Bug #160012: New Project Wizard changed to support templates

build/org.eclipse.cdt.managedbuilder.ui.tests/src/org/eclipse/cdt/managedbuilder/ui/tests/TestCProjectPlatformPage.java

@@ -12,6 +12,7 @@ package org.eclipse.cdt.managedbuilder.ui.tests;
 
 import junit.framework.TestCase;
 
+import org.eclipse.cdt.core.parser.util.ArrayUtil;
 import org.eclipse.cdt.managedbuilder.core.IProjectType;
 import org.eclipse.cdt.managedbuilder.ui.wizards.MBSCustomPageManager;
 import org.eclipse.cdt.ui.wizards.CDTMainWizardPage;
@@ -49,14 +50,14 @@ public class TestCProjectPlatformPage extends TestCase implements IWizardItemsLi
 		page = null;
 		wizard = null;
 	}
-	
+	ArrayUtil x;
 	
 	// testing methods
 	//////////////////
 	
 	/* Test the new page, set selection, create page lifecycle. */
 	public void testHandler1() throws Exception {
-		CWizardHandler h = new CWizardHandler(getShell(), "Head", "Name", null);
+		CWizardHandler h = new CWizardHandler(getShell(), "Head", "Name");
 		assertNotNull(h);
 		/*
 		IProjectType pt = new TestProjectType();

build/org.eclipse.cdt.managedbuilder.ui/src/org/eclipse/cdt/managedbuilder/ui/wizards/CNewWizard.java

@@ -14,6 +14,7 @@ import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.SortedMap;
 
+import org.eclipse.cdt.internal.ui.CPluginImages;
 import org.eclipse.cdt.managedbuilder.buildproperties.IBuildPropertyManager;
 import org.eclipse.cdt.managedbuilder.buildproperties.IBuildPropertyType;
 import org.eclipse.cdt.managedbuilder.buildproperties.IBuildPropertyValue;
@@ -24,17 +25,20 @@ import org.eclipse.cdt.managedbuilder.core.ManagedBuildManager;
 import org.eclipse.cdt.managedbuilder.ui.properties.Messages;
 import org.eclipse.cdt.ui.newui.CDTPrefUtil;
 import org.eclipse.cdt.ui.wizards.ICWizardHandler;
-import org.eclipse.cdt.ui.wizards.WizardItemData;
+import org.eclipse.cdt.ui.wizards.EntryDescriptor;
 import org.eclipse.jface.wizard.IWizard;
+import org.eclipse.swt.graphics.Image;
 
 /**
  *
  */
 public class CNewWizard extends AbstractCWizard {
+	private static final Image IMG = CPluginImages.get(CPluginImages.IMG_OBJS_CONTAINER);
+	private static final String OTHERS_LABEL = Messages.getString("CNewWizard.0");  //$NON-NLS-1$
 	/**
 	 * Creates and returns an array of items to be displayed 
 	 */
-	public WizardItemData[] createItems(boolean supportedOnly, IWizard wizard) {
+	public EntryDescriptor[] createItems(boolean supportedOnly, IWizard wizard) {
 		IBuildPropertyManager bpm = ManagedBuildManager.getBuildPropertyManager();
 		IBuildPropertyType bpt = bpm.getPropertyType(ICWizardHandler.ARTIFACT);
 		IBuildPropertyValue[] vs = bpt.getSupportedValues();
@@ -44,23 +48,17 @@ public class CNewWizard extends AbstractCWizard {
 		for (int i=0; i<vs.length; i++) {
 			IToolChain[] tcs = ManagedBuildManager.getExtensionsToolChains(ICWizardHandler.ARTIFACT, vs[i].getId());
 			if (tcs == null || tcs.length == 0) continue;
-			MBSWizardHandler h = new MBSWizardHandler(vs[i], IMG1, parent, wizard);
+			MBSWizardHandler h = new MBSWizardHandler(vs[i], parent, wizard);
 			for (int j=0; j<tcs.length; j++) {
 				if (!supportedOnly || isValid(tcs[j])) h.addTc(tcs[j]);
 			}
 			if (h.getToolChainsCount() > 0) {
-				WizardItemData wd = new WizardItemData(); 
+				items.add(new EntryDescriptor(vs[i].getId(), null, vs[i].getName(), true, h, null));
-				wd.name = h.getName();
-				wd.handler = h;
-				wd.image = h.getIcon();
-				wd.id = h.getName();
-				wd.parentId = null;
-				items.add(wd);
 			}
 		}
 		
 		// old style project types
-		WizardItemData oldsRoot = null;
+		EntryDescriptor oldsRoot = null;
 		SortedMap sm = ManagedBuildManager.getExtensionProjectTypeMap();
 		Iterator it = sm.keySet().iterator();
 		while(it.hasNext()) {
@@ -70,7 +68,7 @@ public class CNewWizard extends AbstractCWizard {
 			if (supportedOnly && !pt.isSupported()) continue; // not supported
 			String nattr = pt.getNameAttribute(); 
 			if (nattr == null || nattr.length() == 0) continue; // new proj style 
-			MBSWizardHandler h = new MBSWizardHandler(pt.getName(), pt, IMG2, parent, wizard);
+			MBSWizardHandler h = new MBSWizardHandler(pt, parent, wizard);
 			IConfiguration[] cfgs = pt.getConfigurations();
 			if (cfgs == null || cfgs.length == 0) continue;
 			IToolChain tc = null;
@@ -85,27 +83,18 @@ public class CNewWizard extends AbstractCWizard {
 			if (tc ==  null) continue;
 			h.addTc(tc);
 
-			WizardItemData wd = new WizardItemData(); 
+			String pId = null;
 			if (CDTPrefUtil.getBool(CDTPrefUtil.KEY_OTHERS)) {
 				if (oldsRoot == null) {
-					oldsRoot = new WizardItemData();
+					oldsRoot = new EntryDescriptor(OTHERS_LABEL, null, OTHERS_LABEL, true, null, null);
-					oldsRoot.name = Messages.getString("CNewWizard.0"); //$NON-NLS-1$
-					oldsRoot.handler = null;
-					oldsRoot.image =IMG0;
-					oldsRoot.id = oldsRoot.name;
-					oldsRoot.parentId = null;
 					items.add(oldsRoot);
 				}
-				wd.parentId = oldsRoot.id;
+				pId = oldsRoot.getId();
 			} else { // do not group to <Others>
-				wd.parentId = null;
+				pId = null;
 			}
-			wd.name = h.getName();
+			items.add(new EntryDescriptor(pt.getId(), pId, pt.getName(), true, h, IMG));
-			wd.handler = h;
-			wd.image = h.getIcon();
-			wd.id = h.getName();
-			items.add(wd);
 		}
-		return (WizardItemData[])items.toArray(new WizardItemData[items.size()]);
+		return (EntryDescriptor[])items.toArray(new EntryDescriptor[items.size()]);
 	}
 }

build/org.eclipse.cdt.managedbuilder.ui/src/org/eclipse/cdt/managedbuilder/ui/wizards/MBSWizardHandler.java

@@ -12,7 +12,9 @@ package org.eclipse.cdt.managedbuilder.ui.wizards;
 
 import java.lang.reflect.InvocationTargetException;
 import java.util.Iterator;
+import java.util.LinkedHashSet;
 import java.util.List;
+import java.util.Set;
 import java.util.SortedMap;
 import java.util.TreeMap;
 
@@ -34,6 +36,7 @@ import org.eclipse.cdt.managedbuilder.ui.properties.ManagedBuilderUIPlugin;
 import org.eclipse.cdt.managedbuilder.ui.properties.Messages;
 import org.eclipse.cdt.ui.newui.CDTPrefUtil;
 import org.eclipse.cdt.ui.wizards.CWizardHandler;
+import org.eclipse.cdt.ui.wizards.EntryDescriptor;
 import org.eclipse.cdt.ui.wizards.IWizardItemsListListener;
 import org.eclipse.core.resources.IProject;
 import org.eclipse.core.runtime.CoreException;
@@ -45,7 +48,6 @@ import org.eclipse.jface.wizard.IWizardPage;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
-import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Table;
 import org.eclipse.swt.widgets.TableItem;
@@ -68,25 +70,32 @@ public class MBSWizardHandler extends CWizardHandler implements ICBuildWizardHan
 		Messages.getString("CWizardHandler.4") + //$NON-NLS-1$
 		Messages.getString("CWizardHandler.5"); //$NON-NLS-1$
 	
-	protected SortedMap tcs = new TreeMap();
+	protected SortedMap full_tcs = new TreeMap();
 	private String propertyId = null;
 	private IProjectType pt = null;
 	protected IWizardItemsListListener listener;
 	protected CDTConfigWizardPage fConfigPage;
 	private IToolChain[] savedToolChains = null;
 	private IWizard wizard;
+	private EntryDescriptor entryDescriptor = null;
 	
-	public MBSWizardHandler(String _name, IProjectType _pt, Image _image, Composite p, IWizard w) {
+	public MBSWizardHandler(IProjectType _pt, Composite p, IWizard w) {
-		super(p, Messages.getString("CWizardHandler.0"), _name, _image); //$NON-NLS-1$
+		super(p, Messages.getString("CWizardHandler.0"), _pt.getName()); //$NON-NLS-1$
 		pt = _pt;
-		if (w.getStartingPage() instanceof IWizardItemsListListener)
+		setWizard(w);
-			listener = (IWizardItemsListListener)w.getStartingPage();
-		wizard = w;
 	}
 
-	public MBSWizardHandler(IBuildPropertyValue val, Image _image, Composite p, IWizard w) {
+	public MBSWizardHandler(String name, Composite p, IWizard w) {
-		super(p, Messages.getString("CWizardHandler.0"), val.getName(), _image); //$NON-NLS-1$
+		super(p, Messages.getString("CWizardHandler.0"), name); //$NON-NLS-1$
+		setWizard(w);
+	}
+
+	public MBSWizardHandler(IBuildPropertyValue val, Composite p, IWizard w) {
+		super(p, Messages.getString("CWizardHandler.0"), val.getName()); //$NON-NLS-1$
 		propertyId = val.getId();
+		setWizard(w);
+	}
+	private void setWizard(IWizard w) {
 		if (w.getStartingPage() instanceof IWizardItemsListListener)
 			listener = (IWizardItemsListListener)w.getStartingPage();
 		wizard = w;
@@ -98,13 +107,13 @@ public class MBSWizardHandler extends CWizardHandler implements ICBuildWizardHan
 		if (table == null) {
 			table = new Table(parent, SWT.MULTI | SWT.V_SCROLL | SWT.BORDER);
 			table.setToolTipText(tooltip);
-			Iterator it = tcs.keySet().iterator();
+			Iterator it = tc_filter(full_tcs.keySet()).iterator();
 			int counter = 0;
 			int position = 0;
 			while (it.hasNext()) {
 				TableItem ti = new TableItem(table, SWT.NONE);
 				String s = (String)it.next();
-				Object obj = tcs.get(s);
+				Object obj = full_tcs.get(s);
 				String id = CDTPrefUtil.NULL;
 				if (obj instanceof IToolChain) {
 					IToolChain tc = (IToolChain)obj;
@@ -119,7 +128,7 @@ public class MBSWizardHandler extends CWizardHandler implements ICBuildWizardHan
 				if (position == 0 && preferred.contains(id)) position = counter;
 				counter++;
 			}
-			if (tcs.size() > 0) table.select(position);
+			if (counter > 0) table.select(position);
 			
 			table.addSelectionListener(new SelectionAdapter() {
 				public void widgetSelected(SelectionEvent e) {
@@ -151,7 +160,7 @@ public class MBSWizardHandler extends CWizardHandler implements ICBuildWizardHan
 			cfgs = ManagedBuildManager.getExtensionConfigurations(tc, pt);
 		} 
 		if (cfgs == null || cfgs.length == 0) return;
-		tcs.put(tc.getUniqueRealName(), tc);
+		full_tcs.put(tc.getUniqueRealName(), tc);
 	}
 		
 	public void createProject(IProject project, boolean defaults) throws CoreException {
@@ -226,8 +235,8 @@ public class MBSWizardHandler extends CWizardHandler implements ICBuildWizardHan
 		}
 	}
 	public String getHeader() { return head; }
-	public String getName() { return name; }
+//	public String getName() { return name; }
-	public Image getIcon() { return image; }
+//	public Image getIcon() { return null; /*image;*/ }
 	public boolean isDummy() { return false; }
 	public boolean supportsPreferred() { return true; }
 
@@ -266,7 +275,7 @@ public class MBSWizardHandler extends CWizardHandler implements ICBuildWizardHan
 		return ts;
 	}
 	public int getToolChainsCount() {
-		return tcs.size();
+		return tc_filter(full_tcs.keySet()).size();
 	}
 	public String getPropertyId() {
 		return propertyId;
@@ -334,4 +343,49 @@ public class MBSWizardHandler extends CWizardHandler implements ICBuildWizardHan
 		} catch (CoreException e) {}
 	}
 	
+	public boolean isApplicable(EntryDescriptor data) { 
+		return true; 
+	}
+	
+	public void initialize(EntryDescriptor data) throws CoreException {
+		entryDescriptor = data;
+	}
+
+	/**
+	 * Filters toolchains according to entryDescriptor data  
+	 * 
+	 * @param full - full set of toolchain IDs
+	 * @return - set of compatible toolchain's IDs
+	 * 
+	 * Note that full_tcs map should remain unchanged
+	 */
+	protected Set tc_filter(Set full) {
+		if (entryDescriptor == null) 
+			return full;
+		Set out = new LinkedHashSet(full.size());
+		Iterator it = full.iterator();
+		while (it.hasNext()) {
+			String s = (String)it.next();
+			// checks for TC compatibility are to be here 
+			out.add(s);
+		}
+		return out;
+	}
+	
+	/**
+	 * Clones itself.
+	 */
+	public Object clone() {
+		MBSWizardHandler clone = (MBSWizardHandler)super.clone();
+		if (clone != null) {
+			clone.propertyId = propertyId;
+			clone.pt = pt;
+			clone.listener = listener;
+			clone.wizard = wizard;
+			clone.entryDescriptor = entryDescriptor; // the same !
+			clone.fConfigPage = fConfigPage; // the same !
+			clone.full_tcs = full_tcs;       // the same !
+		}
+		return clone;
+	}
 }

build/org.eclipse.cdt.managedbuilder.ui/src/org/eclipse/cdt/managedbuilder/ui/wizards/STDWizardHandler.java

@@ -21,26 +21,26 @@ import org.eclipse.cdt.managedbuilder.internal.core.Configuration;
 import org.eclipse.cdt.managedbuilder.internal.core.ManagedBuildInfo;
 import org.eclipse.cdt.managedbuilder.internal.core.ManagedProject;
 import org.eclipse.cdt.managedbuilder.internal.core.ToolChain;
+import org.eclipse.cdt.managedbuilder.ui.properties.Messages;
 import org.eclipse.cdt.ui.newui.UIMessages;
 import org.eclipse.core.resources.IProject;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.jface.wizard.IWizard;
-import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.widgets.Composite;
 
 public class STDWizardHandler extends MBSWizardHandler {
 
-	public STDWizardHandler(String _name, Image _image, Composite p, IWizard w) {
+	public STDWizardHandler(Composite p, IWizard w) {
-		super(_name, null, _image, p, w);
+		super(Messages.getString("StdBuildWizard.0"), p, w); //$NON-NLS-1$
 	}
 
 	public void addTc(IToolChain tc) {
 		if (tc == null) {
-			tcs.put(UIMessages.getString("StdProjectTypeHandler.0"), null); //$NON-NLS-1$
+			full_tcs.put(UIMessages.getString("StdProjectTypeHandler.0"), null); //$NON-NLS-1$
 		} else {
 			if (tc.isAbstract() || tc.isSystemObject()) return;
 		// 	unlike CWizardHandler, we don't check for configs
-			tcs.put(tc.getUniqueRealName(), tc);
+			full_tcs.put(tc.getUniqueRealName(), tc);
 		}
 	}
 
@@ -84,7 +84,7 @@ public class STDWizardHandler extends MBSWizardHandler {
 	 * If no toolchains selected by user, use default toolchain
 	 */
 	public IToolChain[] getSelectedToolChains() {
-		if (tcs.size() == 0 || table.getSelection().length == 0) 
+		if (full_tcs.size() == 0 || table.getSelection().length == 0) 
 			return new IToolChain[] { null };
 		else
 			return super.getSelectedToolChains();

build/org.eclipse.cdt.managedbuilder.ui/src/org/eclipse/cdt/managedbuilder/ui/wizards/StdBuildWizard.java

@@ -13,23 +13,31 @@ package org.eclipse.cdt.managedbuilder.ui.wizards;
 import org.eclipse.cdt.managedbuilder.core.IToolChain;
 import org.eclipse.cdt.managedbuilder.core.ManagedBuildManager;
 import org.eclipse.cdt.managedbuilder.ui.properties.Messages;
-import org.eclipse.cdt.ui.wizards.WizardItemData;
+import org.eclipse.cdt.ui.wizards.EntryDescriptor;
 import org.eclipse.jface.wizard.IWizard;
 
 public class StdBuildWizard extends AbstractCWizard {
+	private static final String NAME = Messages.getString("StdBuildWizard.0"); //$NON-NLS-1$
 	
-	public WizardItemData[] createItems(boolean supportedOnly, IWizard wizard) {
+	public EntryDescriptor[] createItems(boolean supportedOnly, IWizard wizard) {
-		STDWizardHandler h = new STDWizardHandler(Messages.getString("StdBuildWizard.0"), IMG0, parent, wizard); //$NON-NLS-1$
+		STDWizardHandler h = new STDWizardHandler(parent, wizard);
 		h.addTc(null); // add default toolchain
 		IToolChain[] tcs = ManagedBuildManager.getRealToolChains();
 		for (int i=0; i<tcs.length; i++)
 			if (!supportedOnly || isValid(tcs[i])) h.addTc(tcs[i]);
-		WizardItemData wd = new WizardItemData(); 
+		EntryDescriptor wd = new EntryDescriptor(NAME, null, NAME, false, h, null); 
-		wd.name = h.getName();
+		return new EntryDescriptor[] {wd};
-		wd.handler = h;
+		
-		wd.image = h.getIcon();
+// test only: creating items like of Templates	
-		wd.id = h.getName();
+/*		
-		wd.parentId = null;
+		EntryDescriptor[] out = new EntryDescriptor[6];
-		return new WizardItemData[] {wd};
+		out[5] = wd;
+		for (int i=0; i<5; i++) {
+			out[i] = new EntryDescriptor("Template #" + i, 
+					"org.eclipse.cdt.build.core.buildArtefactType.exe",
+					"Template" + i,	false, null, null);
+		}
+		return out;
+*/		
 	}
 }

core/org.eclipse.cdt.ui/src/org/eclipse/cdt/ui/newui/CDTListComparator.java

@@ -9,6 +9,7 @@ import org.eclipse.cdt.core.settings.model.ICConfigurationDescription;
 import org.eclipse.cdt.core.settings.model.ICLanguageSetting;
 import org.eclipse.cdt.core.settings.model.ICLanguageSettingEntry;
 import org.eclipse.cdt.ui.newui.AbstractExportTab.ExtData;
+import org.eclipse.cdt.ui.wizards.EntryDescriptor;
 
 public class CDTListComparator implements Comparator {
 	private static CDTListComparator comparator = null;
@@ -51,7 +52,11 @@ public class CDTListComparator implements Comparator {
 			IConfigurationElement e2 = (IConfigurationElement)b;
 			return AbstractPage.getWeight(e1).compareTo(AbstractPage.getWeight(e2)); 
 		}
-		
+		if (a instanceof EntryDescriptor) {
+			EntryDescriptor c1 = (EntryDescriptor) a;
+			EntryDescriptor c2 = (EntryDescriptor) b;
+			return c1.getName().compareToIgnoreCase(c2.getName());
+		}
 		return a.toString().compareTo(b.toString());
 	}
 

core/org.eclipse.cdt.ui/src/org/eclipse/cdt/ui/wizards/CDTMainWizardPage.java

@@ -31,6 +31,7 @@ import org.eclipse.jface.wizard.WizardPage;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
@@ -49,7 +50,11 @@ import org.eclipse.cdt.ui.newui.ProjectContentsArea;
 import org.eclipse.cdt.ui.newui.UIMessages;
 import org.eclipse.cdt.ui.newui.ProjectContentsArea.IErrorMessageReporter;
 
+import org.eclipse.cdt.internal.ui.CPluginImages;
+
 	public class CDTMainWizardPage extends WizardPage implements IWizardItemsListListener {
+		private static final Image IMG_CATEGORY = CPluginImages.get(CPluginImages.IMG_OBJS_SEARCHFOLDER);
+		private static final Image IMG_ITEM = CPluginImages.get(CPluginImages.IMG_OBJS_VARIABLE);
 
 		public static final String PAGE_ID = "org.eclipse.cdt.managedbuilder.ui.wizard.NewModelProjectWizardPage"; //$NON-NLS-1$
 
@@ -57,6 +62,7 @@ import org.eclipse.cdt.ui.newui.ProjectContentsArea.IErrorMessageReporter;
 		private static final String ELEMENT_NAME = "wizard"; //$NON-NLS-1$
 		private static final String CLASS_NAME = "class"; //$NON-NLS-1$
 		private static final String HELP_CTX = "org.eclipse.ui.ide.new_project_wizard_page_context"; //$NON-NLS-1$
+		private static final String DESC = "EntryDescriptor"; //$NON-NLS-1$ 
 	    // constants
 	    private static final int SIZING_TEXT_FIELD_WIDTH = 250;
 
@@ -136,7 +142,7 @@ import org.eclipse.cdt.ui.newui.ProjectContentsArea.IErrorMessageReporter;
 				public void widgetSelected(SelectionEvent e) {
 					TreeItem[] tis = tree.getSelection();
 					if (tis == null || tis.length == 0) return;
-					switchTo((ICWizardHandler)tis[0].getData());
+					switchTo((ICWizardHandler)tis[0].getData(), (EntryDescriptor)tis[0].getData(DESC));
 					setPageComplete(validatePage());
 				}});
 	        
@@ -416,7 +422,7 @@ import org.eclipse.cdt.ui.newui.ProjectContentsArea.IErrorMessageReporter;
 						if (w == null) return null;
 						
 						w.setDependentControl(right, ls);
-						WizardItemData[] wd = w.createItems(show_sup.getSelection(), wizard);
+						EntryDescriptor[] wd = w.createItems(show_sup.getSelection(), wizard);
 						for (int x=0; x<wd.length; x++)	items.add(wd[x]);
 					}
 				}
@@ -443,38 +449,55 @@ import org.eclipse.cdt.ui.newui.ProjectContentsArea.IErrorMessageReporter;
 		}
 
 		private static void addItemsToTree(Tree tree, ArrayList items) {
-			ArrayList tis = new ArrayList(items.size());
+		//  Sorting is disabled because of users requests	
-			ArrayList its = new ArrayList(items.size());
+		//	Collections.sort(items, CDTListComparator.getInstance());
+			
+			ArrayList placedTreeItemsList = new ArrayList(items.size());
+			ArrayList placedEntryDescriptorsList = new ArrayList(items.size());
 			Iterator it = items.iterator();
 			while (it.hasNext()) {
-				WizardItemData wd = (WizardItemData)it.next();
+				EntryDescriptor wd = (EntryDescriptor)it.next();
-				if (wd.parentId == null) {
+				if (wd.getParentId() == null) {
+					wd.setPath(wd.getId());
 					TreeItem ti = new TreeItem(tree, SWT.NONE);
-					ti.setText(wd.name);
+					ti.setText(wd.getName());
-					ti.setData(wd.handler);
+					ti.setData(wd.getHandler());
-					if (wd.image != null)ti.setImage(wd.image);
+					ti.setData(DESC, wd);
-					tis.add(ti);
+					ti.setImage(calcImage(wd));
-					its.add(wd);
+					placedTreeItemsList.add(ti);
+					placedEntryDescriptorsList.add(wd);
 				}
 			}
 			while(true) {
 				boolean found = false;
 				Iterator it2 = items.iterator();
 				while (it2.hasNext()) {
-					WizardItemData wd1 = (WizardItemData)it2.next();
+					EntryDescriptor wd1 = (EntryDescriptor)it2.next();
-					if (wd1.parentId == null) continue;
+					if (wd1.getParentId() == null) continue;
-					for (int i=0; i<its.size(); i++) {
+					for (int i=0; i<placedEntryDescriptorsList.size(); i++) {
-						WizardItemData wd2 = (WizardItemData)its.get(i);
+						EntryDescriptor wd2 = (EntryDescriptor)placedEntryDescriptorsList.get(i);
-						if (wd2.id.equals(wd1.parentId)) {
+						if (wd2.getId().equals(wd1.getParentId())) {
 							found = true;
-							TreeItem p = (TreeItem)tis.get(i);
+							wd1.setParentId(null);
+							ICWizardHandler h = wd2.getHandler();
+							if (h == null && !wd1.isCategory()) 
+								break;
+
+							wd1.setPath(wd2.getPath() + "/" + wd1.getId()); //$NON-NLS-1$
+							wd1.setParent(wd2);
+							if (wd1.getHandler() == null && !wd1.isCategory())
+								wd1.setHandler((ICWizardHandler)h.clone());
+							if (h != null && !h.isApplicable(wd1))
+								break;
+							
+							TreeItem p = (TreeItem)placedTreeItemsList.get(i);
 							TreeItem ti = new TreeItem(p, SWT.NONE);
-							ti.setText(wd1.name);
+							ti.setText(wd1.getName());
-							ti.setData(wd1.handler);
+							ti.setData(wd1.getHandler());
-							if (wd1.image != null)ti.setImage(wd1.image);
+							ti.setData(DESC, wd1);
-							tis.add(ti);
+							ti.setImage(calcImage(wd1));
-							its.add(wd1);
+							placedTreeItemsList.add(ti);
-							wd1.parentId = null;
+							placedEntryDescriptorsList.add(wd1);
 							break;
 						}
 					}
@@ -482,16 +505,15 @@ import org.eclipse.cdt.ui.newui.ProjectContentsArea.IErrorMessageReporter;
 				// repeat iterations until all items are placed.
 				if (!found) break;
 			}
-			// show orphan elements, if any
+			// orphan elements (with not-existing parentId) are ignored
-			Iterator it3 = items.iterator();
-			while (it3.hasNext()) {
-				WizardItemData wd = (WizardItemData)it3.next();
-				if (wd.parentId == null) continue;
-				TreeItem ti = new TreeItem(tree, SWT.NONE);
-				ti.setText(wd.name + " @ " + wd.parentId); //$NON-NLS-1$
-				ti.setData(wd.handler);
-				if (wd.image != null)ti.setImage(wd.image);
 		}
+
+		private void switchTo(ICWizardHandler h, EntryDescriptor ed) {
+			if (h == null) h = ed.getHandler();
+			try {
+				if (h != null) h.initialize(ed);
+			} catch (CoreException e) { h = null; }
+			switchTo(h);
 		}
 
 		/**
@@ -511,5 +533,11 @@ import org.eclipse.cdt.ui.newui.ProjectContentsArea.IErrorMessageReporter;
 		}
 
 		public boolean isCurrent() { return isCurrentPage(); }
+		
+		private static Image calcImage(EntryDescriptor ed) {
+			if (ed.getImage() != null) return ed.getImage();
+			if (ed.isCategory()) return IMG_CATEGORY;
+			return IMG_ITEM;
+		}
 }
 

core/org.eclipse.cdt.ui/src/org/eclipse/cdt/ui/wizards/CWizardHandler.java

@@ -50,16 +50,14 @@ public class CWizardHandler implements ICWizardHandler {
 	
 	protected String head;
 	protected String name;
-	protected Image image;
 	protected Composite parent;
 	protected Table table;
 	protected boolean supportedOnly = true;
 	
-	public CWizardHandler(Composite _parent, String _head, String _name, Image _image) {
+	public CWizardHandler(Composite _parent, String _head, String _name) {
 		parent = _parent;
-		name = _name;
-		image = _image;
 		head = _head;
+		name = _name;
 	}
 
 	public void handleSelection() {
@@ -84,7 +82,6 @@ public class CWizardHandler implements ICWizardHandler {
 	
 	public String getHeader() { return head; }
 	public String getName() { return name; }
-	public Image getIcon() { return image; }
 	public String getErrorMessage() { return null; }
 
 	public void setSupportedOnly(boolean supp) { supportedOnly = supp;}
@@ -98,5 +95,16 @@ public class CWizardHandler implements ICWizardHandler {
 	public boolean isChanged() { return true; } 
 	public void saveState() {}
 	public void postProcess(IProject proj) {}
+	public boolean isApplicable(EntryDescriptor data) { return true; }
+	public void initialize(EntryDescriptor data) throws CoreException {}
 	
+	public Object clone() {
+		try {
+			CWizardHandler clone = (CWizardHandler)super.clone();
+			clone.parent = parent;
+			clone.head = head;
+			clone.name = name;
+			return clone;
+		} catch (CloneNotSupportedException e) { return null; }
+	}
 }

core/org.eclipse.cdt.ui/src/org/eclipse/cdt/ui/wizards/EntryDescriptor.java

@@ -0,0 +1,79 @@
+/*******************************************************************************
+ * Copyright (c) 2007 Intel Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Intel Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.cdt.ui.wizards;
+
+import org.eclipse.swt.graphics.Image;
+
+/**
+ * This class stores data for each tree item
+ * in "Project types" tree of New Project Wizard.
+ */
+public class EntryDescriptor {
+	private String id = null;
+	private String name = null;
+	private boolean isCategory = false;
+	private String parentId = null;
+	private Image image = null;
+	private ICWizardHandler handler = null;
+	private String path = null;
+	private EntryDescriptor parent = null;
+
+	public EntryDescriptor (String _id, String _par, String _name, boolean _cat, ICWizardHandler _h, Image _image) {
+		id = _id;
+		parentId = _par;
+		name = _name;
+		isCategory = _cat;
+		handler = _h;
+		image = _image;
+	}
+	// these parameters are set in constructor only
+	public String getId() {
+		return id;
+	}
+	public String getName() {
+		return name;
+	}
+	public boolean isCategory() {
+		return isCategory;
+	}
+	public Image getImage() {
+		return image;
+	}
+
+	// these parameters can be set anywhere
+	public void setParentId(String pId) {
+		parentId = pId;
+	}
+	public String getParentId() {
+		return parentId;
+	}
+	
+	public void setPath(String p) { 
+		path = p; 
+	}
+	public String getPath() { 
+		return path; 
+	}
+	
+	public void setParent(EntryDescriptor p) { 
+		parent = p; 
+	}
+	public EntryDescriptor getParent() { 
+		return parent; 
+	}
+
+	public void setHandler(ICWizardHandler h) {
+		handler = h;
+	}
+	public ICWizardHandler getHandler() {
+		return handler;
+	}
+}

core/org.eclipse.cdt.ui/src/org/eclipse/cdt/ui/wizards/ICNewWizard.java

@@ -33,7 +33,7 @@ public interface ICNewWizard {
 	 * @param supportedOnly - whether display supported types only
 	 * @param wizard - New Project wizard to be passed to ICWizardHandler 
 	 */
-	public WizardItemData[] createItems(boolean supportedOnly, IWizard wizard);
+	public EntryDescriptor[] createItems(boolean supportedOnly, IWizard wizard);
 	
 	/**
 	 * Implementor will be informed about widget where additional

core/org.eclipse.cdt.ui/src/org/eclipse/cdt/ui/wizards/ICWizardHandler.java

@@ -15,9 +15,8 @@ import java.util.List;
 import org.eclipse.core.resources.IProject;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.jface.wizard.IWizardPage;
-import org.eclipse.swt.graphics.Image;
 
-public interface ICWizardHandler {
+public interface ICWizardHandler extends Cloneable {
 	static final String ARTIFACT = "org.eclipse.cdt.build.core.buildArtefactType";  //$NON-NLS-1$
 
 	/**
@@ -30,18 +29,14 @@ public interface ICWizardHandler {
 	 * Called when user leaves corresponding item in wizard tree 
 	 */
 	public void handleUnSelection();
-	/**
-	 * @return label of tree item 
-	 */
-	public String getName();
-	/**
-	 * @return icon for tree item
-	 */
-	public Image  getIcon();
 	/**
 	 * @return text for label above handler-specific pane
 	 */
 	public String getHeader();
+	/**
+	 * @return text for label in left tree
+	 */
+	public String getName();
 	/**
 	 * @return 1st handler-specific page
 	 */
@@ -94,4 +89,21 @@ public interface ICWizardHandler {
 	 *         since last call to saveState()
 	 */
 	public boolean isChanged();
+	/**
+	 * Checks whether this item can be added to Wizard tree
+	 * 
+	 * @param data - Wizard Item data to be added 
+	 *               as child to current Wizard item
+	 * @return - true if item can be added.
+	 */
+	public boolean isApplicable(EntryDescriptor data);
+	/**
+	 * Initializes the handler to be used for the specified entry
+	 * 
+	 * @param data - Wizard Item data to be handled 
+	 * @throws CoreException
+	 */
+	public void initialize(EntryDescriptor data) throws CoreException;
+	
+	public Object clone();
 }

core/org.eclipse.cdt.ui/src/org/eclipse/cdt/ui/wizards/WizardItemData.java

@@ -1,25 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2007 Intel Corporation and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- *     Intel Corporation - initial API and implementation
- *******************************************************************************/
-package org.eclipse.cdt.ui.wizards;
-
-import org.eclipse.swt.graphics.Image;
-
-/**
- * This class stores data for each tree item
- * in "Project types" tree of New Project Wizard.
- */
-public class WizardItemData {
-	public String id = null;
-	public String parentId = null;
-	public String name = null;
-	public Image image = null;
-	public ICWizardHandler handler = null;
-}