root / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / rendering / ZSort.java @ 38563
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| 1 | 11741 | jaume | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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| 2 | *
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| 3 | * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.
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| 4 | *
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| 5 | * This program is free software; you can redistribute it and/or
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| 6 | * modify it under the terms of the GNU General Public License
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| 7 | * as published by the Free Software Foundation; either version 2
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| 8 | * of the License, or (at your option) any later version.
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| 9 | *
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| 10 | * This program is distributed in the hope that it will be useful,
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | * GNU General Public License for more details.
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| 14 | *
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| 15 | * You should have received a copy of the GNU General Public License
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| 16 | * along with this program; if not, write to the Free Software
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| 17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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| 18 | *
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| 19 | * For more information, contact:
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| 20 | *
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| 21 | * Generalitat Valenciana
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| 22 | * Conselleria d'Infraestructures i Transport
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| 23 | * Av. Blasco Ib??ez, 50
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| 24 | * 46010 VALENCIA
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| 25 | * SPAIN
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| 26 | *
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| 27 | * +34 963862235
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| 28 | * gvsig@gva.es
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| 29 | * www.gvsig.gva.es
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| 30 | *
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| 31 | * or
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| 32 | *
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| 33 | * IVER T.I. S.A
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| 34 | * Salamanca 50
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| 35 | * 46005 Valencia
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| 36 | * Spain
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| 37 | *
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| 38 | * +34 963163400
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| 39 | * dac@iver.es
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| 40 | */
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| 41 | package com.iver.cit.gvsig.fmap.rendering; |
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| 42 | |||
| 43 | import java.util.Hashtable; |
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| 44 | |||
| 45 | import com.iver.cit.gvsig.fmap.core.symbols.IMultiLayerSymbol; |
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| 46 | import com.iver.cit.gvsig.fmap.core.symbols.ISymbol; |
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| 47 | 18621 | jdominguez | import com.iver.cit.gvsig.fmap.layers.LegendChangedEvent; |
| 48 | 13913 | jaume | import com.iver.utiles.IPersistence; |
| 49 | 12786 | jaume | import com.iver.utiles.XMLEntity; |
| 50 | 11741 | jaume | |
| 51 | /**
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| 52 | 13913 | jaume | * Class ZSort is used in order to store information about the symbols
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| 53 | * which are placed in the Z axis (because a level of symbols has been
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| 54 | * used).
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| 55 | 25107 | vcaballero | *
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| 56 | 11741 | jaume | * @author jaume dominguez faus - jaume.dominguez@iver.es
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| 57 | */
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| 58 | 18621 | jdominguez | public class ZSort implements IPersistence, LegendContentsChangedListener { |
| 59 | 13953 | jaume | private static final String COLUMN_SEPARATOR = ","; |
| 60 | private static final String ROW_SEPARATOR = ";"; |
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| 61 | 13927 | jaume | private int[][] matrix; |
| 62 | private boolean usingZSort; |
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| 63 | 25107 | vcaballero | private Hashtable<ISymbol, Integer> symbols = new Hashtable<ISymbol, Integer>(); |
| 64 | 11741 | jaume | |
| 65 | 13927 | jaume | public ZSort(ILegend legend) {
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| 66 | 18621 | jdominguez | initialize(legend); |
| 67 | } |
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| 68 | |||
| 69 | private void initialize(ILegend legend) { |
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| 70 | 13927 | jaume | ISymbol[] symbols;
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| 71 | if (legend instanceof IClassifiedLegend) { |
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| 72 | symbols = ((IClassifiedLegend) legend).getSymbols(); |
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| 73 | 25107 | vcaballero | |
| 74 | 13927 | jaume | } else {
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| 75 | symbols = new ISymbol[] {legend.getDefaultSymbol()}; |
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| 76 | } |
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| 77 | matrix = new int[symbols.length][]; |
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| 78 | 25107 | vcaballero | |
| 79 | 13927 | jaume | for (int i = 0; i < symbols.length; i++) { |
| 80 | this.symbols.put(symbols[i], i);
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| 81 | 25107 | vcaballero | int rowLength = symbols[i] instanceof IMultiLayerSymbol ? |
| 82 | ((IMultiLayerSymbol) symbols[i]).getLayerCount() : |
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| 83 | 14161 | jdominguez | 1;
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| 84 | matrix[i] = new int[rowLength]; |
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| 85 | 13927 | jaume | } |
| 86 | 22465 | vcaballero | legend.addLegendListener(this);
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| 87 | 13927 | jaume | } |
| 88 | 11741 | jaume | |
| 89 | 26364 | vcaballero | private void addSymbol(ISymbol sym){ |
| 90 | if(!symbols.contains(sym)){
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| 91 | int rowLength = sym instanceof IMultiLayerSymbol ? |
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| 92 | ((IMultiLayerSymbol) sym).getLayerCount() : 1;
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| 93 | int[][] auxMatrix = new int[matrix.length+1][]; |
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| 94 | int newIndex = matrix.length;
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| 95 | for (int i=0; i<newIndex; i++){ |
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| 96 | auxMatrix[i] = matrix[i]; |
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| 97 | } |
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| 98 | int[] row = new int[rowLength]; |
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| 99 | for (int i=0; i<rowLength; i++){ |
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| 100 | row[i] = 0;
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| 101 | } |
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| 102 | auxMatrix[newIndex] = row; |
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| 103 | matrix = auxMatrix; |
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| 104 | this.symbols.put(sym, newIndex);
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| 105 | } |
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| 106 | } |
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| 107 | |||
| 108 | 18621 | jdominguez | public void legendChanged(LegendChangedEvent e) { |
| 109 | symbols.clear(); |
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| 110 | usingZSort = false;
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| 111 | initialize(e.getNewLegend()); |
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| 112 | 25107 | vcaballero | |
| 113 | 18621 | jdominguez | } |
| 114 | 11741 | jaume | |
| 115 | 13927 | jaume | public String getClassName() { |
| 116 | return getClass().getName();
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| 117 | } |
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| 118 | 11741 | jaume | |
| 119 | 13927 | jaume | public XMLEntity getXMLEntity() {
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| 120 | 13953 | jaume | XMLEntity xml = new XMLEntity();
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| 121 | xml.putProperty("className", getClassName());
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| 122 | |||
| 123 | 25107 | vcaballero | /*
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| 124 | * ADVICE:
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| 125 | * don't try to persist symbols!!
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| 126 | 13953 | jaume | * they are already persisted by the legend!!!
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| 127 | */
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| 128 | 25107 | vcaballero | |
| 129 | 13953 | jaume | xml.putProperty("usingZSort", isUsingZSort());
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| 130 | |||
| 131 | 25107 | vcaballero | |
| 132 | 13953 | jaume | String strMatrix = ""; |
| 133 | for (int i = 0; i < matrix.length; i++) { |
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| 134 | int[] row = matrix[i]; |
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| 135 | String strRow = ""; |
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| 136 | for (int j = 0; j < row.length; j++) { |
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| 137 | strRow += matrix[i][j] + COLUMN_SEPARATOR; |
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| 138 | } |
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| 139 | strMatrix += strRow + ROW_SEPARATOR; |
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| 140 | } |
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| 141 | 25107 | vcaballero | |
| 142 | 13953 | jaume | xml.putProperty("matrix", strMatrix);
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| 143 | return xml;
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| 144 | 13927 | jaume | } |
| 145 | 25107 | vcaballero | |
| 146 | 13927 | jaume | public void setXMLEntity(XMLEntity xml) { |
| 147 | 13953 | jaume | setUsingZSort(xml.getBooleanProperty("usingZSort"));
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| 148 | |||
| 149 | 25107 | vcaballero | /*
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| 150 | * ADVICE:
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| 151 | * don't try to initialize the symbols!!
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| 152 | 13953 | jaume | * they must be initialized by the legend!!!
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| 153 | */
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| 154 | |||
| 155 | String strMatrix = xml.getStringProperty("matrix"); |
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| 156 | String[] strRows = strMatrix.split(ROW_SEPARATOR); |
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| 157 | 25107 | vcaballero | |
| 158 | 13953 | jaume | matrix = new int[strRows.length][]; |
| 159 | for (int i = 0; i < strRows.length; i++) { |
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| 160 | String[] strColumns = strRows[i].split(COLUMN_SEPARATOR); |
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| 161 | matrix[i] = new int[strColumns.length]; |
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| 162 | for (int j = 0; j < strColumns.length; j++) { |
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| 163 | matrix[i][j] = Integer.parseInt(strColumns[j]);
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| 164 | } |
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| 165 | } |
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| 166 | 13927 | jaume | } |
| 167 | 11741 | jaume | |
| 168 | |||
| 169 | 13927 | jaume | public int getLevelCount() { |
| 170 | int count = -1; |
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| 171 | for (int i = 0; i < matrix.length; i++) { |
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| 172 | for (int j = 0; j < matrix[i].length; j++) { |
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| 173 | count = Math.max(count, matrix[i][j]);
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| 174 | } |
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| 175 | } |
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| 176 | return count + 1; |
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| 177 | } |
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| 178 | 11741 | jaume | |
| 179 | |||
| 180 | 13927 | jaume | public void setUsingZSort(boolean usingZSort) { |
| 181 | this.usingZSort = usingZSort;
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| 182 | } |
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| 183 | 11741 | jaume | |
| 184 | 13927 | jaume | public void setLevels(ISymbol sym, int[] values) { |
| 185 | setLevels(symbols.get(sym), values); |
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| 186 | } |
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| 187 | 11741 | jaume | |
| 188 | |||
| 189 | 13927 | jaume | public void setLevels(int row, int[] values) { |
| 190 | matrix[row] = values; |
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| 191 | } |
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| 192 | 11741 | jaume | |
| 193 | 26364 | vcaballero | public int[] getLevels(ISymbol sym) { |
| 194 | Integer row = symbols.get(sym);
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| 195 | if (row != null) { |
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| 196 | return getLevels(row);
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| 197 | } else {
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| 198 | ISymbol[] theSymbols = getSymbols();
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| 199 | for (int i = 0; i < theSymbols.length; i++) { |
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| 200 | ISymbol auxSymbol = theSymbols[i]; |
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| 201 | if (auxSymbol.equals(sym)){
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| 202 | return getLevels(symbols.get(auxSymbol));
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| 203 | } |
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| 204 | } |
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| 205 | } |
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| 206 | return null; |
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| 207 | } |
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| 208 | 11808 | jaume | |
| 209 | 26364 | vcaballero | |
| 210 | public int[] getLevels(int row) { |
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| 211 | return matrix[row];
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| 212 | } |
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| 213 | |||
| 214 | |||
| 215 | 13927 | jaume | public boolean isUsingZSort() { |
| 216 | return usingZSort;
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| 217 | } |
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| 218 | 11808 | jaume | |
| 219 | 11741 | jaume | |
| 220 | 13927 | jaume | public ISymbol[] getSymbols() { |
| 221 | return symbols.keySet().toArray(new ISymbol[0]); |
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| 222 | } |
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| 223 | 11808 | jaume | |
| 224 | |||
| 225 | 13927 | jaume | public String[] getDescriptions() { |
| 226 | ISymbol[] symbols = getSymbols();
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| 227 | String[] descs = new String[symbols.length]; |
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| 228 | for (int i = 0; i < descs.length; i++) { |
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| 229 | descs[i] = symbols[i].getDescription(); |
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| 230 | } |
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| 231 | return descs;
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| 232 | } |
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| 233 | 30082 | vcaballero | |
| 234 | public void copyLevels(ZSort zsort) { |
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| 235 | ISymbol[] syms = zsort.getSymbols();
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| 236 | for (int i=0; i<syms.length; i++){ |
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| 237 | ISymbol sym = syms[i]; |
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| 238 | int[] levels = zsort.getLevels(sym); |
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| 239 | if (levels!=null){ |
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| 240 | ISymbol[] mySymbols = getSymbols();
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| 241 | for (int j = 0; j < mySymbols.length; j++) { |
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| 242 | ISymbol auxSymbol = mySymbols[j]; |
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| 243 | if (auxSymbol.equals(sym)){
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| 244 | setLevels(auxSymbol, levels); |
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| 245 | } |
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| 246 | } |
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| 247 | } |
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| 248 | } |
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| 249 | } |
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| 250 | 11808 | jaume | |
| 251 | 11741 | jaume | |
| 252 | 26364 | vcaballero | /*
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| 253 | * [PACO] Comentarizado porque no hace lo que se esperar?a de ?l.
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| 254 | * Si tenemos una leyenda con un simbolo Multilayer compuesto
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| 255 | * por, entre otros, un simbolo simple que coincide con otro de
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| 256 | * los simbolos de la leyenda, este metodo devuelve el nivel
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| 257 | * del s?mbolo que encuentra primero.
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| 258 | *
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| 259 | * Se ha eliminado cualquier referencia a este metodo en el resto
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| 260 | * del workspace, sustituyendola convenientemente por
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| 261 | * referencias a getLevels.
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| 262 | */
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| 263 | // public int getSymbolLevel(ISymbol layer) {
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| 264 | // ISymbol[] theSymbols = getSymbols();
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| 265 | //
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| 266 | // for (int i = 0; i < theSymbols.length; i++) {
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| 267 | // ISymbol mySymbol = theSymbols[i];
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| 268 | //
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| 269 | // if (mySymbol instanceof IMultiLayerSymbol) {
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| 270 | // IMultiLayerSymbol multiSym = (IMultiLayerSymbol) mySymbol;
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| 271 | // for (int j = 0; j < multiSym.getLayerCount(); j++) {
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| 272 | // ISymbol myInnerSymbol = multiSym.getLayer(j);
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| 273 | // if (myInnerSymbol.equals(layer)) {
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| 274 | // int row = symbols.get(multiSym);
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| 275 | // return matrix[row][j];
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| 276 | // }
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| 277 | // }
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| 278 | // } else {
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| 279 | // if (mySymbol.equals(layer)){
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| 280 | // return matrix[symbols.get(mySymbol)][0];
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| 281 | // }
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| 282 | // }
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| 283 | // }
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| 284 | //
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| 285 | //// return 0;
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| 286 | // return -1;
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| 287 | // }
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| 288 | 25107 | vcaballero | |
| 289 | |||
| 290 | 13927 | jaume | public int getTopLevelIndexAllowed() { |
| 291 | ISymbol[] symbols = getSymbols();
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| 292 | int count=0; |
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| 293 | for (int i = 0; i < symbols.length; i++) { |
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| 294 | if (symbols[i] instanceof IMultiLayerSymbol) { |
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| 295 | IMultiLayerSymbol mSymbol = (IMultiLayerSymbol) symbols[i]; |
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| 296 | count = Math.max(count, mSymbol.getLayerCount());
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| 297 | } else
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| 298 | count = Math.max(count, 1); |
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| 299 | } |
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| 300 | return count;
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| 301 | } |
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| 302 | 25107 | vcaballero | |
| 303 | 13927 | jaume | @Override
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| 304 | public String toString() { |
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| 305 | String out = "Symbols:\n---------\n\n"; |
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| 306 | ISymbol[] syms = getSymbols();
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| 307 | for (int i = 0; i < syms.length; i++) { |
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| 308 | out += syms.getClass()+":\t"+syms[i].getDescription();
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| 309 | } |
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| 310 | out += "\nMatrix:\n--------\n\n";
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| 311 | out += " \t";
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| 312 | for (int i = 0; i < getTopLevelIndexAllowed(); i++) { |
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| 313 | out += "column"+i+"\t\t"; |
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| 314 | } |
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| 315 | out += "\n";
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| 316 | for (int i = 0; i < matrix.length; i++) { |
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| 317 | out += "row "+i+":\t"; |
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| 318 | for (int j = 0; j < matrix[i].length; j++) { |
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| 319 | out += matrix[i][j]+"\t\t";
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| 320 | } |
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| 321 | out += "\n";
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| 322 | } |
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| 323 | return out;
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| 324 | 25107 | vcaballero | } |
| 325 | |||
| 326 | 14202 | jvidal | private void replaceSymbol(ISymbol oldSymbol, ISymbol newSymbol) { |
| 327 | 14234 | jdominguez | if (oldSymbol == newSymbol) return; |
| 328 | 25107 | vcaballero | |
| 329 | 26364 | vcaballero | if(oldSymbol != null){ |
| 330 | Integer value = symbols.get(oldSymbol);
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| 331 | if (value != null){ |
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| 332 | if (newSymbol == null) { |
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| 333 | // emptying
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| 334 | symbols.remove(oldSymbol); |
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| 335 | matrix[value] = new int[1]; |
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| 336 | } else {
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| 337 | symbols.remove(oldSymbol); |
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| 338 | 25107 | vcaballero | |
| 339 | 26364 | vcaballero | symbols.put(newSymbol, value); |
| 340 | 14202 | jvidal | |
| 341 | 26364 | vcaballero | // update matrix values if need
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| 342 | int newArrayLength = newSymbol instanceof IMultiLayerSymbol ? |
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| 343 | ((IMultiLayerSymbol) newSymbol).getLayerCount() : 1;
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| 344 | 14277 | jdominguez | |
| 345 | 26364 | vcaballero | int[] newRow = new int[newArrayLength]; |
| 346 | if (matrix[value].length == newArrayLength) {
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| 347 | /*
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| 348 | * the new row is exactly the same long than the
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| 349 | * old one. Will use the old values
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| 350 | */
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| 351 | newRow = matrix[value]; |
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| 352 | } else if (matrix[value].length < newArrayLength) { |
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| 353 | /*
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| 354 | * the new row is larger than the old one,
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| 355 | * let's copy all the first values and fill
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| 356 | * the rest with the last copied value
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| 357 | */
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| 358 | int val=0; |
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| 359 | for (int i = 0; i < newRow.length; i++) { |
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| 360 | if (i<matrix[value].length) {
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| 361 | val = matrix[value][i]; |
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| 362 | } |
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| 363 | 14277 | jdominguez | |
| 364 | 26364 | vcaballero | newRow[i] = val; |
| 365 | } |
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| 366 | } else if (matrix[value].length > newArrayLength) { |
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| 367 | /*
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| 368 | * the new row is smaller than the old one,
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| 369 | * let's copy the first values
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| 370 | */
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| 371 | for (int i = 0; i < newRow.length; i++) { |
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| 372 | newRow[i] = matrix[value][i]; |
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| 373 | } |
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| 374 | } |
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| 375 | matrix[value] = newRow; |
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| 376 | 14277 | jdominguez | } |
| 377 | } |
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| 378 | 26364 | vcaballero | } else {
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| 379 | addSymbol(newSymbol); |
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| 380 | 14234 | jdominguez | } |
| 381 | 14202 | jvidal | } |
| 382 | |||
| 383 | 18621 | jdominguez | public boolean symbolChanged(SymbolLegendEvent e) { |
| 384 | 20778 | vcaballero | replaceSymbol(e.getOldSymbol(), e.getNewSymbol()); |
| 385 | 14202 | jvidal | return true; |
| 386 | } |
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| 387 | |||
| 388 | |||
| 389 | public boolean classifiedSymbolChange(SymbolLegendEvent e) { |
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| 390 | 20778 | vcaballero | replaceSymbol(e.getOldSymbol(), e.getNewSymbol()); |
| 391 | 14202 | jvidal | return true; |
| 392 | } |
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| 393 | |||
| 394 | public boolean intervalChange(IntervalLegendEvent e) { |
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| 395 | return false; |
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| 396 | } |
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| 397 | |||
| 398 | public boolean valueChange(ValueLegendEvent e) { |
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| 399 | return false; |
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| 400 | } |
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| 401 | |||
| 402 | // TODO should not exist here
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| 403 | public boolean labelFieldChange(LabelLegendEvent e) { |
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| 404 | return false; |
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| 405 | } |
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| 406 | |||
| 407 | |||
| 408 | 18621 | jdominguez | public void legendCleared(LegendClearEvent event) { |
| 409 | 14202 | jvidal | // this.usingZSort = false;
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| 410 | // symbols.clear();
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| 411 | // matrix = null;
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| 412 | } |
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| 413 | 11741 | jaume | } |