plantuml/src/net/sourceforge/plantuml/bpm/Grid.java

342 lines
9.5 KiB
Java

/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2017, 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.bpm;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import net.sourceforge.plantuml.ISkinParam;
public class Grid {
private final Chain<Line> lines;
private final Chain<Col> cols;
private final Coord root;
private final Map<Coord, Cell> cells = new HashMap<Coord, Cell>();
public Grid() {
this.root = new Coord(new Line(), new Col());
this.lines = new ChainImpl<Line>(root.getLine());
this.cols = new ChainImpl<Col>(root.getCol());
this.cells.put(root, new Cell());
}
public Cell getCell(Coord coord) {
return getCell(coord.getLine(), coord.getCol());
}
public Cell getCell(Line line, Col col) {
if (lines.contains(line) == false) {
throw new IllegalArgumentException();
}
if (cols.contains(col) == false) {
throw new IllegalArgumentException();
}
final Coord coord = new Coord(line, col);
Cell result = cells.get(coord);
if (result == null) {
result = new Cell();
cells.put(coord, result);
}
return result;
}
// private Set<GridEdge> edgeWith(Cell someCell) {
// // final Set<GridEdge> result = new HashSet<GridEdge>();
// // for (GridEdge edge : edges) {
// // if (edge.match(someCell)) {
// // result.add(edge);
// // }
// // }
// // return Collections.unmodifiableSet(result);
// throw new UnsupportedOperationException();
//
// }
//
// private Collection<Cell> getCellsConnectedTo(Cell someCell) {
// final Set<Cell> result = new HashSet<Cell>();
// final Set<GridEdge> myEdges = edgeWith(someCell);
// for (Cell cell : cells.values()) {
// for (GridEdge edge : myEdges) {
// assert edge.match(someCell);
// if (edge.match(cell)) {
// result.add(cell);
// }
// }
// }
// return Collections.unmodifiableSet(result);
// }
//
// private SortedSet<Col> getColsConnectedTo(Cell someCell) {
// final SortedSet<Col> result = new TreeSet<Col>(cols);
// final Set<GridEdge> myEdges = edgeWith(someCell);
// for (Map.Entry<Coord, Cell> ent : cells.entrySet()) {
// for (GridEdge edge : myEdges) {
// assert edge.match(someCell);
// if (edge.match(ent.getValue())) {
// result.add(ent.getKey().getCol());
// }
// }
// }
// return Collections.unmodifiableSortedSet(result);
// }
// public SortedSet<Col> colsConnectedTo(Line line) {
// final SortedSet<Col> result = new TreeSet<Col>(cols);
// for (Map.Entry<Coord, Cell> ent : cells.entrySet()) {
// final Cell cell = ent.getValue();
// if (cell == null || cell.getData() == null) {
// continue;
// }
// if (ent.getKey().getLine() != line) {
// continue;
// }
// result.addAll(getColsConnectedTo(ent.getValue()));
//
// }
// return Collections.unmodifiableSortedSet(result);
// }
public Coord getById(String id) {
for (Map.Entry<Coord, Cell> ent : cells.entrySet()) {
final Cell cell = ent.getValue();
if (cell == null || cell.getData() == null) {
continue;
}
if (id.equals(cell.getData().getId())) {
return ent.getKey();
}
}
return null;
}
public final Coord getRoot() {
return root;
}
public final Chain<Line> lines() {
return lines;
}
public final Chain<Col> cols() {
return cols;
}
public final Coord getCoord(Cell cell) {
for (Map.Entry<Coord, Cell> ent : cells.entrySet()) {
if (ent.getValue() == cell) {
return ent.getKey();
}
}
throw new IllegalArgumentException();
}
public final Navigator<Line> linesOf(Coord coord) {
return lines.navigator(coord.getLine());
}
public final Navigator<Col> colsOf(Coord coord) {
return cols.navigator(coord.getCol());
}
public final Navigator<Line> linesOf(Cell cell) {
return linesOf(getCoord(cell));
}
public final Navigator<Col> colsOf(Cell cell) {
return colsOf(getCoord(cell));
}
public final GridArray toArray(ISkinParam skinParam) {
final List<Line> lines = this.lines.toList();
final List<Col> cols = this.cols.toList();
final GridArray result = new GridArray(skinParam, lines.size(), cols.size());
for (Map.Entry<Coord, Cell> ent : cells.entrySet()) {
final int l = lines.indexOf(ent.getKey().getLine());
final int r = cols.indexOf(ent.getKey().getCol());
if (r == -1 || l == -1) {
throw new IllegalStateException();
}
result.setData(l, r, ent.getValue().getData());
}
return result;
}
// public boolean isRowEmpty(Col row) {
// System.err.println("Testing Row " + row);
// for (Map.Entry<Coord, Cell> ent : cells.entrySet()) {
// final Cell cell = ent.getValue();
// if (cell == null || cell.getData() == null) {
// continue;
// }
// if (ent.getKey().getCol() == row) {
// System.err.println("Not empty " + cell + " " + cell.getData());
// return false;
// }
// }
// System.err.println("EMPTY!!!");
// return true;
// }
// public boolean isLineEmpty(Line line) {
// for (Map.Entry<Coord, Cell> ent : cells.entrySet()) {
// final Cell cell = ent.getValue();
// if (cell == null || cell.getData() == null) {
// continue;
// }
// if (ent.getKey().getLine() == line) {
// return false;
// }
// }
// return true;
// }
public Set<Col> usedColsOf(Line line) {
final Set<Col> result = new HashSet<Col>();
for (Map.Entry<Coord, Cell> ent : cells.entrySet()) {
final Cell cell = ent.getValue();
if (cell == null || cell.getData() == null) {
continue;
}
if (ent.getKey().getLine() == line) {
result.add(ent.getKey().getCol());
}
}
return Collections.unmodifiableSet(result);
}
public void removeLine(Line line) {
assert usedColsOf(line).isEmpty();
final boolean done = lines.remove(line);
if (done == false) {
throw new IllegalArgumentException();
}
}
// public void addEdge(Collection<GridEdge> other) {
// this.edges.addAll(other);
// }
public void mergeLines(Line source, Line dest) {
final Map<Coord, Cell> supp = new HashMap<Coord, Cell>();
for (Iterator<Map.Entry<Coord, Cell>> it = cells.entrySet().iterator(); it.hasNext();) {
final Map.Entry<Coord, Cell> ent = it.next();
final Cell cell = ent.getValue();
if (cell == null || cell.getData() == null) {
continue;
}
if (ent.getKey().getLine() == source) {
supp.put(new Coord(dest, ent.getKey().getCol()), cell);
it.remove();
}
}
cells.putAll(supp);
removeLine(source);
}
public void addConnections() {
for (Map.Entry<Coord, Cell> ent : new HashMap<Coord, Cell>(cells).entrySet()) {
final List<Cell> dests = ent.getValue().getDestinations();
final Coord src = ent.getKey();
for (int i = 0; i < dests.size(); i++) {
final Coord dest = getCoord(dests.get(i));
final boolean startHorizontal = i == 0;
if (startHorizontal) {
System.err.println("DrawingHorizontal " + ent.getValue() + " --> " + dests.get(i) + " " + i);
drawHorizontal(src, dest);
} else {
// drawVertical(src, dest);
}
}
}
}
private void drawVertical(final Coord src, final Coord dest) {
for (Navigator<Line> itLine = Navigators.iterate(lines, src.getLine(), dest.getLine()); itLine.get() != dest
.getLine();) {
final Line cur = itLine.next();
if (cur != dest.getLine()) {
Cell tmp = getCell(cur, src.getCol());
addPuzzle(tmp, "NS");
}
}
for (Navigator<Col> itCol = Navigators.iterate(cols, src.getCol(), dest.getCol()); itCol.get() != dest.getCol();) {
final Col cur = itCol.next();
if (cur != dest.getCol()) {
Cell tmp = getCell(dest.getLine(), cur);
addPuzzle(tmp, "EW");
}
}
}
private void drawHorizontal(final Coord src, final Coord dest) {
for (Navigator<Col> itCol = Navigators.iterate(cols, src.getCol(), dest.getCol()); itCol.get() != dest.getCol();) {
final Col cur = itCol.next();
if (cur != dest.getCol()) {
Cell tmp = getCell(src.getLine(), cur);
addPuzzle(tmp, "EW");
}
}
System.err.println("src=" + src + " " + getCell(src));
System.err.println("dest=" + dest + " " + getCell(dest));
for (Navigator<Line> itLine = Navigators.iterate(lines, src.getLine(), dest.getLine()); itLine.get() != dest
.getLine();) {
final Line cur = itLine.next();
if (cur != dest.getLine()) {
Cell tmp = getCell(cur, src.getCol());
addPuzzle(tmp, "NS");
}
}
}
private void addPuzzle(Cell tmp, String direction) {
ConnectorPuzzle after = ConnectorPuzzle.get(direction);
final ConnectorPuzzle before = (ConnectorPuzzle) tmp.getData();
if (before != null) {
after = after.append(before);
}
tmp.setData(after);
}
}