]> gerrit.simantics Code Review - simantics/district.git/blob
a9ef98a2b7db1982bef4b614916534eda797019d
[simantics/district.git] /
1 package org.simantics.district.network.ui.contributions;
2
3 import java.awt.geom.AffineTransform;
4 import java.awt.geom.NoninvertibleTransformException;
5 import java.awt.geom.Point2D;
6 import java.lang.reflect.InvocationTargetException;
7 import java.util.Collection;
8 import java.util.List;
9 import java.util.Optional;
10 import java.util.concurrent.TimeUnit;
11
12 import javax.inject.Named;
13
14 import org.eclipse.core.commands.ParameterizedCommand;
15 import org.eclipse.e4.core.di.annotations.CanExecute;
16 import org.eclipse.e4.core.di.annotations.Execute;
17 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
18 import org.eclipse.e4.ui.services.IServiceConstants;
19 import org.eclipse.jface.viewers.ISelection;
20 import org.eclipse.ui.IEditorPart;
21 import org.simantics.Simantics;
22 import org.simantics.databoard.Bindings;
23 import org.simantics.db.ReadGraph;
24 import org.simantics.db.Resource;
25 import org.simantics.db.WriteGraph;
26 import org.simantics.db.common.request.ReadRequest;
27 import org.simantics.db.common.request.WriteRequest;
28 import org.simantics.db.exception.DatabaseException;
29 import org.simantics.db.layer0.SelectionHints;
30 import org.simantics.db.layer0.util.RemoverUtil;
31 import org.simantics.db.request.Read;
32 import org.simantics.diagram.stubs.DiagramResource;
33 import org.simantics.district.network.DistrictNetworkUtil;
34 import org.simantics.district.network.ModelledCRS;
35 import org.simantics.district.network.ontology.DistrictNetworkResource;
36 import org.simantics.district.network.ui.DNEdgeBuilder;
37 import org.simantics.district.network.ui.DistrictDiagramEditor;
38 import org.simantics.district.network.ui.NetworkDrawingParticipant;
39 import org.simantics.g2d.canvas.ICanvasContext;
40 import org.simantics.g2d.participant.MouseUtil;
41 import org.simantics.g2d.participant.MouseUtil.MouseInfo;
42 import org.simantics.maps.elevation.server.SingletonTiffTileInterface;
43 import org.simantics.maps.elevation.server.prefs.MapsElevationServerPreferences;
44 import org.simantics.ui.workbench.e4.E4WorkbenchUtils;
45 import org.simantics.utils.threads.ThreadUtils;
46 import org.simantics.utils.ui.ISelectionUtils;
47 import org.slf4j.Logger;
48 import org.slf4j.LoggerFactory;
49
50 public class ChangeVertexToRoutePointHandler {
51
52     private static final Logger LOGGER = LoggerFactory.getLogger(ChangeVertexToRoutePointHandler.class);
53     static List<Resource> elements;
54     static boolean cut = true;
55
56     @CanExecute
57     public boolean canExecute(@Named(IServiceConstants.ACTIVE_SELECTION) ISelection selection) {
58         List<Resource> elements = ISelectionUtils.getPossibleKeys(selection, SelectionHints.KEY_MAIN, Resource.class);
59         if (elements.size() != 1)
60             return false;
61         try {
62             return Simantics.getSession().syncRequest(new Read<Boolean>() {
63
64                 @Override
65                 public Boolean perform(ReadGraph graph) throws DatabaseException {
66                     DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
67                     for (Resource selection : elements) {
68                         if (graph.isInstanceOf(selection, DN.Vertex)) {
69                             Collection<Resource> startingEdge = graph.getObjects(selection, DN.HasStartVertex_Inverse);
70                             Collection<Resource> endingEdge = graph.getObjects(selection, DN.HasEndVertex_Inverse);
71                             return startingEdge.size() == 1 && endingEdge.size() == 1;
72                         }
73                     }
74                     return false;
75                 }
76             });
77         } catch (DatabaseException e) {
78             LOGGER.error("Could not evaluate if mapping can be changed for selection {}", elements, e);
79             return false;
80         }
81     }
82
83     @Execute
84     public void execute(@Named(IServiceConstants.ACTIVE_PART) MPart mActiveEditorPart, @Named(IServiceConstants.ACTIVE_SELECTION) Object selection, ParameterizedCommand command) {
85         final List<Resource> elements = ISelectionUtils.getPossibleKeys(selection, SelectionHints.KEY_MAIN, Resource.class);
86         
87         Resource vertex = elements.get(0);
88         try {
89             Point2D mouseClicked = mouseClickedOnEditor(mActiveEditorPart);
90             if (mouseClicked != null) {
91                 
92                 IEditorPart activeEditorPart = E4WorkbenchUtils.getActiveIEditorPart(mActiveEditorPart);
93                 if (activeEditorPart == null)
94                     return;
95                 if (!(activeEditorPart instanceof DistrictDiagramEditor))
96                     return;
97                 DistrictDiagramEditor editor = (DistrictDiagramEditor) activeEditorPart;
98                 Resource diagram = editor.getInputResource();
99                 
100                 Simantics.getSession().asyncRequest(new WriteRequest() {
101                     
102                     @Override
103                     public void perform(WriteGraph graph) throws DatabaseException {
104                         DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
105                         DiagramResource DIA = DiagramResource.getInstance(graph);
106                         // we support only single start & end edge
107                         Resource startingEdge = graph.getSingleObject(vertex, DN.HasEndVertex_Inverse);
108                         Resource endingEdge = graph.getSingleObject(vertex, DN.HasStartVertex_Inverse);
109                         double[] startingDetailed = graph.getPossibleRelatedValue(startingEdge, DN.Edge_HasGeometry);
110                         double[] endingDetailed = graph.getPossibleRelatedValue(endingEdge, DN.Edge_HasGeometry);
111                         Resource endingVertex = graph.getSingleObject(endingEdge, DN.HasEndVertex);
112                         int length = startingDetailed.length + 2 + endingDetailed.length;
113                         double[] newDetailed = new double[length];
114                         for (int i = 0; i < startingDetailed.length; i++) {
115                             double d = startingDetailed[i];
116                             newDetailed[i] = d;
117                         }
118                         double[] coords = graph.getRelatedValue2(vertex, DIA.HasLocation);
119                         int currentVertexIndex = startingDetailed.length;
120                         newDetailed[currentVertexIndex] = coords[0];
121                         newDetailed[currentVertexIndex + 1] = coords[1];
122                         int f = startingDetailed.length +  2;
123                         for (int i = 0; i < endingDetailed.length; i++) {
124                             double d = endingDetailed[i];
125                             newDetailed[f + i] = d;
126                         }
127                         graph.deny(startingEdge, DN.Edge_HasGeometry);
128                         graph.claimLiteral(startingEdge, DN.Edge_HasGeometry, newDetailed, Bindings.DOUBLE_ARRAY);
129                         
130                         graph.deny(startingEdge, DN.HasEndVertex);
131                         graph.claim(startingEdge, DN.HasEndVertex, endingVertex);
132                         
133                         RemoverUtil.remove(graph, vertex);
134                     }
135                 });
136             } else {
137                 LOGGER.warn("No mouseClicked for editor {}", mActiveEditorPart);
138             }
139         } catch (InvocationTargetException e) {
140             LOGGER.error("Could not change route point to vertex", e);
141         }
142     }
143
144     private static Point2D mouseClickedOnEditor(MPart mActiveEditorPart) throws InvocationTargetException {
145         IEditorPart activeEditorPart = E4WorkbenchUtils.getActiveIEditorPart(mActiveEditorPart);
146         if (activeEditorPart == null)
147             return null;
148         if (!(activeEditorPart instanceof DistrictDiagramEditor))
149             return null;
150         DistrictDiagramEditor editor = (DistrictDiagramEditor) activeEditorPart;
151        
152         ICanvasContext ctx = editor.getAdapter(ICanvasContext.class);
153         NetworkDrawingParticipant drawingParticipant = ctx.getAtMostOneItemOfClass(NetworkDrawingParticipant.class);
154         AffineTransform drawingTransform = drawingParticipant.getTransform();
155         MouseUtil util = ctx.getAtMostOneItemOfClass(MouseUtil.class);
156         MouseInfo mouseInfo = util.getMousePressedInfo(0);
157         if (mouseInfo == null) {
158             return null;
159         }
160         Point2D canvasPosition = mouseInfo.canvasPosition;
161         Point2D transformed = null;
162         try {
163             transformed = drawingTransform.inverseTransform(canvasPosition, new Point2D.Double());
164         } catch (NoninvertibleTransformException e) {
165             LOGGER.error("Could not create inverse transform of {}", drawingTransform, e);
166             throw new InvocationTargetException(e);
167         }
168         double x = ModelledCRS.xToLongitude(transformed.getX());
169         double y = ModelledCRS.yToLatitude(-transformed.getY());
170         return new Point2D.Double(x, y);
171     }
172 }