1 /**

     2  * Copyright (c) 2010 Symbian Foundation and/or its subsidiary(-ies).

     3  * All rights reserved.

     4  * This component and the accompanying materials are made available

     5  * under the terms of the License "Eclipse Public License v1.0"

     6  * which accompanies this distribution, and is available

     7  * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8  *

     9  * Initial Contributors:

    10  * Symbian Foundation - initial contribution.

    11  * Contributors:

    12  * Description:

    13  * Overview:

    14  * Details:

    15  * Platforms/Drives/Compatibility:

    16  * Assumptions/Requirement/Pre-requisites:

    17  * Failures and causes:

    18  */

    19 package org.symbian.tools.tmw.internal.ui.wizard;

    20 

    21 import java.util.LinkedList;

    22 import java.util.List;

    23 import java.util.Map;

    24 import java.util.TreeMap;

    25 

    26 import org.eclipse.core.runtime.CoreException;

    27 import org.eclipse.core.runtime.IConfigurationElement;

    28 import org.eclipse.core.runtime.Platform;

    29 import org.symbian.tools.tmw.ui.TMWCoreUI;

    30 import org.symbian.tools.tmw.ui.project.INewApplicationWizardPage;

    31 

    32 public class PageContributions {

    33     private Map<String, List<IConfigurationElement>> templatePages;

    34 

    35     public INewApplicationWizardPage[] createPages(final String id) {

    36         if (templatePages == null) {

    37             walkExtensions();

    38         }

    39         final List<IConfigurationElement> pages = templatePages.get(id);

    40         if (pages == null || pages.size() == 0) {

    41             return new INewApplicationWizardPage[0];

    42         }

    43         final INewApplicationWizardPage[] newPages = new INewApplicationWizardPage[pages.size()];

    44         for (int i = 0; i < pages.size(); i++) {

    45             IConfigurationElement element = pages.get(i);

    46             try {

    47                 newPages[i] = (INewApplicationWizardPage) element.createExecutableExtension("class");

    48             } catch (CoreException e) {

    49                 TMWCoreUI.log(e);

    50             }

    51         }

    52         return newPages;

    53     }

    54 

    55     private void walkExtensions() {

    56         final IConfigurationElement[] elements = Platform.getExtensionRegistry().getConfigurationElementsFor(

    57                 TMWCoreUI.PLUGIN_ID, "wizardPages");

    58         templatePages = new TreeMap<String, List<IConfigurationElement>>();

    59         for (IConfigurationElement element : elements) {

    60             final String id = element.getAttribute("template-id");

    61             List<IConfigurationElement> extensions = templatePages.get(id);

    62             if (extensions == null) {

    63                 extensions = new LinkedList<IConfigurationElement>();

    64                 templatePages.put(id, extensions);

    65             }

    66             extensions.add(element);

    67         }

    68     }

    69 }