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Diffstat (limited to 'src/net/sourceforge/plantuml/flowdiagram/FlowDiagram.java')
| -rw-r--r-- | src/net/sourceforge/plantuml/flowdiagram/FlowDiagram.java | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/src/net/sourceforge/plantuml/flowdiagram/FlowDiagram.java b/src/net/sourceforge/plantuml/flowdiagram/FlowDiagram.java new file mode 100644 index 0000000..cb665b0 --- /dev/null +++ b/src/net/sourceforge/plantuml/flowdiagram/FlowDiagram.java @@ -0,0 +1,206 @@ +/* ========================================================================
+ * PlantUML : a free UML diagram generator
+ * ========================================================================
+ *
+ * (C) Copyright 2009-2014, Arnaud Roques
+ *
+ * Project Info: http://plantuml.sourceforge.net
+ *
+ * This file is part of PlantUML.
+ *
+ * Licensed under The MIT License (Massachusetts Institute of Technology License)
+ *
+ * See http://opensource.org/licenses/MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
+ * IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ *
+ * Original Author: Arnaud Roques
+ */
+package net.sourceforge.plantuml.flowdiagram;
+
+import java.awt.geom.Dimension2D;
+import java.awt.geom.Point2D;
+import java.awt.image.BufferedImage;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import net.sourceforge.plantuml.Dimension2DDouble;
+import net.sourceforge.plantuml.FileFormatOption;
+import net.sourceforge.plantuml.UmlDiagram;
+import net.sourceforge.plantuml.UmlDiagramType;
+import net.sourceforge.plantuml.api.ImageDataSimple;
+import net.sourceforge.plantuml.core.DiagramDescription;
+import net.sourceforge.plantuml.core.DiagramDescriptionImpl;
+import net.sourceforge.plantuml.core.ImageData;
+import net.sourceforge.plantuml.golem.MinMaxGolem;
+import net.sourceforge.plantuml.golem.Path;
+import net.sourceforge.plantuml.golem.Position;
+import net.sourceforge.plantuml.golem.Tile;
+import net.sourceforge.plantuml.golem.TileArea;
+import net.sourceforge.plantuml.golem.TileGeometry;
+import net.sourceforge.plantuml.golem.TilesField;
+import net.sourceforge.plantuml.graphic.HtmlColorUtils;
+import net.sourceforge.plantuml.graphic.StringBounder;
+import net.sourceforge.plantuml.graphic.TextBlock;
+import net.sourceforge.plantuml.ugraphic.ColorMapperIdentity;
+import net.sourceforge.plantuml.ugraphic.UChangeBackColor;
+import net.sourceforge.plantuml.ugraphic.UChangeColor;
+import net.sourceforge.plantuml.ugraphic.UEllipse;
+import net.sourceforge.plantuml.ugraphic.UGraphic;
+import net.sourceforge.plantuml.ugraphic.UGraphicUtils;
+import net.sourceforge.plantuml.ugraphic.ULine;
+import net.sourceforge.plantuml.ugraphic.UShape;
+import net.sourceforge.plantuml.ugraphic.UTranslate;
+
+public class FlowDiagram extends UmlDiagram implements TextBlock {
+
+ private static double SINGLE_SIZE_X = 100;
+ private static double SINGLE_SIZE_Y = 35;
+
+ private TilesField field;
+ private final Map<Tile, ActivityBox> tilesBoxes = new HashMap<Tile, ActivityBox>();
+ private Tile lastTile;
+
+ public DiagramDescription getDescription() {
+ return new DiagramDescriptionImpl("Flow Diagram", getClass());
+ }
+
+ @Override
+ public UmlDiagramType getUmlDiagramType() {
+ return UmlDiagramType.FLOW;
+ }
+
+ public void lineSimple(TileGeometry orientation, String idDest, String label) {
+ final Tile newTile;
+ if (field == null) {
+ field = new TilesField();
+ tilesBoxes.clear();
+ newTile = field.getRoot();
+ } else {
+ newTile = field.createTile(lastTile, orientation);
+ }
+ final ActivityBox box = new ActivityBox(newTile, idDest, label);
+ tilesBoxes.put(newTile, box);
+ lastTile = newTile;
+ return;
+ }
+
+ public void linkSimple(TileGeometry orientation, String idDest) {
+ final Tile tile = getTileById(idDest);
+ field.addPath(lastTile, tile, orientation);
+ }
+
+ private Tile getTileById(String id) {
+ for (Map.Entry<Tile, ActivityBox> ent : tilesBoxes.entrySet()) {
+ if (ent.getValue().getId().equals(id)) {
+ return ent.getKey();
+ }
+ }
+ throw new IllegalArgumentException(id);
+ }
+
+ @Override
+ protected ImageData exportDiagramInternal(OutputStream os, int index, FileFormatOption fileFormatOption) throws IOException {
+ UGraphicUtils.writeImage(os, null, fileFormatOption, new ColorMapperIdentity(), HtmlColorUtils.WHITE, this);
+ return new ImageDataSimple();
+ }
+
+ public void drawU(UGraphic ug) {
+ double x = 0;
+ double y = 0;
+ final MinMaxGolem minMax = getMinMax();
+ x -= minMax.getMinX() * SINGLE_SIZE_X;
+ y -= minMax.getMinY() * SINGLE_SIZE_Y;
+ final StringBounder stringBounder = ug.getStringBounder();
+ for (Map.Entry<Tile, ActivityBox> ent : tilesBoxes.entrySet()) {
+ final Tile tile = ent.getKey();
+ final Position pos = field.getPosition(tile);
+ final int xmin = pos.getXmin();
+ final int ymin = pos.getYmin();
+ final ActivityBox box = ent.getValue();
+ final Dimension2D dimBox = box.calculateDimension(stringBounder);
+ final double deltaX = SINGLE_SIZE_X * 2 - dimBox.getWidth();
+ final double deltaY = SINGLE_SIZE_Y * 2 - dimBox.getHeight();
+ box.drawU(ug.apply(new UTranslate((x + xmin * SINGLE_SIZE_X + deltaX / 2), (y + ymin
+ * SINGLE_SIZE_Y + deltaY / 2))));
+ }
+ ug = ug.apply(new UChangeColor(HtmlColorUtils.MY_RED));
+ ug = ug.apply(new UChangeBackColor(HtmlColorUtils.MY_RED));
+ final UShape arrow = new UEllipse(7, 7);
+ for (Path p : field.getPaths()) {
+ final TileArea start = p.getStart();
+ final TileArea dest = p.getDest();
+ final Point2D pStart = movePoint(getCenter(start), start.getTile(), start.getGeometry(), stringBounder);
+ final Point2D pDest = movePoint(getCenter(dest), dest.getTile(), dest.getGeometry(), stringBounder);
+ final ULine line = new ULine(pDest.getX() - pStart.getX(), pDest.getY() - pStart.getY());
+ ug.apply(new UTranslate(x + pStart.getX(), y + pStart.getY())).draw(line);
+ ug.apply(new UTranslate(x + pDest.getX() - 3, y + pDest.getY() - 3)).draw(arrow);
+
+ }
+ }
+
+ private Point2D getCenter(TileArea area) {
+ final Tile tile = area.getTile();
+ final Position position = field.getPosition(tile);
+ final double x = position.getCenterX();
+ final double y = position.getCenterY();
+ return new Point2D.Double(x * SINGLE_SIZE_X, y * SINGLE_SIZE_Y);
+ }
+
+ private Point2D movePoint(Point2D pt, Tile tile, TileGeometry tileGeometry, StringBounder stringBounder) {
+ final Dimension2D dim = tilesBoxes.get(tile).calculateDimension(stringBounder);
+ final double width = dim.getWidth();
+ final double height = dim.getHeight();
+ double x = pt.getX();
+ double y = pt.getY();
+ switch (tileGeometry) {
+ case SOUTH:
+ y += height / 2;
+ break;
+ case NORTH:
+ y -= height / 2;
+ break;
+ case EAST:
+ x += width / 2;
+ break;
+ case WEST:
+ x -= width / 2;
+ break;
+ default:
+ throw new IllegalStateException();
+ }
+ return new Point2D.Double(x, y);
+ }
+
+ private MinMaxGolem getMinMax() {
+ final MinMaxGolem minMax = new MinMaxGolem();
+ for (Tile tile : tilesBoxes.keySet()) {
+ minMax.manage(field.getPosition(tile));
+ }
+ return minMax;
+ }
+
+ public Dimension2D calculateDimension(StringBounder stringBounder) {
+ final MinMaxGolem minMax = getMinMax();
+ return new Dimension2DDouble(minMax.getWidth() * SINGLE_SIZE_X, minMax.getHeight() * SINGLE_SIZE_Y);
+ }
+}
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