root / trunk / applications / appgvSIG / src / com / iver / cit / gvsig / gui / toolListeners / MapOverviewChangeZoomListener.java @ 6274
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| 1 | 5233 | jmvivo | /**
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| 2 | *
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| 3 | */
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| 4 | package com.iver.cit.gvsig.gui.toolListeners; |
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| 5 | |||
| 6 | import java.awt.Cursor; |
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| 7 | import java.awt.Event; |
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| 8 | import java.awt.Image; |
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| 9 | import java.awt.Point; |
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| 10 | import java.awt.Toolkit; |
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| 11 | import java.awt.event.InputEvent; |
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| 12 | 6274 | jmvivo | import java.awt.event.MouseEvent; |
| 13 | 5233 | jmvivo | import java.awt.geom.Point2D; |
| 14 | import java.awt.geom.Rectangle2D; |
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| 15 | |||
| 16 | import javax.swing.ImageIcon; |
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| 17 | |||
| 18 | import com.iver.cit.gvsig.fmap.MapControl; |
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| 19 | import com.iver.cit.gvsig.fmap.ViewPort; |
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| 20 | import com.iver.cit.gvsig.fmap.tools.BehaviorException; |
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| 21 | import com.iver.cit.gvsig.fmap.tools.ZoomInListenerImpl; |
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| 22 | import com.iver.cit.gvsig.fmap.tools.Events.MoveEvent; |
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| 23 | import com.iver.cit.gvsig.fmap.tools.Events.RectangleEvent; |
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| 24 | import com.iver.cit.gvsig.fmap.tools.Listeners.RectangleListener; |
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| 25 | import com.iver.cit.gvsig.fmap.tools.Listeners.PanListener; |
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| 26 | import com.iver.cit.gvsig.gui.MapOverview; |
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| 27 | |||
| 28 | /**
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| 29 | * @author jmvivo
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| 30 | *
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| 31 | */
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| 32 | |||
| 33 | |||
| 34 | |||
| 35 | public class MapOverviewChangeZoomListener implements RectangleListener, PanListener { |
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| 36 | private final Image izoomin = new ImageIcon(MapControl.class.getResource( |
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| 37 | "images/ZoomInCursor.gif")).getImage();
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| 38 | private Cursor cur = Toolkit.getDefaultToolkit().createCustomCursor(izoomin,new Point(16, 16), ""); |
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| 39 | protected MapControl mapControl;
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| 40 | |||
| 41 | /**
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| 42 | * Crea un nuevo MapOverviewChangeZoomListener.
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| 43 | *
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| 44 | * @param mapControl Control de mapa asociado
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| 45 | */
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| 46 | public MapOverviewChangeZoomListener(MapControl mapControl) {
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| 47 | this.mapControl=mapControl;
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| 48 | } |
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| 49 | |||
| 50 | /**
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| 51 | * Cambia el zoom. Es llamado cuando finaliza de
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| 52 | * pintar el recuadro
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| 53 | *
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| 54 | *
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| 55 | *
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| 56 | * @see com.iver.cit.gvsig.fmap.tools.Listeners.RectangleListener#rectangle(com.iver.cit.gvsig.fmap.tools.Events.RectangleEvent)
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| 57 | */
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| 58 | public void rectangle(RectangleEvent event) throws BehaviorException { |
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| 59 | |||
| 60 | 6274 | jmvivo | if (!checkModifiers(event.getEvent())){
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| 61 | 5233 | jmvivo | return;
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| 62 | } |
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| 63 | MapOverview mov=(MapOverview) this.mapControl;
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| 64 | ViewPort vpView=mov.getAssociatedMapContext().getViewPort(); |
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| 65 | ViewPort vp = mov.getViewPort(); |
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| 66 | |||
| 67 | if (vp.getExtent() != null && vpView.getExtent() != null) { |
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| 68 | |||
| 69 | // Recuperamos las coordenadas del evento en px
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| 70 | Rectangle2D pxRectangle = event.getPixelCoordRect();
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| 71 | // Recuperamos las coordenadas del evento en coordenadas de la vista de localizador
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| 72 | Rectangle2D realRectangle = event.getWorldCoordRect();
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| 73 | |||
| 74 | if ((pxRectangle.getWidth() < 3) && (pxRectangle.getHeight() < 3)) |
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| 75 | {
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| 76 | // rectangulo < 3 px no hacemos nada
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| 77 | return;
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| 78 | |||
| 79 | } else {
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| 80 | // Cambiamos la extension de la vista asociada al localizador
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| 81 | vpView.setExtent(realRectangle); |
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| 82 | } |
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| 83 | |||
| 84 | } |
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| 85 | |||
| 86 | |||
| 87 | } |
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| 88 | |||
| 89 | /**
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| 90 | * (non-Javadoc)
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| 91 | * @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#getCursor()
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| 92 | **/
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| 93 | public Cursor getCursor() { |
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| 94 | return this.cur; |
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| 95 | } |
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| 96 | |||
| 97 | /* (non-Javadoc)
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| 98 | * @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#cancelDrawing()
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| 99 | */
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| 100 | public boolean cancelDrawing() { |
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| 101 | return true; //??? |
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| 102 | } |
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| 103 | |||
| 104 | /**
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| 105 | * Es llamado mientras se hace del 'Dragg' del
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| 106 | * raton. Pinta el recuadro de la forma.
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| 107 | **/
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| 108 | public void move(MoveEvent event) throws BehaviorException { |
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| 109 | |||
| 110 | |||
| 111 | 6274 | jmvivo | if (!checkModifiers(event.getEvent())){
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| 112 | 5233 | jmvivo | return;
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| 113 | } |
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| 114 | 6274 | jmvivo | System.out.println("mapOvervierChangeZoom"); |
| 115 | 5233 | jmvivo | MapOverview mov=(MapOverview) this.mapControl;
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| 116 | ViewPort vpView=mov.getAssociatedMapContext().getViewPort(); |
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| 117 | ViewPort vp = mov.getViewPort(); |
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| 118 | |||
| 119 | if (vp.getExtent() != null && vpView.getExtent() != null) { |
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| 120 | |||
| 121 | // Creamos un recuadro con las coordenadas del raton
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| 122 | // traducidas a la del mapa
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| 123 | Rectangle2D realRectangle = new Rectangle2D.Double(); |
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| 124 | realRectangle.setFrameFromDiagonal(vp.toMapPoint(event.getFrom()),vp.toMapPoint(event.getTo())); |
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| 125 | |||
| 126 | // Establecemos la forma
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| 127 | mov.refreshOverView(realRectangle); |
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| 128 | } |
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| 129 | |||
| 130 | |||
| 131 | |||
| 132 | } |
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| 133 | |||
| 134 | /**
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| 135 | * Comprueba que el estado de los botones
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| 136 | * sea el deseado para esta herramienta.
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| 137 | **/
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| 138 | 6274 | jmvivo | private boolean checkModifiers(MouseEvent event) { |
| 139 | int modifiers = event.getModifiers();
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| 140 | int keyPressedMask = InputEvent.BUTTON1_MASK; |
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| 141 | return ((modifiers & keyPressedMask) == keyPressedMask);
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| 142 | 5233 | jmvivo | } |
| 143 | |||
| 144 | } |