Improvements to styling of connection lines

[simantics/platform.git] / bundles / org.simantics.diagram.connection / src / org / simantics / diagram / connection / rendering / AggregateConnectionStyle.java

diff --git a/bundles/org.simantics.diagram.connection/src/org/simantics/diagram/connection/rendering/AggregateConnectionStyle.java b/bundles/org.simantics.diagram.connection/src/org/simantics/diagram/connection/rendering/AggregateConnectionStyle.java
new file mode 100644 (file)
index 0000000..7bf7624
--- /dev/null
+++ b/bundles/org.simantics.diagram.connection/src/org/simantics/diagram/connection/rendering/AggregateConnectionStyle.java
@@ -0,0 +1,66 @@
+/*******************************************************************************
+ * Copyright (c) 2020 Association for Decentralized Information Management in
+ * Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Semantum Oy - initial API and implementation
+ *******************************************************************************/
+package org.simantics.diagram.connection.rendering;
+
+import java.awt.Graphics2D;
+import java.awt.geom.Path2D;
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.List;
+
+public class AggregateConnectionStyle implements ConnectionStyle, Serializable{
+
+    private static final long serialVersionUID = 5888959070127628457L;
+    private List<ConnectionStyle> styles = new ArrayList<>();
+    
+    public void addStyle(ConnectionStyle style) {
+        styles.add(style);
+    }
+    
+    @Override
+    public void drawBranchPoint(Graphics2D g, double x, double y) {
+        for (ConnectionStyle style : styles) {
+            style.drawBranchPoint(g, x, y);
+        }
+    }
+
+    @Override
+    public void drawLine(Graphics2D g, double x1, double y1, double x2, double y2, boolean isTransient) {
+        for (ConnectionStyle style : styles) {
+            style.drawLine(g, x1, y1, x2, y2, isTransient);
+        }
+    }
+
+    @Override
+    public void drawPath(Graphics2D g, Path2D path, boolean isTransient) {
+        for (ConnectionStyle style : styles) {
+            style.drawPath(g, path, isTransient);
+        }
+    }
+
+    @Override
+    public void drawDegeneratedLine(Graphics2D g, double x, double y, boolean isHorizontal, boolean isTransient) {
+        for (ConnectionStyle style : styles) {
+            style.drawDegeneratedLine(g, x, y, isHorizontal, isTransient);
+        }
+    }
+
+    @Override
+    public double getDegeneratedLineLength() {
+        double max = 0;
+        for (ConnectionStyle style : styles) {
+            max = Math.max(max, style.getDegeneratedLineLength());
+        }
+        return max;
+    }
+
+}