Application: gvSIG desktop

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 */

package org.gvsig.daltransform.swing.impl;

import java.awt.Dimension;

import java.awt.FlowLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.beans.PropertyChangeListener;

import java.util.ArrayList;

import java.util.List;

import javax.swing.Action;

import javax.swing.ComboBoxModel;

import javax.swing.JButton;

import javax.swing.JComboBox;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

import javax.swing.border.EmptyBorder;

import javax.swing.event.ListDataListener;

import javax.swing.event.ListSelectionEvent;

import javax.swing.event.ListSelectionListener;

import org.gvsig.app.ApplicationLocator;

import org.gvsig.app.ApplicationManager;

import org.gvsig.app.project.Project;

import org.gvsig.app.project.documents.Document;

import org.gvsig.app.project.documents.table.TableDocument;

import org.gvsig.app.project.documents.table.TableManager;

import org.gvsig.app.project.documents.view.ViewDocument;

import org.gvsig.app.project.documents.view.ViewManager;

import org.gvsig.daltransform.DataTransformLocator;

import org.gvsig.daltransform.swing.JDataTransformList;

import org.gvsig.daltransform.swing.JDialogDataTransformList;

import org.gvsig.fmap.dal.feature.FeatureStore;

import org.gvsig.fmap.dal.feature.FeatureStoreTransforms;

import org.gvsig.fmap.mapcontext.layers.FLayer;

import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect;

import org.gvsig.i18n.Messages;

import org.gvsig.tools.swing.api.ToolsSwingLocator;

import org.gvsig.tools.swing.api.usability.UsabilitySwingManager;

/**

 * @author gvSIG Team

 * @version $Id$

 * 

 */

public class DefaultJDialogDataTransformList extends JDialogDataTransformList {

    private static final long serialVersionUID = 8666781163497235054L;

    private JDataTransformList transforms = null;

    private JButton botonEliminar;

    private JButton botonCerrar;

    private JComboBox comboBox;

    public DefaultJDialogDataTransformList() {

        super();

        initComponents();

        createGUI();

    }

    private class MyComboBoxItem {

        private String label;

        private FeatureStore store;

        MyComboBoxItem(String label, FeatureStore store) {

            this.label = label;

            this.store = store;

        }

        @Override

        public String toString() {

            return label;

        }

        public FeatureStore getStore() {

            return this.store;

        }

    }

    private class MyComboBoxModel implements ComboBoxModel {

        private List<MyComboBoxItem> items = new ArrayList<MyComboBoxItem>();

        private MyComboBoxItem selected = null;

        public MyComboBoxModel(List<MyComboBoxItem> items) {

            this.items.addAll(items);

        }

        public Object getSelectedItem() {

            return this.selected;

        }

        public MyComboBoxItem getSelected() {

            return this.selected;

        }

        public void setSelectedItem(Object arg0) {

            this.selected = (MyComboBoxItem) arg0;

        }

        public Object getElementAt(int arg0) {

            return this.items.get(arg0);

        }

        public MyComboBoxItem get(int arg0) {

            return this.items.get(arg0);

        }

        public int getSize() {

            return this.items.size();

        }

        public void removeListDataListener(ListDataListener arg0) {

            // TODO Auto-generated method stub

        }

        public void addListDataListener(ListDataListener arg0) {

            // TODO Auto-generated method stub

        }

    }

    private void initComponents() {

        MyComboBoxModel comboModel = new MyComboBoxModel(getAllStores());

        comboBox = new JComboBox(comboModel);

        comboBox.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {

                JComboBox jcmbType = (JComboBox) e.getSource();

                MyComboBoxModel model = (MyComboBoxModel) jcmbType.getModel();

                updatePanel(model.getSelected().getStore());

            }

        });

        if (comboModel.getSize() > 0) {

            transforms =

                DataTransformLocator.getDataTransformManager()

                    .createJDataTransformList(comboModel.get(0).getStore());

            comboModel.setSelectedItem(comboModel.get(0));

        }

        if (transforms != null) {

            transforms.addListSelectionListener(new ListSelectionHandler());

        }

    }

    private List<MyComboBoxItem> getAllStores() {

        List<MyComboBoxItem> stores = new ArrayList<MyComboBoxItem>();

        ApplicationManager application = ApplicationLocator.getManager();

        Project project = application.getCurrentProject();

        List<Document> views = project.getDocuments(ViewManager.TYPENAME);

        for (Document doc : views) {

            ViewDocument viewDocument = (ViewDocument) doc;

            FLayer[] layers =

                viewDocument.getMapContext().getLayers().getVisibles();

            if (layers.length > 1) {

                for (int i = 1; i < layers.length; i++) {

                    if (layers[i] instanceof FLyrVect) {

                        FLyrVect layer = (FLyrVect) layers[i];

                        stores.add(new MyComboBoxItem(layer.getName(), layer

                            .getFeatureStore()));

                    }

                }

            }

        }

        List<Document> tables = project.getDocuments(TableManager.TYPENAME);

        for (Document doc : tables) {

            TableDocument tableDocument = (TableDocument) doc;

            stores.add(new MyComboBoxItem(doc.getName(), tableDocument

                .getStore()));

        }

        return stores;

    }

    private void createGUI() {

        java.awt.GridBagConstraints gridBagConstraints;

        this.setLayout(new java.awt.GridBagLayout());

        // Add an empty margin

        this.setBorder(new EmptyBorder(15, 15, 15, 15));

        UsabilitySwingManager usabilitymanager =

            ToolsSwingLocator.getUsabilitySwingManager();

        JLabel layerText = new JLabel(Messages.getText("select_layer"));

        JLabel transformText = new JLabel(Messages.getText("select_transform"));

        JPanel botones = new JPanel();

        gridBagConstraints = new java.awt.GridBagConstraints();

        gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;

        gridBagConstraints.gridx = 0;

        gridBagConstraints.gridy = 0;

        gridBagConstraints.weightx = 0.0;

        gridBagConstraints.weighty = 0.0;

        gridBagConstraints.insets = new java.awt.Insets(2, 2, 2, 2);

        this.add(layerText, gridBagConstraints);

        gridBagConstraints = new java.awt.GridBagConstraints();

        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;

        gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;

        gridBagConstraints.gridx = 0;

        gridBagConstraints.gridy = 1;

        gridBagConstraints.weightx = 1.0;

        gridBagConstraints.weighty = 0.0;

        gridBagConstraints.insets = new java.awt.Insets(5, 5, 5, 5);

        this.add(comboBox, gridBagConstraints);

        gridBagConstraints = new java.awt.GridBagConstraints();

        gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;

        gridBagConstraints.gridx = 0;

        gridBagConstraints.gridy = 2;

        gridBagConstraints.weightx = 0.0;

        gridBagConstraints.weighty = 0.0;

        gridBagConstraints.insets = new java.awt.Insets(10, 2, 5, 2);

        this.add(transformText, gridBagConstraints);

        gridBagConstraints = new java.awt.GridBagConstraints();

        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;

        gridBagConstraints.anchor = java.awt.GridBagConstraints.CENTER;

        gridBagConstraints.gridx = 0;

        gridBagConstraints.gridy = 3;

        gridBagConstraints.weightx = 1.0;

        gridBagConstraints.weighty = 1.0;

        gridBagConstraints.insets = new java.awt.Insets(2, 2, 2, 2);

        if (transforms != null) {

            JScrollPane scroller = new JScrollPane(transforms);

            this.add(scroller, gridBagConstraints);

        } else {

            JPanel emptyPanel = new JPanel();

            this.add(emptyPanel, gridBagConstraints);

        }

        botones.setLayout(new FlowLayout(FlowLayout.RIGHT, 5, 0));

        botonCerrar = usabilitymanager.createJButton(new ActionClose(this));

        botonCerrar.setText(Messages.getText("close"));

        botonEliminar = usabilitymanager.createJButton(new ActionRemove(this));

        botonEliminar.setText(Messages.getText("remove"));

        botones.add(botonEliminar);

        botones.add(botonCerrar);

        botonEliminar.setEnabled(false);

        gridBagConstraints = new java.awt.GridBagConstraints();

        gridBagConstraints.gridx = 0;

        gridBagConstraints.gridy = 4;

        gridBagConstraints.anchor = java.awt.GridBagConstraints.SOUTH;

        gridBagConstraints.weightx = 0.0;

        gridBagConstraints.weighty = 0.0;

        gridBagConstraints.insets = new java.awt.Insets(10, 2, 2, 2);

        this.add(botones, gridBagConstraints);

        botonEliminar.setEnabled(false);

        updatePanel(null);

    }

    class ListSelectionHandler implements ListSelectionListener {

        public void valueChanged(ListSelectionEvent e) {

            if ((transforms != null) && (transforms.getSelected() != null)) {

                if (transforms.isLastTransform(transforms.getSelected())) {

                    botonEliminar.setEnabled(true);

                    return;

                }

            }

            botonEliminar.setEnabled(false);

        }

    }

    @Override

    public Dimension getPreferredSize() {

        return new Dimension(250, 300);

    }

    private class ActionRemove implements Action {

        private DefaultJDialogDataTransformList parent;

        public ActionRemove(DefaultJDialogDataTransformList parent) {

            this.parent = parent;

        }

        public void addPropertyChangeListener(PropertyChangeListener listener) {

        }

        public Object getValue(String key) {

            return null;

        }

        public boolean isEnabled() {

            return true;

        }

        public void putValue(String key, Object value) {

        }

        public void removePropertyChangeListener(PropertyChangeListener listener) {

        }

        public void setEnabled(boolean b) {

        }

        public void actionPerformed(ActionEvent e) {

            if (this.parent.transforms.getSelected() != null) {

                this.parent.transforms.remove(this.parent.transforms

                    .getSelected());

            }

            updatePanel(null);

        }

    }

    private class ActionClose implements Action {

        private DefaultJDialogDataTransformList parent;

        public ActionClose(DefaultJDialogDataTransformList parent) {

            this.parent = parent;

        }

        public void addPropertyChangeListener(PropertyChangeListener listener) {

        }

        public Object getValue(String key) {

            return null;

        }

        public boolean isEnabled() {

            return true;

        }

        public void putValue(String key, Object value) {

        }

        public void removePropertyChangeListener(PropertyChangeListener listener) {

        }

        public void setEnabled(boolean b) {

        }

        public void actionPerformed(ActionEvent e) {

            this.parent.setVisible(false);

        }

    }

    private void updatePanel(FeatureStore store) {

        if (transforms != null) {

            if (store != null) {

                FeatureStoreTransforms layerTransforms = store.getTransforms();

                transforms.changeStore(store);

                transforms.removeAllTransforms();

                transforms.addTransforms(layerTransforms);

            }

            // disable the remove button if the transforms list is empty

            if (transforms.getSelected() != null) {

                botonEliminar.setEnabled(transforms.getTransformsCount() > 0);

            }

        } else {

            botonEliminar.setEnabled(false);

        }

    }

    @Override

    public void setDeleteButton(boolean active) {

        botonEliminar.setEnabled(active);

    }

}