Bug 85452 [IDE] (regression) Backdrop missing when all perspectives closed
I20050215-2300 - close all perspectives - the main page is blank - it should have a backdrop with text and button explaining how to open a perspective
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/IDEWorkbenchWindowAdvisor.java
title = ""; 
        }
        String workspaceLocation = wbAdvisor.getWorkspaceLocation();
        if (workspaceLocation != null) {
            title = IDEWorkbenchMessages
                    .format(
                            "WorkbenchWindow.shellTitle", new Object[] { workspaceLocation, title }); 
        }
        IWorkbenchPage currentPage = window.getActivePage();
        if (currentPage != null) {
            IEditorPart editor = currentPage.getActiveEditor();
            if (editor != null) {
                String editorTitle = editor.getTitle();
                title = IDEWorkbenchMessages
                        .format(
                                "WorkbenchWindow.shellTitle", new Object[] { editorTitle, title }); 
            }
            IPerspectiveDescriptor persp = currentPage.getPerspective();
            String label = ""; 
            if (persp != null)
                label = persp.getLabel();
            IAdaptable input = currentPage.getInput();
            if (input != null && !input.equals(wbAdvisor.getDefaultPageInput())) {
                label = currentPage.getLabel();
            }
            if (label != null && !label.equals("")) {  
                title = IDEWorkbenchMessages
                        .format(
                                "WorkbenchWindow.shellTitle", new Object[] { label, title }); 
            }