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/*
* This file is part of the Echo Web Application Framework (hereinafter "Echo").
* Copyright (C) 2002-2009 NextApp, Inc.
*
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
* the specific language governing rights and limitations under the License.
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or the
* GNU Lesser General Public License Version 2.1 or later (the "LGPL"), in which
* case the provisions of the GPL or the LGPL are applicable instead of those
* above. If you wish to allow use of your version of this file only under the
* terms of either the GPL or the LGPL, and not to allow others to use your
* version of this file under the terms of the MPL, indicate your decision by
* deleting the provisions above and replace them with the notice and other
* provisions required by the GPL or the LGPL. If you do not delete the
* provisions above, a recipient may use your version of this file under the
* terms of any one of the MPL, the GPL or the LGPL.
*/
package nextapp.echo.app;
import java.io.Serializable;
/**
* A representation of a graphical border drawn using a series of
* eight FillImages. The eight images are used to describe
* the four corners and four sides of the border.
* The BorderInsets property is used to describe the width and
* height of the border images, i.e. the inset to which the border images
* extend inward from the outer edges of the box.
* The ContentInsets property is used to describe the inset of
* the content displayed within the border. If the content inset is less
* than the border inset, the content will be drawn above the border.
* The Color property may be used in addition to or in lieu of
* setting FillImages. The color will be drawn behind
* the FillImages in the case where both are used.
*/
public class FillImageBorder
implements Serializable {
/** Serial Version UID. */
private static final long serialVersionUID = 20070101L;
public static final int TOP_LEFT = 0;
public static final int TOP = 1;
public static final int TOP_RIGHT= 2;
public static final int LEFT = 3;
public static final int RIGHT = 4;
public static final int BOTTOM_LEFT= 5;
public static final int BOTTOM = 6;
public static final int BOTTOM_RIGHT = 7;
private Insets contentInsets, borderInsets;
private Color color;
private FillImage[] fillImages;
/**
* Creates a new FillImageBorder.
*/
public FillImageBorder() {
super();
}
/**
* Creates a new FillImageBorder with the specified color,
* border inset, and content inset.
*
* @param color the solid color background of the border
* @param borderInsets the border inset
* @param contentInsets the content inset
* @see #setBorderInsets(nextapp.echo.app.Insets)
* @see #setContentInsets(nextapp.echo.app.Insets)
* @see #setColor(nextapp.echo.app.Color)
*/
public FillImageBorder(Color color, Insets borderInsets, Insets contentInsets) {
this(color, borderInsets, contentInsets, null);
}
/**
* Creates a new FillImageBorder with the specified color,
* border inset, and content inset.
*
* @param color the solid color background of the border
* @param borderInsets the border inset
* @param contentInsets the content inset
* @param fillImages the fill images, provided in the following order:
* top-left, top, top-right, left, right, bottom-left, bottom, bottom-right
* @see #setBorderInsets(nextapp.echo.app.Insets)
* @see #setContentInsets(nextapp.echo.app.Insets)
* @see #setColor(nextapp.echo.app.Color)
*/
public FillImageBorder(Color color, Insets borderInsets, Insets contentInsets, FillImage[] fillImages) {
super();
this.color = color;
this.borderInsets = borderInsets;
this.contentInsets = contentInsets;
if (fillImages != null) {
this.fillImages = new FillImage[8];
System.arraycopy(fillImages, 0, this.fillImages, 0, fillImages.length < 8 ? fillImages.length : 8);
}
}
/**
* @see java.lang.Object#equals(java.lang.Object)
*/
public boolean equals(Object o) {
if (!(o instanceof FillImageBorder)) {
return false;
}
FillImageBorder that = (FillImageBorder) o;
if (!(this.color == that.color ||
(this.color != null && this.color.equals(that.color)))) {
return false;
}
if (!(this.borderInsets == that.borderInsets ||
(this.borderInsets != null && this.borderInsets.equals(that.borderInsets)))) {
return false;
}
if (!(this.contentInsets == that.contentInsets ||
(this.contentInsets != null && this.contentInsets.equals(that.contentInsets)))) {
return false;
}
if (this.fillImages != null || that.fillImages != null) {
if (this.fillImages == null || that.fillImages == null) {
return false;
}
for (int i = 0; i < fillImages.length; ++i) {
if (!(this.fillImages[i] == that.fillImages[i] ||
(this.fillImages[i] != null && this.fillImages[i].equals(that.fillImages[i])))) {
return false;
}
}
}
return true;
}
/**
* Returns the content inset.
*
* @see #setBorderInsets(nextapp.echo.app.Insets)
* @return the border inset
*/
public Insets getBorderInsets() {
return borderInsets;
}
/**
* Returns the solid color background of the border.
*
* @see #setColor(nextapp.echo.app.Color)
* @return the color
*/
public Color getColor() {
return color;
}
/**
* Sets the content inset.
*
* @see #setContentInsets(nextapp.echo.app.Insets)
* @return the content inset
*/
public Insets getContentInsets() {
return contentInsets;
}
/**
* Retrieves the FillImage at the specified position.
*
* @param position the position, one of the following values:
*
*
TOP_LEFT the top left corner image
*
TOP the top side image
*
TOP_RIGHT the top right corner image
*
LEFT the left side image
*
RIGHT the right side image
*
BOTTOM_LFET the bottom left corner image
*
BOTTOM the bottom side image
*
BOTTOM_RIGHT the bottom right corner image
*
* @return the FillImage
*/
public FillImage getFillImage(int position) {
if (fillImages == null) {
return null;
} else {
return fillImages[position];
}
}
/**
* Determines if the border has any fill images configured.
*
* @return true if the border has any fill images
*/
public boolean hasFillImages() {
return fillImages != null;
}
/**
* Sets the inset of the border images, thus defining the width and
* height of the border images.
* The provided Insets value must only contain margins defined
* in pixel units.
*
* @param borderInsets the new border inset
*/
public void setBorderInsets(Insets borderInsets) {
this.borderInsets = borderInsets;
}
/**
* Sets the solid color background of the border.
* Note that setting a solid background color for the border will cause
* the alpha channel of any FillImages to be rendered against
* this color.
*
* @param color the color
*/
public void setColor(Color color) {
this.color = color;
}
/**
* Sets the inset of the content that is contained within the border
* relative to the outside of the border. If this inset value is smaller
* than the the border inset, the content will be rendered partially on top
* of the border. A null value for this property specifies that the
* content should be drawn at the border inset.
* The provided Insets value must only contain margins defined
* in pixel units.
*
* @param contentInsets the new content inset
*/
public void setContentInsets(Insets contentInsets) {
this.contentInsets = contentInsets;
}
/**
* Sets the FillImage at the specified position.
*
* @param position the position, one of the following values:
*
*
TOP_LEFT the top left corner image
*
TOP the top side image
*
TOP_RIGHT the top right corner image
*
LEFT the left side image
*
RIGHT the right side image
*
BOTTOM_LFET the bottom left corner image
*
BOTTOM the bottom side image
*
BOTTOM_RIGHT the bottom right corner image
*
* @param fillImage the new FillIamge
*/
public void setFillImage(int position, FillImage fillImage) {
if (fillImages == null) {
if (fillImage == null) {
return;
}
fillImages = new FillImage[8];
}
fillImages[position] = fillImage;
if (fillImage == null) {
// Set fillImages property to null in the event that no fill images exist.
boolean hasFillImages = false;
for (int i = 0 ; i < fillImages.length; ++i) {
if (fillImages[i] != null) {
hasFillImages = true;
break;
}
}
if (!hasFillImages) {
fillImages = null;
}
}
}
}
