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- /*
- * $Id$
- * Copyright (C) 2001 The Apache Software Foundation. All rights reserved.
- * For details on use and redistribution please refer to the
- * LICENSE file included with these sources.
- */
-
- package org.apache.fop.area;
-
- import org.apache.fop.datatypes.ColorType;
- import org.apache.fop.traits.BorderProps;
- import org.apache.fop.layout.FontState;
-
- import java.io.Serializable;
- import java.util.Map;
- import java.util.HashMap;
- import java.util.Iterator;
-
- // properties should be serialized by the holder
- /**
- * Area traits used for rendering.
- * This class represents an area trait that specifies a value for rendering.
- */
- public class Trait implements Serializable {
- /**
- * Id reference line, not resolved.
- * not sure if this is needed.
- */
- public static final Integer ID_LINK = new Integer(0);
-
- /**
- * Internal link trait.
- * This is resolved and provides a link to an internal area.
- */
- public static final Integer INTERNAL_LINK = new Integer(1); //resolved
-
- /**
- * External link. A URL link to an external resource.
- */
- public static final Integer EXTERNAL_LINK = new Integer(2);
-
- /**
- * The font name from the font setup.
- */
- public static final Integer FONT_NAME = new Integer(3);
-
- /**
- * Font size for the current font.
- */
- public static final Integer FONT_SIZE = new Integer(4);
-
- /**
- * The current colour.
- */
- public static final Integer COLOR = new Integer(7);
-
- /**
- * Don't think this is necessary.
- */
- public static final Integer ID_AREA = new Integer(8);
-
- /**
- * Background trait for an area.
- */
- public static final Integer BACKGROUND = new Integer(9);
-
- /**
- * Underline trait used when rendering inline parent.
- */
- public static final Integer UNDERLINE = new Integer(10);
-
- /**
- * Overline trait used when rendering inline parent.
- */
- public static final Integer OVERLINE = new Integer(11);
-
- /**
- * Linethrough trait used when rendering inline parent.
- */
- public static final Integer LINETHROUGH = new Integer(12);
-
- /**
- *
- */
- public static final Integer OFFSET = new Integer(13);
-
- /**
- * The shadow for text.
- */
- public static final Integer SHADOW = new Integer(14);
-
- /**
- * The border start.
- */
- public static final Integer BORDER_START = new Integer(15);
- public static final Integer BORDER_END = new Integer(16);
- public static final Integer BORDER_BEFORE = new Integer(17);
- public static final Integer BORDER_AFTER = new Integer(18);
- public static final Integer PADDING_START = new Integer(19);
- public static final Integer PADDING_END = new Integer(20);
- public static final Integer PADDING_BEFORE = new Integer(21);
- public static final Integer PADDING_AFTER = new Integer(22);
-
- static HashMap s_hmTraitInfo;
-
- private static class TraitInfo {
- String sName;
- Class sClass; // Class of trait data
- TraitInfo(String sName, Class sClass) {
- this.sName = sName;
- this.sClass = sClass;
- }
- }
-
- static {
- // Create a hashmap mapping trait code to name for external representation
- s_hmTraitInfo = new HashMap();
- s_hmTraitInfo.put(ID_LINK, new TraitInfo("id-link", String.class));
- s_hmTraitInfo.put(INTERNAL_LINK,
- new TraitInfo("internal-link", PageViewport.class));
- s_hmTraitInfo.put(EXTERNAL_LINK,
- new TraitInfo("external-link", String.class));
- s_hmTraitInfo.put(FONT_NAME,
- new TraitInfo("font-family", String.class));
- s_hmTraitInfo.put(FONT_SIZE,
- new TraitInfo("font-size", Integer.class));
- s_hmTraitInfo.put(COLOR, new TraitInfo("color", String.class));
- s_hmTraitInfo.put(ID_AREA, new TraitInfo("id-area", String.class));
- s_hmTraitInfo.put(BACKGROUND,
- new TraitInfo("background", Background.class));
- s_hmTraitInfo.put(UNDERLINE,
- new TraitInfo("underline", Integer.class));
- s_hmTraitInfo.put(OVERLINE,
- new TraitInfo("overline", Integer.class));
- s_hmTraitInfo.put(LINETHROUGH,
- new TraitInfo("linethrough", Integer.class));
- s_hmTraitInfo.put(OFFSET, new TraitInfo("offset", Integer.class));
- s_hmTraitInfo.put(SHADOW, new TraitInfo("shadow", Integer.class));
- s_hmTraitInfo.put(BORDER_START,
- new TraitInfo("border-start", BorderProps.class));
- s_hmTraitInfo.put(BORDER_END,
- new TraitInfo("border-end", BorderProps.class));
- s_hmTraitInfo.put(BORDER_BEFORE,
- new TraitInfo("border-before", BorderProps.class));
- s_hmTraitInfo.put(BORDER_AFTER,
- new TraitInfo("border-after", BorderProps.class));
- s_hmTraitInfo.put(PADDING_START,
- new TraitInfo("padding-start", Integer.class));
- s_hmTraitInfo.put(PADDING_END,
- new TraitInfo("padding-end", Integer.class));
- s_hmTraitInfo.put(PADDING_BEFORE,
- new TraitInfo("padding-before", Integer.class));
- s_hmTraitInfo.put(PADDING_AFTER,
- new TraitInfo("padding-after", Integer.class));
- }
-
- public static String getTraitName(Object traitCode) {
- Object obj = s_hmTraitInfo.get(traitCode);
- if (obj != null) {
- return ((TraitInfo) obj).sName;
- } else {
- return "unknown-trait-" + traitCode.toString();
- }
- }
-
- public static Object getTraitCode(String sTraitName) {
- Iterator iter = s_hmTraitInfo.entrySet().iterator();
- while (iter.hasNext()) {
- Map.Entry entry = (Map.Entry) iter.next();
- TraitInfo ti = (TraitInfo) entry.getValue();
- if (ti != null && ti.sName.equals(sTraitName)) {
- return entry.getKey();
- }
- }
- return null;
- }
-
- private static Class getTraitClass(Object oTraitCode) {
- TraitInfo ti = (TraitInfo) s_hmTraitInfo.get(oTraitCode);
- return (ti != null ? ti.sClass : null);
- }
-
- public Object propType;
- public Object data;
-
- public Trait() {
- this.propType = null;
- this.data = null;
- }
-
- public Trait(Object propType, Object data) {
- this.propType = propType;
- this.data = data;
- }
-
- public String toString() {
- return data.toString();
- }
-
- public static Object makeTraitValue(Object oCode, String sTraitValue) {
- // Get the code from the name
- // See what type of object it is
- // Convert string value to an object of that type
- Class tclass = getTraitClass(oCode);
- if (tclass == null)
- return null;
- if (tclass.equals(String.class)) {
- return sTraitValue;
- }
- if (tclass.equals(Integer.class)) {
- return new Integer(sTraitValue);
- }
- // See if the class has a constructor from string or can read from a string
- try {
- Object o = tclass.newInstance();
- //return o.fromString(sTraitValue);
- } catch (IllegalAccessException e1) {
- System.err.println("Can't create instance of " +
- tclass.getName());
- return null;
- }
- catch (InstantiationException e2) {
- System.err.println("Can't create instance of " +
- tclass.getName());
- return null;
- }
-
-
- return null;
- }
-
- public static class Background {
- ColorType color;
- String url;
- int repeat;
- int horiz;
- int vertical;
- }
-
- }
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