sysmodelmgr/com.symbian.smt.gui/src/com/symbian/smt/gui/preferences/FilterPreferences.java
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     1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 //
       
    15 
       
    16 package com.symbian.smt.gui.preferences;
       
    17 
       
    18 import org.eclipse.core.runtime.preferences.DefaultScope;
       
    19 import org.eclipse.core.runtime.preferences.IEclipsePreferences;
       
    20 import org.eclipse.core.runtime.preferences.IScopeContext;
       
    21 import org.eclipse.core.runtime.preferences.InstanceScope;
       
    22 import org.eclipse.jface.preference.PreferencePage;
       
    23 import org.eclipse.jface.resource.ImageDescriptor;
       
    24 import org.eclipse.swt.SWT;
       
    25 import org.eclipse.swt.layout.FillLayout;
       
    26 import org.eclipse.swt.widgets.Composite;
       
    27 import org.eclipse.swt.widgets.Control;
       
    28 import org.eclipse.ui.IWorkbench;
       
    29 import org.eclipse.ui.IWorkbenchPreferencePage;
       
    30 
       
    31 import com.symbian.smt.gui.AbstractPersistentDataStore;
       
    32 import com.symbian.smt.gui.Activator;
       
    33 import com.symbian.smt.gui.PersistentDataStore;
       
    34 import com.symbian.smt.gui.smtwidgets.FilterWidget;
       
    35 
       
    36 public class FilterPreferences extends PreferencePage implements
       
    37 		IWorkbenchPreferencePage {
       
    38 
       
    39 	private FilterWidget filterWidget;
       
    40 	private AbstractPersistentDataStore instanceStore;
       
    41 	private AbstractPersistentDataStore defaultStore;
       
    42 
       
    43 	public FilterPreferences() {
       
    44 	}
       
    45 
       
    46 	public FilterPreferences(String title) {
       
    47 		super(title);
       
    48 	}
       
    49 
       
    50 	public FilterPreferences(String title, ImageDescriptor image) {
       
    51 		super(title, image);
       
    52 	}
       
    53 
       
    54 	@Override
       
    55 	protected Control createContents(Composite parent) {
       
    56 		Composite composite = new Composite(parent, SWT.NONE);
       
    57 		composite.setLayout(new FillLayout(SWT.VERTICAL));
       
    58 
       
    59 		filterWidget = new FilterWidget(composite, SWT.NONE);
       
    60 
       
    61 		IScopeContext defaultScope = new DefaultScope();
       
    62 		IEclipsePreferences defaultNode = defaultScope
       
    63 				.getNode(Activator.PLUGIN_ID);
       
    64 		defaultStore = new PersistentDataStore(defaultNode);
       
    65 
       
    66 		IScopeContext instanceScope = new InstanceScope();
       
    67 		IEclipsePreferences instanceNode = instanceScope
       
    68 				.getNode(Activator.PLUGIN_ID);
       
    69 		instanceStore = new PersistentDataStore(instanceNode, defaultNode);
       
    70 
       
    71 		filterWidget.setFilterItems(instanceStore.getFilterHasItems());
       
    72 
       
    73 		composite.pack();
       
    74 		parent.pack();
       
    75 
       
    76 		return composite;
       
    77 	}
       
    78 
       
    79 	/*
       
    80 	 * Comma-separated list of filters to turn on when building the model. All
       
    81 	 * filters on an item must be present in this list in order for that item to
       
    82 	 * appear. Order does not matter
       
    83 	 */
       
    84 	public void init(IWorkbench workbench) {
       
    85 		setPreferenceStore(Activator.getDefault().getPreferenceStore());
       
    86 		setDescription("List of filters to turn on when building the model. \n"
       
    87 				+ "All filters on an item must be present in this "
       
    88 				+ "list in order for that item to appear. \n"
       
    89 				+ "Order does not matter.");
       
    90 	}
       
    91 
       
    92 	public void performDefaults() {
       
    93 		restoreDefaults();
       
    94 	}
       
    95 
       
    96 	public boolean performOk() {
       
    97 		storeValues();
       
    98 		return super.performOk();
       
    99 	}
       
   100 
       
   101 	private void restoreDefaults() {
       
   102 		filterWidget.setFilterItems(defaultStore.getFilterHasItems());
       
   103 	}
       
   104 
       
   105 	private void storeValues() {
       
   106 		instanceStore.setFilterHasItems(filterWidget.getFilterItems());
       
   107 	}
       
   108 }