import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.ui.IEditorInput;
import eu.etaxonomy.taxeditor.model.IPartContentHasFactualData;
import eu.etaxonomy.taxeditor.model.IPartContentHasMedia;
import eu.etaxonomy.taxeditor.model.IPartContentHasSupplementalData;
+import eu.etaxonomy.taxeditor.model.MessagingUtils;
import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
import eu.etaxonomy.taxeditor.session.ICdmEntitySession;
import eu.etaxonomy.taxeditor.session.ICdmEntitySessionEnabled;
"derivationEvents.derivatives.sources"
});
+ private static final int WARN_THRESHOLD = 200;
+
+ private DelaySelection delaySelection = null;
+ /**
+ * This is the monitor for the DelaySelection runnable.
+ * If it is <code>true</code> then it is currently delaying a selection.
+ */
+ private boolean isInDelay;
+
+
+ /**
+ * This class invokes internal_selectionChanged() in a separate thread.
+ * This allows an asynchronous and/or delayed handling of selection changes
+ */
+ private class DelaySelection implements Runnable{
+ private IWorkbenchPart part;
+ private ISelection selection;
+
+ public DelaySelection(IWorkbenchPart part, ISelection selection) {
+ super();
+ this.part = part;
+ this.selection = selection;
+ }
+
+ @Override
+ public void run() {
+ try{
+ selectionChanged_internal(part, selection);
+ }
+ finally{
+ isInDelay = false;
+ }
+ }
+
+ public synchronized void setSelection(ISelection selection) {
+ this.selection = selection;
+ }
+
+ public synchronized void setPart(IWorkbenchPart part) {
+ this.part = part;
+ }
+
+ }
+
private ConversationHolder conversation;
private TreeViewer viewer;
control.setMenu(menu);
//init tree
- updateRootEntities(((DerivateViewEditorInput)getEditorInput()).getDerivativeUuids());
+ Collection<UUID> derivativeUuids = ((DerivateViewEditorInput)getEditorInput()).getDerivativeUuids();
+ checkWarnThreshold(derivativeUuids);
+ updateRootEntities(derivativeUuids);
//set taxon filter
derivateSearchCompositeController.setTaxonFilter(((DerivateViewEditorInput) getEditorInput()).getTaxonUuid());
//reset status bar
cdmEntitySession.dispose();
}
}
-
- @Override
- public void selectionChanged(IWorkbenchPart part, ISelection selection) {
- if(part == this){
+ public void selectionChanged_internal(IWorkbenchPart part, ISelection selection) {
+ if(part == this){
return;
}
if(viewer.getTree().isDisposed()){
for (SpecimenOrObservationBase specimenOrObservationBase : fieldUnits) {
uuids.add(specimenOrObservationBase.getUuid());
}
+ checkWarnThreshold(uuids);
updateRootEntities(uuids);
setPartName("Derivative Editor: " + selectedTaxon.getName());
}
}
}
+ @Override
+ public void selectionChanged(IWorkbenchPart part, ISelection selection) {
+ if(delaySelection==null){
+ delaySelection = new DelaySelection(part, selection);
+ }
+ delaySelection.setPart(part);
+ delaySelection.setSelection(selection);
+ if(!isInDelay){
+ isInDelay = true;
+ Display.getCurrent().asyncExec(delaySelection);
+ }
+ }
+
+
+ private void checkWarnThreshold(Collection<UUID> uuids) {
+ if(uuids!=null && uuids.size()>WARN_THRESHOLD){
+ MessagingUtils.warningDialog("Performance warning", this.getClass(), String.format("Specimens will not be loaded!\n"
+ + "There are %d specimens associated with the current "
+ + "selection. If you really want to show all of them in the specimen editor please "
+ + "use the taxon filter in the search bar.", uuids.size()));
+ uuids.clear();
+ }
+ }
+
public TreeViewer getViewer() {
return viewer;
}