--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2011 Association for Decentralized Information Management in\r
+ * Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ * VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.diagram.connection;\r
+\r
+import gnu.trove.map.hash.THashMap;\r
+\r
+import java.awt.geom.Rectangle2D;\r
+import java.io.PrintStream;\r
+import java.io.Serializable;\r
+import java.util.ArrayList;\r
+\r
+import org.simantics.diagram.connection.RouteGraph.Interval;\r
+import org.simantics.diagram.connection.RouteGraph.IntervalCache;\r
+import org.simantics.diagram.connection.rendering.arrows.ILineEndStyle;\r
+\r
+public class RouteTerminal extends RoutePoint implements RouteNode, Serializable {\r
+\r
+ private static final long serialVersionUID = -8839093950347737029L;\r
+\r
+ public static final int DIR_RIGHT = (1 << 0);\r
+ public static final int DIR_DOWN = (1 << 1);\r
+ public static final int DIR_LEFT = (1 << 2);\r
+ public static final int DIR_UP = (1 << 3);\r
+ public static final int DIR_DIRECT = (1 << 4);\r
+\r
+ private Object data;\r
+ private double minX, minY;\r
+ private double maxX, maxY;\r
+ private int allowedDirections;\r
+ private ILineEndStyle style;\r
+ private ILineEndStyle dynamicStyle;\r
+ private boolean routeToBounds;\r
+\r
+ RouteLine line;\r
+\r
+ RouteTerminal(double x, double y, double minX, double minY,\r
+ double maxX, double maxY, int allowedDirections,\r
+ boolean routeToBounds,\r
+ ILineEndStyle style) {\r
+ super(x, y);\r
+ this.minX = minX;\r
+ this.minY = minY;\r
+ this.maxX = maxX;\r
+ this.maxY = maxY;\r
+ this.allowedDirections = allowedDirections;\r
+ this.routeToBounds = routeToBounds;\r
+ this.style = style;\r
+ }\r
+ \r
+ @Override\r
+ public void setData(Object data) {\r
+ this.data = data;\r
+ }\r
+ \r
+ @Override\r
+ public Object getData() {\r
+ return data;\r
+ }\r
+ \r
+ public int getAllowedDirections() {\r
+ return allowedDirections;\r
+ }\r
+ \r
+ public double getMinX() {\r
+ return minX;\r
+ }\r
+ \r
+ public double getMinY() {\r
+ return minY;\r
+ }\r
+ \r
+ public double getMaxX() {\r
+ return maxX;\r
+ }\r
+ \r
+ public double getMaxY() {\r
+ return maxY;\r
+ }\r
+ \r
+ public Rectangle2D getBounds() {\r
+ return new Rectangle2D.Double(minX, minY, maxX-minX, maxY-minY);\r
+ }\r
+\r
+ /**\r
+ * Routes connection from the terminal to route line\r
+ * adding necessary transient route lines.\r
+ * @param cache \r
+ */\r
+ void route(ArrayList<RouteLine> lines, IntervalCache cache, boolean boundingBoxesIntersect) {\r
+ if(routeToBounds) {\r
+ int lineDir;\r
+ boolean routeLineDoesNotIntersectTerminal;\r
+ double linePosition = line.position;\r
+ if(line.isHorizontal) { \r
+ lineDir = linePosition < y ? 3 : 1;\r
+ routeLineDoesNotIntersectTerminal = \r
+ linePosition <= minY || linePosition >= maxY;\r
+ }\r
+ else {\r
+ lineDir = linePosition < x ? 2 : 0;\r
+ routeLineDoesNotIntersectTerminal = \r
+ linePosition <= minX || linePosition >= maxX;\r
+ }\r
+ \r
+ if(routeLineDoesNotIntersectTerminal) {\r
+ RouteLine line0 = createLine0(lineDir);\r
+ new RouteLink(line0, line);\r
+ lines.add(line0);\r
+ switch(lineDir) {\r
+ case 0:\r
+ x = maxX;\r
+ y = 0.5*(minY+maxY);\r
+ break;\r
+ case 1:\r
+ x = 0.5*(minX+maxX);\r
+ y = maxY;\r
+ break;\r
+ case 2:\r
+ x = minX;\r
+ y = 0.5*(minY+maxY);\r
+ break;\r
+ case 3:\r
+ x = 0.5*(minX+maxX);\r
+ y = minY;\r
+ break;\r
+ }\r
+ return;\r
+ }\r
+ else {\r
+ line.addPoint(this);\r
+ Interval interval = cache.get(line);\r
+ if(line.isHorizontal) {\r
+ if(interval.min < minX)\r
+ x = minX;\r
+ else\r
+ x = maxX;\r
+ y = linePosition;\r
+ }\r
+ else {\r
+ x = linePosition;\r
+ if(interval.min < minY)\r
+ y = minY;\r
+ else\r
+ y = maxY;\r
+ }\r
+ }\r
+ }\r
+ else {\r
+ // In which direction the route line is?\r
+ int lineDir;\r
+ boolean routeLineDoesNotIntersectTerminal;\r
+ double linePosition = line.position;\r
+ if(line.isHorizontal) { \r
+ lineDir = linePosition < y ? 3 : 1;\r
+ routeLineDoesNotIntersectTerminal = linePosition <= minY || linePosition >= maxY \r
+ || boundingBoxesIntersect /* we ignore intersection in this case */;\r
+ }\r
+ else {\r
+ lineDir = linePosition < x ? 2 : 0;\r
+ routeLineDoesNotIntersectTerminal = linePosition <= minX || linePosition >= maxX\r
+ || boundingBoxesIntersect /* we ignore intersection in this case */;\r
+ }\r
+ \r
+ // We can route the connection directly to the right direction\r
+ if(routeLineDoesNotIntersectTerminal && \r
+ Directions.isAllowed(allowedDirections, lineDir)) { \r
+ RouteLine line0 = createLine0(lineDir);\r
+ new RouteLink(line0, line);\r
+ lines.add(line0);\r
+ return;\r
+ }\r
+ \r
+ // We must make one bend\r
+ oneBend: {\r
+ int dir = 1-(lineDir&1);\r
+ if(Directions.isAllowed(allowedDirections, dir)) {\r
+ if(Directions.isAllowed(allowedDirections, dir+2)) {\r
+ Interval interval = cache.get(line);\r
+ if(dir == 0) {\r
+ if(interval.max <= maxX)\r
+ dir = 2;\r
+ }\r
+ else /* dir == 1 */ {\r
+ if(interval.max <= maxY)\r
+ dir = 3;\r
+ }\r
+ }\r
+ else {\r
+ // ok\r
+ }\r
+ }\r
+ else {\r
+ if(Directions.isAllowed(allowedDirections, dir+2)) {\r
+ dir = dir + 2;\r
+ }\r
+ else {\r
+ break oneBend;\r
+ }\r
+ }\r
+ \r
+ RouteLine line0 = createLine0(dir);\r
+ RouteLine line1 = createLine1(dir);\r
+ new RouteLink(line0, line1);\r
+ new RouteLink(line1, line);\r
+ lines.add(line0);\r
+ lines.add(line1);\r
+ line0.nextTransient = line1;\r
+ return;\r
+ }\r
+ \r
+ // We can begin to the right direction but do two bends\r
+ if(!routeLineDoesNotIntersectTerminal && \r
+ Directions.isAllowed(allowedDirections, lineDir)) { \r
+ RouteLine line0 = createLine0(lineDir);\r
+ RouteLine line1 = createLine1(lineDir);\r
+ RouteLine line2 = createLine2(lineDir, cache);\r
+ new RouteLink(line0, line1);\r
+ new RouteLink(line1, line2);\r
+ new RouteLink(line2, line);\r
+ lines.add(line0);\r
+ lines.add(line1);\r
+ lines.add(line2);\r
+ line0.nextTransient = line1;\r
+ line1.nextTransient = line2;\r
+ return;\r
+ }\r
+ \r
+ // Only allowed direction is to completely wrong direction:\r
+ // we must make two bends\r
+ {\r
+ int dir = lineDir^2;\r
+ RouteLine line0 = createLine0(dir);\r
+ RouteLine line1 = createLine1(dir);\r
+ RouteLine line2 = createLine2(dir, cache);\r
+ new RouteLink(line0, line1);\r
+ new RouteLink(line1, line2);\r
+ new RouteLink(line2, line);\r
+ lines.add(line0);\r
+ lines.add(line1);\r
+ lines.add(line2);\r
+ line0.nextTransient = line1;\r
+ line1.nextTransient = line2;\r
+ return;\r
+ }\r
+ }\r
+ }\r
+ \r
+ private RouteLine createLine0(int dir) {\r
+ RouteLine line0 = (dir&1) == 0 \r
+ ? new RouteLine(true, y)\r
+ : new RouteLine(false, x)\r
+ ;\r
+ line0.addPoint(this);\r
+ line0.terminal = this;\r
+ return line0;\r
+ }\r
+ \r
+ private RouteLine createLine1(int dir) {\r
+ RouteLine line1 = (dir&1) == 0 \r
+ ? new RouteLine(false, (dir&2) == 0 ? maxX : minX)\r
+ : new RouteLine(true, (dir&2) == 0 ? maxY : minY)\r
+ ;\r
+ line1.terminal = this;\r
+ return line1;\r
+ }\r
+ \r
+ private RouteLine createLine2(int dir, IntervalCache cache) {\r
+ Interval interval = cache.get(line);\r
+ RouteLine line2;\r
+ if((dir&1) == 0) {\r
+ double position;\r
+ if(minY < interval.min) {\r
+ if(maxY > interval.max) {\r
+ position = 2*maxY-y-interval.max < interval.min+y-2*minY ? maxY : minY;\r
+ }\r
+ else {\r
+ position = maxY;\r
+ }\r
+ }\r
+ else {\r
+ if(maxY > interval.max) {\r
+ position = minY;\r
+ }\r
+ else {\r
+ position = maxY-y < y-minY ? maxY : minY;\r
+ }\r
+ }\r
+ line2 = new RouteLine(true, position);\r
+ }\r
+ else {\r
+ double position;\r
+ if(minX < interval.min) {\r
+ if(maxX > interval.max) {\r
+ position = 2*maxX-x-interval.max < interval.min+x-2*minX ? maxX : minX;\r
+ }\r
+ else {\r
+ position = maxX;\r
+ }\r
+ }\r
+ else {\r
+ if(maxX > interval.max) {\r
+ position = minX;\r
+ }\r
+ else {\r
+ position = maxX-x < x-minX ? maxX : minX;\r
+ }\r
+ }\r
+ line2 = new RouteLine(false, position);\r
+ }\r
+ line2.terminal = this; \r
+ return line2;\r
+ } \r
+\r
+ public boolean isNear(double x2, double y2) {\r
+ return minX <= x2 && x2 <= maxX && minY <= y2 && y2 <= maxY;\r
+ }\r
+\r
+ void setLocation(double x2, double y2) {\r
+ double dx = x2 - x;\r
+ double dy = y2 - y;\r
+ x = x2;\r
+ y = y2;\r
+ minX += dx;\r
+ minY += dy;\r
+ maxX += dx;\r
+ maxY += dy;\r
+ }\r
+\r
+ void rotate(int amount) {\r
+ amount %= 4;\r
+ if(amount < 0)\r
+ amount += 4;\r
+ \r
+ int temp = (allowedDirections&15) << amount;\r
+ allowedDirections = (temp&15) | (temp >> 4) | (allowedDirections&16); \r
+ }\r
+\r
+ public double approximatePositionToLine() {\r
+ // In which direction the route line is?\r
+ int lineDir = line.isHorizontal \r
+ ? (line.position < y ? 3 : 1)\r
+ : (line.position < x ? 2 : 0)\r
+ ;\r
+ \r
+ // We can route the connection directly to the right direction\r
+ if(Directions.isAllowed(allowedDirections, lineDir))\r
+ return line.isHorizontal ? x : y;\r
+ \r
+ // We must make one bend \r
+ for(int dir = 0;dir < 4;++dir) {\r
+ if(Directions.isAllowed(allowedDirections, dir) && ((dir^lineDir)&1) == 1) {\r
+ switch(dir) {\r
+ case 0: return maxX;\r
+ case 1: return maxY;\r
+ case 2: return minX;\r
+ case 3: return minY;\r
+ }\r
+ }\r
+ }\r
+ // Only allowed direction is to completely wrong direction:\r
+ // we must make two bends\r
+ {\r
+ // Approximation\r
+ return line.isHorizontal ? x : y;\r
+ }\r
+ }\r
+\r
+ RouteTerminal copy(THashMap<Object, Object> map) {\r
+ RouteTerminal copy = (RouteTerminal)map.get(this);\r
+ if(copy == null) { \r
+ copy = new RouteTerminal(x, y, minX, minY, maxX, maxY, \r
+ allowedDirections, routeToBounds, style);\r
+ copy.setDynamicStyle(dynamicStyle);\r
+ map.put(this, copy);\r
+ copy.data = data;\r
+ copy.line = line == null ? null : line.copy(map);\r
+ }\r
+ return copy;\r
+ }\r
+\r
+ public void print(PrintStream out) {\r
+ out.print(" (" + x + "," + y + ") " + allowedDirections + " -> ");\r
+ if (line != null)\r
+ line.print(out);\r
+ else\r
+ out.print("NO LINE");\r
+ out.print(" (data=" + data + ")");\r
+ out.println();\r
+ }\r
+\r
+ public ILineEndStyle getStyle() {\r
+ return style;\r
+ }\r
+ \r
+ public ILineEndStyle getRenderStyle() {\r
+ if (dynamicStyle != null)\r
+ return dynamicStyle;\r
+ return style;\r
+ }\r
+\r
+ public boolean hasDirectConnection() {\r
+ return (allowedDirections&16) == 16;\r
+ }\r
+ \r
+ public RouteLine getLine() {\r
+ return line;\r
+ }\r
+ \r
+ public void setMinX(double minX) {\r
+ this.minX = minX;\r
+ }\r
+ public void setMinY(double minY) {\r
+ this.minY = minY;\r
+ }\r
+ \r
+ public void setMaxX(double maxX) {\r
+ this.maxX = maxX;\r
+ }\r
+ \r
+ public void setMaxY(double maxY) {\r
+ this.maxY = maxY;\r
+ }\r
+\r
+ public void toggleDirectLines() {\r
+ this.allowedDirections ^= 16;\r
+ }\r
+ \r
+ public boolean isRouteToBounds() {\r
+ return routeToBounds;\r
+ }\r
+ \r
+ public void setStyle(ILineEndStyle style) {\r
+ this.style = style;\r
+ }\r
+ \r
+ public ILineEndStyle getDynamicStyle() {\r
+ return dynamicStyle;\r
+ }\r
+ \r
+ public void setDynamicStyle(ILineEndStyle dynamicStyle) {\r
+ this.dynamicStyle = dynamicStyle;\r
+ }\r
+}\r
Code Review / simantics / platform.git / blobdiff