svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.impl / src / main / java / org / gvsig / fmap / dal / feature / impl / undo / command / SelectionCommandSelect.java @ 40435
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1 | 40435 | jjdelcerro | /* gvSIG. Geographic Information System of the Valencian Government
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2 | *
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3 | * Copyright (C) 2007-2008 Infrastructures and Transports Department
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4 | * of the Valencian Government (CIT)
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5 | *
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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 | * as published by the Free Software Foundation; either version 2
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9 | * 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 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | *
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21 | */
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22 | |||
23 | /*
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24 | * AUTHORS (In addition to CIT):
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25 | * 2008 {DiSiD Technologies} {Implement data selection}
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26 | */
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27 | package org.gvsig.fmap.dal.feature.impl.undo.command; |
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28 | |||
29 | import org.gvsig.fmap.dal.feature.FeatureReference; |
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30 | import org.gvsig.fmap.dal.feature.impl.DefaultFeatureReferenceSelection; |
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31 | import org.gvsig.tools.undo.RedoException; |
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32 | import org.gvsig.tools.undo.UndoException; |
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33 | import org.gvsig.tools.undo.command.impl.AbstractCommand; |
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34 | |||
35 | /**
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36 | * Command to allow undo and redo over a select or deselect operation performed
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37 | * on a selection.
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38 | *
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39 | * @author <a href="mailto:cordin@disid.com">C?sar Ordi?ana</a>
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40 | */
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41 | public class SelectionCommandSelect extends AbstractCommand { |
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42 | |||
43 | private final DefaultFeatureReferenceSelection selection; |
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44 | private final FeatureReference reference; |
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45 | private final boolean select; |
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46 | |||
47 | public SelectionCommandSelect(DefaultFeatureReferenceSelection selection,
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48 | FeatureReference reference, boolean select, String description) { |
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49 | super(description);
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50 | this.selection = selection;
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51 | this.reference = reference;
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52 | this.select = select;
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53 | } |
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54 | |||
55 | public void execute() { |
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56 | // Nothing to do
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57 | } |
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58 | |||
59 | public int getType() { |
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60 | return UPDATE; // select ? INSERT : DELETE; |
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61 | } |
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62 | |||
63 | public void undo() throws UndoException { |
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64 | performSelection(!select); |
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65 | } |
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66 | |||
67 | public void redo() throws RedoException { |
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68 | performSelection(select); |
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69 | } |
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70 | |||
71 | private void performSelection(boolean doSelection) { |
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72 | if (doSelection) {
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73 | selection.select(reference, false);
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74 | } else {
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75 | selection.deselect(reference, false);
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76 | } |
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77 | } |
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78 | } |