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import org.eclipse.jface.action.IAction; |
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import org.eclipse.jface.action.IAction; |
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import org.eclipse.jface.text.ITextViewer; |
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import org.eclipse.jface.text.ITextViewer; |
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import org.eclipse.jst.pagedesigner.dnd.internal.DesignerSourceDropTargetListener; |
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import org.eclipse.jst.pagedesigner.dnd.internal.DesignerSourceDropTargetListener; |
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import org.eclipse.swt.dnd.DND; |
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import org.eclipse.swt.dnd.DropTarget; |
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import org.eclipse.ui.texteditor.ITextEditorDropTargetListener; |
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import org.eclipse.ui.texteditor.ITextEditorDropTargetListener; |
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import org.eclipse.wst.sse.ui.StructuredTextEditor; |
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import org.eclipse.wst.sse.ui.StructuredTextEditor; |
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/** |
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/** |
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* @author mengbo |
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* @author mengbo |
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*/ |
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*/ |
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public class DesignerStructuredTextEditorJSP extends StructuredTextEditor { |
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public class DesignerStructuredTextEditorJSP extends StructuredTextEditor |
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protected void initializeDrop(ITextViewer textViewer) { |
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{ |
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// It seems if we don't skip this method, our drag drop listener will |
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private ITextEditorDropTargetListener _dropTargetListener; |
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// can't be enabled. |
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private DropTarget _dropTarget; |
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} |
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public IAction getAction(String actionID) { |
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@Override |
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try { |
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protected void initializeDrop(final ITextViewer viewer) |
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return super.getAction(actionID); |
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{ |
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} catch (Exception e) { |
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int operations = DND.DROP_COPY | DND.DROP_MOVE; |
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return null; |
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_dropTarget = new DropTarget(viewer.getTextWidget(), operations); |
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} |
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_dropTargetListener = |
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} |
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new DesignerSourceDropTargetListener(this); |
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_dropTarget.setTransfer(_dropTargetListener.getTransfers()); |
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_dropTarget.addDropListener(_dropTargetListener); |
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} |
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public Object getAdapter(Class required) { |
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@Override |
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if (ITextEditorDropTargetListener.class.equals(required)) { |
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public IAction getAction(final String actionID) |
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DesignerSourceDropTargetListener listener = new DesignerSourceDropTargetListener( |
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{ |
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this); |
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try |
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return listener; |
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{ |
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} |
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return super.getAction(actionID); |
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} catch (final Exception e) |
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{ |
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return null; |
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} |
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} |
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@Override |
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public Object getAdapter(final Class required) |
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{ |
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if (ITextEditorDropTargetListener.class.equals(required)) |
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{ |
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final DesignerSourceDropTargetListener listener = new DesignerSourceDropTargetListener( |
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this); |
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return listener; |
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} |
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return super.getAdapter(required); |
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return super.getAdapter(required); |
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} |
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} |
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@Override |
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public void dispose() |
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{ |
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if (_dropTargetListener != null) |
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{ |
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_dropTargetListener = null; |
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} |
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if (_dropTarget != null) |
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{ |
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_dropTarget.dispose(); |
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_dropTarget = null; |
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} |
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super.dispose(); |
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} |
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} |
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} |
