/*
* @see org.eclipse.swt.dnd.DragSourceListener#dragStart
*/
@Override
public void dragStart(DragSourceEvent event) {
fEditorInputDatas = new ArrayList<EditorInputData>();
ISelection selection = fProvider.getSelection();
if (selection instanceof IStructuredSelection) {
IStructuredSelection structuredSelection = (IStructuredSelection) selection;
for (Iterator<?> iter = structuredSelection.iterator(); iter.hasNext(); ) {
Object element = iter.next();
IEditorInput editorInput = EditorUtility.getEditorInput(element);
if (editorInput != null && editorInput.getPersistable() != null) {
try {
String editorId = EditorUtility.getEditorID(editorInput);
// see org.eclipse.ui.internal.ide.EditorAreaDropAdapter.openNonExternalEditor(..):
IEditorRegistry editorReg = PlatformUI.getWorkbench().getEditorRegistry();
IEditorDescriptor editorDesc = editorReg.findEditor(editorId);
if (editorDesc != null && !editorDesc.isOpenExternal()) {
fEditorInputDatas.add(
EditorInputTransfer.createEditorInputData(editorId, editorInput));
}
} catch (PartInitException e) {
JavaPlugin.log(e);
}
}
}
}
event.doit = fEditorInputDatas.size() > 0;
}
