svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.mapcontext / org.gvsig.fmap.mapcontext.api / src / main / java / org / gvsig / fmap / mapcontext / layers / SingleLayerIterator.java @ 46277
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1 | 40559 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | 40435 | jjdelcerro | *
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4 | 40559 | 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 | 40559 | 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 | 40559 | 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 | 40559 | 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.fmap.mapcontext.layers; |
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25 | |||
26 | import java.util.ArrayList; |
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27 | |||
28 | |||
29 | /**
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30 | * @author fjp
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31 | *
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32 | * Class to iterate for all layers in FLayers, but assuring not FLayers is returned.
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33 | * The layer you receive in next method is a "leaf" layer, not grouped.
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34 | */
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35 | public class SingleLayerIterator { |
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36 | |||
37 | ArrayList singleLayers =new ArrayList(); |
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38 | int i = 0; |
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39 | int subIndex = 0; |
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40 | public SingleLayerIterator(FLayers layers)
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41 | { |
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42 | addSubLayer(layers); |
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43 | |||
44 | } |
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45 | |||
46 | public boolean hasNext() { |
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47 | return (i < singleLayers.size());
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48 | } |
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49 | |||
50 | public FLayer next() {
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51 | FLayer aux = (FLayer) singleLayers.get(i); |
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52 | i++; |
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53 | return aux;
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54 | } |
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55 | |||
56 | private void addSubLayer(FLayer lyr) { |
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57 | FLayers layers; |
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58 | if (lyr instanceof FLayers) |
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59 | { |
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60 | layers = (FLayers)lyr; |
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61 | for (int i=0; i < layers.getLayersCount(); i++) |
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62 | { |
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63 | addSubLayer(layers.getLayer(i)); |
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64 | } |
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65 | } |
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66 | else
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67 | { |
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68 | singleLayers.add(lyr); |
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69 | } |
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70 | } |
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71 | |||
72 | public void rewind() |
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73 | { |
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74 | i=0;
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75 | } |
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76 | |||
77 | } |
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78 |