/* (non-Javadoc)
* @See org.teiid.designer.ui.actions.INewSiblingAction#canCreateChild(org.eclipse.emf.ecore.EObject)
*/
@Override
public boolean canCreateSibling(EObject parent) {
// Convert eObject selection to IFile
ModelResource mr = ModelUtilities.getModelResourceForModelObject(parent);
if (mr != null) {
IFile modelFile = null;
try {
modelFile = (IFile) mr.getCorrespondingResource();
} catch (ModelWorkspaceException ex) {
UiConstants.Util.log(ex);
}
if (modelFile != null) {
return isApplicable(new StructuredSelection(modelFile));
}
}
return false;
}
private EObject createViewProcedureInTxn(
ModelResource modelResource, RelationalViewProcedure viewProcedure) {
EObject newTable = null;
boolean requiredStart =
ModelerCore.startTxn(true, true, Messages.createRelationalViewProcedureTitle, this);
boolean succeeded = false;
try {
ModelEditor editor =
ModelEditorManager.getModelEditorForFile(
(IFile) modelResource.getCorrespondingResource(), true);
if (editor != null) {
boolean isDirty = editor.isDirty();
RelationalViewModelFactory factory = new RelationalViewModelFactory();
RelationalModel relModel = new RelationalModel("dummy"); // $NON-NLS-1$
relModel.addChild(viewProcedure);
factory.build(modelResource, relModel, new NullProgressMonitor());
if (!isDirty && editor.isDirty()) {
editor.doSave(new NullProgressMonitor());
}
succeeded = true;
for (Object child : modelResource.getEObjects()) {
EObject eObj = (EObject) child;
if (ModelerCore.getModelEditor()
.getName(eObj)
.equalsIgnoreCase(this.relationalViewProcedure.getName())) {
newTable = eObj;
break;
}
}
}
} catch (Exception e) {
MessageDialog.openError(
Display.getCurrent().getActiveShell(),
Messages.createRelationalViewProcedureExceptionMessage,
e.getMessage());
IStatus status =
new Status(
IStatus.ERROR,
UiConstants.PLUGIN_ID,
Messages.createRelationalViewProcedureExceptionMessage,
e);
UiConstants.Util.log(status);
return null;
} finally {
// if we started the txn, commit it.
if (requiredStart) {
if (succeeded) {
ModelerCore.commitTxn();
} else {
ModelerCore.rollbackTxn();
}
}
}
return newTable;
}