plantuml/src/net/sourceforge/plantuml/mindmap/MindMapDiagram.java

285 lines
10 KiB
Java

/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2020, Arnaud Roques
*
* Project Info: http://plantuml.com
*
* If you like this project or if you find it useful, you can support us at:
*
* http://plantuml.com/patreon (only 1$ per month!)
* http://plantuml.com/paypal
*
* This file is part of PlantUML.
*
* PlantUML is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* PlantUML distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
* License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
*
* Original Author: Arnaud Roques
*
*
*/
package net.sourceforge.plantuml.mindmap;
import java.awt.geom.Dimension2D;
import java.awt.geom.Rectangle2D;
import java.io.IOException;
import java.io.OutputStream;
import net.sourceforge.plantuml.AnnotatedWorker;
import net.sourceforge.plantuml.Dimension2DDouble;
import net.sourceforge.plantuml.Direction;
import net.sourceforge.plantuml.FileFormatOption;
import net.sourceforge.plantuml.ISkinParam;
import net.sourceforge.plantuml.Scale;
import net.sourceforge.plantuml.SkinParam;
import net.sourceforge.plantuml.UmlDiagram;
import net.sourceforge.plantuml.UmlDiagramType;
import net.sourceforge.plantuml.command.CommandExecutionResult;
import net.sourceforge.plantuml.core.DiagramDescription;
import net.sourceforge.plantuml.core.ImageData;
import net.sourceforge.plantuml.cucadiagram.Display;
import net.sourceforge.plantuml.graphic.InnerStrategy;
import net.sourceforge.plantuml.graphic.StringBounder;
import net.sourceforge.plantuml.graphic.TextBlock;
import net.sourceforge.plantuml.style.ClockwiseTopRightBottomLeft;
import net.sourceforge.plantuml.style.NoStyleAvailableException;
import net.sourceforge.plantuml.style.PName;
import net.sourceforge.plantuml.style.SName;
import net.sourceforge.plantuml.style.Style;
import net.sourceforge.plantuml.style.StyleBuilder;
import net.sourceforge.plantuml.style.StyleSignature;
import net.sourceforge.plantuml.svek.TextBlockBackcolored;
import net.sourceforge.plantuml.ugraphic.ImageBuilder;
import net.sourceforge.plantuml.ugraphic.ImageParameter;
import net.sourceforge.plantuml.ugraphic.MinMax;
import net.sourceforge.plantuml.ugraphic.UGraphic;
import net.sourceforge.plantuml.ugraphic.UTranslate;
import net.sourceforge.plantuml.ugraphic.color.HColor;
import net.sourceforge.plantuml.ugraphic.color.HColorUtils;
public class MindMapDiagram extends UmlDiagram {
private Branch left = new Branch();
private Branch right = new Branch();
private Direction defaultDirection = Direction.RIGHT;
public final void setDefaultDirection(Direction defaultDirection) {
this.defaultDirection = defaultDirection;
}
public DiagramDescription getDescription() {
return new DiagramDescription("MindMap");
}
public MindMapDiagram() {
super(UmlDiagramType.MINDMAP);
}
@Override
protected ImageData exportDiagramInternal(OutputStream os, int index, FileFormatOption fileFormatOption)
throws IOException {
final Scale scale = getScale();
final double dpiFactor = scale == null ? getScaleCoef(fileFormatOption) : scale.getScale(100, 100);
final ISkinParam skinParam = getSkinParam();
final int margin1 = SkinParam.zeroMargin(10);
final int margin2 = SkinParam.zeroMargin(10);
final Style style = StyleSignature.of(SName.root, SName.document, SName.mindmapDiagram)
.getMergedStyle(skinParam.getCurrentStyleBuilder());
HColor backgroundColor = style.value(PName.BackGroundColor).asColor(skinParam.getIHtmlColorSet());
if (backgroundColor == null) {
backgroundColor = HColorUtils.transparent();
}
final ClockwiseTopRightBottomLeft margins = ClockwiseTopRightBottomLeft.margin1margin2(margin1, margin2);
final String metadata = fileFormatOption.isWithMetadata() ? getMetadata() : null;
final ImageParameter imageParameter = new ImageParameter(skinParam.getColorMapper(), skinParam.handwritten(),
null, dpiFactor, metadata, "", margins, backgroundColor);
final ImageBuilder imageBuilder = ImageBuilder.build(imageParameter);
TextBlock result = getTextBlock();
result = new AnnotatedWorker(this, skinParam, fileFormatOption.getDefaultStringBounder(getSkinParam()))
.addAdd(result);
imageBuilder.setUDrawable(result);
return imageBuilder.writeImageTOBEMOVED(fileFormatOption, seed(), os);
}
private TextBlockBackcolored getTextBlock() {
return new TextBlockBackcolored() {
public void drawU(UGraphic ug) {
drawMe(ug);
}
public Rectangle2D getInnerPosition(String member, StringBounder stringBounder, InnerStrategy strategy) {
return null;
}
public Dimension2D calculateDimension(StringBounder stringBounder) {
computeFinger();
final double y1 = right.finger == null ? 0 : right.finger.getFullThickness(stringBounder) / 2;
final double y2 = left.finger == null ? 0 : left.finger.getFullThickness(stringBounder) / 2;
final double y = Math.max(y1, y2);
final double x = left.finger == null ? 0 : left.finger.getFullElongation(stringBounder);
final double width = right.finger == null ? x : x + right.finger.getFullElongation(stringBounder);
final double height = y
+ Math.max(left.finger == null ? 0 : left.finger.getFullThickness(stringBounder) / 2,
right.finger == null ? 0 : right.finger.getFullThickness(stringBounder) / 2);
return new Dimension2DDouble(width, height);
}
public MinMax getMinMax(StringBounder stringBounder) {
throw new UnsupportedOperationException();
}
public HColor getBackcolor() {
return null;
}
};
}
private void drawMe(UGraphic ug) {
if (left.root == null && right.root == null) {
return;
}
computeFinger();
final StringBounder stringBounder = ug.getStringBounder();
final double y1 = right.finger == null ? 0 : right.finger.getFullThickness(stringBounder) / 2;
final double y2 = left.finger == null ? 0 : left.finger.getFullThickness(stringBounder) / 2;
final double y = Math.max(y1, y2);
final double x = left.finger == null ? 0
: left.finger.getFullElongation(stringBounder) + ((FingerImpl) left.finger).getX12();
if (right.finger != null) {
right.finger.drawU(ug.apply(new UTranslate(x, y)));
}
if (left.finger != null) {
left.finger.drawU(ug.apply(new UTranslate(x, y)));
}
}
private void computeFinger() {
if (left.finger == null && right.finger == null) {
if (left.root.hasChildren()) {
left.finger = FingerImpl.build(left.root, getSkinParam(), Direction.LEFT);
}
if (left.finger == null || right.root.hasChildren()) {
right.finger = FingerImpl.build(right.root, getSkinParam(), Direction.RIGHT);
}
if (left.finger != null && right.finger != null) {
left.finger.doNotDrawFirstPhalanx();
}
}
}
public CommandExecutionResult addIdea(HColor backColor, int level, Display label, IdeaShape shape) {
return addIdea(backColor, level, label, shape, defaultDirection);
}
public CommandExecutionResult addIdea(HColor backColor, int level, Display label, IdeaShape shape,
Direction direction) {
String stereotype = label.getEndingStereotype();
if (stereotype != null) {
label = label.removeEndingStereotype();
}
return addIdeaInternal(stereotype, backColor, level, label, shape, direction);
}
public CommandExecutionResult addIdea(String stereotype, HColor backColor, int level, Display label,
IdeaShape shape) {
return addIdeaInternal(stereotype, backColor, level, label, shape, defaultDirection);
}
private CommandExecutionResult addIdeaInternal(String stereotype, HColor backColor, int level, Display label,
IdeaShape shape, Direction direction) {
try {
if (left.root == null && right.root == null) {
level = 0;
}
if (level == 0) {
if (this.right.root != null) {
return CommandExecutionResult.error(
"I don't know how to draw multi-root diagram. You should suggest an image so that the PlantUML team implements it :-)");
}
right.initRoot(getSkinParam().getCurrentStyleBuilder(), backColor, label, shape, stereotype);
left.initRoot(getSkinParam().getCurrentStyleBuilder(), backColor, label, shape, stereotype);
return CommandExecutionResult.ok();
}
if (direction == Direction.LEFT) {
return left.add(getSkinParam().getCurrentStyleBuilder(), backColor, level, label, shape, stereotype);
}
return right.add(getSkinParam().getCurrentStyleBuilder(), backColor, level, label, shape, stereotype);
} catch (NoStyleAvailableException e) {
// e.printStackTrace();
return CommandExecutionResult.error("General failure: no style available.");
}
}
static class Branch {
private Idea root;
private Idea last;
private Finger finger;
private void initRoot(StyleBuilder styleBuilder, HColor backColor, Display label, IdeaShape shape,
String stereotype) {
root = new Idea(styleBuilder, backColor, label, shape, stereotype);
last = root;
}
private Idea getParentOfLast(int nb) {
Idea result = last;
for (int i = 0; i < nb; i++) {
result = result.getParent();
}
return result;
}
private CommandExecutionResult add(StyleBuilder styleBuilder, HColor backColor, int level, Display label,
IdeaShape shape, String stereotype) {
if (last == null) {
return CommandExecutionResult.error("Check your indentation ?");
}
if (level == last.getLevel() + 1) {
final Idea newIdea = last.createIdea(styleBuilder, backColor, level, label, shape, stereotype);
last = newIdea;
return CommandExecutionResult.ok();
}
if (level <= last.getLevel()) {
final int diff = last.getLevel() - level + 1;
final Idea newIdea = getParentOfLast(diff).createIdea(styleBuilder, backColor, level, label, shape,
stereotype);
last = newIdea;
return CommandExecutionResult.ok();
}
return CommandExecutionResult.error("error42L");
}
}
}