svn-gvsig-desktop / tags / v1_0_2_Build_894 / libraries / libFMap / src / com / iver / cit / gvsig / fmap / EventBuffer.java @ 10309
History | View | Annotate | Download (7.6 KB)
| 1 | 1100 | fjp | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
|---|---|---|---|
| 2 | *
|
||
| 3 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
|
||
| 4 | *
|
||
| 5 | * This program is free software; you can redistribute it and/or
|
||
| 6 | * modify it under the terms of the GNU General Public License
|
||
| 7 | * as published by the Free Software Foundation; either version 2
|
||
| 8 | * of the License, or (at your option) any later version.
|
||
| 9 | *
|
||
| 10 | * This program is distributed in the hope that it will be useful,
|
||
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
| 13 | * GNU General Public License for more details.
|
||
| 14 | *
|
||
| 15 | * You should have received a copy of the GNU General Public License
|
||
| 16 | * along with this program; if not, write to the Free Software
|
||
| 17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
|
||
| 18 | *
|
||
| 19 | * For more information, contact:
|
||
| 20 | *
|
||
| 21 | * Generalitat Valenciana
|
||
| 22 | * Conselleria d'Infraestructures i Transport
|
||
| 23 | * Av. Blasco Ib??ez, 50
|
||
| 24 | * 46010 VALENCIA
|
||
| 25 | * SPAIN
|
||
| 26 | *
|
||
| 27 | * +34 963862235
|
||
| 28 | * gvsig@gva.es
|
||
| 29 | * www.gvsig.gva.es
|
||
| 30 | *
|
||
| 31 | * or
|
||
| 32 | *
|
||
| 33 | * IVER T.I. S.A
|
||
| 34 | * Salamanca 50
|
||
| 35 | * 46005 Valencia
|
||
| 36 | * Spain
|
||
| 37 | *
|
||
| 38 | * +34 963163400
|
||
| 39 | * dac@iver.es
|
||
| 40 | */
|
||
| 41 | 679 | fernando | package com.iver.cit.gvsig.fmap; |
| 42 | |||
| 43 | import com.iver.cit.gvsig.fmap.layers.CancelationException; |
||
| 44 | import com.iver.cit.gvsig.fmap.layers.LayerCollectionEvent; |
||
| 45 | import com.iver.cit.gvsig.fmap.layers.LayerCollectionListener; |
||
| 46 | 727 | fernando | import com.iver.cit.gvsig.fmap.layers.LayerEvent; |
| 47 | import com.iver.cit.gvsig.fmap.layers.LayerListener; |
||
| 48 | 679 | fernando | import com.iver.cit.gvsig.fmap.layers.LayerPositionEvent; |
| 49 | import com.iver.cit.gvsig.fmap.layers.LegendListener; |
||
| 50 | import com.iver.cit.gvsig.fmap.layers.SelectionEvent; |
||
| 51 | import com.iver.cit.gvsig.fmap.layers.SelectionListener; |
||
| 52 | import com.iver.cit.gvsig.fmap.rendering.LegendChangedEvent; |
||
| 53 | |||
| 54 | import java.util.ArrayList; |
||
| 55 | import java.util.Iterator; |
||
| 56 | |||
| 57 | |||
| 58 | /**
|
||
| 59 | 1034 | vcaballero | * Evento sobre el buffer.
|
| 60 | 679 | fernando | *
|
| 61 | * @author Fernando Gonz?lez Cort?s
|
||
| 62 | */
|
||
| 63 | public class EventBuffer implements LegendListener, LayerCollectionListener, |
||
| 64 | 956 | vcaballero | SelectionListener, ViewPortListener, LayerListener {
|
| 65 | 679 | fernando | private ArrayList events = new ArrayList(); |
| 66 | private ArrayList listeners = new ArrayList(); |
||
| 67 | private boolean dispatching = true; |
||
| 68 | |||
| 69 | /**
|
||
| 70 | 956 | vcaballero | * Pone el buffer en modo acumulaci?n de eventos. Los eventos que se
|
| 71 | * reciban a partir de una llamada a este m?todo ser?n acumulados y no
|
||
| 72 | * ser?n notificados a los listeners hasta que no se reciba una llamada a
|
||
| 73 | * endAtomicEvent
|
||
| 74 | 679 | fernando | */
|
| 75 | public void beginAtomicEvent() { |
||
| 76 | dispatching = false;
|
||
| 77 | } |
||
| 78 | |||
| 79 | /**
|
||
| 80 | 956 | vcaballero | * Termina la acumulaci?n de eventos y notifica a los l?steners.
|
| 81 | 679 | fernando | */
|
| 82 | public void endAtomicEvent() { |
||
| 83 | fireAtomicEventListener(); |
||
| 84 | events.clear(); |
||
| 85 | dispatching = true;
|
||
| 86 | } |
||
| 87 | |||
| 88 | /**
|
||
| 89 | * @see com.iver.cit.gvsig.fmap.layers.LegendListener#legendChanged(com.iver.cit.gvsig.fmap.rendering.LegendChangedEvent)
|
||
| 90 | */
|
||
| 91 | public void legendChanged(LegendChangedEvent e) { |
||
| 92 | events.add(e); |
||
| 93 | 956 | vcaballero | |
| 94 | if (dispatching) {
|
||
| 95 | fireAtomicEventListener(); |
||
| 96 | } |
||
| 97 | 679 | fernando | } |
| 98 | |||
| 99 | /**
|
||
| 100 | * @see com.iver.cit.gvsig.fmap.layers.LayerCollectionListener#layerAdded(com.iver.cit.gvsig.fmap.layers.LayerCollectionEvent)
|
||
| 101 | */
|
||
| 102 | public void layerAdded(LayerCollectionEvent e) { |
||
| 103 | events.add(e); |
||
| 104 | 956 | vcaballero | |
| 105 | if (dispatching) {
|
||
| 106 | fireAtomicEventListener(); |
||
| 107 | } |
||
| 108 | 679 | fernando | } |
| 109 | |||
| 110 | /**
|
||
| 111 | * @see com.iver.cit.gvsig.fmap.layers.LayerCollectionListener#layerMoved(com.iver.cit.gvsig.fmap.layers.LayerPositionEvent)
|
||
| 112 | */
|
||
| 113 | public void layerMoved(LayerPositionEvent e) { |
||
| 114 | events.add(e); |
||
| 115 | 956 | vcaballero | |
| 116 | if (dispatching) {
|
||
| 117 | fireAtomicEventListener(); |
||
| 118 | } |
||
| 119 | 679 | fernando | } |
| 120 | |||
| 121 | /**
|
||
| 122 | * @see com.iver.cit.gvsig.fmap.layers.LayerCollectionListener#layerRemoved(com.iver.cit.gvsig.fmap.layers.LayerCollectionEvent)
|
||
| 123 | */
|
||
| 124 | public void layerRemoved(LayerCollectionEvent e) { |
||
| 125 | events.add(e); |
||
| 126 | 956 | vcaballero | |
| 127 | if (dispatching) {
|
||
| 128 | fireAtomicEventListener(); |
||
| 129 | } |
||
| 130 | 679 | fernando | } |
| 131 | |||
| 132 | /**
|
||
| 133 | * @see com.iver.cit.gvsig.fmap.layers.LayerCollectionListener#layerAdding(com.iver.cit.gvsig.fmap.layers.LayerCollectionEvent)
|
||
| 134 | */
|
||
| 135 | public void layerAdding(LayerCollectionEvent e) throws CancelationException { |
||
| 136 | events.add(e); |
||
| 137 | 956 | vcaballero | |
| 138 | if (dispatching) {
|
||
| 139 | fireAtomicEventListener(); |
||
| 140 | } |
||
| 141 | 679 | fernando | } |
| 142 | |||
| 143 | /**
|
||
| 144 | * @see com.iver.cit.gvsig.fmap.layers.LayerCollectionListener#layerMoving(com.iver.cit.gvsig.fmap.layers.LayerPositionEvent)
|
||
| 145 | */
|
||
| 146 | public void layerMoving(LayerPositionEvent e) throws CancelationException { |
||
| 147 | events.add(e); |
||
| 148 | 956 | vcaballero | |
| 149 | if (dispatching) {
|
||
| 150 | fireAtomicEventListener(); |
||
| 151 | } |
||
| 152 | 679 | fernando | } |
| 153 | |||
| 154 | /**
|
||
| 155 | * @see com.iver.cit.gvsig.fmap.layers.LayerCollectionListener#layerRemoving(com.iver.cit.gvsig.fmap.layers.LayerCollectionEvent)
|
||
| 156 | */
|
||
| 157 | public void layerRemoving(LayerCollectionEvent e) |
||
| 158 | throws CancelationException {
|
||
| 159 | events.add(e); |
||
| 160 | 956 | vcaballero | |
| 161 | if (dispatching) {
|
||
| 162 | fireAtomicEventListener(); |
||
| 163 | } |
||
| 164 | 679 | fernando | } |
| 165 | |||
| 166 | 956 | vcaballero | |
| 167 | 679 | fernando | /**
|
| 168 | * @see com.iver.cit.gvsig.fmap.layers.LayerCollectionListener#visibilityChanged(com.iver.cit.gvsig.fmap.layers.LayerCollectionEvent)
|
||
| 169 | */
|
||
| 170 | public void visibilityChanged(LayerCollectionEvent e) |
||
| 171 | throws CancelationException {
|
||
| 172 | events.add(e); |
||
| 173 | 956 | vcaballero | |
| 174 | if (dispatching) {
|
||
| 175 | fireAtomicEventListener(); |
||
| 176 | } |
||
| 177 | 679 | fernando | } |
| 178 | |||
| 179 | /**
|
||
| 180 | * @see com.iver.cit.gvsig.fmap.layers.SelectionListener#selectionChanged(com.iver.cit.gvsig.fmap.layers.SelectionEvent)
|
||
| 181 | */
|
||
| 182 | public void selectionChanged(SelectionEvent e) { |
||
| 183 | events.add(e); |
||
| 184 | 956 | vcaballero | |
| 185 | if (dispatching) {
|
||
| 186 | fireAtomicEventListener(); |
||
| 187 | } |
||
| 188 | 679 | fernando | } |
| 189 | |||
| 190 | /**
|
||
| 191 | * @see com.iver.cit.gvsig.fmap.ExtentListener#extentChanged(com.iver.cit.gvsig.fmap.ExtentEvent)
|
||
| 192 | */
|
||
| 193 | public void extentChanged(ExtentEvent e) { |
||
| 194 | events.add(e); |
||
| 195 | 956 | vcaballero | |
| 196 | if (dispatching) {
|
||
| 197 | fireAtomicEventListener(); |
||
| 198 | } |
||
| 199 | 679 | fernando | } |
| 200 | |||
| 201 | /**
|
||
| 202 | 1034 | vcaballero | * A?ade un AtomicEventListener a la lista de listener.
|
| 203 | 679 | fernando | *
|
| 204 | 1034 | vcaballero | * @param listener AtomicEventListener.
|
| 205 | 679 | fernando | *
|
| 206 | 1034 | vcaballero | * @return True si ha sido a?adido correctamente.
|
| 207 | 679 | fernando | */
|
| 208 | public boolean addAtomicEventListener(AtomicEventListener listener) { |
||
| 209 | 4147 | fjp | boolean bFound = false; |
| 210 | for (int i=0; i < listeners.size(); i++) |
||
| 211 | if (listeners.get(i) == listener)
|
||
| 212 | bFound = true;
|
||
| 213 | if (!bFound)
|
||
| 214 | listeners.add(listener); |
||
| 215 | return true; |
||
| 216 | 679 | fernando | } |
| 217 | |||
| 218 | /**
|
||
| 219 | 1034 | vcaballero | * Borra el AtomicEventListener de la lista de listeners.
|
| 220 | 679 | fernando | *
|
| 221 | 1034 | vcaballero | * @param listener AtomicEventListener.
|
| 222 | 679 | fernando | *
|
| 223 | 1034 | vcaballero | * @return True si ha sido borrado correctamente.
|
| 224 | 679 | fernando | */
|
| 225 | public boolean removeAtomicEventListener(AtomicEventListener listener) { |
||
| 226 | return listeners.remove(listener);
|
||
| 227 | } |
||
| 228 | |||
| 229 | /**
|
||
| 230 | 1034 | vcaballero | * Ejecuta el m?todo atomicEvent de todos los listeners.
|
| 231 | 679 | fernando | */
|
| 232 | private void fireAtomicEventListener() { |
||
| 233 | 4147 | fjp | if (events.size() == 0) |
| 234 | return; // No hay eventos que lanzar. |
||
| 235 | 679 | fernando | for (Iterator i = listeners.iterator(); i.hasNext();) { |
| 236 | AtomicEventListener listener = (AtomicEventListener) i.next(); |
||
| 237 | AtomicEvent e = new AtomicEvent(events);
|
||
| 238 | listener.atomicEvent(e); |
||
| 239 | } |
||
| 240 | 956 | vcaballero | |
| 241 | 679 | fernando | events.clear(); |
| 242 | } |
||
| 243 | 727 | fernando | |
| 244 | /**
|
||
| 245 | * @see com.iver.cit.gvsig.fmap.layers.LayerListener#visibilityChanged(com.iver.cit.gvsig.fmap.layers.LayerEvent)
|
||
| 246 | */
|
||
| 247 | public void visibilityChanged(LayerEvent e) { |
||
| 248 | events.add(e); |
||
| 249 | 956 | vcaballero | |
| 250 | if (dispatching) {
|
||
| 251 | fireAtomicEventListener(); |
||
| 252 | } |
||
| 253 | 727 | fernando | } |
| 254 | |||
| 255 | /**
|
||
| 256 | * @see com.iver.cit.gvsig.fmap.layers.LayerListener#activationChanged(com.iver.cit.gvsig.fmap.layers.LayerEvent)
|
||
| 257 | */
|
||
| 258 | public void activationChanged(LayerEvent e) { |
||
| 259 | events.add(e); |
||
| 260 | 956 | vcaballero | |
| 261 | if (dispatching) {
|
||
| 262 | fireAtomicEventListener(); |
||
| 263 | } |
||
| 264 | 727 | fernando | } |
| 265 | |||
| 266 | /**
|
||
| 267 | * @see com.iver.cit.gvsig.fmap.layers.LayerListener#nameChanged(com.iver.cit.gvsig.fmap.layers.LayerEvent)
|
||
| 268 | */
|
||
| 269 | public void nameChanged(LayerEvent e) { |
||
| 270 | events.add(e); |
||
| 271 | 956 | vcaballero | |
| 272 | if (dispatching) {
|
||
| 273 | fireAtomicEventListener(); |
||
| 274 | } |
||
| 275 | 727 | fernando | } |
| 276 | 956 | vcaballero | |
| 277 | /**
|
||
| 278 | * @see com.iver.cit.gvsig.fmap.ViewPortListener#backColorChanged(com.iver.cit.gvsig.fmap.ColorEvent)
|
||
| 279 | */
|
||
| 280 | public void backColorChanged(ColorEvent e) { |
||
| 281 | events.add(e); |
||
| 282 | |||
| 283 | if (dispatching) {
|
||
| 284 | 979 | fernando | fireAtomicEventListener(); |
| 285 | 956 | vcaballero | } |
| 286 | } |
||
| 287 | 4144 | fjp | |
| 288 | public void editionChanged(LayerEvent e) { |
||
| 289 | events.add(e); |
||
| 290 | |||
| 291 | if (dispatching) {
|
||
| 292 | fireAtomicEventListener(); |
||
| 293 | } |
||
| 294 | |||
| 295 | } |
||
| 296 | 5939 | jmvivo | |
| 297 | public void projectionChanged(ProjectionEvent e) { |
||
| 298 | events.add(e); |
||
| 299 | |||
| 300 | if (dispatching) {
|
||
| 301 | fireAtomicEventListener(); |
||
| 302 | } |
||
| 303 | } |
||
| 304 | 679 | fernando | } |