plantuml/src/net/sourceforge/plantuml/activitydiagram3/ActivityDiagram3.java

501 lines
18 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.activitydiagram3;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Objects;
import net.sourceforge.plantuml.FileFormatOption;
import net.sourceforge.plantuml.ISkinSimple;
import net.sourceforge.plantuml.UmlDiagram;
import net.sourceforge.plantuml.UmlDiagramType;
import net.sourceforge.plantuml.Url;
import net.sourceforge.plantuml.activitydiagram3.ftile.BoxStyle;
import net.sourceforge.plantuml.activitydiagram3.ftile.Swimlanes;
import net.sourceforge.plantuml.command.CommandExecutionResult;
import net.sourceforge.plantuml.core.DiagramDescription;
import net.sourceforge.plantuml.core.ImageData;
import net.sourceforge.plantuml.core.UmlSource;
import net.sourceforge.plantuml.cucadiagram.Display;
import net.sourceforge.plantuml.cucadiagram.Stereotype;
import net.sourceforge.plantuml.graphic.Rainbow;
import net.sourceforge.plantuml.graphic.StringBounder;
import net.sourceforge.plantuml.graphic.TextBlock;
import net.sourceforge.plantuml.graphic.TextBlockRecentred;
import net.sourceforge.plantuml.graphic.USymbol;
import net.sourceforge.plantuml.graphic.color.Colors;
import net.sourceforge.plantuml.sequencediagram.NotePosition;
import net.sourceforge.plantuml.sequencediagram.NoteType;
import net.sourceforge.plantuml.ugraphic.color.HColor;
import net.sourceforge.plantuml.ugraphic.comp.CompressionMode;
import net.sourceforge.plantuml.ugraphic.comp.CompressionXorYBuilder;
public class ActivityDiagram3 extends UmlDiagram {
enum SwimlaneStrategy {
SWIMLANE_FORBIDDEN, SWIMLANE_ALLOWED;
}
private SwimlaneStrategy swimlaneStrategy;
private final Swimlanes swinlanes = new Swimlanes(getSkinParam(), getPragma());
public ActivityDiagram3(UmlSource source, ISkinSimple skinParam) {
super(source, UmlDiagramType.ACTIVITY, skinParam);
}
private void manageSwimlaneStrategy() {
if (swimlaneStrategy == null) {
swimlaneStrategy = SwimlaneStrategy.SWIMLANE_FORBIDDEN;
}
}
public CommandExecutionResult swimlane(String name, HColor color, Display label) {
if (swimlaneStrategy == null) {
swimlaneStrategy = SwimlaneStrategy.SWIMLANE_ALLOWED;
}
if (swimlaneStrategy == SwimlaneStrategy.SWIMLANE_FORBIDDEN) {
return CommandExecutionResult.error("This swimlane must be defined at the start of the diagram.");
}
swinlanes.swimlane(name, color, label);
return CommandExecutionResult.ok();
}
private void setCurrent(Instruction ins) {
swinlanes.setCurrent(ins);
}
private Instruction current() {
return swinlanes.getCurrent();
}
private LinkRendering nextLinkRenderer() {
return swinlanes.nextLinkRenderer();
}
public CommandExecutionResult addActivity(Display activity, BoxStyle style, Url url, Colors colors,
Stereotype stereotype) {
manageSwimlaneStrategy();
final InstructionSimple ins = new InstructionSimple(activity, nextLinkRenderer(),
swinlanes.getCurrentSwimlane(), style, url, colors, stereotype);
final CommandExecutionResult added = current().add(ins);
if (added.isOk() == false) {
return added;
}
setNextLinkRendererInternal(LinkRendering.none());
manageHasUrl(activity);
if (url != null) {
hasUrl = true;
}
return CommandExecutionResult.ok();
}
public void addSpot(String spot, HColor color) {
final InstructionSpot ins = new InstructionSpot(spot, color, nextLinkRenderer(),
swinlanes.getCurrentSwimlane());
current().add(ins);
setNextLinkRendererInternal(LinkRendering.none());
manageSwimlaneStrategy();
}
public CommandExecutionResult addGoto(String name) {
final InstructionGoto ins = new InstructionGoto(swinlanes.getCurrentSwimlane(), name);
current().add(ins);
setNextLinkRendererInternal(LinkRendering.none());
return CommandExecutionResult.ok();
}
public CommandExecutionResult addLabel(String name) {
final InstructionLabel ins = new InstructionLabel(swinlanes.getCurrentSwimlane(), name);
current().add(ins);
setNextLinkRendererInternal(LinkRendering.none());
return CommandExecutionResult.ok();
}
public void start() {
manageSwimlaneStrategy();
current().add(new InstructionStart(swinlanes.getCurrentSwimlane(), nextLinkRenderer()));
setNextLinkRendererInternal(LinkRendering.none());
}
public void stop() {
manageSwimlaneStrategy();
final InstructionStop ins = new InstructionStop(swinlanes.getCurrentSwimlane(), nextLinkRenderer());
if (manageSpecialStopEndAfterEndWhile(ins)) {
return;
}
current().add(ins);
}
public void end() {
manageSwimlaneStrategy();
final InstructionEnd ins = new InstructionEnd(swinlanes.getCurrentSwimlane(), nextLinkRenderer());
if (manageSpecialStopEndAfterEndWhile(ins)) {
return;
}
current().add(ins);
}
private boolean manageSpecialStopEndAfterEndWhile(Instruction special) {
if (current() instanceof InstructionList == false) {
return false;
}
final InstructionList current = (InstructionList) current();
final Instruction last = current.getLast();
if (last instanceof InstructionWhile == false) {
return false;
}
final InstructionWhile instructionWhile = (InstructionWhile) last;
if (instructionWhile.containsBreak()) {
return false;
}
instructionWhile.setSpecial(special);
return true;
}
public void breakInstruction() {
manageSwimlaneStrategy();
current().add(new InstructionBreak(swinlanes.getCurrentSwimlane(), nextLinkRenderer()));
}
public DiagramDescription getDescription() {
return new DiagramDescription("activity3");
}
@Override
protected ImageData exportDiagramInternal(OutputStream os, int index, FileFormatOption fileFormatOption)
throws IOException {
// BUG42
// COMPRESSION
final StringBounder stringBounder = fileFormatOption.getDefaultStringBounder(getSkinParam());
swinlanes.computeSize(stringBounder);
TextBlock result = swinlanes;
result = CompressionXorYBuilder.build(CompressionMode.ON_X, result, stringBounder);
result = CompressionXorYBuilder.build(CompressionMode.ON_Y, result, stringBounder);
result = new TextBlockRecentred(result);
return createImageBuilder(fileFormatOption).drawable(result).write(os);
}
public void fork() {
manageSwimlaneStrategy();
final InstructionFork instructionFork = new InstructionFork(current(), nextLinkRenderer(), getSkinParam(),
swinlanes.getCurrentSwimlane());
current().add(instructionFork);
setNextLinkRendererInternal(LinkRendering.none());
setCurrent(instructionFork);
}
public CommandExecutionResult forkAgain() {
if (current() instanceof InstructionFork) {
final InstructionFork currentFork = (InstructionFork) current();
currentFork.manageOutRendering(nextLinkRenderer(), false);
setNextLinkRendererInternal(LinkRendering.none());
currentFork.forkAgain(swinlanes.getCurrentSwimlane());
return CommandExecutionResult.ok();
}
return CommandExecutionResult.error("Cannot find fork");
}
public CommandExecutionResult endFork(ForkStyle forkStyle, String label) {
if (current() instanceof InstructionFork) {
final InstructionFork currentFork = (InstructionFork) current();
currentFork.setStyle(forkStyle, label, swinlanes.getCurrentSwimlane());
currentFork.manageOutRendering(nextLinkRenderer(), true);
setNextLinkRendererInternal(LinkRendering.none());
setCurrent(currentFork.getParent());
return CommandExecutionResult.ok();
}
return CommandExecutionResult.error("Cannot find fork");
}
public void split() {
final InstructionSplit instructionSplit = new InstructionSplit(current(), nextLinkRenderer(),
swinlanes.getCurrentSwimlane());
setNextLinkRendererInternal(LinkRendering.none());
current().add(instructionSplit);
setCurrent(instructionSplit);
}
public CommandExecutionResult splitAgain() {
if (current() instanceof InstructionSplit) {
((InstructionSplit) current()).splitAgain(nextLinkRenderer());
setNextLinkRendererInternal(LinkRendering.none());
return CommandExecutionResult.ok();
}
return CommandExecutionResult.error("Cannot find split");
}
public CommandExecutionResult endSplit() {
if (current() instanceof InstructionSplit) {
((InstructionSplit) current()).endSplit(nextLinkRenderer(), swinlanes.getCurrentSwimlane());
setNextLinkRendererInternal(LinkRendering.none());
setCurrent(((InstructionSplit) current()).getParent());
return CommandExecutionResult.ok();
}
return CommandExecutionResult.error("Cannot find split");
}
public void startSwitch(Display test, HColor color) {
manageSwimlaneStrategy();
final InstructionSwitch instructionSwitch = new InstructionSwitch(swinlanes.getCurrentSwimlane(), current(),
test, nextLinkRenderer(), color, getSkinParam());
current().add(instructionSwitch);
setNextLinkRendererInternal(LinkRendering.none());
setCurrent(instructionSwitch);
}
public CommandExecutionResult switchCase(Display labelCase) {
if (current() instanceof InstructionSwitch) {
final boolean ok = ((InstructionSwitch) current()).switchCase(labelCase, nextLinkRenderer());
if (ok == false) {
return CommandExecutionResult.error("You cannot put an elseIf here");
}
setNextLinkRendererInternal(LinkRendering.none());
return CommandExecutionResult.ok();
}
return CommandExecutionResult.error("Cannot find switch");
}
public CommandExecutionResult endSwitch() {
if (current() instanceof InstructionSwitch) {
((InstructionSwitch) current()).endSwitch(nextLinkRenderer());
setNextLinkRendererInternal(LinkRendering.none());
setCurrent(((InstructionSwitch) current()).getParent());
return CommandExecutionResult.ok();
}
return CommandExecutionResult.error("Cannot find switch");
}
public void startIf(Display test, Display whenThen, HColor color, Url url) {
manageSwimlaneStrategy();
final InstructionIf instructionIf = new InstructionIf(swinlanes.getCurrentSwimlane(), current(), test,
LinkRendering.none().withDisplay(whenThen), nextLinkRenderer(), color, getSkinParam(), url);
current().add(instructionIf);
setNextLinkRendererInternal(LinkRendering.none());
setCurrent(instructionIf);
}
public CommandExecutionResult elseIf(LinkRendering inlabel, Display test, LinkRendering whenThen, HColor color) {
if (current() instanceof InstructionIf) {
final boolean ok = ((InstructionIf) current()).elseIf(inlabel, test, whenThen, nextLinkRenderer(), color);
if (ok == false) {
return CommandExecutionResult.error("You cannot put an elseIf here");
}
setNextLinkRendererInternal(LinkRendering.none());
return CommandExecutionResult.ok();
}
return CommandExecutionResult.error("Cannot find if");
}
public CommandExecutionResult else2(LinkRendering whenElse) {
if (current() instanceof InstructionIf) {
final boolean result = ((InstructionIf) current()).swithToElse2(whenElse, nextLinkRenderer());
if (result == false) {
return CommandExecutionResult.error("Cannot find if");
}
setNextLinkRendererInternal(LinkRendering.none());
return CommandExecutionResult.ok();
}
return CommandExecutionResult.error("Cannot find if");
}
public CommandExecutionResult endif() {
// System.err.println("Activity3::endif");
if (current() instanceof InstructionIf) {
((InstructionIf) current()).endif(nextLinkRenderer());
setNextLinkRendererInternal(LinkRendering.none());
setCurrent(((InstructionIf) current()).getParent());
return CommandExecutionResult.ok();
}
return CommandExecutionResult.error("Cannot find if");
}
public void startRepeat(HColor color, Display label, BoxStyle boxStyleIn, Colors colors) {
manageSwimlaneStrategy();
final InstructionRepeat instructionRepeat = new InstructionRepeat(swinlanes.getCurrentSwimlane(), current(),
nextLinkRenderer(), color, label, boxStyleIn, colors);
current().add(instructionRepeat);
setCurrent(instructionRepeat);
setNextLinkRendererInternal(LinkRendering.none());
}
public CommandExecutionResult repeatWhile(Display label, Display yes, Display out, Display linkLabel,
Rainbow linkColor) {
manageSwimlaneStrategy();
if (current() instanceof InstructionRepeat) {
final InstructionRepeat instructionRepeat = (InstructionRepeat) current();
final LinkRendering back = new LinkRendering(linkColor).withDisplay(linkLabel);
instructionRepeat.setTest(label, yes, out, nextLinkRenderer(), back, swinlanes.getCurrentSwimlane());
setCurrent(instructionRepeat.getParent());
this.setNextLinkRendererInternal(LinkRendering.none());
return CommandExecutionResult.ok();
}
return CommandExecutionResult.error("Cannot find repeat");
}
public CommandExecutionResult backward(Display label, BoxStyle boxStyle, LinkRendering incoming1,
LinkRendering incoming2) {
manageSwimlaneStrategy();
if (current() instanceof InstructionRepeat) {
final InstructionRepeat instructionRepeat = (InstructionRepeat) current();
instructionRepeat.setBackward(label, swinlanes.getCurrentSwimlane(), boxStyle, incoming1, incoming2);
return CommandExecutionResult.ok();
}
if (current() instanceof InstructionWhile) {
final InstructionWhile instructionWhile = (InstructionWhile) current();
instructionWhile.setBackward(label, swinlanes.getCurrentSwimlane(), boxStyle, incoming1, incoming2);
return CommandExecutionResult.ok();
}
return CommandExecutionResult.error("Cannot find repeat");
}
public void doWhile(Display test, Display yes, HColor color) {
manageSwimlaneStrategy();
final InstructionWhile instructionWhile = new InstructionWhile(swinlanes.getCurrentSwimlane(), current(), test,
nextLinkRenderer(), yes, color, getSkinParam());
current().add(instructionWhile);
setCurrent(instructionWhile);
}
public CommandExecutionResult endwhile(Display out) {
if (current() instanceof InstructionWhile) {
((InstructionWhile) current()).incoming(nextLinkRenderer());
((InstructionWhile) current()).outDisplay(out);
setNextLinkRendererInternal(LinkRendering.none());
setCurrent(((InstructionWhile) current()).getParent());
return CommandExecutionResult.ok();
}
return CommandExecutionResult.error("Cannot find while");
}
final public CommandExecutionResult kill() {
if (current().kill() == false) {
return CommandExecutionResult.error("kill cannot be used here");
}
return CommandExecutionResult.ok();
}
public void startGroup(Display name, HColor backColor, HColor titleColor, HColor borderColor, USymbol type,
double roundCorner) {
manageSwimlaneStrategy();
final InstructionGroup instructionGroup = new InstructionGroup(current(), name, backColor, titleColor,
swinlanes.getCurrentSwimlane(), borderColor, nextLinkRenderer(), type, roundCorner);
current().add(instructionGroup);
setCurrent(instructionGroup);
}
public CommandExecutionResult endGroup() {
if (current() instanceof InstructionGroup) {
setCurrent(((InstructionGroup) current()).getParent());
return CommandExecutionResult.ok();
}
return CommandExecutionResult.error("Cannot find group");
}
private void setNextLinkRendererInternal(LinkRendering link) {
// System.err.println("setNextLinkRendererInternal=" + link);
swinlanes.setNextLinkRenderer(Objects.requireNonNull(link));
}
private void setNextLink(LinkRendering linkRenderer) {
Objects.requireNonNull(linkRenderer);
// System.err.println("setNextLink=" + linkRenderer);
if (current() instanceof InstructionCollection) {
final Instruction last = ((InstructionCollection) current()).getLast();
if (last instanceof InstructionWhile) {
((InstructionWhile) last).outColor(linkRenderer.getRainbow());
} else if (last instanceof InstructionIf) {
((InstructionIf) last).outColor(linkRenderer);
}
}
this.setNextLinkRendererInternal(linkRenderer);
}
public void setLabelNextArrow(Display label) {
// if (current() instanceof InstructionRepeat && ((InstructionRepeat) current()).hasBackward()) {
// final InstructionRepeat instructionRepeat = (InstructionRepeat) current();
// instructionRepeat.setBackwardArrowLabel(label);
// return;
// }
if (current() instanceof InstructionWhile && ((InstructionWhile) current()).getLast() == null) {
((InstructionWhile) current()).overwriteYes(label);
return;
}
setNextLinkRendererInternal(nextLinkRenderer().withDisplay(label));
}
public void setColorNextArrow(Rainbow color) {
if (color == null) {
return;
}
final LinkRendering link = new LinkRendering(color);
setNextLink(link);
}
public CommandExecutionResult addNote(Display note, NotePosition position, NoteType type, Colors colors) {
final boolean ok = current().addNote(note, position, type, colors, swinlanes.getCurrentSwimlane());
if (ok == false) {
return CommandExecutionResult.error("Cannot add note here");
}
manageHasUrl(note);
return CommandExecutionResult.ok();
}
private boolean hasUrl = false;
private void manageHasUrl(Display display) {
if (display.hasUrl()) {
hasUrl = true;
}
}
@Override
public boolean hasUrl() {
return hasUrl;
}
}