--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ * VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.modeling.ui.modelBrowser.handlers;\r
+\r
+import java.lang.reflect.InvocationTargetException;\r
+import java.util.Set;\r
+\r
+import org.eclipse.core.commands.AbstractHandler;\r
+import org.eclipse.core.commands.ExecutionEvent;\r
+import org.eclipse.core.commands.ExecutionException;\r
+import org.eclipse.core.runtime.IProgressMonitor;\r
+import org.eclipse.core.runtime.IStatus;\r
+import org.eclipse.core.runtime.Status;\r
+import org.eclipse.jface.dialogs.ProgressMonitorDialog;\r
+import org.eclipse.jface.operation.IRunnableWithProgress;\r
+import org.eclipse.jface.viewers.ISelection;\r
+import org.eclipse.swt.widgets.Shell;\r
+import org.eclipse.ui.handlers.HandlerUtil;\r
+import org.simantics.browsing.ui.NodeContext;\r
+import org.simantics.browsing.ui.common.node.DeleteException;\r
+import org.simantics.browsing.ui.common.node.IDeletable;\r
+import org.simantics.browsing.ui.common.node.IDeletableNode;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.db.common.request.WriteRequest;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.exception.CannotRemoveException;\r
+import org.simantics.db.layer0.util.RemoverUtil;\r
+import org.simantics.modeling.ui.Activator;\r
+import org.simantics.modeling.ui.modelBrowser.model.INode;\r
+import org.simantics.modeling.ui.modelBrowser.model.INode2;\r
+import org.simantics.ui.SimanticsUI;\r
+import org.simantics.utils.logging.TimeLogger;\r
+import org.simantics.utils.ui.ErrorLogger;\r
+import org.simantics.utils.ui.ISelectionUtils;\r
+import org.simantics.utils.ui.dialogs.ShowMessage;\r
+\r
+/**\r
+ * @author Tuukka Lehtonen\r
+ */\r
+public class DeleteNodeHandler extends AbstractHandler {\r
+\r
+ @Override\r
+ public Object execute(ExecutionEvent event) throws ExecutionException {\r
+ TimeLogger.resetTimeAndLog(getClass(), "execute");\r
+ \r
+ Shell shell = HandlerUtil.getActiveShellChecked(event);\r
+ ISelection sel = HandlerUtil.getCurrentSelection(event);\r
+ Set<NodeContext> ctxs = ISelectionUtils.filterSetSelection(sel, NodeContext.class);\r
+ if (ctxs.isEmpty())\r
+ return null;\r
+\r
+ if (ctxs.size() == 1 && handleLegacyDelete(ctxs.iterator().next())) {\r
+ return null;\r
+ }\r
+\r
+ // If all selected nodes are IDeletableNodes, delete them.\r
+ final Set<IDeletableNode> deletableNodes = ISelectionUtils.filterSetSelection(ctxs, IDeletableNode.class);\r
+ if (!deletableNodes.isEmpty()) {\r
+ // Only delete if all selected nodes are IDeletableNodes\r
+ if (deletableNodes.size() == ctxs.size()) {\r
+ inJob(shell, new IRunnableWithProgress() {\r
+ @Override\r
+ public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {\r
+ monitor.beginTask("Delete selected nodes", IProgressMonitor.UNKNOWN);\r
+ try {\r
+ for (IDeletableNode deletableNode : deletableNodes) {\r
+ deletableNode.delete();\r
+ }\r
+ } catch (DeleteException e) {\r
+ throw new InvocationTargetException(e);\r
+ }\r
+ }\r
+ });\r
+ }\r
+ } else {\r
+ final Set<Resource> rs = ISelectionUtils.filterSetSelection(ctxs, Resource.class);\r
+ if (rs.size() == ctxs.size()) {\r
+ inJob(shell, new IRunnableWithProgress() {\r
+ @Override\r
+ public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {\r
+ monitor.beginTask("Delete selected nodes", IProgressMonitor.UNKNOWN);\r
+ try {\r
+ RemoverUtil.tryCollectionRemover(rs);\r
+ } catch (CannotRemoveException e) {\r
+ ShowMessage.showInformation("Delete Selection Was Denied", e.getLocalizedMessage());\r
+ } catch (DatabaseException e) {\r
+ throw new InvocationTargetException(e);\r
+ }\r
+ }\r
+ });\r
+ }\r
+ }\r
+\r
+ TimeLogger.log("Node deleted");\r
+ return null;\r
+ }\r
+\r
+ private void inJob(Shell shell, final IRunnableWithProgress runnable) {\r
+ ProgressMonitorDialog dialog = new ProgressMonitorDialog(shell);\r
+ try {\r
+ dialog.run(true, false, runnable);\r
+ } catch (InvocationTargetException e) {\r
+ Activator.getDefault().getLog().log( new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Delete failed, see exception for details.", e.getCause()) );\r
+ } catch (InterruptedException e) {\r
+ Activator.getDefault().getLog().log( new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Delete failed, see exception for details.", e.getCause()) );\r
+ }\r
+// Job job = new Job("Delete selection") {\r
+// @Override\r
+// protected IStatus run(IProgressMonitor monitor) {\r
+// monitor.beginTask("Delete selected nodes", IProgressMonitor.UNKNOWN);\r
+// try {\r
+// runnable.run(monitor);\r
+// return Status.OK_STATUS;\r
+// } catch (InvocationTargetException e) {\r
+// return new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Delete failed, see exception for details.", e.getCause());\r
+// } catch (Exception e) {\r
+// return new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Delete failed, see exception for details.", e);\r
+// } finally {\r
+// monitor.done();\r
+// }\r
+// }\r
+// };\r
+// job.setUser(true);\r
+// job.setRule(new ObjectIdentitySchedulingRule(schedulingObject));\r
+// job.schedule();\r
+ }\r
+\r
+
+ /**\r
+ * @param ctx\r
+ * @return\r
+ */\r
+ private boolean handleLegacyDelete(NodeContext ctx) {\r
+ if (ctx.getAdapter(IDeletable.class) == null) {\r
+ return false;\r
+ }\r
+\r
+ final INode node = (INode) ctx.getAdapter(INode.class);\r
+ if (node != null) {\r
+ SimanticsUI.getSession().asyncRequest(new WriteRequest() {\r
+ @Override\r
+ public void perform(WriteGraph graph) throws DatabaseException {\r
+ node.handleDelete(graph);\r
+ }\r
+ });\r
+ return true;\r
+ }\r
+\r
+ INode2 node2 = (INode2) ctx.getAdapter(INode2.class);\r
+ if (node2 != null) {\r
+ try {\r
+ node2.handleDelete();\r
+ } catch (DeleteException e) {\r
+ ShowMessage.showError("Delete failed", e.getMessage());\r
+ ErrorLogger.defaultLogError(e);\r
+ }\r
+ return true;\r
+ }\r
+\r
+ // Could not handle with legacy logic.\r
+ return false;\r
+ }\r
+\r
+}\r
Code Review / simantics / platform.git / blobdiff