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Home » Eclipse Projects » Sapphire » How to listen for tab selection changes
How to listen for tab selection changes [message #1695835] Tue, 19 May 2015 16:48 Go to next message
Tomáš Milata is currently offline Tomáš MilataFriend
Messages: 15
Registered: March 2015
Junior Member
Hi,

I would like to be notified when a diagram tab is opened.

I have an editor with three tabs (tree-form editor, diagram and source) created like this. I tried to use the org.eclipse.ui.part.MultiPageEditorPart.addPageChangedListener(IPageChangedListener) method but the listener is triggered only when the tree-form editor tab is selected.

I seems to work if I override the getSelectedPage method from to return other than only IFormPage instances but I'm not sure if I'm using it the right way.

Do you know about a better solution?
Re: How to listen for tab selection changes [message #1695845 is a reply to message #1695835] Tue, 19 May 2015 17:42 Go to previous messageGo to next message
Konstantin Komissarchik is currently offline Konstantin KomissarchikFriend
Messages: 1077
Registered: July 2009
Senior Member
It looks like you may have hit a bug. SapphireEditor extends from FormEditor, so it's not entirely surprising that some aspects don't properly account for non-form pages. I'd like to re-write it at some point to extend directly from MultiPageEditorPart, but obviously it hasn't happened yet. It sounds like you may have found a fix as well. If you would like to propose a patch, the deadline for accepting patching for 8.2/9 releases is this Friday 5/22.
Re: How to listen for tab selection changes [message #1695871 is a reply to message #1695845] Tue, 19 May 2015 22:35 Go to previous messageGo to next message
Tomáš Milata is currently offline Tomáš MilataFriend
Messages: 15
Registered: March 2015
Junior Member
Well, I definitely won't make the whole rewrite to extends directly MultiPageEditorPart until Friday.

I a patch just to fix the single problem would be ok, I can try to create one, but I'd like to test it and unfortunately I cannot even build the clean cloned repository as I get following error:
    [untar] Expanding: /home/tomas/org.eclipse.sapphire/downloads/aba785507874f1c5ac1b8983f6f4444d.tar into /home/tomas/org.eclipse.sapphire/build/target-luna

BUILD FAILED
/home/tomas/org.eclipse.sapphire/build.xml:68: The following error occurred while executing this line:
/home/tomas/org.eclipse.sapphire/build.xml:131: The following error occurred while executing this line:
/home/tomas/org.eclipse.sapphire/build.xml:947: The following error occurred while executing this line:
/home/tomas/org.eclipse.sapphire/build.xml:931: The following error occurred while executing this line:
/home/tomas/org.eclipse.sapphire/build.xml:1441: The following error occurred while executing this line:
/home/tomas/org.eclipse.sapphire/build.xml:1451: The following error occurred while executing this line:
/home/tomas/org.eclipse.sapphire/build.xml:1462: Error while expanding /home/tomas/org.eclipse.sapphire/downloads/aba785507874f1c5ac1b8983f6f4444d.tar
java.io.IOException: Error detected parsing the header
	at org.apache.tools.tar.TarInputStream.getNextEntry(TarInputStream.java:292)
	at org.apache.tools.ant.taskdefs.Untar.expandStream(Untar.java:165)
	at org.apache.tools.ant.taskdefs.Untar.expandFile(Untar.java:114)
	at org.apache.tools.ant.taskdefs.Expand.execute(Expand.java:132)
	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
	at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
	at org.apache.tools.ant.Task.perform(Task.java:348)
	at org.apache.tools.ant.taskdefs.Sequential.execute(Sequential.java:68)
	at net.sf.antcontrib.logic.IfTask.execute(IfTask.java:217)
	at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
	at org.apache.tools.ant.TaskAdapter.execute(TaskAdapter.java:154)
	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
	at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
	at org.apache.tools.ant.Task.perform(Task.java:348)
	at org.apache.tools.ant.taskdefs.Sequential.execute(Sequential.java:68)
	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
	at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
	at org.apache.tools.ant.Task.perform(Task.java:348)
	at org.apache.tools.ant.taskdefs.MacroInstance.execute(MacroInstance.java:396)
	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
	at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
	at org.apache.tools.ant.Task.perform(Task.java:348)
	at org.apache.tools.ant.taskdefs.Sequential.execute(Sequential.java:68)
	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
	at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
	at org.apache.tools.ant.Task.perform(Task.java:348)
	at org.apache.tools.ant.taskdefs.MacroInstance.execute(MacroInstance.java:396)
	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
	at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
	at org.apache.tools.ant.Task.perform(Task.java:348)
	at org.apache.tools.ant.taskdefs.Sequential.execute(Sequential.java:68)
	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
	at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
	at org.apache.tools.ant.Task.perform(Task.java:348)
	at org.apache.tools.ant.taskdefs.MacroInstance.execute(MacroInstance.java:396)
	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
	at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
	at org.apache.tools.ant.Task.perform(Task.java:348)
	at org.apache.tools.ant.taskdefs.Sequential.execute(Sequential.java:68)
	at net.sf.antcontrib.logic.IfTask.execute(IfTask.java:197)
	at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
	at org.apache.tools.ant.TaskAdapter.execute(TaskAdapter.java:154)
	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
	at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
	at org.apache.tools.ant.Task.perform(Task.java:348)
	at org.apache.tools.ant.taskdefs.Sequential.execute(Sequential.java:68)
	at net.sf.antcontrib.logic.IfTask.execute(IfTask.java:197)
	at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
	at org.apache.tools.ant.TaskAdapter.execute(TaskAdapter.java:154)
	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
	at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
	at org.apache.tools.ant.Task.perform(Task.java:348)
	at org.apache.tools.ant.taskdefs.Sequential.execute(Sequential.java:68)
	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
	at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
	at org.apache.tools.ant.Task.perform(Task.java:348)
	at org.apache.tools.ant.taskdefs.MacroInstance.execute(MacroInstance.java:396)
	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
	at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
	at org.apache.tools.ant.Task.perform(Task.java:348)
	at org.apache.tools.ant.taskdefs.Sequential.execute(Sequential.java:68)
	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
	at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
	at org.apache.tools.ant.Task.perform(Task.java:348)
	at org.apache.tools.ant.taskdefs.MacroInstance.execute(MacroInstance.java:396)
	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
	at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
	at org.apache.tools.ant.Task.perform(Task.java:348)
	at org.apache.tools.ant.taskdefs.Sequential.execute(Sequential.java:68)
	at net.sf.antcontrib.logic.IfTask.execute(IfTask.java:197)
	at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
	at org.apache.tools.ant.TaskAdapter.execute(TaskAdapter.java:154)
	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
	at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
	at org.apache.tools.ant.Task.perform(Task.java:348)
	at org.apache.tools.ant.taskdefs.Sequential.execute(Sequential.java:68)
	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
	at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
	at org.apache.tools.ant.Task.perform(Task.java:348)
	at org.apache.tools.ant.taskdefs.MacroInstance.execute(MacroInstance.java:396)
	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
	at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
	at org.apache.tools.ant.Task.perform(Task.java:348)
	at org.apache.tools.ant.Target.execute(Target.java:435)
	at org.apache.tools.ant.Target.performTasks(Target.java:456)
	at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1393)
	at org.apache.tools.ant.Project.executeTarget(Project.java:1364)
	at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
	at org.apache.tools.ant.Project.executeTargets(Project.java:1248)
	at org.apache.tools.ant.Main.runBuild(Main.java:851)
	at org.apache.tools.ant.Main.startAnt(Main.java:235)
	at org.apache.tools.ant.launch.Launcher.run(Launcher.java:280)
	at org.apache.tools.ant.launch.Launcher.main(Launcher.java:109)
Caused by: java.lang.IllegalArgumentException: Invalid byte 32 at offset 7 in '       {NUL}' len=8
	at org.apache.tools.tar.TarUtils.parseOctal(TarUtils.java:134)
	at org.apache.tools.tar.TarUtils.parseOctalOrBinary(TarUtils.java:172)
	at org.apache.tools.tar.TarEntry.parseTarHeader(TarEntry.java:912)
	at org.apache.tools.tar.TarEntry.parseTarHeader(TarEntry.java:899)
	at org.apache.tools.tar.TarEntry.<init>(TarEntry.java:323)
	at org.apache.tools.tar.TarInputStream.getNextEntry(TarInputStream.java:290)
	... 155 more



Do you have any ideas how to fix it?
Re: How to listen for tab selection changes [message #1695881 is a reply to message #1695871] Wed, 20 May 2015 05:26 Go to previous messageGo to next message
Konstantin Komissarchik is currently offline Konstantin KomissarchikFriend
Messages: 1077
Registered: July 2009
Senior Member
Check the version of Java that's used. If it's Open JDK, try Oracle JDK. I don't really know what would cause this failure. The downloads are checksum checked. For it to fail in the untar phase, it had to have already verified that what it downloaded is intact.
Re: How to listen for tab selection changes [message #1695882 is a reply to message #1695881] Wed, 20 May 2015 05:31 Go to previous messageGo to next message
Konstantin Komissarchik is currently offline Konstantin KomissarchikFriend
Messages: 1077
Registered: July 2009
Senior Member
Check the version of Ant that's used too. It would probably be helpful to compare the initial part of your build output to what's produced on Hudson.

https://hudson.eclipse.org/sapphire/job/9.0.x/
Re: How to listen for tab selection changes [message #1695883 is a reply to message #1695882] Wed, 20 May 2015 05:33 Go to previous message
Konstantin Komissarchik is currently offline Konstantin KomissarchikFriend
Messages: 1077
Registered: July 2009
Senior Member
On Hudson, it's Ant 1.8.4 and Java 1.8.0_40.
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