// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.gui.io;
import static org.openstreetmap.josm.tools.I18n.tr;
import java.awt.BorderLayout;
import java.awt.GridBagLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.FocusAdapter;
import java.awt.event.FocusEvent;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
import java.util.Observable;
import java.util.Observer;
import javax.swing.Action;
import javax.swing.BorderFactory;
import javax.swing.JLabel;
import javax.swing.JPanel;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.gui.widgets.HistoryComboBox;
import org.openstreetmap.josm.tools.CheckParameterUtil;
import org.openstreetmap.josm.tools.GBC;
/**
* BasicUploadSettingsPanel allows to enter the basic parameters required for uploading
* data.
*
*/
public class BasicUploadSettingsPanel extends JPanel {
public static final String HISTORY_KEY = "upload.comment.history";
/** the history combo box for the upload comment */
private HistoryComboBox hcbUploadComment;
/** the panel with a summary of the upload parameters */
private UploadParameterSummaryPanel pnlUploadParameterSummary;
/** the changset comment model */
private ChangesetCommentModel changesetCommentModel;
protected JPanel buildUploadCommentPanel() {
JPanel pnl = new JPanel();
pnl.setLayout(new GridBagLayout());
pnl.add(new JLabel(tr("Provide a brief comment for the changes you are uploading:")), GBC.eol().insets(0, 5, 10, 3));
hcbUploadComment = new HistoryComboBox();
hcbUploadComment.setToolTipText(tr("Enter an upload comment (min. 3 characters)"));
List<String> cmtHistory = new LinkedList<String>(Main.pref.getCollection(HISTORY_KEY, new LinkedList<String>()));
// we have to reverse the history, because ComboBoxHistory will reverse it again
// in addElement()
//
Collections.reverse(cmtHistory);
hcbUploadComment.setPossibleItems(cmtHistory);
hcbUploadComment.getEditor().addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
changesetCommentModel.setComment(hcbUploadComment.getText());
}
}
);
hcbUploadComment.getEditor().getEditorComponent().addFocusListener(
new FocusAdapter() {
@Override
public void focusLost(FocusEvent e) {
changesetCommentModel.setComment(hcbUploadComment.getText());
}
}
);
pnl.add(hcbUploadComment, GBC.eol().fill(GBC.HORIZONTAL));
return pnl;
}
protected void build() {
setLayout(new BorderLayout());
setBorder(BorderFactory.createEmptyBorder(3,3,3,3));
add(buildUploadCommentPanel(), BorderLayout.NORTH);
add(pnlUploadParameterSummary = new UploadParameterSummaryPanel(), BorderLayout.CENTER);
}
/**
* Creates the panel
*
* @param changesetCommentModel the model for the changeset comment. Must not be null
* @throws IllegalArgumentException thrown if {@code changesetCommentModel} is null
*/
public BasicUploadSettingsPanel(ChangesetCommentModel changesetCommentModel) {
CheckParameterUtil.ensureParameterNotNull(changesetCommentModel, "changesetCommentModel");
this.changesetCommentModel = changesetCommentModel;
changesetCommentModel.addObserver(new ChangesetCommentObserver());
build();
}
public void setUploadCommentDownFocusTraversalHandler(final Action handler) {
hcbUploadComment.getEditor().addActionListener(handler);
hcbUploadComment.getEditor().getEditorComponent().addKeyListener(
new KeyListener() {
public void keyTyped(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_TAB) {
handler.actionPerformed(new ActionEvent(hcbUploadComment,0, "focusDown"));
}
}
public void keyReleased(KeyEvent e) {}
public void keyPressed(KeyEvent e) {}
}
);
}
/**
* Remembers the user input in the preference settings
*/
public void rememberUserInput() {
// store the history of comments
hcbUploadComment.addCurrentItemToHistory();
Main.pref.putCollection(HISTORY_KEY, hcbUploadComment.getHistory());
}
/**
* Initializes the panel for user input
*/
public void startUserInput() {
List<String> history = hcbUploadComment.getHistory();
if (history != null && !history.isEmpty()) {
hcbUploadComment.setText(history.get(0));
}
hcbUploadComment.requestFocusInWindow();
hcbUploadComment.getEditor().getEditorComponent().requestFocusInWindow();
}
public void initEditingOfUploadComment() {
hcbUploadComment.getEditor().selectAll();
hcbUploadComment.requestFocusInWindow();
}
public UploadParameterSummaryPanel getUploadParameterSummaryPanel() {
return pnlUploadParameterSummary;
}
/**
* Observes the changeset comment model and keeps the comment input field
* in sync with the current changeset comment
*/
class ChangesetCommentObserver implements Observer {
public void update(Observable o, Object arg) {
if (!(o instanceof ChangesetCommentModel)) return;
String newComment = (String)arg;
if (!hcbUploadComment.getText().equals(newComment)) {
hcbUploadComment.setText(newComment);
}
}
}
}