package org.greenstone.gatherer.gui;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import javax.swing.*;
import org.greenstone.gatherer.Configuration;
import org.greenstone.gatherer.Dictionary;
import org.greenstone.gatherer.Gatherer;
import org.greenstone.gatherer.metadata.MetadataElement;
import org.greenstone.gatherer.metadata.MetadataSet;
import org.greenstone.gatherer.metadata.MetadataSetManager;
import org.greenstone.gatherer.metadata.MetadataTools;
public class MetadataImportMappingPrompt
implements ActionListener
{
final static public int ADD_BUTTON_PRESSED = 0;
final static public int MERGE_BUTTON_PRESSED = 1;
final static public int IGNORE_BUTTON_PRESSED = 2;
final static private Dimension DIALOG_SIZE = new Dimension(640, 180);
private int result;
private String metadata_element_name_full = null;
private GComboBox metadata_sets_combobox = null;
private GComboBox metadata_elements_combobox = null;
private JButton add_button = null;
private JButton merge_button = null;
private JButton ignore_button = null;
private JDialog on_screen = null;
public MetadataImportMappingPrompt(String metadata_element_name_full)
{
this.metadata_element_name_full = metadata_element_name_full;
// Construction and configuration
JDialog dialog = new ModalDialog(Gatherer.g_man);
dialog.setModal(true);
dialog.setSize(DIALOG_SIZE);
dialog.setJMenuBar(new SimpleMenuBar("importingpreviouslyassignedmetadata"));
dialog.setTitle(Dictionary.get("MIMP.Title"));
// All the loaded metadata sets except the extracted metadata set are applicable
ArrayList metadata_sets = MetadataSetManager.getMetadataSets();
for (int i = metadata_sets.size() - 1; i >= 0; i--) {
if (((MetadataSet) metadata_sets.get(i)).getNamespace().equals(MetadataSetManager.EXTRACTED_METADATA_NAMESPACE)) {
metadata_sets.remove(i);
}
}
add_button = new GLIButton(Dictionary.get("MIMP.Add"), Dictionary.get("MIMP.Add_Tooltip"));
add_button.addActionListener(this);
merge_button = new GLIButton(Dictionary.get("MIMP.Merge"), Dictionary.get("MIMP.Merge_Tooltip"));
merge_button.addActionListener(this);
merge_button.setEnabled(true);
ignore_button = new GLIButton(Dictionary.get("MIMP.Ignore"), Dictionary.get("MIMP.Ignore_Tooltip"));
ignore_button.addActionListener(this);
ignore_button.setEnabled(true);
// !! Need to add instructions: "MIMP.Instructions", args: source elem
metadata_elements_combobox = new GComboBox();
metadata_sets_combobox = new GComboBox(metadata_sets);
metadata_sets_combobox.addActionListener(new MetadataSetListSelectionListener());
metadata_sets_combobox.setSelectedIndex(0);
// Layout
JPanel left_pane = new JPanel();
left_pane.setLayout(new GridLayout(3,1));
left_pane.add(new JLabel(Dictionary.get("MIMP.Source_Element")));
left_pane.add(new JLabel(Dictionary.get("MIMP.Target_Set")));
left_pane.add(new JLabel(Dictionary.get("MIMP.Target_Element")));
JPanel right_pane = new JPanel();
right_pane.setLayout(new GridLayout(3,1));
right_pane.add(new JLabel(metadata_element_name_full));
right_pane.add(metadata_sets_combobox);
right_pane.add(metadata_elements_combobox);
JPanel button_pane = new JPanel();
button_pane.setBorder(BorderFactory.createEmptyBorder(0,5,5,5));
button_pane.setLayout(new GridLayout(1,3));
button_pane.add(add_button);
button_pane.add(merge_button);
button_pane.add(ignore_button);
JPanel content_pane = (JPanel) dialog.getContentPane();
content_pane.setLayout(new BorderLayout());
content_pane.setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
content_pane.add(left_pane, BorderLayout.WEST);
content_pane.add(right_pane, BorderLayout.CENTER);
content_pane.add(button_pane, BorderLayout.SOUTH);
// Display
Dimension screen_size = Configuration.screen_size;
dialog.setLocation((screen_size.width - DIALOG_SIZE.width) / 2, (screen_size.height - DIALOG_SIZE.height) / 2);
on_screen = dialog;
on_screen.setVisible(true); // Blocks until hidden.
on_screen.dispose();
on_screen = null;
}
/** Any implementation of ActionListener must include this method so that we can be informed when an action has occured.
* @param event An ActionEvent containing information gatherer when this event occured.
*/
public void actionPerformed(ActionEvent event)
{
Object esrc = event.getSource();
if (esrc == add_button) {
result = ADD_BUTTON_PRESSED;
}
if (esrc == merge_button) {
result = MERGE_BUTTON_PRESSED;
}
if (esrc == ignore_button) {
result = IGNORE_BUTTON_PRESSED;
}
on_screen.setVisible(false);
}
public MetadataElement getSelectedMetadataElement()
{
return (MetadataElement) metadata_elements_combobox.getSelectedItem();
}
public MetadataSet getSelectedMetadataSet()
{
return (MetadataSet) metadata_sets_combobox.getSelectedItem();
}
public int getResult()
{
return result;
}
private class MetadataSetListSelectionListener
implements ActionListener
{
public void actionPerformed(ActionEvent event)
{
boolean enable_add_button = true;
String metadata_element_name = MetadataTools.getMetadataElementName(metadata_element_name_full);
MetadataSet metadata_set = (MetadataSet) metadata_sets_combobox.getSelectedItem();
ArrayList metadata_elements = metadata_set.getMetadataSetElements();
metadata_elements_combobox.removeAllItems();
for (int i = 0; i < metadata_elements.size(); i++) {
MetadataElement metadata_element = (MetadataElement) metadata_elements.get(i);
metadata_elements_combobox.addItem(metadata_element);
if (metadata_element.getName().equals(metadata_element_name)) {
metadata_elements_combobox.setSelectedIndex(i);
enable_add_button = false;
}
}
add_button.setEnabled(enable_add_button);
// are there any elements in the set? if not (e.g. with exp set),
// disable merge
if (metadata_elements.size()==0) {
merge_button.setEnabled(false);
}
}
}
}