archive/net.sourceforge.phpeclipse.css.ui/src/net/sourceforge/phpeclipse/css/ui/internal/preferences/CssPreferencePage.java

   1 /*
   2  * Copyright (c) 2003-2004 Christopher Lenz and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Common Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/cpl-v10.html
   7  *
   8  * Contributors:
   9  *     Christopher Lenz - initial API and implementation
  10  *
  11  * $Id: CssPreferencePage.java,v 1.1 2004-09-02 18:11:50 jsurfer Exp $
  12  */
  13
  14 package net.sourceforge.phpeclipse.css.ui.internal.preferences;
  15
  16 import java.util.Arrays;
  17 import java.util.Comparator;
  18
  19 import net.sourceforge.phpeclipse.css.core.CssCore;
  20 import net.sourceforge.phpeclipse.css.core.internal.CssCorePreferences;
  21 import net.sourceforge.phpeclipse.css.core.profiles.IProfileDescriptor;
  22 import net.sourceforge.phpeclipse.css.core.profiles.IProfileManager;
  23 import net.sourceforge.phpeclipse.css.ui.internal.CssUIMessages;
  24
  25 import org.eclipse.core.runtime.Preferences;
  26 import org.eclipse.jface.preference.PreferencePage;
  27 import org.eclipse.swt.SWT;
  28 import org.eclipse.swt.events.SelectionAdapter;
  29 import org.eclipse.swt.events.SelectionEvent;
  30 import org.eclipse.swt.layout.GridLayout;
  31 import org.eclipse.swt.widgets.Button;
  32 import org.eclipse.swt.widgets.Composite;
  33 import org.eclipse.swt.widgets.Control;
  34 import org.eclipse.swt.widgets.Group;
  35 import org.eclipse.ui.IWorkbench;
  36 import org.eclipse.ui.IWorkbenchPreferencePage;
  37
  38 /**
  39  *
  40  */
  41 public class CssPreferencePage extends PreferencePage
  42         implements IWorkbenchPreferencePage {
  43
  44         // Instance Variables ------------------------------------------------------
  45
  46         /**
  47          * The CSS core preferences.
  48          */
  49         private Preferences preferences;
  50
  51         /**
  52          * The radio buttons used to select the default profile.
  53          */
  54         private Button[] profileButtons;
  55
  56         /**
  57          * The ID of the currently selected CSS profile.
  58          */
  59         private String selectedProfile;
  60
  61         // Constructors ------------------------------------------------------------
  62
  63         /**
  64          * Default constructor.
  65          */
  66         public CssPreferencePage() {
  67                 super(getString("description")); //$NON-NLS-1$
  68                 preferences = CssCore.getDefault().getPluginPreferences();
  69         }
  70
  71         // PreferencePage Implementation -------------------------------------------
  72
  73         /*
  74          * @see PreferencePage#createContents(Composite)
  75          */
  76         protected Control createContents(Composite parent) {
  77                 Composite composite = new Composite(parent, SWT.NONE);
  78                 GridLayout layout = new GridLayout();
  79                 layout.numColumns = 1;
  80                 composite.setLayout(layout);
  81
  82                 createProfileRadioGroup(composite);
  83
  84                 return composite;
  85         }
  86
  87         /*
  88          * @see PreferencePage#performDefaults()
  89          */
  90         protected void performDefaults() {
  91                 preferences.setToDefault(CssCorePreferences.PROFILE);
  92                 selectedProfile = preferences.getString(CssCorePreferences.PROFILE);
  93                 if (selectedProfile != null) {
  94                         for (int i = 0; i < profileButtons.length; i++) {
  95                                 Button button = profileButtons[i];
  96                                 if (((String) button.getData()).equals(selectedProfile)) {
  97                                         button.setSelection(true);
  98                                 } else {
  99                                         button.setSelection(false);
 100                                 }
 101                         }
 102                 }
 103         }
 104
 105         /*
 106          * @see PreferencePage#performOk()
 107          */
 108         public boolean performOk() {
 109                 preferences.setValue(CssCorePreferences.PROFILE, selectedProfile);
 110                 return super.performOk();
 111         }
 112
 113         // IWorkbenchPreferencePage Implementation ---------------------------------
 114
 115         /**
 116          * @see IWorkbenchPreferencePage#init(IWorkbench)
 117          */
 118         public void init(IWorkbench workbench) {
 119                 selectedProfile = preferences.getString(CssCorePreferences.PROFILE);
 120         }
 121
 122         // Private Methods ---------------------------------------------------------
 123
 124         /**
 125          * Creates the radio button group for selecting the default CSS profile.
 126          *
 127          * @param composite the composite to add the group to
 128          */
 129         private void createProfileRadioGroup(Composite composite) {
 130                 Group profileGroup = new Group(composite, SWT.SHADOW_ETCHED_IN);
 131                 GridLayout layout = new GridLayout();
 132                 layout.numColumns = 1;
 133                 profileGroup.setLayout(layout);
 134                 profileGroup.setText(getString("profile")); //$NON-NLS-1$
 135
 136                 IProfileDescriptor[] profiles = getProfileDescriptors();
 137                 profileButtons = new Button[profiles.length];
 138                 for (int i = 0; i < profiles.length; i++) {
 139                         Button button = new Button(profileGroup, SWT.RADIO | SWT.LEFT);
 140                         button.setText(profiles[i].getName());
 141                         button.setData(profiles[i].getId());
 142                         if (profiles[i].getId().equals(selectedProfile)) {
 143                                 button.setSelection(true);
 144                         }
 145                         button.addSelectionListener(new SelectionAdapter() {
 146                                 public void widgetSelected(SelectionEvent event) {
 147                                         selectedProfile = (String) event.widget.getData();
 148                                 }
 149                         });
 150                         profileButtons[i] = button;
 151                 }
 152         }
 153
 154         /**
 155          * Returns all available profile descriptors, alphabetically sorted by
 156          * display name.
 157          *
 158          * @return the profile descriptors
 159          */
 160         private IProfileDescriptor[] getProfileDescriptors() {
 161                 IProfileManager mgr = CssCore.getDefault().getProfileManager();
 162                 IProfileDescriptor[] profiles = mgr.getProfileDescriptors();
 163                 Arrays.sort(profiles, new Comparator() {
 164                         public int compare(Object o1, Object o2) {
 165                                 return ((IProfileDescriptor) o1).getName().compareTo(
 166                                                 ((IProfileDescriptor) o2).getName());
 167                         }
 168                 });
 169                 return profiles;
 170         }
 171
 172         private static String getString(String key) {
 173                 return CssUIMessages.getString(
 174                         "CssPreferencePage." + key); //$NON-NLS-1$
 175         }
 176
 177 }