+++ /dev/null
-/*
- * Copyright (C) 2007-2012 Argeo GmbH
- *
- * 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.jcr.ui.explorer.views;
-
-import java.util.List;
-
-import javax.jcr.Property;
-import javax.jcr.PropertyType;
-import javax.jcr.Repository;
-import javax.jcr.RepositoryException;
-import javax.jcr.RepositoryFactory;
-import javax.jcr.Session;
-import javax.jcr.Value;
-import javax.jcr.observation.Event;
-import javax.jcr.observation.EventListener;
-import javax.jcr.observation.ObservationManager;
-
-import org.argeo.ArgeoException;
-import org.argeo.eclipse.ui.TreeParent;
-import org.argeo.eclipse.ui.jcr.AsyncUiEventListener;
-import org.argeo.eclipse.ui.jcr.utils.NodeViewerComparer;
-import org.argeo.eclipse.ui.jcr.views.AbstractJcrBrowser;
-import org.argeo.jcr.RepositoryRegister;
-import org.argeo.jcr.ui.explorer.JcrExplorerPlugin;
-import org.argeo.jcr.ui.explorer.browser.NodeContentProvider;
-import org.argeo.jcr.ui.explorer.browser.NodeLabelProvider;
-import org.argeo.jcr.ui.explorer.browser.PropertiesContentProvider;
-import org.argeo.jcr.ui.explorer.model.SingleJcrNodeElem;
-import org.argeo.jcr.ui.explorer.utils.GenericNodeDoubleClickListener;
-import org.argeo.jcr.ui.explorer.utils.JcrUiUtils;
-import org.argeo.util.security.Keyring;
-import org.eclipse.jface.action.MenuManager;
-import org.eclipse.jface.viewers.ColumnLabelProvider;
-import org.eclipse.jface.viewers.ISelectionChangedListener;
-import org.eclipse.jface.viewers.IStructuredSelection;
-import org.eclipse.jface.viewers.ITreeContentProvider;
-import org.eclipse.jface.viewers.SelectionChangedEvent;
-import org.eclipse.jface.viewers.StructuredSelection;
-import org.eclipse.jface.viewers.TableViewer;
-import org.eclipse.jface.viewers.TableViewerColumn;
-import org.eclipse.jface.viewers.TreeViewer;
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.custom.SashForm;
-import org.eclipse.swt.layout.FillLayout;
-import org.eclipse.swt.layout.GridData;
-import org.eclipse.swt.layout.GridLayout;
-import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Display;
-import org.eclipse.swt.widgets.Menu;
-
-/**
- * Basic View to display a sash form to browse a JCR compliant multirepository
- * environment
- */
-public class GenericJcrBrowser extends AbstractJcrBrowser {
- public final static String ID = JcrExplorerPlugin.ID + ".browserView";
- private boolean sortChildNodes = true;
-
- /* DEPENDENCY INJECTION */
- private Keyring keyring;
- private RepositoryRegister repositoryRegister;
- private RepositoryFactory repositoryFactory;
- private Repository nodeRepository;
- /**
- * A session of the logged in user on the default workspace of the node
- * repository.
- */
- private Session userSession;
-
- // This page widgets
- private TreeViewer nodesViewer;
- private NodeContentProvider nodeContentProvider;
- private TableViewer propertiesViewer;
- private EventListener resultsObserver;
-
- @Override
- public void createPartControl(Composite parent) {
- parent.setLayout(new FillLayout());
- SashForm sashForm = new SashForm(parent, SWT.VERTICAL);
- sashForm.setSashWidth(4);
- sashForm.setLayout(new FillLayout());
-
- // Create the tree on top of the view
- Composite top = new Composite(sashForm, SWT.NONE);
- GridLayout gl = new GridLayout(1, false);
- top.setLayout(gl);
-
- try {
- this.userSession = this.nodeRepository.login();
- } catch (RepositoryException e) {
- throw new ArgeoException("Cannot open user session", e);
- }
-
- nodeContentProvider = new NodeContentProvider(userSession, keyring,
- repositoryRegister, repositoryFactory, sortChildNodes);
-
- // nodes viewer
- nodesViewer = createNodeViewer(top, nodeContentProvider);
-
- // context menu : it is completely defined in the plugin.xml file.
- MenuManager menuManager = new MenuManager();
- Menu menu = menuManager.createContextMenu(nodesViewer.getTree());
-
- nodesViewer.getTree().setMenu(menu);
- getSite().registerContextMenu(menuManager, nodesViewer);
- getSite().setSelectionProvider(nodesViewer);
-
- nodesViewer.setInput(getViewSite());
-
- // Create the property viewer on the bottom
- Composite bottom = new Composite(sashForm, SWT.NONE);
- bottom.setLayout(new GridLayout(1, false));
- propertiesViewer = createPropertiesViewer(bottom);
-
- sashForm.setWeights(getWeights());
- nodesViewer.setComparer(new NodeViewerComparer());
- }
-
- @Override
- public void refresh(Object obj) {
- // Enable full refresh from a command when no element of the tree is
- // selected
- if (obj == null) {
- Object[] elements = nodeContentProvider.getElements(null);
- for (Object el : elements) {
- if (el instanceof TreeParent)
- JcrUiUtils.forceRefreshIfNeeded((TreeParent) el);
- getNodeViewer().refresh(el);
- }
- }
- super.refresh(obj);
- }
-
- /**
- * To be overridden to adapt size of form and result frames.
- */
- protected int[] getWeights() {
- return new int[] { 70, 30 };
- }
-
- protected TreeViewer createNodeViewer(Composite parent,
- final ITreeContentProvider nodeContentProvider) {
-
- final TreeViewer tmpNodeViewer = new TreeViewer(parent, SWT.MULTI);
-
- tmpNodeViewer.getTree().setLayoutData(
- new GridData(SWT.FILL, SWT.FILL, true, true));
-
- tmpNodeViewer.setContentProvider(nodeContentProvider);
- tmpNodeViewer.setLabelProvider(new NodeLabelProvider());
- tmpNodeViewer
- .addSelectionChangedListener(new ISelectionChangedListener() {
- public void selectionChanged(SelectionChangedEvent event) {
- if (!event.getSelection().isEmpty()) {
- IStructuredSelection sel = (IStructuredSelection) event
- .getSelection();
- Object firstItem = sel.getFirstElement();
- if (firstItem instanceof SingleJcrNodeElem)
- propertiesViewer
- .setInput(((SingleJcrNodeElem) firstItem)
- .getNode());
- } else {
- propertiesViewer.setInput(getViewSite());
- }
- }
- });
-
- resultsObserver = new TreeObserver(tmpNodeViewer.getTree().getDisplay());
- if (keyring != null)
- try {
- ObservationManager observationManager = userSession
- .getWorkspace().getObservationManager();
- observationManager.addEventListener(resultsObserver,
- Event.PROPERTY_ADDED | Event.PROPERTY_CHANGED, "/",
- true, null, null, false);
- } catch (RepositoryException e) {
- throw new ArgeoException("Cannot register listeners", e);
- }
-
- tmpNodeViewer
- .addDoubleClickListener(new GenericNodeDoubleClickListener(
- tmpNodeViewer));
- return tmpNodeViewer;
- }
-
- protected TableViewer createPropertiesViewer(Composite parent) {
- propertiesViewer = new TableViewer(parent);
- propertiesViewer.getTable().setLayoutData(
- new GridData(SWT.FILL, SWT.FILL, true, true));
- propertiesViewer.getTable().setHeaderVisible(true);
- propertiesViewer.setContentProvider(new PropertiesContentProvider());
- TableViewerColumn col = new TableViewerColumn(propertiesViewer,
- SWT.NONE);
- col.getColumn().setText("Name");
- col.getColumn().setWidth(200);
- col.setLabelProvider(new ColumnLabelProvider() {
- public String getText(Object element) {
- try {
- return ((Property) element).getName();
- } catch (RepositoryException e) {
- throw new ArgeoException(
- "Unexpected exception in label provider", e);
- }
- }
- });
- col = new TableViewerColumn(propertiesViewer, SWT.NONE);
- col.getColumn().setText("Value");
- col.getColumn().setWidth(400);
- col.setLabelProvider(new ColumnLabelProvider() {
- public String getText(Object element) {
- try {
- Property property = (Property) element;
- if (property.getType() == PropertyType.BINARY)
- return "<binary>";
- else if (property.isMultiple()) {
- StringBuffer buf = new StringBuffer("[");
- Value[] values = property.getValues();
- for (int i = 0; i < values.length; i++) {
- if (i != 0)
- buf.append(", ");
- buf.append(values[i].getString());
- }
- buf.append(']');
- return buf.toString();
- } else
- return property.getValue().getString();
- } catch (RepositoryException e) {
- throw new ArgeoException(
- "Unexpected exception in label provider", e);
- }
- }
- });
- col = new TableViewerColumn(propertiesViewer, SWT.NONE);
- col.getColumn().setText("Type");
- col.getColumn().setWidth(200);
- col.setLabelProvider(new ColumnLabelProvider() {
- public String getText(Object element) {
- try {
- return PropertyType.nameFromValue(((Property) element)
- .getType());
- } catch (RepositoryException e) {
- throw new ArgeoException(
- "Unexpected exception in label provider", e);
- }
- }
- });
- propertiesViewer.setInput(getViewSite());
- return propertiesViewer;
- }
-
- @Override
- public void dispose() {
- super.dispose();
- }
-
- @Override
- protected TreeViewer getNodeViewer() {
- return nodesViewer;
- }
-
- /**
- * Resets the tree content provider
- *
- * @param sortChildNodes
- * if true the content provider will use a comparer to sort nodes
- * that might slow down the display
- * */
- public void setSortChildNodes(boolean sortChildNodes) {
- this.sortChildNodes = sortChildNodes;
- ((NodeContentProvider) nodesViewer.getContentProvider())
- .setSortChildren(sortChildNodes);
- nodesViewer.setInput(getViewSite());
- }
-
- /** Notifies the current view that a node has been added */
- public void nodeAdded(TreeParent parentNode) {
- // insure that Ui objects have been correctly created:
- JcrUiUtils.forceRefreshIfNeeded(parentNode);
- getNodeViewer().refresh(parentNode);
- getNodeViewer().expandToLevel(parentNode, 1);
- }
-
- /** Notifies the current view that a node has been removed */
- public void nodeRemoved(TreeParent parentNode) {
- IStructuredSelection newSel = new StructuredSelection(parentNode);
- getNodeViewer().setSelection(newSel, true);
- // Force refresh
- IStructuredSelection tmpSel = (IStructuredSelection) getNodeViewer()
- .getSelection();
- getNodeViewer().refresh(tmpSel.getFirstElement());
- }
-
- class TreeObserver extends AsyncUiEventListener {
-
- public TreeObserver(Display display) {
- super(display);
- }
-
- @Override
- protected Boolean willProcessInUiThread(List<Event> events)
- throws RepositoryException {
- for (Event event : events) {
- if (getLog().isTraceEnabled())
- getLog().debug("Received event " + event);
- String path = event.getPath();
- int index = path.lastIndexOf('/');
- String propertyName = path.substring(index + 1);
- if (getLog().isTraceEnabled())
- getLog().debug("Concerned property " + propertyName);
- }
- return false;
- }
-
- protected void onEventInUiThread(List<Event> events)
- throws RepositoryException {
- if (getLog().isTraceEnabled())
- getLog().trace("Refresh result list");
- nodesViewer.refresh();
- }
-
- }
-
- public boolean getSortChildNodes() {
- return sortChildNodes;
- }
-
- /* DEPENDENCY INJECTION */
- public void setRepositoryRegister(RepositoryRegister repositoryRegister) {
- this.repositoryRegister = repositoryRegister;
- }
-
- public void setKeyring(Keyring keyring) {
- this.keyring = keyring;
- }
-
- public void setRepositoryFactory(RepositoryFactory repositoryFactory) {
- this.repositoryFactory = repositoryFactory;
- }
-
- public void setNodeRepository(Repository nodeRepository) {
- this.nodeRepository = nodeRepository;
- }
-
-}
projects / lgpl / argeo-commons.git / blobdiff