AFAIK Magnolia 5.5 still relies on Vaadin 7.7, which again depends on a GWT
version that doesn't support Java 8 language level.
On the other hand it looks like even the widgetsets of Magnolia 5.5.x habe
lambda expressions, e.g.
[code]
addStateChangeHandler("hasCloseButton", stateChangeEvent -> {
if (getState().hasCloseButton) {
view.showCloseButton();
}
});
[/code]
This is out from magnolia-ui-vaadin-common-widgets-[b]5.5.6[/b].
This gives me errors like
[code]
Tracing compile failure path for type
'info.magnolia.ui.vaadin.gwt.client.dialog.connector.BaseDialogConnector'
[INFO] [ERROR] Errors in
'jar:file:/C:/Users/Christian/.m2/repository/info/magnolia/ui/magnolia-ui-vaadin-common-widgets/5.5.6/magnolia-ui-vaadin-common-widgets-5.5.6.jar!/info/magnolia/ui/vaadin/gwt/client/dialog/connector/BaseDialogConnector.java'
[INFO] [ERROR] Line 67: Lambda expressions are allowed only at source
level 1.8 or above
[/code]
when using [code] <sourceLevel>1.7</sourceLevel>[/code] for the
vaadin-maven-plugin
When setting [code] <sourceLevel>1.8</sourceLevel>[/code] there are exceptions
like this:
[code]
[ERROR] Source level must be one of [auto, 1.6, 1.7].
[ERROR] Google Web Toolkit 7.7.0
[ERROR] Compiler [-logLevel level] [-workDir dir] [-[no]compileReport]
[-X[no]checkCasts] [-X[no]classMetadata] [-[no]draftCompile]
[-[no]checkAssertions] [-X[no]closureCompiler] [-XfragmentCount numFragments]
[-XfragmentMerge numFragments] [-gen dir] [-[no]incr
ementalCompileWarnings] [-XjsInteropMode [NONE, JS, CLOSURE]] [-missingDepsFile
file] [-Xnamespace PACKAGE, NONE] [-optimize level]
[-[no]overlappingSourceWarnings] [-[no]saveSource] [-style style]
[-[no]failOnError] [-X[no]enforceStrictResources] [-[no]validate
Only] [-sourceLevel [auto, 1.6, 1.7]] [-localWorkers count] [-[no]incremental]
[-war dir] [-deploy dir] [-extra dir] [-saveSourceOutput dir]
[-XmethodNameDisplayMode NONE | ONLY_METHOD_NAME | ABBREVIATED | FULL] module[s]
[/code]
sourceLevel=auto doesn't do the trick either
How can I create custom widgetsets for Mgnl 5.5.x?
Thx
--
Context is everything:
http://forum.magnolia-cms.com/forum/thread.html?threadId=84b0c566-c5e6-48ed-b29c-8b15e194a7bd
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