Bug 76850 [Preferences] [WorkingSets] [Import/Export] Save perspective layouts in preferences
Could you please figure out some way to save perspective layouts, which perspective are "loaded", and working sets (and their contents) in a preferences file somewhere so that it can be shared by multiple users and across multiple workspaces.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/ChooseWorkspaceDialog.java
if (recentWorkspaces[i] != null) {
				text.add(recentWorkspaces[i]);
			}
		}
        text.setText(text.getItemCount() > 0 ? text.getItem(0) : launchData
                .getInitialDefault());
    }
    
	/* (non-Javadoc)
     * @see org.eclipse.jface.window.Dialog#getDialogBoundsSettings()
     * 
     * @since 3.2
     */
	protected IDialogSettings getDialogBoundsSettings() {
		
		
		
		if (centerOnMonitor) {
			return null;
		}
		
        IDialogSettings settings = IDEWorkbenchPlugin.getDefault().getDialogSettings();
        IDialogSettings section = settings.getSection(DIALOG_SETTINGS_SECTION);
        if (section == null) {
            section = settings.addNewSection(DIALOG_SETTINGS_SECTION);
        } 
        return section;
	}
}