root / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / layers / FLyrText.java @ 7659
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/*
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* Created on 28-dic-2004
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*
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*/
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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) 2004 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.layers; |
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import java.awt.Graphics2D; |
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import java.awt.geom.Point2D; |
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import java.awt.geom.Rectangle2D; |
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import java.awt.image.BufferedImage; |
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import java.util.ArrayList; |
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import org.cresques.cts.ICoordTrans; |
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import com.hardcode.gdbms.engine.instruction.FieldNotFoundException; |
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import com.hardcode.gdbms.engine.values.DoubleValue; |
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import com.hardcode.gdbms.engine.values.NullValue; |
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import com.hardcode.gdbms.engine.values.NumericValue; |
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import com.hardcode.gdbms.engine.values.Value; |
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import com.iver.cit.gvsig.fmap.DriverException; |
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import com.iver.cit.gvsig.fmap.ViewPort; |
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import com.iver.cit.gvsig.fmap.core.FPoint2D; |
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import com.iver.cit.gvsig.fmap.core.FShape; |
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import com.iver.cit.gvsig.fmap.core.IGeometry; |
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import com.iver.cit.gvsig.fmap.core.ISymbol; |
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import com.iver.cit.gvsig.fmap.core.v02.FLabel; |
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import com.iver.cit.gvsig.fmap.core.v02.FSymbol; |
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import com.iver.cit.gvsig.fmap.drivers.DriverAttributes; |
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import com.iver.cit.gvsig.fmap.drivers.DriverIOException; |
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import com.iver.cit.gvsig.fmap.layers.layerOperations.ClassifiableVectorial; |
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import com.iver.cit.gvsig.fmap.rendering.Legend; |
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import com.iver.cit.gvsig.fmap.rendering.VectorialLegend; |
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import com.iver.utiles.swing.threads.Cancellable; |
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/**
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* Capa de texto.
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*
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* @author FJP
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*/
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public class FLyrText extends FLyrDefault implements ClassifiableVectorial { |
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/**
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* <code>m_labels</code> es una arrayList de FLabel (string + punto de
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* inserci?n + rotaci?n + altura de texto
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*/
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private ArrayList m_labels = new ArrayList(); |
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private VectorialLegend legend;
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// private Rectangle2D fullExtent;
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private FLyrVect assocLyrVect = null; |
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/**
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* Crea un nuevo FLyrText.
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*
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* @param arrayLabels
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* DOCUMENT ME!
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* @throws DriverException
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* @throws com.hardcode.gdbms.engine.data.driver.DriverException
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*/
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public FLyrText() {
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} |
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/**
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* Esto tiene el fallo de que obligas a una etiqueta por
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* entidad, para poder evitar esto, una posible soluci?n
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* ser?a que un FLabel pudiera ser una colecci?n de FLabel
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* (Patr?n Composite)
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* @param lyrVect
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* @throws DriverException
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*/
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public void createLabels(FLyrVect lyrVect) throws DriverException { |
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assocLyrVect = lyrVect; |
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SelectableDataSource ds=null;
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ds = lyrVect.getRecordset(); |
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try {
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ReadableVectorial adapter = lyrVect.getSource(); |
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adapter.start(); |
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ds.start(); |
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int sc;
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int fieldId = ds.getFieldIndexByName(legend.getLabelField());
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VectorialLegend l = (VectorialLegend) getLegend(); |
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int idFieldHeightText = -1; |
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int idFieldRotationText = -1; |
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FSymbol defaultSym = (FSymbol) l.getDefaultSymbol(); |
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if (l.getLabelHeightField() != null) { |
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idFieldHeightText = ds.getFieldIndexByName(l |
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.getLabelHeightField()); |
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defaultSym.setFontSizeInPixels(false);
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} |
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if (l.getLabelRotationField() != null) { |
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idFieldRotationText = ds.getFieldIndexByName(l |
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.getLabelRotationField()); |
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} |
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sc = (int) ds.getRowCount();
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m_labels = new ArrayList(sc); |
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DriverAttributes attr = adapter.getDriverAttributes(); |
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boolean bMustClone = false; |
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if (attr != null) { |
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if (attr.isLoadedInMemory()) {
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bMustClone = attr.isLoadedInMemory(); |
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} |
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} |
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ICoordTrans ct = getCoordTrans(); |
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for (int i = 0; i < sc; i++) { |
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IGeometry geom = adapter.getShape(i); |
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if (geom == null) { |
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m_labels.add(null);
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continue;
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} |
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if (ct != null) { |
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if (bMustClone)
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geom = geom.cloneGeometry(); |
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geom.reProject(ct); |
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} |
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// TODO: El m?todo contenedor (createLabelLayer) debe recoger
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// los par?metros de posicionamiento y de allowDuplicates
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// if (i >= 328)
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// System.out.println("i= " + i + " " + val.toString());
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Value val = ds.getFieldValue(i, fieldId); |
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if ((val instanceof NullValue) || (val == null)) { |
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continue;
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} |
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FLabel[] lbls = geom.createLabels(0, true); |
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for (int j = 0; j < lbls.length; j++) { |
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if (lbls[j] != null) { |
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lbls[j].setString(val.toString()); |
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if (idFieldHeightText != -1) { |
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NumericValue height = (NumericValue) ds.getFieldValue(i, |
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idFieldHeightText); |
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lbls[j].setHeight(height.floatValue()); |
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} else {
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// El tama?o del texto va siempre en el simbolo por defecto
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// cuando no hay un campo de altura de texto
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// TODO: Todo esto cambiar? con el nuevo sistema de leyendas...
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if (l.getDefaultSymbol()!=null) |
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lbls[j].setHeight(defaultSym.getFontSize()); |
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} |
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if (idFieldRotationText != -1) { |
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DoubleValue rotation = (DoubleValue) ds.getFieldValue(i, |
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idFieldRotationText); |
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lbls[j].setRotation(rotation.getValue()); |
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} |
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m_labels.add(lbls[j]); |
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} |
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} |
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/* if (lbls[0] == null)
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m_labels.add(null);
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else
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m_labels.add(lbls[0].getOrig()); */
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} |
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ds.stop(); |
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adapter.stop(); |
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} catch (DriverIOException e) {
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e.printStackTrace(); |
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throw new DriverException(e); |
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} catch (com.hardcode.gdbms.engine.data.driver.DriverException e) {
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e.printStackTrace(); |
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throw new DriverException(e); |
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} |
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} |
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/**
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* Dibuja sobre el graphics los textos.
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*
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* @param image
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* @param g
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* Graphics.
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* @param viewPort
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* ViewPort.
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* @param cancel
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*/
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private void drawLabels(BufferedImage image, Graphics2D g, |
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ViewPort viewPort, Cancellable cancel) {
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int numReg;
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Rectangle2D elExtent = viewPort.getAdjustedExtent();
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// int anchoMapa;
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// int altoMapa;
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// double anchoReal;
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// double altoReal;
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// double escala;
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ISymbol theSymbol = null;
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System.out.println("Dibujando etiquetas..."); |
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for (numReg = 0; numReg < m_labels.size(); numReg++) { |
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if (cancel.isCanceled()) {
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break;
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} |
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FLabel theLabel = (FLabel) m_labels.get(numReg); |
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if ((theLabel == null) || (theLabel.getOrig() == null)) |
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continue;
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if (elExtent.contains(theLabel.getOrig())) // TODO: Aqui hay que |
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// ponerle al FLabel un
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// getExtent()
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{
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theSymbol = getLegend().getDefaultSymbol(); |
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FShape shp = new FPoint2D(theLabel.getOrig().getX(), theLabel
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.getOrig().getY()); |
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theLabel.draw(g, viewPort.getAffineTransform(), shp, theSymbol); |
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// FGraphicUtilities.DrawLabel(g, viewPort.getAffineTransform(),
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// shp, theSymbol, theLabel);
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} |
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} |
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} |
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/**
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* @deprecated use drawlabels (compatibility with postgis)
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* @param image
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* @param g
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* @param viewPort
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* @param cancel
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* @throws DriverException
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*/
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private void drawLabels2(BufferedImage image, Graphics2D g, |
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ViewPort viewPort, Cancellable cancel) throws DriverException {
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int numReg;
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Rectangle2D elExtent = viewPort.getAdjustedExtent();
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// int anchoMapa;
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// int altoMapa;
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// double anchoReal;
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// double altoReal;
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// double escala;
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FSymbol theSymbol = null;
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System.out.println("Dibujando etiquetas..."); |
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FLabel theLabel = new FLabel();
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SelectableDataSource ds=null;
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ds = assocLyrVect.getRecordset(); |
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try {
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int fieldId = ds.getFieldIndexByName(legend.getLabelField());
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VectorialLegend l = (VectorialLegend) getLegend(); |
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int idFieldHeightText = -1; |
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int idFieldRotationText = -1; |
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FSymbol defaultSym = (FSymbol) l.getDefaultSymbol(); |
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if (l.getLabelHeightField() != null) { |
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// l.setBWithHeightText(true);
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idFieldHeightText = ds.getFieldIndexByName(l |
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.getLabelHeightField()); |
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defaultSym.setFontSizeInPixels(false);
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} |
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/*
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* }else{ l.setBWithHeightText(false); }
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*/
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// boolean bWithRotationText = false;
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if (l.getLabelRotationField() != null) { |
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// bWithRotationText = true;
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idFieldRotationText = ds.getFieldIndexByName(l |
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.getLabelRotationField()); |
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} |
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for (numReg = 0; numReg < m_labels.size(); numReg++) { |
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if (cancel.isCanceled()) {
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break;
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} |
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Point2D thePoint = (Point2D) m_labels.get(numReg); |
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if (thePoint == null) |
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continue;
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FPoint2D theShape = new FPoint2D(thePoint);
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if (getCoordTrans() != null) |
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theShape.reProject(this.getCoordTrans());
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if (elExtent.contains(theShape.getX(), theShape.getY())) // TODO: Aqui hay que |
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// ponerle al FLabel un
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// getExtent()
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{
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Value val = ds.getFieldValue(numReg, fieldId); |
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if ((val instanceof NullValue) || (val == null)) { |
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continue;
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} |
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theSymbol = defaultSym; |
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theLabel.setString(val.toString()); |
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theLabel.setOrig(thePoint); |
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if (idFieldHeightText != -1) { |
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NumericValue height = (NumericValue) ds |
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.getFieldValue(numReg, idFieldHeightText); |
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theLabel.setHeight(height.floatValue()); |
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} else {
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// El tama?o del texto va siempre en el simbolo por
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// defecto
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// cuando no hay un campo de altura de texto
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// TODO: Todo esto cambiar? con el nuevo sistema de
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// leyendas...
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if (defaultSym != null) |
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theLabel.setHeight(defaultSym.getFontSize()); |
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} |
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if (idFieldRotationText != -1) { |
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DoubleValue rotation = (DoubleValue) ds |
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.getFieldValue(numReg, idFieldRotationText); |
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theLabel.setRotation(rotation.getValue()); |
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} |
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theLabel.draw(g, viewPort.getAffineTransform(), theShape, theSymbol); |
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} |
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} |
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} catch (com.hardcode.gdbms.engine.data.driver.DriverException e) {
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throw new DriverException(e); |
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} |
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} |
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/*
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* (non-Javadoc)
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*
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* @see com.iver.cit.gvsig.fmap.layers.FLayer#getFullExtent()
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*/
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public Rectangle2D getFullExtent() throws DriverException { |
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return assocLyrVect.getFullExtent();
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} |
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/*
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* (non-Javadoc)
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*
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* @see com.iver.cit.gvsig.fmap.layers.FLayer#draw(java.awt.image.BufferedImage,
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* java.awt.Graphics2D, com.iver.cit.gvsig.fmap.ViewPort,
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* com.iver.cit.gvsig.fmap.operations.Cancellable)
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*/
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public void draw(BufferedImage image, Graphics2D g, ViewPort viewPort, |
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Cancellable cancel, double scale) throws DriverException { |
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if (isVisible() && isWithinScale(scale)) {
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drawLabels(image, g, viewPort, cancel); |
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} |
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} |
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/*
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* (non-Javadoc)
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*
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* @see com.iver.cit.gvsig.fmap.layers.FLayer#print(java.awt.Graphics2D,
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* com.iver.cit.gvsig.fmap.ViewPort,
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* com.iver.cit.gvsig.fmap.operations.Cancellable)
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*/
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public void print(Graphics2D g, ViewPort viewPort, Cancellable cancel, |
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double scale) throws DriverException { |
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if (isVisible() && isWithinScale(scale)) {
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drawLabels(null, g, viewPort, cancel);
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} |
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} |
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/*
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* (non-Javadoc)
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*
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* @see com.iver.cit.gvsig.fmap.layers.layerOperations.ClassifiableVectorial#setLegend(com.iver.cit.gvsig.fmap.rendering.VectorialLegend)
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*/
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public void setLegend(VectorialLegend r) throws DriverException, |
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FieldNotFoundException {
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legend = r; |
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} |
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/*
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* (non-Javadoc)
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*
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* @see com.iver.cit.gvsig.fmap.layers.layerOperations.Classifiable#addLegendListener(com.iver.cit.gvsig.fmap.layers.LegendListener)
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*/
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public void addLegendListener(LegendListener listener) { |
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// TODO Auto-generated method stub
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} |
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/*
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* (non-Javadoc)
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*
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* @see com.iver.cit.gvsig.fmap.layers.layerOperations.Classifiable#removeLegendListener(com.iver.cit.gvsig.fmap.layers.LegendListener)
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*/
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public void removeLegendListener(LegendListener listener) { |
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// TODO Auto-generated method stub
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} |
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/*
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* (non-Javadoc)
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*
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* @see com.iver.cit.gvsig.fmap.layers.layerOperations.Classifiable#getLegend()
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*/
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public Legend getLegend() {
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return legend;
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} |
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/*
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* (non-Javadoc)
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*
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* @see com.iver.cit.gvsig.fmap.layers.layerOperations.Classifiable#getShapeType()
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*/
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public int getShapeType() throws DriverException { |
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return FShape.TEXT;
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} |
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/**
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* Devuelve un ArrayList con los textos de la capa.
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*
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* @return Texto de la capa.
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*/
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/* public ArrayList getLabels() {
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return m_labels;
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} */
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/**
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* Inserta los textos de la capa
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*
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* @param m_labels
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* ArrayList con los textos de la capa.
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*/
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/* public void setLabels(ArrayList m_labels) {
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this.m_labels = m_labels;
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} */
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} |