root / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / rendering / ZSort.java @ 22465
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package com.iver.cit.gvsig.fmap.rendering; |
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import java.util.Hashtable; |
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import com.iver.cit.gvsig.fmap.core.symbols.IMultiLayerSymbol; |
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import com.iver.cit.gvsig.fmap.core.symbols.ISymbol; |
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import com.iver.cit.gvsig.fmap.layers.LegendChangedEvent; |
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import com.iver.utiles.IPersistence; |
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import com.iver.utiles.XMLEntity; |
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/**
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* Class ZSort is used in order to store information about the symbols
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* which are placed in the Z axis (because a level of symbols has been
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* used).
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*
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* @author jaume dominguez faus - jaume.dominguez@iver.es
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*/
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public class ZSort implements IPersistence, LegendContentsChangedListener { |
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private static final String COLUMN_SEPARATOR = ","; |
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private static final String ROW_SEPARATOR = ";"; |
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private int[][] matrix; |
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private boolean usingZSort; |
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private Hashtable<ISymbol, Integer> symbols = new Hashtable<ISymbol, Integer>(); |
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public ZSort(ILegend legend) {
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initialize(legend); |
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} |
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private void initialize(ILegend legend) { |
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ISymbol[] symbols;
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if (legend instanceof IClassifiedLegend) { |
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symbols = ((IClassifiedLegend) legend).getSymbols(); |
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} else {
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symbols = new ISymbol[] {legend.getDefaultSymbol()}; |
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} |
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matrix = new int[symbols.length][]; |
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for (int i = 0; i < symbols.length; i++) { |
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this.symbols.put(symbols[i], i);
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int rowLength = symbols[i] instanceof IMultiLayerSymbol ? |
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((IMultiLayerSymbol) symbols[i]).getLayerCount() : |
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1;
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matrix[i] = new int[rowLength]; |
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} |
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legend.addLegendListener(this);
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} |
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public void legendChanged(LegendChangedEvent e) { |
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symbols.clear(); |
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usingZSort = false;
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initialize(e.getNewLegend()); |
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} |
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public String getClassName() { |
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return getClass().getName();
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} |
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public XMLEntity getXMLEntity() {
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XMLEntity xml = new XMLEntity();
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xml.putProperty("className", getClassName());
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/*
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* ADVICE:
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* don't try to persist symbols!!
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* they are already persisted by the legend!!!
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*/
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xml.putProperty("usingZSort", isUsingZSort());
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String strMatrix = ""; |
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for (int i = 0; i < matrix.length; i++) { |
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int[] row = matrix[i]; |
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String strRow = ""; |
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for (int j = 0; j < row.length; j++) { |
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strRow += matrix[i][j] + COLUMN_SEPARATOR; |
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} |
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strMatrix += strRow + ROW_SEPARATOR; |
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} |
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xml.putProperty("matrix", strMatrix);
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return xml;
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} |
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public void setXMLEntity(XMLEntity xml) { |
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setUsingZSort(xml.getBooleanProperty("usingZSort"));
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/*
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* ADVICE:
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* don't try to initialize the symbols!!
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* they must be initialized by the legend!!!
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*/
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String strMatrix = xml.getStringProperty("matrix"); |
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String[] strRows = strMatrix.split(ROW_SEPARATOR); |
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matrix = new int[strRows.length][]; |
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for (int i = 0; i < strRows.length; i++) { |
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String[] strColumns = strRows[i].split(COLUMN_SEPARATOR); |
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matrix[i] = new int[strColumns.length]; |
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for (int j = 0; j < strColumns.length; j++) { |
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matrix[i][j] = Integer.parseInt(strColumns[j]);
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} |
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} |
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} |
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public int getLevelCount() { |
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int count = -1; |
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for (int i = 0; i < matrix.length; i++) { |
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for (int j = 0; j < matrix[i].length; j++) { |
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count = Math.max(count, matrix[i][j]);
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} |
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} |
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return count + 1; |
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} |
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public void setUsingZSort(boolean usingZSort) { |
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this.usingZSort = usingZSort;
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} |
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public void setLevels(ISymbol sym, int[] values) { |
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setLevels(symbols.get(sym), values); |
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} |
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public void setLevels(int row, int[] values) { |
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matrix[row] = values; |
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} |
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public boolean isUsingZSort() { |
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return usingZSort;
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} |
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public ISymbol[] getSymbols() { |
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return symbols.keySet().toArray(new ISymbol[0]); |
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} |
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public String[] getDescriptions() { |
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ISymbol[] symbols = getSymbols();
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String[] descs = new String[symbols.length]; |
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for (int i = 0; i < descs.length; i++) { |
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descs[i] = symbols[i].getDescription(); |
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} |
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return descs;
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} |
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public int getSymbolLevel(ISymbol layer) { |
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ISymbol[] theSymbols = getSymbols();
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for (int i = 0; i < theSymbols.length; i++) { |
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ISymbol mySymbol = theSymbols[i]; |
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if (mySymbol instanceof IMultiLayerSymbol) { |
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IMultiLayerSymbol multiSym = (IMultiLayerSymbol) mySymbol; |
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for (int j = 0; j < multiSym.getLayerCount(); j++) { |
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ISymbol myInnerSymbol = multiSym.getLayer(j); |
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if (myInnerSymbol.equals(layer)) {
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int row = symbols.get(multiSym);
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return matrix[row][j];
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} |
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} |
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} else {
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if (mySymbol.equals(layer)) {
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return matrix[symbols.get(layer)][0]; |
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} |
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} |
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} |
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// return 0;
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return -1; |
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} |
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public int getTopLevelIndexAllowed() { |
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ISymbol[] symbols = getSymbols();
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int count=0; |
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for (int i = 0; i < symbols.length; i++) { |
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if (symbols[i] instanceof IMultiLayerSymbol) { |
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IMultiLayerSymbol mSymbol = (IMultiLayerSymbol) symbols[i]; |
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count = Math.max(count, mSymbol.getLayerCount());
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} else
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count = Math.max(count, 1); |
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} |
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return count;
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} |
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@Override
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public String toString() { |
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String out = "Symbols:\n---------\n\n"; |
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ISymbol[] syms = getSymbols();
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for (int i = 0; i < syms.length; i++) { |
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out += syms.getClass()+":\t"+syms[i].getDescription();
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} |
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out += "\nMatrix:\n--------\n\n";
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out += " \t";
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for (int i = 0; i < getTopLevelIndexAllowed(); i++) { |
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out += "column"+i+"\t\t"; |
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} |
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out += "\n";
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for (int i = 0; i < matrix.length; i++) { |
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out += "row "+i+":\t"; |
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for (int j = 0; j < matrix[i].length; j++) { |
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out += matrix[i][j]+"\t\t";
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} |
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out += "\n";
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} |
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return out;
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} |
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private void replaceSymbol(ISymbol oldSymbol, ISymbol newSymbol) { |
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if (oldSymbol == newSymbol) return; |
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Integer value = symbols.get(oldSymbol);
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if (newSymbol == null) { |
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// emptying
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symbols.remove(oldSymbol); |
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matrix[value] = new int[1]; |
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} else {
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symbols.remove(oldSymbol); |
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symbols.put(newSymbol, value); |
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// update matrix values if need
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int newArrayLength = newSymbol instanceof IMultiLayerSymbol ? |
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((IMultiLayerSymbol) newSymbol).getLayerCount() : 1;
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int[] newRow = new int[newArrayLength]; |
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if (matrix[value].length == newArrayLength) {
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/*
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* the new row is exactly the same long than the
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* old one. Will use the old values
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*/
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newRow = matrix[value]; |
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} else if (matrix[value].length < newArrayLength) { |
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/*
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* the new row is larger than the old one,
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* let's copy all the first values and fill
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* the rest with the last copied value
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*/
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int val=0; |
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for (int i = 0; i < newRow.length; i++) { |
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if (i<matrix[value].length) {
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val = matrix[value][i]; |
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} |
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newRow[i] = val; |
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} |
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} else if (matrix[value].length > newArrayLength) { |
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/*
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* the new row is smaller than the old one,
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* let's copy the first values
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*/
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for (int i = 0; i < newRow.length; i++) { |
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newRow[i] = matrix[value][i]; |
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} |
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} |
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matrix[value] = newRow; |
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} |
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} |
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public boolean symbolChanged(SymbolLegendEvent e) { |
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replaceSymbol(e.getOldSymbol(), e.getNewSymbol()); |
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return true; |
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} |
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public boolean classifiedSymbolChange(SymbolLegendEvent e) { |
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replaceSymbol(e.getOldSymbol(), e.getNewSymbol()); |
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return true; |
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} |
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public boolean intervalChange(IntervalLegendEvent e) { |
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return false; |
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} |
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public boolean valueChange(ValueLegendEvent e) { |
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System.out.println("log ValueLegendEvent:"+e.getOldValue()+"->"+e.getNewValue()); |
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return false; |
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} |
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// TODO should not exist here
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public boolean labelFieldChange(LabelLegendEvent e) { |
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return false; |
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} |
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public void legendCleared(LegendClearEvent event) { |
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// this.usingZSort = false;
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// symbols.clear();
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// matrix = null;
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} |
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} |
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