/** Adds drag and drop support to the tree viewer. */
private void addDragAndDropSupport() {
final DelegatingDropAdapter dropAdapter = new DelegatingDropAdapter();
dropAdapter.addDropTargetListener(
new AlarmTreeLocalSelectionDropListener(this, _ldapModificationItems));
dropAdapter.addDropTargetListener(
new AlarmTreeProcessVariableDropListener(this, _ldapModificationItems));
_viewer.addDropSupport(DND.DROP_COPY | DND.DROP_MOVE, dropAdapter.getTransfers(), dropAdapter);
final DelegatingDragAdapter dragAdapter = new DelegatingDragAdapter();
dragAdapter.addDragSourceListener(new AlarmTreeLocalSelectionDragListener(this));
dragAdapter.addDragSourceListener(new AlarmTreeProcessVariableDragListener(this));
dragAdapter.addDragSourceListener(new AlarmTreeTextDragListener(this));
_viewer.addDragSupport(DND.DROP_COPY | DND.DROP_MOVE, dragAdapter.getTransfers(), dragAdapter);
}
/**
* Configures (or reconfigures) the page according to the given configuration.
*
* @param configuration
*/
public void setConfiguration(ContentOutlineConfiguration configuration) {
// intentionally do not check to see if the new configuration != old
// configuration
unconfigure();
fConfiguration = configuration;
if (getTreeViewer() != null && getControl() != null && !getControl().isDisposed()) {
// (re)set the providers
ILabelProvider labelProvider = getConfiguration().getLabelProvider(getTreeViewer());
if (labelProvider instanceof IStyledLabelProvider) {
getTreeViewer()
.setLabelProvider(
new DelegatingStyledCellLabelProvider((IStyledLabelProvider) labelProvider));
} else {
getTreeViewer().setLabelProvider(labelProvider);
}
getTreeViewer().setContentProvider(getConfiguration().getContentProvider(getTreeViewer()));
// view toolbar
IContributionManager toolbar = getSite().getActionBars().getToolBarManager();
if (toolbar != null) {
IContributionItem[] toolbarItems =
getConfiguration().getToolbarContributions(getTreeViewer());
if (toolbarItems != null) {
for (int i = 0; i < toolbarItems.length; i++) {
toolbar.add(toolbarItems[i]);
}
toolbar.update(true);
}
}
// view menu
IContributionManager menu = getSite().getActionBars().getMenuManager();
if (menu != null) {
IContributionItem[] menuItems = getConfiguration().getMenuContributions(getTreeViewer());
if (menuItems != null) {
for (int i = 0; i < menuItems.length; i++) {
menuItems[i].setVisible(true);
menu.add(menuItems[i]);
menuItems[i].update();
}
menu.update(true);
}
}
// add the allowed DnD listeners and types
TransferDragSourceListener[] dragListeners =
getConfiguration().getTransferDragSourceListeners(getTreeViewer());
if (fDragAdapter != null && dragListeners.length > 0) {
for (int i = 0; i < dragListeners.length; i++) {
fDragAdapter.addDragSourceListener(dragListeners[i]);
}
fActiveDragListeners = dragListeners;
fDragSource.addDragListener(fDragAdapter);
fDragSource.setTransfer(fDragAdapter.getTransfers());
}
TransferDropTargetListener[] dropListeners =
getConfiguration().getTransferDropTargetListeners(getTreeViewer());
if (fDropAdapter != null && dropListeners.length > 0) {
for (int i = 0; i < dropListeners.length; i++) {
fDropAdapter.addDropTargetListener(dropListeners[i]);
}
fActiveDropListeners = dropListeners;
fDropTarget.addDropListener(fDropAdapter);
fDropTarget.setTransfer(fDropAdapter.getTransfers());
}
// add the key listeners
KeyListener[] listeners = getConfiguration().getKeyListeners(getTreeViewer());
if (listeners != null) {
for (int i = 0; i < listeners.length; i++) {
getControl().addKeyListener(listeners[i]);
}
}
}
if (fInput != null) {
setInput(fInput);
}
}