root / tags / v1_0_RELEASE / extensions / extGeoProcessing / src / com / iver / cit / gvsig / geoprocess / core / gui / AbstractGeoprocessGridbagPanel.java @ 9167
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/*
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* Created on 30-jun-2006
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*
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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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/* CVS MESSAGES:
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*
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* $Id: AbstractGeoprocessGridbagPanel.java 9167 2006-12-04 16:01:24Z $
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* $Log$
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* Revision 1.1.2.1 2006-11-15 00:08:17 jjdelcerro
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* *** empty log message ***
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*
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* Revision 1.2 2006/09/15 10:42:54 caballero
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* extensibilidad de documentos
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*
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* Revision 1.1 2006/08/11 16:11:38 azabala
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* first version in cvs
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*
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* Revision 1.2 2006/07/04 16:43:18 azabala
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* *** empty log message ***
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*
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* Revision 1.1 2006/07/03 20:28:20 azabala
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* *** empty log message ***
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*
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*
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*/
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package com.iver.cit.gvsig.geoprocess.core.gui; |
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import java.awt.BorderLayout; |
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import java.awt.Component; |
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import java.awt.GridBagConstraints; |
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import java.awt.Insets; |
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import java.awt.Rectangle; |
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import java.awt.event.ItemEvent; |
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import java.awt.event.ItemListener; |
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import java.io.File; |
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import java.io.FileNotFoundException; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import javax.swing.BorderFactory; |
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import javax.swing.DefaultComboBoxModel; |
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import javax.swing.JButton; |
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import javax.swing.JCheckBox; |
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import javax.swing.JComboBox; |
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import javax.swing.JFileChooser; |
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import javax.swing.JLabel; |
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import javax.swing.JOptionPane; |
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import javax.swing.JPanel; |
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import javax.swing.JTextField; |
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import javax.swing.border.EtchedBorder; |
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import org.gvsig.gui.beans.swing.GridBagLayoutPanel; |
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import com.iver.andami.PluginServices; |
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import com.iver.cit.gvsig.fmap.DriverException; |
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import com.iver.cit.gvsig.fmap.drivers.DriverIOException; |
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import com.iver.cit.gvsig.fmap.layers.FBitSet; |
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import com.iver.cit.gvsig.fmap.layers.FLayer; |
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import com.iver.cit.gvsig.fmap.layers.FLayers; |
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import com.iver.cit.gvsig.fmap.layers.FLyrVect; |
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import com.iver.cit.gvsig.fmap.layers.ReadableVectorial; |
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import com.iver.cit.gvsig.fmap.layers.layerOperations.SingleLayer; |
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import com.iver.cit.gvsig.project.documents.view.legend.CreateSpatialIndexMonitorableTask; |
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import com.iver.utiles.GenericFileFilter; |
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import com.iver.utiles.swing.threads.IMonitorableTask; |
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/**
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* Abstract base panel to easily build GeoprocessPanels
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* (View GUI component with which user could launch a given
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* geoprocess).
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*
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* All panels that extends this class will have a header
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* (textual label that describes the geoprocess).
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*
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* In the next row, they will have a layer combo box, where users could
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* select the input layer of the geoprocess (all geoprocesses at least
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* will work with an input layer), and a check box to specify working only
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* with input layer selection.
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*
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* Nex, each descendant panels must implement addSpecificDesign()
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* abstract method, to add specific components with which users could
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* introduce the information needed by the geoprocess.
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*
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* Finally, the last row has a panel to allow users to select where
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* to save the results of the geoprocess.
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*
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*
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*
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* @author azabala
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*
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*/
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public abstract class AbstractGeoprocessGridbagPanel extends GridBagLayoutPanel implements |
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IGeoprocessPanel{ |
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protected final int DEFAULT_FILL = GridBagConstraints.BOTH; |
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/**
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* textual description of the associated geoprocess
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*/
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protected String titleText; |
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/**
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* View's layers showed in TOC
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*/
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protected FLayers layers;
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/**
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* Combo box to show layer names to user
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*/
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protected JComboBox layersComboBox; |
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/**
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* Check box to specify that geoprocess will only process
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* input layer selection
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*/
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protected JCheckBox selectedOnlyCheckBox; |
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/**
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* Shows the number of selected features of input layer
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*/
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protected JLabel numSelectedLabel; |
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/**
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* Text field to show user the full path (or a representative string)
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* of the result layer selection
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*/
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protected JTextField resultTf; |
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/**
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* Default constructor
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*
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*/
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public AbstractGeoprocessGridbagPanel(FLayers layers, String titleText) { |
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super();
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this.layers = layers;
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this.titleText = titleText;
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initialize(); |
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} |
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protected void initialize(){ |
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Insets insets = new Insets(5, 5, 5, 5); |
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addComponent(new JLabel(titleText), insets); |
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JLabel firstLayerLab = new JLabel(PluginServices. |
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getText(this, "Cobertura_de_entrada")+":"); |
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JComboBox layersComboBox = getLayersComboBox();
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addComponent(firstLayerLab, layersComboBox, GridBagConstraints.BOTH, insets);
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addComponent(getSelectedOnlyCheckBox(), GridBagConstraints.BOTH, insets);
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String numSelectedText = PluginServices.
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getText(this, "Numero_de_elementos_seleccionados") + ":"; |
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numSelectedLabel = new JLabel("00"); |
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addComponent(numSelectedText, numSelectedLabel, insets); |
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addSpecificDesign(); |
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JPanel aux = new JPanel(new BorderLayout()); |
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String resultLayerText = PluginServices.
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getText(this, "Cobertura_de_salida") + ":"; |
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resultTf = getFileNameResultTextField(); |
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JButton openButton = getOpenResultButton();
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aux.add(resultTf, BorderLayout.WEST);
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aux.add(new JLabel(" "), BorderLayout.CENTER); |
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aux.add(openButton, BorderLayout.EAST);
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addComponent(resultLayerText, aux, GridBagConstraints.HORIZONTAL, insets );
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setBounds(0, 0, 520, 410); |
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} |
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protected void initSelectedItemsJCheckBox() { |
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String selectedLayer = (String) layersComboBox.getSelectedItem(); |
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FLyrVect inputLayer = (FLyrVect) layers.getLayer(selectedLayer); |
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FBitSet fBitSet = null;
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try {
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fBitSet = inputLayer.getRecordset().getSelection(); |
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} catch (DriverException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} |
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if (fBitSet.cardinality() == 0) { |
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selectedOnlyCheckBox.setEnabled(false);
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selectedOnlyCheckBox.setSelected(false);
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} else {
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selectedOnlyCheckBox.setEnabled(true);
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selectedOnlyCheckBox.setSelected(true);
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} |
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selectedOnlyCheckBox.setSelected(false);
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updateNumSelectedFeaturesLabel(); |
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} |
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protected void updateNumSelectedFeaturesLabel() { |
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if (selectedOnlyCheckBox.isSelected()) {
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FLyrVect inputSelectable = (FLyrVect)(layers.getLayer((String)layersComboBox.getSelectedItem()));
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FBitSet fBitSet = null;
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try {
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fBitSet = inputSelectable.getRecordset().getSelection(); |
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} catch (DriverException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} |
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numSelectedLabel.setText(new Integer(fBitSet.cardinality()).toString()); |
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} else {
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ReadableVectorial va = ((SingleLayer)(layers. |
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getLayer((String)layersComboBox.
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getSelectedItem()))). |
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getSource(); |
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try {
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numSelectedLabel.setText(new Integer(va.getShapeCount()).toString()); |
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} catch (DriverIOException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} |
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} |
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} |
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private JButton getOpenResultButton() { |
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JButton openResultButton = new JButton(); |
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openResultButton.setText(PluginServices.getText(this, "Abrir")); |
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openResultButton.addActionListener(new java.awt.event.ActionListener() {
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public void actionPerformed(java.awt.event.ActionEvent e) { |
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openResultFile(); |
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} |
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} |
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); |
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return openResultButton;
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} |
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/**
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* This method must be overwrited by all descendant classes to
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* add specific desing of each Geoprocess Panel.
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*/
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protected abstract void addSpecificDesign(); |
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/**
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* Returns the layer selected in layer combo box
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*
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* @return
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*/
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public FLyrVect getInputLayer() {
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FLyrVect solution = null;
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String selectedLayer = (String) layersComboBox.getSelectedItem(); |
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solution = (FLyrVect) layers.getLayer(selectedLayer); |
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return solution;
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} |
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/**
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* Sets view's layers from the TOC
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*
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* @param layers
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*/
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public void setFLayers(FLayers layers) { |
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this.layers = layers;
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} |
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/**
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* Returns layers.
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*
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* @return
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*/
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public FLayers getFLayers() {
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return layers;
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} |
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/**
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* Filters TOC layers to get only FLyrVect layers.
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*
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* @param layers
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* @return
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*
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* FIXME Mover a una utility class
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*/
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protected FLyrVect[] getVectorialLayers(FLayers layers) { |
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FLyrVect[] solution = null; |
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ArrayList list = new ArrayList(); |
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int numLayers = layers.getLayersCount();
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for (int i = 0; i < numLayers; i++) { |
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FLayer layer = layers.getLayer(i); |
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if (layer instanceof FLyrVect) |
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list.add(layer); |
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else if (layer instanceof FLayers) |
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list.addAll(Arrays.asList(getVectorialLayers((FLayers) layer)));
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} |
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solution = new FLyrVect[list.size()];
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list.toArray(solution); |
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return solution;
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} |
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/**
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* Obtains layer names from FLayers and returns like an array of strings.
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*
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* @return
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*
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* TODO Llevar a una utility class
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*/
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protected String[] getLayerNames() { |
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String[] solution = null; |
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int numLayers = layers.getLayersCount();
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if (layers != null && numLayers > 0) { |
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ArrayList list = new ArrayList(); |
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for (int i = 0; i < numLayers; i++) { |
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FLayer layer = layers.getLayer(i); |
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if (layer instanceof FLyrVect) |
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list.add(layer.getName()); |
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if (layer instanceof FLayers) { |
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FLayers layers = (FLayers) layer; |
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FLyrVect[] vectorials = getVectorialLayers(layers);
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for (int j = 0; j < vectorials.length; j++) { |
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list.add(vectorials[j].getName()); |
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} |
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} |
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}// for
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solution = new String[list.size()]; |
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list.toArray(solution); |
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} |
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return solution;
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} |
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/**
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* Shows to the user a dialog error, whith the title and message body
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* specified as parameters.
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*
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* @param message
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* body of the error message
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* @param title
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* title of the error message
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*/
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public void error(String message, String title) { |
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JOptionPane.showMessageDialog(this, message, title, |
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JOptionPane.ERROR_MESSAGE);
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} |
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/**
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* Asks to the user for the creation of a spatial index for the specified
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* layer. It will be of help for certain geoprocesses.
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*
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* FLyrVect default spatial index is MapServer quadtree, that hasnt the
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* ability to do nearest neighbour searches.
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*
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* For those geoprocesses that needs it (NN searches) overwrite this method
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* and use JSI RTree, or SIL RTree.
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*
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* It returns an IMonitorableTask, a task to build the spatial index in
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* background.
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*
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* @param layer
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* @return an ITask
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*/
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public IMonitorableTask askForSpatialIndexCreation(FLyrVect layer) {
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String title = PluginServices.getText(this, "Crear_Indice"); |
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String confirmDialogText = PluginServices.getText(this, |
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"Crear_Indice_Pregunta_1")
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+ " "
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+ layer.getName() |
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+ " "
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+ PluginServices.getText(this, "Crear_Indice_Pregunta_2"); |
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int option = JOptionPane.showConfirmDialog(this, confirmDialogText, |
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title, JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE, |
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null);
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if (option == JOptionPane.YES_OPTION) { |
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// Usually we want task like spatial index creation dont block
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// GUI responses. Now, we dont want to start geoprocess execution
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// until spatial index creation would finish, to have advantage
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// of the spatial index
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try {
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CreateSpatialIndexMonitorableTask task = new CreateSpatialIndexMonitorableTask(
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layer); |
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return task;
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} catch (DriverIOException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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return null; |
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} catch (DriverException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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return null; |
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} |
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} else
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return null; |
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} |
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/**
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* Confirm overwrite the output file if it allready exist.
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*
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*
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* @param outputFile
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* @return answer
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*/
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public boolean askForOverwriteOutputFile(File outputFile) { |
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String title = PluginServices.getText(this, "Sobreescribir_fichero"); |
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String confirmDialogText = PluginServices.getText(this, |
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"Sobreescribir_fichero_Pregunta_1")
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+ "\n'"
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+ outputFile.getAbsolutePath() |
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+ "'\n"
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+ PluginServices.getText(this,
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"Sobreescribir_fichero_Pregunta_2");
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int option = JOptionPane.showConfirmDialog(this, confirmDialogText, |
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title, JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE, |
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null);
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if (option == JOptionPane.YES_OPTION) { |
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return true; |
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} |
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return false; |
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} |
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|
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|
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/**
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* Opens a dialog to select where (file, database, etc)
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* to save the result layer.
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*
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*/
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public void openResultFile() { |
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JFileChooser jfc = new JFileChooser(); |
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jfc |
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.addChoosableFileFilter(new GenericFileFilter("shp", |
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"Ficheros SHP"));
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if (jfc.showSaveDialog((Component) PluginServices.getMainFrame()) == JFileChooser.APPROVE_OPTION) { |
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File file = jfc.getSelectedFile();
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if (!(file.getPath().endsWith(".shp") || file.getPath().endsWith( |
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".SHP"))) {
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file = new File(file.getPath() + ".shp"); |
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} |
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}// if
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if (jfc.getSelectedFile() != null) { |
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getFileNameResultTextField().setText( |
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jfc.getSelectedFile().getAbsolutePath()); |
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} |
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|
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} |
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|
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|
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protected JTextField getFileNameResultTextField() { |
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if(resultTf == null) |
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resultTf = new JTextField(25); |
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return resultTf;
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} |
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|
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public File getOutputFile() throws FileNotFoundException{ |
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String fileName = getFileNameResultTextField().getText();
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if(fileName.length() == 0){ |
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throw new FileNotFoundException("No se ha seleccionado ningun fichero de salida"); |
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} |
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if(! fileName.endsWith(".shp")){ |
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if(! fileName.endsWith(".")) |
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fileName += ".";
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fileName += "shp";
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} |
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return new File(fileName); |
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} |
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|
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protected JComboBox getLayersComboBox() { |
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if (layersComboBox == null) { |
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layersComboBox = new JComboBox(); |
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DefaultComboBoxModel defaultModel = new DefaultComboBoxModel( |
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getLayerNames()); |
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layersComboBox.setModel(defaultModel); |
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layersComboBox.setBounds(142, 63, 260, 21); |
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layersComboBox.addItemListener(new java.awt.event.ItemListener() {
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public void itemStateChanged(ItemEvent e) { |
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if (e.getStateChange() == ItemEvent.SELECTED) { |
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initSelectedItemsJCheckBox(); |
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updateNumSelectedFeaturesLabel(); |
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processLayerComboBoxStateChange(e); |
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} |
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}// itemStateChange
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}); |
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} |
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return layersComboBox;
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} |
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|
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protected JCheckBox getSelectedOnlyCheckBox() { |
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if (selectedOnlyCheckBox == null) { |
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selectedOnlyCheckBox = new JCheckBox(); |
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selectedOnlyCheckBox.addItemListener(new ItemListener(){ |
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public void itemStateChanged(ItemEvent arg0) { |
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updateNumSelectedFeaturesLabel(); |
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}}); |
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selectedOnlyCheckBox.setText(PluginServices.getText(this, "Usar_solamente_los_elementos_seleccionados")); |
526 |
} |
527 |
return selectedOnlyCheckBox;
|
528 |
} |
529 |
|
530 |
public boolean isFirstOnlySelected(){ |
531 |
return getSelectedOnlyCheckBox().isSelected();
|
532 |
} |
533 |
|
534 |
protected abstract void processLayerComboBoxStateChange(ItemEvent e); |
535 |
} |