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;
//create context menu
MenuManager menuManager = new MenuManager();
+ menuManager.setRemoveAllWhenShown(true);
getSite().registerContextMenu(menuManager, viewer);
Control control = viewer.getControl();
Menu menu = menuManager.createContextMenu(control);
control.setMenu(menu);
//init tree
- updateRootEntities();
+ Collection<UUID> derivativeUuids = ((DerivateViewEditorInput)getEditorInput()).getDerivativeUuids();
+ checkWarnThreshold(derivativeUuids);
+ updateRootEntities(derivativeUuids);
+ //set taxon filter
+ derivateSearchCompositeController.setTaxonFilter(((DerivateViewEditorInput) getEditorInput()).getTaxonUuid());
+ //reset status bar
+ getEditorSite().getActionBars().getStatusLineManager().setMessage("");
//add drag'n'drop support
Transfer[] transfers = new Transfer[] {LocalSelectionTransfer.getTransfer(),};
conversation.bind();
}
/*
- * If the active session is not the session of the Derivate Editor then we will
- * save it, bind temporarily to our session and rebind to the original session.
- * This happens e.g. if a selection change happens in the taxon editor and
- * "Link with editor" is enabled. The selection change event and thus the
- * loading in updateRootEntities() happens in the session of the taxon
- * editor.
+ * If the active session is not the session of the Derivative Editor
+ * then we will save the active session for later, bind temporarily
+ * to our session and rebind to the original session when we are
+ * done. This happens e.g. if a selection change happens in the
+ * taxon editor and "Link with editor" is enabled. The selection
+ * change event and thus the loading in updateRootEntities() happens
+ * in the session of the taxon editor.
*/
ICdmEntitySession previousCdmEntitySession = CdmStore.getCurrentSessionManager().getActiveSession();
if(cdmEntitySession != null) {
public void updateRootEntities(List<SpecimenOrObservationBase> derivates) {
-
if(derivates!=null){
this.derivateToRootEntityMap = new HashMap<SpecimenOrObservationBase<?>, SpecimenOrObservationBase<?>>();
this.rootElements = new HashSet<SpecimenOrObservationBase<?>>();
rootElements.add(specimen);
}
}
- labelProvider.initCache(rootElements);
+ labelProvider.updateLabelCache(rootElements);
viewer.setInput(rootElements);
getEditorSite().getActionBars().getStatusLineManager().setMessage(rootElements.size() +" derivative hierarchies found");
+ //set selection to derivatives if the filter criteria
+ //taxon assignment or derivative type are set
+ if(derivates!=null && !derivateSearchCompositeController.isDefaultSearch()){
+ List<TreeNode> nodesToSelect = new ArrayList<TreeNode>();
+ for (SpecimenOrObservationBase specimenOrObservationBase : derivates) {
+ nodesToSelect.add(new TreeNode(specimenOrObservationBase));
+ }
+ viewer.setSelection(new StructuredSelection(nodesToSelect));
+ }
+ else{
+ viewer.setSelection(null);
+ }
+
+ }
+
+ public void updateLabelCache(){
+ labelProvider.updateLabelCache(rootElements);
}
@Override
* Refreshes the derivate hierarchy tree
*/
public void refreshTree(){
- viewer.refresh();
+ if(!viewer.getTree().isDisposed()){
+ viewer.refresh();
+ }
}
//FIXME:Remoting hack to make this work for remoting
cdmEntitySession.dispose();
}
}
-
- @Override
- public void selectionChanged(IWorkbenchPart part, ISelection selection) {
+ public void selectionChanged_internal(IWorkbenchPart part, ISelection selection) {
+ if(part == this){
+ return;
+ }
if(viewer.getTree().isDisposed()){
return;
}
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;
}
@Override
public void contextStop(IMemento memento, IProgressMonitor monitor) {
derivateSearchCompositeController.setEnabled(false);
- viewer.getTree().setEnabled(false);
- viewer.setInput(null);
+ if(!viewer.getTree().isDisposed()) {
+ viewer.getTree().setEnabled(false);
+ viewer.setInput(null);
+ }
}
/**
@Override
public void contextStart(IMemento memento, IProgressMonitor monitor) {
derivateSearchCompositeController.setEnabled(!listenToSelectionChange);
- viewer.getTree().setEnabled(true);
+ if(!viewer.getTree().isDisposed()){
+ viewer.getTree().setEnabled(true);
+ }
refreshTree();
}