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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.serial.property;
import org.w3c.dom.Element;
import nextapp.echo.app.Extent;
import nextapp.echo.app.Font;
import nextapp.echo.app.serial.SerialContext;
import nextapp.echo.app.serial.SerialException;
import nextapp.echo.app.serial.SerialPropertyPeer;
import nextapp.echo.app.util.Context;
import nextapp.echo.app.util.DomUtil;
/**
* SerialPropertyPeer for Font properties.
*/
public class FontPeer
implements SerialPropertyPeer {
/**
* Determines if the given attribute value corresponds to true, with either "1" or "true" indicating true.
*
* @param value the value to test
* @return true if the value is true
*/
private static final boolean isTrue(String value) {
return "true".equals(value) || "1".equals(value);
}
/**
* @see nextapp.echo.app.serial.SerialPropertyPeer#toProperty(Context,
* Class, org.w3c.dom.Element)
*/
public Object toProperty(Context context, Class objectClass, Element propertyElement)
throws SerialException {
Element fElement = DomUtil.getChildElementByTagName(propertyElement, "f");
int style = Font.PLAIN;
style |= isTrue(fElement.getAttribute("bo")) ? Font.BOLD : 0;
style |= isTrue(fElement.getAttribute("it")) ? Font.ITALIC : 0;
style |= isTrue(fElement.getAttribute("un")) ? Font.UNDERLINE : 0;
style |= isTrue(fElement.getAttribute("ov")) ? Font.OVERLINE : 0;
style |= isTrue(fElement.getAttribute("lt")) ? Font.LINE_THROUGH : 0;
Extent size = null;
if (fElement.hasAttribute("sz")) {
size = ExtentPeer.fromString(fElement.getAttribute("sz"));
}
Element[] tfElements = DomUtil.getChildElementsByTagName(fElement, "tf");
Font.Typeface typeface = null;
for (int i = tfElements.length - 1; i >= 0; --i) {
String name;
if (tfElements[i].hasAttribute("n")) {
name = tfElements[i].getAttribute("n");
} else {
name = DomUtil.getElementText(tfElements[i]).trim();
}
if (typeface == null) {
typeface = new Font.Typeface(name);
} else {
typeface = new Font.Typeface(name, typeface);
}
}
return new Font(typeface, style, size);
}
/**
* @see nextapp.echo.app.serial.SerialPropertyPeer#toXml(nextapp.echo.app.util.Context,
* java.lang.Class, org.w3c.dom.Element, java.lang.Object)
*/
public void toXml(Context context, Class objectClass, Element propertyElement, Object propertyValue)
throws SerialException {
SerialContext serialContext = (SerialContext) context.get(SerialContext.class);
propertyElement.setAttribute("t",
(serialContext.getFlags() & SerialContext.FLAG_RENDER_SHORT_NAMES) == 0 ? "Font" : "F");
Font font = (Font) propertyValue;
Element element = serialContext.getDocument().createElement("f");
Font.Typeface typeface = font.getTypeface();
while (typeface != null) {
Element tfElement = serialContext.getDocument().createElement("tf");
tfElement.appendChild(serialContext.getDocument().createTextNode(typeface.getName()));
element.appendChild(tfElement);
typeface = typeface.getAlternate();
}
Extent size = font.getSize();
if (size != null) {
element.setAttribute("sz", ExtentPeer.toString(size));
}
if (!font.isPlain()) {
if (font.isBold()) {
element.setAttribute("bo", "1");
}
if (font.isItalic()) {
element.setAttribute("it", "1");
}
if (font.isUnderline()) {
element.setAttribute("un", "1");
}
if (font.isOverline()) {
element.setAttribute("ov", "1");
}
if (font.isLineThrough()) {
element.setAttribute("lt", "1");
}
}
propertyElement.appendChild(element);
}
}
