NEW - bug 359463: move task structure bridge to sandbox

https://bugs.eclipse.org/bugs/show_bug.cgi?id=359463

8 files changed, 372 insertions, 4 deletions

diff --git a/org.eclipse.mylyn.sandbox.ui/plugin.xml b/org.eclipse.mylyn.sandbox.ui/plugin.xml
index a4a9d349..973e40b2 100644
--- a/org.eclipse.mylyn.sandbox.ui/plugin.xml
+++ b/org.eclipse.mylyn.sandbox.ui/plugin.xml
@@ -432,5 +432,17 @@
           name="Eclipse.org Plugin Link"
           order="2000"/>
    </extension>  
-   
+
+    <extension 
+         point="org.eclipse.mylyn.context.core.bridges">
+      <structureBridge 
+      		class="org.eclipse.mylyn.internal.sandbox.ui.context.TaskStructureBridge"/> 
+   </extension>
+   <extension 
+         point="org.eclipse.mylyn.context.ui.bridges">
+      <uiBridge
+            class="org.eclipse.mylyn.internal.sandbox.ui.context.TaskUiBridge"
+            contentType="meta/task"/>
+   </extension>   
+    
 </plugin>
diff --git a/org.eclipse.mylyn.sandbox.ui/src/org/eclipse/mylyn/internal/sandbox/ui/actions/FindReferencesInContextAction.java b/org.eclipse.mylyn.sandbox.ui/src/org/eclipse/mylyn/internal/sandbox/ui/actions/FindReferencesInContextAction.java
index d68ae4b8..9cf0007e 100644
--- a/org.eclipse.mylyn.sandbox.ui/src/org/eclipse/mylyn/internal/sandbox/ui/actions/FindReferencesInContextAction.java
+++ b/org.eclipse.mylyn.sandbox.ui/src/org/eclipse/mylyn/internal/sandbox/ui/actions/FindReferencesInContextAction.java
@@ -23,7 +23,7 @@ import org.eclipse.jdt.ui.search.ElementQuerySpecification;
 import org.eclipse.jface.action.Action;
 import org.eclipse.jface.action.IAction;
 import org.eclipse.jface.viewers.ISelection;
-import org.eclipse.mylyn.internal.context.ui.ContextWorkingSetManager;
+import org.eclipse.mylyn.internal.sandbox.ui.context.ContextWorkingSetManager;
 import org.eclipse.search.ui.NewSearchUI;
 import org.eclipse.ui.IEditorPart;
 import org.eclipse.ui.IWorkbenchWindow;
diff --git a/org.eclipse.mylyn.sandbox.ui/src/org/eclipse/mylyn/internal/sandbox/ui/context/ContextWorkingSetManager.java b/org.eclipse.mylyn.sandbox.ui/src/org/eclipse/mylyn/internal/sandbox/ui/context/ContextWorkingSetManager.java
new file mode 100644
index 00000000..7388e23a
--- /dev/null
+++ b/org.eclipse.mylyn.sandbox.ui/src/org/eclipse/mylyn/internal/sandbox/ui/context/ContextWorkingSetManager.java
@@ -0,0 +1,136 @@
+/*******************************************************************************
+ * Copyright (c) 2004, 2009 Tasktop Technologies 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:
+ *     Tasktop Technologies - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.mylyn.internal.sandbox.ui.context;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.eclipse.core.runtime.IAdaptable;
+import org.eclipse.mylyn.context.core.AbstractContextListener;
+import org.eclipse.mylyn.context.core.AbstractContextStructureBridge;
+import org.eclipse.mylyn.context.core.ContextChangeEvent;
+import org.eclipse.mylyn.context.core.ContextCore;
+import org.eclipse.mylyn.context.core.IInteractionElement;
+import org.eclipse.mylyn.internal.context.core.ContextCorePlugin;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.ui.IWorkingSet;
+import org.eclipse.ui.IWorkingSetUpdater;
+
+/**
+ * TODO: consider removing
+ * 
+ * @author Shawn Minto
+ * @author Mik Kersten
+ */
+public class ContextWorkingSetManager implements IWorkingSetUpdater {
+
+	private static ContextWorkingSetManager INSTANCE = new ContextWorkingSetManager();
+
+	private List<ContextWorkingSetManager> workingSetUpdaters = null;
+
+	private final AbstractContextListener CONTEXT_LISTENER = new AbstractContextListener() {
+
+		@Override
+		public void contextChanged(ContextChangeEvent event) {
+			switch (event.getEventKind()) {
+			case ACTIVATED:
+			case DEACTIVATED:
+			case CLEARED:
+			case INTEREST_CHANGED:
+			case ELEMENTS_DELETED:
+			case LANDMARKS_ADDED:
+			case LANDMARKS_REMOVED:
+				updateWorkingSet();
+				break;
+			}
+		}
+
+	};
+
+	public void addWorkingSetManager(ContextWorkingSetManager updater) {
+		if (workingSetUpdaters == null) {
+			workingSetUpdaters = new ArrayList<ContextWorkingSetManager>();
+		}
+		workingSetUpdaters.add(updater);
+		ContextCore.getContextManager().addListener(CONTEXT_LISTENER);
+	}
+
+	public void dispose() {
+		ContextCore.getContextManager().removeListener(CONTEXT_LISTENER);
+	}
+
+	public ContextWorkingSetManager getWorkingSetUpdater() {
+		if (workingSetUpdaters == null) {
+			return null;
+		} else {
+			return workingSetUpdaters.get(0);
+		}
+	}
+
+	/** Should only ever have 1 working set */
+	private final List<IWorkingSet> workingSets = new ArrayList<IWorkingSet>();
+
+	public void add(IWorkingSet workingSet) {
+		workingSets.add(workingSet);
+	}
+
+	public boolean remove(IWorkingSet workingSet) {
+		return workingSets.remove(workingSet);
+
+	}
+
+	public boolean contains(IWorkingSet workingSet) {
+		return workingSets.contains(workingSet);
+	}
+
+	private void updateWorkingSet() {
+		Display.getDefault().asyncExec(new Runnable() {
+			public void run() {
+				if (workingSets.size() <= 0) {
+					return;
+				}
+				IWorkingSet set = workingSets.get(0);
+				set.setElements(new IAdaptable[] {});
+				List<IAdaptable> elements = new ArrayList<IAdaptable>();
+				getElementsFromContext(elements);
+				set.setElements(elements.toArray(new IAdaptable[elements.size()]));
+			}
+		});
+	}
+
+	public static void getElementsFromContext(List<IAdaptable> elements) {
+		for (IInteractionElement node : ContextCorePlugin.getContextManager().getActiveDocuments()) {
+			AbstractContextStructureBridge bridge = ContextCore.getStructureBridge(node.getContentType());
+
+			// HACK comparing extension to string
+			// No need to add bugzilla resources to the taskscape
+			// search...really slow and eclipese doesn't know about them
+			if (bridge.getContentType().equals("bugzilla")) { //$NON-NLS-1$
+				continue;
+			}
+
+			Object o = bridge.getObjectForHandle(node.getHandleIdentifier());
+			if (o instanceof IAdaptable) {
+				elements.add((IAdaptable) o);
+			}
+
+		}
+	}
+
+	public IWorkingSet getWorkingSet() {
+		return workingSets.get(0);
+	}
+
+	public static ContextWorkingSetManager getDefault() {
+		return INSTANCE;
+	}
+}
diff --git a/org.eclipse.mylyn.sandbox.ui/src/org/eclipse/mylyn/internal/sandbox/ui/context/TaskStructureBridge.java b/org.eclipse.mylyn.sandbox.ui/src/org/eclipse/mylyn/internal/sandbox/ui/context/TaskStructureBridge.java
new file mode 100644
index 00000000..419078a9
--- /dev/null
+++ b/org.eclipse.mylyn.sandbox.ui/src/org/eclipse/mylyn/internal/sandbox/ui/context/TaskStructureBridge.java
@@ -0,0 +1,96 @@
+/*******************************************************************************
+ * Copyright (c) 2004, 2008 Tasktop Technologies 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:
+ *     Tasktop Technologies - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.mylyn.internal.sandbox.ui.context;
+
+import java.util.Collections;
+import java.util.List;
+
+import org.eclipse.mylyn.context.core.AbstractContextStructureBridge;
+import org.eclipse.mylyn.tasks.core.IRepositoryElement;
+import org.eclipse.mylyn.tasks.core.ITask;
+import org.eclipse.mylyn.tasks.ui.TasksUi;
+
+/**
+ * @author Mik Kersten
+ */
+public class TaskStructureBridge extends AbstractContextStructureBridge {
+
+	public static final String CONTENT_TYPE = "meta/task"; //$NON-NLS-1$
+
+	@Override
+	public String getContentType() {
+		return CONTENT_TYPE;
+	}
+
+	@Override
+	public String getHandleIdentifier(Object object) {
+		if (object instanceof ITask) {
+			return ((ITask) object).getHandleIdentifier();
+		} else {
+			return null;
+		}
+	}
+
+	@Override
+	public String getParentHandle(String handle) {
+		return null;
+	}
+
+	@Override
+	public Object getObjectForHandle(String handle) {
+		return TasksUi.getRepositoryModel().getTask(handle);
+	}
+
+	@Override
+	public List<String> getChildHandles(String handle) {
+		return Collections.emptyList();
+	}
+
+	@Override
+	public String getLabel(Object object) {
+		if (object instanceof ITask) {
+			return ((ITask) object).getSummary();
+		} else {
+			return null;
+		}
+	}
+
+	@Override
+	public boolean canBeLandmark(String handle) {
+		return false;
+	}
+
+	@Override
+	public boolean acceptsObject(Object object) {
+		return object instanceof IRepositoryElement;
+	}
+
+	@Override
+	public boolean canFilter(Object object) {
+		return object instanceof ITask;
+	}
+
+	@Override
+	public boolean isDocument(String handle) {
+		return getObjectForHandle(handle) instanceof ITask;
+	}
+
+	@Override
+	public String getHandleForOffsetInObject(Object resource, int offset) {
+		return null;
+	}
+
+	@Override
+	public String getContentType(String elementHandle) {
+		return getContentType();
+	}
+}
diff --git a/org.eclipse.mylyn.sandbox.ui/src/org/eclipse/mylyn/internal/sandbox/ui/context/TaskUiBridge.java b/org.eclipse.mylyn.sandbox.ui/src/org/eclipse/mylyn/internal/sandbox/ui/context/TaskUiBridge.java
new file mode 100644
index 00000000..9f693224
--- /dev/null
+++ b/org.eclipse.mylyn.sandbox.ui/src/org/eclipse/mylyn/internal/sandbox/ui/context/TaskUiBridge.java
@@ -0,0 +1,64 @@
+/*******************************************************************************
+ * Copyright (c) 2004, 2008 Tasktop Technologies 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:
+ *     Tasktop Technologies - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.mylyn.internal.sandbox.ui.context;
+
+import java.util.Collections;
+import java.util.List;
+
+import org.eclipse.jface.text.TextSelection;
+import org.eclipse.jface.viewers.TreeViewer;
+import org.eclipse.mylyn.context.core.IInteractionElement;
+import org.eclipse.mylyn.context.ui.AbstractContextUiBridge;
+import org.eclipse.mylyn.tasks.ui.editors.TaskEditor;
+import org.eclipse.ui.IEditorInput;
+import org.eclipse.ui.IEditorPart;
+
+/**
+ * @author Mik Kersten
+ */
+public class TaskUiBridge extends AbstractContextUiBridge {
+
+	@Override
+	public void open(IInteractionElement node) {
+		// ignore
+	}
+
+	@Override
+	public void close(IInteractionElement node) {
+		// ignore
+	}
+
+	@Override
+	public boolean acceptsEditor(IEditorPart editorPart) {
+		return editorPart instanceof TaskEditor;
+	}
+
+	@Override
+	public List<TreeViewer> getContentOutlineViewers(IEditorPart editorPart) {
+		return Collections.emptyList();
+	}
+
+	@Override
+	public Object getObjectForTextSelection(TextSelection selection, IEditorPart editor) {
+		return null;
+	}
+
+	@Override
+	public IInteractionElement getElement(IEditorInput input) {
+		return null;
+	}
+
+	@Override
+	public String getContentType() {
+		return TaskStructureBridge.CONTENT_TYPE;
+	}
+}
diff --git a/org.eclipse.mylyn.sandbox.ui/src/org/eclipse/mylyn/internal/sandbox/ui/views/ActiveSearchView.java b/org.eclipse.mylyn.sandbox.ui/src/org/eclipse/mylyn/internal/sandbox/ui/views/ActiveSearchView.java
index b0295ac7..9b579200 100644
--- a/org.eclipse.mylyn.sandbox.ui/src/org/eclipse/mylyn/internal/sandbox/ui/views/ActiveSearchView.java
+++ b/org.eclipse.mylyn.sandbox.ui/src/org/eclipse/mylyn/internal/sandbox/ui/views/ActiveSearchView.java
@@ -40,7 +40,6 @@ import org.eclipse.mylyn.context.ui.AbstractContextUiBridge;
 import org.eclipse.mylyn.internal.context.core.AbstractRelationProvider;
 import org.eclipse.mylyn.internal.context.core.ContextCorePlugin;
 import org.eclipse.mylyn.internal.context.core.IRelationsListener;
-import org.eclipse.mylyn.internal.context.ui.ActiveViewSelectionDragAdapter;
 import org.eclipse.mylyn.internal.context.ui.ContextUiPlugin;
 import org.eclipse.mylyn.internal.context.ui.DoiOrderSorter;
 import org.eclipse.mylyn.internal.context.ui.views.ContextNodeOpenListener;
diff --git a/org.eclipse.mylyn.sandbox.ui/src/org/eclipse/mylyn/internal/sandbox/ui/views/ActiveViewSelectionDragAdapter.java b/org.eclipse.mylyn.sandbox.ui/src/org/eclipse/mylyn/internal/sandbox/ui/views/ActiveViewSelectionDragAdapter.java
new file mode 100644
index 00000000..cc0d188e
--- /dev/null
+++ b/org.eclipse.mylyn.sandbox.ui/src/org/eclipse/mylyn/internal/sandbox/ui/views/ActiveViewSelectionDragAdapter.java
@@ -0,0 +1,62 @@
+/*******************************************************************************
+ * Copyright (c) 2004, 2008 Tasktop Technologies 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:
+ *     Tasktop Technologies - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.mylyn.internal.sandbox.ui.views;
+
+import org.eclipse.jface.util.LocalSelectionTransfer;
+import org.eclipse.jface.util.TransferDragSourceListener;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.ISelectionProvider;
+import org.eclipse.swt.dnd.DND;
+import org.eclipse.swt.dnd.DragSourceAdapter;
+import org.eclipse.swt.dnd.DragSourceEvent;
+import org.eclipse.swt.dnd.Transfer;
+
+/**
+ * @author Mik Kersten
+ */
+public class ActiveViewSelectionDragAdapter extends DragSourceAdapter implements TransferDragSourceListener {
+
+	private final ISelectionProvider fProvider;
+
+	public ActiveViewSelectionDragAdapter(ISelectionProvider provider) {
+		assert provider != null;
+		fProvider = provider;
+	}
+
+	public Transfer getTransfer() {
+		return LocalSelectionTransfer.getTransfer();
+	}
+
+	@Override
+	public void dragStart(DragSourceEvent event) {
+		ISelection selection = fProvider.getSelection();
+		LocalSelectionTransfer.getTransfer().setSelection(selection);
+		LocalSelectionTransfer.getTransfer().setSelectionSetTime(event.time & 0xFFFFFFFFL);
+		event.doit = isDragable(selection);
+	}
+
+	protected boolean isDragable(ISelection selection) {
+		return true;
+	}
+
+	@Override
+	public void dragSetData(DragSourceEvent event) {
+		event.data = LocalSelectionTransfer.getTransfer().getSelection();
+	}
+
+	@Override
+	public void dragFinished(DragSourceEvent event) {
+		assert event.detail != DND.DROP_MOVE;
+		LocalSelectionTransfer.getTransfer().setSelection(null);
+		LocalSelectionTransfer.getTransfer().setSelectionSetTime(0);
+	}
+}
diff --git a/org.eclipse.mylyn.sandbox.ui/src/org/eclipse/mylyn/internal/sandbox/ui/views/ContextHierarchyView.java b/org.eclipse.mylyn.sandbox.ui/src/org/eclipse/mylyn/internal/sandbox/ui/views/ContextHierarchyView.java
index c75e5742..9885808c 100644
--- a/org.eclipse.mylyn.sandbox.ui/src/org/eclipse/mylyn/internal/sandbox/ui/views/ContextHierarchyView.java
+++ b/org.eclipse.mylyn.sandbox.ui/src/org/eclipse/mylyn/internal/sandbox/ui/views/ContextHierarchyView.java
@@ -46,7 +46,6 @@ import org.eclipse.mylyn.context.core.AbstractContextListener;
 import org.eclipse.mylyn.context.core.ContextCore;
 import org.eclipse.mylyn.context.core.IInteractionContext;
 import org.eclipse.mylyn.context.core.IInteractionElement;
-import org.eclipse.mylyn.internal.context.ui.ActiveViewSelectionDragAdapter;
 import org.eclipse.mylyn.internal.java.ui.JavaStructureBridge;
 import org.eclipse.mylyn.internal.java.ui.JavaUiBridgePlugin;
 import org.eclipse.mylyn.internal.sandbox.ui.JavaContextLabelProvider;