root / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / layers / FLyrDefault.java @ 1455
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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 com.iver.cit.gvsig.fmap.DriverException; |
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import com.iver.cit.gvsig.fmap.FMap; |
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import com.iver.cit.gvsig.fmap.drivers.DriverIOException; |
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import com.iver.utiles.XMLEntity; |
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import org.cresques.cts.ICoordTrans; |
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import org.cresques.cts.IProjection; |
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import org.cresques.cts.ProjectionPool; |
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import java.beans.PropertyChangeSupport; |
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import java.util.ArrayList; |
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import java.util.Iterator; |
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/**
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* Implementaci?n de las caracter?sticas de alto nivel de las capas:
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* visibilidad, activaci?n, nombre, ...
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*/
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public abstract class FLyrDefault implements FLayer { |
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private PropertyChangeSupport lnkPropertyChangeSupport; |
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/** Path de la capa en el arbol de capas */
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private FLayers parentLayer = null; |
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private FLayers virtualLayers = null; |
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private FLyrText layerText = null; |
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private String name; |
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private IProjection projection;
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private boolean visible = true; |
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private boolean active; |
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private int transparency = 0; |
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private ICoordTrans ct;
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private double minScale = -1; // -1 indica que no se usa |
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private double maxScale = -1; |
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private ArrayList layerListeners = new ArrayList(); |
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/**
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* @see com.iver.cit.gvsig.fmap.layers.FLayer#setActive(boolean)
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*/
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public void setActive(boolean selected) { |
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active = selected; |
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callActivationChanged(LayerEvent.createActivationChangedEvent(this, "active")); |
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.layers.FLayer#isActive()
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*/
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public boolean isActive() { |
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return active;
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.layers.FLayer#setName(java.lang.String)
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*/
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public void setName(String name) { |
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this.name = name;
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callNameChanged(LayerEvent.createNameChangedEvent(this, "name")); |
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.layers.FLayer#getName()
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*/
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public String getName() { |
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return name;
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} |
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/*
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* @see com.iver.cit.gvsig.fmap.layers.FLayer#load()
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*/
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public void load() throws DriverIOException { |
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.layers.FLayer#setVisible(boolean)
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*/
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public void setVisible(boolean visibility) { |
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visible = visibility; |
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callVisibilityChanged(LayerEvent.createVisibilityChangedEvent(this, "visible")); |
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.layers.FLayer#isVisible()
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*/
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public boolean isVisible() { |
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return visible;
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} |
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/**
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* Devuelve la capa padre de la actual.
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*
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* @return FLayers padre.
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*/
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public FLayers getParentLayer() {
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return parentLayer;
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} |
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/**
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* Inserta la capa padre.
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*
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* @param root capa padre.
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*/
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public void setParentLayer(FLayers root) { |
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this.parentLayer = root;
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} |
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/**
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* Inserta una proyecci?n.
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*
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* @param proj Proyecci?n.
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*/
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public void setProjection(IProjection proj) { |
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projection = proj; |
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} |
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/**
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* @see org.cresques.geo.Projected#getProjection()
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*/
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public IProjection getProjection() {
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return projection;
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} |
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/**
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* @see org.cresques.geo.Projected#reProject(org.cresques.cts.ICoordTrans)
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*/
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public void reProject(ICoordTrans arg0) { |
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} |
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/**
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* Devuelve el nivel de transparencia de la capa.
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*
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* @return Entero que representa el nivel de transparencia.
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*/
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public int getTransparency() { |
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return transparency;
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} |
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/**
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* Inserta el nivel de transparencia de la capa.
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*
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* @param trans Nivel de transparencia.
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*/
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public void setTransparency(int trans) { |
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transparency = trans; |
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} |
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/**
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* Devuelve el XMLEntity a partir del objeto.
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*
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* @return XMLEntity.
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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",this.getClass().getName()); |
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if (this instanceof FLayers) { |
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} |
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xml.putProperty("active", active);
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xml.putProperty("name", name);
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xml.putProperty("minScale",minScale);
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xml.putProperty("maxScale",maxScale);
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//TODO xml.addChild(parentLayer.getXMLEntity());
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xml.putProperty("visible", visible);
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if (projection != null) { |
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xml.putProperty("proj", projection.getAbrev());
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} |
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xml.putProperty("transparency", transparency);
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return xml;
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} |
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/**
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* Inserta los valores de los atributos del XMLEntity al objeto.
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*
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* @param xml XMLEntity.
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*
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* @throws XMLException
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* @throws DriverException
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* @throws DriverIOException
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*/
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public void setXMLEntity(XMLEntity xml) |
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throws XMLException {
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active = xml.getBooleanProperty("active");
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name = xml.getStringProperty("name");
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minScale=xml.getDoubleProperty("minScale");
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maxScale=xml.getDoubleProperty("maxScale");
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visible = xml.getBooleanProperty("visible");
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if (xml.contains("proj")) { |
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setProjection(ProjectionPool.get(xml.getStringProperty("proj")));
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} |
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if (xml.contains("transparency")) |
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transparency = xml.getIntProperty("transparency");
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.layers.FLayer#getFMap()
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*/
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public FMap getFMap() {
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if (getParentLayer() != null) { |
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return getParentLayer().getFMap();
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} else {
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return null; |
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} |
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} |
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/**
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* A?ade a la lista de listener un nuevo LayerListener.
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*
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* @param o LayerListener.
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*
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* @return boolean.
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*/
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public boolean addLayerListener(LayerListener o) { |
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return layerListeners.add(o);
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} |
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/**
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* Borra de la lista de listeners el que se pasa como par?metro.
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*
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* @param o LayerListener a borrar.
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*
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* @return True si ha sido correcto el borrado del Listener.
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*/
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public boolean removeLayerListener(LayerListener o) { |
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return layerListeners.remove(o);
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} |
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/**
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* Llamada al metodo nameChanged de los Listeners dados de alta.
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*
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* @param e LayerEvent.
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*/
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private void callNameChanged(LayerEvent e) { |
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for (Iterator iter = layerListeners.iterator(); iter.hasNext();) { |
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LayerListener listener = (LayerListener) iter.next(); |
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listener.nameChanged(e); |
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} |
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} |
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/**
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* Llamada al m?todo visibilityChanged de los Listeners.
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*
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* @param e LayerEvent.
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*/
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private void callVisibilityChanged(LayerEvent e) { |
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for (Iterator iter = layerListeners.iterator(); iter.hasNext();) { |
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LayerListener listener = (LayerListener) iter.next(); |
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listener.visibilityChanged(e); |
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} |
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} |
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/**
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* Llamada al m?todo activationChanged de los Listener.
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*
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* @param e LayerEvent.
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*/
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private void callActivationChanged(LayerEvent e) { |
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for (Iterator iter = layerListeners.iterator(); iter.hasNext();) { |
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LayerListener listener = (LayerListener) iter.next(); |
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listener.activationChanged(e); |
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} |
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} |
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/**
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* Devuelve las capas virtuales.
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*
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* @return FLayers.
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*/
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public FLayers getVirtualLayers() {
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return virtualLayers;
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} |
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/**
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* Inserta las capas virtuales.
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*
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* @param virtualLayers FLayers.
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*/
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public void setVirtualLayers(FLayers virtualLayers) { |
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this.virtualLayers = virtualLayers;
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} |
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/**
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* Devuelve la capa de texto.
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*
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* @return capa de texto.
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*/
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public FLyrText getLayerText() {
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return layerText;
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} |
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/**
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* Inserta la capa de texto.
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*
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* @param layerText Capa de texto.
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*/
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public void setLayerText(FLyrText layerText) { |
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this.layerText = layerText;
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} |
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/**
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* Inserta las coordenadas de transformaci?n.
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*
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* @param ct Cooredenadas de transformaci?n.
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*/
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public void setCoordTrans(ICoordTrans ct) { |
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this.ct = ct;
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} |
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/**
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* Devuelve las coordenadas de transformaci?n.
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*
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* @return Coordenadas de transformaci?n.
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*/
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public ICoordTrans getCoordTrans() {
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return ct;
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} |
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public double getMinScale() { |
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return minScale;
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.layers.FLayer#getMaxScale()
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*/
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public double getMaxScale() { |
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return maxScale;
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} |
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public void setMinScale(double minScale) |
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{ |
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this.minScale = minScale;
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} |
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public void setMaxScale(double maxScale) |
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{ |
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this.maxScale = maxScale;
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} |
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public boolean isWithinScale() |
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{ |
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double scale = getFMap().getScaleView();
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boolean bVisible = true; |
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if (getMinScale() != -1) |
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{ |
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if (scale < getMinScale())
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bVisible = false;
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} |
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if (getMaxScale() != -1) |
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{ |
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if (scale > getMaxScale())
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bVisible = false;
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} |
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return bVisible;
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} |
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} |