Bug 11814 OpenExternalJavadoc action should not call findElement on JAR
This causes an exception: Java Model Exception: Java Model Status [Invalid path: C:/Java/IBM1.3/jre/lib/rt.jar.] at org.eclipse.jdt.internal.core.JavaProject.findElement(JavaProject.java:435) at org.eclipse.jdt.internal.ui.actions.OpenExternalJavadocAction.run(OpenExternalJavadocAction.java:102) at org.eclipse.ui.texteditor.RetargetTextEditorAction.run(RetargetTextEditorAction.java:103) at org.eclipse.jface.action.Action.runWithEvent(Action.java:473) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:407) at org.eclipse.jface.action.ActionContributionItem.handleWidgetEvent(ActionContributionItem.java(Compiled Code)) at org.eclipse.jface.action.ActionContributionItem$ActionListener.handleEvent(ActionContributionItem.java(Compiled Code)) at org.eclipse.jface.action.ActionContributionItem$ActionListener.handleEvent(ActionContributionItem.java(Compiled Code)) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java(Compiled Code)) at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java(Compiled Code)) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java(Compiled Code)) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java(Compiled Code)) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java(Compiled Code)) at org.eclipse.ui.internal.Workbench.run(Workbench.java:698) at org.eclipse.core.internal.boot.InternalBootLoader.run(InternalBootLoader.java:777) at org.eclipse.core.boot.BootLoader.run(BootLoader.java:319) at java.lang.reflect.Method.invoke(Native Method) at org.eclipse.core.launcher.Main.basicRun(Main.java:196) at org.eclipse.core.launcher.Main.run(Main.java:555) at org.eclipse.core.launcher.UIMain.main(UIMain.java:52) 4 org.eclipse.jdt.core 979 Invalid path: C:/Java/IBM1.3/jre/lib/rt.jar.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/buildpaths/BuildPathsBlock.java
fLibrariesPage.init(fCurrJProject);
			fProjectsPage.init(fCurrJProject);
		}		
						
		Composite editorcomp= new Composite(composite, SWT.NONE);	
	
		DialogField[] editors= new DialogField[] { fBuildPathDialogField };
		LayoutUtil.doDefaultLayout(editorcomp, editors, true, 0, 0);
		
		int maxFieldWidth= converter.convertWidthInCharsToPixels(40);
		LayoutUtil.setWidthHint(fBuildPathDialogField.getTextControl(null), maxFieldWidth);
		LayoutUtil.setHorizontalGrabbing(fBuildPathDialogField.getTextControl(null));
	
		editorcomp.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
		
		if (fIsNewProject) {
			folder.setSelection(0);
			fCurrPage= fSourceContainerPage;
		} else {
			folder.setSelection(3);
			fCurrPage= ordpage;
			fClassPathList.selectFirstElement();
		}
		WorkbenchHelp.setHelp(composite, IJavaHelpContextIds.BUILD_PATH_BLOCK);				
		return composite;
	}
	
	private Shell getShell() {
		if (fSWTWidget != null) {
			return fSWTWidget.getShell();