+++ /dev/null
-package org.simantics.district.network.ui.nodes;
-
-import java.awt.BasicStroke;
-import java.awt.Color;
-import java.awt.Graphics2D;
-import java.awt.geom.Line2D;
-import java.awt.geom.Point2D;
-import java.awt.geom.Rectangle2D;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-
-import org.simantics.Simantics;
-import org.simantics.db.ReadGraph;
-import org.simantics.db.Resource;
-import org.simantics.db.common.procedure.adapter.TransientCacheListener;
-import org.simantics.db.common.request.ResourceRead;
-import org.simantics.db.exception.DatabaseException;
-import org.simantics.db.layer0.util.Layer0Utils;
-import org.simantics.diagram.profile.StyleBase;
-import org.simantics.diagram.stubs.DiagramResource;
-import org.simantics.district.network.DistrictNetworkUtil;
-import org.simantics.district.network.ontology.DistrictNetworkResource;
-import org.simantics.layer0.Layer0;
-import org.simantics.modeling.ModelingResources;
-import org.simantics.scenegraph.INode;
-import org.simantics.scenegraph.g2d.G2DNode;
-import org.simantics.scenegraph.profile.EvaluationContext;
-import org.simantics.scenegraph.profile.common.ProfileVariables;
-import org.simantics.scenegraph.utils.GeometryUtils;
-import org.simantics.scl.compiler.top.ValueNotFound;
-import org.simantics.scl.osgi.SCLOsgi;
-import org.simantics.scl.runtime.SCLContext;
-import org.simantics.scl.runtime.function.Function1;
-import org.simantics.structural.stubs.StructuralResource2;
-
-public class ConnectionLineStyle extends StyleBase<List<Point2D>> {
-
- public static class ConnectionLineNode extends G2DNode {
- private static final BasicStroke STROKE = new BasicStroke(1.f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 1.f, new float[] {4.f, 2.f}, 0.f);
- private static final Color[] colors = { Color.RED, Color.GREEN, Color.BLUE, Color.ORANGE, Color.CYAN, Color.PINK };
-
- private float strokeWidth;
- private Line2D[] lines;
-
- public ConnectionLineNode() {
- super();
- }
-
- private static final long serialVersionUID = 1L;
-
- @Override
- public Rectangle2D getBoundsInLocal() {
- return null;
- }
-
- @Override
- public Rectangle2D getBoundsInLocal(boolean b) {
- return null;
- }
-
- @Override
- public Rectangle2D getBounds() {
- return null;
- }
-
- public void setStrokeWidth(float w) {
- strokeWidth = w;
- }
-
- public void setPoints(List<Point2D> result) {
- Point2D p0 = DistrictNetworkNodeUtils.calculatePoint2D(result.get(0), null);
- lines = new Line2D[result.size() - 1];
- for (int i = 1; i < result.size(); i++)
- {
- Point2D p = result.get(i);
- lines[i-1] = p != null ? new Line2D.Double(p0, DistrictNetworkNodeUtils.calculatePoint2D(p, null)) : null;
- }
- }
-
- @Override
- public void render(Graphics2D g2d) {
- if (lines == null || lines.length == 0)
- return;
-
- // Keep fixed line width on screen
- float scaleRecip = (float) GeometryUtils.getScale(g2d.getTransform());
- g2d.setStroke(GeometryUtils.scaleStroke(STROKE, strokeWidth / scaleRecip));
-
- for (int i = 0; i < lines.length; i++) {
- if (lines[i] != null) {
- g2d.setColor(colors[i % colors.length]);
- g2d.draw(lines[i]);
- }
- }
- }
- }
-
- @Override
- public List<Point2D> calculateStyle(ReadGraph graph, Resource runtimeDiagram, Resource entry, Resource groupItem)
- throws DatabaseException {
- DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
- ModelingResources MOD = ModelingResources.getInstance(graph);
- StructuralResource2 STR = StructuralResource2.getInstance(graph);
-
- Resource vertex = groupItem;
- if (!graph.isInstanceOf(vertex, DN.Vertex))
- return Collections.emptyList();
-
- double[] coords = graph.getRelatedValue(vertex, DiagramResource.getInstance(graph).HasLocation);
-
- Resource component = DistrictNetworkUtil.getMappedComponentCached(graph, vertex);
- if (component == null)
- return Collections.emptyList();
-
- Resource componentType = graph.getPossibleType(component, STR.Component);
- if (componentType == null)
- return Collections.emptyList();
-
- Function1<Resource, List<Resource>> fun = getConnectedComponentsFunctionCached(graph, componentType);
- if (fun == null)
- return Collections.emptyList();
-
- List<Resource> components = Simantics.applySCLRead(graph, fun, component);
-
- if (components == null || components.isEmpty())
- return Collections.emptyList();
-
- List<Point2D> result = new ArrayList<>(components.size() + 1);
- result.add(new Point2D.Double(coords[0], coords[1]));
- for (Resource comp : components) {
- Resource e = comp != null ? graph.getPossibleObject(comp, MOD.ComponentToElement) : null;
- Resource mappingElement = e != null ? graph.getPossibleObject(e, DN.MappedFromElement) : null;
- if (mappingElement != null) {
- double[] coords2 = graph.getRelatedValue(mappingElement, DiagramResource.getInstance(graph).HasLocation);
- result.add(new Point2D.Double(coords2[0], coords2[1]));
- }
- else {
- result.add(null);
- }
- }
-
- return result;
- }
-
- @Override
- public void applyStyleForNode(EvaluationContext observer, INode parent, List<Point2D> result) {
- if (result == null || result.size() < 2) {
- ProfileVariables.denyChild(parent, "*", "districtNetworkConnection");
- return;
- }
-
- ConnectionLineNode node = ProfileVariables.claimChild(parent, "*", "districtNetworkConnection", ConnectionLineNode.class, observer);
- if (node == null)
- return;
-
- node.setPoints(result);
- node.setZIndex(0);
- node.setStrokeWidth(2.f);
- }
-
- @Override
- protected void cleanupStyleForNode(EvaluationContext evaluationContext, INode parent) {
- ProfileVariables.denyChild(parent, "*", "districtNetworkConnection");
- }
-
- private static Function1<Resource, List<Resource>> getConnectedComponentsFunctionCached(ReadGraph graph, Resource componentType)
- throws DatabaseException {
- return graph.syncRequest(new ConnectedComponentsFunctionRequest(componentType), TransientCacheListener.instance());
- }
-
- private static final class ConnectedComponentsFunctionRequest
- extends ResourceRead<Function1<Resource, List<Resource>>> {
- public ConnectedComponentsFunctionRequest(Resource resource) {
- super(resource);
- }
-
- @SuppressWarnings("unchecked")
- @Override
- public Function1<Resource, List<Resource>> perform(ReadGraph graph) throws DatabaseException {
- Resource actionsModule = Layer0Utils.getPossibleChild(graph, resource, "Actions");
- if (actionsModule == null || !graph.isInstanceOf(actionsModule, Layer0.getInstance(graph).SCLModule))
- return null;
-
- String uri = graph.getURI(actionsModule);
- SCLContext sclContext = SCLContext.getCurrent();
- Object oldGraph = sclContext.get("graph");
- try {
- sclContext.put("graph", graph);
- return (Function1<Resource, List<Resource>>) SCLOsgi.MODULE_REPOSITORY.getValue(uri, "getConnectedComponents");
- } catch (ValueNotFound e1) {
- return null;
- } finally {
- sclContext.put("graph", oldGraph);
- }
- }
- }
-}
Code Review / simantics / district.git / blobdiff