plantuml/src/net/sourceforge/plantuml/wire/WBlock.java

314 lines
9.6 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.wire;
import java.awt.geom.Dimension2D;
import java.util.ArrayList;
import java.util.List;
import java.util.StringTokenizer;
import net.sourceforge.plantuml.Dimension2DDouble;
import net.sourceforge.plantuml.ISkinParam;
import net.sourceforge.plantuml.SpriteContainerEmpty;
import net.sourceforge.plantuml.command.CommandExecutionResult;
import net.sourceforge.plantuml.cucadiagram.Display;
import net.sourceforge.plantuml.graphic.FontConfiguration;
import net.sourceforge.plantuml.graphic.HorizontalAlignment;
import net.sourceforge.plantuml.graphic.StringBounder;
import net.sourceforge.plantuml.graphic.TextBlock;
import net.sourceforge.plantuml.ugraphic.UFont;
import net.sourceforge.plantuml.ugraphic.UGraphic;
import net.sourceforge.plantuml.ugraphic.URectangle;
import net.sourceforge.plantuml.ugraphic.UTranslate;
import net.sourceforge.plantuml.ugraphic.color.HColor;
import net.sourceforge.plantuml.ugraphic.color.HColorUtils;
public class WBlock {
private final static int STARTING_Y = 10;
private final String name;
private final double forcedWidth;
private final double forcedHeight;
private final HColor color;
private final List<WBlock> children = new ArrayList<WBlock>();
private final UTranslate position;
private WBlock parent;
private UTranslate cursor = new UTranslate(10, STARTING_Y);
private WBlock addedToCursor = null;
private UTranslate futureOutHorizontal;
private UTranslate futureOutVertical;
private final List<WPrint> prints = new ArrayList<WPrint>();
public UTranslate getAbsolutePosition(String supx, String supy) {
if (parent == null) {
return position;
}
final UTranslate p = parent.getAbsolutePosition("0", "0");
final double x = position.getDx() + p.getDx() + parseWidth(supx);
final double y = position.getDy() + p.getDy() + parseHeight(supy);
return new UTranslate(x, y);
}
private double parseWidth(String value) {
if (value.endsWith("%")) {
final double p = Double.parseDouble(value.substring(0, value.length() - 1)) / 100.0;
return getMaxDimension().getWidth() * p;
}
if (value.contains("%")) {
final StringTokenizer st = new StringTokenizer(value, "%");
final String v1 = st.nextToken();
final String v2 = st.nextToken();
final double p = Double.parseDouble(v1) / 100.0;
return getMaxDimension().getWidth() * p + Double.parseDouble(v2);
}
return Double.parseDouble(value);
}
private double parseHeight(String value) {
if (value.endsWith("%")) {
final double p = Double.parseDouble(value.substring(0, value.length() - 1)) / 100.0;
return getMaxDimension().getHeight() * p;
}
if (value.contains("%")) {
final StringTokenizer st = new StringTokenizer(value, "%");
final String v1 = st.nextToken();
final String v2 = st.nextToken();
final double p = Double.parseDouble(v1) / 100.0;
return getMaxDimension().getHeight() * p + Double.parseDouble(v2);
}
return Double.parseDouble(value);
}
@Override
public String toString() {
return name + " " + position;
}
public WBlock(String name, UTranslate position, double width, double height, HColor color) {
this.name = name;
this.forcedWidth = width;
this.forcedHeight = height;
this.color = color;
this.position = position;
}
private WBlock getChildByName(String name) {
for (WBlock child : children) {
if (name.equals(child.getName())) {
return child;
}
}
return null;
}
public WBlock getBlock(String name) {
final int x = name.indexOf('.');
if (x == -1) {
return getChildByName(name);
}
final WBlock first = getChildByName(name.substring(0, x));
if (first == null) {
return null;
}
return first.getBlock(name.substring(x + 1));
}
private String getName() {
return name;
}
public CommandExecutionResult newColumn(int level) {
if (level == 0) {
final Dimension2D max = getNaturalDimension();
this.cursor = new UTranslate(max.getWidth() + 10, STARTING_Y);
this.addedToCursor = null;
return CommandExecutionResult.ok();
}
return getLastChild().newColumn(level - 1);
}
public CommandExecutionResult wgoto(int level, double x, double y) {
if (level == 0) {
this.cursor = new UTranslate(x, y);
this.addedToCursor = null;
return CommandExecutionResult.ok();
}
return getLastChild().wgoto(level - 1, x, y);
}
public CommandExecutionResult wmove(int level, double x, double y) {
if (level == 0) {
this.cursor = this.cursor.compose(new UTranslate(x, y));
return CommandExecutionResult.ok();
}
return getLastChild().wmove(level - 1, x, y);
}
public CommandExecutionResult print(StringBounder stringBounder, ISkinParam skinParam, int level, String text) {
if (level == 0) {
final WPrint print = new WPrint(skinParam, getNextPosition(), null, Display.getWithNewlines(text));
this.prints.add(print);
this.cursor = this.cursor.compose(UTranslate.dy(print.getHeight(stringBounder)));
return CommandExecutionResult.ok();
}
return getLastChild().print(stringBounder, skinParam, level - 1, text);
}
public CommandExecutionResult addBlock(int level, String name, double width, double height, HColor color) {
if (name.contains(".")) {
throw new IllegalArgumentException();
}
if (getChildByName(name) != null) {
return CommandExecutionResult.error("Component exists already");
}
if (level == 0) {
this.cursor = this.cursor.compose(UTranslate.dy(10));
final WBlock newBlock = new WBlock(name, getNextPosition(), width, height, color);
this.cursor = this.cursor.compose(UTranslate.dy(10));
this.addedToCursor = newBlock;
children.add(newBlock);
newBlock.parent = this;
return CommandExecutionResult.ok();
}
final WBlock last = getLastChild();
return last.addBlock(level - 1, name, width, height, color);
}
private UTranslate getNextPosition() {
if (this.addedToCursor != null) {
final Dimension2D dim = this.addedToCursor.getMaxDimension();
this.cursor = this.cursor.compose(UTranslate.dy(dim.getHeight()));
}
this.addedToCursor = null;
return this.cursor;
}
private WBlock getLastChild() {
if (children.size() == 0) {
return null;
}
return children.get(children.size() - 1);
}
public void drawMe(UGraphic ug) {
drawBox(ug);
final UFont font = UFont.sansSerif(12);
final FontConfiguration fc = new FontConfiguration(font, HColorUtils.BLACK, HColorUtils.BLACK, false);
final Display display = Display.create(name.replace('_', ' '));
final TextBlock text = display.create(fc, HorizontalAlignment.LEFT, new SpriteContainerEmpty());
text.drawU(ug.apply(UTranslate.dx(5)));
}
private void drawBox(UGraphic ug) {
ug = ug.apply(HColorUtils.BLACK);
if (name.length() > 0) {
final URectangle rect = new URectangle(getMaxDimension());
UGraphic ugRect = ug;
if (color != null) {
ugRect = ugRect.apply(color.bg());
}
ugRect.draw(rect);
}
for (WBlock child : children) {
child.drawMe(ug.apply(child.position));
}
for (WPrint print : prints) {
print.drawMe(ug.apply(print.getPosition()));
}
}
private Dimension2D getMaxDimension() {
if (children.size() > 0) {
if (forcedWidth != 0) {
return new Dimension2DDouble(forcedWidth, forcedHeight);
}
return getNaturalDimension();
}
final double x = forcedWidth == 0 ? 100 : forcedWidth;
final double y = forcedHeight == 0 ? 100 : forcedHeight;
return new Dimension2DDouble(x, y);
}
private Dimension2D getNaturalDimension() {
double x = 0;
double y = 0;
for (WBlock child : children) {
final Dimension2D dim = child.getMaxDimension();
x = Math.max(x, child.position.getDx() + dim.getWidth() + 10);
y = Math.max(y, child.position.getDy() + dim.getHeight() + 10);
}
return new Dimension2DDouble(x, y);
}
public UTranslate getNextOutHorizontal(String x, String y, WLinkType type) {
final UTranslate result;
if (x != null && y != null) {
result = getAbsolutePosition(x, y);
} else if (futureOutHorizontal == null) {
result = getAbsolutePosition("100%", "5");
} else {
result = futureOutHorizontal;
}
futureOutHorizontal = result.compose(UTranslate.dy(type.spaceForNext()));
return result;
}
public UTranslate getNextOutVertical(String x, String y, WLinkType type) {
final UTranslate result;
if (x != null && y != null) {
result = getAbsolutePosition(x, y);
} else if (futureOutVertical == null) {
result = getAbsolutePosition("5", "100%");
} else {
result = futureOutVertical;
}
futureOutVertical = result.compose(UTranslate.dx(type.spaceForNext()));
return result;
}
}