/* * Copyright (c) 2000 World Wide Web Consortium, (Massachusetts Institute of * Technology, Institut National de Recherche en Informatique et en Automatique, * Keio University). All Rights Reserved. This program is distributed under the * W3C's Software Intellectual Property License. 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 * W3C License http://www.w3.org/Consortium/Legal/ for more details. */ package org.w3c.dom.css_bad; import org.w3c.dom.DOMException; /** * The <code>CSSPrimitiveValue</code> interface represents a single CSS value . * This interface may be used to determine the value of a specific style * property currently set in a block or to set a specific style property * explicitly within the block. An instance of this interface might be obtained * from the <code>getPropertyCSSValue</code> method of the * <code>CSSStyleDeclaration</code> interface. A <code>CSSPrimitiveValue</code> * object only occurs in a context of a CSS property. * <p> * Conversions are allowed between absolute values (from millimeters to * centimeters, from degrees to radians, and so on) but not between relative * values. (For example, a pixel value cannot be converted to a centimeter * value.) Percentage values can't be converted since they are relative to the * parent value (or another property value). There is one exception for color * percentage values: since a color percentage value is relative to the range * 0-255, a color percentage value can be converted to a number; (see also the * <code>RGBColor</code> interface). * <p> * See also the <a * href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Style-20001113'>Document * Object Model (DOM) Level 2 Style Specification</a>. * * @since DOM Level 2 */ public interface CSSPrimitiveValue extends CSSValue { /** * The value is a attribute function. The value can be obtained by using the * <code>getStringValue</code> method. */ public static final short CSS_ATTR = 22; /** * The value is a length (cm). The value can be obtained by using the * <code>getFloatValue</code> method. */ public static final short CSS_CM = 6; /** * The value is a counter or counters function. The value can be obtained by * using the <code>getCounterValue</code> method. */ public static final short CSS_COUNTER = 23; /** * The value is an angle (deg). The value can be obtained by using the * <code>getFloatValue</code> method. */ public static final short CSS_DEG = 11; /** * The value is a number with an unknown dimension. The value can be * obtained by using the <code>getFloatValue</code> method. */ public static final short CSS_DIMENSION = 18; /** * The value is a length (ems). The value can be obtained by using the * <code>getFloatValue</code> method. */ public static final short CSS_EMS = 3; /** * The value is a length (exs). The value can be obtained by using the * <code>getFloatValue</code> method. */ public static final short CSS_EXS = 4; /** * The value is an angle (grad). The value can be obtained by using the * <code>getFloatValue</code> method. */ public static final short CSS_GRAD = 13; /** * The value is a frequency (Hz). The value can be obtained by using the * <code>getFloatValue</code> method. */ public static final short CSS_HZ = 16; /** * The value is an identifier. The value can be obtained by using the * <code>getStringValue</code> method. */ public static final short CSS_IDENT = 21; /** * The value is a length (in). The value can be obtained by using the * <code>getFloatValue</code> method. */ public static final short CSS_IN = 8; /** * The value is a frequency (kHz). The value can be obtained by using the * <code>getFloatValue</code> method. */ public static final short CSS_KHZ = 17; /** * The value is a length (mm). The value can be obtained by using the * <code>getFloatValue</code> method. */ public static final short CSS_MM = 7; /** * The value is a time (ms). The value can be obtained by using the * <code>getFloatValue</code> method. */ public static final short CSS_MS = 14; /** * The value is a simple number. The value can be obtained by using the * <code>getFloatValue</code> method. */ public static final short CSS_NUMBER = 1; /** * The value is a length (pc). The value can be obtained by using the * <code>getFloatValue</code> method. */ public static final short CSS_PC = 10; /** * The value is a percentage. The value can be obtained by using the * <code>getFloatValue</code> method. */ public static final short CSS_PERCENTAGE = 2; /** * The value is a length (pt). The value can be obtained by using the * <code>getFloatValue</code> method. */ public static final short CSS_PT = 9; /** * The value is a length (px). The value can be obtained by using the * <code>getFloatValue</code> method. */ public static final short CSS_PX = 5; /** * The value is an angle (rad). The value can be obtained by using the * <code>getFloatValue</code> method. */ public static final short CSS_RAD = 12; /** * The value is a rect function. The value can be obtained by using the * <code>getRectValue</code> method. */ public static final short CSS_RECT = 24; /** * The value is a RGB color. The value can be obtained by using the * <code>getRGBColorValue</code> method. */ public static final short CSS_RGBCOLOR = 25; /** * The value is a time (s). The value can be obtained by using the * <code>getFloatValue</code> method. */ public static final short CSS_S = 15; /** * The value is a STRING. The value can be obtained by using the * <code>getStringValue</code> method. */ public static final short CSS_STRING = 19; // UnitTypes /** * The value is not a recognized CSS2 value. The value can only be obtained * by using the <code>cssText</code> attribute. */ public static final short CSS_UNKNOWN = 0; /** * The value is a URI. The value can be obtained by using the * <code>getStringValue</code> method. */ public static final short CSS_URI = 20; /** * This method is used to get the Counter value. If this CSS value doesn't * contain a counter value, a <code>DOMException</code> is raised. * Modification to the corresponding style property can be achieved using * the <code>Counter</code> interface. * * @return The Counter value. * @exception DOMException * INVALID_ACCESS_ERR: Raised if the CSS value doesn't * contain a Counter value (e.g. this is not * <code>CSS_COUNTER</code>). */ public Counter getCounterValue() throws DOMException; /** * This method is used to get a float value in a specified unit. If this CSS * value doesn't contain a float value or can't be converted into the * specified unit, a <code>DOMException</code> is raised. * * @param unitType * A unit code to get the float value. The unit code can only be * a float unit type (i.e. <code>CSS_NUMBER</code>, * <code>CSS_PERCENTAGE</code>, <code>CSS_EMS</code>, * <code>CSS_EXS</code>, <code>CSS_PX</code>, <code>CSS_CM</code> * , <code>CSS_MM</code>, <code>CSS_IN</code>, * <code>CSS_PT</code>, <code>CSS_PC</code>, <code>CSS_DEG</code> * , <code>CSS_RAD</code>, <code>CSS_GRAD</code>, * <code>CSS_MS</code>, <code>CSS_S</code>, <code>CSS_HZ</code>, * <code>CSS_KHZ</code>, <code>CSS_DIMENSION</code>). * @return The float value in the specified unit. * @exception DOMException * INVALID_ACCESS_ERR: Raised if the CSS value doesn't * contain a float value or if the float value can't be * converted into the specified unit. */ public float getFloatValue(short unitType) throws DOMException; /** * The type of the value as defined by the constants specified above. */ public short getPrimitiveType(); /** * This method is used to get the Rect value. If this CSS value doesn't * contain a rect value, a <code>DOMException</code> is raised. Modification * to the corresponding style property can be achieved using the * <code>Rect</code> interface. * * @return The Rect value. * @exception DOMException * INVALID_ACCESS_ERR: Raised if the CSS value doesn't * contain a Rect value. (e.g. this is not * <code>CSS_RECT</code>). */ public Rect getRectValue() throws DOMException; /** * This method is used to get the RGB color. If this CSS value doesn't * contain a RGB color value, a <code>DOMException</code> is raised. * Modification to the corresponding style property can be achieved using * the <code>RGBColor</code> interface. * * @return the RGB color value. * @exception DOMException * INVALID_ACCESS_ERR: Raised if the attached property can't * return a RGB color value (e.g. this is not * <code>CSS_RGBCOLOR</code>). */ public RGBColor getRGBColorValue() throws DOMException; /** * This method is used to get the string value. If the CSS value doesn't * contain a string value, a <code>DOMException</code> is raised. Some * properties (like 'font-family' or 'voice-family') convert a whitespace * separated list of idents to a string. * * @return The string value in the current unit. The current * <code>primitiveType</code> can only be a string unit type (i.e. * <code>CSS_STRING</code>, <code>CSS_URI</code>, * <code>CSS_IDENT</code> and <code>CSS_ATTR</code>). * @exception DOMException * INVALID_ACCESS_ERR: Raised if the CSS value doesn't * contain a string value. */ public String getStringValue() throws DOMException; /** * A method to set the float value with a specified unit. If the property * attached with this value can not accept the specified unit or the float * value, the value will be unchanged and a <code>DOMException</code> will * be raised. * * @param unitType * A unit code as defined above. The unit code can only be a * float unit type (i.e. <code>CSS_NUMBER</code>, * <code>CSS_PERCENTAGE</code>, <code>CSS_EMS</code>, * <code>CSS_EXS</code>, <code>CSS_PX</code>, <code>CSS_CM</code> * , <code>CSS_MM</code>, <code>CSS_IN</code>, * <code>CSS_PT</code>, <code>CSS_PC</code>, <code>CSS_DEG</code> * , <code>CSS_RAD</code>, <code>CSS_GRAD</code>, * <code>CSS_MS</code>, <code>CSS_S</code>, <code>CSS_HZ</code>, * <code>CSS_KHZ</code>, <code>CSS_DIMENSION</code>). * @param floatValue * The new float value. * @exception DOMException * INVALID_ACCESS_ERR: Raised if the attached property * doesn't support the float value or the unit type. <br> * NO_MODIFICATION_ALLOWED_ERR: Raised if this property is * readonly. */ public void setFloatValue(short unitType, float floatValue) throws DOMException; /** * A method to set the string value with the specified unit. If the property * attached to this value can't accept the specified unit or the string * value, the value will be unchanged and a <code>DOMException</code> will * be raised. * * @param stringType * A string code as defined above. The string code can only be a * string unit type (i.e. <code>CSS_STRING</code>, * <code>CSS_URI</code>, <code>CSS_IDENT</code>, and * <code>CSS_ATTR</code>). * @param stringValue * The new string value. * @exception DOMException * INVALID_ACCESS_ERR: Raised if the CSS value doesn't * contain a string value or if the string value can't be * converted into the specified unit. <br> * NO_MODIFICATION_ALLOWED_ERR: Raised if this property is * readonly. */ public void setStringValue(short stringType, String stringValue) throws DOMException; }