svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.plugin / org.gvsig.app / org.gvsig.app.mainplugin / src / main / java / org / gvsig / app / project / documents / view / toolListeners / MapOverviewPanListener.java @ 45732
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1 | 40558 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | 40435 | jjdelcerro | *
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4 | 40558 | jjdelcerro | * Copyright (C) 2007-2013 gvSIG Association.
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5 | 40435 | jjdelcerro | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | 40558 | jjdelcerro | * as published by the Free Software Foundation; either version 3
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9 | 40435 | jjdelcerro | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | 40558 | jjdelcerro | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | 40435 | jjdelcerro | *
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21 | 40558 | jjdelcerro | * For any additional information, do not hesitate to contact us
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22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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23 | 40435 | jjdelcerro | */
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24 | package org.gvsig.app.project.documents.view.toolListeners; |
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25 | |||
26 | import java.awt.Image; |
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27 | import java.awt.event.InputEvent; |
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28 | import java.awt.event.MouseEvent; |
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29 | import java.awt.geom.Point2D; |
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30 | |||
31 | import org.gvsig.andami.PluginServices; |
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32 | import org.gvsig.app.gui.styling.SymbolSelector; |
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33 | import org.gvsig.app.project.documents.view.MapOverview; |
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34 | import org.gvsig.fmap.geom.GeometryLocator; |
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35 | import org.gvsig.fmap.geom.GeometryManager; |
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36 | import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
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37 | import org.gvsig.fmap.geom.exception.CreateEnvelopeException; |
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38 | import org.gvsig.fmap.geom.primitive.Envelope; |
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39 | import org.gvsig.fmap.mapcontext.ViewPort; |
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40 | import org.gvsig.fmap.mapcontrol.MapControl; |
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41 | import org.gvsig.fmap.mapcontrol.tools.BehaviorException; |
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42 | import org.gvsig.fmap.mapcontrol.tools.Events.MoveEvent; |
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43 | import org.gvsig.fmap.mapcontrol.tools.Listeners.PanListener; |
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44 | import org.slf4j.Logger; |
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45 | import org.slf4j.LoggerFactory; |
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46 | |||
47 | |||
48 | |||
49 | |||
50 | /**
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51 | * <p>Listener for moving the extent of the associated {@link MapOverview MapOverview} object
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52 | * according the movement between the initial and final points of line determined by the movement
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53 | * dragging with the third button of the mouse.</p>
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54 | *
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55 | * <p>Updates the extent of its <code>ViewPort</code> with the new position.</p>
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56 | *
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57 | * @author Vicente Caballero Navarro
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58 | */
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59 | public class MapOverviewPanListener implements PanListener { |
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60 | private static final GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
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61 | private static final Logger logger = LoggerFactory.getLogger(MapOverviewPanListener.class); |
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62 | |||
63 | /**
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64 | * The image to display when the cursor is active.
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65 | */
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66 | private final Image icursor = PluginServices.getIconTheme().get("cursor-crux").getImage(); |
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67 | |||
68 | /**
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69 | * The cursor used to work with this tool listener.
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70 | *
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71 | * @see #getCursor()
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72 | */
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73 | // private Cursor cur = Toolkit.getDefaultToolkit().createCustomCursor(icursor,
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74 | // new Point(16, 16), "");
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75 | |||
76 | /**
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77 | * Reference to the <code>MapControl</code> object that uses.
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78 | */
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79 | protected MapControl mapControl;
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80 | |||
81 | /**
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82 | * <p>Creates a new listener for changing the position of the extent of the associated {@link MapOverview MapOverview} object.</p>
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83 | *
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84 | * @param mapControl the <code>MapControl</code> object which represents the <code>MapOverview</code>
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85 | */
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86 | public MapOverviewPanListener(MapControl mapControl) {
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87 | this.mapControl = mapControl;
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88 | } |
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89 | |||
90 | /*
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91 | * (non-Javadoc)
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92 | * @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#getImageCursor()
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93 | */
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94 | public Image getImageCursor() { |
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95 | return icursor;
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96 | } |
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97 | |||
98 | /*
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99 | * (non-Javadoc)
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100 | * @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#cancelDrawing()
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101 | */
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102 | public boolean cancelDrawing() { |
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103 | return true; |
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104 | } |
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105 | |||
106 | /*
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107 | public void move(MoveEvent event) throws BehaviorException {
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108 | if (!checkModifiers(event.getEvent().getModifiers())){
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109 | return;
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110 | }
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111 | |||
112 | ViewPort vp = mapControl.getMapContext().getViewPort();
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113 | MapOverview mov=(MapOverview) this.mapControl;
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114 | ViewPort vpView=mov.getAssociatedMapContext().getViewPort();
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115 | if (vp.getExtent() != null) {
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116 | Point2D p = vp.toMapPoint(event.getTo());
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117 | Rectangle2D r = (Rectangle2D) vpView.getExtent().clone();
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118 | r.setRect(p.getX() - (r.getWidth() / 2),
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119 | p.getY() - (r.getHeight() / 2), r.getWidth(), r.getHeight());
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120 | //vpView.setExtent(r);
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121 | double scale;
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122 | double escalaX;
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123 | double escalaY;
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124 | double newHeight;
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125 | double newWidth;
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126 | double xCenter = r.getCenterX();
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127 | double yCenter = r.getCenterY();
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128 | |||
129 | escalaX = mapControl.getWidth() / r.getWidth();
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130 | escalaY = mapControl.getHeight() / r.getHeight();
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131 | Rectangle2D adjustedExtent = new Rectangle2D.Double();
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132 | |||
133 | if (escalaX < escalaY) {
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134 | scale = escalaX;
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135 | newHeight = mapControl.getHeight() / scale;
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136 | adjustedExtent.setRect(xCenter - (r.getWidth() / 2.0),
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137 | yCenter - (newHeight / 2.0), r.getWidth(), newHeight);
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138 | } else {
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139 | scale = escalaY;
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140 | newWidth = mapControl.getWidth() / scale;
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141 | adjustedExtent.setRect(xCenter - (newWidth / 2.0),
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142 | yCenter - (r.getHeight() / 2.0), newWidth,
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143 | r.getHeight());
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144 | }
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145 | mov.refreshOverView(adjustedExtent);
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146 | }
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147 | |||
148 | }
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149 | */
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150 | |||
151 | /*
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152 | * @see com.iver.cit.gvsig.fmap.tools.Listeners.PanListener#move(MoveEvent)
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153 | */
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154 | public void move(MoveEvent event) throws BehaviorException { |
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155 | |||
156 | |||
157 | if (!checkModifiers(event.getEvent())){
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158 | return;
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159 | } |
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160 | 44194 | omartinez | //System.out.println("mapOvervierPan");
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161 | 40435 | jjdelcerro | MapOverview mov=(MapOverview) this.mapControl;
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162 | ViewPort vp = mov.getViewPort(); |
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163 | ViewPort vpView=mov.getAssociatedMapContext().getViewPort(); |
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164 | |||
165 | if (vp.getExtent() != null && vpView.getExtent() != null) { |
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166 | |||
167 | // recogemos la forma de la vista actual
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168 | Envelope curEnvelope = vpView.getAdjustedExtent(); |
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169 | // traducimos las coordenadas en px de la ultima posicion del raton
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170 | // a coordenadas de la vista
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171 | Point2D thePoint= vp.toMapPoint( event.getTo());
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172 | |||
173 | double diffx =
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174 | (curEnvelope.getMaximum(0) - curEnvelope.getMinimum(0)) / 2; |
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175 | double diffy =
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176 | (curEnvelope.getMaximum(1) - curEnvelope.getMinimum(1)) / 2; |
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177 | // Creamos un envelope del mismo tama�o
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178 | // con la coordenadas del punto del raton,
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179 | // teniendo en cuenta que estas sera el
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180 | // centro del recuadro
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181 | |||
182 | Envelope envelope; |
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183 | try {
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184 | envelope = geomManager.createEnvelope( |
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185 | thePoint.getX() - diffx, |
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186 | thePoint.getY() - diffy, |
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187 | thePoint.getX() + diffx, |
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188 | thePoint.getY() + diffy, |
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189 | SUBTYPES.GEOM2D |
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190 | ); |
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191 | // cambiamos la posicion
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192 | mov.refreshOverView(envelope); |
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193 | vpView.setEnvelope(envelope); |
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194 | } catch (CreateEnvelopeException e) {
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195 | logger.error("Error creating the envelope", e);
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196 | } |
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197 | mov.getAssociatedMapContext().invalidate(); |
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198 | } |
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199 | } |
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200 | |||
201 | /**
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202 | * Determines if has pressed the button 3 of the mouse.
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203 | */
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204 | private boolean checkModifiers(MouseEvent event) { |
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205 | |||
206 | int modifiers = event.getModifiers();
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207 | /*
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208 | int keyPressedMask = InputEvent.BUTTON2_MASK;
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209 | |||
210 | *** No se porque el boton derecho del raton devuelve
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211 | *** un modificador 'Meta + BUTTON3'. Pensaba que deberia
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212 | *** devolver 'BUTTON2' ????
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213 | */
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214 | int keyPressedMask = InputEvent.BUTTON3_MASK; |
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215 | return ((modifiers & keyPressedMask) == keyPressedMask);
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216 | } |
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217 | } |