/*

   Licensed to the Apache Software Foundation (ASF) under one or more
   contributor license agreements.  See the NOTICE file distributed with
   this work for additional information regarding copyright ownership.
   The ASF licenses this file to You under the Apache License, Version 2.0
   (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.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.

 */
package org.apache.batik.css.dom;

import org.apache.batik.css.engine.value.FloatValue;
import org.apache.batik.css.engine.value.Value;
import org.apache.batik.css.engine.value.svg.ICCColor;
import org.apache.batik.util.CSSConstants;

import org.w3c.dom.DOMException;
import org.w3c.dom.css.CSSPrimitiveValue;
import org.w3c.dom.css.CSSValue;
import org.w3c.dom.svg.SVGPaint;

/**
 * This class implements the {@link SVGPaint} interface.
 *
 * @author <a href="mailto:stephane@hillion.org">Stephane Hillion</a>
 * @version $Id: CSSOMSVGPaint.java 1733416 2016-03-03 07:07:13Z gadams $
 */
public class CSSOMSVGPaint extends CSSOMSVGColor implements SVGPaint {

    /**
     * Creates a new CSSOMSVGPaint.
     */
    public CSSOMSVGPaint(ValueProvider vp) {
        super(vp);
    }

    /**
     * Sets the modification handler of this value.
     */
    public void setModificationHandler(ModificationHandler h) {
        if (!(h instanceof PaintModificationHandler)) {
            throw new IllegalArgumentException();
        }
        super.setModificationHandler(h);
    }

    /**
     * <b>DOM</b>: Implements {@link
     * org.w3c.dom.svg.SVGColor#getColorType()}.
     */
    public short getColorType() {
        throw new DOMException(DOMException.INVALID_ACCESS_ERR, "");
    }

    /**
     * <b>DOM</b>: Implements {@link
     * org.w3c.dom.svg.SVGPaint#getPaintType()}.
     */
    public short getPaintType() {
        Value value = valueProvider.getValue();
        switch (value.getCssValueType()) {
        case CSSValue.CSS_PRIMITIVE_VALUE:
            switch (value.getPrimitiveType()) {
            case CSSPrimitiveValue.CSS_IDENT: {
                String str = value.getStringValue();
                if (str.equalsIgnoreCase(CSSConstants.CSS_NONE_VALUE)) {
                    return SVG_PAINTTYPE_NONE;
                } else if (str.equalsIgnoreCase
                           (CSSConstants.CSS_CURRENTCOLOR_VALUE)) {
                    return SVG_PAINTTYPE_CURRENTCOLOR;
                }
                return SVG_PAINTTYPE_RGBCOLOR;
            }
            case CSSPrimitiveValue.CSS_RGBCOLOR:
                return SVG_PAINTTYPE_RGBCOLOR;

            case CSSPrimitiveValue.CSS_URI:
                return SVG_PAINTTYPE_URI;
            }
            break;

        case CSSValue.CSS_VALUE_LIST:
            Value v0 = value.item(0);
            Value v1 = value.item(1);
            switch (v0.getPrimitiveType()) {
            case CSSPrimitiveValue.CSS_IDENT:
                return SVG_PAINTTYPE_RGBCOLOR_ICCCOLOR;
            case CSSPrimitiveValue.CSS_URI:
                if (v1.getCssValueType() == CSSValue.CSS_VALUE_LIST)
                    // Should probably check this more deeply...
                    return SVG_PAINTTYPE_URI_RGBCOLOR_ICCCOLOR;

                switch (v1.getPrimitiveType()) {
                case CSSPrimitiveValue.CSS_IDENT: {
                    String str = v1.getStringValue();
                    if (str.equalsIgnoreCase(CSSConstants.CSS_NONE_VALUE)) {
                        return SVG_PAINTTYPE_URI_NONE;
                    } else if (str.equalsIgnoreCase
                               (CSSConstants.CSS_CURRENTCOLOR_VALUE)) {
                        return SVG_PAINTTYPE_URI_CURRENTCOLOR;
                    }
                    return SVG_PAINTTYPE_URI_RGBCOLOR;
                }
                case CSSPrimitiveValue.CSS_RGBCOLOR:
                    return SVG_PAINTTYPE_URI_RGBCOLOR;
                }

            case CSSPrimitiveValue.CSS_RGBCOLOR:
                return SVG_PAINTTYPE_RGBCOLOR_ICCCOLOR;
            }
        }
        return SVG_PAINTTYPE_UNKNOWN;
    }

    /**
     * <b>DOM</b>: Implements {@link org.w3c.dom.svg.SVGPaint#getUri()}.
     */
    public String getUri() {
        switch (getPaintType()) {
        case SVG_PAINTTYPE_URI:
            return valueProvider.getValue().getStringValue();

        case SVG_PAINTTYPE_URI_NONE:
        case SVG_PAINTTYPE_URI_CURRENTCOLOR:
        case SVG_PAINTTYPE_URI_RGBCOLOR:
        case SVG_PAINTTYPE_URI_RGBCOLOR_ICCCOLOR:
            return valueProvider.getValue().item(0).getStringValue();
        }
        throw new InternalError();
    }

    /**
     * <b>DOM</b>: Implements {@link org.w3c.dom.svg.SVGPaint#setUri(String)}.
     */
    public void setUri(String uri) {
        if (handler == null) {
            throw new DOMException
                (DOMException.NO_MODIFICATION_ALLOWED_ERR, "");
        } else {
            ((PaintModificationHandler)handler).uriChanged(uri);
        }
    }

    /**
     * <b>DOM</b>: Implements {@link
     * org.w3c.dom.svg.SVGPaint#setPaint(short,String,String,String)}.
     */
    public void setPaint(short paintType, String uri,
                         String rgbColor, String iccColor) {
        if (handler == null) {
            throw new DOMException
                (DOMException.NO_MODIFICATION_ALLOWED_ERR, "");
        } else {
            ((PaintModificationHandler)handler).paintChanged
                (paintType, uri, rgbColor, iccColor);
        }
    }

    /**
     * To manage the modifications on a SVGPaint value.
     */
    public interface PaintModificationHandler extends ModificationHandler {

        /**
         * Called when the URI has been modified.
         */
        void uriChanged(String uri);

        /**
         * Called when the paint value has beem modified.
         */
        void paintChanged(short type, String uri, String rgb, String icc);
    }

    /**
     * Provides an abstract implementation of a PaintModificationHandler.
     */
    public abstract class AbstractModificationHandler
        implements PaintModificationHandler {

        /**
         * Returns the associated value.
         */
        protected abstract Value getValue();

        /**
         * Called when the red value text has changed.
         */
        public void redTextChanged(String text) throws DOMException {
            switch (getPaintType()) {
            case SVG_PAINTTYPE_RGBCOLOR:
                text = "rgb(" +
                    text + ", " +
                    getValue().getGreen().getCssText() + ", " +
                    getValue().getBlue().getCssText() + ')';
                break;

            case SVG_PAINTTYPE_RGBCOLOR_ICCCOLOR:
                text = "rgb(" +
                    text + ", " +
                    getValue().item(0).getGreen().getCssText() + ", " +
                    getValue().item(0).getBlue().getCssText() + ") " +
                    getValue().item(1).getCssText();
                break;

            case SVG_PAINTTYPE_URI_RGBCOLOR:
                text = getValue().item(0) +
                    " rgb(" +
                    text + ", " +
                    getValue().item(1).getGreen().getCssText() + ", " +
                    getValue().item(1).getBlue().getCssText() + ')';
                break;

            case SVG_PAINTTYPE_URI_RGBCOLOR_ICCCOLOR:
                text = getValue().item(0) +
                    " rgb(" +
                    text + ", " +
                    getValue().item(1).getGreen().getCssText() + ", " +
                    getValue().item(1).getBlue().getCssText() + ") " +
                    getValue().item(2).getCssText();
                break;

            default:
                throw new DOMException
                    (DOMException.NO_MODIFICATION_ALLOWED_ERR, "");
            }
            textChanged(text);
        }

        /**
         * Called when the red float value has changed.
         */
        public void redFloatValueChanged(short unit, float value)
            throws DOMException {
            String text;
            switch (getPaintType()) {
            case SVG_PAINTTYPE_RGBCOLOR:
                text = "rgb(" +
                    FloatValue.getCssText(unit, value) + ", " +
                    getValue().getGreen().getCssText() + ", " +
                    getValue().getBlue().getCssText() + ')';
                break;

            case SVG_PAINTTYPE_RGBCOLOR_ICCCOLOR:
                text = "rgb(" +
                    FloatValue.getCssText(unit, value) + ", " +
                    getValue().item(0).getGreen().getCssText() + ", " +
                    getValue().item(0).getBlue().getCssText() + ") " +
                    getValue().item(1).getCssText();
                break;

            case SVG_PAINTTYPE_URI_RGBCOLOR:
                text = getValue().item(0) +
                    " rgb(" +
                    FloatValue.getCssText(unit, value) + ", " +
                    getValue().item(1).getGreen().getCssText() + ", " +
                    getValue().item(1).getBlue().getCssText() + ')';
                break;

            case SVG_PAINTTYPE_URI_RGBCOLOR_ICCCOLOR:
                text = getValue().item(0) +
                    " rgb(" +
                    FloatValue.getCssText(unit, value) + ", " +
                    getValue().item(1).getGreen().getCssText() + ", " +
                    getValue().item(1).getBlue().getCssText() + ") " +
                    getValue().item(2).getCssText();
                break;

            default:
                throw new DOMException
                    (DOMException.NO_MODIFICATION_ALLOWED_ERR, "");
            }
            textChanged(text);
        }

        /**
         * Called when the green value text has changed.
         */
        public void greenTextChanged(String text) throws DOMException {
            switch (getPaintType()) {
            case SVG_PAINTTYPE_RGBCOLOR:
                text = "rgb(" +
                    getValue().getRed().getCssText() + ", " +
                    text + ", " +
                    getValue().getBlue().getCssText() + ')';
                break;

            case SVG_PAINTTYPE_RGBCOLOR_ICCCOLOR:
                text = "rgb(" +
                    getValue().item(0).getRed().getCssText() + ", " +
                    text + ", " +
                    getValue().item(0).getBlue().getCssText() + ") " +
                    getValue().item(1).getCssText();
                break;

            case SVG_PAINTTYPE_URI_RGBCOLOR:
                text = getValue().item(0) +
                    " rgb(" +
                    getValue().item(1).getRed().getCssText() + ", " +
                    text + ", " +
                    getValue().item(1).getBlue().getCssText() + ')';
                break;

            case SVG_PAINTTYPE_URI_RGBCOLOR_ICCCOLOR:
                text = getValue().item(0) +
                    " rgb(" +
                    getValue().item(1).getRed().getCssText() + ", " +
                    text + ", " +
                    getValue().item(1).getBlue().getCssText() + ") " +
                    getValue().item(2).getCssText();
                break;

            default:
                throw new DOMException
                    (DOMException.NO_MODIFICATION_ALLOWED_ERR, "");
            }
            textChanged(text);
        }

        /**
         * Called when the green float value has changed.
         */
        public void greenFloatValueChanged(short unit, float value)
            throws DOMException {
            String text;
            switch (getPaintType()) {
            case SVG_PAINTTYPE_RGBCOLOR:
                text = "rgb(" +
                    getValue().getRed().getCssText() + ", " +
                    FloatValue.getCssText(unit, value) + ", " +
                    getValue().getBlue().getCssText() + ')';
                break;

            case SVG_PAINTTYPE_RGBCOLOR_ICCCOLOR:
                text = "rgb(" +
                    getValue().item(0).getRed().getCssText() + ", " +
                    FloatValue.getCssText(unit, value) + ", " +
                    getValue().item(0).getBlue().getCssText() + ") " +
                    getValue().item(1).getCssText();
                break;

            case SVG_PAINTTYPE_URI_RGBCOLOR:
                text = getValue().item(0) +
                    " rgb(" +
                    getValue().item(1).getRed().getCssText() + ", " +
                    FloatValue.getCssText(unit, value) + ", " +
                    getValue().item(1).getBlue().getCssText() + ')';
                break;

            case SVG_PAINTTYPE_URI_RGBCOLOR_ICCCOLOR:
                text = getValue().item(0) +
                    " rgb(" +
                    getValue().item(1).getRed().getCssText() + ", " +
                    FloatValue.getCssText(unit, value) + ", " +
                    getValue().item(1).getBlue().getCssText() + ") " +
                    getValue().item(2).getCssText();
                break;

            default:
                throw new DOMException
                    (DOMException.NO_MODIFICATION_ALLOWED_ERR, "");
            }
            textChanged(text);
        }

        /**
         * Called when the blue value text has changed.
         */
        public void blueTextChanged(String text) throws DOMException {
            switch (getPaintType()) {
            case SVG_PAINTTYPE_RGBCOLOR:
                text = "rgb(" +
                    getValue().getRed().getCssText() + ", " +
                    getValue().getGreen().getCssText() + ", " +
                    text + ')';
                break;

            case SVG_PAINTTYPE_RGBCOLOR_ICCCOLOR:
                text = "rgb(" +
                    getValue().item(0).getRed().getCssText() + ", " +
                    getValue().item(0).getGreen().getCssText() + ", " +
                    text + ") " +
                    getValue().item(1).getCssText();
                break;

            case SVG_PAINTTYPE_URI_RGBCOLOR:
                text = getValue().item(0) +
                    " rgb(" +
                    getValue().item(1).getRed().getCssText() + ", " +
                    getValue().item(1).getGreen().getCssText() + ", " +
                    text + ")";
                break;

            case SVG_PAINTTYPE_URI_RGBCOLOR_ICCCOLOR:
                text = getValue().item(0) +
                    " rgb(" +
                    getValue().item(1).getRed().getCssText() + ", " +
                    getValue().item(1).getGreen().getCssText() + ", " +
                    text + ") " +
                    getValue().item(2).getCssText();
                break;

            default:
                throw new DOMException
                    (DOMException.NO_MODIFICATION_ALLOWED_ERR, "");
            }
            textChanged(text);
        }

        /**
         * Called when the blue float value has changed.
         */
        public void blueFloatValueChanged(short unit, float value)
            throws DOMException {
            String text;
            switch (getPaintType()) {
            case SVG_PAINTTYPE_RGBCOLOR:
                text = "rgb(" +
                    getValue().getRed().getCssText() + ", " +
                    getValue().getGreen().getCssText() + ", " +
                    FloatValue.getCssText(unit, value) + ')';
                break;

            case SVG_PAINTTYPE_RGBCOLOR_ICCCOLOR:
                text = "rgb(" +
                    getValue().item(0).getRed().getCssText() + ", " +
                    getValue().item(0).getGreen().getCssText() + ", " +
                    FloatValue.getCssText(unit, value) + ") " +
                    getValue().item(1).getCssText();
                break;

            case SVG_PAINTTYPE_URI_RGBCOLOR:
                text = getValue().item(0) +
                    " rgb(" +
                    getValue().item(1).getRed().getCssText() + ", " +
                    getValue().item(1).getGreen().getCssText() + ", " +
                    FloatValue.getCssText(unit, value) + ')';
                break;

            case SVG_PAINTTYPE_URI_RGBCOLOR_ICCCOLOR:
                text = getValue().item(0) +
                    " rgb(" +
                    getValue().item(1).getRed().getCssText() + ", " +
                    getValue().item(1).getGreen().getCssText() + ", " +
                    FloatValue.getCssText(unit, value) + ") " +
                    getValue().item(2).getCssText();
                break;

            default:
                throw new DOMException
                    (DOMException.NO_MODIFICATION_ALLOWED_ERR, "");
            }
            textChanged(text);
        }

        /**
         * Called when the RGBColor text has changed.
         */
        public void rgbColorChanged(String text) throws DOMException {
            switch (getPaintType()) {
            case SVG_PAINTTYPE_RGBCOLOR:
                break;

            case SVG_PAINTTYPE_RGBCOLOR_ICCCOLOR:
                text += getValue().item(1).getCssText();
                break;

            case SVG_PAINTTYPE_URI_RGBCOLOR:
                text = getValue().item(0).getCssText() + ' ' + text;
                break;

            case SVG_PAINTTYPE_URI_RGBCOLOR_ICCCOLOR:
                text = getValue().item(0).getCssText() + ' ' + text + ' ' +
                    getValue().item(2).getCssText();
                break;

            default:
                throw new DOMException
                    (DOMException.NO_MODIFICATION_ALLOWED_ERR, "");
            }
            textChanged(text);
        }

        /**
         * Called when the RGBColor and the ICCColor text has changed.
         */
        public void rgbColorICCColorChanged(String rgb, String icc)
            throws DOMException {
            switch (getPaintType()) {
            case SVG_PAINTTYPE_RGBCOLOR_ICCCOLOR:
                textChanged(rgb + ' ' + icc);
                break;

            case SVG_PAINTTYPE_URI_RGBCOLOR_ICCCOLOR:
                textChanged(getValue().item(0).getCssText() + ' ' +
                            rgb + ' ' + icc);
                break;

            default:
                throw new DOMException
                    (DOMException.NO_MODIFICATION_ALLOWED_ERR, "");
            }
        }

        /**
         * Called when the SVGColor has changed.
         */
        public void colorChanged(short type, String rgb, String icc)
            throws DOMException {
            switch (type) {
            case SVG_PAINTTYPE_CURRENTCOLOR:
                textChanged("currentcolor");
                break;

            case SVG_PAINTTYPE_RGBCOLOR:
                textChanged(rgb);
                break;

            case SVG_PAINTTYPE_RGBCOLOR_ICCCOLOR:
                textChanged(rgb + ' ' + icc);
                break;

            default:
                throw new DOMException(DOMException.NOT_SUPPORTED_ERR, "");
            }
        }

        /**
         * Called when the ICC color profile has changed.
         */
        public void colorProfileChanged(String cp) throws DOMException {
            switch (getPaintType()) {
            case SVG_PAINTTYPE_RGBCOLOR_ICCCOLOR:
                StringBuffer sb =
                    new StringBuffer(getValue().item(0).getCssText());
                sb.append(" icc-color(");
                sb.append(cp);
                ICCColor iccc = (ICCColor)getValue().item(1);
                for (int i = 0; i < iccc.getLength(); i++) {
                    sb.append( ',' );
                    sb.append(iccc.getColor(i));
                }
                sb.append( ')' );
                textChanged(sb.toString());
                break;

            case SVG_PAINTTYPE_URI_RGBCOLOR_ICCCOLOR:
                sb = new StringBuffer(getValue().item(0).getCssText());
                sb.append( ' ' );
                sb.append(getValue().item(1).getCssText());
                sb.append(" icc-color(");
                sb.append(cp);
                iccc = (ICCColor)getValue().item(1);
                for (int i = 0; i < iccc.getLength(); i++) {
                    sb.append( ',' );
                    sb.append(iccc.getColor(i));
                }
                sb.append( ')' );
                textChanged(sb.toString());
                break;

            default:
                throw new DOMException
                    (DOMException.NO_MODIFICATION_ALLOWED_ERR, "");
            }
        }

        /**
         * Called when the ICC colors has changed.
         */
        public void colorsCleared() throws DOMException {
            switch (getPaintType()) {
            case SVG_PAINTTYPE_RGBCOLOR_ICCCOLOR:
                StringBuffer sb =
                    new StringBuffer(getValue().item(0).getCssText());
                sb.append(" icc-color(");
                ICCColor iccc = (ICCColor)getValue().item(1);
                sb.append(iccc.getColorProfile());
                sb.append( ')' );
                textChanged(sb.toString());
                break;

            case SVG_PAINTTYPE_URI_RGBCOLOR_ICCCOLOR:
                sb = new StringBuffer(getValue().item(0).getCssText());
                sb.append( ' ' );
                sb.append(getValue().item(1).getCssText());
                sb.append(" icc-color(");
                iccc = (ICCColor)getValue().item(1);
                sb.append(iccc.getColorProfile());
                sb.append( ')' );
                textChanged(sb.toString());
                break;

            default:
                throw new DOMException
                    (DOMException.NO_MODIFICATION_ALLOWED_ERR, "");
            }
        }

        /**
         * Called when the ICC colors has been initialized.
         */
        public void colorsInitialized(float f) throws DOMException {
            switch (getPaintType()) {
            case SVG_PAINTTYPE_RGBCOLOR_ICCCOLOR:
                StringBuffer sb =
                    new StringBuffer(getValue().item(0).getCssText());
                sb.append(" icc-color(");
                ICCColor iccc = (ICCColor)getValue().item(1);
                sb.append(iccc.getColorProfile());
                sb.append( ',' );
                sb.append(f);
                sb.append( ')' );
                textChanged(sb.toString());
                break;

            case SVG_PAINTTYPE_URI_RGBCOLOR_ICCCOLOR:
                sb = new StringBuffer(getValue().item(0).getCssText());
                sb.append( ' ' );
                sb.append(getValue().item(1).getCssText());
                sb.append(" icc-color(");
                iccc = (ICCColor)getValue().item(1);
                sb.append(iccc.getColorProfile());
                sb.append( ',' );
                sb.append(f);
                sb.append( ')' );
                textChanged(sb.toString());
                break;

            default:
                throw new DOMException
                    (DOMException.NO_MODIFICATION_ALLOWED_ERR, "");
            }
        }

        /**
         * Called when the ICC color has been inserted.
         */
        public void colorInsertedBefore(float f, int idx) throws DOMException {
            switch (getPaintType()) {
            case SVG_PAINTTYPE_RGBCOLOR_ICCCOLOR:
                StringBuffer sb =
                    new StringBuffer(getValue().item(0).getCssText());
                sb.append(" icc-color(");
                ICCColor iccc = (ICCColor)getValue().item(1);
                sb.append(iccc.getColorProfile());
                for (int i = 0; i < idx; i++) {
                    sb.append( ',' );
                    sb.append(iccc.getColor(i));
                }
                sb.append( ',' );
                sb.append(f);
                for (int i = idx; i < iccc.getLength(); i++) {
                    sb.append( ',' );
                    sb.append(iccc.getColor(i));
                }
                sb.append( ')' );
                textChanged(sb.toString());
                break;

            case SVG_PAINTTYPE_URI_RGBCOLOR_ICCCOLOR:
                sb = new StringBuffer(getValue().item(0).getCssText());
                sb.append( ' ' );
                sb.append(getValue().item(1).getCssText());
                sb.append(" icc-color(");
                iccc = (ICCColor)getValue().item(1);
                sb.append(iccc.getColorProfile());
                for (int i = 0; i < idx; i++) {
                    sb.append( ',' );
                    sb.append(iccc.getColor(i));
                }
                sb.append( ',' );
                sb.append(f);
                for (int i = idx; i < iccc.getLength(); i++) {
                    sb.append( ',' );
                    sb.append(iccc.getColor(i));
                }
                sb.append( ')' );
                textChanged(sb.toString());
                break;

            default:
                throw new DOMException
                    (DOMException.NO_MODIFICATION_ALLOWED_ERR, "");
            }
        }

        /**
         * Called when the ICC color has been replaced.
         */
        public void colorReplaced(float f, int idx) throws DOMException {
            switch (getPaintType()) {
            case SVG_PAINTTYPE_RGBCOLOR_ICCCOLOR:
                StringBuffer sb =
                    new StringBuffer(getValue().item(0).getCssText());
                sb.append(" icc-color(");
                ICCColor iccc = (ICCColor)getValue().item(1);
                sb.append(iccc.getColorProfile());
                for (int i = 0; i < idx; i++) {
                    sb.append( ',' );
                    sb.append(iccc.getColor(i));
                }
                sb.append( ',' );
                sb.append(f);
                for (int i = idx + 1; i < iccc.getLength(); i++) {
                    sb.append( ',' );
                    sb.append(iccc.getColor(i));
                }
                sb.append( ')' );
                textChanged(sb.toString());
                break;

            case SVG_PAINTTYPE_URI_RGBCOLOR_ICCCOLOR:
                sb = new StringBuffer(getValue().item(0).getCssText());
                sb.append( ' ' );
                sb.append(getValue().item(1).getCssText());
                sb.append(" icc-color(");
                iccc = (ICCColor)getValue().item(1);
                sb.append(iccc.getColorProfile());
                for (int i = 0; i < idx; i++) {
                    sb.append( ',' );
                    sb.append(iccc.getColor(i));
                }
                sb.append( ',' );
                sb.append(f);
                for (int i = idx + 1; i < iccc.getLength(); i++) {
                    sb.append( ',' );
                    sb.append(iccc.getColor(i));
                }
                sb.append( ')' );
                textChanged(sb.toString());
                break;

            default:
                throw new DOMException
                    (DOMException.NO_MODIFICATION_ALLOWED_ERR, "");
            }
        }

        /**
         * Called when the ICC color has been removed.
         */
        public void colorRemoved(int idx) throws DOMException {
            switch (getPaintType()) {
            case SVG_PAINTTYPE_RGBCOLOR_ICCCOLOR:
                StringBuffer sb =
                    new StringBuffer(getValue().item(0).getCssText());
                sb.append(" icc-color(");
                ICCColor iccc = (ICCColor)getValue().item(1);
                sb.append(iccc.getColorProfile());
                for (int i = 0; i < idx; i++) {
                    sb.append( ',' );
                    sb.append(iccc.getColor(i));
                }
                for (int i = idx + 1; i < iccc.getLength(); i++) {
                    sb.append( ',' );
                    sb.append(iccc.getColor(i));
                }
                sb.append( ')' );
                textChanged(sb.toString());
                break;

            case SVG_PAINTTYPE_URI_RGBCOLOR_ICCCOLOR:
                sb = new StringBuffer(getValue().item(0).getCssText());
                sb.append( ' ' );
                sb.append(getValue().item(1).getCssText());
                sb.append(" icc-color(");
                iccc = (ICCColor)getValue().item(1);
                sb.append(iccc.getColorProfile());
                for (int i = 0; i < idx; i++) {
                    sb.append( ',' );
                    sb.append(iccc.getColor(i));
                }
                for (int i = idx + 1; i < iccc.getLength(); i++) {
                    sb.append( ',' );
                    sb.append(iccc.getColor(i));
                }
                sb.append( ')' );
                textChanged(sb.toString());
                break;

            default:
                throw new DOMException
                    (DOMException.NO_MODIFICATION_ALLOWED_ERR, "");
            }
        }

        /**
         * Called when the ICC color has been append.
         */
        public void colorAppend(float f) throws DOMException {
            switch (getPaintType()) {
            case SVG_PAINTTYPE_RGBCOLOR_ICCCOLOR:
                StringBuffer sb =
                    new StringBuffer(getValue().item(0).getCssText());
                sb.append(" icc-color(");
                ICCColor iccc = (ICCColor)getValue().item(1);
                sb.append(iccc.getColorProfile());
                for (int i = 0; i < iccc.getLength(); i++) {
                    sb.append( ',' );
                    sb.append(iccc.getColor(i));
                }
                sb.append( ',' );
                sb.append(f);
                sb.append( ')' );
                textChanged(sb.toString());
                break;

            case SVG_PAINTTYPE_URI_RGBCOLOR_ICCCOLOR:
                sb = new StringBuffer(getValue().item(0).getCssText());
                sb.append( ' ' );
                sb.append(getValue().item(1).getCssText());
                sb.append(" icc-color(");
                iccc = (ICCColor)getValue().item(1);
                sb.append(iccc.getColorProfile());
                for (int i = 0; i < iccc.getLength(); i++) {
                    sb.append( ',' );
                    sb.append(iccc.getColor(i));
                }
                sb.append( ',' );
                sb.append(f);
                sb.append( ')' );
                textChanged(sb.toString());
                break;

            default:
                throw new DOMException
                    (DOMException.NO_MODIFICATION_ALLOWED_ERR, "");
            }
        }

        /**
         * Called when the URI has been modified.
         */
        public void uriChanged(String uri) {
            textChanged("url(" + uri + ") none");
        }

        /**
         * Called when the paint value has beem modified.
         */
        public void paintChanged(short type, String uri,
                                 String rgb, String icc) {
            switch (type) {
            case SVG_PAINTTYPE_NONE:
                textChanged("none");
                break;

            case SVG_PAINTTYPE_CURRENTCOLOR:
                textChanged("currentcolor");
                break;

            case SVG_PAINTTYPE_RGBCOLOR:
                textChanged(rgb);
                break;

            case SVG_PAINTTYPE_RGBCOLOR_ICCCOLOR:
                textChanged(rgb + ' ' + icc);
                break;

            case SVG_PAINTTYPE_URI:
                textChanged("url(" + uri + ')' );
                break;

            case SVG_PAINTTYPE_URI_NONE:
                textChanged("url(" + uri + ") none");
                break;

            case SVG_PAINTTYPE_URI_CURRENTCOLOR:
                textChanged("url(" + uri + ") currentcolor");
                break;

            case SVG_PAINTTYPE_URI_RGBCOLOR:
                textChanged("url(" + uri + ") " + rgb);
                break;

            case SVG_PAINTTYPE_URI_RGBCOLOR_ICCCOLOR:
                textChanged("url(" + uri + ") " + rgb + ' ' + icc);
            }
        }
    }

}
