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package eu.etaxonomy.taxeditor.navigation.navigator;
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import org.eclipse.swt.dnd.DND;
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import org.eclipse.swt.dnd.Transfer;
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import org.eclipse.swt.widgets.Composite;
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import org.eclipse.ui.internal.navigator.NavigatorContentService;
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import org.eclipse.ui.internal.navigator.dnd.NavigatorDnDService;
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import org.eclipse.ui.navigator.CommonDragAdapter;
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import org.eclipse.ui.navigator.CommonDropAdapter;
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import org.eclipse.ui.navigator.CommonViewer;
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import org.eclipse.ui.navigator.INavigatorContentService;
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import eu.etaxonomy.taxeditor.dnd.transfer.TaxonNodeTransfer;
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public class TaxonNavigatorViewer extends CommonViewer {
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private NavigatorContentService contentService;
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String viewerId;
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public TaxonNavigatorViewer(String aViewerId, Composite aParent, int aStyle) {
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super(aViewerId, aParent, aStyle);
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contentService = new TaxonNavigatorContentService(aViewerId, this);
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viewerId = aViewerId;
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}
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@Override
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protected void initDragAndDrop() {
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int operations = DND.DROP_MOVE ;
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CommonDragAdapter dragAdapter = createDragAdapter();
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addDragSupport(operations, dragAdapter.getSupportedDragTransfers(),
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dragAdapter);
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Transfer[] transfers = new Transfer[] { TaxonNodeTransfer.getInstance() };
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TreeNodeDropAdapter dropAdapter = createTreeNodeDropAdapter();
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addDropSupport(operations, transfers, dropAdapter);
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TaxonNavigatorDnDService dnd = (TaxonNavigatorDnDService)getNavigatorContentService().getDnDService();
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dnd.setDropAdaptor(dropAdapter);
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}
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protected TreeNodeDropAdapter createTreeNodeDropAdapter() {
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return new TreeNodeDropAdapter(this);
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}
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public NavigatorContentService getNavigatorContentService(){
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if (contentService == null){
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contentService = new TaxonNavigatorContentService(viewerId);
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}
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return contentService;
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}
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}
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