org.symbian.tools.mtw.ui/src/org/symbian/tools/tmw/internal/ui/wizard/PageContributions.java
changeset 465 87920e15f8eb
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org.symbian.tools.mtw.ui/src/org/symbian/tools/tmw/internal/ui/wizard/PageContributions.java	Mon Aug 16 16:23:25 2010 -0700
@@ -0,0 +1,69 @@
+/**
+ * Copyright (c) 2010 Symbian Foundation and/or its subsidiary(-ies).
+ * All rights reserved.
+ * This component and the accompanying materials are made available
+ * under the terms of the License "Eclipse Public License v1.0"
+ * which accompanies this distribution, and is available
+ * at the URL "http://www.eclipse.org/legal/epl-v10.html".
+ *
+ * Initial Contributors:
+ * Symbian Foundation - initial contribution.
+ * Contributors:
+ * Description:
+ * Overview:
+ * Details:
+ * Platforms/Drives/Compatibility:
+ * Assumptions/Requirement/Pre-requisites:
+ * Failures and causes:
+ */
+package org.symbian.tools.tmw.internal.ui.wizard;
+
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+import java.util.TreeMap;
+
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IConfigurationElement;
+import org.eclipse.core.runtime.Platform;
+import org.symbian.tools.tmw.ui.TMWCoreUI;
+import org.symbian.tools.tmw.ui.project.INewApplicationWizardPage;
+
+public class PageContributions {
+    private Map<String, List<IConfigurationElement>> templatePages;
+
+    public INewApplicationWizardPage[] createPages(final String id) {
+        if (templatePages == null) {
+            walkExtensions();
+        }
+        final List<IConfigurationElement> pages = templatePages.get(id);
+        if (pages == null || pages.size() == 0) {
+            return new INewApplicationWizardPage[0];
+        }
+        final INewApplicationWizardPage[] newPages = new INewApplicationWizardPage[pages.size()];
+        for (int i = 0; i < pages.size(); i++) {
+            IConfigurationElement element = pages.get(i);
+            try {
+                newPages[i] = (INewApplicationWizardPage) element.createExecutableExtension("class");
+            } catch (CoreException e) {
+                TMWCoreUI.log(e);
+            }
+        }
+        return newPages;
+    }
+
+    private void walkExtensions() {
+        final IConfigurationElement[] elements = Platform.getExtensionRegistry().getConfigurationElementsFor(
+                TMWCoreUI.PLUGIN_ID, "wizardPages");
+        templatePages = new TreeMap<String, List<IConfigurationElement>>();
+        for (IConfigurationElement element : elements) {
+            final String id = element.getAttribute("template-id");
+            List<IConfigurationElement> extensions = templatePages.get(id);
+            if (extensions == null) {
+                extensions = new LinkedList<IConfigurationElement>();
+                templatePages.put(id, extensions);
+            }
+            extensions.add(element);
+        }
+    }
+}