
- Enhancements in Vaadin
7.4
- Incompatible or behavior-altering changes in
7.4
- Known issues in
7.4
- Limitations in
7.4
- Vaadin Installation
- Package Contents
- Migrating from Vaadin 6 to
Vaadin 7
- Vaadin 7.4.0.rc1
dependencies
- Upgrading to Vaadin
7.4
- Supported
technologies
- Vaadin on the Web
Overview of Vaadin 7.4.0.rc1 Release
Vaadin 7.4.0.rc1 is a feature release that includes a
number of new features and bug fixes, as listed in the list of enhancements and change log below.
Change log for Vaadin 7.4.0.rc1
This release includes the following closed issues:
#2794 Change IndexedContainer to use ItemAddedEvent and ItemRemovedEvent Vote #3087 Add freeze columns support to Grid Vote #3153 Auxiliary headers for Grid #3171 Grid should support partial updates Vote #5386 Multiple sort columns for Grid Vote #5542 Support adding components to Grid header and footer #6847 NativeSelect: support for focus and blur listeners #6876 TabSheet tab selection algorithm can be improved Vote #7225 Enhancement: CellStyleGenerator for Grid footer and header #7262 Grid should support a "select all" check box in the header #7749 declarative UI presentation API Vote #7850 Rewrite Table to be modular and extensible #8787 Multi selection in a grid should guarantee order #8942 Create a common wrapper for the two used JSON libraries #9030 Event captions should support HTML #9045 Optimize @JavaScript and @StyleSheet handling by including in html if possible #9426 Html Support for component Caption Vote #10672 BeanFieldGroup should use Introspection to determine property types. Vote #10975 DefaultFieldGroupFieldFactory.createEnumField not working as expected #11038 DefaultFieldGroupFieldFactory is not a singleton #11433 Possibility to use converters to format item captions in selection components #12087 DeploymentConfiguration should have dedicated methods for all init parameters used by Vaadin #12210 Load Push,Bootstrap script and themes with a version parameter #12371 FieldGroup.setDataSource() doesn't reset all previous Field values so ValueChangeListeners don't fire #12453 BeanFieldGroup is not able to buildAndBind a nested property by using three parameters #12645 Implement Escalator widget #12733 Make it possible to change URL of BrowserWindowOpener #12829 Implement base Grid component #12830 Grid column API #12878 Implement DataSource for Grid #12882 SQLContainer.removeAllItems() hangs while paging #12907 Support merging header/footer cells in Grid #12936 Polling do unnecessary layouting #12993 Cell Renderers for Grid #13024 Support changing column widths in Grid #13058 Support changing primary style names #13062 Grid should be com.vaadin.ui.Grid #13065 Grid should not be scrollable when disabled Priority #13180 Modal window allows browser navigation via backspace #13327 Implement programmatic scrolling for Grid #13334 Implement Grid #13416 AbstractSelectTargetDetails should implement getMouseEvent() #13492 Textfield value not updated when InputPromt and ShortcutListener are used #13579 Provide AbstractConnector constructor accepting and extending a conncetor #13611 Disallow eager layout while handling changes from the server #13710 Make setting viewport meta tag easy #13775 It should be possible to retrieve from a FieldGroup all fields that have failed validation Vote #13834 Support generated properties in Containers Vote #13883 Do not hard code TransactionalPropertyWrapper #14227 Call markAsDirty in AbstractComponentContainer when hierarchy changes #14253 Tomcat crashing when displaying Image created by null File #14348 NullPointerException in VTabSheet #14460 Add option to disable sending URLs as parameters #14522 Update to GWT 2.7 #14534 Upgrade to Atmosphere 2.2.3.vaadin2 and javascript 2.2.5.vaadin1 #14583 Add new StringTo<javadatatype>Converters to fully support all native Java data number types #14584 Add new RangeValidators to support more Java-native base types #14594 Elemental.json asserts if null system messages configured #14609 Allow HTML in TabSheet/Accordion tab captions Priority #14659 BeanItemContainer.getType() returns wrong value for properties with primitive type #14666 Compare Elemental JSON and org.json performance #14670 Make UI Class available in app class attribute #14714 Optimize client-side connector unregistering #14731 BeanFieldGroup.setItemDataSource(Item) does not accept null Priority #14742 Problem on getting the message of the CommitException using Vaadin 7.2.7 Priority #14748 Pick annotation scanning fixes for the vaadin atmosphere fork #14755 Add a clear() method to fields and field group #14756 Add StringToEnumConverter #14845 New project by NetBeans plugin contains SASS error: Unexpected token SASS_VAR found #14881 VPopupPanel does not compiles with gwt 2.7.0-SNPAHOT #14904 Show push version information in debug window #14925 Drop Opera 12 support Priority #15105 vaadin-themes manifest exports unconventional package names for OSGI #15193 ComboBox should use locale for filtering #15210 Support Android 5 #15228 Persist on-the-fly scss cache results #15276 Do not create String Writer where not needed #15281 Responsive does not work with setTheme #15342 DateField.setRangeStart fails if set to java.sql.Date #15354 Make AbstractFIeld.isEmpty public #15363 vaadin-archetype-application 7.3.6 mod request #15373 Allow handling loading indicator for ServerRPC in widget #15375 JSON version old #15383 Widgetset compilation fails if charts 2.x with 1.x license is included #15408 Window title does not use all available space. Gets truncated. #15411 Removing Grid header rows when scrolled causes a JS exception #15414 Atmosphere annotation processing takes a long time #15417 There is no Object to String converter Priority #15418 Grid doesn't update row height when theme is changed on the fly #15422 Grid resets scroll position on state change #15427 Disabled Grid should disallow interaction #15430 Don't log a warning message when not setting a renderer for strings (client side) #15436 Grid overlaps form in archetype #15440 Application example archetype should use @Viewport in 7.4 #15443 IndexOutOfBoundsException in RpcDataProviderExtension #15447 Add Table-compatible constructors to Grid #15449 Item double click support #15452 Super dev mode does not work #15454 Grid does not update correctly when rows are removed #15465 Grid shows only a small part of the data available #15475 Grid column shrink to fit occasionally broken on IE9 #15476 Adding rows to visible area of grid can cause issues #15482 getColumns returns a list of nulls after changing container in Grid #15485 Implement JavaScript renderer support #15486 Server-side cell style generator causes client-side exception if the selection checkbox column is visible #15487 Grid headers and footers create unnecessary cells #15488 Client-side exception thrown if selecting rows in Grid during initial rendering #15508 JsonCodec with elemental broken #15510 Client side grid has an odd import for GridColumnState #15511 Client side Grid speaks of header texts, not captions #15512 Server side Grid column getColumnProperty makes no sense #15534 SerializerTest.testSerialization() is not deterministic #15536 Invalid input in editor breaks editing in Grid #15544 Build a vaadin-widgets module #15545 Validate and fix declarative support for AbstractSelect #15546 Validate and fix declarative support for ComboBox #15547 Validate and fix declarative support for ListSelect #15548 Validate and fix declarative support for NativeSelect #15553 Grid/Escalator can not depend on Util #15555 Profiler should not depend on debug window classes #15556 No error handling in Grid Editor #15558 elemental.json.Json included in both vaadin-server.jar and vaadin-shared.jar #15560 Support JsonValue and subclasses in state and rpc #15561 Cache reference diffstate values #16173 many animated ProgressBars look annoying with animated background #16187 Grid's header deco element isn't recalculated appropriately #16189 Grid scrollToRow on init doesn't work. #16191 HeightMode.ROW in Grid does not always apply correctly #16192 Sorting grid with not used properties leads to client side exception #16194 Grid's sort event user origin wasn't always used. #16199 Grid.cancelEditor() does not discard changes #16200 Widgets in Grid cells are aligned poorly #16202 ProgressBarRenderer widgets should be 100% wide #16214 Opening Grid editor for row not visible causes exception in IE8 #16217 Widgets module depends on server/client/shared/compiler #16219 Grid does not tell you if you try to remove a non-existing column #16244 Make Grid data RPC send the value as Json instead of encoding it as a string #16259 Grid selection method javadocs and exception messages are needlessly technical #16260 ButtonRenderer button doesnt' have v-button style in Grid #16262 Client Grid.addColumn should return the exact column type given as a parameter #16273 Window caption is HTML although captionAsHtml is false #16275 Sorting multiple Grid columns with Shift key selects captions #16311 Grid throws an exception if using a Container not implementing Container.Sortable #16313 Validate and fix declarative support for DateField #16314 Validate and fix declarative support for PopupDateField #16315 Validate and fix declarative support for InlineDateField #16316 Validate and fix declarative support for ProgressBar #16317 Validate and fix declarative support for Tree #16320 Column can be set sortable even if container is not. #16322 Validate and fix declarative support for Link #16323 Validate and fix declarative support for Upload #16326 Validate and fix declarative support for RichTextArea #16333 Validate and fix declarative support for TwinColSelect #16341 Touch scrolling on Grid feels choppy on iOS #16388 Rename archetype-application to archetype-application-multimodule #16397 missing select all checkbox #16433 Grid produces incorrect human readable headers for nested properties #16474 Grid performance with lots of columns #16481 Grid RpcDataProviderExtension fails with sorting #16483 Grid allows non sortable properties column to be sortable Priority #16490 Broken OSGI dependencies in vaadin-server #16502 Grid Editor scroll lock resets with setEnabled #16505 Grid not visible in tab sheet fails on several operations #16509 Editor row CommitException should not be set as component error #16512 Grid.getEditorFieldFactory is missing #16513 Editor row field factory should only create inline fields #16515 It should be possible to easily handle commit errors in Grid editor #16521 Client vs. server renderer package naming is inconsistent #16522 Infinite loop in reading a design where a tag ends in a dash #16528 Add ValoTheme.UI_WITH_MENU to archetype UI's #16532 Grid uses wrong color variable for selected row color (Valo) #16533 Grid column widths are wrong in IE10 and IE11 #16534 Grid editor save/cancel buttons can be hidden underneath the footer #16538 It should be possible to decide which Grid columns are not editable #16542 Don't require DataSource implementors to implement indexOf #16551 Make it possible to change caption of grid editor save and cancel buttons #16554 Update framework to use Sass compiler 0.9.12 #16562 Grid Editor's save/cancel buttons should always be in view #16567 Unselecting a row in Grid is impossible #16572 DesignAttributeHandler cache is never used #16575 Grid Editor errors should be highlighted on a cell level #16581 Server unit tests fail when run in Eclipse #16582 Use non-blocking map for global Declarative caches #16591 Grid: mousewheel does not work in Safari when using webcomponents polyfill #16593 Grid editor theme redesign #16599 WidgetUtil.getRequired[Width|Height]BoundingClientRectDouble methods round up the return value #16602 Show commit error message from Grid editor to the user #16606 Grid calculates row widths wrong in Firefox #16634 Can't scroll in IE8-IE11 using scroll bar arrows Vote Enhancements Vaadin support users have voted for Priority Defects Vaadin support users have prioritized
You can also view the list
of the closed issues at the Vaadin developer's site.
Enhancements in Vaadin 7.4
The 7.4 includes many major and minor
enhancements. Below is a list of the most notable changes:
- Grid is a new component for showing tabular data. It has been
designed from the ground up to eventually replace the Table
and TreeTable components.
The most notable Grid features in 7.4 are:
- Support for multiple rows in the header and footer sections.
- Renderer concept for customizing how the data in a given column is represented in the browser.
- Support for frozen columns.
- Support for inline editing of one row at a time.
- Support for components in header and footer cells.
- Hardware accelerated, touch optimized scrolling.
- Declarative layout support for initializing a component hierarchy from an HTML file.
- Uses GWT 2.7 for improved compilation times when using Super Dev Mode.
- @Viewport annotation for declaratively defining a mobile viewport definition for a UI.
- Component captions, TabSheet/Accordion tab captions and Calendar event captions can be configured to be displayed as HTML.
- The vaadin-widgets JAR package containing only GWT Widgets intended for standalone use without the rest of the framework. Currently only contains Grid.
- Selects use converters when presenting itemids.
- Improved performance when server response contains no visual changes (e.g. empty polling responses).
- Development time on-the-fly scss compilation cache may now be preserved when redeploying or restarting the server.
- Unified JSON library for using the same API in both server-side and client-side code.
- Range validators and converters for additional numerical types.
- Support for fine grained add/remove item events in in-memory containers.
For enhancements introduced in Vaadin 7.3, see the Release
Notes for Vaadin 7.3.0.
Incompatible or behavior-altering changes in 7.4
-
The org.json and com.google.gwt.json libraries have been replaced by elemental.json.
JavascriptFunction.call parameter type has been changed to elemental.json.JsonArray, affecting JavaScript.addFunction, AbstractJavaScriptComponent.addFunction and AbstractJavaScriptExtension.addFunction
Raw JSON values passed to AbstractJavaScriptComponent.callFunction and AbstractJavaScriptExtension.callFunction should be changed to use elemental.json types.
- The semantics of empty and required for Field classes has been made more consistent. This mainly affects Checkbox which is now considered to be empty when it is not checked.
- The previously inconsistent behavior in HTML vs plain text rendering of Calendar event captions has been made consistent.
- Support for Opera 12 has been dropped. Newer versions based on the Blink rendering engine are still supported.
Known issues
- Drag'n'drop in a Table doesn't work on touch devices running
Internet Explorer (Windows Phone, Surface)
(#13737)
Limitations
It is currently not possible to specify font-size
as em or %, or layout component sizes
with em (#10634).
This
does not apply to Valo, but using em sizes to size layouts is discouraged,
because it results in fractional component sizes in many cases, which
might cause unwanted 1px gaps between components.
- Push is currently not supported in portals (See #11493)
- HTTP session can not be invalidated while using
push over websockets on Tomcat 7 (#11721)
- Cookies are not available while using websockets (#11808)
- Not all proxies are compatible with websockets or streaming.
Use long polling to avoid these problems.
Vaadin Installation
Vaadin is a Java framework for building modern web
applications that look great, perform well and make you and
your users happy. Vaadin is available under the
Apache License, Version 2.0 (see the
license.html
in the Vaadin ZIP or JAR package).
The easiest ways to install Vaadin are:
- If using Maven, define it as a dependency or use
any of the available archetypes (only vaadin-application
is available for Vaadin 7 at the time of this release)
to create a new project
- If using Eclipse, use the Vaadin Plugin for
Eclipse, which automatically downloads the Vaadin
libraries.
It is also available as a ZIP package downloadable from Vaadin Download
page.
Package Contents
Inside the ZIP installation package you will find:
- Separate server-side (vaadin-server) and
client-side (vaadin-client, vaadin-client-compiler)
development libraries
- Precompiled widget set (vaadin-client-compiled)
for server-side development
- Shared library (vaadin-shared) for both
server- and client-side libraries
- Built-in themes (vaadin-themes)
- Widgets for standalone client-side use (vaadin-widgets)
- Dependency libraries provided under the lib/
folder
See the
README.TXT
in the installation package for detailed information about
the package contents. Book
of Vaadin (for Vaadin 7) gives more detailed
instructions.
For server-side development, copy the
vaadin-server
,
vaadin-client-compiled
,
vaadin-shared
, and
vaadin-themes
from the main folder and the dependencies from the
lib
folder to the
WEB-INF/lib
folder of your Vaadin project. (The
vaadin-client-compiled
is necessary if you do not wish to compile the widget set by
your own, which you need to do if you use almost any add-on
components.)
For compiling the widget set, for instance when using Vaadin
add-ons with custom client-side implementation, you need to include
vaadin-client and vaadin-client-compiler on the
compiler classpath. Those JARs should be in a non-deployed project
library folder, such as lib.
Updates to the Packaging
Vaadin 7.4.0 introduces vaadin-widgets for pure
client-side development. This JAR only contains GWT Widgets
designed to be fully functional without Vaadin's server-side.
Migrating from Vaadin 6
All Vaadin 6 applications need some changes when migrating
to Vaadin 7. The most obvious changes are in the
application/window API and require extending either UI
or UI.LegacyApplication instead of Application.
A detailed list of migration changes are given in the Vaadin
7 Migration Guide.
Any custom client-side widgets need to be ported to use
the new client-server communication API, or the Vaadin 6
compatibility API.
Vaadin 6 add-ons (ones that contain widgets) do not work in
Vaadin 7 - please check the add-ons in Vaadin Directory
for Vaadin 7 support.
Vaadin 7.4.0.rc1 Dependencies
When using Maven, Ivy, Gradle, or other dependency
management system, all Vaadin dependencies are downloaded
automatically. This is also the case when using the Vaadin
Plugin for Eclipse.
The Vaadin ZIP installation package includes the
dependencies in the
lib
subfolder. These need to be copied to the
WEB-INF/lib
folder of the web application that uses Vaadin.
The dependencies are listed in the Licensing
description. Some are explicit dependencies packaged and
distributed as separate JARs, while some are included inside
other libraries.
Bean Validation
If you use the bean validation feature in Vaadin 7, you need
a Bean Validation API implementation. You need to install
the implementation JAR in the
WEB-INF/lib
directory of the web application that uses validation.
Upgrading from Vaadin 7.1 to Vaadin 7.4
When upgrading from an earlier Vaadin version, you must:
- Recompile your classes using the new Vaadin
version. Binary compatibility is only guaranteed for
maintenance releases of Vaadin.
- Unless using the precompiled widget set, recompile
your widget set using the new Vaadin version.
Remember also to refresh the project in your IDE to
ensure that the new version of everything is in use.
By using the "
?debug
" URL parameter, you can verify that the version of the
servlet, the theme, and the widget set all match.
Eclipse users should always check if there is a new
version of the Eclipse Plug-in available. The Eclipse
Plug-in can be used to update the Vaadin version in the
project (Project properties » Vaadin).
Maven users should update the Vaadin dependency
version in the
pom.xml
unless it is defined as
LATEST
. You must also ensure that the GWT dependency uses the
correct version and recompile your project and your widget
set.
Liferay and other portal users must install the
Vaadin libraries in
ROOT/WEB-INF/lib/ in the portal (and remove a
possibly obsolete older vaadin.jar). Additionally,
the contents of the vaadin-client-compiled and vaadin-themes
must be extracted to the ROOT/html/VAADIN directory
in the Liferay installation. If your portal uses custom
widgets, you can use
Liferay Control Panel for Vaadin for easy widget set compilation.
Notes and Limitations for Google App Engine
The following instructions and limitations apply when you
run a Vaadin application under the Google App Engine.
-
Applications must use GAEVaadinServlet
instead of VaadinServlet in
web.xml
.
-
Session support must be enabled in
appengine-web.xml
:
<sessions-enabled>true</sessions-enabled>
-
Avoid using the session for storage, usual App
Engine limitations apply (no synchronization, that
is, unreliable).
-
Vaadin uses memcache for mutex, the key is of the
form
_vmutex<sessionid>
.
-
The Vaadin VaadinSession class is serialized
separately into memcache and datastore; the memcache
key is
_vac<sessionid>
and the datastore entity kind is
_vac
with identifiers of the type
_vac<sessionid>
.
-
DO NOT update application state when serving an ConnectorResource
(such as ClassResource.getStream()).
-
The application remains locked during uploads - a
progress bar is not possible
For other known problems, see open tickets at developer site
dev.vaadin.com.
Supported Technologies
Vaadin 7 is compatible with Java 6 and newer. Vaadin
7 is especially supported on the following operating
systems:
- Windows
- Linux
- Mac OS X
Vaadin 7 requires Java Servlet API 2.4 but also
supports later versions and should work with any Java
application server that conforms to the standard. The
following application servers are supported:
- Apache Tomcat 5-8
- Apache TomEE 1
- Oracle WebLogic Server 10.3-12
- IBM WebSphere Application Server 7-8
- JBoss Application Server 4-7
- Wildfly 8
- Jetty 5-9
- Glassfish 2-4
Vaadin 7 supports the JSR-286 Portlet specification and all
portals that implement the specification should work. The
following portals are supported:
- Liferay Portal 5.2-6
- GateIn Portal 3
- eXo Platform 3
- IBM WebSphere Portal 8
Vaadin also supports Google App Engine.
Vaadin 7.4.0.rc1 supports the following desktop browsers:
- Mozilla Firefox 18-34
- Mozilla Firefox 17 ESR, 24 ESR, 31 ESR
- Internet Explorer 8-11
- Safari 6-8
- Opera 16-27
- Google Chrome 23-39
Additionally, Vaadin supports the built-in browsers in the
following mobile operating systems:
- iOS 5-8
- Android 2.3-5
- Windows Phone 8
Vaadin SQL Container supports the following databases:
- HSQLDB
- MySQL
- MSSQL
- Oracle
- PostgreSQL
Vaadin on the Web
- vaadin.com - The
developer portal containing everything you need to
know about Vaadin
- vaadin.com/demo
- A collection of demos for Vaadin
- vaadin.com/learn
- Getting started with Vaadin
- vaadin.com/forum
- Forums for Vaadin related discussions
- vaadin.com/book
- Book of Vaadin - everything you need to know about
Vaadin
- vaadin.com/api
- Online javadocs
- vaadin.com/directory
- Add-ons for Vaadin
- vaadin.com/pro-tools
- Commercial tools for Vaadin development
- vaadin.com/support
- Commercial support for Vaadin development
- vaadin.com/services
- Expert services for Vaadin
- vaadin.com/company
- Information about the company behind Vaadin
- dev.vaadin.com
- Bug tracker
- How
to get the source code of Vaadin