public void handleEvent()

in uimaj-ep-configurator/src/main/java/org/apache/uima/taeconfigurator/editors/ui/IndexSection.java [270:396]
115 lines of code
27 McCabe index (conditional complexity)

  public void handleEvent(Event event) {

    if (event.widget == addIndexButton) {
      if (notAllowed("Adding an Index"))
        return;
      // creating the dialog and open it
      AddIndexDialog dialog = new AddIndexDialog(this);
      if (dialog.open() == Window.CANCEL)
        return;

      FsIndexDescription id = UIMAFramework.getResourceSpecifierFactory()
              .createFsIndexDescription();

      id.setLabel(dialog.indexName);
      id.setTypeName(dialog.indexType);
      id.setKeys(dialog.keys);
      id.setKind(dialog.indexKind);

      addFsIndexDescription(id);

      updateIndexSpec(new TreeItem(tt, SWT.NONE), id);

      maybeSetSelection(tt, tt.getItemCount() - 1);
      packTree(tt);
      setFileDirty();
    } else if (event.widget == addKeyButton) {
      if (notAllowed("Adding an Index"))
        return;
      TreeItem parent = tt.getSelection()[0];
      if (null != parent.getParentItem())
        parent = parent.getParentItem();
      if (foolingAroundWithAnnotationIndex(parent))
        return;
      FsIndexDescription fsid = getFsIndexDescriptionFromTableTreeItem(parent);
      AddIndexKeyDialog dialog = new AddIndexKeyDialog(this, fsid.getTypeName(),
              handleDefaultIndexKind(fsid.getKind()), getAlreadyUsedFeatures(fsid));
      FsIndexKeyDescription newKey = addOrEditIndexKey(dialog, null);
      if (null != newKey) {
        addFsIndexKeyDescription(fsid, newKey);
        updateKeySpec(new TreeItem(parent, SWT.NONE), newKey);
        parent.setExpanded(true);
        setFileDirty();
      }
    } else if (event.widget == removeButton) {
      TreeItem item = tt.getSelection()[0];
      if (foolingAroundWithAnnotationIndex(item))
        return;
      Object o = item.getData();
      if (o instanceof FsIndexDescription) {
        if (Window.CANCEL == Utility.popOkCancel("Confirm Remove",
                "Do you want to remove this index?", MessageDialog.WARNING))
          return;
        removeFsIndexDescription((FsIndexDescription) o);
      } else {
        if (Window.CANCEL == Utility.popOkCancel("Confirm Remove",
                "Do you want to remove this key?", MessageDialog.WARNING))
          return;
        TreeItem parent = item.getParentItem();
        FsIndexDescription fsid = getFsIndexDescriptionFromTableTreeItem(parent);
        removeFsIndexKeyDescription(fsid, (FsIndexKeyDescription) o);
      }
      setSelectionOneUp(tt, item);
      // tt.setSelection(tt.getTable().getSelectionIndex() - 1);
      item.dispose();
      setFileDirty();
    } else if (event.widget == editButton || event.type == SWT.MouseDoubleClick) {
      if (notAllowed("Adding an Index"))
        return;
      if (tt.getSelectionCount() != 1)
        return;
      TreeItem item = tt.getSelection()[0];
      if (foolingAroundWithAnnotationIndex(item))
        return;
      Object o = item.getData();
      if (o instanceof FsIndexDescription) {
        FsIndexDescription fsid = (FsIndexDescription) o;
        AddIndexDialog dialog = new AddIndexDialog(this, fsid);
        if (dialog.open() == Window.CANCEL)
          return;

        valueChanged = false;
        fsid.setLabel(setValueChanged(dialog.indexName, fsid.getLabel()));
        fsid.setTypeName(setValueChanged(dialog.indexType, fsid.getTypeName()));
        fsid.setKeys(setValueChangedKeys(dialog.keys, fsid.getKeys()));
        fsid.setKind(setValueChanged(dialog.indexKind, handleDefaultIndexKind(fsid.getKind())));

        updateIndexSpec(item, fsid);

        if (valueChanged) {
          packTree(tt);
          setFileDirty();
        }
      } else { // editing a key
        if (notAllowed("Adding an Index"))
          return;
        FsIndexKeyDescription key = (FsIndexKeyDescription) o;
        TreeItem parent = item.getParentItem();
        FsIndexDescription fsid = getFsIndexDescriptionFromTableTreeItem(parent);
        AddIndexKeyDialog dialog = new AddIndexKeyDialog(this, fsid.getTypeName(),
                handleDefaultIndexKind(fsid.getKind()), getAlreadyUsedFeatures(fsid), key);
        valueChanged = false;
        addOrEditIndexKey(dialog, key);
        if (valueChanged) {
          updateKeySpec(item, key);
          packTree(tt);
          setFileDirty();
        }
      }
    } else if (event.widget == upButton) {
      int i = getIndex(tt.getSelection()[0]);
      swapIndexKeys(tt.getSelection()[0], i - 1);
      setFileDirty();
    } else if (event.widget == downButton) {
      int i = getIndex(tt.getSelection()[0]);

      TreeItem[] items = tt.getSelection()[0].getParentItem().getItems();
      swapIndexKeys(items[i + 1], i + 1);
    } else if (event.widget == exportButton) {
      try {
        indexImportSection.exportImportablePart("<fsIndexCollection>",
                FsIndexCollectionNewWizard.FSINDEXCOLLECTION_TEMPLATE);
      } finally {
        refresh(); // update in case of throw, even
      }
    }
    enable();
  }