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.Activator;

    32 import com.symbian.smt.gui.PersistentDataStore;

    33 import com.symbian.smt.gui.smtwidgets.ModelLabelsWidget;

    34 import com.symbian.smt.gui.smtwidgets.ValidModelDefinedListener;

    35 import com.symbian.smt.gui.smtwidgets.ValidModelEvent;

    36 import com.symbian.smt.gui.smtwidgets.ValidModelEvent.Type;

    37 

    38 public class LabelPreferences extends PreferencePage implements

    39 		IWorkbenchPreferencePage, ValidModelDefinedListener {

    40 

    41 	private ModelLabelsWidget labelsWidget;

    42 	private PersistentDataStore instanceStore;

    43 	private PersistentDataStore defaultStore;

    44 

    45 	public LabelPreferences() {

    46 	}

    47 

    48 	public LabelPreferences(String title) {

    49 		super(title);

    50 	}

    51 

    52 	public LabelPreferences(String title, ImageDescriptor image) {

    53 		super(title, image);

    54 	}

    55 

    56 	@Override

    57 	protected Control createContents(Composite parent) {

    58 		Composite composite = new Composite(parent, SWT.NONE);

    59 		composite.setLayout(new FillLayout(SWT.VERTICAL));

    60 

    61 		labelsWidget = new ModelLabelsWidget(composite, SWT.NONE);

    62 

    63 		IScopeContext defaultScope = new DefaultScope();

    64 		IEclipsePreferences defaultNode = defaultScope

    65 				.getNode(Activator.PLUGIN_ID);

    66 		defaultStore = new PersistentDataStore(defaultNode);

    67 

    68 		IScopeContext instanceScope = new InstanceScope();

    69 		IEclipsePreferences instanceNode = instanceScope

    70 				.getNode(Activator.PLUGIN_ID);

    71 		instanceStore = new PersistentDataStore(instanceNode, defaultNode);

    72 

    73 		labelsWidget.initialiseModelVersionText(defaultStore);

    74 		labelsWidget.initialiseDistributionText(defaultStore);

    75 		labelsWidget.addModelListener(this);

    76 		labelsWidget.setModelVersion(instanceStore.getModelVersion());

    77 		labelsWidget.setSystemVersion(instanceStore.getSystemVersion());

    78 		labelsWidget.setCopyrightText(instanceStore.getCopyrightText());

    79 		labelsWidget.setModelName(instanceStore.getModelName());

    80 		labelsWidget.setSystemName(instanceStore.getSystemName());

    81 

    82 		composite.pack();

    83 		parent.pack();

    84 

    85 		return composite;

    86 	}

    87 

    88 	@Override

    89 	public void dispose() {

    90 		if (labelsWidget != null) {

    91 			labelsWidget.removeModelListener(this);

    92 		}

    93 		

    94 		super.dispose();

    95 	}

    96 

    97 	public void init(IWorkbench workbench) {

    98 		setPreferenceStore(Activator.getDefault().getPreferenceStore());

    99 		setDescription("System Model Diagram default labels");

   100 	}

   101 

   102 	public void performDefaults() {

   103 		restoreDefaults();

   104 	}

   105 

   106 	public boolean performOk() {

   107 		storeValues();

   108 		return super.performOk();

   109 	}

   110 

   111 	private void restoreDefaults() {

   112 		labelsWidget.setDistributionTexts(defaultStore.getDistributionTexts());

   113 		labelsWidget.setSelectedDistributionText(defaultStore

   114 				.getSelectedDistributionText());

   115 		labelsWidget.setModelVersion(defaultStore.getModelVersion());

   116 		labelsWidget.setSystemVersion(defaultStore.getSystemVersion());

   117 		labelsWidget.setCopyrightText(defaultStore.getCopyrightText());

   118 		labelsWidget.setModelVersionTexts(defaultStore.getModelVersionTexts());

   119 		labelsWidget.setSelectedModelVersionText(defaultStore

   120 				.getSelectedModelVersionText());

   121 		labelsWidget.setModelName(defaultStore.getModelName());

   122 		labelsWidget.setSystemName(defaultStore.getSystemName());

   123 	}

   124 

   125 	private void storeValues() {

   126 		instanceStore.setDistributionTexts(labelsWidget.getDistributionTexts());

   127 		instanceStore.setSelectedDistributionText(labelsWidget

   128 				.getSelectedDistributionText());

   129 		instanceStore.setModelVersion(labelsWidget.getModelVersion());

   130 		instanceStore.setSystemVersion(labelsWidget.getSystemVersion());

   131 		instanceStore.setCopyrightText(labelsWidget.getCopyrightText());

   132 		instanceStore.setModelVersionTexts(labelsWidget.getModelVersionTexts());

   133 		instanceStore.setSelectedModelVersionText(labelsWidget

   134 				.getSelectedModelVersionText());

   135 		instanceStore.setModelName(labelsWidget.getModelName());

   136 		instanceStore.setSystemName(labelsWidget.getSystemName());

   137 	}

   138 

   139 	/**

   140 	 * This method is called by the observed object when a change occurs to

   141 	 * ensure the information entered into the widget is acceptable. In this

   142 	 * case we set the page in error mode if validation of the model version

   143 	 * text field or of the distribution text field fails.

   144 	 * 

   145 	 * @return void

   146 	 * @see com.symbian.smt.gui.smtwidgets.ValidModelDefinedListener#validModelDefined(ValidModelEvent)

   147 	 **/

   148 	public void validModelDefined(ValidModelEvent event) {

   149 		Boolean isValid = event.isValid();

   150 		Type eventType = event.getType();

   151 

   152 		setValid(isValid);

   153 

   154 		if (isValid) {

   155 			setErrorMessage(null);

   156 

   157 			if (eventType == Type.WARNING) {

   158 				setMessage(event.getMessage(), WARNING);

   159 			}

   160 		} else {

   161 			setErrorMessage(event.getMessage());

   162 			setMessage(null);

   163 		}

   164 	}

   165 }