X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=org.simantics.district.network.ui%2Fsrc%2Forg%2Fsimantics%2Fdistrict%2Fnetwork%2Fui%2Fnodes%2FConnectionLineNode.java;fp=org.simantics.district.network.ui%2Fsrc%2Forg%2Fsimantics%2Fdistrict%2Fnetwork%2Fui%2Fnodes%2FConnectionLineNode.java;h=12be4f74a4848f20556d40414af42c3e1c5f68ad;hb=05fb97a04278adf774281f05135eb6fc369dc3b5;hp=0000000000000000000000000000000000000000;hpb=ff5441dd6a85ef6fb92c6b3b0cf709bbce878e5e;p=simantics%2Fdistrict.git

diff --git a/org.simantics.district.network.ui/src/org/simantics/district/network/ui/nodes/ConnectionLineNode.java b/org.simantics.district.network.ui/src/org/simantics/district/network/ui/nodes/ConnectionLineNode.java
new file mode 100644
index 00000000..12be4f74
--- /dev/null
+++ b/org.simantics.district.network.ui/src/org/simantics/district/network/ui/nodes/ConnectionLineNode.java
@@ -0,0 +1,75 @@
+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.List;
+
+import org.simantics.g2d.utils.GeometryUtils;
+import org.simantics.scenegraph.g2d.G2DNode;
+
+public class ConnectionLineNode extends G2DNode {
+    
+    public static final String NODE_NAME = "districtNetworkConnection";
+    
+	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]);
+			}
+		}
+	}
+}
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