root / trunk / libraries / libCq_CMS_praster / src / org / cresques / px / PxLayerList.java @ 8026
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/*
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* Cresques Mapping Suite. Graphic Library for constructing mapping applications.
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*
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* Copyright (C) 2004-5.
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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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* cresques@gmail.com
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*/
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package org.cresques.px; |
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import java.util.Iterator; |
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public class PxLayerList extends PxObjList { |
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PxLayer current = null;
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public PxLayerList() {
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super();
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} |
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public void add(PxLayer layer) { |
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extent.add(layer.extent); |
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super.add(layer);
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current = layer; |
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} |
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public PxLayer getByName(String lName) { |
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Iterator iter = iterator();
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PxLayer layer; |
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while (iter.hasNext()) {
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layer = (PxLayer) iter.next(); |
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if (layer.getName().compareTo(lName) == 0) { |
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return layer;
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} |
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} |
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return null; |
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} |
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public boolean isCurrent(PxLayer layer) { |
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return current.getId() == layer.getId();
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} |
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public PxLayer getCurrent() {
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return current;
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} |
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public void setCurrent(PxLayer layer) { |
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current = layer; |
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if (!current.isVisible()) {
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current.setVisible(true);
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} |
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} |
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public Extent getExtent() {
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Extent ext = new Extent();
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PxLayer layer; |
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Iterator iter = iterator();
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while (iter.hasNext()) {
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layer = (PxLayer) iter.next(); |
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if (layer.isVisible()) {
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ext.add(layer.extent); |
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} |
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} |
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return ext;
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} |
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} |