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//
// $Id: CssBackgroundAttachmentMob.java,v 1.4 2010-01-05 13:49:39 ylafon Exp $
// From Philippe Le Hegaret ([email protected])
//
// (c) COPYRIGHT MIT and INRIA, 1997.
// Please first read the full copyright statement in file COPYRIGHT.html
package org.w3c.css.properties.css1;

import org.w3c.css.parser.CssStyle;
import org.w3c.css.properties.css.CssBackgroundConstants;
import org.w3c.css.properties.css.CssProperty;
import org.w3c.css.util.ApplContext;
import org.w3c.css.util.InvalidParamException;
import org.w3c.css.values.CssExpression;
import org.w3c.css.values.CssIdent;
import org.w3c.css.values.CssValue;

/**
 *   

*    'background-attachment' *

*

* Value: scroll | fixed
* Initial: scroll
* Applies to: all elements
* Inherited: no
* Percentage values: N/A
*

* If a background image is specified, the value of 'background-attachment' * determines if it is fixed with regard to the canvas or if it scrolls along * with the content. *

 *   BODY {
 *     background: red url(pendant.gif);
 *     background-repeat: repeat-y;
 *     background-attachment: fixed;
 *   }
 * 
* @version $Revision: 1.4 $ */ public class CssBackgroundAttachmentMob extends CssProperty implements CssBackgroundConstants { int attachment; private static int[] hash_values; /** * Create a new CssBackgroundAttachmentMob */ public CssBackgroundAttachmentMob() { // nothing to do } /** * Creates a new CssBackgroundAttachmentMob * * @param expression The expression for this property * @exception InvalidParamException Values are incorrect */ public CssBackgroundAttachmentMob(ApplContext ac, CssExpression expression, boolean check) throws InvalidParamException { if(check && expression.getCount() > 1) { throw new InvalidParamException("unrecognize", ac); } setByUser(); CssValue val = expression.getValue(); if (val instanceof CssIdent) { int hash = val.hashCode(); for (int i =0; i < ATTACHMENT.length; i++) if (hash_values[i] == hash) { attachment = i; expression.next(); return; } } throw new InvalidParamException("value", expression.getValue(), getPropertyName(), ac); } public CssBackgroundAttachmentMob(ApplContext ac, CssExpression expression) throws InvalidParamException { this(ac, expression, false); } /** * Returns the value of this property */ public Object get() { return ATTACHMENT[attachment]; } /** * Returns true if this property is "softly" inherited * e.g. his value equals inherit */ public boolean isSoftlyInherited() { return attachment == 2; } /** * Returns a string representation of the object. */ public String toString() { return ATTACHMENT[attachment]; } /** * Returns the name of this property */ public String getPropertyName() { return "background-attachment"; } /** * Add this property to the CssStyle. * * @param style The CssStyle */ public void addToStyle(ApplContext ac, CssStyle style) { CssBackgroundMob cssBackground = ((Css1Style) style).cssBackgroundMob; if (cssBackground.attachment != null) style.addRedefinitionWarning(ac, this); cssBackground.attachment = this; } /** * Get this property in the style. * * @param style The style where the property is * @param resolve if true, resolve the style to find this property */ public CssProperty getPropertyInStyle(CssStyle style, boolean resolve) { if (resolve) { return ((Css1Style) style).getBackgroundAttachmentMob(); } else { return ((Css1Style) style).cssBackgroundMob.attachment; } } /** * Compares two properties for equality. * * @param value The other property. */ public boolean equals(CssProperty property) { return (property instanceof CssBackgroundAttachmentMob && attachment == ((CssBackgroundAttachmentMob) property).attachment); } /** * Is the value of this property is a default value. * It is used by all macro for the function print */ public boolean isDefault() { return attachment == 0; } static { hash_values = new int[ATTACHMENT.length]; for (int i = 0; i < ATTACHMENT.length; i++) hash_values[i] = ATTACHMENT[i].hashCode(); } }




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