fTree.getControl().setLayoutData(gd);
fTreeContentProvider = new PhpWorkingSetPageContentProvider();
fTree.setContentProvider(fTreeContentProvider);
AppearanceAwareLabelProvider fScriptElementLabelProvider = new AppearanceAwareLabelProvider(
AppearanceAwareLabelProvider.DEFAULT_TEXTFLAGS
| ScriptElementLabels.P_COMPRESSED,
AppearanceAwareLabelProvider.DEFAULT_IMAGEFLAGS
| ScriptElementImageProvider.SMALL_ICONS, DLTKUIPlugin
.getDefault().getPreferenceStore());