root / trunk / extensions / extWMS / src / com / iver / cit / gvsig / gui / toc / ZoomToVisibleScaleTocMenuEntry.java @ 38063
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1 | 34406 | fdiaz | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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2 | *
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3 | * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.
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4 | *
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5 | * This program is free software; you can redistribute it and/or
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6 | * modify it under the terms of the GNU General Public License
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7 | * as published by the Free Software Foundation; either version 2
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8 | * of the License, or (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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18 | *
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19 | * For more information, contact:
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20 | *
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21 | * Generalitat Valenciana
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22 | * Conselleria d'Infraestructures i Transport
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23 | * Av. Blasco Ib??ez, 50
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24 | * 46010 VALENCIA
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25 | * SPAIN
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26 | *
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27 | * +34 963862235
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28 | * gvsig@gva.es
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29 | * www.gvsig.gva.es
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30 | *
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31 | * or
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32 | *
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33 | * IVER T.I. S.A
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34 | * Salamanca 50
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35 | * 46005 Valencia
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36 | * Spain
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37 | *
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38 | * +34 963163400
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39 | * dac@iver.es
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40 | */
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41 | package com.iver.cit.gvsig.gui.toc; |
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42 | |||
43 | import java.awt.event.ActionEvent; |
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44 | |||
45 | import javax.swing.JMenuItem; |
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46 | |||
47 | import com.iver.andami.PluginServices; |
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48 | import com.iver.cit.gvsig.fmap.MapContext; |
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49 | import com.iver.cit.gvsig.fmap.layers.FLayer; |
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50 | import com.iver.cit.gvsig.fmap.layers.FLyrWMS; |
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51 | import com.iver.cit.gvsig.project.documents.view.toc.TocMenuEntry; |
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52 | import com.iver.cit.gvsig.project.documents.view.toc.gui.FPopupMenu; |
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53 | |||
54 | public class ZoomToVisibleScaleTocMenuEntry extends TocMenuEntry { |
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55 | private JMenuItem propsMenuItem; |
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56 | FLayer lyr = null;
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57 | 38063 | fpuga | |
58 | 34406 | fdiaz | public void initialize(FPopupMenu m) { |
59 | super.initialize(m);
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60 | 38063 | fpuga | |
61 | 34406 | fdiaz | if (isTocItemBranch()) {
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62 | lyr = getNodeLayer(); |
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63 | if ((lyr instanceof FLyrWMS)) { |
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64 | propsMenuItem = new JMenuItem(PluginServices.getText(this, "zoom_to_visible_scale")); |
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65 | getMenu().add( propsMenuItem ); |
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66 | getMenu().setEnabled(true);
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67 | 38063 | fpuga | propsMenuItem.addActionListener(this);
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68 | 34406 | fdiaz | } |
69 | } |
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70 | } |
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71 | 38063 | fpuga | |
72 | 34406 | fdiaz | public void actionPerformed(ActionEvent e) { |
73 | lyr = getNodeLayer(); |
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74 | if (lyr.isAvailable()) {
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75 | if ((lyr instanceof FLyrWMS)) { |
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76 | FLyrWMS wmsLayer = (FLyrWMS) lyr; |
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77 | MapContext mp = getMapContext(); |
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78 | double mapScale = (double) mp.getScaleView(); |
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79 | 38063 | fpuga | double correctedMinScale = wmsLayer.getCorrectedServerMinScale();
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80 | 34406 | fdiaz | double correctedMaxScale = wmsLayer.getCorrectedServerMaxScale();
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81 | |||
82 | if (correctedMinScale>0 // -1 and 0 are invalid values for scale |
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83 | && mapScale < correctedMinScale) { |
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84 | mp.setScaleView((long)correctedMinScale);
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85 | } |
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86 | else if (correctedMaxScale>0 |
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87 | && mapScale>=correctedMaxScale){ |
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88 | /**
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89 | * As the WMS 1.3 standard defines the MAX DENOMINATOR SCALE as a non-inclusive
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90 | 38063 | fpuga | * interval limit, we have to subtract a constant to MAX_SCALE in order to
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91 | 34406 | fdiaz | * move to the "safe side" of the limit.
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92 | */
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93 | mp.setScaleView((long)correctedMaxScale-1); |
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94 | } |
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95 | } |
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96 | } |
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97 | } |
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98 | |||
99 | } |