root / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / MapContext.java @ 20098
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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; |
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import java.awt.Color; |
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import java.awt.Graphics; |
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import java.awt.Graphics2D; |
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import java.awt.RenderingHints; |
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import java.awt.Toolkit; |
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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 java.util.List; |
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import java.util.prefs.Preferences; |
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import javax.print.attribute.PrintRequestAttributeSet; |
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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.geo.Projected; |
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import com.hardcode.gdbms.driver.exceptions.ReadDriverException; |
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import com.hardcode.gdbms.engine.data.driver.DriverException; |
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import com.iver.cit.gvsig.exceptions.visitors.VisitorException; |
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import com.iver.cit.gvsig.fmap.core.IGeometry; |
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import com.iver.cit.gvsig.fmap.layers.CancelationException; |
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import com.iver.cit.gvsig.fmap.layers.FLayer; |
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import com.iver.cit.gvsig.fmap.layers.FLayers; |
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import com.iver.cit.gvsig.fmap.layers.GraphicLayer; |
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import com.iver.cit.gvsig.fmap.layers.LayerCollectionEvent; |
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import com.iver.cit.gvsig.fmap.layers.LayerCollectionListener; |
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import com.iver.cit.gvsig.fmap.layers.LayerDrawEvent; |
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import com.iver.cit.gvsig.fmap.layers.LayerDrawingListener; |
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import com.iver.cit.gvsig.fmap.layers.LayerPositionEvent; |
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import com.iver.cit.gvsig.fmap.layers.VectorialAdapter; |
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import com.iver.cit.gvsig.fmap.layers.XMLException; |
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import com.iver.cit.gvsig.fmap.layers.layerOperations.AlphanumericData; |
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import com.iver.cit.gvsig.fmap.layers.layerOperations.Classifiable; |
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import com.iver.cit.gvsig.fmap.layers.layerOperations.Selectable; |
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import com.iver.cit.gvsig.fmap.operations.selection.Record; |
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import com.iver.cit.gvsig.fmap.operations.strategies.FeatureVisitor; |
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import com.iver.cit.gvsig.fmap.operations.strategies.SelectedZoomVisitor; |
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import com.iver.cit.gvsig.fmap.rendering.LegendListener; |
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import com.iver.utiles.XMLEntity; |
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import com.iver.utiles.swing.threads.Cancellable; |
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/**
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* <p>The <code>MapContext</code> class represents the model and a part of the control and view around graphical layers
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* used by {@link MapControl MapControl}.</p>
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*
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* <p>An instance of <code>MapContext</code> is made up with:
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* <ul>
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* <li>a hierarchy of {@link FLayers FLayers} nodes
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* <li>a {@link GraphicLayer GraphicLayer} layer
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* <li>a {@link ViewPort ViewPort}
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* <li>an {@link EventBuffer EventButter}
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* <li>some {@link com.iver.cit.gvsig.fmap.layers.LegendListener LegendListener}s
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* <li>some {@link LayerDrawingListener LayerDrawingListener}s
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* <li>some {@link LayerEventListener LayerEventListener}s
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* <li>some {@link ErrorListener ErrorListener}s
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* </ul>
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* </p>
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*
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* @author Fernando Gonz?lez Cort?s
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*/
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public class MapContext implements Projected { |
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/**
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* <p>Defines the value which a unit of a distance measurement must be divided to obtain its equivalent <b>in meters</b>.</p>
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*
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* <p><b><i>Conversion values of distance measurements:</i></b>
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* <ul>
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* <li><code>MapContext.CHANGEM[0]</code>: kilometer
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* <li><code>MapContext.CHANGEM[1]</code>: meter
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* <li><code>MapContext.CHANGEM[2]</code>: centimeter
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* <li><code>MapContext.CHANGEM[3]</code>: millimeter
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* <li><code>MapContext.CHANGEM[4]</code>: international statute mile
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* <li><code>MapContext.CHANGEM[5]</code>: yard
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* <li><code>MapContext.CHANGEM[6]</code>: foot
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* <li><code>MapContext.CHANGEM[7]</code>: inch
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* <li><code>MapContext.CHANGEM[8]</code>: grade
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* </ul>
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*
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* <p><h3>Examples:</h3>
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* <pre>1 international statute mile / MapContext.CHANGEM[4] = X meters</pre>
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* <pre>1 kilometer / MapContext.CHANGEM[0] = X meters</pre>
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* <pre>1 grade / MapContext.CHANGEM[8] = X meters</pre>
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* </p>
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*
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* <p><h3>Grade conversion value: <code>MapContext.CHANGEM[8]</code></h3>
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* The value of <code>MapContext.CHANGEM[8]</code> represents the meters of a straight line between two
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* points on the Earth surface that are 1 grade far each other of the center of the Earth. This value has been calculated using
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* a radius approximated of R<sub>Earth</sub>=6.37846082678100774672e6 meters, according these equations:
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* <pre>D = 2 * (sin (1)) * R<sub>Earth</sub></pre>
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* <pre>MapContext.CHANGEM[8] = 1 / D</pre>
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* <h4>Explanation:</h4>
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* We get an isosceles triangle with the center of the Earth and the 2 points on the surface. This triangle can be divided into
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* two rectangle triangles. We know two values, the angle of 1 grade, that will be 0.50 grades in each triangle, and the Earth radius that
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* is the hypotenuse. Then we apply trigonometry and get the distance <i>D</i> between both points on the Earth surface.</p>
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* <p>Now we only must invert that value to obtain <code>MapContext.CHANGEM[8]</code>.</p>
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*/
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public static final double[] CHANGEM = { 1000, 1, 0.01, 0.001, 1609.344, |
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0.9144, 0.3048, 0.0254, 1/8.983152841195214E-6 }; |
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/**
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* <p>Defines the value which a unit of a distance measurement must be divided to obtain its equivalent <b>in centimeters</b>.</p>
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*
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* <p><b><i>Conversion values of distance measurements:</i></b>
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* <ul>
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* <li><code>MapContext.CHANGE[0]</code>: kilometer
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* <li><code>MapContext.CHANGE[1]</code>: meter
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* <li><code>MapContext.CHANGE[2]</code>: centimeter
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* <li><code>MapContext.CHANGE[3]</code>: millimeter
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* <li><code>MapContext.CHANGE[4]</code>: international statute mile
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* <li><code>MapContext.CHANGE[5]</code>: yard
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* <li><code>MapContext.CHANGE[6]</code>: foot
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* <li><code>MapContext.CHANGE[7]</code>: inch
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* <li><code>MapContext.CHANGE[8]</code>: grade
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* </ul>
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*
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* <p><h3>Examples:</h3>
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* <pre>1 international statute mile / MapContext.CHANGE[4] = X centimeters</pre>
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* <pre>1 kilometer / MapContext.CHANGE[0] = X centimeters</pre>
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* <pre>1 grade / MapContext.CHANGE[8] = X centimeters</pre>
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* </p>
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*
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* <p><h3>Grade conversion value: <code>MapContext.CHANGE[8]</code></h3>
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* The value of <code>MapContext.CHANGE[8]</code> represents the centimeters of a straight line between two
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* points on the Earth surface that are 1 grade far each other of the center of the Earth. This value has been calculated using
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* a radius approximated of R<sub>Earth</sub>=6.37846082678100774672e6 meters, according these equations:
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* <pre>D = 2 * (sin (1)) * R<sub>Earth</sub></pre>
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* <pre>MapContext.CHANGE[8] = 1 / D</pre>
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* <h4>Explanation:</h4>
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* We get an isosceles triangle with the center of the Earth and the 2 points on the surface. This triangle can be divided into
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* two rectangle triangles. We know two values, the angle of 1 grade, that will be 0.50 grades in each triangle, and the Earth radius that
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* is the hypotenuse. Then we apply trigonometry and get the distance <i>D</i> between both points on the Earth surface.</p>
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* <p>Now we only must invert that value to obtain <code>MapContext.CHANGE[8]</code>.</p>
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*/
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public static final double[] CHANGE = { 100000, 100, 1, 0.1, 160934.4, |
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91.44, 30.48, 2.54, 1/8.983152841195214E-4 }; |
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/* Do not alter the order and the values of this array, if you need append values.*/
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/**
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* <p>Gets the name of all distance measurements supported by <code>MapContext</code>.</p>
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*/
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public static final String[] NAMES= { |
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Messages.getString("Kilometros"),
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Messages.getString("Metros"),
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Messages.getString("Centimetros"),
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Messages.getString("Milimetros"),
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Messages.getString("Millas"),
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Messages.getString("Yardas"),
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Messages.getString("Pies"),
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Messages.getString("Pulgadas"),
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Messages.getString("Grados"),
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}; |
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public static final int EQUALS = 0; |
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public static final int DISJOINT = 1; |
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public static final int INTERSECTS = 2; |
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public static final int TOUCHES = 3; |
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public static final int CROSSES = 4; |
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public static final int WITHIN = 5; |
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public static final int CONTAINS = 6; |
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public static final int OVERLAPS = 7; |
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/**
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* A hierarchy of {@link FLayers FLayers} nodes.
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*
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* @see #getLayers()
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* @see #print(Graphics2D, double, PrintRequestAttributeSet)
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*/
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protected FLayers layers;
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/**
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* A layer with graphical items: geometries and symbols.
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*
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* @see #getGraphicsLayer()
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* @see #setGraphicsLayer(GraphicLayer)
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* @see #drawGraphics(BufferedImage, Graphics2D, Cancellable, double)
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* @see #print(Graphics2D, double, PrintRequestAttributeSet)
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*/
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private GraphicLayer tracLayer = new GraphicLayer(); |
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/**
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* Information for draw layers in a view.
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*
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* @see #getViewPort()
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* @see #setViewPort(ViewPort)
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*/
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private ViewPort viewPort;
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// private ArrayList invalidationListeners = new ArrayList();
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/**
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* Array list with all {@link LegendListener LegendListener} registered to this map.
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*
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* @see #addLayerListener(LegendListener)
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* @see #removeLayerListener(LegendListener)
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* @see #callLegendChanged()
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*/
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private ArrayList legendListeners = new ArrayList(); |
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/**
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* Array list with all {@link LayerDrawingListener LayerDrawingListener} registered to this map.
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*
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* @see #addLayerDrawingListener(LayerDrawingListener)
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* @see #removeLayerDrawListener(LayerDrawingListener)
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* @see #fireLayerDrawingEvent(LayerDrawEvent)
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*/
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private ArrayList layerDrawingListeners = new ArrayList(); |
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/**
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* <p>Buffer that is used to store and eject events produced on this map:
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* <ul>
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* <li>Layer collection events.
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* <li>View port events.
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* <li>Atomic events.
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* <li>Layer events.
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* <li>Legend events on a {@link Classificable Classificable} layer.
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* <li>Selection events on an {@link AlphanumericData AlphanumericData} data layer.
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* </ul>
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* </p>
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*
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* @see #addAtomicEventListener(AtomicEventListener)
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* @see #removeAtomicEventListener(AtomicEventListener)
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* @see #beginAtomicEvent()
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* @see #endAtomicEvent()
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*/
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private EventBuffer eventBuffer = new EventBuffer(); |
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/**
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* Event listener for the collection of layers of this map.
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*/
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private LayerEventListener layerEventListener = null; |
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/**
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* List with information of all errors produced on all layers.
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*
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* @see #addLayerError(String)
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* @see #getLayersError()
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* @see #clearErrors()
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*/
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private ArrayList layersError = new ArrayList(); |
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/**
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* Array list with all {@link ErrorListener ErrorListener} registered to this map.
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*
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* @see #addErrorListener(ErrorListener)
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* @see #removeErrorListener(LegendListener)
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* @see #callNewErrorEvent(ErrorEvent)
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* @see #reportDriverExceptions(String, List)
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*/
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private ArrayList errorListeners = new ArrayList(); |
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// public static ResourceBundle myResourceBundle =
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// ResourceBundle.getBundle("FMap");
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/**
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* <p>Default <i>zoom in</i> factor.</p>
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* <p>Doing a <i>zoom in</i> operation, decreases the focal distance and increases the eyesight angle to the surface. This allows view an smaller
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* area but with the items bigger.</p>
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*/
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public static double ZOOMINFACTOR=2; |
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/**
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* <p>Default <i>zoom out</i> factor.</p>
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* <p>Doing a <i>zoom out</i> operation, increases the focal distance and decreases the eyesight angle to the surface. This allows view a bigger
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* area but with the items smaller.</p>
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*/
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public static double ZOOMOUTFACTOR=0.5; |
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/**
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* <p>Color used to represent the selections.</p>
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*/
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private static Color selectionColor = Color.YELLOW; |
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/**
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* <p>Gets the color used to represent the selections.</p>
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*
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* @return color used to represent the selections
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*/
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public static Color getSelectionColor() { |
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return selectionColor;
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} |
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/**
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* <p>Sets the color used to represent the selections.</p>
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*
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* @param selectionColor color used to represent the selections
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*/
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public static void setSelectionColor(Color selectionColor) { |
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MapContext.selectionColor = selectionColor; |
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} |
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/**
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* <p>Creates a new map context with the drawing information defined in the view port argument, and
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* without layers.</p>
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*
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* @param vp information for drawing the layers of this map in the available rectangular area according a projection
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*/
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public MapContext(ViewPort vp) {
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this.layers = new FLayers();//(this,null); |
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this.layers.setMapContext(this); |
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layerEventListener = new LayerEventListener();
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layers.addLayerCollectionListener(layerEventListener); |
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layers.addLayerCollectionListener(eventBuffer); |
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setViewPort(vp); |
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} |
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/**
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* <p>Creates a new map context with the layers and the drawing information defined in the view port arguments.</p>
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*
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* @param fLayers the initial hierarchy of nodes of layers that this map will have
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* @param vp information for drawing the layers of this map in the available rectangular area according a projection
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*/
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public MapContext(FLayers fLayers, ViewPort vp) {
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this.layers = fLayers;
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layerEventListener = new LayerEventListener();
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layers.addLayerCollectionListener(layerEventListener); |
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layers.addLayerCollectionListener(eventBuffer); |
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setViewPort(vp); |
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} |
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/**
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* <p>Reports to all driver error listeners registered of a bundle of driver exceptions caused in the same map atomic transaction.</p>
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*
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* @param introductoryText introductory text specified by developer. If <code>null</code>, use ""
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* @param driverExceptions list with a bundle of driver exceptions caught during an atomic event
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*
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* @see #addErrorListener(ErrorListener)
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* @see #removeErrorListener(LegendListener)
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* @see #callNewErrorEvent(ErrorEvent)
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*/
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public synchronized void reportDriverExceptions(String introductoryText, |
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List driverExceptions){
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for (int i = 0; i < errorListeners.size(); i++) { |
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((ErrorListener) errorListeners.get(i)).
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reportDriverExceptions(introductoryText, driverExceptions); |
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} |
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} |
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/**
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* <p>Adds the specified legend listener (if didn't exist) to receive legend events from this map.</p>
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*
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* @param listener the legend listener
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*
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* @see #removeLayerListener(LegendListener)
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* @see #callLegendChanged()
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*/
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public void addLayerListener(LegendListener listener) { |
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if (!legendListeners.contains(listener))
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legendListeners.add(listener); |
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} |
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// SUGERENCIA DE PABLO
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// public void addLegendListener(LegendListener listener) {
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// if (!legendListeners.contains(listener))
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// legendListeners.add(listener);
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// }
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/**
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* <p>Adds the specified layer drawing listener to catch and handle drawing events from layers of this map.</p>
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*
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* @param listener the listener to add
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*
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* @see #removeLayerDrawListener(LayerDrawingListener)
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* @see #fireLayerDrawingEvent(LayerDrawEvent)
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*/
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public void addLayerDrawingListener(LayerDrawingListener listener) { |
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layerDrawingListeners.add(listener); |
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} |
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|
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/**
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* <p>Removes the specified layer drawing listener from this map.</p>
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*
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* @param listener the listener to remove
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*
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* @see #addLayerDrawingListener(LayerDrawingListener)
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* @see #fireLayerDrawingEvent(LayerDrawEvent)
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*/
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public void removeLayerDrawListener(LayerDrawingListener listener) { |
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layerDrawingListeners.remove(listener); |
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} |
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|
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/**
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* <p>Adds the specified error listener to receive error events from this map.</p>
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*
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* @param listener the listener to add
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*
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* @see #removeErrorListener(LegendListener)
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* @see #callNewErrorEvent(ErrorEvent)
|
445 |
* @see #reportDriverExceptions(String, List)
|
446 |
*/
|
447 |
public void addErrorListener(ErrorListener listener) { |
448 |
errorListeners.add(listener); |
449 |
} |
450 |
|
451 |
/**
|
452 |
* <p>Removes the specified error listener from this map.</p>
|
453 |
*
|
454 |
* @param listener the listener to remove
|
455 |
*
|
456 |
* @see #addErrorListener(ErrorListener)
|
457 |
* @see #callNewErrorEvent(ErrorEvent)
|
458 |
* @see #reportDriverExceptions(String, List)
|
459 |
*/
|
460 |
public void removeErrorListener(LegendListener listener) { |
461 |
legendListeners.remove(listener); |
462 |
} |
463 |
|
464 |
// SUGERENCIA DE PABLO:
|
465 |
//public void removeErrorListener(ErrorListener listener) {
|
466 |
// errorListeners.remove(listener);
|
467 |
//}
|
468 |
|
469 |
/**
|
470 |
* <p>Notifies to all legend listeners registered, that one legend has changed.</p>
|
471 |
* <p>This method must be called only if it's wanted to reflect a legend change.</p>
|
472 |
*
|
473 |
* @see #addLayerListener(LegendListener)
|
474 |
* @see #removeLayerListener(LegendListener)
|
475 |
*/
|
476 |
public synchronized void callLegendChanged() { |
477 |
for (int i = 0; i < legendListeners.size(); i++) { |
478 |
((LegendListener) legendListeners.get(i)).legendChanged(null);
|
479 |
} |
480 |
// getLayers().moveTo(0,0);
|
481 |
} |
482 |
|
483 |
/**
|
484 |
* <p>Fires a layer drawing event to all {@link LayerDrawingListener LayerDrawingListener} listeners registered,
|
485 |
* distinguishing the kind of event.</p>
|
486 |
*
|
487 |
* @param e the event
|
488 |
*
|
489 |
* @see #addLayerDrawingListener(LayerDrawingListener)
|
490 |
* @see #removeLayerDrawListener(LayerDrawingListener)
|
491 |
*/
|
492 |
public synchronized void fireLayerDrawingEvent(LayerDrawEvent e) { |
493 |
for (int i = 0; i < layerDrawingListeners.size(); i++) |
494 |
{ |
495 |
LayerDrawingListener listener = (LayerDrawingListener) layerDrawingListeners.get(i); |
496 |
switch (e.getEventType())
|
497 |
{ |
498 |
case LayerDrawEvent.LAYER_BEFORE_DRAW:
|
499 |
listener.beforeLayerDraw(e); |
500 |
break;
|
501 |
case LayerDrawEvent.LAYER_AFTER_DRAW:
|
502 |
listener.afterLayerDraw(e); |
503 |
break;
|
504 |
case LayerDrawEvent.GRAPHICLAYER_BEFORE_DRAW:
|
505 |
listener.beforeGraphicLayerDraw(e); |
506 |
break;
|
507 |
case LayerDrawEvent.GRAPHICLAYER_AFTER_DRAW:
|
508 |
listener.afterLayerGraphicDraw(e); |
509 |
break;
|
510 |
} |
511 |
} |
512 |
// getLayers().moveTo(0,0);
|
513 |
} |
514 |
|
515 |
/**
|
516 |
* <p>Notifies to all error listeners registered, that one error has been produced.</p>
|
517 |
*
|
518 |
* @param e the event with information of the error
|
519 |
*
|
520 |
* @see #addErrorListener(ErrorListener)
|
521 |
* @see #removeErrorListener(LegendListener)
|
522 |
* @see #reportDriverExceptions(String, List)
|
523 |
*/
|
524 |
public synchronized void callNewErrorEvent(ErrorEvent e) { |
525 |
for (int i = 0; i < errorListeners.size(); i++) { |
526 |
((ErrorListener) errorListeners.get(i)).errorThrown(e);
|
527 |
} |
528 |
errorListeners.clear(); |
529 |
// getLayers().moveTo(0,0);
|
530 |
} |
531 |
|
532 |
/**
|
533 |
* <p>Removes the specified layer listener from this map.</p>
|
534 |
*
|
535 |
* @param listener the listener to remove
|
536 |
*
|
537 |
* @see #addLayerListener(LegendListener)
|
538 |
* @see #callLegendChanged()
|
539 |
*/
|
540 |
public void removeLayerListener(LegendListener listener) { |
541 |
legendListeners.remove(listener); |
542 |
} |
543 |
|
544 |
// SUGERENCIA DE PABLO:
|
545 |
// public void removeLegendListener(LegendListener listener) {
|
546 |
// legendListeners.remove(listener);
|
547 |
// }
|
548 |
|
549 |
/**
|
550 |
* <p>Returns the hierarchy of {@link FLayers FLayers} nodes stored in this map.</p>
|
551 |
*
|
552 |
* @return the hierarchy of nodes of layers stored in this map
|
553 |
*/
|
554 |
public FLayers getLayers() {
|
555 |
return layers;
|
556 |
} |
557 |
|
558 |
/**
|
559 |
* <p>Draws the visible layers of this map according its view port, on the image parameter.</p>
|
560 |
*
|
561 |
* @param b image with an accessible buffer of image data
|
562 |
*/
|
563 |
public void drawLabels(BufferedImage b) { |
564 |
} |
565 |
|
566 |
/**
|
567 |
* @see #redraw()
|
568 |
*/
|
569 |
public void invalidate() { |
570 |
if (getLayers().getLayersCount() > 0) |
571 |
getLayers().moveTo(0, 0); |
572 |
} |
573 |
|
574 |
/**
|
575 |
* <p>Prints the layers of this map using the {@link Graphics2D Graphics2D} argument, that usually is
|
576 |
* the {@link Graphics Graphics} of the printer.</p>
|
577 |
*
|
578 |
* @param g for rendering 2-dimensional shapes, text and images on the Java(tm) platform
|
579 |
* @param scale the scale of the view. Must be between {@linkplain FLayer#getMinScale()} and {@linkplain FLayer#getMaxScale()}.
|
580 |
* @param properties a set with the settings to be applied to a whole print job and to all the documents in the print job
|
581 |
*
|
582 |
* @throws ReadDriverException if fails reading with driver.
|
583 |
*
|
584 |
* @see FLayers#print(Graphics2D, ViewPort, Cancellable, double, PrintRequestAttributeSet)
|
585 |
* @see GraphicLayer#draw(BufferedImage, Graphics2D, ViewPort, Cancellable, double)
|
586 |
*/
|
587 |
public void print(Graphics2D g, double scale, PrintRequestAttributeSet properties) throws ReadDriverException { |
588 |
RenderingHints renderHints = new RenderingHints( |
589 |
RenderingHints.KEY_ANTIALIASING,
|
590 |
RenderingHints.VALUE_ANTIALIAS_ON);
|
591 |
renderHints.put(RenderingHints.KEY_RENDERING,
|
592 |
RenderingHints.VALUE_RENDER_QUALITY);
|
593 |
g.setRenderingHints(renderHints); |
594 |
|
595 |
Cancellable cancel = new Cancellable() {
|
596 |
public boolean isCanceled() { |
597 |
return false; |
598 |
} |
599 |
|
600 |
public void setCanceled(boolean canceled) { |
601 |
// No queremos que se pueda cancelar la impresi?n.
|
602 |
|
603 |
} |
604 |
}; |
605 |
layers.print(g, viewPort, cancel, scale, properties); |
606 |
tracLayer.draw(null, g, viewPort, cancel, scale);
|
607 |
} |
608 |
|
609 |
/**
|
610 |
* <p>Returns a new <code>MapContext</code> instance with the information of the <code>vp</code> argument, and the layers of this map.</p>
|
611 |
*
|
612 |
* @param vp information for drawing the layers of this map in the available rectangular area according a projection
|
613 |
*
|
614 |
* @return a new <code>MapContext</code> instance projected by <code>vp</code>
|
615 |
*/
|
616 |
public MapContext createNewFMap(ViewPort vp) {
|
617 |
MapContext ret = new MapContext(vp);
|
618 |
ret.layers = this.layers;
|
619 |
|
620 |
return ret;
|
621 |
} |
622 |
|
623 |
/**
|
624 |
* <p>Creates a new independent <code>MapContext</code> instance, that has a clone of the layers and the view port of this one.</p>
|
625 |
* <p>The new map will have the same data source drivers to avoid waste memory, and work faster.</p>
|
626 |
*
|
627 |
* @return the new <code>MapContext</code> instance
|
628 |
*
|
629 |
* @throws XMLException if fails cloning the view port or a layer
|
630 |
*
|
631 |
* @see FLayer#cloneLayer()
|
632 |
* @see ViewPort#cloneViewPort()
|
633 |
*/
|
634 |
public MapContext cloneFMap() throws XMLException { |
635 |
ViewPort vp = getViewPort().cloneViewPort(); |
636 |
FLayers antLayers = getLayers(); |
637 |
MapContext ret = new MapContext(vp);
|
638 |
FLayers aux = new FLayers();//(ret,null); |
639 |
aux.setMapContext(ret); |
640 |
for (int i=0; i < antLayers.getLayersCount(); i++) |
641 |
{ |
642 |
FLayer lyr = antLayers.getLayer(i); |
643 |
try {
|
644 |
aux.addLayer(lyr.cloneLayer()); |
645 |
} catch (Exception e) { |
646 |
|
647 |
// TODO Auto-generated catch block
|
648 |
e.printStackTrace(); |
649 |
throw new XMLException(e); |
650 |
} |
651 |
} |
652 |
ret.layers = aux; |
653 |
return ret;
|
654 |
|
655 |
// return createFromXML(getXMLEntity());
|
656 |
|
657 |
} |
658 |
|
659 |
/**
|
660 |
* Like {@linkplain #cloneFMap()}, but now doesn't clone the layers, rather copies them.
|
661 |
*
|
662 |
* @return the new map
|
663 |
*/
|
664 |
public MapContext cloneToDraw() {
|
665 |
ViewPort vp = getViewPort().cloneViewPort(); |
666 |
MapContext mapContext=new MapContext(getLayers(),vp);
|
667 |
return mapContext;
|
668 |
} |
669 |
|
670 |
/**
|
671 |
* A?ade la capa que se pasa como par?metro al nodo que se pasa como
|
672 |
* parametro y lanza ProjectionMismatchException si no est?n todas las capas
|
673 |
* de este FMap en la misma proyecci?n. Lanza un ChildNotAllowedException si
|
674 |
* la capa no es un FLayers y no permite hijos
|
675 |
*
|
676 |
* @param vectorial
|
677 |
* DOCUMENT ME!
|
678 |
*/
|
679 |
|
680 |
/*
|
681 |
* public void addLayer(LayerPath parent, FLayer layer) throws
|
682 |
* ProjectionMismatchException, ChildrenNotAllowedException {
|
683 |
* layers.addLayer(parent, layer); } public void removeLayer(LayerPath
|
684 |
* parent)throws ChildrenNotAllowedException{ layers.removeLayer(parent); }
|
685 |
*/
|
686 |
|
687 |
/**
|
688 |
* <p>Adds a layer to the group of layers that are at a upper level in the tree.</p>
|
689 |
*
|
690 |
* @param vectorial the layer to add
|
691 |
*/
|
692 |
public void addToTrackLayer(FLayer vectorial) { |
693 |
} |
694 |
|
695 |
/**
|
696 |
* <p>Returns the scale of the view in the screen.</p>
|
697 |
*
|
698 |
* @return one of this values:
|
699 |
* <ul>
|
700 |
* <li>the scale of the adjusted extent scale of the view in the screen
|
701 |
* <li><code>-1</code> if there is no image
|
702 |
* <li><code>0</code> if there is no extent defined for the image
|
703 |
* </ul>
|
704 |
*
|
705 |
* @see #setScaleView(long)
|
706 |
* @see ViewPort#getAdjustedExtent()
|
707 |
* @see IProjection#getScale(double, double, double, double)
|
708 |
*/
|
709 |
public long getScaleView() { |
710 |
double dpi = getScreenDPI();
|
711 |
IProjection proj = viewPort.getProjection(); |
712 |
|
713 |
if (viewPort.getImageSize() == null) |
714 |
return -1; |
715 |
|
716 |
if (viewPort.getAdjustedExtent() == null) { |
717 |
return 0; |
718 |
} |
719 |
|
720 |
if (proj == null) { |
721 |
double w = ((viewPort.getImageSize().getWidth() / dpi) * 2.54); |
722 |
return (long) (viewPort.getAdjustedExtent().getWidth() / w * CHANGEM[getViewPort() |
723 |
.getMapUnits()]); |
724 |
} |
725 |
|
726 |
return Math.round(proj.getScale((viewPort.getAdjustedExtent().getMinX()*CHANGEM[getViewPort().getMapUnits()]), |
727 |
(viewPort.getAdjustedExtent().getMaxX()*CHANGEM[getViewPort().getMapUnits()]), viewPort.getImageSize() |
728 |
.getWidth(), dpi)); |
729 |
|
730 |
} |
731 |
|
732 |
/**
|
733 |
* <p>Sets the new extent of the view, calculated using the scale argument.</p>
|
734 |
* <p>Doesn't updates the scale if there isn't information about the dimension of the image or the
|
735 |
* adjusted extent.</p>
|
736 |
*
|
737 |
* @param scale the new scale for the view
|
738 |
*
|
739 |
* @see ViewPort#setProjection(IProjection)
|
740 |
* @see #getScaleView()
|
741 |
*/
|
742 |
public void setScaleView(long scale) { |
743 |
clearAllCachingImageDrawnLayers(); |
744 |
double dpi = getScreenDPI();
|
745 |
if (viewPort.getImageSize() == null) |
746 |
return;
|
747 |
IProjection proj = viewPort.getProjection(); |
748 |
if (viewPort.getAdjustedExtent() == null) { |
749 |
return;
|
750 |
} |
751 |
Rectangle2D rec=proj.getExtent(viewPort.getAdjustedExtent(),scale,viewPort.getImageWidth(),viewPort.getImageHeight(),CHANGE[getViewPort().getMapUnits()],CHANGEM[getViewPort().getDistanceUnits()],dpi);
|
752 |
getViewPort().setExtent(rec); |
753 |
} |
754 |
|
755 |
/**
|
756 |
* <p>Returns the screen resolution (Dots Per Inch) as it was defined by the user's preference, or
|
757 |
* by default as it is defined in the default Toolkit.</p>
|
758 |
*
|
759 |
* @return double with the screen's dpi
|
760 |
*/
|
761 |
public static double getScreenDPI() { |
762 |
Preferences prefsResolution = Preferences.userRoot().node( "gvsig.configuration.screen" ); |
763 |
Toolkit kit = Toolkit.getDefaultToolkit(); |
764 |
double dpi = prefsResolution.getInt("dpi",kit.getScreenResolution()); |
765 |
return dpi;
|
766 |
} |
767 |
|
768 |
/**
|
769 |
* @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#setVectorial(com.iver.cit.gvsig.fmap.VectorialAdapter)
|
770 |
*/
|
771 |
public void setVectorial(VectorialAdapter v) { |
772 |
} |
773 |
|
774 |
/**
|
775 |
* @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#process(com.iver.cit.gvsig.fmap.FeatureSelectorVisitor)
|
776 |
*/
|
777 |
public void process(FeatureVisitor visitor) { |
778 |
} |
779 |
|
780 |
/**
|
781 |
* @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#processSelected(com.iver.cit.gvsig.fmap.FeatureVisitor)
|
782 |
*/
|
783 |
public void processSelected(FeatureVisitor visitor) { |
784 |
} |
785 |
|
786 |
/**
|
787 |
* @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#select(com.iver.cit.gvsig.fmap.FeatureSelectorVisitor,
|
788 |
* VectorialSubSet)
|
789 |
*/
|
790 |
public void select(FeatureVisitor visitor) { |
791 |
} |
792 |
|
793 |
/**
|
794 |
* @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#selectFromSelection()
|
795 |
*/
|
796 |
public void selectFromSelection() { |
797 |
} |
798 |
|
799 |
/**
|
800 |
* @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#createIndex()
|
801 |
*/
|
802 |
public void createIndex() { |
803 |
} |
804 |
|
805 |
/**
|
806 |
* @see org.cresques.geo.Projected#getProjection()
|
807 |
*
|
808 |
* @see ViewPort#getProjection()
|
809 |
* @see #setProjection(IProjection)
|
810 |
* @see #reProject(ICoordTrans)
|
811 |
*/
|
812 |
public IProjection getProjection() {
|
813 |
return getViewPort().getProjection();
|
814 |
} |
815 |
|
816 |
/**
|
817 |
* <p>Sets the new projection.</p>
|
818 |
*
|
819 |
* @param proj the new projection
|
820 |
*
|
821 |
* @see #getProjection()
|
822 |
* @see ViewPort#setProjection(IProjection)
|
823 |
* @see #reProject(ICoordTrans)
|
824 |
*/
|
825 |
public void setProjection(IProjection proj) { |
826 |
if (getViewPort() != null) { |
827 |
getViewPort().setProjection(proj); |
828 |
} |
829 |
} |
830 |
|
831 |
/**
|
832 |
* @see org.cresques.geo.Projected#reProject(org.cresques.cts.ICoordTrans)
|
833 |
*/
|
834 |
public void reProject(ICoordTrans arg0) { |
835 |
// TODO implementar reprojecci?n (lo que sea eso)
|
836 |
} |
837 |
|
838 |
/**
|
839 |
* @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#selectByPoint(java.awt.geom.Point2D,
|
840 |
* double)
|
841 |
*/
|
842 |
/*
|
843 |
* public void selectByPoint(Point2D p, double tolerance) throws
|
844 |
* DriverException { Point2D mapPoint = viewPort.toMapPoint((int) p.getX(),
|
845 |
* (int) p.getY()); SelectByPointVisitor visitor = new
|
846 |
* SelectByPointVisitor(); visitor.setQueriedPoint(mapPoint);
|
847 |
* visitor.setTolerance(getViewPort().toMapDistance(3));
|
848 |
*
|
849 |
* try { layers.process(visitor); } catch (VisitException e) { throw new
|
850 |
* RuntimeException("No se espera que SelectByPointVisitor lance esta
|
851 |
* excepci?n", e); } }
|
852 |
*/
|
853 |
|
854 |
/**
|
855 |
* @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#selectByRect(java.awt.geom.Rectangle2D)
|
856 |
*/
|
857 |
/*
|
858 |
* public void selectByRect(Rectangle2D rect) throws DriverException {
|
859 |
* FLayer[] actives = layers.getActives(); for (int i=0; i < actives.length;
|
860 |
* i++) { if (actives[i] instanceof FLyrVect) { FLyrVect lyrVect =
|
861 |
* (FLyrVect) actives[i]; FBitSet oldBitSet = lyrVect.getSelection();
|
862 |
* FBitSet newBitSet = lyrVect.queryByRect(rect); newBitSet.xor(oldBitSet);
|
863 |
* lyrVect.setSelection(newBitSet); } }
|
864 |
* }
|
865 |
*/
|
866 |
|
867 |
/**
|
868 |
* @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#selectByShape(com.iver.cit.gvsig.fmap.fshape.IGeometry,
|
869 |
* int)
|
870 |
*/
|
871 |
public void selectByShape(IGeometry g, int relationship) { |
872 |
} |
873 |
|
874 |
/**
|
875 |
* @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#queryByPoint(Point2D,
|
876 |
* double)
|
877 |
*/
|
878 |
public Record[] queryByPoint(Point2D p, double tolerance) { |
879 |
return null; |
880 |
} |
881 |
|
882 |
/**
|
883 |
* @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#queryByRect(java.awt.geom.Rectangle2D)
|
884 |
*/
|
885 |
public Record[] queryByRect(Rectangle2D rect) { |
886 |
return null; |
887 |
} |
888 |
|
889 |
/**
|
890 |
* @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#queryByShape(com.iver.cit.gvsig.fmap.fshape.IGeometry,
|
891 |
* int)
|
892 |
*/
|
893 |
public Record[] queryByShape(IGeometry g, int relationship) { |
894 |
return null; |
895 |
} |
896 |
|
897 |
/**
|
898 |
* @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#getSelectionBounds()
|
899 |
*
|
900 |
* @see SelectedZoomVisitor#getSelectBound()
|
901 |
*/
|
902 |
public Rectangle2D getSelectionBounds() { |
903 |
SelectedZoomVisitor visitor = new SelectedZoomVisitor();
|
904 |
|
905 |
try {
|
906 |
layers.process(visitor); |
907 |
} catch (ReadDriverException e1) {
|
908 |
throw new RuntimeException( |
909 |
"No se espera que SelectByPointVisitor lance esta excepci?n",
|
910 |
e1); |
911 |
} catch (VisitorException e) {
|
912 |
throw new RuntimeException( |
913 |
"No se espera que SelectByPointVisitor lance esta excepci?n",
|
914 |
e); |
915 |
} |
916 |
|
917 |
return visitor.getSelectBound();
|
918 |
} |
919 |
|
920 |
/**
|
921 |
* <p>Draws this map if its {@link ViewPort ViewPort} has an extent defined:<br>
|
922 |
* <ol>
|
923 |
* <li>Selects only the layers that have to be drawn: {@linkplain #prepareDrawing(BufferedImage, Graphics2D, double)}.
|
924 |
* <li>Sets quality: antialiasing by text and images, and quality rendering.
|
925 |
* <li>Draws the layers.
|
926 |
* <li>Fires a <code>LayerDrawEvent.GRAPHICLAYER_BEFORE_DRAW</code>.
|
927 |
* <li>Draws the graphic layer.
|
928 |
* <li>Fires a <code>LayerDrawEvent.GRAPHICLAYER_AFTER_DRAW</code>.
|
929 |
* <li>Invokes the garbage collector and memory clean.
|
930 |
* </ol></p>
|
931 |
*
|
932 |
* @param image buffer used sometimes instead <code>g</code> to accelerate the draw. For example, if two points are as closed that can't be distinguished, draws only one.
|
933 |
* @param g for rendering 2-dimensional shapes, text and images on the Java(tm) platform
|
934 |
* @param cancel shared object that determines if this layer can continue being drawn
|
935 |
* @param scale the scale of the view. Must be between {@linkplain FLayer#getMinScale()} and {@linkplain FLayer#getMaxScale()}.
|
936 |
* @throws ReadDriverException if fails reading with the driver.
|
937 |
*/
|
938 |
public void draw(BufferedImage image, Graphics2D g, Cancellable cancel, |
939 |
double scale) throws ReadDriverException { |
940 |
if (viewPort.getExtent() == null) { |
941 |
// System.err.println("viewPort.getExtent() = null");
|
942 |
return;
|
943 |
} |
944 |
System.out.println("Viewport despues: " + viewPort.toString()); |
945 |
/*
|
946 |
* if ((viewPort.getImageWidth() <=0) || (viewPort.getImageHeight() <=
|
947 |
* 0)) { return; }
|
948 |
*/
|
949 |
|
950 |
prepareDrawing(image, g, scale); |
951 |
|
952 |
// M?s c?lidad al texto
|
953 |
RenderingHints renderHints = new RenderingHints( |
954 |
RenderingHints.KEY_ANTIALIASING,
|
955 |
RenderingHints.VALUE_ANTIALIAS_ON);
|
956 |
renderHints.put(RenderingHints.KEY_RENDERING,
|
957 |
RenderingHints.VALUE_RENDER_QUALITY);
|
958 |
renderHints.put(RenderingHints.KEY_TEXT_ANTIALIASING,
|
959 |
RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
|
960 |
g.setRenderingHints(renderHints); |
961 |
|
962 |
long t1 = System.currentTimeMillis(); |
963 |
layers.draw(image, g, viewPort, cancel, scale); |
964 |
|
965 |
LayerDrawEvent beforeTracLayerEvent = new LayerDrawEvent(tracLayer,
|
966 |
g, viewPort, LayerDrawEvent.GRAPHICLAYER_BEFORE_DRAW); |
967 |
fireLayerDrawingEvent(beforeTracLayerEvent); |
968 |
tracLayer.draw(image, g, viewPort, cancel, scale); |
969 |
LayerDrawEvent afterTracLayerEvent = new LayerDrawEvent(tracLayer,
|
970 |
g, viewPort, LayerDrawEvent.GRAPHICLAYER_AFTER_DRAW); |
971 |
fireLayerDrawingEvent(afterTracLayerEvent); |
972 |
|
973 |
//layers.setDirty(false);
|
974 |
long t2 = System.currentTimeMillis(); |
975 |
System.err.println("Tiempo de dibujado:" + (t2 - t1) + |
976 |
" mseg. Memoria libre:" + Runtime.getRuntime().freeMemory() / 1024 + " KB"); |
977 |
/*
|
978 |
* g.setColor(Color.BLUE); GeneralPath shpR = new
|
979 |
* GeneralPath(viewPort.getExtent());
|
980 |
* shpR.transform(viewPort.getAffineTransform()); g.draw(shpR);
|
981 |
*/
|
982 |
System.gc();
|
983 |
} |
984 |
|
985 |
/**
|
986 |
* <p>Checks out layers that need to be repainted.</p>
|
987 |
* <p>If one layer node uses a cache with previous image drawn, but hasn't any, or if it's dirty, then,
|
988 |
* that layer must be repainted. </p>
|
989 |
* <p>If one layer node needn't to be repainted, checks out it recursively.</p>
|
990 |
* <p><i>The cache of "previous image drawn" allows accelerate the repaint process.</i></p>
|
991 |
*
|
992 |
* @see #draw(BufferedImage, Graphics2D, Cancellable, double)
|
993 |
* @see #recursivePrepareDrawing(FLayers, int)
|
994 |
*/
|
995 |
private void prepareDrawing(BufferedImage image, Graphics2D g, double scale) { |
996 |
|
997 |
// Primera pasada: si alguna capa necesita repintarse por debajo
|
998 |
// de la que tiene la cache, TODAS necesitan
|
999 |
// ser repintadas.
|
1000 |
boolean bNeedRepaint = false; |
1001 |
boolean bMayExistAceleration = false; |
1002 |
for (int i = 0; i < layers.getLayersCount(); i++) |
1003 |
{ |
1004 |
FLayer lyr = layers.getLayer(i); |
1005 |
if (lyr.isCachingDrawnLayers() && (lyr.getCacheImageDrawnLayers() != null)) |
1006 |
{ |
1007 |
bMayExistAceleration = true;
|
1008 |
} |
1009 |
else
|
1010 |
{ |
1011 |
if (lyr.isDirty())
|
1012 |
bNeedRepaint = true;
|
1013 |
} |
1014 |
} |
1015 |
if (bMayExistAceleration==false) |
1016 |
bNeedRepaint = true;
|
1017 |
if (bNeedRepaint)
|
1018 |
layers.setDirty(true);
|
1019 |
else
|
1020 |
recursivePrepareDrawing(layers); |
1021 |
} |
1022 |
|
1023 |
/**
|
1024 |
* <p>Invoked by {@linkplain MapContext#recursivePrepareDrawing(FLayers, int)}. Sets all previous layer nodes
|
1025 |
* in the argument as not dirty, what means that don't need to be repainted.</p>
|
1026 |
* <p>Each layer node can decide validate or not it's sub-layers according its implementation.</p>
|
1027 |
* <p>This is useful when it's editing, for accelerate the draw, because the layers of a {@link FLayers FLayers} node
|
1028 |
* are painted according its index in the collection, and each one upper the previous.</p>
|
1029 |
*
|
1030 |
* @param layers a node with layers
|
1031 |
* @param index index of the current layer in the internal list of layers
|
1032 |
*
|
1033 |
* @see #recursivePrepareDrawing(FLayers, int)
|
1034 |
* @see #prepareDrawing(BufferedImage, Graphics2D, double)
|
1035 |
*/
|
1036 |
private void validatePreviousLayers(FLayers layers, int index) |
1037 |
{ |
1038 |
// TODO: Aqu? quiz?s habr?a que explorar los padres de las capas
|
1039 |
// para marcar y/o asignar la imagen cacheada.
|
1040 |
for (int i = 0; i < index; i++) |
1041 |
{ |
1042 |
FLayer lyr = layers.getLayer(i); |
1043 |
lyr.setDirty(false);
|
1044 |
} |
1045 |
// Las de arriba las marcamos como sucias
|
1046 |
// for (int i = index; i < layers.getLayersCount(); i++)
|
1047 |
// {
|
1048 |
// FLayer lyr = layers.getLayer(i);
|
1049 |
// lyr.setDirty(true);
|
1050 |
// }
|
1051 |
} |
1052 |
|
1053 |
/**
|
1054 |
* <p>Checks out recursively, layers that have a cache with an image of previous layers drawn, and if are dirty
|
1055 |
* notify the previous layers that are valid.</p>
|
1056 |
*
|
1057 |
* @param parent node that contains the layers
|
1058 |
* @param indexInParent the least layer index in the <code>parent</code> argument. This allows reduce the time processing
|
1059 |
* if is known that the first layers aren't a collection and will (or won't) be validated
|
1060 |
*
|
1061 |
* @see #prepareDrawing(BufferedImage, Graphics2D, double)
|
1062 |
*/
|
1063 |
private void recursivePrepareDrawing(FLayers parent) |
1064 |
{ |
1065 |
for (int i = 0; i < parent.getLayersCount(); i++) |
1066 |
{ |
1067 |
FLayer lyr = parent.getLayer(i); |
1068 |
if (lyr.isCachingDrawnLayers() && (lyr.getCacheImageDrawnLayers() != null)) |
1069 |
{ |
1070 |
// les decimos a las anteriores que est?n validadas (not dirty)
|
1071 |
// para que no se dibujen.
|
1072 |
if (lyr.isDirty())
|
1073 |
validatePreviousLayers(parent, i); |
1074 |
} |
1075 |
|
1076 |
if (lyr instanceof FLayers) |
1077 |
{ |
1078 |
recursivePrepareDrawing((FLayers)lyr); |
1079 |
} |
1080 |
} |
1081 |
|
1082 |
} |
1083 |
|
1084 |
/**
|
1085 |
* <p>Draws only the internal graphic layer using the information of the {@link ViewPort ViewPort} of this map.</p>
|
1086 |
*
|
1087 |
* @param image image used to accelerate the screen draw
|
1088 |
* @param g for rendering 2-dimensional shapes, text and images on the Java(tm) platform
|
1089 |
* @param cancel shared object that determines if this layer can continue being drawn
|
1090 |
* @param scale value that represents the scale
|
1091 |
* @throws ReadDriverException if fails reading with the driver.
|
1092 |
*
|
1093 |
* @see GraphicLayer#draw(BufferedImage, Graphics2D, ViewPort, Cancellable, double)
|
1094 |
*/
|
1095 |
public void drawGraphics(BufferedImage image, Graphics2D g, |
1096 |
Cancellable cancel, double scale) throws ReadDriverException { |
1097 |
if (viewPort == null) |
1098 |
return;
|
1099 |
tracLayer.draw(image, g, viewPort, cancel, scale); |
1100 |
} |
1101 |
|
1102 |
/**
|
1103 |
* <p>Like {@linkplain MapContext#draw(BufferedImage, Graphics2D, Cancellable, double)}, but creating
|
1104 |
* the task as cancellable.</p>
|
1105 |
*
|
1106 |
* @param image buffer used sometimes instead <code>g</code> to accelerate the draw. For example, if two points are as closed that can't be distinguished, draws only one.
|
1107 |
* @param g for rendering 2-dimensional shapes, text and images on the Java(tm) platform
|
1108 |
* @param scale the scale of the view. Must be between {@linkplain FLayer#getMinScale()} and {@linkplain FLayer#getMaxScale()}.
|
1109 |
*
|
1110 |
* @throws ReadDriverException if the driver fails reading.
|
1111 |
*
|
1112 |
* @see #draw(BufferedImage, Graphics2D, Cancellable, double)
|
1113 |
*/
|
1114 |
public void draw(BufferedImage image, Graphics2D g, double scale) |
1115 |
throws ReadDriverException {
|
1116 |
layers.setDirty(true);
|
1117 |
draw(image, g, new Cancellable() {
|
1118 |
/**
|
1119 |
* @see com.iver.utiles.swing.threads.Cancellable#isCanceled()
|
1120 |
*/
|
1121 |
public boolean isCanceled() { |
1122 |
return false; |
1123 |
} |
1124 |
|
1125 |
public void setCanceled(boolean canceled) { |
1126 |
// TODO Auto-generated method stub
|
1127 |
|
1128 |
} |
1129 |
}, scale); |
1130 |
} |
1131 |
|
1132 |
/**
|
1133 |
* <p>Gets the {@link ViewPort ViewPort} associated to this map.</p>
|
1134 |
*
|
1135 |
* @return the view port
|
1136 |
*
|
1137 |
* @see #setViewPort(ViewPort)
|
1138 |
*/
|
1139 |
public ViewPort getViewPort() {
|
1140 |
return viewPort;
|
1141 |
} |
1142 |
|
1143 |
/**
|
1144 |
* <p>Sets a {@link ViewPort ViewPort} with the drawing information
|
1145 |
* of this map.</p>
|
1146 |
* <p>If there was a previous view port, removes its {@link EventBuffer EventBuffer} and
|
1147 |
* adds the new one.</p>
|
1148 |
*
|
1149 |
* @param viewPort the viewPort
|
1150 |
*
|
1151 |
* @see #getViewPort()
|
1152 |
*/
|
1153 |
public void setViewPort(ViewPort viewPort) { |
1154 |
if (this.viewPort != null) { |
1155 |
this.viewPort.removeViewPortListener(eventBuffer);
|
1156 |
} |
1157 |
|
1158 |
this.viewPort = viewPort;
|
1159 |
if (viewPort != null) |
1160 |
viewPort.addViewPortListener(eventBuffer); |
1161 |
} |
1162 |
|
1163 |
/**
|
1164 |
* <p>Sets the given extent to the {@link ViewPort ViewPort} and updates the view with the new zoom.</p>
|
1165 |
*
|
1166 |
* @param extent the extent of the new zoom
|
1167 |
*/
|
1168 |
public void zoomToExtent(Rectangle2D extent) { |
1169 |
if (extent!=null) |
1170 |
getViewPort().setExtent(extent); |
1171 |
} |
1172 |
|
1173 |
/**
|
1174 |
* <p>Returns the union of all extents of all layers of this map.</p>
|
1175 |
*
|
1176 |
* @return full extent of layers of this map
|
1177 |
* @throws ReadDriverException if the driver fails reading.
|
1178 |
*
|
1179 |
* @see FLayers#getFullExtent()
|
1180 |
*/
|
1181 |
public Rectangle2D getFullExtent() throws ReadDriverException { |
1182 |
return layers.getFullExtent();
|
1183 |
} |
1184 |
|
1185 |
/**
|
1186 |
* <p>Returns an XML entity with the name of this class as a property, and two children branches:<br>
|
1187 |
* <ul>
|
1188 |
* <li>XML entity of the internal {@link ViewPort ViewPort}.
|
1189 |
* <li>XML entity of the internal {@link FLayers FLayers}.
|
1190 |
* </ul>
|
1191 |
*
|
1192 |
* @return XMLEntity the XML entity
|
1193 |
* @throws XMLException if there is any error creating the XML from the map.
|
1194 |
*
|
1195 |
* @see #createFromXML(XMLEntity)
|
1196 |
* @see #createFromXML03(XMLEntity)
|
1197 |
* @see ViewPort#getXMLEntity()
|
1198 |
* @see FLayers#getXMLEntity()
|
1199 |
*/
|
1200 |
public XMLEntity getXMLEntity() throws XMLException { |
1201 |
XMLEntity xml = new XMLEntity();
|
1202 |
xml.putProperty("className", this.getClass().getName()); |
1203 |
xml.addChild(viewPort.getXMLEntity()); |
1204 |
xml.addChild(layers.getXMLEntity()); |
1205 |
|
1206 |
return xml;
|
1207 |
} |
1208 |
|
1209 |
/**
|
1210 |
* <p>Creates a new <code>MapContext</code> instance from an XML entity, with
|
1211 |
* the data of the {@link ViewPort ViewPort} and
|
1212 |
* {@link FLayers FLayers}.</p>
|
1213 |
*
|
1214 |
* @param xml an XML entity
|
1215 |
*
|
1216 |
* @return the new <code>MapContext</code> instance
|
1217 |
*
|
1218 |
* @throws XMLException if there is any error creating the map from the XML.
|
1219 |
*
|
1220 |
* @see #getXMLEntity()
|
1221 |
* @see #createFromXML(XMLEntity)
|
1222 |
* @see ViewPort#createFromXML03(XMLEntity)
|
1223 |
* @see FLayers#setXMLEntity03(XMLEntity)
|
1224 |
*/
|
1225 |
public static MapContext createFromXML03(XMLEntity xml) throws XMLException { |
1226 |
ViewPort vp = ViewPort.createFromXML03(xml.getChild(0));
|
1227 |
MapContext fmap = new MapContext(vp);
|
1228 |
fmap.layers.setXMLEntity03(xml.getChild(1));
|
1229 |
|
1230 |
return fmap;
|
1231 |
} |
1232 |
|
1233 |
/**
|
1234 |
* <p>Creates a new <code>MapContext</code> instance from an XML entity, with
|
1235 |
* with the data of the {@link ViewPort ViewPort} and
|
1236 |
* {@link FLayers FLayers}.</p>
|
1237 |
*
|
1238 |
* @param xml an XML entity
|
1239 |
*
|
1240 |
* @return the new <code>MapContext</code> instance
|
1241 |
*
|
1242 |
* @throws XMLException if there is any error creating the map from the XML.
|
1243 |
*
|
1244 |
* @see #getXMLEntity()
|
1245 |
* @see #createFromXML03(XMLEntity)
|
1246 |
* @see ViewPort#createFromXML(XMLEntity)
|
1247 |
* @see FLayers#setXMLEntity(XMLEntity)
|
1248 |
*/
|
1249 |
public static MapContext createFromXML(XMLEntity xml) throws XMLException { |
1250 |
ViewPort vp = ViewPort.createFromXML(xml.getChild(0));
|
1251 |
MapContext fmap = new MapContext(vp);
|
1252 |
fmap.layers.setXMLEntity(xml.getChild(1));
|
1253 |
fmap.layers.setName("root layer");
|
1254 |
return fmap;
|
1255 |
} |
1256 |
|
1257 |
/**
|
1258 |
* <p>Adds a listener of atomic events to the internal {@link EventBuffer EventBuffer}.</p>
|
1259 |
*
|
1260 |
* @param listener the new listener
|
1261 |
*
|
1262 |
* @return <code>true</code> if has added the listener successfully
|
1263 |
*
|
1264 |
* @see #removeAtomicEventListener(AtomicEventListener)
|
1265 |
* @see EventBuffer#addAtomicEventListener(AtomicEventListener)
|
1266 |
*/
|
1267 |
public boolean addAtomicEventListener(AtomicEventListener listener) { |
1268 |
return eventBuffer.addAtomicEventListener(listener);
|
1269 |
} |
1270 |
|
1271 |
/**
|
1272 |
* <p>Removes a listener of atomic events from the internal {@link EventBuffer EventBuffer}.</p>
|
1273 |
*
|
1274 |
* @param listener the listener to remove
|
1275 |
*
|
1276 |
* @return <tt>true</tt> if the list contained the specified element
|
1277 |
*
|
1278 |
* @see #addAtomicEventListener(AtomicEventListener)
|
1279 |
* @see EventBuffer#removeAtomicEventListener(AtomicEventListener)
|
1280 |
*/
|
1281 |
public boolean removeAtomicEventListener(AtomicEventListener listener) { |
1282 |
return eventBuffer.removeAtomicEventListener(listener);
|
1283 |
} |
1284 |
|
1285 |
/**
|
1286 |
* @see EventBuffer#beginAtomicEvent()
|
1287 |
*
|
1288 |
* @see #endAtomicEvent()
|
1289 |
*/
|
1290 |
public void beginAtomicEvent() { |
1291 |
eventBuffer.beginAtomicEvent(); |
1292 |
} |
1293 |
|
1294 |
/**
|
1295 |
* @see EventBuffer#endAtomicEvent()
|
1296 |
*
|
1297 |
* @see #beginAtomicEvent()
|
1298 |
*/
|
1299 |
public void endAtomicEvent() { |
1300 |
eventBuffer.endAtomicEvent(); |
1301 |
} |
1302 |
|
1303 |
/**
|
1304 |
* <p>The class <code>LayerEventListener</code> implements the methods of {@link LayerCollectionListener LayerCollectionListener}
|
1305 |
* that handles the "layer added" or "layer removed" events in a map.</p>
|
1306 |
* <p>Is designed as a listener for all layers in a {@link MapContext MapContext}.</p>
|
1307 |
*
|
1308 |
* @author Fernando Gonz?lez Cort?s
|
1309 |
*/
|
1310 |
public class LayerEventListener implements LayerCollectionListener { |
1311 |
/*
|
1312 |
* @see com.iver.cit.gvsig.fmap.layers.LayerCollectionListener#layerAdded(com.iver.cit.gvsig.fmap.layers.LayerCollectionEvent)
|
1313 |
*/
|
1314 |
public void layerAdded(LayerCollectionEvent e) { |
1315 |
// Si es la primera capa, fijamos su extent al ViewPort
|
1316 |
// if (getLayers().getLayersCount() == 1) {
|
1317 |
if (getViewPort().getExtent() == null) { |
1318 |
FLayer lyr = e.getAffectedLayer(); |
1319 |
if (lyr.isAvailable()) {
|
1320 |
try {
|
1321 |
getViewPort().setExtent(lyr.getFullExtent()); |
1322 |
} catch (ReadDriverException e1) {
|
1323 |
e1.printStackTrace(); |
1324 |
} |
1325 |
} |
1326 |
} |
1327 |
|
1328 |
// Registramos al FMap como listener del legend de las capas
|
1329 |
FLayer lyr = e.getAffectedLayer(); |
1330 |
selectionListener(lyr); |
1331 |
} |
1332 |
|
1333 |
/**
|
1334 |
* <p>Registers an event buffer as a listener for all layers as argument.</p>
|
1335 |
*
|
1336 |
* <p>Each {@link FLayer FLayer} of this map must have an event buffer for all kind
|
1337 |
* of specific listeners of that layer. This method distinguish between {@link Classifiable Classifiable},
|
1338 |
* {@link AlphanumericData AlphanumericData}, and {@link FLayers FLayers} layers, and for each one,
|
1339 |
* registers, for their specific listeners, the <code>eventBuffer</code> as a listener.</p>
|
1340 |
*
|
1341 |
* @param the layer or layers
|
1342 |
*/
|
1343 |
private void selectionListener(FLayer lyr){ |
1344 |
lyr.addLayerListener(eventBuffer); |
1345 |
|
1346 |
if (lyr instanceof Classifiable) { |
1347 |
Classifiable c = (Classifiable) lyr; |
1348 |
c.addLegendListener(eventBuffer); |
1349 |
} |
1350 |
|
1351 |
if (lyr instanceof AlphanumericData) { |
1352 |
Selectable s=null;
|
1353 |
try {
|
1354 |
s = ((AlphanumericData) lyr).getRecordset(); |
1355 |
if (s!=null) { |
1356 |
s.addSelectionListener(eventBuffer); |
1357 |
} |
1358 |
} catch (ReadDriverException e1) {
|
1359 |
e1.printStackTrace(); |
1360 |
} |
1361 |
|
1362 |
} |
1363 |
if (lyr instanceof FLayers){ |
1364 |
FLayers lyrs=(FLayers)lyr; |
1365 |
for(int i=0;i<lyrs.getLayersCount();i++){ |
1366 |
selectionListener(lyrs.getLayer(i)); |
1367 |
} |
1368 |
} |
1369 |
|
1370 |
} |
1371 |
/*
|
1372 |
* @see com.iver.cit.gvsig.fmap.layers.LayerCollectionListener#layerMoved(com.iver.cit.gvsig.fmap.layers.LayerPositionEvent)
|
1373 |
*/
|
1374 |
public void layerMoved(LayerPositionEvent e) { |
1375 |
} |
1376 |
|
1377 |
/*
|
1378 |
* @see com.iver.cit.gvsig.fmap.layers.LayerCollectionListener#layerRemoved(com.iver.cit.gvsig.fmap.layers.LayerCollectionEvent)
|
1379 |
*/
|
1380 |
public void layerRemoved(LayerCollectionEvent e) { |
1381 |
FLayer lyr = e.getAffectedLayer(); |
1382 |
|
1383 |
lyr.removeLayerListener(eventBuffer); |
1384 |
|
1385 |
if (lyr instanceof Classifiable) { |
1386 |
Classifiable c = (Classifiable) lyr; |
1387 |
c.removeLegendListener(eventBuffer); |
1388 |
} |
1389 |
|
1390 |
if (lyr instanceof Selectable) { |
1391 |
Selectable s = (Selectable) lyr; |
1392 |
s.addSelectionListener(eventBuffer); |
1393 |
} |
1394 |
} |
1395 |
|
1396 |
/*
|
1397 |
* @see com.iver.cit.gvsig.fmap.layers.LayerCollectionListener#layerAdding(com.iver.cit.gvsig.fmap.layers.LayerCollectionEvent)
|
1398 |
*/
|
1399 |
public void layerAdding(LayerCollectionEvent e) |
1400 |
throws CancelationException {
|
1401 |
} |
1402 |
|
1403 |
/*
|
1404 |
* @see com.iver.cit.gvsig.fmap.layers.LayerCollectionListener#layerMoving(com.iver.cit.gvsig.fmap.layers.LayerPositionEvent)
|
1405 |
*/
|
1406 |
public void layerMoving(LayerPositionEvent e) |
1407 |
throws CancelationException {
|
1408 |
} |
1409 |
|
1410 |
/*
|
1411 |
* @see com.iver.cit.gvsig.fmap.layers.LayerCollectionListener#layerRemoving(com.iver.cit.gvsig.fmap.layers.LayerCollectionEvent)
|
1412 |
*/
|
1413 |
public void layerRemoving(LayerCollectionEvent e) |
1414 |
throws CancelationException {
|
1415 |
} |
1416 |
|
1417 |
|
1418 |
/*
|
1419 |
* @see com.iver.cit.gvsig.fmap.layers.LayerCollectionListener#visibilityChanged(com.iver.cit.gvsig.fmap.layers.LayerCollectionEvent)
|
1420 |
*/
|
1421 |
public void visibilityChanged(LayerCollectionEvent e) |
1422 |
throws CancelationException {
|
1423 |
} |
1424 |
} |
1425 |
|
1426 |
/**
|
1427 |
* <p>Adds the {@link LayerEventListener LayerEventListener} of this map to the
|
1428 |
* collection of layers argument.</p>
|
1429 |
*
|
1430 |
* @param a collection of layers
|
1431 |
*/
|
1432 |
public void addAsCollectionListener(FLayers layers2) { |
1433 |
layers2.addLayerCollectionListener(layerEventListener); |
1434 |
} |
1435 |
|
1436 |
/**
|
1437 |
* <p>Returns the internal {@link GraphicLayer GraphicLayer}.</p>
|
1438 |
*
|
1439 |
* @return the graphic layer of this map
|
1440 |
*
|
1441 |
* @see #setGraphicsLayer(GraphicLayer)
|
1442 |
*/
|
1443 |
public GraphicLayer getGraphicsLayer() {
|
1444 |
return tracLayer;
|
1445 |
} |
1446 |
|
1447 |
/**
|
1448 |
* <p>Sets a new {@link GraphicLayer GraphicLayer} to this map.</p>
|
1449 |
*
|
1450 |
* @param graphicLayer the new graphic layer
|
1451 |
*
|
1452 |
* @see #getGraphicsLayer()
|
1453 |
*/
|
1454 |
public void setGraphicsLayer(GraphicLayer graphicLayer) { |
1455 |
tracLayer = graphicLayer; |
1456 |
} |
1457 |
|
1458 |
/**
|
1459 |
* <p>Indicates whether some other object is "equal to" this map.</p>
|
1460 |
* <p>Returns <code>true</code> if success one of this options:
|
1461 |
* <ul>
|
1462 |
* <li>Both objects are equal according to {@linkplain Object#equals(Object)}.
|
1463 |
* <li>Both maps have the same layers.
|
1464 |
* <li>Both maps have the same number of layers and with the same name.
|
1465 |
* </ul>
|
1466 |
* </p>
|
1467 |
*
|
1468 |
* @param obj the reference object with which to compare.
|
1469 |
* @return <code>true</code> if this object is the same as the <code>arg0</code> argument; otherwise <code>false</code>.
|
1470 |
*
|
1471 |
* @see Object#equals(Object)
|
1472 |
*/
|
1473 |
public boolean equals(Object arg0) { |
1474 |
MapContext map = (MapContext) arg0; |
1475 |
if (super.equals(arg0)) |
1476 |
return true; |
1477 |
if (getLayers() == map.getLayers())
|
1478 |
return true; |
1479 |
boolean isEqual = true; |
1480 |
if (map.getLayers().getLayersCount() == getLayers().getLayersCount()) {
|
1481 |
for (int i = 0; i < getLayers().getLayersCount(); i++) { |
1482 |
|
1483 |
if (!getLayers().getLayer(i).getName().equals(
|
1484 |
map.getLayers().getLayer(i).getName())) { |
1485 |
isEqual = false;
|
1486 |
} |
1487 |
|
1488 |
} |
1489 |
} else {
|
1490 |
isEqual = false;
|
1491 |
} |
1492 |
return isEqual;
|
1493 |
} |
1494 |
|
1495 |
/**
|
1496 |
* <p>Registers the message of an error associated to this map.</p>
|
1497 |
*
|
1498 |
* @param stringProperty the error message
|
1499 |
*
|
1500 |
* @see #getLayersError()
|
1501 |
* @see #clearErrors()
|
1502 |
*/
|
1503 |
public void addLayerError(String stringProperty) { |
1504 |
layersError.add(stringProperty); |
1505 |
} |
1506 |
|
1507 |
/**
|
1508 |
* <p>Gets the list with all error messages registered to this map.</p>
|
1509 |
*
|
1510 |
* @return the list of errors registered to this map
|
1511 |
*
|
1512 |
* @see #addLayerError(String)
|
1513 |
* @see #clearErrors()
|
1514 |
*/
|
1515 |
public ArrayList getLayersError() { |
1516 |
return layersError;
|
1517 |
} |
1518 |
|
1519 |
/**
|
1520 |
* <p>Removes all error messages associated to this map.</p>
|
1521 |
*
|
1522 |
* @see #addLayerError(String)
|
1523 |
* @see #getLayersError()
|
1524 |
*/
|
1525 |
public void clearErrors() { |
1526 |
layersError.clear(); |
1527 |
} |
1528 |
|
1529 |
/**
|
1530 |
* <p>Removes from this map, all caching images of drawn layers, registered.</p>
|
1531 |
*
|
1532 |
* @see #clearCachingImageDrawnLayers(FLayers)
|
1533 |
*/
|
1534 |
public void clearAllCachingImageDrawnLayers() { |
1535 |
clearCachingImageDrawnLayers(this.layers);
|
1536 |
} |
1537 |
|
1538 |
/**
|
1539 |
* <p>Removes from the layer collection argument, all caching images of drawn layers, registered.</p>
|
1540 |
*
|
1541 |
* @param layers a layer collection
|
1542 |
*
|
1543 |
* @see #clearAllCachingImageDrawnLayers()
|
1544 |
*/
|
1545 |
private void clearCachingImageDrawnLayers(FLayers layers){ |
1546 |
int i;
|
1547 |
FLayer layer; |
1548 |
for (i=0;i< layers.getLayersCount();i++){ |
1549 |
layer = layers.getLayer(i); |
1550 |
if (layer instanceof FLayers) { |
1551 |
clearCachingImageDrawnLayers((FLayers)layer); |
1552 |
} else {
|
1553 |
layer.setCacheImageDrawnLayers(null);
|
1554 |
} |
1555 |
} |
1556 |
} |
1557 |
|
1558 |
/**
|
1559 |
* <p>Creates and returns a new group of layers that belongs to this <code>MapContext</code>.</p>
|
1560 |
*
|
1561 |
* @param parent layer node in this <code>MapContexte</code> that will be the parent of the new node
|
1562 |
* @return the new layer node
|
1563 |
*/
|
1564 |
public FLayers getNewGroupLayer(FLayers parent) {
|
1565 |
FLayers group1 = new FLayers();//(this,parent); |
1566 |
group1.setMapContext(this);
|
1567 |
group1.setParentLayer(parent); |
1568 |
return group1;
|
1569 |
} |
1570 |
} |