--- /dev/null
+package org.simantics.diagram.elements;\r
+\r
+import java.awt.geom.AffineTransform;\r
+import java.awt.geom.Point2D;\r
+import java.awt.geom.Rectangle2D;\r
+import java.util.ArrayList;\r
+import java.util.Collection;\r
+import java.util.Collections;\r
+import java.util.Comparator;\r
+import java.util.List;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.UndoContext;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.db.common.CommentMetadata;\r
+import org.simantics.db.common.request.IndexRoot;\r
+import org.simantics.db.common.request.WriteRequest;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.exception.ManyObjectsForFunctionalRelationException;\r
+import org.simantics.db.exception.NoSingleResultException;\r
+import org.simantics.db.exception.ServiceException;\r
+import org.simantics.db.request.Write;\r
+import org.simantics.diagram.query.DiagramRequests;\r
+import org.simantics.diagram.stubs.DiagramResource;\r
+import org.simantics.diagram.synchronization.graph.DiagramGraphUtil;\r
+import org.simantics.g2d.diagram.DiagramClass;\r
+import org.simantics.g2d.diagram.IDiagram;\r
+import org.simantics.g2d.diagram.impl.Diagram;\r
+import org.simantics.g2d.element.ElementClass;\r
+import org.simantics.g2d.element.ElementUtils;\r
+import org.simantics.g2d.element.IElement;\r
+import org.simantics.g2d.element.impl.Element;\r
+import org.simantics.g2d.utils.GeometryUtils;\r
+import org.simantics.scl.commands.Command;\r
+import org.simantics.scl.commands.Commands;\r
+import org.simantics.ui.SimanticsUI;\r
+\r
+/**\r
+ * Tools to align, rotate, and flip diagram elements.\r
+ * \r
+ * TODO : We need to add capability hints to elements to prevent rotating and mirroring elements that do not support that.\r
+ * Example: mirrored text does not make any sense.\r
+ * \r
+ * \r
+ * @author Marko Luukkainen <marko.luukkainen@vtt.fi> (implementation)\r
+ * @author Tuukka Lehtonen (documentation)\r
+ */\r
+public final class ElementTransforms {\r
+\r
+ public static enum SIDE { LEFT, RIGHT, TOP, BOTTOM, VERT, HORIZ, VERT_BTW, HORIZ_BTW };\r
+\r
+ /**\r
+ * Align the specified set of diagram element resources in line with each\r
+ * other calculated by the specified side.\r
+ * \r
+ * <p>\r
+ * Alignment requires at least two elements to do anything.\r
+ * \r
+ * @param resources diagram element resources to rotate\r
+ * @param side the side of each element to use for distancing. Does not support between aligments.\r
+ */\r
+ public static void align(final Resource resources[], final SIDE side) {\r
+ if (resources.length < 2)\r
+ return;\r
+ if (side == SIDE.HORIZ_BTW || side == SIDE.VERT_BTW )\r
+ return;\r
+\r
+ SimanticsUI.getSession().asyncRequest(new WriteRequest() {\r
+\r
+ @Override\r
+ public void perform(WriteGraph graph) throws DatabaseException {\r
+ graph.markUndoPoint();\r
+ IDiagram hints = Diagram.spawnNew(DiagramClass.DEFAULT);\r
+\r
+ List<AlignElement> elements = new ArrayList<AlignElement>();\r
+ for (Resource r : resources) {\r
+ AlignElement e = create(graph, hints, r);\r
+ if (e != null)\r
+ elements.add(e);\r
+ }\r
+ if (elements.size() < 2)\r
+ return;\r
+ double mx = 0;\r
+ double my = 0;\r
+ for (AlignElement e : elements) {\r
+ mx += e.transform[4];\r
+ my += e.transform[5];\r
+ }\r
+ mx /= elements.size();\r
+ my /= elements.size();\r
+\r
+ // prevent moving symbols into the same position\r
+ int count = 0;\r
+ for (AlignElement e : elements) {\r
+ if (side == SIDE.VERT || side == SIDE.LEFT || side == SIDE.RIGHT) {\r
+ if (Math.abs(e.transform[5] - my) < 0.1) {\r
+ count++;\r
+ }\r
+ } else {\r
+ if (Math.abs(e.transform[4] - mx) < 0.1) {\r
+ count++;\r
+ }\r
+ }\r
+ }\r
+ if (count > 1)\r
+ return;\r
+\r
+ if (side == SIDE.HORIZ || side == SIDE.VERT) {\r
+\r
+\r
+ for (AlignElement e : elements) {\r
+\r
+ if (side == SIDE.VERT)\r
+ DiagramGraphUtil.changeTransform(graph, e.element, new double[]{e.transform[0],e.transform[1],e.transform[2],e.transform[3],mx,e.transform[5]});\r
+ else if (side == SIDE.HORIZ) {\r
+ DiagramGraphUtil.changeTransform(graph, e.element, new double[]{e.transform[0],e.transform[1],e.transform[2],e.transform[3],e.transform[4],my});\r
+ }\r
+ }\r
+ } else {\r
+ double lx, rx;\r
+ double ty, by;\r
+ lx = elements.get(0).transform[4] + elements.get(0).rotatedBounds.getMinX();\r
+ rx = elements.get(0).transform[4] + elements.get(0).rotatedBounds.getMaxX();\r
+\r
+ ty = elements.get(0).transform[5] + elements.get(0).rotatedBounds.getMinY();\r
+ by = elements.get(0).transform[5] + elements.get(0).rotatedBounds.getMaxY();\r
+\r
+ for (int i = 1; i < elements.size(); i++) {\r
+ double tlx, trx;\r
+ double tty, tby;\r
+ tlx = elements.get(i).transform[4] + elements.get(i).rotatedBounds.getMinX();\r
+ trx = elements.get(i).transform[4] + elements.get(i).rotatedBounds.getMaxX();\r
+\r
+ tty = elements.get(i).transform[5] + elements.get(i).rotatedBounds.getMinY();\r
+ tby = elements.get(i).transform[5] + elements.get(i).rotatedBounds.getMaxY();\r
+ if (tlx < lx)\r
+ lx = tlx;\r
+ if (trx > rx)\r
+ rx = trx;\r
+ if (tty < ty)\r
+ ty = tty;\r
+ if (tby > by)\r
+ by = tby;\r
+\r
+ }\r
+\r
+ for (AlignElement e : elements) {\r
+ mx = e.transform[4];\r
+ my = e.transform[5];\r
+ if (side == SIDE.LEFT) {\r
+ mx = lx - e.rotatedBounds.getMinX() ;\r
+ } else if (side == SIDE.RIGHT) {\r
+ mx = rx - e.rotatedBounds.getMaxX();\r
+ } else if (side == SIDE.TOP) {\r
+ my = ty - e.rotatedBounds.getMinY();\r
+ } else {\r
+ my = by - e.rotatedBounds.getMaxY();\r
+ }\r
+ DiagramGraphUtil.changeTransform(graph, e.element, new double[]{e.transform[0],e.transform[1],e.transform[2],e.transform[3],mx,my});\r
+\r
+ }\r
+\r
+ }\r
+\r
+ }\r
+ });\r
+ }\r
+\r
+ /**\r
+ * Distance specified set of diagram element resources equally. Distancing\r
+ * is performed on the specified side of the each element.\r
+ * \r
+ * <p>\r
+ * Distancing requires at least three elements to work.\r
+ * \r
+ * @param resources diagram element resources to rotate\r
+ * @param side the side of each element to use for distancing\r
+ */\r
+ public static void dist(final Resource resources[], final SIDE side) {\r
+\r
+ if (resources.length < 3)\r
+ return;\r
+\r
+ SimanticsUI.getSession().asyncRequest(new WriteRequest() {\r
+\r
+ @Override\r
+ public void perform(WriteGraph graph) throws DatabaseException {\r
+ graph.markUndoPoint();\r
+ IDiagram hints = Diagram.spawnNew(DiagramClass.DEFAULT);\r
+\r
+ List<AlignElement> elements = new ArrayList<AlignElement>();\r
+ for (Resource r : resources) {\r
+ //System.out.println(r + " " + GraphUtils.getReadableName(graph, r));\r
+ AlignElement e = create(graph, hints, r);\r
+ if (e != null)\r
+ elements.add(e);\r
+ }\r
+ if (elements.size() < 3)\r
+ return;\r
+ switch (side) {\r
+ case LEFT: {\r
+ Collections.sort(elements, new XComparator());\r
+ AlignElement left = elements.get(0);\r
+ AlignElement right = elements.get(elements.size() - 1);\r
+\r
+ double leftEdge = left.transform[4] + left.rotatedBounds.getMinX();\r
+ double rightEdge = right.transform[4] + right.rotatedBounds.getMinX();\r
+\r
+ double totalDist = rightEdge - leftEdge;\r
+ double dist = totalDist / (elements.size() - 1);\r
+ double d = leftEdge;\r
+\r
+ for (int i = 1; i < elements.size() -1; i++) {\r
+ d += dist;\r
+ AlignElement e = elements.get(i);\r
+\r
+ double mx = d - e.rotatedBounds.getMinX();\r
+\r
+ DiagramGraphUtil.changeTransform(graph, e.element, new double[]{e.transform[0],e.transform[1],e.transform[2],e.transform[3],mx,e.transform[5]});\r
+ }\r
+\r
+ break;\r
+ }\r
+ case VERT: {\r
+ Collections.sort(elements, new XComparator());\r
+ AlignElement left = elements.get(0);\r
+ AlignElement right = elements.get(elements.size() - 1);\r
+\r
+ double leftEdge = left.transform[4];\r
+ double rightEdge = right.transform[4];\r
+\r
+ double totalDist = rightEdge - leftEdge;\r
+ double dist = totalDist / (elements.size() - 1);\r
+ double d = leftEdge;\r
+\r
+ for (int i = 1; i < elements.size() -1; i++) {\r
+ d += dist;\r
+ AlignElement e = elements.get(i);\r
+\r
+ double mx = d;\r
+\r
+ DiagramGraphUtil.changeTransform(graph, e.element, new double[]{e.transform[0],e.transform[1],e.transform[2],e.transform[3],mx,e.transform[5]});\r
+ }\r
+\r
+ break;\r
+ }\r
+ case RIGHT:{\r
+ Collections.sort(elements, new XComparator());\r
+ AlignElement left = elements.get(0);\r
+ AlignElement right = elements.get(elements.size() - 1);\r
+\r
+ double leftEdge = left.transform[4] + left.rotatedBounds.getMaxX();\r
+ double rightEdge = right.transform[4] + right.rotatedBounds.getMaxX();\r
+\r
+ double totalDist = rightEdge - leftEdge;\r
+ double dist = totalDist / (elements.size() - 1);\r
+ double d = leftEdge;\r
+\r
+ for (int i = 1; i < elements.size() -1; i++) {\r
+ d += dist;\r
+ AlignElement e = elements.get(i);\r
+\r
+ double mx = d - e.rotatedBounds.getMaxX();\r
+\r
+ DiagramGraphUtil.changeTransform(graph, e.element, new double[]{e.transform[0],e.transform[1],e.transform[2],e.transform[3],mx,e.transform[5]});\r
+ }\r
+ break;\r
+ }\r
+ case VERT_BTW:{\r
+ Collections.sort(elements, new XComparator());\r
+ AlignElement left = elements.get(0);\r
+ AlignElement right = elements.get(elements.size() - 1);\r
+\r
+ double leftEdge = left.transform[4] + left.rotatedBounds.getMaxX();\r
+ double rightEdge = right.transform[4] + right.rotatedBounds.getMinX();\r
+\r
+ double totalDist = rightEdge - leftEdge;\r
+ double totalElementSize = 0;\r
+ for (int i = 1; i < elements.size() -1; i++) {\r
+ totalElementSize += elements.get(i).rotatedBounds.getWidth();\r
+ }\r
+ double totalAvail = totalDist - totalElementSize;\r
+ double dist = totalAvail / (elements.size() - 1);\r
+ double d = leftEdge;\r
+\r
+ for (int i = 1; i < elements.size() -1; i++) {\r
+ d += dist;\r
+ AlignElement e = elements.get(i);\r
+\r
+ double mx = d - e.rotatedBounds.getMinX();\r
+ d += e.bounds.getWidth();\r
+\r
+ DiagramGraphUtil.changeTransform(graph, e.element, new double[]{e.transform[0],e.transform[1],e.transform[2],e.transform[3],mx,e.transform[5]});\r
+ }\r
+\r
+ break;\r
+ }\r
+ case BOTTOM: {\r
+ Collections.sort(elements, new YComparator());\r
+ AlignElement top = elements.get(0);\r
+ AlignElement bottom = elements.get(elements.size() - 1);\r
+\r
+ double topEdge = top.transform[5] + top.rotatedBounds.getMaxY();\r
+ double bottomEdge = bottom.transform[5] + bottom.rotatedBounds.getMaxY();\r
+\r
+ double totalDist = bottomEdge - topEdge;\r
+ double dist = totalDist / (elements.size() - 1);\r
+ double d = topEdge;\r
+\r
+ for (int i = 1; i < elements.size() -1; i++) {\r
+ d += dist;\r
+ AlignElement e = elements.get(i);\r
+\r
+ double my = d - e.rotatedBounds.getMaxY();\r
+\r
+ DiagramGraphUtil.changeTransform(graph, e.element, new double[]{e.transform[0],e.transform[1],e.transform[2],e.transform[3],e.transform[4],my});\r
+ }\r
+\r
+ break;\r
+ }\r
+ case TOP: {\r
+ Collections.sort(elements, new YComparator());\r
+ AlignElement top = elements.get(0);\r
+ AlignElement bottom = elements.get(elements.size() - 1);\r
+\r
+ double topEdge = top.transform[5] + top.rotatedBounds.getMinY();\r
+ double bottomEdge = bottom.transform[5] + bottom.rotatedBounds.getMinY();\r
+\r
+ double totalDist = bottomEdge - topEdge;\r
+ double dist = totalDist / (elements.size() - 1);\r
+ double d = topEdge;\r
+\r
+ for (int i = 1; i < elements.size() -1; i++) {\r
+ d += dist;\r
+ AlignElement e = elements.get(i);\r
+\r
+ double my = d - e.rotatedBounds.getMinY();\r
+\r
+ DiagramGraphUtil.changeTransform(graph, e.element, new double[]{e.transform[0],e.transform[1],e.transform[2],e.transform[3],e.transform[4],my});\r
+ }\r
+\r
+ break;\r
+ }\r
+ case HORIZ: {\r
+ Collections.sort(elements, new YComparator());\r
+ AlignElement top = elements.get(0);\r
+ AlignElement bottom = elements.get(elements.size() - 1);\r
+\r
+ double topEdge = top.transform[5];\r
+ double bottomEdge = bottom.transform[5];\r
+\r
+ double totalDist = bottomEdge - topEdge;\r
+ double dist = totalDist / (elements.size() - 1);\r
+ double d = topEdge;\r
+\r
+ for (int i = 1; i < elements.size() -1; i++) {\r
+ d += dist;\r
+ AlignElement e = elements.get(i);\r
+\r
+ double my = d;\r
+\r
+ DiagramGraphUtil.changeTransform(graph, e.element, new double[]{e.transform[0],e.transform[1],e.transform[2],e.transform[3],e.transform[4],my});\r
+ }\r
+\r
+ break;\r
+ }\r
+ case HORIZ_BTW: {\r
+ Collections.sort(elements, new YComparator());\r
+ AlignElement top = elements.get(0);\r
+ AlignElement bottom = elements.get(elements.size() - 1);\r
+\r
+ double topEdge = top.transform[5] + top.rotatedBounds.getMaxY();\r
+ double bottomEdge = bottom.transform[5] + bottom.rotatedBounds.getMinY();\r
+\r
+ double totalDist = bottomEdge - topEdge;\r
+ double totalElementSize = 0;\r
+ for (int i = 1; i < elements.size() -1; i++) {\r
+ totalElementSize += elements.get(i).rotatedBounds.getHeight();\r
+ }\r
+ double totalAvail = totalDist - totalElementSize;\r
+ double dist = totalAvail / (elements.size() - 1);\r
+ double d = topEdge;\r
+\r
+ for (int i = 1; i < elements.size() -1; i++) {\r
+ d += dist;\r
+ AlignElement e = elements.get(i);\r
+\r
+ double my = d - e.rotatedBounds.getMinY();\r
+ d += e.rotatedBounds.getHeight();\r
+\r
+ DiagramGraphUtil.changeTransform(graph, e.element, new double[]{e.transform[0],e.transform[1],e.transform[2],e.transform[3],e.transform[4],my});\r
+ }\r
+\r
+ break;\r
+ }\r
+\r
+ }\r
+\r
+\r
+ }\r
+ });\r
+\r
+ }\r
+\r
+ /**\r
+ * Rotate specified set of diagram element resources around the center of\r
+ * mass of the specified element selection.\r
+ * \r
+ * @param resources diagram element resources to rotate\r
+ * @param clockwise <code>true</code> to rotate 90 degrees clockwise,\r
+ * <code>false</code> to rotate 90 degrees counter-clockwise\r
+ */\r
+ public static void rotate(final Resource resources[], final boolean clockwise) {\r
+ SimanticsUI.getSession().asyncRequest(new WriteRequest() {\r
+ @Override\r
+ public void perform(WriteGraph graph) throws DatabaseException {\r
+ graph.markUndoPoint();\r
+ IDiagram hints = Diagram.spawnNew(DiagramClass.DEFAULT);\r
+\r
+ DiagramResource DIA = DiagramResource.getInstance(graph);\r
+ \r
+ List<AlignElement> elements = new ArrayList<AlignElement>();\r
+ List<Resource> connections = new ArrayList<Resource>();\r
+ for (Resource r : resources) {\r
+ AlignElement e = create(graph, hints, r);\r
+ if (e != null)\r
+ elements.add(e);\r
+ else if(graph.isInstanceOf(r, DIA.RouteGraphConnection))\r
+ connections.add(r);\r
+ }\r
+ if (elements.size() < 1)\r
+ return;\r
+\r
+ // Add comment to change set.\r
+ CommentMetadata cm = graph.getMetadata(CommentMetadata.class);\r
+ graph.addMetadata( cm.add("Rotate " + elements.size() + " elements " + (clockwise ? "clockwise" : "counter-clockwise")) );\r
+\r
+ AffineTransform at = clockwise ? AffineTransform.getQuadrantRotateInstance(1)\r
+ : AffineTransform.getQuadrantRotateInstance(3);\r
+\r
+ if (elements.size() == 1 && connections.isEmpty()) {\r
+ for (AlignElement e : elements) {\r
+ AffineTransform eat = new AffineTransform(e.transform[0], e.transform[1], e.transform[2], e.transform[3], 0, 0);\r
+ eat.preConcatenate(at);\r
+ \r
+ DiagramGraphUtil.changeTransform(graph, e.element, \r
+ new double[]{eat.getScaleX(),eat.getShearY(),eat.getShearX(),eat.getScaleY(),e.transform[4],e.transform[5]});\r
+ }\r
+ } else {\r
+ Rectangle2D selectionBounds = null;\r
+ for (AlignElement e : elements) {\r
+ if (selectionBounds != null) {\r
+ selectionBounds.add(e.transform[4], e.transform[5]);\r
+ } else {\r
+ selectionBounds = new Rectangle2D.Double(e.transform[4], e.transform[5], 0, 0);\r
+ }\r
+ }\r
+ \r
+ double cx = selectionBounds.getCenterX();\r
+ double cy = selectionBounds.getCenterY();\r
+\r
+ for (AlignElement e : elements) {\r
+ double x = e.transform[4];\r
+ double y = e.transform[5]; \r
+ double dx = x - cx;\r
+ double dy = y - cy;\r
+ Point2D r = at.transform(new Point2D.Double(dx, dy), null);\r
+ double mx = r.getX() + cx;\r
+ double my = r.getY() + cy;\r
+ AffineTransform eat = new AffineTransform(e.transform[0], e.transform[1], e.transform[2], e.transform[3], 0, 0);\r
+ eat.preConcatenate(at);\r
+ \r
+ DiagramGraphUtil.changeTransform(graph, e.element, \r
+ new double[]{eat.getScaleX(),eat.getShearY(),eat.getShearX(),eat.getScaleY(),mx,my});\r
+ }\r
+ \r
+ if(!connections.isEmpty()) {\r
+ Command rotateConnection = Commands.get(graph, "Simantics/Diagram/rotateConnection");\r
+ Resource model = graph.syncRequest(new IndexRoot(connections.get(0)));\r
+ for(Resource r : connections)\r
+ rotateConnection.execute(graph, model, r, cx, cy, clockwise);\r
+ }\r
+ }\r
+ }\r
+ });\r
+ }\r
+\r
+ /**\r
+ * Flip specified set of diagram element resources around either the x or\r
+ * y-axis specified by the mass center of the selection bounding box.\r
+ * Each element is considered to weigh an equal amount.\r
+ * \r
+ * @param resources diagram element resources to flip\r
+ * @param xAxis <code>true</code> to flip around x-axis, <code>false</code>\r
+ * for y-axis\r
+ */\r
+ public static void flip(final Resource resources[], final boolean xAxis) {\r
+ SimanticsUI.getSession().asyncRequest(new WriteRequest() {\r
+ @Override\r
+ public void perform(WriteGraph graph) throws DatabaseException {\r
+ graph.markUndoPoint();\r
+ IDiagram hints = Diagram.spawnNew(DiagramClass.DEFAULT);\r
+ \r
+ DiagramResource DIA = DiagramResource.getInstance(graph);\r
+\r
+ List<AlignElement> elements = new ArrayList<AlignElement>();\r
+ List<Resource> connections = new ArrayList<Resource>();\r
+ for (Resource r : resources) {\r
+ AlignElement e = create(graph, hints, r);\r
+ if (e != null)\r
+ elements.add(e);\r
+ else if(graph.isInstanceOf(r, DIA.RouteGraphConnection))\r
+ connections.add(r);\r
+ }\r
+ if (elements.size() < 1)\r
+ return;\r
+\r
+ // Add comment to change set.\r
+ CommentMetadata cm = graph.getMetadata(CommentMetadata.class);\r
+ graph.addMetadata( cm.add("Flip " + elements.size() + " elements " + (xAxis ? "vertically" : "horizontally")) );\r
+\r
+ if (elements.size() == 1 && connections.isEmpty()) {\r
+ for (AlignElement e : elements) {\r
+ if (xAxis) {\r
+ AffineTransform at = new AffineTransform(e.transform);\r
+ AffineTransform at2 = AffineTransform.getScaleInstance(1, -1);\r
+ at.preConcatenate(at2);\r
+ DiagramGraphUtil.changeTransform(graph, e.element, new double[]{at.getScaleX(),at.getShearY(),at.getShearX(),at.getScaleY(),e.transform[4],e.transform[5]});\r
+ } else {\r
+ AffineTransform at = new AffineTransform(e.transform);\r
+ AffineTransform at2 = AffineTransform.getScaleInstance(-1, 1);\r
+ at.preConcatenate(at2);\r
+ DiagramGraphUtil.changeTransform(graph, e.element, new double[]{at.getScaleX(),at.getShearY(),at.getShearX(),at.getScaleY(),e.transform[4],e.transform[5]});\r
+ }\r
+ }\r
+ } else {\r
+\r
+ Rectangle2D selectionBounds = null;\r
+ for (AlignElement e : elements) {\r
+ if (selectionBounds != null) {\r
+ selectionBounds.add(e.transform[4], e.transform[5]);\r
+ } else {\r
+ selectionBounds = new Rectangle2D.Double(e.transform[4], e.transform[5], 0, 0);\r
+ }\r
+ }\r
+\r
+ for (AlignElement e : elements) {\r
+ if (xAxis) {\r
+ double y = e.transform[5];\r
+ double cy = selectionBounds.getCenterY();\r
+ double my = cy + cy - y;\r
+ AffineTransform at = new AffineTransform(e.transform);\r
+ AffineTransform at2 = AffineTransform.getScaleInstance(1, -1);\r
+ at.preConcatenate(at2);\r
+ DiagramGraphUtil.changeTransform(graph, e.element, new double[]{at.getScaleX(),at.getShearY(),at.getShearX(),at.getScaleY(),e.transform[4],my});\r
+ } else {\r
+ double x = e.transform[4];\r
+ double cx = selectionBounds.getCenterX();\r
+ double mx = cx + cx - x;\r
+ \r
+ AffineTransform at = new AffineTransform(e.transform);\r
+ AffineTransform at2 = AffineTransform.getScaleInstance(-1, 1);\r
+ at.preConcatenate(at2);\r
+ DiagramGraphUtil.changeTransform(graph, e.element, new double[]{at.getScaleX(),at.getShearY(),at.getShearX(),at.getScaleY(),mx,e.transform[5]});\r
+ }\r
+ }\r
+ \r
+ if(!connections.isEmpty()) {\r
+ Command flipConnection = Commands.get(graph, "Simantics/Diagram/flipConnection");\r
+ Resource model = graph.syncRequest(new IndexRoot(connections.get(0)));\r
+ for(Resource r : connections)\r
+ flipConnection.execute(graph, model, r, xAxis, \r
+ xAxis ? selectionBounds.getCenterY() \r
+ : selectionBounds.getCenterX());\r
+ }\r
+ }\r
+\r
+ }\r
+ });\r
+ }\r
+\r
+ private static AlignElement create(ReadGraph graph, IDiagram hints, Resource r) throws ManyObjectsForFunctionalRelationException, NoSingleResultException, ServiceException, DatabaseException {\r
+ DiagramResource dr = DiagramResource.getInstance(graph);\r
+\r
+ if (graph.isInstanceOf(r, dr.Element) && !graph.isInstanceOf(r, dr.Connection) /*&& !graph.isInstanceOf(r, dr.Monitor)*/) {\r
+ double transform[] = graph.getPossibleRelatedValue(r, dr.HasTransform);\r
+ ElementClass ec = graph.syncRequest(DiagramRequests.getElementClass(graph.getSingleType(r, dr.Element), hints));\r
+ IElement e = Element.spawnNew(ec);\r
+ Rectangle2D bounds = ElementUtils.getElementBounds(e);\r
+ if (transform != null && bounds != null) {\r
+ return new AlignElement(r, transform, bounds);\r
+ }\r
+ }\r
+ return null;\r
+ }\r
+\r
+\r
+ private static class AlignElement {\r
+ public Resource element;\r
+ public double[] transform;\r
+ public Rectangle2D bounds;\r
+ public Rectangle2D rotatedBounds;\r
+// public Rectangle2D transformedBounds;\r
+\r
+ public AlignElement(Resource element, double[] transform, Rectangle2D bounds) {\r
+ this.element = element;\r
+ this.transform = transform;\r
+ this.bounds = bounds;\r
+// this.transformedBounds = getBounds();\r
+ this.rotatedBounds = getRotatedBounds();\r
+ }\r
+\r
+// public Rectangle2D getBounds() {\r
+// AffineTransform at = new AffineTransform(transform[0], transform[1], transform[2], transform[3], transform[4], transform[5]);\r
+// return GeometryUtils.transformShape(bounds, at).getBounds2D();\r
+// }\r
+\r
+ public Rectangle2D getRotatedBounds() {\r
+ AffineTransform at = new AffineTransform(transform[0], transform[1], transform[2], transform[3], 0.0, 0.0);\r
+ return GeometryUtils.transformShape(bounds, at).getBounds2D();\r
+ }\r
+\r
+ public double getDeterminant() {\r
+ return transform[0] * transform[3] - transform[1] * transform[2];\r
+ }\r
+\r
+ }\r
+\r
+ private static class XComparator implements Comparator<AlignElement> {\r
+ @Override\r
+ public int compare(AlignElement o1, AlignElement o2) {\r
+ if (o1.transform[4] < o2.transform[4])\r
+ return -1;\r
+ if (o1.transform[4] > o2.transform[4])\r
+ return 1;\r
+ return 0;\r
+\r
+ }\r
+ }\r
+\r
+ private static class YComparator implements Comparator<AlignElement> {\r
+ @Override\r
+ public int compare(AlignElement o1, AlignElement o2) {\r
+ if (o1.transform[5] < o2.transform[5])\r
+ return -1;\r
+ if (o1.transform[5] > o2.transform[5])\r
+ return 1;\r
+ return 0;\r
+\r
+ }\r
+ }\r
+\r
+ /**\r
+ * Set 2D affine transforms for the listed diagram element resources.\r
+ * \r
+ * @param elements diagram element resources to set transforms for\r
+ * @param transforms transforms for each element\r
+ */\r
+ public static Write setTransformRequest(final Collection<TransformedObject> elements)\r
+ {\r
+ return new WriteRequest() {\r
+ @Override\r
+ public void perform(WriteGraph graph) throws DatabaseException {\r
+ for (TransformedObject element : elements)\r
+ DiagramGraphUtil.changeTransform(graph, element.element, element.transform);\r
+ }\r
+ };\r
+ }\r
+\r
+ /**\r
+ * Set 2D affine transforms for the listed diagram element resources.\r
+ * \r
+ * @param undoContext the database undo context to use for the returned\r
+ * request\r
+ * @param elements diagram element resources to set transforms for\r
+ * @param transforms transforms for each element\r
+ * @param preConcatenate <code>true</code> to pre-concatenate the\r
+ * transforms, <code>false</code> to concatenate\r
+ */\r
+ public static Write concatenateTransformRequest(\r
+ UndoContext undoContext,\r
+ final Collection<TransformedObject> elements,\r
+ final boolean preConcatenate)\r
+ {\r
+ return new WriteRequest() {\r
+ @Override\r
+ public void perform(WriteGraph graph) throws DatabaseException {\r
+ for (TransformedObject element : elements) {\r
+ AffineTransform at = DiagramGraphUtil.getTransform(graph, element.element);\r
+ if (preConcatenate)\r
+ at.preConcatenate(element.transform);\r
+ else\r
+ at.concatenate(element.transform);\r
+ DiagramGraphUtil.setTransform(graph, element.element, at);\r
+ }\r
+ }\r
+ };\r
+ }\r
+\r
+ public static class TransformedObject {\r
+ public final Resource element;\r
+ public final AffineTransform transform;\r
+\r
+ public TransformedObject(Resource element) {\r
+ this.element = element;\r
+ this.transform = new AffineTransform();\r
+ }\r
+ public TransformedObject(Resource element, AffineTransform transform) {\r
+ this.element = element;\r
+ this.transform = transform;\r
+ }\r
+ }\r
+\r
+}\r
Code Review / simantics / platform.git / blobdiff