X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=cms%2Forg.argeo.slc.client.ui%2Fsrc%2Forg%2Fargeo%2Fslc%2Fclient%2Fui%2Fviews%2FJcrProcessListView.java;fp=cms%2Forg.argeo.slc.client.ui%2Fsrc%2Forg%2Fargeo%2Fslc%2Fclient%2Fui%2Fviews%2FJcrProcessListView.java;h=7a921441f6a101623b2e6545ba2c4fd3b24bd21b;hb=ecc22e604e47533c79de9cecdcdeacbc752cbff1;hp=0000000000000000000000000000000000000000;hpb=e07ded4632e53f8b8869763bc1f1f4091361e76e;p=gpl%2Fargeo-slc.git diff --git a/cms/org.argeo.slc.client.ui/src/org/argeo/slc/client/ui/views/JcrProcessListView.java b/cms/org.argeo.slc.client.ui/src/org/argeo/slc/client/ui/views/JcrProcessListView.java new file mode 100644 index 000000000..7a921441f --- /dev/null +++ b/cms/org.argeo.slc.client.ui/src/org/argeo/slc/client/ui/views/JcrProcessListView.java @@ -0,0 +1,235 @@ +package org.argeo.slc.client.ui.views; + +import java.text.DateFormat; +import java.text.SimpleDateFormat; +import java.util.ArrayList; +import java.util.List; + +import javax.jcr.Node; +import javax.jcr.NodeIterator; +import javax.jcr.Property; +import javax.jcr.Repository; +import javax.jcr.RepositoryException; +import javax.jcr.Session; +import javax.jcr.observation.Event; +import javax.jcr.observation.EventListener; +import javax.jcr.observation.ObservationManager; +import javax.jcr.query.Query; + +import org.argeo.api.NodeConstants; +import org.argeo.eclipse.ui.jcr.AsyncUiEventListener; +import org.argeo.jcr.JcrUtils; +import org.argeo.slc.SlcException; +import org.argeo.slc.SlcNames; +import org.argeo.slc.SlcTypes; +import org.argeo.slc.client.ui.ClientUiPlugin; +import org.argeo.slc.client.ui.SlcImages; +import org.argeo.slc.client.ui.editors.ProcessEditor; +import org.argeo.slc.client.ui.editors.ProcessEditorInput; +import org.argeo.slc.execution.ExecutionProcess; +import org.argeo.slc.jcr.SlcJcrUtils; +import org.eclipse.jface.viewers.ColumnLabelProvider; +import org.eclipse.jface.viewers.DoubleClickEvent; +import org.eclipse.jface.viewers.IDoubleClickListener; +import org.eclipse.jface.viewers.IStructuredContentProvider; +import org.eclipse.jface.viewers.IStructuredSelection; +import org.eclipse.jface.viewers.ITableLabelProvider; +import org.eclipse.jface.viewers.TableViewer; +import org.eclipse.jface.viewers.Viewer; +import org.eclipse.rap.rwt.service.ServerPushSession; +import org.eclipse.swt.SWT; +import org.eclipse.swt.graphics.Image; +import org.eclipse.swt.widgets.Composite; +import org.eclipse.swt.widgets.Table; +import org.eclipse.swt.widgets.TableColumn; +import org.eclipse.ui.IWorkbenchPage; +import org.eclipse.ui.PlatformUI; +import org.eclipse.ui.part.ViewPart; + +/** Displays processes. */ +public class JcrProcessListView extends ViewPart { + public static final String ID = ClientUiPlugin.ID + ".jcrProcessListView"; + + private TableViewer viewer; + private ServerPushSession pushSession; + + private Repository repository; + private Session session; + + private EventListener processesObserver; + + private DateFormat dateFormat = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss"); + private Integer queryLimit = 2000; + + public void createPartControl(Composite parent) { + pushSession = new ServerPushSession(); + pushSession.start(); + try { + session = repository.login(NodeConstants.HOME_WORKSPACE); + } catch (RepositoryException re) { + throw new SlcException("Unable to log in Repository " + repository, re); + } + Table table = createTable(parent); + viewer = new TableViewer(table); + viewer.setLabelProvider(new LabelProvider()); + viewer.setContentProvider(new ContentProvider()); + viewer.setInput(getViewSite()); + viewer.addDoubleClickListener(new ViewDoubleClickListener()); + + processesObserver = new AsyncUiEventListener(viewer.getTable().getDisplay()) { + protected void onEventInUiThread(List events) { + // TODO optimize by updating only the changed process + viewer.refresh(); + } + }; + try { + ObservationManager observationManager = session.getWorkspace().getObservationManager(); + observationManager.addEventListener(processesObserver, + Event.NODE_ADDED | Event.NODE_REMOVED | Event.PROPERTY_CHANGED, + SlcJcrUtils.getSlcProcessesBasePath(session), true, null, null, false); + } catch (RepositoryException e) { + throw new SlcException("Cannot register listeners", e); + } + + } + + protected Table createTable(Composite parent) { + int style = SWT.SINGLE | SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION; + // does not function with RAP, commented for the time being + // | SWT.HIDE_SELECTION; + + Table table = new Table(parent, style); + + table.setLinesVisible(true); + table.setHeaderVisible(true); + + TableColumn column = new TableColumn(table, SWT.LEFT, 0); + column.setText("Date"); + column.setWidth(200); + + column = new TableColumn(table, SWT.LEFT, 1); + column.setText("Host"); + column.setWidth(100); + + column = new TableColumn(table, SWT.LEFT, 2); + column.setText("Id"); + column.setWidth(300); + + column = new TableColumn(table, SWT.LEFT, 3); + column.setText("Status"); + column.setWidth(100); + + return table; + } + + public void setFocus() { + viewer.getControl().setFocus(); + } + + class ContentProvider implements IStructuredContentProvider { + + public Object[] getElements(Object inputElement) { + try { + // TODO filter, optimize with virtual table, ... + String sql = "SELECT * from [slc:process] ORDER BY [jcr:lastModified] DESC"; + Query query = session.getWorkspace().getQueryManager().createQuery(sql, Query.JCR_SQL2); + // TODO paging + query.setLimit(queryLimit); + List nodes = new ArrayList(); + for (NodeIterator nit = query.execute().getNodes(); nit.hasNext();) { + nodes.add(nit.nextNode()); + } + return nodes.toArray(); + } catch (RepositoryException e) { + throw new SlcException("Cannot retrieve processes", e); + } + } + + public void dispose() { + } + + public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { + } + + } + + class LabelProvider extends ColumnLabelProvider implements ITableLabelProvider { + + public Image getColumnImage(Object obj, int columnIndex) { + if (columnIndex != 0) + return null; + try { + Node node = (Node) obj; + String status = node.getProperty(SlcNames.SLC_STATUS).getString(); + if (status.equals(ExecutionProcess.NEW) || status.equals(ExecutionProcess.INITIALIZED) + || status.equals(ExecutionProcess.SCHEDULED)) + return SlcImages.PROCESS_SCHEDULED; + else if (status.equals(ExecutionProcess.ERROR) || status.equals(ExecutionProcess.UNKOWN)) + return SlcImages.PROCESS_ERROR; + else if (status.equals(ExecutionProcess.COMPLETED)) + return SlcImages.PROCESS_COMPLETED; + else if (status.equals(ExecutionProcess.RUNNING)) + return SlcImages.PROCESS_RUNNING; + else if (status.equals(ExecutionProcess.KILLED)) + return SlcImages.PROCESS_ERROR; + else + throw new SlcException("Unkown status " + status); + } catch (RepositoryException e) { + throw new SlcException("Cannot get column text", e); + } + } + + public String getColumnText(Object obj, int index) { + try { + Node node = (Node) obj; + switch (index) { + + case 0: + return dateFormat.format(node.getProperty(Property.JCR_LAST_MODIFIED).getDate().getTime()); + case 1: + return "local"; + case 2: + return node.getProperty(SlcNames.SLC_UUID).getString(); + case 3: + return node.getProperty(SlcNames.SLC_STATUS).getString(); + } + return getText(obj); + } catch (RepositoryException e) { + throw new SlcException("Cannot get column text", e); + } + } + + } + + class ViewDoubleClickListener implements IDoubleClickListener { + public void doubleClick(DoubleClickEvent evt) { + Object obj = ((IStructuredSelection) evt.getSelection()).getFirstElement(); + try { + if (obj instanceof Node) { + Node node = (Node) obj; + if (node.isNodeType(SlcTypes.SLC_PROCESS)) { + IWorkbenchPage activePage = PlatformUI.getWorkbench().getActiveWorkbenchWindow() + .getActivePage(); + activePage.openEditor(new ProcessEditorInput(node.getPath()), ProcessEditor.ID); + } + } + } catch (Exception e) { + throw new SlcException("Cannot open " + obj, e); + } + } + + } + + public void dispose() { + JcrUtils.unregisterQuietly(session.getWorkspace(), processesObserver); + JcrUtils.logoutQuietly(session); + if (pushSession != null) + pushSession.stop(); + super.dispose(); + } + + public void setRepository(Repository repository) { + this.repository = repository; + } + +} \ No newline at end of file