]> git.argeo.org Git - gpl/argeo-slc.git/blobdiff - eclipse/plugins/org.argeo.slc.client.ui.dist/src/main/java/org/argeo/slc/client/ui/dist/views/ArtifactsBrowser.java
Improve distribution
[gpl/argeo-slc.git] / eclipse / plugins / org.argeo.slc.client.ui.dist / src / main / java / org / argeo / slc / client / ui / dist / views / ArtifactsBrowser.java
index 8c1da64dc74d0aa72b149e2152979301a291544e..71cb36ed5d743fb63c31fb2e9886696d884285c0 100644 (file)
@@ -1,28 +1,61 @@
+/*
+ * Copyright (C) 2007-2012 Mathieu Baudier
+ *
+ * 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 org.argeo.slc.client.ui.dist.views;
 
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+
 import javax.jcr.Node;
+import javax.jcr.Property;
+import javax.jcr.PropertyType;
 import javax.jcr.RepositoryException;
 import javax.jcr.Session;
+import javax.jcr.Value;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.argeo.ArgeoException;
+import org.argeo.jcr.JcrUtils;
 import org.argeo.slc.client.ui.dist.DistConstants;
+import org.argeo.slc.client.ui.dist.DistImages;
 import org.argeo.slc.client.ui.dist.DistPlugin;
-import org.argeo.slc.client.ui.dist.providers.ArtifactLabelProvider;
 import org.argeo.slc.client.ui.dist.providers.ArtifactsTreeContentProvider;
 import org.argeo.slc.client.ui.dist.utils.GenericDoubleClickListener;
+import org.argeo.slc.jcr.SlcTypes;
 import org.argeo.slc.repo.RepoConstants;
+import org.eclipse.jface.viewers.ColumnLabelProvider;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.ISelectionChangedListener;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.jface.viewers.SelectionChangedEvent;
 import org.eclipse.jface.viewers.TreeViewer;
+import org.eclipse.jface.viewers.ViewerCell;
 import org.eclipse.swt.SWT;
-import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.layout.FillLayout;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Tree;
 import org.eclipse.swt.widgets.TreeColumn;
 import org.eclipse.ui.part.ViewPart;
 
 /**
- * Basic View to browse a maven base repository
+ * Basic View to browse a maven based repository.
+ * 
+ * By Default size of the various bundles is not computed but it can be
+ * activated the view command.
  */
 
 public class ArtifactsBrowser extends ViewPart implements DistConstants,
@@ -32,20 +65,28 @@ public class ArtifactsBrowser extends ViewPart implements DistConstants,
 
        /* DEPENDENCY INJECTION */
        private Session jcrSession;
+
        // Business objects
        private Node rootNode;
 
        // This page widgets
        private TreeViewer artifactTreeViewer;
+       private boolean isSizeVisible = false;
+
+       // To be able to configure columns easily
+       public static final int COLUMN_TREE = 0;
+       public static final int COLUMN_DATE = 1;
+       public static final int COLUMN_SIZE = 2;
+       private static final int SIZE_COL_WIDTH = 55;
 
        @Override
        public void createPartControl(Composite parent) {
-               GridLayout gl = new GridLayout(1, false);
-               parent.setLayout(gl);
+               // Enable the different parts to fill the whole page when the tab is
+               // maximized
+               parent.setLayout(new FillLayout());
                artifactTreeViewer = createArtifactsTreeViewer(parent);
 
                // context menu : it is completely defined in the plugin.xml file.
-
                // Nothing in the context menu for the time being
                // MenuManager menuManager = new MenuManager();
                // Menu menu =
@@ -72,7 +113,7 @@ public class ArtifactsBrowser extends ViewPart implements DistConstants,
                Tree tree = new Tree(parent, style);
                createColumn(tree, "Artifacts", SWT.LEFT, 300);
                createColumn(tree, "Date created", SWT.LEFT, 105);
-               createColumn(tree, "Size", SWT.RIGHT, 55);
+               createColumn(tree, "Size", SWT.RIGHT, 0);
                tree.setLinesVisible(true);
                tree.setHeaderVisible(true);
 
@@ -80,8 +121,10 @@ public class ArtifactsBrowser extends ViewPart implements DistConstants,
 
                viewer.setContentProvider(new ArtifactsTreeContentProvider());
                viewer.setLabelProvider(new ArtifactLabelProvider());
+               viewer.addSelectionChangedListener(new ArtifactTreeSelectionListener());
                viewer.addDoubleClickListener(new GenericDoubleClickListener(viewer));
                viewer.setInput(rootNode);
+
                return viewer;
        }
 
@@ -102,6 +145,149 @@ public class ArtifactsBrowser extends ViewPart implements DistConstants,
        @Override
        public void setFocus() {
                // TODO Auto-generated method stub
+
+       }
+
+       /**
+        * Refresh the given element of the tree browser. If null is passed as a
+        * parameter, it refreshes the whole tree
+        */
+       public void refresh(Object element) {
+               if (element == null) {
+                       artifactTreeViewer.refresh(rootNode);
+               } else
+                       artifactTreeViewer.refresh(element);
+       }
+
+       /** Returns wether size column is visible or not */
+       public boolean isSizeVisible() {
+               return isSizeVisible;
+       }
+
+       /** Sets the visibility of the size column */
+       public void setSizeVisible(boolean visible) {
+               if (isSizeVisible == visible)
+                       return; // nothing has changed
+               else
+                       isSizeVisible = visible;
+
+               if (visible) {
+                       artifactTreeViewer.getTree().getColumn(COLUMN_SIZE)
+                                       .setWidth(SIZE_COL_WIDTH);
+               } else {
+                       // we just hide the column, we don't refresh the whole tree.
+                       artifactTreeViewer.getTree().getColumn(COLUMN_SIZE).setWidth(0);
+               }
+       }
+
+       private class ArtifactLabelProvider extends ColumnLabelProvider implements
+                       DistConstants, SlcTypes {
+
+               // Utils
+               protected DateFormat timeFormatter = new SimpleDateFormat(
+                               DATE_TIME_FORMAT);
+
+               public void update(ViewerCell cell) {
+                       int colIndex = cell.getColumnIndex();
+                       Object element = cell.getElement();
+                       cell.setText(getColumnText(element, colIndex));
+
+                       if (element instanceof Node && colIndex == 0) {
+                               Node node = (Node) element;
+                               try {
+                                       if (node.isNodeType(SLC_ARTIFACT_BASE))
+                                               cell.setImage(DistImages.IMG_ARTIFACT_BASE);
+                                       else if (node.isNodeType(SLC_ARTIFACT_VERSION_BASE))
+                                               cell.setImage(DistImages.IMG_ARTIFACT_VERSION_BASE);
+                               } catch (RepositoryException e) {
+                                       // Silent
+                               }
+                       }
+               }
+
+               @Override
+               public Image getImage(Object element) {
+
+                       if (element instanceof Node) {
+                               Node node = (Node) element;
+                               try {
+                                       if (node.isNodeType(SLC_ARTIFACT_BASE)) {
+                                               return DistImages.IMG_ARTIFACT_BASE;
+                                       } else if (node.isNodeType(SLC_ARTIFACT_VERSION_BASE)) {
+                                               return DistImages.IMG_ARTIFACT_VERSION_BASE;
+                                       }
+                               } catch (RepositoryException e) {
+                                       // Silent
+                               }
+                       }
+                       return null;
+               }
+
+               public String getColumnText(Object element, int columnIndex) {
+                       try {
+                               if (element instanceof Node) {
+                                       Node node = (Node) element;
+                                       switch (columnIndex) {
+                                       case COLUMN_TREE:
+                                               return node.getName();
+                                       case COLUMN_SIZE:
+                                               if (isSizeVisible) {
+                                                       long size = JcrUtils.getNodeApproxSize(node) / 1024;
+                                                       if (size > 1024)
+                                                               return size / 1024 + " MB";
+                                                       else
+                                                               return size + " KB";
+                                               } else
+                                                       return "";
+                                       case COLUMN_DATE:
+                                               if (node.hasProperty(Property.JCR_CREATED))
+                                                       return timeFormatter.format(node
+                                                                       .getProperty(Property.JCR_CREATED)
+                                                                       .getDate().getTime());
+                                               else
+                                                       return null;
+                                       }
+                               }
+                       } catch (RepositoryException re) {
+                               throw new ArgeoException(
+                                               "Unexepected error while getting property values", re);
+                       }
+                       return null;
+               }
+
+               private String formatValueAsString(Value value) {
+                       // TODO enhance this method
+                       try {
+                               String strValue;
+
+                               if (value.getType() == PropertyType.BINARY)
+                                       strValue = "<binary>";
+                               else if (value.getType() == PropertyType.DATE)
+                                       strValue = timeFormatter.format(value.getDate().getTime());
+                               else
+                                       strValue = value.getString();
+                               return strValue;
+                       } catch (RepositoryException e) {
+                               throw new ArgeoException(
+                                               "unexpected error while formatting value", e);
+                       }
+               }
+       }
+
+       private class ArtifactTreeSelectionListener implements
+                       ISelectionChangedListener {
+
+               public void selectionChanged(SelectionChangedEvent event) {
+                       ISelection selection = event.getSelection();
+                       if (selection != null && selection instanceof IStructuredSelection) {
+                               IStructuredSelection iss = (IStructuredSelection) selection;
+                               if (iss.size() == 1) {
+                                       artifactTreeViewer.refresh(iss.getFirstElement());
+                               }
+                       }
+
+               }
+
        }
 
        /* DEPENDENCY INJECTION */