package org.erlide.ui.editors.erl.folding;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.ui.PlatformUI;
import org.erlide.ui.internal.ErlideUIPlugin;
import org.erlide.ui.prefs.IPreferenceConfigurationBlock;
import org.erlide.ui.util.OverlayPreferenceStore;
import org.osgi.service.prefs.BackingStoreException;
abstract class AbstractConfigurationBlockPreferencePage extends PreferencePage implements
IWorkbenchPreferencePage {
private final IPreferenceConfigurationBlock fConfigurationBlock;
private OverlayPreferenceStore fOverlayStore;
/**
* Creates a new preference page.
*/
public AbstractConfigurationBlockPreferencePage() {
setDescription();
setPreferenceStore();
fOverlayStore = new OverlayPreferenceStore(getPreferenceStore(),
new OverlayPreferenceStore.OverlayKey[] {});
fConfigurationBlock = createConfigurationBlock(fOverlayStore);
}
protected abstract IPreferenceConfigurationBlock createConfigurationBlock(
OverlayPreferenceStore overlayPreferenceStore);
protected abstract String getHelpId();
protected abstract void setDescription();
protected abstract void setPreferenceStore();
/*
* @see IWorkbenchPreferencePage#init()
*/
@Override
public void init(final IWorkbench workbench) {
}
/*
* @see PreferencePage#createControl(Composite)
*/
@Override
public void createControl(final Composite parent) {
super.createControl(parent);
PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), getHelpId());
}
/*
* @see PreferencePage#createContents(Composite)
*/
@Override
protected Control createContents(final Composite parent) {
fOverlayStore.load();
fOverlayStore.start();
final Control content = fConfigurationBlock.createControl(parent);
initialize();
Dialog.applyDialogFont(content);
return content;
}
private void initialize() {
fConfigurationBlock.initialize();
}
/*
* @see PreferencePage#performOk()
*/
@Override
public boolean performOk() {
fConfigurationBlock.performOk();
fOverlayStore.propagate();
try {
ErlideUIPlugin.getPrefsNode().flush();
} catch (final BackingStoreException e) {
// ignore
}
return true;
}
/*
* @see PreferencePage#performDefaults()
*/
@Override
public void performDefaults() {
fOverlayStore.loadDefaults();
fConfigurationBlock.performDefaults();
super.performDefaults();
}
/*
* @see DialogPage#dispose()
*/
@Override
public void dispose() {
fConfigurationBlock.dispose();
if (fOverlayStore != null) {
fOverlayStore.stop();
fOverlayStore = null;
}
super.dispose();
}
}