/*
* org.openmicroscopy.shoola.util.ui.omeeditpane.OMEEditPane
*
*------------------------------------------------------------------------------
* Copyright (C) 2006-2007 University of Dundee. All rights reserved.
*
*
* 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.openmicroscopy.shoola.util.ui.omeeditpane;
//Java imports
import java.awt.Point;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.util.Map;
import javax.swing.JEditorPane;
import javax.swing.Timer;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
//Third-party libraries
//Application-internal dependencies
/**
* The component where the text is added to.
*
* @author Jean-Marie Burel
* <a href="mailto:j.burel@dundee.ac.uk">j.burel@dundee.ac.uk</a>
* @author Donald MacDonald
* <a href="mailto:donald@lifesci.dundee.ac.uk">donald@lifesci.dundee.ac.uk</a>
* @version 3.0
* <small>
* (<b>Internal version:</b> $Revision: $Date: $)
* </small>
* @since OME3.0
*/
class OMEEditPane
extends JEditorPane//JTextPane
implements ActionListener, FocusListener
{
/** The delay of the timer. */
private static final int DELAY = 400;
/** The type of the document. */
private static String DOC_TYPE = "text/wiki";
/** The editor kit */
private final OMEEditorKit editorKit;
/** Reference to the main component. */
private final OMEWikiComponent component;
/** The timer. */
private Timer timer;
/** Count the number of mouse clicked. */
private int count;
/** The location of the mouse clicked. */
private Point location;
/** Handles mouse pressed. */
private void handleMousePressed()
{
if (timer == null) {
timer = new Timer(DELAY, this);
timer.setRepeats(false);
}
timer.start();
}
/** Updates the component hosting the UI.*/
private void onUpdate()
{
this.component.onUpdate();
}
/**
* Creates a new instance.
* Initializes the default maps and styles.
*
* @param component Reference to the main component.
* @param formatters The formatters for the text.
*/
OMEEditPane(OMEWikiComponent component,
Map<String, FormatSelectionAction> formatters)
{
super();
this.component = component;
editorKit = new OMEEditorKit(formatters);
setEditorKitForContentType(DOC_TYPE, editorKit);
setContentType(DOC_TYPE);
addMouseListener(new MouseAdapter() {
/**
* Starts the timer.
* @see MouseAdapter#mousePressed(MouseEvent)
*/
public void mousePressed(MouseEvent e)
{
handleMousePressed();
count++;
location = e.getPoint();
}
});
addFocusListener(this);
getDocument().addDocumentListener(new DocumentListener() {
@Override
public void removeUpdate(DocumentEvent e) {
onUpdate();
}
@Override
public void insertUpdate(DocumentEvent e) {
onUpdate();
}
@Override
public void changedUpdate(DocumentEvent e) {}
});
}
/**
* Adds the specified formatter.
*
* @param value The value to identify the formatter.
* @param action The action associated.
*/
void addFormatter(String value, FormatSelectionAction action)
{
editorKit.addFormatter(value, action);
}
/**
* Selects the text and sets the position of the caret.
* @see FocusListener#focusGained(FocusEvent)
*/
public void focusGained(FocusEvent e)
{
String text = getText();
if (text != null) {
if (component.getDefaultText().equals(text))
selectAll();
else {
setText(text);
int n = getDocument().getLength();
if (n >= 0) setCaretPosition(n);
}
}
}
/**
* Deselects the text.
* @see FocusListener#focusLost(FocusEvent)
*/
public void focusLost(FocusEvent e) { select(0, 0); }
/**
* Selects the data.
* @see ActionListener#actionPerformed(ActionEvent)
*/
public void actionPerformed(ActionEvent e)
{
if (count == 1 || count == 2) {
int index = viewToModel(location);
WikiView view = editorKit.getView();
SelectionAction action = view.getSelectionAction(index);
component.onSelection(action, view.getSelectedText(index), count);
timer.stop();
count = 0;
}
}
}