--- /dev/null
+package org.argeo.app.ui;
+
+import static org.argeo.eclipse.ui.EclipseUiUtils.notEmpty;
+
+import java.util.List;
+import java.util.Map;
+
+import javax.jcr.Node;
+import javax.jcr.NodeIterator;
+import javax.jcr.RepositoryException;
+import javax.jcr.Session;
+import javax.jcr.observation.Event;
+import javax.jcr.observation.EventIterator;
+import javax.jcr.observation.EventListener;
+import javax.jcr.query.Query;
+import javax.jcr.query.QueryResult;
+
+import org.argeo.api.cms.CmsTheme;
+import org.argeo.app.api.EntityType;
+import org.argeo.app.core.XPathUtils;
+import org.argeo.app.ui.widgets.DelayedText;
+import org.argeo.cms.swt.CmsSwtUtils;
+import org.argeo.cms.ui.CmsUiProvider;
+import org.argeo.eclipse.ui.EclipseUiUtils;
+import org.argeo.jcr.Jcr;
+import org.argeo.jcr.JcrUtils;
+import org.eclipse.jface.layout.TableColumnLayout;
+import org.eclipse.jface.viewers.ColumnLabelProvider;
+import org.eclipse.jface.viewers.ColumnWeightData;
+import org.eclipse.jface.viewers.DoubleClickEvent;
+import org.eclipse.jface.viewers.IDoubleClickListener;
+import org.eclipse.jface.viewers.ILabelProvider;
+import org.eclipse.jface.viewers.ISelectionChangedListener;
+import org.eclipse.jface.viewers.IStructuredContentProvider;
+import org.eclipse.jface.viewers.SelectionChangedEvent;
+import org.eclipse.jface.viewers.TableViewer;
+import org.eclipse.jface.viewers.Viewer;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.KeyEvent;
+import org.eclipse.swt.events.KeyListener;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Table;
+import org.eclipse.swt.widgets.TableColumn;
+import org.eclipse.swt.widgets.Text;
+import org.eclipse.swt.widgets.ToolBar;
+import org.eclipse.swt.widgets.ToolItem;
+
+/** List recent items. */
+public class RecentItems implements CmsUiProvider {
+ private final static int SEARCH_TEXT_DELAY = 800;
+ private final static int SEARCH_DEFAULT_LIMIT = 100;
+
+ private CmsTheme theme;
+
+ private String entityType;
+
+ static enum Property {
+ entityTypes;
+ }
+
+ @Override
+ public Control createUi(Composite parent, Node context) throws RepositoryException {
+ theme = CmsSwtUtils.getCmsTheme(parent);
+ parent.setLayout(new GridLayout());
+// parent.setLayout(CmsUiUtils.noSpaceGridLayout());
+ parent.setLayout(new GridLayout());
+
+// Composite top = new Composite(parent, SWT.BORDER);
+// CmsUiUtils.style(top, SuiteStyle.recentItems);
+// top.setLayoutData(CmsUiUtils.fillWidth());
+// top.setLayout(CmsUiUtils.noSpaceGridLayout(2));
+// Label lbl = new Label(top, SWT.FLAT);
+// lbl.setLayoutData(CmsUiUtils.fillWidth());
+// lbl.setText(SuiteMsg.recentItems.lead());
+// CmsUiUtils.style(lbl, SuiteStyle.recentItems);
+//
+// ToolBar topToolBar = new ToolBar(top, SWT.NONE);
+// ToolItem addItem = new ToolItem(topToolBar, SWT.FLAT);
+//// CmsUiUtils.style(addItem, SuiteStyle.recentItems);
+// addItem.setImage(SuiteIcon.add.getSmallIcon(theme));
+
+ if (context == null)
+ return null;
+ SingleEntityViewer entityViewer = new SingleEntityViewer(parent, SWT.NONE, context.getSession());
+ entityViewer.createUi();
+ entityViewer.getViewer().getTable().setLayoutData(CmsSwtUtils.fillAll());
+
+ Composite bottom = new Composite(parent, SWT.NONE);
+ bottom.setLayoutData(CmsSwtUtils.fillWidth());
+ bottom.setLayout(CmsSwtUtils.noSpaceGridLayout());
+ ToolBar bottomToolBar = new ToolBar(bottom, SWT.NONE);
+ bottomToolBar.setLayoutData(new GridData(SWT.END, SWT.FILL, true, false));
+ ToolItem deleteItem = new ToolItem(bottomToolBar, SWT.FLAT);
+ deleteItem.setEnabled(false);
+// CmsUiUtils.style(deleteItem, SuiteStyle.recentItems);
+ deleteItem.setImage(SuiteIcon.delete.getSmallIcon(theme));
+ ToolItem addItem = new ToolItem(bottomToolBar, SWT.FLAT);
+ addItem.setImage(SuiteIcon.add.getSmallIcon(theme));
+ entityViewer.getViewer().addDoubleClickListener(new IDoubleClickListener() {
+
+ @Override
+ public void doubleClick(DoubleClickEvent event) {
+ Node node = (Node) entityViewer.getViewer().getStructuredSelection().getFirstElement();
+ if (node != null)
+ CmsSwtUtils.getCmsView(parent).sendEvent(SuiteEvent.openNewPart.topic(),
+ SuiteEvent.eventProperties(node));
+
+ }
+ });
+ entityViewer.getViewer().addSelectionChangedListener(new ISelectionChangedListener() {
+ public void selectionChanged(SelectionChangedEvent event) {
+ Node node = (Node) entityViewer.getViewer().getStructuredSelection().getFirstElement();
+ if (node != null) {
+ CmsSwtUtils.getCmsView(parent).sendEvent(SuiteEvent.refreshPart.topic(),
+ SuiteEvent.eventProperties(node));
+ deleteItem.setEnabled(true);
+ } else {
+ deleteItem.setEnabled(false);
+ }
+ }
+ });
+
+ return entityViewer.filterTxt;
+
+ }
+
+ public void init(Map<String, String> properties) {
+ // TODO manage multiple entities
+ entityType = properties.get(Property.entityTypes.name());
+ }
+
+ class SingleEntityViewer {
+ Composite parent;
+ Text filterTxt;
+ TableViewer viewer;
+ Session session;
+
+ public SingleEntityViewer(Composite parent, int style, Session session) {
+ this.parent = parent;
+ this.session = session;
+ }
+
+ public void createUi() {
+ // MainLayout
+ addFilterPanel(parent);
+ viewer = createListPart(parent, new SingleEntityLabelProvider());
+ refreshFilteredList();
+
+ try {
+ String[] nodeTypes = entityType != null && entityType.contains(":") ? new String[] { entityType }
+ : null;
+ session.getWorkspace().getObservationManager().addEventListener(new EventListener() {
+
+ @Override
+ public void onEvent(EventIterator events) {
+ parent.getDisplay().asyncExec(() -> refreshFilteredList());
+ }
+ }, Event.PROPERTY_CHANGED | Event.NODE_ADDED | Event.NODE_REMOVED | Event.PROPERTY_ADDED, "/", true,
+ null, nodeTypes, false);
+ } catch (RepositoryException e) {
+ throw new IllegalStateException("Cannot add JCR observer", e);
+ }
+
+ }
+
+ private void addFilterPanel(Composite parent) {
+ // Use a delayed text: the query won't be done until the user stop
+ // typing for 800ms
+ int style = SWT.BORDER | SWT.SEARCH | SWT.ICON_CANCEL;
+ DelayedText delayedText = new DelayedText(parent, style, SEARCH_TEXT_DELAY);
+ filterTxt = delayedText.getText();
+ filterTxt.setLayoutData(EclipseUiUtils.fillWidth());
+
+ // final ServerPushSession pushSession = new ServerPushSession();
+ delayedText.addListener((s) -> refreshFilteredList());
+// delayedText.addDelayedModifyListener(null, new ModifyListener() {
+// private static final long serialVersionUID = 5003010530960334977L;
+//
+// public void modifyText(ModifyEvent event) {
+// delayedText.getText().getDisplay().asyncExec(new Runnable() {
+// @Override
+// public void run() {
+// refreshFilteredList();
+// }
+// });
+// // pushSession.stop();
+// }
+// });
+
+ // Jump to the first item of the list using the down arrow
+ filterTxt.addKeyListener(new KeyListener() {
+ private static final long serialVersionUID = -4523394262771183968L;
+
+ @Override
+ public void keyReleased(KeyEvent e) {
+ }
+
+ @Override
+ public void keyPressed(KeyEvent e) {
+ // boolean shiftPressed = (e.stateMask & SWT.SHIFT) != 0;
+ // boolean altPressed = (e.stateMask & SWT.ALT) != 0;
+ if (e.keyCode == SWT.ARROW_DOWN || e.keyCode == SWT.TAB) {
+// Object first = entityViewer.getElementAt(0);
+// if (first != null) {
+// entityViewer.getTable().setFocus();
+// entityViewer.setSelection(new StructuredSelection(first), true);
+// }
+ e.doit = false;
+ }
+ }
+ });
+
+// parent.addDisposeListener((e) -> {
+// delayedText.close();
+// });
+ }
+
+ protected TableViewer createListPart(Composite parent, ILabelProvider labelProvider) {
+// parent.setLayout(new GridLayout());
+// parent.setLayout(CmsUiUtils.noSpaceGridLayout());
+
+ Composite tableComposite = new Composite(parent, SWT.NONE);
+ GridData gd = new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.GRAB_VERTICAL
+ | GridData.VERTICAL_ALIGN_FILL | GridData.GRAB_HORIZONTAL);
+ tableComposite.setLayoutData(gd);
+
+ TableViewer viewer = new TableViewer(tableComposite, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
+ viewer.setLabelProvider(labelProvider);
+
+ TableColumn singleColumn = new TableColumn(viewer.getTable(), SWT.V_SCROLL);
+ TableColumnLayout tableColumnLayout = new TableColumnLayout();
+ tableColumnLayout.setColumnData(singleColumn, new ColumnWeightData(85));
+ tableComposite.setLayout(tableColumnLayout);
+
+ // Corresponding table & style
+ Table table = viewer.getTable();
+// Listener[] mouseDownListeners = table.getListeners(SWT.MouseDown);
+// for (Listener listener : table.getListeners(SWT.MouseDown))
+// table.removeListener(SWT.MouseDown, listener);
+// for (Listener listener : table.getListeners(SWT.MouseUp))
+// table.removeListener(SWT.MouseUp, listener);
+// for (Listener listener : table.getListeners(SWT.MouseDoubleClick))
+// table.removeListener(SWT.MouseDoubleClick, listener);
+//
+// table.addMouseListener(new MouseListener() {
+//
+// @Override
+// public void mouseUp(MouseEvent e) {
+// System.out.println("Mouse up: "+e);
+// }
+//
+// @Override
+// public void mouseDown(MouseEvent e) {
+// System.out.println("Mouse down: "+e);
+// }
+//
+// @Override
+// public void mouseDoubleClick(MouseEvent e) {
+// System.out.println("Mouse double: "+e);
+//
+// }
+// });
+ table.setLinesVisible(true);
+ table.setHeaderVisible(false);
+ // CmsUiUtils.markup(table);
+ // CmsUiUtils.setItemHeight(table, 26);
+
+ viewer.setContentProvider(new BasicNodeListContentProvider());
+ return viewer;
+ }
+
+// public boolean setFocus() {
+// refreshFilteredList();
+// return parent.setFocus();
+// }
+
+ public void forceRefresh(Object object) {
+ refreshFilteredList();
+ }
+
+ protected void refreshFilteredList() {
+ try {
+ String filter = filterTxt.getText();
+ // Prevents the query on the full repository
+ // if (isEmpty(filter)) {
+ // entityViewer.setInput(null);
+ // return;
+ // }
+
+ // XPATH Query
+ String xpathQueryStr;
+ if (entityType != null) {
+ int indexColumn = entityType.indexOf(':');
+ if (indexColumn > 0) {// JCR node type
+ xpathQueryStr = "//element(*, " + entityType + ") order by @jcr:created descending";
+ } else {
+ xpathQueryStr = entityType.contains(":") ? "//element(*, " + entityType + ")"
+ : "//element(*, " + EntityType.entity.get() + ")[@entity:type='" + entityType + "']";
+ }
+ } else {
+ xpathQueryStr = "//element(*, " + EntityType.entity.get() + ")";
+ }
+// String xpathQueryStr = "//element(*, " + ConnectTypes.CONNECT_ENTITY + ")";
+ String xpathFilter = XPathUtils.getFreeTextConstraint(filter);
+ if (notEmpty(xpathFilter))
+ xpathQueryStr += "[" + xpathFilter + "]";
+
+// long begin = System.currentTimeMillis();
+ // session.refresh(false);
+ Query xpathQuery = XPathUtils.createQuery(session, xpathQueryStr);
+
+ xpathQuery.setLimit(SEARCH_DEFAULT_LIMIT);
+ QueryResult result = xpathQuery.execute();
+
+ NodeIterator nit = result.getNodes();
+ viewer.setInput(JcrUtils.nodeIteratorToList(nit));
+// if (log.isTraceEnabled()) {
+// long end = System.currentTimeMillis();
+// log.trace("Quick Search - Found: " + nit.getSize() + " in " + (end - begin)
+// + " ms by executing XPath query (" + xpathQueryStr + ").");
+// }
+ } catch (RepositoryException e) {
+ throw new IllegalStateException("Unable to list entities", e);
+ }
+ }
+
+ public TableViewer getViewer() {
+ return viewer;
+ }
+
+ class SingleEntityLabelProvider extends ColumnLabelProvider {
+ private static final long serialVersionUID = -2209337675781795677L;
+
+ @Override
+ public String getText(Object element) {
+ return Jcr.getTitle((Node) element);
+ }
+
+ }
+
+ class BasicNodeListContentProvider implements IStructuredContentProvider {
+ private static final long serialVersionUID = 1L;
+ // keep a cache of the Nodes in the content provider to be able to
+ // manage long request
+ private List<Node> nodes;
+
+ public void dispose() {
+ }
+
+ /** Expects a list of nodes as a new input */
+ @SuppressWarnings("unchecked")
+ public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
+ nodes = (List<Node>) newInput;
+ }
+
+ public Object[] getElements(Object arg0) {
+ return nodes.toArray();
+ }
+ }
+ }
+}
projects / gpl / argeo-suite.git / blobdiff