content: /*******************************************************************************
   * Copyright (c) 2000, 2008 IBM Corporation and others.
   * All rights reserved. This program and the accompanying materials
   * are made available under the terms of the Eclipse Public License v1.0
   * which accompanies this distribution, and is available at
   * http://www.eclipse.org/legal/epl-v10.html
   *
   * Contributors:
   *     IBM Corporation - initial API and implementation
   *******************************************************************************/
  package org.eclipse.wst.jsdt.internal.ui.preferences;
  
  import org.eclipse.core.runtime.IStatus;
  import org.eclipse.jface.dialogs.Dialog;
  import org.eclipse.jface.dialogs.IDialogConstants;
  import org.eclipse.jface.preference.IPreferenceStore;
  import org.eclipse.jface.preference.PreferencePage;
  import org.eclipse.swt.SWT;
  import org.eclipse.swt.layout.GridLayout;
  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.eclipse.wst.jsdt.internal.ui.IJavaHelpContextIds;
  import org.eclipse.wst.jsdt.internal.ui.JavaScriptPlugin;
  import org.eclipse.wst.jsdt.internal.ui.dialogs.StatusInfo;
  import org.eclipse.wst.jsdt.internal.ui.dialogs.StatusUtil;
  import org.eclipse.wst.jsdt.internal.ui.wizards.dialogfields.DialogField;
  import org.eclipse.wst.jsdt.internal.ui.wizards.dialogfields.IDialogFieldListener;
  import org.eclipse.wst.jsdt.internal.ui.wizards.dialogfields.SelectionButtonDialogField;
  import org.eclipse.wst.jsdt.ui.PreferenceConstants;
  
  public class AppearancePreferencePage extends PreferencePage implements IWorkbenchPreferencePage {
  
  	private static final String SHOW_CU_CHILDREN= PreferenceConstants.SHOW_CU_CHILDREN;
  	private static final String PREF_METHOD_RETURNTYPE= PreferenceConstants.APPEARANCE_METHOD_RETURNTYPE;
  //	private static final String PREF_METHOD_TYPEPARAMETERS= PreferenceConstants.APPEARANCE_METHOD_TYPEPARAMETERS;
  //	private static final String PREF_COMPRESS_PACKAGE_NAMES= PreferenceConstants.APPEARANCE_COMPRESS_PACKAGE_NAMES;
  //	private static final String PREF_PKG_NAME_PATTERN_FOR_PKG_VIEW= PreferenceConstants.APPEARANCE_PKG_NAME_PATTERN_FOR_PKG_VIEW;
  //	private static final String STACK_BROWSING_VIEWS_VERTICALLY= PreferenceConstants.BROWSING_STACK_VERTICALLY;
  	private static final String PREF_FOLD_PACKAGES_IN_PACKAGE_EXPLORER= PreferenceConstants.APPEARANCE_FOLD_PACKAGES_IN_PACKAGE_EXPLORER;
  	private static final String PREF_CATEGORY= PreferenceConstants.APPEARANCE_CATEGORY;
  	
  	public static final String PREF_COLORED_LABELS= "colored_labels_in_views"; //$NON-NLS-1$
  
  	private SelectionButtonDialogField fShowMethodReturnType;
  	private SelectionButtonDialogField fShowCategory;
  //	private SelectionButtonDialogField fCompressPackageNames;
  //	private SelectionButtonDialogField fStackBrowsingViewsVertically;
  	private SelectionButtonDialogField fShowMembersInPackageView;
  //	private StringDialogField fPackageNamePattern;
  	private SelectionButtonDialogField fFoldPackagesInPackageExplorer;
  //	private SelectionButtonDialogField fShowMethodTypeParameters;
  	private SelectionButtonDialogField fShowColoredLabels;
  	
  	public AppearancePreferencePage() {
  		setPreferenceStore(JavaScriptPlugin.getDefault().getPreferenceStore());
  		setDescription(PreferencesMessages.AppearancePreferencePage_description); 
  	
  		IDialogFieldListener listener= new IDialogFieldListener() {
  			public void dialogFieldChanged(DialogField field) {
  				doDialogFieldChanged(field);
  			}
  		};
  	
  		fShowMethodReturnType= new SelectionButtonDialogField(SWT.CHECK);
  		fShowMethodReturnType.setDialogFieldListener(listener);
  //		fShowMethodReturnType.setLabelText(PreferencesMessages.AppearancePreferencePage_methodreturntype_label); 
  		fShowMethodReturnType.setLabelText(PreferencesMessages.AppearancePreferencePage_inferredmethodreturntype_label); 
  
  //		fShowMethodTypeParameters= new SelectionButtonDialogField(SWT.CHECK);
  //		fShowMethodTypeParameters.setDialogFieldListener(listener);
  //		fShowMethodTypeParameters.setLabelText(PreferencesMessages.AppearancePreferencePage_methodtypeparams_label); 
  		
  		fShowCategory= new SelectionButtonDialogField(SWT.CHECK);
  		fShowCategory.setDialogFieldListener(listener);
  		fShowCategory.setLabelText(PreferencesMessages.AppearancePreferencePage_showCategory_label); 
  		
  		fShowMembersInPackageView= new SelectionButtonDialogField(SWT.CHECK);
  		fShowMembersInPackageView.setDialogFieldListener(listener);
  		fShowMembersInPackageView.setLabelText(PreferencesMessages.AppearancePreferencePage_showMembersInPackagesView); 
  
  //		fStackBrowsingViewsVertically= new SelectionButtonDialogField(SWT.CHECK);
  //		fStackBrowsingViewsVertically.setDialogFieldListener(listener);
  //		fStackBrowsingViewsVertically.setLabelText(PreferencesMessages.AppearancePreferencePage_stackViewsVerticallyInTheJavaBrowsingPerspective); 
  		
  		fFoldPackagesInPackageExplorer= new SelectionButtonDialogField(SWT.CHECK);
  		fFoldPackagesInPackageExplorer.setDialogFieldListener(listener);
  //		fFoldPackagesInPackageExplorer.setLabelText(PreferencesMessages.AppearancePreferencePage_foldEmptyPackages); 
  		fFoldPackagesInPackageExplorer.setLabelText(PreferencesMessages.AppearancePreferencePage_foldEmptySourceFolders); 
  
  //		fCompressPackageNames= new SelectionButtonDialogField(SWT.CHECK);
  //		fCompressPackageNames.setDialogFieldListener(listener);
  //		fCompressPackageNames.setLabelText(PreferencesMessages.AppearancePreferencePage_pkgNamePatternEnable_label); 
  
  //		fPackageNamePattern= new StringDialogField();
  //		fPackageNamePattern.setDialogFieldListener(listener);
  //		fPackageNamePattern.setLabelText(PreferencesMessages.AppearancePreferencePage_pkgNamePattern_label);
  		
  		fShowColoredLabels= new SelectionButtonDialogField(SWT.CHECK);
  		fShowColoredLabels.setDialogFieldListener(listener);
  		fShowColoredLabels.setLabelText(PreferencesMessages.AppearancePreferencePage_coloredlabels_label);
  	}	
  
  	private void initFields() {
  		IPreferenceStore prefs= getPreferenceStore();
  		fShowMethodReturnType.setSelection(prefs.getBoolean(PREF_METHOD_RETURNTYPE));
  //		fShowMethodTypeParameters.setSelection(prefs.getBoolean(PREF_METHOD_TYPEPARAMETERS));
  		fShowMembersInPackageView.setSelection(prefs.getBoolean(SHOW_CU_CHILDREN));
  		fShowCategory.setSelection(prefs.getBoolean(PREF_CATEGORY));
  //		fStackBrowsingViewsVertically.setSelection(prefs.getBoolean(STACK_BROWSING_VIEWS_VERTICALLY));
  //		fPackageNamePattern.setText(prefs.getString(PREF_PKG_NAME_PATTERN_FOR_PKG_VIEW));
  //		fCompressPackageNames.setSelection(prefs.getBoolean(PREF_COMPRESS_PACKAGE_NAMES));
  //		fPackageNamePattern.setEnabled(fCompressPackageNames.isSelected());
  		fFoldPackagesInPackageExplorer.setSelection(prefs.getBoolean(PREF_FOLD_PACKAGES_IN_PACKAGE_EXPLORER));
  		
  		fShowColoredLabels.setSelection(prefs.getBoolean(PREF_COLORED_LABELS));
  	}
  	
  	/*
  	 * @see PreferencePage#createControl(Composite)
  	 */
  	public void createControl(Composite parent) {
  		super.createControl(parent);
  		PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), IJavaHelpContextIds.APPEARANCE_PREFERENCE_PAGE);
  	}	
  
  	/*
  	 * @see PreferencePage#createContents(Composite)
  	 */
  	protected Control createContents(Composite parent) {
  		initializeDialogUnits(parent);
  		int nColumns= 1;
  				
  		Composite result= new Composite(parent, SWT.NONE);
  		result.setFont(parent.getFont());
  		
  		GridLayout layout= new GridLayout();
  		layout.marginHeight= convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
  		layout.marginWidth= 0;
  		layout.numColumns= nColumns;
  		result.setLayout(layout);
  				
  		fShowMethodReturnType.doFillIntoGrid(result, nColumns);
  //		fShowMethodTypeParameters.doFillIntoGrid(result, nColumns);
  		fShowCategory.doFillIntoGrid(result, nColumns);
  		fShowMembersInPackageView.doFillIntoGrid(result, nColumns);				
  		fShowColoredLabels.doFillIntoGrid(result, nColumns);
  		fFoldPackagesInPackageExplorer.doFillIntoGrid(result, nColumns);
  
  //		new Separator().doFillIntoGrid(result, nColumns);
  		
  //		fCompressPackageNames.doFillIntoGrid(result, nColumns);
  //		fPackageNamePattern.doFillIntoGrid(result, 2);
  //		LayoutUtil.setHorizontalGrabbing(fPackageNamePattern.getTextControl(null));
  //		LayoutUtil.setWidthHint(fPackageNamePattern.getLabelControl(null), convertWidthInCharsToPixels(65));
  		
  //		new Separator().doFillIntoGrid(result, nColumns);
  //		fStackBrowsingViewsVertically.doFillIntoGrid(result, nColumns);
  		
  //		String noteTitle= PreferencesMessages.AppearancePreferencePage_note; 
  //		String noteMessage= PreferencesMessages.AppearancePreferencePage_preferenceOnlyEffectiveForNewPerspectives; 
  //		Composite noteControl= createNoteComposite(JFaceResources.getDialogFont(), result, noteTitle, noteMessage);
  //		GridData gd= new GridData(GridData.HORIZONTAL_ALIGN_FILL);
  //		gd.horizontalSpan= 2;
  //		noteControl.setLayoutData(gd);
  		
  		initFields();
  		
  		Dialog.applyDialogFont(result);
  		return result;
  	}
  	
  	private void doDialogFieldChanged(DialogField field) {
  //		if (field == fCompressPackageNames)
  //			fPackageNamePattern.setEnabled(fCompressPackageNames.isSelected());
  	
  		updateStatus(getValidationStatus());
  	}
  	
  	private IStatus getValidationStatus(){
  //		if (fCompressPackageNames.isSelected() && fPackageNamePattern.getText().equals("")) //$NON-NLS-1$
  //			return new StatusInfo(IStatus.ERROR, PreferencesMessages.AppearancePreferencePage_packageNameCompressionPattern_error_isEmpty); 
  //		else	
  			return new StatusInfo();
  	}
  	
  	private void updateStatus(IStatus status) {
  		setValid(!status.matches(IStatus.ERROR));
  		StatusUtil.applyToStatusLine(this, status);
  	}		
  	
  	/*
  	 * @see IWorkbenchPreferencePage#init(IWorkbench)
  	 */
  	public void init(IWorkbench workbench) {
  	}
  	
  	/*
  	 * @see IPreferencePage#performOk()
  	 */
  	public boolean performOk() {
  		IPreferenceStore prefs= getPreferenceStore();
  		prefs.setValue(PREF_METHOD_RETURNTYPE, fShowMethodReturnType.isSelected());
  //		prefs.setValue(PREF_METHOD_TYPEPARAMETERS, fShowMethodTypeParameters.isSelected());
  		prefs.setValue(PREF_CATEGORY, fShowCategory.isSelected());
  		prefs.setValue(SHOW_CU_CHILDREN, fShowMembersInPackageView.isSelected());
  //		prefs.setValue(STACK_BROWSING_VIEWS_VERTICALLY, fStackBrowsingViewsVertically.isSelected());
  //		prefs.setValue(PREF_PKG_NAME_PATTERN_FOR_PKG_VIEW, fPackageNamePattern.getText());
  //		prefs.setValue(PREF_COMPRESS_PACKAGE_NAMES, fCompressPackageNames.isSelected());
  		prefs.setValue(PREF_FOLD_PACKAGES_IN_PACKAGE_EXPLORER, fFoldPackagesInPackageExplorer.isSelected());
  		prefs.setValue(PREF_COLORED_LABELS, fShowColoredLabels.isSelected());
  		JavaScriptPlugin.getDefault().savePluginPreferences();
  		return super.performOk();
  	}	
  	
  	/*
  	 * @see PreferencePage#performDefaults()
  	 */
  	protected void performDefaults() {
  		IPreferenceStore prefs= getPreferenceStore();
  		fShowMethodReturnType.setSelection(prefs.getDefaultBoolean(PREF_METHOD_RETURNTYPE));
  //		fShowMethodTypeParameters.setSelection(prefs.getDefaultBoolean(PREF_METHOD_TYPEPARAMETERS));
  		fShowCategory.setSelection(prefs.getDefaultBoolean(PREF_CATEGORY));
  		fShowMembersInPackageView.setSelection(prefs.getDefaultBoolean(SHOW_CU_CHILDREN));
  //		fStackBrowsingViewsVertically.setSelection(prefs.getDefaultBoolean(STACK_BROWSING_VIEWS_VERTICALLY));
  //		fPackageNamePattern.setText(prefs.getDefaultString(PREF_PKG_NAME_PATTERN_FOR_PKG_VIEW));
  //		fCompressPackageNames.setSelection(prefs.getDefaultBoolean(PREF_COMPRESS_PACKAGE_NAMES));
  		fFoldPackagesInPackageExplorer.setSelection(prefs.getDefaultBoolean(PREF_FOLD_PACKAGES_IN_PACKAGE_EXPLORER));
  		fShowColoredLabels.setSelection(false);
  		super.performDefaults();
  	}
  }
  
  