svn-gvsig-desktop / tags / v2_0_0_Build_2058 / extensions / org.gvsig.selectiontools.app / org.gvsig.selectiontools.app.extension / src / main / java / org / gvsig / selectiontools / app / extension / SelectByBufferExtension.java @ 39267
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package org.gvsig.selectiontools.app.extension; |
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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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., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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import java.util.ArrayList; |
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import javax.swing.JOptionPane; |
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import org.gvsig.andami.IconThemeHelper; |
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import org.gvsig.andami.PluginServices; |
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import org.gvsig.andami.plugins.Extension; |
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import org.gvsig.andami.ui.mdiManager.IWindow; |
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import org.gvsig.app.project.documents.view.ViewDocument; |
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import org.gvsig.app.project.documents.view.gui.IView; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.mapcontext.MapContext; |
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import org.gvsig.fmap.mapcontext.layers.FLayer; |
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import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect; |
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import org.gvsig.selectiontools.app.extension.tools.buffer.gui.BufferConfigurationPanel; |
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/**
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* <p>
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* Extension to add support for selecting the geometries of the active vector
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* layers that intersect with a buffer around their previously selected
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* geometries.
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* </p>
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*
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* @author Pablo Piqueras Bartolom? (pablo.piqueras@iver.es)
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*/
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public class SelectByBufferExtension extends Extension { |
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public static final String BUFFER_SELECTION_TOOL_NAME = "bufferSelection"; |
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/*
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* @see com.iver.andami.plugins.IExtension#initialize()
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*/
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public void initialize() { |
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IconThemeHelper.registerIcon("action", "selection-select-by-buffer", this); |
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IconThemeHelper.registerIcon("cursor", "cursor-select-by-buffer", this); |
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} |
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/*
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* (non-Javadoc)
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*
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* @see com.iver.andami.plugins.IExtension#execute(java.lang.String)
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*/
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public void execute(String actionCommand) { |
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if (actionCommand.equals("SELBUFFER")) { |
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IWindow win = PluginServices.getMDIManager().getActiveWindow(); |
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if (win instanceof IView) { |
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IView view = (IView) win; |
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ViewDocument model = view.getViewDocument(); |
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/*
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* Unavaliable tool with views in geographic projections
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*/
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if (!view.getMapControl().getProjection().isProjected()) {
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JOptionPane.showMessageDialog(null, |
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PluginServices.getText(null,
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"Tool_unavaliable_with_view_in_geographic_projection"),
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PluginServices.getText(this, "Warning"), |
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JOptionPane.ERROR_MESSAGE);
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return;
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} |
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MapContext mapContext = model.getMapContext(); |
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// If there is at least one active vector layer that has
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// geometries selected -> can use this tool, otherwise notifies
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// the
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// limitation in a JOptionPane
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FLayer layers[] = mapContext.getLayers().getActives();
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FLayer layer; |
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ArrayList<FLyrVect> usefulLayers = new ArrayList<FLyrVect>(); |
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int emptySelectionLayers = 0; |
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for (int i = 0; i < layers.length; i++) { |
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layer = layers[i]; |
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if ((layer instanceof FLyrVect) && (layer.isAvailable()) |
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&& (layer.isActive())) { |
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usefulLayers.add((FLyrVect) layer); |
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try {
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if (((FLyrVect) layer).getFeatureStore()
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.getFeatureSelection() |
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.isEmpty()) { |
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emptySelectionLayers++; |
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} |
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} catch (DataException e) {
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JOptionPane.showMessageDialog(null, |
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PluginServices.getText(null,
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"Failed_selecting_layer")
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+ ": "
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+ layer.getName(), |
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PluginServices.getText(null, "Warning"), |
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JOptionPane.WARNING_MESSAGE);
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} |
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} |
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} |
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if (usefulLayers.size() == 0 |
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|| emptySelectionLayers == usefulLayers.size()) { |
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JOptionPane.showMessageDialog(null, |
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PluginServices.getText(null,
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"There_are_no_geometries_selected"),
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PluginServices.getText(null, "Warning"), |
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JOptionPane.WARNING_MESSAGE);
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return;
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} |
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// Creates and displays the configuration panel
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PluginServices.getMDIManager() |
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.addWindow(new BufferConfigurationPanel((FLyrVect[]) usefulLayers.toArray(new FLyrVect[0]), |
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view)); |
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} |
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} |
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} |
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/*
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* @see com.iver.andami.plugins.IExtension#isVisible()
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*/
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public boolean isVisible() { |
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IWindow f = PluginServices.getMDIManager().getActiveWindow(); |
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if (f == null) { |
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return false; |
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} |
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if (f instanceof IView) { |
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IView vista = (IView) f; |
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ViewDocument model = vista.getViewDocument(); |
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MapContext mapa = model.getMapContext(); |
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return mapa.getLayers().getLayersCount() > 0; |
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} |
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return false; |
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} |
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/*
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* @see com.iver.andami.plugins.IExtension#isEnabled()
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*/
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public boolean isEnabled() { |
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IWindow f = PluginServices.getMDIManager().getActiveWindow(); |
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if (f == null) { |
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return false; |
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} |
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if (f instanceof IView) { |
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IView vista = (IView) f; |
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ViewDocument model = vista.getViewDocument(); |
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/*
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* Unavaliable tool with views in geographic projections
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*/
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if (!(vista.getMapControl().getProjection().isProjected())) {
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return false; |
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} |
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MapContext mapa = model.getMapContext(); |
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FLayer layers[] = mapa.getLayers().getActives();
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FLayer layer; |
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for (int i = 0; i < layers.length; i++) { |
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layer = layers[i]; |
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if ((layer instanceof FLyrVect) && (layer.isAvailable()) |
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&& (layer.isActive())) |
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return true; |
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} |
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} |
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return false; |
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} |
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} |