X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=eclipse%2Fplugins%2Forg.argeo.slc.client.ui%2Fsrc%2Fmain%2Fjava%2Forg%2Fargeo%2Fslc%2Fclient%2Fui%2Fviews%2FJcrResultListView.java;fp=eclipse%2Fplugins%2Forg.argeo.slc.client.ui%2Fsrc%2Fmain%2Fjava%2Forg%2Fargeo%2Fslc%2Fclient%2Fui%2Fviews%2FJcrResultListView.java;h=a886e050cd45a62bed707649a82f74dce3fff319;hb=a0e8f9b4d92028975baaba0317899536045804c8;hp=0000000000000000000000000000000000000000;hpb=78a50589529bf6aa4fcb904b52b2d85ebf87ff59;p=gpl%2Fargeo-slc.git diff --git a/eclipse/plugins/org.argeo.slc.client.ui/src/main/java/org/argeo/slc/client/ui/views/JcrResultListView.java b/eclipse/plugins/org.argeo.slc.client.ui/src/main/java/org/argeo/slc/client/ui/views/JcrResultListView.java new file mode 100644 index 000000000..a886e050c --- /dev/null +++ b/eclipse/plugins/org.argeo.slc.client.ui/src/main/java/org/argeo/slc/client/ui/views/JcrResultListView.java @@ -0,0 +1,210 @@ +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.RepositoryException; +import javax.jcr.Session; +import javax.jcr.observation.Event; +import javax.jcr.observation.EventIterator; +import javax.jcr.observation.EventListener; +import javax.jcr.observation.ObservationManager; +import javax.jcr.query.Query; + +import org.argeo.eclipse.ui.jcr.AsyncUiEventListener; +import org.argeo.jcr.JcrUtils; +import org.argeo.slc.SlcException; +import org.argeo.slc.client.ui.editors.ProcessEditor; +import org.argeo.slc.client.ui.editors.ProcessEditorInput; +import org.argeo.slc.jcr.SlcJcrConstants; +import org.argeo.slc.jcr.SlcNames; +import org.argeo.slc.jcr.SlcTypes; +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.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 results. */ +public class JcrResultListView extends ViewPart implements SlcNames { + public static final String ID = "org.argeo.slc.client.ui.jcrResultListView"; + + private TableViewer viewer; + + private Session session; + + private EventListener resultsObserver; + + private DateFormat dateFormat = new SimpleDateFormat( + "EEE, dd MMM yyyy HH:mm:ss"); + private Integer queryLimit = 100; + + public void createPartControl(Composite parent) { + Table table = createTable(parent); + viewer = new TableViewer(table); + viewer.setLabelProvider(new LabelProvider()); + viewer.setContentProvider(new ContentProvider()); + viewer.setInput(getViewSite()); + viewer.addDoubleClickListener(new ViewDoubleClickListener()); + + resultsObserver = new AsyncUiEventListener() { + protected void onEventInUiThread(EventIterator events) { + // TODO optimize by updating only the changed result + viewer.refresh(); + } + }; + try { + ObservationManager observationManager = session.getWorkspace() + .getObservationManager(); + observationManager.addEventListener(resultsObserver, + Event.NODE_ADDED | Event.NODE_REMOVED + | Event.PROPERTY_CHANGED, + SlcJcrConstants.RESULTS_BASE_PATH, 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("Id"); + column.setWidth(300); + + return table; + } + + public void setFocus() { + viewer.getControl().setFocus(); + } + + @Override + public void dispose() { + JcrUtils.unregisterQuietly(session.getWorkspace(), resultsObserver); + super.dispose(); + } + + class ContentProvider implements IStructuredContentProvider { + + public Object[] getElements(Object inputElement) { + try { + // TODO filter, optimize with virtual table, ... + String sql = "SELECT * from [slc:result] 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; + if(node.hasProperty(SLC_COMPLETED)){ + // TODO + } + return null; + } 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 node.getProperty(SlcNames.SLC_UUID).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 setSession(Session session) { + this.session = session; + } + +} \ No newline at end of file