--- /dev/null
+package org.argeo.eclipse.ui.jcr.views;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Comparator;
+import java.util.List;
+import java.util.Set;
+import java.util.TreeSet;
+
+import javax.jcr.Item;
+import javax.jcr.Node;
+import javax.jcr.NodeIterator;
+import javax.jcr.Property;
+import javax.jcr.PropertyIterator;
+import javax.jcr.PropertyType;
+import javax.jcr.RepositoryException;
+import javax.jcr.Session;
+import javax.jcr.nodetype.NodeType;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.argeo.ArgeoException;
+import org.eclipse.jface.viewers.ColumnLabelProvider;
+import org.eclipse.jface.viewers.ISelectionChangedListener;
+import org.eclipse.jface.viewers.IStructuredContentProvider;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.jface.viewers.ITreeContentProvider;
+import org.eclipse.jface.viewers.LabelProvider;
+import org.eclipse.jface.viewers.SelectionChangedEvent;
+import org.eclipse.jface.viewers.TableViewer;
+import org.eclipse.jface.viewers.TableViewerColumn;
+import org.eclipse.jface.viewers.TreeViewer;
+import org.eclipse.jface.viewers.Viewer;
+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.ui.part.ViewPart;
+
+public class GenericJcrBrowser extends ViewPart {
+ private final static Log log = LogFactory.getLog(GenericJcrBrowser.class);
+
+ private TreeViewer nodesViewer;
+ private TableViewer propertiesViewer;
+
+ private Session jcrSession;
+
+ private Comparator<Item> itemComparator = new Comparator<Item>() {
+ public int compare(Item o1, Item o2) {
+ try {
+ return o1.getName().compareTo(o2.getName());
+ } catch (RepositoryException e) {
+ throw new ArgeoException("Cannot compare " + o1 + " and " + o2,
+ e);
+ }
+ }
+ };
+
+ @Override
+ public void createPartControl(Composite parent) {
+ parent.setLayout(new FillLayout());
+
+ SashForm sashForm = new SashForm(parent, SWT.VERTICAL);
+ sashForm.setSashWidth(4);
+ sashForm.setLayout(new FillLayout());
+
+ Composite top = new Composite(sashForm, SWT.NONE);
+ GridLayout gl = new GridLayout(1, false);
+ top.setLayout(gl);
+
+ nodesViewer = new TreeViewer(top, SWT.MULTI | SWT.H_SCROLL
+ | SWT.V_SCROLL);
+ nodesViewer.getTree().setLayoutData(
+ new GridData(SWT.FILL, SWT.FILL, true, true));
+ nodesViewer.setContentProvider(new NodeContentProvider());
+ nodesViewer.setLabelProvider(new NodeLabelProvider());
+ nodesViewer
+ .addSelectionChangedListener(new ISelectionChangedListener() {
+ public void selectionChanged(SelectionChangedEvent event) {
+ if (!event.getSelection().isEmpty()) {
+ IStructuredSelection sel = (IStructuredSelection) event
+ .getSelection();
+ log.debug(sel.getFirstElement().getClass());
+ propertiesViewer.setInput(sel.getFirstElement());
+ } else {
+ propertiesViewer.setInput(getViewSite());
+ }
+ }
+ });
+ try {
+ nodesViewer.setInput(jcrSession.getRootNode());
+ } catch (RepositoryException e) {
+ throw new ArgeoException("Cannot initialize view", e);
+ }
+
+ Composite bottom = new Composite(sashForm, SWT.NONE);
+ bottom.setLayout(new GridLayout(1, false));
+
+ propertiesViewer = new TableViewer(bottom);
+ 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())
+ return Arrays.asList(property.getValues()).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());
+
+ sashForm.setWeights(getWeights());
+
+ }
+
+ @Override
+ public void setFocus() {
+ nodesViewer.getTree().setFocus();
+ }
+
+ /**
+ * To be overidden to adapt size of form and result frames.
+ *
+ * @return
+ */
+ protected int[] getWeights() {
+ return new int[] { 70, 30 };
+ }
+
+ public void setJcrSession(Session jcrSession) {
+ this.jcrSession = jcrSession;
+ }
+
+ /*
+ * NODES
+ */
+ private class NodeContentProvider implements ITreeContentProvider {
+
+ public Object[] getElements(Object inputElement) {
+ return getChildren(inputElement);
+ }
+
+ public Object[] getChildren(Object parentElement) {
+ try {
+ if (parentElement instanceof Node) {
+ Set<Node> children = new TreeSet<Node>(itemComparator);
+ NodeIterator nit = ((Node) parentElement).getNodes();
+ while (nit.hasNext())
+ children.add(nit.nextNode());
+ return children.toArray();
+ } else {
+ return null;
+ }
+ } catch (RepositoryException e) {
+ throw new ArgeoException("Cannot retrieve children for "
+ + parentElement, e);
+ }
+ }
+
+ public Object getParent(Object element) {
+ try {
+ if (element instanceof Node) {
+ return ((Node) element).getParent();
+ }
+ return null;
+ } catch (RepositoryException e) {
+ throw new ArgeoException(
+ "Cannot retrieve parent of " + element, e);
+ }
+ }
+
+ public boolean hasChildren(Object element) {
+ try {
+ if (element instanceof Node) {
+ return ((Node) element).hasNodes();
+ }
+ return false;
+ } catch (RepositoryException e) {
+ throw new ArgeoException("Cannot check children of " + element,
+ e);
+ }
+ }
+
+ public void dispose() {
+ }
+
+ public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
+ }
+
+ }
+
+ class NodeLabelProvider extends LabelProvider {
+
+ public String getText(Object element) {
+ try {
+ if (element instanceof Node) {
+ Node node = (Node) element;
+ StringBuffer mixins = new StringBuffer("");
+ for (NodeType type : node.getMixinNodeTypes())
+ mixins.append(' ').append(type.getName());
+
+ return node.getName() + " ["
+ + node.getPrimaryNodeType().getName() + mixins
+ + "]";
+ }
+ return element.toString();
+ } catch (RepositoryException e) {
+ throw new ArgeoException("Cannot get text for of " + element, e);
+ }
+ }
+
+ }
+
+ /*
+ * PROPERTIES
+ */
+ private class PropertiesContentProvider implements
+ IStructuredContentProvider {
+
+ public void dispose() {
+ }
+
+ public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
+ }
+
+ public Object[] getElements(Object inputElement) {
+ try {
+ if (inputElement instanceof Node) {
+ Set<Property> props = new TreeSet<Property>(itemComparator);
+ PropertyIterator pit = ((Node) inputElement)
+ .getProperties();
+ while (pit.hasNext())
+ props.add(pit.nextProperty());
+ return props.toArray();
+ }
+ return new Object[] {};
+ } catch (RepositoryException e) {
+ throw new ArgeoException("Cannot get element for "
+ + inputElement, e);
+ }
+ }
+
+ }
+}
projects / lgpl / argeo-commons.git / commitdiff