1 package org.simantics.district.network.ui;
4 import java.awt.geom.AffineTransform;
5 import java.util.concurrent.TimeUnit;
6 import java.util.function.Consumer;
7 import java.util.function.Supplier;
9 import org.simantics.datatypes.literal.RGB;
10 import org.simantics.db.ReadGraph;
11 import org.simantics.db.Resource;
12 import org.simantics.db.common.request.UnaryRead;
13 import org.simantics.db.exception.DatabaseException;
14 import org.simantics.db.procedure.Listener;
15 import org.simantics.diagram.ui.DiagramModelHints;
16 import org.simantics.district.network.DistrictNetworkUtil;
17 import org.simantics.district.network.ui.participants.DNPointerInteractor;
18 import org.simantics.district.network.ui.participants.MapRulerPainter;
19 import org.simantics.g2d.canvas.ICanvasContext;
20 import org.simantics.g2d.canvas.impl.CanvasContext;
21 import org.simantics.g2d.diagram.handler.PickRequest.PickFilter;
22 import org.simantics.g2d.diagram.participant.DelayedBatchElementPainter;
23 import org.simantics.g2d.diagram.participant.ElementPainter;
24 import org.simantics.g2d.diagram.participant.Selection;
25 import org.simantics.g2d.diagram.participant.ZOrderHandler;
26 import org.simantics.g2d.participant.BackgroundPainter;
27 import org.simantics.g2d.participant.GridPainter;
28 import org.simantics.g2d.participant.PanZoomRotateHandler;
29 import org.simantics.g2d.participant.RenderingQualityInteractor;
30 import org.simantics.g2d.participant.TransformUtil;
31 import org.simantics.g2d.participant.ZoomToAreaHandler;
32 import org.simantics.maps.MapScalingTransform;
33 import org.simantics.maps.eclipse.MapPainter;
34 import org.simantics.maps.sg.commands.MapCommands;
35 import org.simantics.modeling.ui.diagramEditor.DiagramViewer;
36 import org.simantics.scenegraph.g2d.events.command.CommandEvent;
37 import org.simantics.scenegraph.g2d.events.command.Commands;
38 import org.simantics.utils.datastructures.hints.IHintContext;
39 import org.slf4j.Logger;
40 import org.slf4j.LoggerFactory;
42 public class DistrictDiagramViewer extends DiagramViewer {
44 private static final Logger LOGGER = LoggerFactory.getLogger(DistrictDiagramViewer.class);
47 protected void addDiagramParticipants(ICanvasContext ctx) {
48 ctx.add(new ZOrderHandler());
49 ctx.add(new Selection());
50 ctx.add(new ElementPainter());
51 ctx.add(new DNPointerInteractor());
53 AffineTransform tr = new AffineTransform(MapScalingTransform.INSTANCE);
54 ctx.add(new MapPainter(tr));
56 ctx.add(new NetworkDrawingParticipant(tr));
59 protected String getPopupId() {
60 return "#DistrictDiagramPopup";
64 public void initializeCanvasContext(CanvasContext ctx) {
65 super.initializeCanvasContext(ctx);
66 IHintContext h = ctx.getDefaultHintContext();
67 h.setHint(PanZoomRotateHandler.KEY_ZOOM_IN_LIMIT, 10000.0);
68 h.setHint(PanZoomRotateHandler.KEY_ZOOM_OUT_LIMIT, 0.01);
69 h.setHint(DiagramModelHints.KEY_DIAGRAM_RESOURCE, diagramResource);
73 protected void addPainterParticipants(ICanvasContext ctx) {
74 ctx.add(new RenderingQualityInteractor());
75 ctx.add(new DelayedBatchElementPainter(PickFilter.FILTER_MONITORS, 500, TimeUnit.MILLISECONDS));
79 protected void addGridRulerBackgroundParticipants(CanvasContext ctx) {
80 ctx.add(new GridPainter());
81 ctx.add(new MapRulerPainter());
82 ctx.add(new BackgroundPainter());
85 protected void addViewManipulationParticipants(CanvasContext ctx) {
86 // Let's replace with our special util
87 TransformUtil util = ctx.getAtMostOneItemOfClass(TransformUtil.class);
90 ctx.add(new DistrictTransformUtil());
91 ctx.add(new DistrictPanZoomRotateHandler());
92 //ctx.add(new MousePanZoomInteractor());
93 //ctx.add(new MultitouchPanZoomRotateInteractor());
94 // ctx.add( new OrientationRestorer() );
95 ctx.add(new ZoomToAreaHandler());
99 protected void loadPageSettings(ICanvasContext ctx) {
100 super.loadPageSettings(ctx);
101 // this might be the wrong place to start such listening but at least
102 // super.loadPageSettings() does async-db-operations
103 setupDrawMapEnabled();
104 setupBackgroundColor();
107 private void setupDrawMapEnabled() {
108 sessionContext.getSession().asyncRequest(new DrawMapEnabledRequest(getInputResource()), new DrawMapEnabledListener(
109 result -> canvasContext.getEventQueue().queueEvent(new CommandEvent(canvasContext, System.currentTimeMillis(), result ? Commands.MAP_ENABLE : Commands.MAP_DISABLE)),
110 () -> DistrictDiagramViewer.this.isDisposed()));
113 private void setupBackgroundColor() {
114 sessionContext.getSession().asyncRequest(new MapBackgroundColorRequest(getInputResource()), new MapBackgroundColorListener(
115 result -> queueBackgroundColorChangeEvent(result),
116 () -> DistrictDiagramViewer.this.isDisposed()));
119 private void queueBackgroundColorChangeEvent(RGB.Integer result) {
120 if (result != null) {
121 Color backgroundColor = new Color(result.red, result.green, result.blue);
122 canvasContext.getDefaultHintContext().setHint(MapCommands.KEY_MAP_BACKGROUND_COLOR, backgroundColor);
123 canvasContext.getEventQueue().queueEvent(new CommandEvent(canvasContext, System.currentTimeMillis(), MapCommands.MAP_BACKGROUND_COLOR_CHANGE));
127 private static class DrawMapEnabledRequest extends UnaryRead<Resource, Boolean> {
129 public DrawMapEnabledRequest(Resource diagram) {
134 public Boolean perform(ReadGraph graph) throws DatabaseException {
135 return DistrictNetworkUtil.drawMapEnabled(graph, parameter);
139 private static class DrawMapEnabledListener implements Listener<Boolean> {
141 private static final Logger LOGGER = LoggerFactory.getLogger(DrawMapEnabledListener.class);
143 private Consumer<Boolean> callback;
144 private Supplier<Boolean> isDisposed;
146 public DrawMapEnabledListener(Consumer<Boolean> callback, Supplier<Boolean> isDisposed) {
147 this.callback = callback;
148 this.isDisposed = isDisposed;
152 public void execute(Boolean result) {
153 callback.accept(result);
157 public void exception(Throwable t) {
158 LOGGER.error("Could not listen if draw map is enabled", t);
162 public boolean isDisposed() {
163 return isDisposed.get();
167 private static class MapBackgroundColorRequest extends UnaryRead<Resource, RGB.Integer> {
169 public MapBackgroundColorRequest(Resource diagram) {
174 public RGB.Integer perform(ReadGraph graph) throws DatabaseException {
175 return DistrictNetworkUtil.backgroundColor(graph, parameter);
179 private static class MapBackgroundColorListener implements Listener<RGB.Integer> {
181 private static final Logger LOGGER = LoggerFactory.getLogger(DrawMapEnabledListener.class);
183 private Consumer<RGB.Integer> callback;
184 private Supplier<Boolean> isDisposed;
186 public MapBackgroundColorListener(Consumer<RGB.Integer> callback, Supplier<Boolean> isDisposed) {
187 this.callback = callback;
188 this.isDisposed = isDisposed;
192 public void execute(RGB.Integer result) {
193 callback.accept(result);
197 public void exception(Throwable t) {
198 LOGGER.error("Could not listen map background color", t);
202 public boolean isDisposed() {
203 return isDisposed.get();