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/*******************************************************************************
* Copyright (c) 2000, 2011 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.swt.layout;
import org.eclipse.swt.*;
import org.eclipse.swt.graphics.*;
/**
* Each control controlled by a <code>RowLayout</code> can have its initial
* width and height specified by setting a <code>RowData</code> object
* into the control.
* <p>
* The following code uses a <code>RowData</code> object to change the initial
* size of a <code>Button</code> in a <code>Shell</code>:
* <pre>
* Display display = new Display();
* Shell shell = new Shell(display);
* shell.setLayout(new RowLayout());
* Button button1 = new Button(shell, SWT.PUSH);
* button1.setText("Button 1");
* button1.setLayoutData(new RowData(50, 40));
* </pre>
* </p>
*
* @see RowLayout
* @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
*/
public final class RowData {
/**
* width specifies the desired width in pixels. This value
* is the wHint passed into Control.computeSize(int, int, boolean)
* to determine the preferred size of the control.
*
* The default value is SWT.DEFAULT.
*
* @see org.eclipse.swt.widgets.Control#computeSize(int, int, boolean)
*/
public int width = SWT.DEFAULT;
/**
* height specifies the preferred height in pixels. This value
* is the hHint passed into Control.computeSize(int, int, boolean)
* to determine the preferred size of the control.
*
* The default value is SWT.DEFAULT.
*
* @see org.eclipse.swt.widgets.Control#computeSize(int, int, boolean)
*/
public int height = SWT.DEFAULT;
/**
* exclude informs the layout to ignore this control when sizing
* and positioning controls. If this value is <code>true</code>,
* the size and position of the control will not be managed by the
* layout. If this value is <code>false</code>, the size and
* position of the control will be computed and assigned.
*
* The default value is <code>false</code>.
*
* @since 3.1
*/
public boolean exclude = false;
/**
* Constructs a new instance of RowData using
* default values.
*/
public RowData () {
}
/**
* Constructs a new instance of RowData according to the parameters.
* A value of SWT.DEFAULT indicates that no minimum width or
* no minimum height is specified.
*
* @param width a minimum width for the control
* @param height a minimum height for the control
*/
public RowData (int width, int height) {
this.width = width;
this.height = height;
}
/**
* Constructs a new instance of RowData according to the parameter.
* A value of SWT.DEFAULT indicates that no minimum width or
* no minimum height is specified.
*
* @param point a point whose x coordinate specifies a minimum width for the control
* and y coordinate specifies a minimum height for the control
*/
public RowData (Point point) {
this (point.x, point.y);
}
String getName () {
String string = getClass ().getName ();
int index = string.lastIndexOf ('.');
if (index == -1) return string;
return string.substring (index + 1, string.length ());
}
/**
* Returns a string containing a concise, human-readable
* description of the receiver.
*
* @return a string representation of the RowData object
*/
@Override
public String toString () {
String string = getName ()+" {";
if (width != SWT.DEFAULT) string += "width="+width+" ";
if (height != SWT.DEFAULT) string += "height="+height+" ";
if (exclude) string += "exclude="+exclude+" ";
string = string.trim();
string += "}";
return string;
}
}
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