]> git.argeo.org Git - gpl/argeo-slc.git/blobdiff - legacy/org.argeo.slc.client.ui.dist/src/org/argeo/slc/client/ui/dist/views/ArtifactsBrowser.java
Clarify overall project structure.
[gpl/argeo-slc.git] / legacy / org.argeo.slc.client.ui.dist / src / org / argeo / slc / client / ui / dist / views / ArtifactsBrowser.java
diff --git a/legacy/org.argeo.slc.client.ui.dist/src/org/argeo/slc/client/ui/dist/views/ArtifactsBrowser.java b/legacy/org.argeo.slc.client.ui.dist/src/org/argeo/slc/client/ui/dist/views/ArtifactsBrowser.java
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+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.RepositoryException;
+import javax.jcr.Session;
+
+import org.argeo.jcr.JcrUtils;
+import org.argeo.slc.SlcException;
+import org.argeo.slc.SlcTypes;
+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.controllers.ArtifactsTreeContentProvider;
+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.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 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,
+               RepoConstants {
+       // private final static Log log = LogFactory.getLog(ArtifactsBrowser.class);
+       public final static String ID = DistPlugin.PLUGIN_ID + ".artifactsBrowser";
+
+       /* 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) {
+               // 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 =
+               // menuManager.createContextMenu(artifactTreeViewer.getTree());
+               // artifactTreeViewer.getTree().setMenu(menu);
+               // getSite().registerContextMenu(menuManager, artifactTreeViewer);
+
+               getSite().setSelectionProvider(artifactTreeViewer);
+               // packagesViewer.setComparer(new NodeViewerComparer());
+
+               // Model initialisation
+               if (jcrSession != null) {
+                       try {
+                               rootNode = jcrSession.getNode(DEFAULT_ARTIFACTS_BASE_PATH);
+                               artifactTreeViewer.setInput(rootNode);
+                       } catch (RepositoryException e) {
+                               throw new SlcException("Cannot load base artifact nodes", e);
+                       }
+               }
+       }
+
+       protected TreeViewer createArtifactsTreeViewer(Composite parent) {
+               int style = SWT.BORDER | SWT.MULTI | SWT.FULL_SELECTION;
+               Tree tree = new Tree(parent, style);
+               createColumn(tree, "Artifacts", SWT.LEFT, 300);
+               createColumn(tree, "Date created", SWT.LEFT, 105);
+               createColumn(tree, "Size", SWT.RIGHT, 0);
+               tree.setLinesVisible(true);
+               tree.setHeaderVisible(true);
+
+               TreeViewer viewer = new TreeViewer(tree);
+
+               viewer.setContentProvider(new ArtifactsTreeContentProvider());
+               viewer.setLabelProvider(new ArtifactLabelProvider());
+               viewer.addSelectionChangedListener(new ArtifactTreeSelectionListener());
+               // viewer.addDoubleClickListener(new GenericDoubleClickListener());
+               viewer.setInput(rootNode);
+
+               return viewer;
+       }
+
+       private static TreeColumn createColumn(Tree parent, String name, int style,
+                       int width) {
+               TreeColumn result = new TreeColumn(parent, style);
+               result.setText(name);
+               result.setWidth(width);
+               result.setMoveable(true);
+               result.setResizable(true);
+               return result;
+       }
+
+       protected TreeViewer getArtifactTreeViewer() {
+               return artifactTreeViewer;
+       }
+
+       @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 {
+               private static final long serialVersionUID = 7516705499556141806L;
+
+               // 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 SlcException(
+                                               "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 SlcException(
+               // "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 */
+       public void setJcrSession(Session jcrSession) {
+               this.jcrSession = jcrSession;
+       }
+}