Application: gvSIG desktop

package org.gvsig.fmap.dal.swing.impl.featuretype;

import java.awt.BorderLayout;

import java.util.Objects;

import javax.swing.JComponent;

import javax.swing.event.ListSelectionEvent;

import javax.swing.event.ListSelectionListener;

import javax.swing.table.AbstractTableModel;

import javax.swing.table.TableModel;

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

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

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

/**

 *

 * @author jjdelcerro

 */

public class DefaultFeatureTypePanel 

        extends FeatureTypePanelView

        implements FeatureTypePanel

    {

    private class FeatureTypeTableModel extends AbstractTableModel {

        private final FeatureType featureType;

        private final String[] columnNames = new String[] {

          "Name",

          "Type",

          "Size",

          "Precision",

          "Default value",

          "Calcualed"

        };

        private final Class[] columnClasses = new Class[] {

          String.class,

          String.class,

          Integer.class,

          Integer.class,

          String.class,

          Boolean.class

        };

        public FeatureTypeTableModel() {

            this.featureType = null;

        }

        public FeatureTypeTableModel(FeatureType featureType) {

            this.featureType = featureType;

        }

        @Override

        public int getRowCount() {

            if( this.featureType==null ) {

                return 0;

            }

            return this.featureType.size();

        }

        @Override

        public int getColumnCount() {

            if( this.featureType==null ) {

                return 0;

            }

            return this.columnNames.length;

        }

        @Override

        public String getColumnName(int columnIndex) {

            if( this.featureType==null ) {

                return "";

            }

            return this.columnNames[columnIndex];

        }

        @Override

        public Class<?> getColumnClass(int columnIndex) {

            if( this.featureType==null ) {

                return String.class;

            }

            return this.columnClasses[columnIndex];

        }

        @Override

        public boolean isCellEditable(int rowIndex, int columnIndex) {

            return false;

        }

        @Override

        public Object getValueAt(int rowIndex, int columnIndex) {

            if( this.featureType==null ) {

                return "";

            }

            FeatureAttributeDescriptor descriptor = this.featureType.getAttributeDescriptor(rowIndex);

            switch(columnIndex) {

                case 0:

                    return descriptor.getName();

                case 1:

                    return descriptor.getDataTypeName();

                case 2:

                    return descriptor.getSize();

                case 3:

                    return descriptor.getPrecision();

                case 4:

                    return Objects.toString(descriptor.getDefaultValue(),"");

                case 5:

                    return descriptor.isComputed();

                default:

                    return "";

            }

        }

        @Override

        public void setValueAt(Object aValue, int rowIndex, int columnIndex) {

        }

    }

    private DefaultFeatureTypeAttributePanel descriptorPanel;

    private FeatureType featureType;

    public DefaultFeatureTypePanel() {

        this.initComponents();

    }

    private void initComponents() {

        TableModel model = new FeatureTypeTableModel();

        this.tblFields.setModel(model);

        this.tblFields.getSelectionModel().addListSelectionListener(new ListSelectionListener() {

            @Override

            public void valueChanged(ListSelectionEvent e) {

                doRowSelected();

            }

        });

        this.descriptorPanel = new DefaultFeatureTypeAttributePanel();

        this.pnlField.setLayout(new BorderLayout());

        this.pnlField.add(this.descriptorPanel, BorderLayout.CENTER);

        this.descriptorPanel.setEnabled(false);

    }

    private void doRowSelected() {

        int row = this.tblFields.getSelectedRow();

        if( row<0 ) {

            return;

        }

        FeatureAttributeDescriptor descriptor = this.featureType.getAttributeDescriptor(row);

        this.descriptorPanel.put(descriptor);

        this.descriptorPanel.setEnabled(true);

    }

    @Override

    public JComponent asJComponent() {

        return this;

    }

    public void setReadonly(boolean readonly) {

    }

    @Override

    public EditableFeatureType fetch(EditableFeatureType type) {

        return type;

    }

    @Override

    public void put(FeatureType type) {

        this.featureType = type;

        TableModel model = new FeatureTypeTableModel(type);

        this.tblFields.setModel(model);

        if( type.size()>0 ) {

            this.tblFields.getSelectionModel().setSelectionInterval(0, 0);

        }

    }

}