RCP应用程序活动
问题描述:
我的RCP应用程序出现问题。RCP应用程序活动
首先,我在plugin.xml中定义的活动:
<extension
point="org.eclipse.ui.activities">
<activity
id="myproject.view.input.activity"
name="myproject.view.input.activity">
<enabledWhen>
<with
variable="myproject.view.input.active">
<equals
value="ENABLED">
</equals>
</with>
</enabledWhen>
</activity>
<activityPatternBinding
activityId="myproject.view.input.activity"
pattern="myproject.gui/myproject.view.input">
</activityPatternBinding>
然后我定义我的SourceProvider:
<extension
point="org.eclipse.ui.services">
<sourceProvider
provider="myproject.util.CommandState">
<variable
name="myproject.view.input.active"
priorityLevel="workbench">
</variable>
最后,我CommandState类:
public class CommandState extends AbstractSourceProvider {
public final static String OUTPUT_VIEW = "myproject.view.input.active";
// then goes some others variables, i just skip them
// ....
public final static String [] ACTIONS = {OUTPUT_VIEW /*and all others variables*/};
public final static String ENABLED = "ENABLED";
public final static String DISENABLED = "DISENABLED";
private final Map <String, String> currentState = new HashMap <String, String>();
@Override
public void dispose() {
}
@Override
public String[] getProvidedSourceNames() {
return ACTIONS;
}
@Override
public Map <String, String> getCurrentState() {
return currentState;
}
public void setEnabled(boolean enabled, String [] commands) {
String value = enabled ? ENABLED : DISENABLED;
for (String command : commands) {
currentState.put(command, value);
fireSourceChanged(ISources.WORKBENCH, command, value);
}
}
}
在我的登录窗口中,应用程序检查用户权限,并启用或禁用视图,命令等与se CommandState的tEnabled方法。对于命令它工作正常,他们正在启用或禁用正确(我禁用他们以其他方式,但它工作正常,即使我禁用他们通过活动,以我所述的相同方式)。但是,当我尝试禁用视图和开放的角度来看,包含视图(myproject.view.input),它会打开没有这一观点,而且还抛出异常:
!ENTRY org.eclipse.ui 4 4 2011-11-16 15:54:43.284
!MESSAGE Exception in org.eclipse.ui.internal.PageLayout.addView: org.eclipse.ui.PartInitException: Could not create view: myproject.view.input
!ENTRY org.eclipse.ui 4 4 2011-11-16 15:54:43.321
!MESSAGE Exception in org.eclipse.ui.internal.PageLayout.addView: org.eclipse.ui.PartInitException: Could not create view: myproject.view.input
!STACK 1
org.eclipse.ui.PartInitException: Could not create view: myproject.view.input
at org.eclipse.ui.internal.ViewFactory.createView(ViewFactory.java:158)
at org.eclipse.ui.internal.LayoutHelper.createView(LayoutHelper.java:162)
at org.eclipse.ui.internal.PageLayout.createView(PageLayout.java:543)
at org.eclipse.ui.internal.PageLayout.addView(PageLayout.java:416)
at org.eclipse.ui.internal.PageLayout.addStandaloneView(PageLayout.java:894)
at org.eclipse.ui.internal.registry.PerspectiveExtensionReader.processView(PerspectiveExtensionReader.java:295)
at org.eclipse.ui.internal.registry.PerspectiveExtensionReader.processExtension(PerspectiveExtensionReader.java:118)
at org.eclipse.ui.internal.registry.PerspectiveExtensionReader.readElement(PerspectiveExtensionReader.java:355)
at org.eclipse.ui.internal.registry.RegistryReader.readElements(RegistryReader.java:144)
at org.eclipse.ui.internal.registry.RegistryReader.readExtension(RegistryReader.java:155)
at org.eclipse.ui.internal.registry.RegistryReader.readRegistry(RegistryReader.java:176)
at org.eclipse.ui.internal.registry.PerspectiveExtensionReader.extendLayout(PerspectiveExtensionReader.java:82)
at org.eclipse.ui.internal.Perspective.loadPredefinedPersp(Perspective.java:818)
at org.eclipse.ui.internal.Perspective.createPresentation(Perspective.java:270)
at org.eclipse.ui.internal.Perspective.<init>(Perspective.java:156)
at org.eclipse.ui.internal.tweaklets.Workbench3xImplementation.createPerspective(Workbench3xImplementation.java:55)
at org.eclipse.ui.internal.WorkbenchPage.createPerspective(WorkbenchPage.java:1672)
at org.eclipse.ui.internal.WorkbenchPage.busySetPerspective(WorkbenchPage.java:1034)
at org.eclipse.ui.internal.WorkbenchPage.access$16(WorkbenchPage.java:1025)
at org.eclipse.ui.internal.WorkbenchPage$19.run(WorkbenchPage.java:3715)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
at org.eclipse.ui.internal.WorkbenchPage.setPerspective(WorkbenchPage.java:3713)
at org.eclipse.ui.handlers.ShowPerspectiveHandler.openPerspective(ShowPerspectiveHandler.java:146)
at org.eclipse.ui.handlers.ShowPerspectiveHandler.openOther(ShowPerspectiveHandler.java:118)
at org.eclipse.ui.handlers.ShowPerspectiveHandler.execute(ShowPerspectiveHandler.java:57)
at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:293)
at org.eclipse.core.commands.Command.executeWithChecks(Command.java:476)
at org.eclipse.ui.internal.handlers.HandlerService.executeCommand(HandlerService.java:178)
at org.eclipse.ui.internal.handlers.SlaveHandlerService.executeCommand(SlaveHandlerService.java:247)
at org.eclipse.ui.actions.PerspectiveMenu.runOther(PerspectiveMenu.java:376)
at org.eclipse.ui.actions.PerspectiveMenu$3.runWithEvent(PerspectiveMenu.java:130)
at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584)
at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501)
at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1258)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3540)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3161)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2640)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2438)
at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:671)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:664)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at myproject.arm.demo.Application.start(Application.java:28)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:369)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:620)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:575)
at org.eclipse.equinox.launcher.Main.run(Main.java:1408)
at org.eclipse.equinox.launcher.Main.main(Main.java:1384)
!SUBENTRY 1 org.eclipse.ui 4 0 2011-11-16 15:54:43.322
!MESSAGE Could not create view: myproject.view.input
我试图调试我的申请,前打开我的观点whith那视图,我检查了我的CommandState源提供程序的currentState,并且所有图片都可以:所有变量值都正确并且myproject.view.input.active = DISABLED
任何人都可以说,为什么会抛出异常?感谢您的任何帮助,或任何想法。对不起,大柱和脏话
*编辑:添加了完整的堆栈跟踪
答
的系统工作。一项活动可以使用户看不到视图或向导,但可以让他们有意识地显示它。
启用了的活动当元素也从视图注册表中删除视图时,因此用户无法故意显示它,即使他们想要。这是为了防止用户在RCP应用程序中打开管理视图。
您已将视图添加到您的视角,并且如果您的活动被禁用,就好像该视图定义不存在一样。
您应该将该视图添加为视图占位符或管理员透视图。如果用户使用管理员角色登录,则可以显示视图或选择管理员视角。
听起来不像它与活动定义有任何关系。我们需要stacktrace以获得进一步的帮助... –