path: root/javax/swing/BorderFactory.java

/* BorderFactory.java --
   Copyright (C) 2002, 2004  Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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02110-1301 USA.

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making a combined work based on this library.  Thus, the terms and
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As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
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terms of your choice, provided that you also meet, for each linked
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package javax.swing;

import java.awt.Color;
import java.awt.Font;

import javax.swing.border.BevelBorder;
import javax.swing.border.Border;
import javax.swing.border.CompoundBorder;
import javax.swing.border.EmptyBorder;
import javax.swing.border.EtchedBorder;
import javax.swing.border.LineBorder;
import javax.swing.border.MatteBorder;
import javax.swing.border.TitledBorder;

/**
 * A factory for commonly used borders.
 *
 * @author original author unknown
 */
public class BorderFactory
{
  private BorderFactory()
  {
    // Do nothing.
  }

  /**
   * Creates a line border withe the specified color.
   *
   * @param color A color to use for the line.
   *
   * @return The Border object
   */
  public static Border createLineBorder(Color color)
  {
    return createLineBorder(color, 1);
  }

  /**
   * Creates a line border withe the specified color and width. The width
   * applies to all 4 sides of the border. To specify widths individually for
   * the top, bottom, left, and right, use
   * createMatteBorder(int,int,int,int,Color).
   *
   * @param color A color to use for the line.
   * @param thickness An int specifying the width in pixels.
   *
   * @return The Border object
   */
  public static Border createLineBorder(Color color, int thickness)
  {
    return new LineBorder(color, thickness);
  }

  /**
   * Created a border with a raised beveled edge, using brighter shades of
   * the component's current background color for highlighting, and darker
   * shading for shadows. (In a raised border, highlights are on top and
   * shadows are underneath.)
   *
   * @return The Border object
   */
  public static Border createRaisedBevelBorder()
  {
    return new BevelBorder(BevelBorder.RAISED);
  }

  /**
   * Created a border with a lowered beveled edge, using brighter shades of
   * the component's current background color for highlighting, and darker
   * shading for shadows. (In a lowered border, shadows are on top and
   * highlights are underneath.)
   *
   * @return The Border object
   */
  public static Border createLoweredBevelBorder()
  {
    return new BevelBorder(BevelBorder.LOWERED);
  }

  /**
   * Create a beveled border of the specified type, using brighter shades of
   * the component's current background color for highlighting, and darker
   * shading for shadows. (In a lowered border, shadows are on top and
   * highlights are underneath.).
   *
   * @param type An int specifying either BevelBorder.LOWERED or
   *     BevelBorder.RAISED
   *
   * @return The Border object
   */
  public static Border createBevelBorder(int type)
  {
    return new BevelBorder(type);
  }

  /**
   * Create a beveled border of the specified type, using the specified
   * highlighting and shadowing. The outer edge of the highlighted area uses
   * a brighter shade of the highlight color. The inner edge of the shadow
   * area uses a brighter shade of the shadaw color.
   *
   * @param type An int specifying either BevelBorder.LOWERED or
   *     BevelBorder.RAISED
   * @param highlight A Color object for highlights
   * @param shadow A Color object for shadows
   *
   * @return The Border object
   */
  public static Border createBevelBorder(int type, Color highlight, Color shadow)
  {
    return new BevelBorder(type, highlight, shadow);
  }

  /**
   * Create a beveled border of the specified type, using the specified colors
   * for the inner and outer highlight and shadow areas.
   *
   * @param type An int specifying either BevelBorder.LOWERED or
   *     BevelBorder.RAISED
   * @param highlightOuter A Color object for the outer edge of the
   *     highlight area
   * @param highlightInner A Color object for the inner edge of the
   *     highlight area
   * @param shadowOuter A Color object for the outer edge of the shadow area
   * @param shadowInner A Color object for the inner edge of the shadow area
   *
   * @return The Border object
   */
  public static Border createBevelBorder(int type, Color highlightOuter,
                                         Color highlightInner,
                                         Color shadowOuter, Color shadowInner)
  {
    return new BevelBorder(type, highlightOuter, highlightInner, shadowOuter,
                           shadowInner);
  }

  /**
   * Create a border with an "etched" look using the component's current
   * background color for highlighting and shading.
   *
   * @return The Border object
   */
  public static Border createEtchedBorder()
  {
    return new EtchedBorder();
  }

  /**
   * Create a border with an "etched" look using the component's current
   * background color for highlighting and shading.
   *
   * @return The Border object
   */
  public static Border createEtchedBorder(int etchType)
  {
    return new EtchedBorder(etchType);
  }

  /**
   * Create a border with an "etched" look using the specified highlighting and
   * shading colors.
   *
   * @param highlight A Color object for the border highlights
   * @param shadow A Color object for the border shadows
   *
   * @return The Border object
   */
  public static Border createEtchedBorder(Color highlight, Color shadow)
  {
    return new EtchedBorder(highlight, shadow);
  }

  /**
   * Create a border with an "etched" look using the specified highlighting and
   * shading colors.
   *
   * @param highlight A Color object for the border highlights
   * @param shadow A Color object for the border shadows
   *
   * @return The Border object
   */
  public static Border createEtchedBorder(int etchType, Color highlight,
                                          Color shadow)
  {
    return new EtchedBorder(etchType, highlight, shadow);
  }

  /**
   * Create a new title border specifying the text of the title, using the
   * default border (etched), using the default text position (sitting on the
   * top line) and default justification (left) and using the default font and
   * text color determined by the current look and feel.
   *
   * @param title A String containing the text of the title
   *
   * @return The TitledBorder object
   */
  public static TitledBorder createTitledBorder(String title)
  {
    return new TitledBorder(title);
  }

  /**
   * Create a new title border with an empty title specifying the border
   * object, using the default text position (sitting on the top line) and
   * default justification (left) and using the default font, text color,
   * and border determined by the current look and feel. (The Motif and Windows
   * look and feels use an etched border; The Java look and feel use a
   * gray border.)
   *
   * @param border The Border object to add the title to
   *
   * @return The TitledBorder object
   */
  public static TitledBorder createTitledBorder(Border border)
  {
    return new TitledBorder(border);
  }

  /**
   * Add a title to an existing border, specifying the text of the title, using
   * the default positioning (sitting on the top line) and default
   * justification (left) and using the default font and text color determined
   * by the current look and feel.
   *
   * @param border The Border object to add the title to
   * @param title A String containing the text of the title
   *
   * @return The TitledBorder object
   */
  public static TitledBorder createTitledBorder(Border border, String title)
  {
    return new TitledBorder(border, title);
  }

  /**
   * Add a title to an existing border, specifying the text of the title along
   * with its positioning, using the default font and text color determined by
   * the current look and feel.
   *
   * @param border The Border object to add the title to
   * @param title A String containing the text of the title
   * @param titleJustification An int specifying the left/right position of
   *     the title -- one of TitledBorder.LEFT, TitledBorder.CENTER, or
   *     TitledBorder.RIGHT, TitledBorder.DEFAULT_JUSTIFICATION (left).
   * @param titlePosition An int specifying the vertical position of the text
   *     in relation to the border -- one of: TitledBorder.ABOVE_TOP,
   *     TitledBorder.TOP (sitting on the top line), TitledBorder.BELOW_TOP,
   *     TitledBorder.ABOVE_BOTTOM, TitledBorder.BOTTOM (sitting on the bottom
   *     line), TitledBorder.BELOW_BOTTOM, or TitledBorder.DEFAULT_POSITION
   *     (top).
   *
   * @return The TitledBorder object
   */
  public static TitledBorder createTitledBorder(Border border, String title,
                                                int titleJustification,
                                                int titlePosition)
  {
    return new TitledBorder(border, title, titleJustification, titlePosition);
  }

  /**
   * Add a title to an existing border, specifying the text of the title along
   * with its positioning and font, using the default text color determined by
   * the current look and feel.
   *
   * @param border - the Border object to add the title to
   * @param title - a String containing the text of the title
   * @param titleJustification - an int specifying the left/right position of
   *     the title -- one of TitledBorder.LEFT, TitledBorder.CENTER, or
   *     TitledBorder.RIGHT, TitledBorder.DEFAULT_JUSTIFICATION (left).
   * @param titlePosition - an int specifying the vertical position of the
   *     text in relation to the border -- one of: TitledBorder.ABOVE_TOP,
   *     TitledBorder.TOP (sitting on the top line), TitledBorder.BELOW_TOP,
   *     TitledBorder.ABOVE_BOTTOM, TitledBorder.BOTTOM (sitting on the bottom
   *     line), TitledBorder.BELOW_BOTTOM, or TitledBorder.DEFAULT_POSITION (top).
   * @param titleFont - a Font object specifying the title font
   *
   * @return The TitledBorder object
   */
  public static TitledBorder createTitledBorder(Border border, String title,
                                                int titleJustification,
                                                int titlePosition,
                                                Font titleFont)
  {
    return new TitledBorder(border, title, titleJustification, titlePosition,
                            titleFont);
  }

  /**
   * Add a title to an existing border, specifying the text of the title along
   * with its positioning, font, and color.
   *
   * @param border - the Border object to add the title to
   * @param title - a String containing the text of the title
   * @param titleJustification - an int specifying the left/right position of
   *     the title -- one of TitledBorder.LEFT, TitledBorder.CENTER, or
   *     TitledBorder.RIGHT, TitledBorder.DEFAULT_JUSTIFICATION (left).
   * @param titlePosition - an int specifying the vertical position of the text
   *     in relation to the border -- one of: TitledBorder.ABOVE_TOP,
   *     TitledBorder.TOP (sitting on the top line), TitledBorder.BELOW_TOP,
   *     TitledBorder.ABOVE_BOTTOM, TitledBorder.BOTTOM (sitting on the bottom
   *     line), TitledBorder.BELOW_BOTTOM, or TitledBorder.DEFAULT_POSITION (top).
   * @param titleFont - a Font object specifying the title font
   * @param titleColor - a Color object specifying the title color
   *
   * @return The TitledBorder object
   */
  public static TitledBorder createTitledBorder(Border border, String title,
                                                int titleJustification,
                                                int titlePosition,
                                                Font titleFont, Color titleColor)
  {
    return new TitledBorder(border, title, titleJustification, titlePosition,
                            titleFont, titleColor);
  }

  /**
   * Creates an empty border that takes up no space. (The width of the top,
   * bottom, left, and right sides are all zero.)
   *
   * @return The Border object
   */
  public static Border createEmptyBorder()
  {
    return new EmptyBorder(0, 0, 0, 0);
  }

  /**
   * Creates an empty border that takes up no space but which does no drawing,
   * specifying the width of the top, left, bottom, and right sides.
   *
   * @param top An int specifying the width of the top in pixels
   * @param left An int specifying the width of the left side in pixels
   * @param bottom An int specifying the width of the right side in pixels
   * @param right An int specifying the width of the bottom in pixels
   *
   * @return The Border object
   */
  public static Border createEmptyBorder(int top, int left, int bottom,
                                         int right)
  {
    return new EmptyBorder(top, left, bottom, right);
  }

  /**
   * Create a compound border with a null inside edge and a null outside edge.
   *
   * @return The CompoundBorder object
   */
  public static CompoundBorder createCompoundBorder()
  {
    return new CompoundBorder();
  }

  /**
   * Create a compound border specifying the border objects to use for the
   * outside and inside edges.
   *
   * @param outsideBorder A Border object for the outer edge of the
   *     compound border
   * @param insideBorder A Border object for the inner edge of the
   *     compound border
   *
   * @return The CompoundBorder object
   */
  public static CompoundBorder createCompoundBorder(Border outsideBorder,
                                                    Border insideBorder)
  {
    return new CompoundBorder(outsideBorder, insideBorder);
  }

  /**
   * Create a matte-look border using a solid color. (The difference between
   * this border and a line border is that you can specify the individual border
   * dimensions.)
   * 
   * @param top
   *          An int specifying the width of the top in pixels
   * @param left
   *          An int specifying the width of the left side in pixels
   * @param bottom
   *          An int specifying the width of the right side in pixels
   * @param right
   *          An int specifying the width of the bottom in pixels
   * @param color
   *          A Color to use for the border
   * @return The MatteBorder object
   */
  public static MatteBorder createMatteBorder(int top, int left, int bottom,
                                              int right, Color color)
  {
    return new MatteBorder(top, left, bottom, right, color);
  }

  /**
   * Create a matte-look border that consists of multiple tiles of a specified
   * icon. Multiple copies of the icon are placed side-by-side to fill up the
   * border area.
   *
   * Note:
   * If the icon doesn't load, the border area is painted gray.
   *
   * @param top An int specifying the width of the top in pixels
   * @param left An int specifying the width of the left side in pixels
   * @param bottom An int specifying the width of the right side in pixels
   * @param right An int specifying the width of the bottom in pixels
   * @param tileIcon The Icon object used for the border tiles
   *
   * @return The MatteBorder object
   */
  public static MatteBorder createMatteBorder(int top, int left, int bottom,
                                              int right, Icon tileIcon)
  {
    return new MatteBorder(top, left, bottom, right, tileIcon);
  }
}