Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.diagram.connection / src / org / simantics / diagram / connection / splitting / SplittedRouteGraph.java

diff --git a/bundles/org.simantics.diagram.connection/src/org/simantics/diagram/connection/splitting/SplittedRouteGraph.java b/bundles/org.simantics.diagram.connection/src/org/simantics/diagram/connection/splitting/SplittedRouteGraph.java
new file mode 100644 (file)
index 0000000..fe7dc25
--- /dev/null
+++ b/bundles/org.simantics.diagram.connection/src/org/simantics/diagram/connection/splitting/SplittedRouteGraph.java
@@ -0,0 +1,122 @@
+package org.simantics.diagram.connection.splitting;\r
+\r
+import gnu.trove.set.hash.THashSet;\r
+\r
+import java.awt.geom.Point2D;\r
+\r
+import org.simantics.diagram.connection.RouteGraph;\r
+import org.simantics.diagram.connection.RouteLine;\r
+import org.simantics.diagram.connection.RouteNode;\r
+import org.simantics.diagram.connection.RouteTerminal;\r
+\r
+public class SplittedRouteGraph {\r
+    public final RouteLine splitLine;\r
+    public final THashSet<RouteNode> interfaceNodes1;\r
+    public final THashSet<RouteLine> lines1; // does not contain splitLine\r
+    public final THashSet<RouteTerminal> terminals1;\r
+    public final THashSet<RouteNode> interfaceNodes2;\r
+    public final THashSet<RouteLine> lines2; // does not contain splitLine\r
+    public final THashSet<RouteTerminal> terminals2;\r
+    \r
+    public SplittedRouteGraph(RouteLine splitLine,\r
+            THashSet<RouteNode> interfaceNodes1, THashSet<RouteLine> lines1,\r
+            THashSet<RouteTerminal> terminals1,\r
+            THashSet<RouteNode> interfaceNodes2, THashSet<RouteLine> lines2,\r
+            THashSet<RouteTerminal> terminals2) {\r
+        super();\r
+        this.splitLine = splitLine;\r
+        this.interfaceNodes1 = interfaceNodes1;\r
+        this.lines1 = lines1;\r
+        this.terminals1 = terminals1;\r
+        this.interfaceNodes2 = interfaceNodes2;\r
+        this.lines2 = lines2;\r
+        this.terminals2 = terminals2;\r
+    }\r
+    \r
+    @Override\r
+    public String toString() {\r
+        StringBuilder b = new StringBuilder();\r
+        \r
+        b.append("splitLine = " + splitLine.getData() + "\n");\r
+        \r
+        b.append("interfaceNodes1 =");\r
+        for(RouteNode node : interfaceNodes1)\r
+            b.append(" " + node.getData() + "(" + node.getClass().getSimpleName() + ")");\r
+        b.append("\n");\r
+        \r
+        b.append("lines1 =");\r
+        for(RouteLine node : lines1)\r
+            b.append(" " + node.getData());\r
+        b.append("\n");\r
+        \r
+        b.append("terminals1 =");\r
+        for(RouteTerminal node : terminals1)\r
+            b.append(" " + node.getData());\r
+        b.append("\n");\r
+        \r
+        b.append("interfaceNodes2 =");\r
+        for(RouteNode node : interfaceNodes2)\r
+            b.append(" " + node.getData() + "(" + node.getClass().getSimpleName() + ")");\r
+        b.append("\n");\r
+        \r
+        b.append("lines2 =");\r
+        for(RouteLine node : lines2)\r
+            b.append(" " + node.getData());\r
+        b.append("\n");\r
+        \r
+        b.append("terminals2 =");\r
+        for(RouteTerminal node : terminals2)\r
+            b.append(" " + node.getData());\r
+        b.append("\n");\r
+        \r
+        return b.toString();\r
+    }\r
+\r
+    public static RouteLine findNearestLine(RouteGraph rg, Point2D splitCanvasPos) {\r
+        double hi = 1000, lo = 1;\r
+        RouteLine nearestLine = null;\r
+        final double LIMIT = 0.5;\r
+        while (true) {\r
+            double tolerance = (hi + lo) * 0.5;\r
+            RouteLine line = rg.pickLine(splitCanvasPos.getX(), splitCanvasPos.getY(), tolerance);\r
+            double delta = (hi - lo) * 0.5;\r
+            if (delta < LIMIT)\r
+                return nearestLine;\r
+            if (line == null) {\r
+                lo = tolerance;\r
+            } else {\r
+                nearestLine = line;\r
+                hi = tolerance;\r
+            }\r
+        }\r
+    }\r
+\r
+    /**\r
+     * @param point\r
+     * @param line\r
+     * @return the specified point instance snapped to the specified line\r
+     */\r
+    public static Point2D snapToLine(Point2D point, RouteLine line) {\r
+//        line.print(System.out);\r
+//        for (RoutePoint rp : line.getPoints())\r
+//            System.out.println("RP: " + rp.getX() + ", " + rp.getY());\r
+        // Get exact intersection point on the line\r
+        if (line.isHorizontal()) {\r
+            point.setLocation( point.getX(), line.getPosition() );\r
+        } else {\r
+            point.setLocation( line.getPosition(), point.getY() );\r
+        }\r
+        return point;\r
+    }\r
+\r
+    /**\r
+     * @param point\r
+     * @param line\r
+     * @return new {@link Point2D} instance with specified point snapped to specified line\r
+     */\r
+    public static Point2D snappedToLine(Point2D point, RouteLine line) {\r
+        Point2D result = (Point2D) point.clone();\r
+        return snapToLine(result, line);\r
+    }\r
+\r
+}\r