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JIDE Common Layer (Professional Swing Components)
/*
* @(#)TitledSeparator.java 5/1/2008
*
* Copyright 2002 - 2008 JIDE Software Inc. All rights reserved.
*/
package com.jidesoft.swing;
import com.jidesoft.plaf.UIDefaultsLookup;
import javax.swing.*;
import javax.swing.border.Border;
import javax.swing.border.CompoundBorder;
import javax.swing.border.EmptyBorder;
import java.awt.*;
/**
* TitledSeparator is a component used for separating components on a panel or in a GUI. Each
* TitledSeparator is comprised of a title part and a graphical line. This component is preferred over
* TitledBorder when no full border is desired. To see this component in action, please refer to the
* TitledSeparator Demo. Usage This class presents a large number of constructors. As such,
* configurating the TitledSeparator can be wholly achieved at construction time. The list below shows the
* available constructors for this.
*
* TitledSeparator(String text)
* TitledSeparator(String text, int textAlignment)
* TitledSeparator(String text, int type, int textAlignment)
* TitledSeparator(JComponent component, int textAlignment)
* TitledSeparator(JComponent component, int type, int textAlignment)
* TitledSeparator(JComponent component, Border border, int alignment)
* TitledSeparator(JComponent component, int type, int textAlignment, int barAlignment)
* TitledSeparator(JComponent component, Border border, int textAlignment, int barAlignment)
*
*
* TitledSeparator separator = new TitledSeparator();
* separator.setLabelComponent(new JLabel("Configured TitledSeparator"));
* separator.setTextAlignment(right);
* separator.setBarAlignment(center);
* separator.setSeparatorBorder(new PartialEtchedBorder(PartialSide.SOUTH));
*
* Please note, that this class should be constructed and modified from the EDT.
*/
public class TitledSeparator extends JPanel {
/**
* This value indicates an etched styled line separator.
*/
public static final int TYPE_PARTIAL_ETCHED = 0;
/**
* This value indicates a solid line styled separator.
*/
public static final int TYPE_PARTIAL_LINE = 1;
/**
* This value indicates a gradient line will be used for the separator.
*/
public static final int TYPE_PARTIAL_GRADIENT_LINE = 2;
/**
* Indicates whether the text should be left, center or right aligned.
*
* @see #setTextAlignment
*/
private int _textAlignment;
/**
* Indicates whether the horizontal bar should be top, center or bottom aligned.
*
* @see #setBarAlignment
*/
private int _barAlignment;
/**
* The label holding the title for this TitledSeparator.
*
* @see #setLabelComponent
*/
private JComponent _labelComponent;
/**
* The border used as the graphical line segment of this TitledSeparator.
*
* @see #setSeparatorBorder
*/
private Border _border;
/**
* Identifies the label has changed.
*
* @see #setLabelComponent
*/
public static final String PROPERTY_LABEL = "label";
/**
* Identifies the border has changed.
*
* @see #setSeparatorBorder
*/
public static final String PROPERTY_SEPARATOR_BORDER = "separatorBorder";
/**
* Identifies a change in the bar alignment.
*
* @see #setBarAlignment
*/
public static final String PROPERTY_BAR_ALIGNMENT = "barAlignment";
/**
* Identifies a change in the text alignment.
*
* @see #setTextAlignment
*/
public static final String PROPERTY_TEXT_ALIGNMENT = "textAlignment";
/******************************************************************************************************************
* Construction. *
******************************************************************************************************************/
/**
* Creates the default titled separator.
*/
public TitledSeparator() {
this("");
}
/**
* Creates a default titled separator with the specified text.
*
* @param text the title of this titled separator
*/
public TitledSeparator(String text) {
this(text, TYPE_PARTIAL_ETCHED, SwingConstants.LEFT);
}
/**
* Creates a titled separator with the specified text and alignment. The alignment determines whether the text will
* lye on the right or left of the separator line.
*
* @param text the title of this titled separator
* @param textAlignment Valid values are: SwingConstants.LEFT, SwingConstants.RIGHT, SwingConstants.LEADING or
* SwingConstants.TRAILING.
*/
public TitledSeparator(String text, int textAlignment) {
this(new JLabel(text), TYPE_PARTIAL_ETCHED, textAlignment);
}
/**
* Creates a titled separator with the specified text, border type and alignment. The alignment determines whether
* the text will lye on the right or left of the separator line.
*
* @param text the title of this titled separator
* @param type the style of border used as the separator line. Valid values are:-
* TitledSeparator.TYPE_PARTIAL_ETCHED, TitledSeparator.TYPE_PARTIAL_LINE or
* TitledSeparator.TYPE_PARTIAL_GRADIENT_LINE.
* @param textAlignment Valid values are: SwingConstants.LEFT, SwingConstants.RIGHT, SwingConstants.LEADING or
* SwingConstants.TRAILING.
*/
public TitledSeparator(String text, int type, int textAlignment) {
this(new JLabel(text), type, textAlignment);
}
/**
* Creates a titled separator with the specified component and alignment. The alignment determines whether the
* specified component will lye on the right or left of the separator line.
*
* @param labelComponent the component to be used as the titled part of this separator
* @param textAlignment Valid values are: SwingConstants.LEFT, SwingConstants.RIGHT, SwingConstants.LEADING or
* SwingConstants.TRAILING.
*/
public TitledSeparator(JComponent labelComponent, int textAlignment) {
this(labelComponent, TYPE_PARTIAL_ETCHED, textAlignment);
}
/**
* Creates a titled separator with the specified component, border type and alignment. The alignment determines
* whether the specified component will lye on the right or left of the separator line.
*
* @param labelComponent the component to be used as the titled part of this separator
* @param type the style of border used as the separator line. Valid values are:-
* TitledSeparator.TYPE_PARTIAL_ETCHED, TitledSeparator.TYPE_PARTIAL_LINE or
* TitledSeparator.TYPE_PARTIAL_GRADIENT_LINE.
* @param textAlignment Valid values are: SwingConstants.LEFT, SwingConstants.RIGHT, SwingConstants.LEADING or
* SwingConstants.TRAILING.
*/
public TitledSeparator(JComponent labelComponent, int type, int textAlignment) {
this(labelComponent, type, textAlignment, SwingConstants.CENTER);
}
/**
* Creates a titled separator with the specified component, border and alignment. The alignment determines whether
* the specified component will lye on the right or left of the separator line.
*
* @param labelComponent the component to be used as the titled part of this separator
* @param border the border to be used as the separator line
* @param textAlignment Valid values are: SwingConstants.LEFT, SwingConstants.RIGHT, SwingConstants.LEADING or
* SwingConstants.TRAILING.
*/
public TitledSeparator(JComponent labelComponent, Border border, int textAlignment) {
this(labelComponent, border, textAlignment, SwingConstants.CENTER);
}
/**
* Creates a titled separator with the specified component, border type, alignment and vertical alignment. The
* alignment determines whether the specified component will lye on the right or left of the separator line. The
* vertical alignment refers to the alignment of the separator line -- top, middle or bottom. Whenspecifyingg a
* border, the border is set with default values, for example: both TYPE_PARTIAL_LINE and
* TYPE_PARTIAL_LINE are configured with a 'thickness' of one pixel. If the the border required is not
* the default version, please use another constructor: TitledSeparator(component, border, alignment,
* verticalAlignment).
*
* @param labelComponent the component to be used as the titled part of this separator
* @param type the style of border used as the separator line. Valid values are:-
* TitledSeparator.TYPE_PARTIAL_ETCHED, TitledSeparator.TYPE_PARTIAL_LINE or
* TitledSeparator.TYPE_PARTIAL_GRADIENT_LINE.
* @param textAlignment Valid values are: SwingConstants.LEFT, SwingConstants.RIGHT, SwingConstants.LEADING or
* SwingConstants.TRAILING.
* @param barAlignment Valid values are: SwingConstants.TOP, SwingConstants.CENTER or SwingConstants.BOTTOM.
*/
public TitledSeparator(JComponent labelComponent, int type, int textAlignment, int barAlignment) {
final Border border;
int side = PartialSide.SOUTH;
int thickness = 1;
Color color = labelComponent.getBackground();
if (color == null) {
color = UIDefaultsLookup.getColor("Label.background");
}
switch (type) {
case TYPE_PARTIAL_LINE:
Color c = color.darker();
border = new PartialLineBorder(c, thickness, side);
break;
case TYPE_PARTIAL_GRADIENT_LINE:
Color startColor = color.darker();
Color finishColor = color.brighter();
Color[] colors = {startColor, finishColor};
border = new PartialGradientLineBorder(colors, thickness, side);
break;
case TYPE_PARTIAL_ETCHED:
default:
border = new PartialEtchedBorder(side);
break;
}
_labelComponent = labelComponent;
_border = border;
_textAlignment = textAlignment;
_barAlignment = barAlignment;
validateTitledSeparator();
}
/**
* Creates a titled separator with the specified component, border, alignment and vertical alignment. The alignment
* determines whether the specified component will lye on the right or left of the separator line. The vertical
* alignment refers to the alignment of the separator line -- top, middle or bottom.
*
* @param labelComponent the component to be used as the titled part of this separator
* @param border the border to be used as the separator line
* @param textAlignment Valid values are: SwingConstants.LEFT, SwingConstants.RIGHT, SwingConstants.LEADING or
* SwingConstants.TRAILING.
* @param barAlignment Valid values are: SwingConstants.TOP, SwingConstants.CENTER or SwingConstants.BOTTOM.
*/
public TitledSeparator(JComponent labelComponent, Border border, int textAlignment, int barAlignment) {
_labelComponent = labelComponent;
_border = border;
_textAlignment = textAlignment;
_barAlignment = barAlignment;
validateTitledSeparator();
}
/******************************************************************************************************************
* Getter's/Setters. *
******************************************************************************************************************/
/**
* Sets the labelComponent part of this Titled Separator.
*
* @param labelComponent the component holding the text to display as the title.
* @see #getLabelComponent
*/
public void setLabelComponent(JComponent labelComponent) {
JComponent oldValue = _labelComponent;
if (!JideSwingUtilities.equals(oldValue, labelComponent)) {
_labelComponent = labelComponent;
firePropertyChange(PROPERTY_LABEL, oldValue, _labelComponent);
validateTitledSeparator();
repaint();
}
}
/**
* Returns the label part of this Titled Separator.
*
* @return the component holding the text to display as the title.
*/
public JComponent getLabelComponent() {
return _labelComponent;
}
/**
* Sets the border to be used as the graphical line region of this Titled Separator.
*
* @param border Any border of type: com.jidesoft.swing.PartialEtchedBorder, com.jidesoft.swing.PartialLineBorder or
* com.jidesoft.swing.PartialGradientLineBorder.
* @see #getSeparatorBorder
*/
public void setSeparatorBorder(Border border) {
Border oldValue = _border;
if (!JideSwingUtilities.equals(oldValue, border)) {
_border = border;
firePropertyChange(PROPERTY_SEPARATOR_BORDER, oldValue, _border);
validateTitledSeparator();
repaint();
}
}
/**
* Returns the border type.
*
* @return the border type. Valid return values are: TitledSeparator.TYPE_PARTIAL_ETCHED,
* TitledSeparator.TYPE_PARTIAL_LINE, TitledSeparator.TYPE_PARTIAL_GRADIENT_LINE or -1 if the current border
* is none of the above.
*/
public Border getSeparatorBorder() {
return _border;
}
/**
* Sets the texts horizontal alignment.
*
* @param textAlignment an int representing the texts horizontal position. Valid values are: SwingConstants.LEFT,
* SwingConstants.RIGHT, SwingConstants.LEADING or SwingConstants.TRAILING.
* @see #getTextAlignment
*/
public void setTextAlignment(int textAlignment) {
int oldValue = _textAlignment;
if (textAlignment != oldValue) {
_textAlignment = textAlignment;
firePropertyChange(PROPERTY_TEXT_ALIGNMENT, oldValue, _textAlignment);
validateTitledSeparator();
repaint();
}
}
/**
* Returns the texts horizontal alignment.
*
* @return the texts horizontal alignment. Valid return values are: SwingConstants.LEFT, SwingConstants.RIGHT, or
* SwingConstants.CENTER.
*/
public int getTextAlignment() {
return _textAlignment;
}
/**
* Sets the bars vertical alignment.
*
* @param barAlignment Valid values are: SwingConstants.TOP, SwingConstants.CENTER or SwingConstants.BOTTOM.
* @see #getBarAlignment
*/
public void setBarAlignment(int barAlignment) {
int oldValue = _barAlignment;
if (barAlignment != oldValue) {
_barAlignment = barAlignment;
firePropertyChange(PROPERTY_BAR_ALIGNMENT, oldValue, _barAlignment);
validateTitledSeparator();
repaint();
}
}
/**
* Returns the bars vertical alignment.
*
* @return the barsverticall alignment. Valid values are: SwingConstants.TOP, SwingConstants.CENTER or
* SwingConstants.BOTTOM.
*/
public int getBarAlignment() {
return _barAlignment;
}
/******************************************************************************************************************
* Configuration. *
******************************************************************************************************************/
/**
* Responsible for configurating this TitledSeparator. This is the method through which all constructors
* ultimately feed.
*
* Creates a titled separator with the specified component, border, alignment and vertical alignment. The alignment
* determines whether the specified component will lye on the right or left of the separator line. The vertical
* alignment refers to the alignment of the separator line -- top, middle or bottom.
*/
public void validateTitledSeparator() {
/*
* Bounds checking and argument configuration...
*/
if (_labelComponent == null) {
throw new NullPointerException("Component must not be null.");
}
if (_border == null) {
throw new NullPointerException("border must not be null.");
}
if (!(_textAlignment == SwingConstants.LEFT ||
_textAlignment == SwingConstants.RIGHT ||
_textAlignment == SwingConstants.CENTER ||
_textAlignment == SwingConstants.LEADING ||
_textAlignment == SwingConstants.TRAILING)) {
boolean ltr = getComponentOrientation().isLeftToRight();
// invalid alignment. We default to left or right
if (ltr) {
_textAlignment = SwingConstants.LEFT;
}
else {
_textAlignment = SwingConstants.RIGHT;
}
}
if (_textAlignment == SwingConstants.LEADING ||
_textAlignment == SwingConstants.TRAILING) {
boolean LTR = getComponentOrientation().isLeftToRight();
if (LTR) {
_textAlignment = SwingConstants.LEFT;
}
else {
_textAlignment = SwingConstants.RIGHT;
}
}
if (!(_barAlignment == SwingConstants.TOP ||
_barAlignment == SwingConstants.CENTER ||
_barAlignment == SwingConstants.BOTTOM)) {
// invalid alignment. We default to center.
_barAlignment = SwingConstants.CENTER;
}
/*
* Ensure we have a clean container to add to.
*/
removeAll();
/*
* Next, we need to configure both the label and panel so that the text and separator are aligned 'vertically'.
*/
if (_labelComponent instanceof JLabel) {
((JLabel) _labelComponent).setVerticalAlignment(SwingConstants.BOTTOM);
}
int top = 0, left = 0, bottom = 0, right = 0;
Dimension compDimension = _labelComponent.getPreferredSize();
int preferredHeight = compDimension.height;
int separatorThickness = 2;
try {
separatorThickness = _border.getBorderInsets(null).bottom;
}
catch (NullPointerException e) {
// ignore
}
if (_textAlignment == SwingConstants.LEFT) {
left = 4;
}
else if (_textAlignment == SwingConstants.RIGHT) {
right = 4;
}
else if (_textAlignment == SwingConstants.CENTER) {
left = 4;
right = 4;
}
if (_barAlignment == SwingConstants.CENTER) {
bottom = (preferredHeight / 2) - (separatorThickness / 2);
}
else if (_barAlignment == SwingConstants.TOP) {
bottom = preferredHeight - separatorThickness;
}
else if (_barAlignment == SwingConstants.BOTTOM) {
bottom = 0;
}
Border margin = new EmptyBorder(top, left, bottom, right);
JComponent separator = new JPanel();
separator.setBorder(new CompoundBorder(margin, _border));
/*
* Finally, we can add the text (the label) and the separator (the panel) to this container
* (this TitledSeparator).
*/
setLayout(new JideBoxLayout(this, JideBoxLayout.X_AXIS));
setOpaque(false);
if (_textAlignment == SwingConstants.LEFT) {
add(_labelComponent);
add(separator, JideBoxLayout.VARY);
}
else if (_textAlignment == SwingConstants.RIGHT) {
add(separator, JideBoxLayout.VARY);
add(_labelComponent);
}
else {
JComponent separator2 = new JPanel();
separator2.setBorder(new CompoundBorder(margin, _border));
add(separator, JideBoxLayout.FLEXIBLE);
add(_labelComponent, JideBoxLayout.FIX);
add(separator2, JideBoxLayout.FLEXIBLE);
}
}
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