/*
* uDig - User Friendly Desktop Internet GIS client
* http://udig.refractions.net
* (C) 2004, Refractions Research Inc.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* (http://www.eclipse.org/legal/epl-v10.html), and the Refractions BSD
* License v1.0 (http://udig.refractions.net/files/bsd3-v10.html).
*
*/
package org.locationtech.udig.printing.ui.internal.editor.parts;
import org.locationtech.udig.printing.model.Box;
import org.locationtech.udig.printing.model.impl.LabelBoxPrinter;
import org.locationtech.udig.printing.ui.internal.editor.figures.BoxFigure;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.gef.GraphicalEditPart;
import org.eclipse.gef.tools.CellEditorLocator;
import org.eclipse.gef.tools.DirectEditManager;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.VerifyEvent;
import org.eclipse.swt.events.VerifyListener;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.FontData;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Text;
/**
* Provides ...TODO summary sentence
* <p>
* TODO Description
* </p><p>
* Responsibilities:
* <ul>
* <li>
* <li>
* </ul>
* </p><p>
* Example Use:<pre><code>
* NodeDirectEditManager x = new NodeDirectEditManager( ... );
* TODO code example
* </code></pre>
* </p>
* @author Richard Gould
* @since 0.3
*/
public class LabelDirectEditManager extends DirectEditManager {
Font scaledFont;
protected VerifyListener verifyListener;
protected BoxFigure nodeFigure;
public LabelDirectEditManager( GraphicalEditPart source, Class editorType, CellEditorLocator locator, BoxFigure nodeFigure) {
super(source, editorType, locator);
this.nodeFigure = nodeFigure;
}
protected void bringDown() {
Font disposeFont = this.scaledFont;
this.scaledFont = null;
super.bringDown();
if (disposeFont != null) {
disposeFont.dispose();
}
}
protected void unhookListeners() {
super.unhookListeners();
Text text = (Text) getCellEditor().getControl();
text.removeVerifyListener(verifyListener);
verifyListener = null;
}
protected void initCellEditor() {
verifyListener = new VerifyListener(){
public void verifyText( VerifyEvent event ) {
Text text = (Text) getCellEditor().getControl();
String oldText = text.getText();
String leftText = oldText.substring(0, event.start);
String rightText = oldText.substring(event.end, oldText.length());
GC gc = new GC(text);
Point size = gc.textExtent(leftText + event.text + rightText);
gc.dispose();
if (size.x != 0) {
size = text.computeSize(size.x, SWT.DEFAULT);
}else{
size.x = 1;
}
Control control = getCellEditor().getControl();
control.setSize(size.x, size.y);
}
};
Text text = (Text) getCellEditor().getControl();
text.addVerifyListener(verifyListener);
text.setText(((LabelBoxPrinter) ((Box)getEditPart().getModel()).getBoxPrinter()).getText());
getCellEditor().setValue(this.nodeFigure.getText());
IFigure figure = ((GraphicalEditPart) getEditPart()).getFigure();
scaledFont = figure.getFont();
FontData data = scaledFont.getFontData()[0];
Dimension fontSize = new Dimension(0, data.getHeight());
data.setHeight(fontSize.height);
scaledFont = new Font(null, data);
text.setFont(scaledFont);
text.selectAll();
}
}