diff options
Diffstat (limited to 'src/plugins/db.core/src/com/motorolamobility/studio/android/db/core/workspace/WorkspaceRootNode.java')
| -rw-r--r-- | src/plugins/db.core/src/com/motorolamobility/studio/android/db/core/workspace/WorkspaceRootNode.java | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/src/plugins/db.core/src/com/motorolamobility/studio/android/db/core/workspace/WorkspaceRootNode.java b/src/plugins/db.core/src/com/motorolamobility/studio/android/db/core/workspace/WorkspaceRootNode.java new file mode 100644 index 0000000..c55d68d --- /dev/null +++ b/src/plugins/db.core/src/com/motorolamobility/studio/android/db/core/workspace/WorkspaceRootNode.java @@ -0,0 +1,206 @@ +/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.motorolamobility.studio.android.db.core.workspace;
+
+import java.util.Collection;
+
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.IResourceChangeEvent;
+import org.eclipse.core.resources.IResourceChangeListener;
+import org.eclipse.core.resources.IResourceDelta;
+import org.eclipse.core.resources.IResourceDeltaVisitor;
+import org.eclipse.core.resources.ResourcesPlugin;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.jface.resource.ImageDescriptor;
+
+import com.motorola.studio.android.common.IAndroidConstants;
+import com.motorola.studio.android.common.log.StudioLogger;
+import com.motorolamobility.studio.android.db.core.project.ProjectNode;
+import com.motorolamobility.studio.android.db.core.ui.AbstractTreeNode;
+import com.motorolamobility.studio.android.db.core.ui.IRootNode;
+import com.motorolamobility.studio.android.db.core.ui.ITreeNode;
+
+/**
+ * Implements the Workspace Root Node of the database tree view.
+ * It listens for changes in workspace such as project deletion/open/close that reflect in database model.
+ */
+public class WorkspaceRootNode extends AbstractTreeNode implements IRootNode,
+ IResourceChangeListener
+{
+ class ResourceDeltaVisior implements IResourceDeltaVisitor
+ {
+ /*
+ * (non-Javadoc)
+ * @see org.eclipse.core.resources.IResourceDeltaVisitor#visit(org.eclipse.core.resources.IResourceDelta)
+ */
+ public boolean visit(IResourceDelta delta)
+ {
+ IResource res = delta.getResource();
+ if (res instanceof IProject)
+ {
+ IProject project = (IProject) res;
+ switch (delta.getKind())
+ {
+ case IResourceDelta.ADDED:
+ StudioLogger.info("Project added: " + res.getFullPath()); //$NON-NLS-1$
+ addProject(project);
+ break;
+ case IResourceDelta.CHANGED:
+ int flags = delta.getFlags();
+ if ((flags & IResourceDelta.OPEN) != 0)
+ {
+ StudioLogger.info("Project opened: " + res.getFullPath()); //$NON-NLS-1$
+ addProject(project);
+ }
+ break;
+ }
+ }
+
+ return true; // visit the children
+ }
+ }
+
+ public WorkspaceRootNode()
+ {
+ //listener for project changes
+ ResourcesPlugin.getWorkspace().addResourceChangeListener(
+ this,
+ IResourceChangeEvent.PRE_CLOSE | IResourceChangeEvent.PRE_DELETE
+ | IResourceChangeEvent.POST_CHANGE);
+ }
+
+ /*
+ * (non-Javadoc)
+ * @see com.motorolamobility.studio.android.db.core.ui.AbstractTreeNode#refresh()
+ */
+ @Override
+ public void refresh()
+ {
+ clear();
+ loadContent();
+ }
+
+ /* (non-Javadoc)
+ * @see com.motorolamobility.studio.android.db.core.ui.AbstractTreeNode#getIcon()
+ */
+ @Override
+ public ImageDescriptor getIcon()
+ {
+ return getSpecificIcon("org.eclipse.jdt.ui", //$NON-NLS-1$
+ "icons/full/elcl16/prj_mode.gif"); //$NON-NLS-1$
+ }
+
+ /**
+ * Loads the Android projects from the current workspace
+ * @return list of project nodes
+ */
+ public Collection<ITreeNode> loadContent()
+ {
+ for (IProject project : ResourcesPlugin.getWorkspace().getRoot().getProjects())
+ {
+ addProject(project);
+ }
+ return this.getChildren();
+ }
+
+ /**
+ * Adds a new project in the workspace and notifies the event
+ * @param project
+ * @throws CoreException
+ */
+ public void addProject(IProject project)
+ {
+ ProjectNode projectNode = null;
+ try
+ {
+ if ((project != null) && (project.isOpen())
+ && (project.getNature(IAndroidConstants.ANDROID_NATURE) != null))
+ {
+ projectNode = new ProjectNode(project, this);
+ putChild(projectNode);
+ }
+ }
+ catch (CoreException e)
+ {
+ StudioLogger.error(WorkspaceRootNode.class,
+ "Unable to retrieve nature from project:" + project.getName(), e); //$NON-NLS-1$
+ }
+ }
+
+ /**
+ * Removes the project from workspace and notifies the event
+ * @param project
+ */
+ public void removeProject(IProject project)
+ {
+ ITreeNode projectNode = getChildById(project.getName());
+ if (projectNode != null)
+ {
+ removeChild(projectNode);
+ }
+ }
+
+ /* (non-Javadoc)
+ * @see com.motorolamobility.studio.android.db.core.ui.AbstractTreeNode#isLeaf()
+ */
+ @Override
+ public boolean isLeaf()
+ {
+ return false;
+ }
+
+ /*
+ * (non-Javadoc)
+ * @see org.eclipse.core.resources.IResourceChangeListener#resourceChanged(org.eclipse.core.resources.IResourceChangeEvent)
+ */
+ public void resourceChanged(IResourceChangeEvent event)
+ {
+ IResource res = event.getResource();
+ IProject project = null;
+ switch (event.getType())
+ {
+ case IResourceChangeEvent.PRE_CLOSE:
+ case IResourceChangeEvent.PRE_DELETE:
+ //project being closed or deleted => remove project from model
+ StudioLogger.info("Project about to close/delete: " + res.getFullPath()); //$NON-NLS-1$
+ project = res.getProject();
+ removeProject(project);
+ break;
+ case IResourceChangeEvent.POST_CHANGE:
+ try
+ {
+ event.getDelta().accept(new ResourceDeltaVisior());
+ }
+ catch (CoreException e)
+ {
+ StudioLogger.error(WorkspaceRootNode.class,
+ "Error listening to changes in resources", e); //$NON-NLS-1$
+ }
+ break;
+ }
+ }
+
+ /* (non-Javadoc)
+ * @see com.motorolamobility.studio.android.db.core.ui.AbstractTreeNode#clean()
+ */
+ @Override
+ public void cleanUp()
+ {
+ super.cleanUp();
+ ResourcesPlugin.getWorkspace().removeResourceChangeListener(this);
+ }
+}
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