// // $Id: CssBackgroundSize.java,v 1.2 2005/09/14 15:15:04 ylafon Exp $ // From Sijtsche Smeman (sijtsche@wisdom.nl) // // (c) COPYRIGHT MIT and INRIA, 1997. // Please first read the full copyright statement in file COPYRIGHT.html package org.w3c.css.properties.css3; import org.w3c.css.parser.CssStyle; import org.w3c.css.properties.css1.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.CssLength; import org.w3c.css.values.CssNumber; import org.w3c.css.values.CssPercentage; import org.w3c.css.values.CssValue; /** *

*    'background-size' *

*

* Value: [<length> | <percentage> | auto]{1.2};
* Initial: auto
* Applies to: all elements
* Inherited: yes
* Percentage values: see text
*

* In case there is a 'background-image', the background-size can be used to stretch or shrink it. * If the property has only one value, it applies both horizontally and vertically. If there are * two, the first one refers to the width, the second to the height of the background image. */ public class CssBackgroundSize extends CssProperty { public CssValue value1 = null; CssValue value2 = null; CssIdent auto = new CssIdent("auto"); /** * Create a new CssBackgroundSize */ public CssBackgroundSize() { } /** * Create a new CssBackgroundSize * * @param expression The expression for this property * @exception InvalidParamException Values are incorrect */ public CssBackgroundSize(ApplContext ac, CssExpression expression, boolean check) throws InvalidParamException { for (int i = 0; i < 2; i++) { CssValue val = expression.getValue(); setByUser(); if ((i == 0) || (i == 1 && val != null)) { if (val.equals(auto)) { if (i == 0) { value1 = auto; } else { value2 = auto; } } else if (val instanceof CssLength || val instanceof CssPercentage) { if (i == 0) { value1 = val; } else { value2 = val; } } else if (val instanceof CssNumber) { if (i == 0) { value1 = ((CssNumber) val).getLength(); } else { value2 = ((CssNumber) val).getLength(); } } else { throw new InvalidParamException("value", val.toString(), getPropertyName(), ac); } expression.next(); } } } public CssBackgroundSize(ApplContext ac, CssExpression expression) throws InvalidParamException { this(ac, expression, false); } /** * Add this property to the CssStyle * * @param style The CssStyle */ public void addToStyle(ApplContext ac, CssStyle style) { if (((Css3Style) style).cssBackgroundSize != null) style.addRedefinitionWarning(ac, this); ((Css3Style) style).cssBackgroundSize = 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 ((Css3Style) style).getCssBackgroundSize(); } else { return ((Css3Style) style).cssBackgroundSize; } } /** * Compares two properties for equality. * * @param value The other property. */ public boolean equals(CssProperty property) { //return (property instanceof CssBackgroundSize && // value.equals(((CssBackgroundSize) property).cssBackgroundSize)); return false; } /** * Returns the name of this property */ public String getPropertyName() { return "background-size"; } /** * Returns the value of this property */ public Object get() { return value1; } /** * Returns true if this property is "softly" inherited */ public boolean isSoftlyInherited() { return false; } /** * Returns a string representation of the object */ public String toString() { if (value2 == null) { return value1.toString(); } else { return value1.toString() + " " + value2.toString(); } } /** * Is the value of this property a default value * It is used by alle macro for the function print */ public boolean isDefault() { return value1 == auto; } }