diff options
Diffstat (limited to 'src/net/sourceforge/plantuml/sequencediagram/graphic/MessageArrow.java')
| -rw-r--r-- | src/net/sourceforge/plantuml/sequencediagram/graphic/MessageArrow.java | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/src/net/sourceforge/plantuml/sequencediagram/graphic/MessageArrow.java b/src/net/sourceforge/plantuml/sequencediagram/graphic/MessageArrow.java new file mode 100644 index 0000000..73a9774 --- /dev/null +++ b/src/net/sourceforge/plantuml/sequencediagram/graphic/MessageArrow.java @@ -0,0 +1,190 @@ +/* ========================================================================
+ * 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.sequencediagram.graphic;
+
+import java.awt.geom.Dimension2D;
+
+import net.sourceforge.plantuml.Dimension2DDouble;
+import net.sourceforge.plantuml.Url;
+import net.sourceforge.plantuml.graphic.StringBounder;
+import net.sourceforge.plantuml.sequencediagram.NotePosition;
+import net.sourceforge.plantuml.skin.Area;
+import net.sourceforge.plantuml.skin.ArrowComponent;
+import net.sourceforge.plantuml.skin.Component;
+import net.sourceforge.plantuml.skin.Context2D;
+import net.sourceforge.plantuml.skin.Skin;
+import net.sourceforge.plantuml.ugraphic.UGraphic;
+import net.sourceforge.plantuml.ugraphic.UTranslate;
+
+class MessageArrow extends Arrow {
+
+ private final LivingParticipantBox p1;
+ private final LivingParticipantBox p2;
+ private final Component compAliveBox;
+
+ public MessageArrow(double startingY, Skin skin, Component arrow, LivingParticipantBox p1, LivingParticipantBox p2,
+ Url url, Component compAliveBox) {
+ super(startingY, skin, arrow, url);
+
+ if (p1 == p2) {
+ throw new IllegalArgumentException();
+ }
+ if (p1 == null || p2 == null) {
+ throw new IllegalArgumentException();
+ }
+ this.p1 = p1;
+ this.p2 = p2;
+ this.compAliveBox = compAliveBox;
+ }
+
+ @Override
+ public double getActualWidth(StringBounder stringBounder) {
+ final double r = getRightEndInternal(stringBounder) - getLeftStartInternal(stringBounder);
+ assert r > 0;
+ return r;
+ }
+
+ private double getLeftStartInternal(StringBounder stringBounder) {
+ return getParticipantAt(stringBounder, NotePosition.LEFT)
+ .getLiveThicknessAt(stringBounder, getArrowYStartLevel(stringBounder)).getSegment().getPos2();
+ }
+
+ private double getRightEndInternalOld(StringBounder stringBounder) {
+ return getParticipantAt(stringBounder, NotePosition.RIGHT).getLiveThicknessAt(stringBounder,
+ getArrowYStartLevel(stringBounder)).getSegment().getPos1();
+ }
+
+
+ private double getRightEndInternal(StringBounder stringBounder) {
+ final Segment segment = getParticipantAt(stringBounder, NotePosition.RIGHT).getLiveThicknessAt(stringBounder,
+ getArrowYStartLevel(stringBounder)).getSegment();
+ if (segment.getLength() == 0) {
+ return segment.getPos1();
+ }
+ final double rectWidth = compAliveBox.getPreferredWidth(stringBounder);
+ return segment.getPos2() - rectWidth;
+ }
+
+ @Override
+ public double getPreferredHeight(StringBounder stringBounder) {
+ return getArrowComponent().getPreferredHeight(stringBounder);
+ }
+
+ @Override
+ public double getStartingX(StringBounder stringBounder) {
+ return getLeftStartInternal(stringBounder);
+ }
+
+ @Override
+ public int getDirection(StringBounder stringBounder) {
+ final double x1 = p1.getParticipantBox().getCenterX(stringBounder);
+ final double x2 = p2.getParticipantBox().getCenterX(stringBounder);
+ if (x1 < x2) {
+ return 1;
+ }
+ return -1;
+ }
+
+ public LivingParticipantBox getParticipantAt(StringBounder stringBounder, NotePosition position) {
+ final int direction = getDirection(stringBounder);
+ if (direction == 1 && position == NotePosition.RIGHT) {
+ return p2;
+ }
+ if (direction == 1 && position == NotePosition.LEFT) {
+ return p1;
+ }
+ if (direction == -1 && position == NotePosition.RIGHT) {
+ return p1;
+ }
+ if (direction == -1 && position == NotePosition.LEFT) {
+ return p2;
+ }
+ throw new IllegalArgumentException();
+ }
+
+ @Override
+ public double getPreferredWidth(StringBounder stringBounder) {
+ return getArrowComponent().getPreferredWidth(stringBounder);
+ }
+
+ @Override
+ protected void drawInternalU(UGraphic ug, double maxX, Context2D context) {
+ final StringBounder stringBounder = ug.getStringBounder();
+ ug = ug.apply(new UTranslate(getStartingX(stringBounder), getStartingY()));
+ startUrl(ug);
+ getArrowComponent().drawU(ug, new Area(getActualDimension(stringBounder)), context);
+ endUrl(ug);
+ }
+
+ private Dimension2D getActualDimension(StringBounder stringBounder) {
+ return new Dimension2DDouble(getActualWidth(stringBounder) - getPaddingArrowHead(), getArrowComponent()
+ .getPreferredHeight(stringBounder));
+ }
+
+ @Override
+ public double getArrowYStartLevel(StringBounder stringBounder) {
+ if (getArrowComponent() instanceof ArrowComponent) {
+ final ArrowComponent arrowComponent = (ArrowComponent) getArrowComponent();
+ final Dimension2D dim = new Dimension2DDouble(arrowComponent.getPreferredWidth(stringBounder),
+ arrowComponent.getPreferredHeight(stringBounder));
+ return getStartingY() + arrowComponent.getStartPoint(stringBounder, dim).getY();
+ }
+ return getStartingY();
+ }
+
+ @Override
+ public double getArrowYEndLevel(StringBounder stringBounder) {
+ if (getArrowComponent() instanceof ArrowComponent) {
+ final ArrowComponent arrowComponent = (ArrowComponent) getArrowComponent();
+ final Dimension2D dim = new Dimension2DDouble(arrowComponent.getPreferredWidth(stringBounder),
+ arrowComponent.getPreferredHeight(stringBounder));
+ return getStartingY() + arrowComponent.getEndPoint(stringBounder, dim).getY();
+ }
+ return getStartingY() + getArrowComponent().getPreferredHeight(stringBounder);
+ }
+
+ public double getMaxX(StringBounder stringBounder) {
+ return getRightEndInternal(stringBounder);
+ }
+
+ public double getMinX(StringBounder stringBounder) {
+ return getLeftStartInternal(stringBounder);
+ }
+
+ public String toString(StringBounder stringBounder) {
+ return getMinX(stringBounder) + "-" + getMaxX(stringBounder);
+ }
+
+}
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