root / branches / v2_0_0_prep / libraries / libFMap_mapcontext / src / org / gvsig / fmap / mapcontext / layers / SingleLayerIterator.java @ 38581
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package org.gvsig.fmap.mapcontext.layers; |
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import java.util.ArrayList; |
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/**
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* @author fjp
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*
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* Class to iterate for all layers in FLayers, but assuring not FLayers is returned.
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* The layer you receive in next method is a "leaf" layer, not grouped.
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*/
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public class SingleLayerIterator { |
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ArrayList singleLayers =new ArrayList(); |
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int i = 0; |
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int subIndex = 0; |
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public SingleLayerIterator(FLayers layers)
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{ |
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addSubLayer(layers); |
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} |
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public boolean hasNext() { |
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return (i < singleLayers.size());
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} |
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public FLayer next() {
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FLayer aux = (FLayer) singleLayers.get(i); |
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i++; |
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return aux;
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} |
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private void addSubLayer(FLayer lyr) { |
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FLayers layers; |
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if (lyr instanceof FLayers) |
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{ |
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layers = (FLayers)lyr; |
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for (int i=0; i < layers.getLayersCount(); i++) |
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{ |
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addSubLayer(layers.getLayer(i)); |
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} |
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} |
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else
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{ |
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singleLayers.add(lyr); |
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} |
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} |
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public void rewind() |
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{ |
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i=0;
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} |
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} |
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