/*
* $RCSfile: AnimateTransform.java,v $
*
* Copyright 1990-2009 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 only, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License version 2 for more details (a copy is
* included at /legal/license.txt).
*
* You should have received a copy of the GNU General Public License
* version 2 along with this work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 or visit www.sun.com if you need additional
* information or have any questions.
*/
package com.sun.perseus.model;
import com.sun.perseus.util.SVGConstants;
import org.w3c.dom.DOMException;
import java.util.Vector;
/**
* <code>Animate</code> represents an SVG Tiny
* <code><animateTransform></code> element.
*
* @version $Id: AnimateTransform.java,v 1.5 2006/06/29 10:47:29 ln156897 Exp $
*/
public class AnimateTransform extends Animate {
/**
* translate | scale | rotate | skewX | skewY
* Animation on the transform's translate components
*/
public static final int TYPE_TRANSLATE = 2;
/**
* Animation on the transform's scale components
*/
public static final int TYPE_SCALE = 3;
/**
* Animation on the transform's rotation.
*/
public static final int TYPE_ROTATE = 4;
/**
* Animation on the transform's skew x component
*/
public static final int TYPE_SKEW_X = 5;
/**
* Animation on the transform's skew y component.
*/
public static final int TYPE_SKEW_Y = 6;
/**
* Builds a new Animate element that belongs to the given
* document. This <code>Animate</code> will belong
* to the <code>DocumentNode</code>'s time container.
*
* @param ownerDocument the document this node belongs to.
* @throws IllegalArgumentException if the input ownerDocument is null
*/
public AnimateTransform(final DocumentNode ownerDocument) {
super(ownerDocument, SVGConstants.SVG_ANIMATE_TRANSFORM_TAG);
type = TYPE_TRANSLATE;
}
/**
* Used by <code>DocumentNode</code> to create a new instance from
* a prototype <code>TimedElementNode</code>.
*
* @param doc the <code>DocumentNode</code> for which a new node is
* should be created.
* @return a new <code>TimedElementNode</code> for the requested document.
*/
public ElementNode newInstance(final DocumentNode doc) {
return new AnimateTransform(doc);
}
/**
* Supported traits: to, attributeName
*
* @param traitName the name of the trait which the element may support.
* @return true if this element supports the given trait in one of the
* trait accessor methods.
*/
boolean supportsTrait(final String traitName) {
if (SVGConstants.SVG_TYPE_ATTRIBUTE == traitName) {
return true;
} else {
return super.supportsTrait(traitName);
}
}
/**
* AnimateTransform supports the type trait.
*
* Returns the trait value as String. In SVG Tiny only certain traits can be
* obtained as a String value. Syntax of the returned String matches the
* syntax of the corresponding attribute. This element is exactly equivalent
* to {@link org.w3c.dom.svg.SVGElement#getTraitNS getTraitNS} with
* namespaceURI set to null.
*
* The method is meant to be overridden by derived classes. The
* implementation pattern is that derived classes will override the method
* and call their super class' implementation. If the ElementNode
* implementation is called, it means that the trait is either not supported
* or that it cannot be seen as a String.
*
* @param name the requested trait name.
* @return the trait value.
*
* @throws DOMException with error code NOT_SUPPORTED_ERROR if the requested
* trait is not supported on this element or null.
* @throws DOMException with error code TYPE_MISMATCH_ERR if requested
* trait's computed value cannot be converted to a String (SVG Tiny only).
*/
public String getTraitImpl(final String name)
throws DOMException {
if (SVGConstants.SVG_TYPE_ATTRIBUTE == name) {
switch (type) {
case TYPE_TRANSLATE:
return SVGConstants.SVG_TRANSLATE_VALUE;
case TYPE_SCALE:
return SVGConstants.SVG_SCALE_VALUE;
case TYPE_ROTATE:
return SVGConstants.SVG_ROTATE_VALUE;
case TYPE_SKEW_X:
return SVGConstants.SVG_SKEW_X;
case TYPE_SKEW_Y:
default:
return SVGConstants.SVG_SKEW_Y;
}
} else {
return super.getTraitImpl(name);
}
}
/**
* AnimateTransform supports the type trait.
*
* @param name the trait's name.
* @param value the trait's value.
*
* @throws DOMException with error code NOT_SUPPORTED_ERR if the requested
* trait is not supported on this element or null.
* @throws DOMException with error code TYPE_MISMATCH_ERR if the requested
* trait's value cannot be specified as a String
* @throws DOMException with error code INVALID_ACCESS_ERR if the input
* value is an invalid value for the given trait or null.
* @throws DOMException with error code NO_MODIFICATION_ALLOWED_ERR: if
* attempt is made to change readonly trait.
*/
public void setTraitImpl(final String name,
final String value)
throws DOMException {
if (SVGConstants.SVG_TYPE_ATTRIBUTE == name) {
checkWriteLoading(name);
if (SVGConstants.SVG_TRANSLATE_VALUE.equals(value)) {
type = TYPE_TRANSLATE;
} else if (SVGConstants.SVG_SCALE_VALUE.equals(value)) {
type = TYPE_SCALE;
} else if (SVGConstants.SVG_ROTATE_VALUE.equals(value)) {
type = TYPE_ROTATE;
} else if (SVGConstants.SVG_SKEW_X.equals(value)) {
type = TYPE_SKEW_X;
} else if (SVGConstants.SVG_SKEW_Y.equals(value)) {
type = TYPE_SKEW_Y;
} else {
throw illegalTraitValue(name, value);
}
} else {
super.setTraitImpl(name, value);
}
}
}