Prevent unnecessary read transaction for synch master typical handle
[simantics/platform.git] / bundles / org.simantics.modeling.ui / src / org / simantics / modeling / ui / handlers / e4 / SyncCurrentTypicalTemplateToInstances.java
1 package org.simantics.modeling.ui.handlers.e4;
2
3 import javax.inject.Named;
4
5 import org.eclipse.e4.core.di.annotations.CanExecute;
6 import org.eclipse.e4.core.di.annotations.Execute;
7 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
8 import org.eclipse.e4.ui.services.IServiceConstants;
9 import org.eclipse.jface.dialogs.MessageDialog;
10 import org.eclipse.swt.widgets.Shell;
11 import org.eclipse.ui.IEditorPart;
12 import org.eclipse.ui.internal.e4.compatibility.CompatibilityEditor;
13 import org.simantics.DatabaseJob;
14 import org.simantics.Simantics;
15 import org.simantics.db.Resource;
16 import org.simantics.db.Session;
17 import org.simantics.db.exception.DatabaseException;
18 import org.simantics.modeling.typicals.SyncTypicalTemplatesToInstances;
19 import org.simantics.modeling.ui.diagramEditor.DiagramEditor;
20 import org.simantics.modeling.ui.documents.OpenPlainTextDocumentAdapter;
21 import org.simantics.modeling.ui.property.TypicalPropertyTester;
22 import org.simantics.modeling.ui.typicals.RuleChooserDialog;
23 import org.simantics.ui.workbench.IResourceEditorInput;
24 import org.simantics.utils.ui.ErrorLogger;
25 import org.simantics.utils.ui.workbench.WorkbenchUtils;
26
27 /**
28  * @author Tuukka Lehtonen
29  */
30 public class SyncCurrentTypicalTemplateToInstances {
31
32     @CanExecute
33     public boolean canExecute(@Named(IServiceConstants.ACTIVE_PART) MPart mActiveEditor) throws DatabaseException, InterruptedException {
34         // TODO: Fix this when we get rid of CompatibilityEditors
35         IEditorPart activeEditor = null;
36         if (mActiveEditor != null && mActiveEditor.getObject()instanceof CompatibilityEditor) {
37             CompatibilityEditor compEditor = (CompatibilityEditor) mActiveEditor.getObject();
38             activeEditor = compEditor.getEditor();
39         } else {
40             // TODO: This is not good practice with E4 but an OK fallback for now
41             activeEditor = WorkbenchUtils.getActiveEditor();
42         }
43         if (activeEditor == null || (!(activeEditor instanceof DiagramEditor)))
44             return false;
45         if (DatabaseJob.inProgress())
46             return false;
47         if (activeEditor.getEditorInput() instanceof IResourceEditorInput) {
48             IResourceEditorInput input = (IResourceEditorInput) activeEditor.getEditorInput();
49             return TypicalPropertyTester.isTypicalMasterEditor(Simantics.getSession(), input.getResource());
50         } else {
51             return false;
52         }
53     }
54     
55     @Execute
56     public void execute(@Named(IServiceConstants.ACTIVE_SHELL) Shell shell, @Named(IServiceConstants.ACTIVE_PART) MPart mActiveEditor) {
57         // TODO: Fix this when we get rid of CompatibilityEditors
58         IEditorPart activeEditor = null;
59         Object editor = mActiveEditor.getObject();
60         if (editor instanceof CompatibilityEditor) {
61             CompatibilityEditor compEditor = (CompatibilityEditor) editor;
62             activeEditor = compEditor.getEditor();
63         } else {
64             // TODO: This is not good practice with E4 but an OK fallback for now
65             activeEditor = WorkbenchUtils.getActiveEditor();
66         }
67         if (activeEditor == null)
68             return;
69
70         IResourceEditorInput input = (IResourceEditorInput) activeEditor.getEditorInput();
71         Session session = Simantics.getSession();
72
73 //        if (!MessageDialog
74 //                .openConfirm(shell,
75 //                        "Synchronize Typical Template With Instances",
76 //                        "Are you sure you want to synchronize all instances of this typical template with the template?"))
77 //            return null;
78
79         try {
80             if (!TypicalPropertyTester.isTypicalMasterEditor(session, input.getResource())) {
81                 MessageDialog.openInformation(shell, "Not Synchronizing", "Currently active editor is not a typical diagram template editor.");
82                 return;
83             }
84
85             RuleChooserDialog.RuleResult result = RuleChooserDialog.choose(shell, "Synchronizing typical template to all its instances.", new Resource[] { input.getResource() });
86             if(result == null) return;
87
88             session.markUndoPoint();
89             SyncTypicalTemplatesToInstances req = new SyncTypicalTemplatesToInstances(result.selectedRules, input.getResource()).logging(result.logging); 
90             session.syncRequest(req);
91             if (result.logging) {
92                 for(Resource log : req.logs)
93                     new OpenPlainTextDocumentAdapter().openEditor(log);
94             }
95         } catch (Exception e) {
96             ErrorLogger.defaultLogError(e);
97         }
98         return;
99     }
100
101 }