org.eclipse.jface.fieldassist.TextContentAdapter Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2005, 2008 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jface.fieldassist;
import org.eclipse.rap.rwt.internal.textsize.TextSizeUtil;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Text;
/**
* An {@link IControlContentAdapter} for SWT Text controls. This is a
* convenience class for easily creating a {@link ContentProposalAdapter} for
* text fields.
*
* @since 1.0
*/
public class TextContentAdapter implements IControlContentAdapter,
IControlContentAdapter2 {
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.dialogs.taskassistance.IControlContentAdapter#getControlContents(org.eclipse.swt.widgets.Control)
*/
public String getControlContents(Control control) {
return ((Text) control).getText();
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.fieldassist.IControlContentAdapter#setControlContents(org.eclipse.swt.widgets.Control,
* java.lang.String, int)
*/
public void setControlContents(Control control, String text,
int cursorPosition) {
((Text) control).setText(text);
((Text) control).setSelection(cursorPosition, cursorPosition);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.fieldassist.IControlContentAdapter#insertControlContents(org.eclipse.swt.widgets.Control,
* java.lang.String, int)
*/
public void insertControlContents(Control control, String text,
int cursorPosition) {
Point selection = ((Text) control).getSelection();
((Text) control).insert(text);
// Insert will leave the cursor at the end of the inserted text. If this
// is not what we wanted, reset the selection.
if (cursorPosition < text.length()) {
((Text) control).setSelection(selection.x + cursorPosition,
selection.x + cursorPosition);
}
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.fieldassist.IControlContentAdapter#getCursorPosition(org.eclipse.swt.widgets.Control)
*/
public int getCursorPosition(Control control) {
return ((Text) control).getCaretPosition();
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.fieldassist.IControlContentAdapter#getInsertionBounds(org.eclipse.swt.widgets.Control)
*/
public Rectangle getInsertionBounds(Control control) {
Text text = (Text) control;
// RAP [bm]: Text#getCaretLocation
// Point caretOrigin = text.getCaretLocation();
float avgCharWidth = TextSizeUtil.getAvgCharWidth( text.getFont() );
int x = (int) ( text.getCaretPosition()*avgCharWidth );
int y = 0;
Point caretOrigin = new Point( x, y );
// RAPEND: [bm]
// We fudge the y pixels due to problems with getCaretLocation
// See https://bugs.eclipse.org/bugs/show_bug.cgi?id=52520
return new Rectangle(caretOrigin.x + text.getClientArea().x,
caretOrigin.y + text.getClientArea().y + 3, 1, text.getLineHeight());
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.fieldassist.IControlContentAdapter#setCursorPosition(org.eclipse.swt.widgets.Control,
* int)
*/
public void setCursorPosition(Control control, int position) {
((Text) control).setSelection(new Point(position, position));
}
/**
* @see org.eclipse.jface.fieldassist.IControlContentAdapter2#getSelection(org.eclipse.swt.widgets.Control)
*
* @since 1.1
*/
public Point getSelection(Control control) {
return ((Text) control).getSelection();
}
/**
* @see org.eclipse.jface.fieldassist.IControlContentAdapter2#setSelection(org.eclipse.swt.widgets.Control,
* org.eclipse.swt.graphics.Point)
*
* @since 1.1
*/
public void setSelection(Control control, Point range) {
((Text) control).setSelection(range);
}
}