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/*
 * Copyright 1999-2004 The Apache Software Foundation.
 * 
 * Licensed 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.
 */

/* $Id$ */

package org.apache.fop.fo.flow;

// XML
import org.xml.sax.Attributes;
import org.xml.sax.SAXParseException;

// FOP
import org.apache.fop.apps.FOPException;
import org.apache.fop.fo.CharIterator;
import org.apache.fop.fo.FONode;
import org.apache.fop.fo.FObjMixed;
import org.apache.fop.fo.InlineCharIterator;
import org.apache.fop.layoutmgr.AddLMVisitor;
import org.apache.fop.fo.properties.CommonAccessibility;
import org.apache.fop.fo.properties.CommonAural;
import org.apache.fop.fo.properties.CommonBackground;
import org.apache.fop.fo.properties.CommonBorderAndPadding;
import org.apache.fop.fo.properties.CommonMarginInline;
import org.apache.fop.fo.properties.CommonRelativePosition;

/**
 * Class modelling the fo:inline object. See Sec. 6.6.7 of the XSL-FO Standard.
 */
public class Inline extends FObjMixed {

    // Textdecoration
    /** is this text underlined? */
    protected boolean underlined = false;
    /** is this text overlined? */
    protected boolean overlined = false;
    /** is this text lined through? */
    protected boolean lineThrough = false;

    /**
     * @param parent FONode that is the parent of this object
     */
    public Inline(FONode parent) {
        super(parent);
    }

    /**
     * @see org.apache.fop.fo.FObj#addProperties
     */
    protected void addProperties(Attributes attlist) throws FOPException {
        super.addProperties(attlist);

        if (parent.getName().equals("fo:flow")) {
            throw new FOPException("inline formatting objects cannot"
                                   + " be directly under flow");
        }

        // Common Accessibility Properties
        CommonAccessibility mAccProps = propMgr.getAccessibilityProps();

        // Common Aural Properties
        CommonAural mAurProps = propMgr.getAuralProps();

        // Common Border, Padding, and Background Properties
        CommonBorderAndPadding bap = propMgr.getBorderAndPadding();
        CommonBackground bProps = propMgr.getBackgroundProps();

        // Common Font Properties
        //this.fontState = propMgr.getFontState(area.getFontInfo());

        // Common Margin Properties-Inline
        CommonMarginInline mProps = propMgr.getMarginInlineProps();

        // Common Relative Position Properties
        CommonRelativePosition mRelProps = propMgr.getRelativePositionProps();

        // this.propertyList.get("alignment-adjust");
        // this.propertyList.get("alignment-baseline");
        // this.propertyList.get("baseline-shift");
        // this.propertyList.get("color");
        // this.propertyList.get("dominant-baseline");
        setupID();
        // this.propertyList.get("keep-together");
        // this.propertyList.get("keep-with-next");
        // this.propertyList.get("keep-with-previous");
        // this.propertyList.get("line-height");
        // this.propertyList.get("line-height-shift-adjustment");
        // this.propertyList.get("text-devoration");
        // this.propertyList.get("visibility");
        // this.propertyList.get("z-index");

        int textDecoration = this.propertyList.get(PR_TEXT_DECORATION).getEnum();

        if (textDecoration == TextDecoration.UNDERLINE) {
            this.underlined = true;
        }

        if (textDecoration == TextDecoration.OVERLINE) {
            this.overlined = true;
        }

        if (textDecoration == TextDecoration.LINE_THROUGH) {
            this.lineThrough = true;
        }
        
        getFOInputHandler().startInline(this);
    }

    /**
     * @return true (Inline can contain Markers)
     */
    protected boolean containsMarkers() {
        return true;
    }

    /**
     * @see org.apache.fop.fo.FObjMixed#charIterator
     */
    public CharIterator charIterator() {
        return new InlineCharIterator(this, propMgr.getBorderAndPadding());
    }

    public void acceptVisitor(AddLMVisitor aLMV) {
        aLMV.serveInline(this);
    }

    /**
     * @see org.apache.fop.fo.FONode#end
     */
    protected void endOfNode() throws SAXParseException {
        getFOInputHandler().endInline(this);
    }

    public String getName() {
        return "fo:inline";
    }
}