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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.area;
-
- import org.apache.fop.datatypes.ColorType;
- import org.apache.fop.traits.BorderProps;
-
- 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);
-
- /**
- * Shadow offset.
- */
- 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);
-
- /**
- * The border end.
- */
- public static final Integer BORDER_END = new Integer(16);
-
- /**
- * The border before.
- */
- public static final Integer BORDER_BEFORE = new Integer(17);
-
- /**
- * The border after.
- */
- public static final Integer BORDER_AFTER = new Integer(18);
-
- /**
- * The padding start.
- */
- public static final Integer PADDING_START = new Integer(19);
-
- /**
- * The padding end.
- */
- public static final Integer PADDING_END = new Integer(20);
-
- /**
- * The padding before.
- */
- public static final Integer PADDING_BEFORE = new Integer(21);
-
- /**
- * The padding after.
- */
- public static final Integer PADDING_AFTER = new Integer(22);
-
- /**
- * The space start.
- */
- public static final Integer SPACE_START = new Integer(23);
-
- /**
- * The space end.
- */
- public static final Integer SPACE_END = new Integer(24);
-
- private static final Map TRAIT_INFO = new HashMap();
-
- private static class TraitInfo {
- private String name;
- private Class clazz; // Class of trait data
-
- public TraitInfo(String name, Class clazz) {
- this.name = name;
- this.clazz = clazz;
- }
-
- public String getName() {
- return this.name;
- }
-
- public Class getClazz() {
- return this.clazz;
- }
- }
-
- static {
- // Create a hashmap mapping trait code to name for external representation
- TRAIT_INFO.put(ID_LINK, new TraitInfo("id-link", String.class));
- TRAIT_INFO.put(INTERNAL_LINK,
- new TraitInfo("internal-link", String.class));
- TRAIT_INFO.put(EXTERNAL_LINK,
- new TraitInfo("external-link", String.class));
- TRAIT_INFO.put(FONT_NAME,
- new TraitInfo("font-family", String.class));
- TRAIT_INFO.put(FONT_SIZE,
- new TraitInfo("font-size", Integer.class));
- TRAIT_INFO.put(COLOR, new TraitInfo("color", String.class));
- TRAIT_INFO.put(ID_AREA, new TraitInfo("id-area", String.class));
- TRAIT_INFO.put(BACKGROUND,
- new TraitInfo("background", Background.class));
- TRAIT_INFO.put(UNDERLINE,
- new TraitInfo("underline", Boolean.class));
- TRAIT_INFO.put(OVERLINE,
- new TraitInfo("overline", Boolean.class));
- TRAIT_INFO.put(LINETHROUGH,
- new TraitInfo("linethrough", Boolean.class));
- TRAIT_INFO.put(OFFSET, new TraitInfo("offset", Integer.class));
- TRAIT_INFO.put(SHADOW, new TraitInfo("shadow", Integer.class));
- TRAIT_INFO.put(BORDER_START,
- new TraitInfo("border-start", BorderProps.class));
- TRAIT_INFO.put(BORDER_END,
- new TraitInfo("border-end", BorderProps.class));
- TRAIT_INFO.put(BORDER_BEFORE,
- new TraitInfo("border-before", BorderProps.class));
- TRAIT_INFO.put(BORDER_AFTER,
- new TraitInfo("border-after", BorderProps.class));
- TRAIT_INFO.put(PADDING_START,
- new TraitInfo("padding-start", Integer.class));
- TRAIT_INFO.put(PADDING_END,
- new TraitInfo("padding-end", Integer.class));
- TRAIT_INFO.put(PADDING_BEFORE,
- new TraitInfo("padding-before", Integer.class));
- TRAIT_INFO.put(PADDING_AFTER,
- new TraitInfo("padding-after", Integer.class));
- TRAIT_INFO.put(SPACE_START,
- new TraitInfo("space-start", Integer.class));
- TRAIT_INFO.put(SPACE_END,
- new TraitInfo("space-end", Integer.class));
- }
-
- /**
- * Get the trait name for a trait code.
- *
- * @param traitCode the trait code to get the name for
- * @return the trait name
- */
- public static String getTraitName(Object traitCode) {
- Object obj = TRAIT_INFO.get(traitCode);
- if (obj != null) {
- return ((TraitInfo) obj).getName();
- } else {
- return "unknown-trait-" + traitCode.toString();
- }
- }
-
- /**
- * Get the trait code for a trait name.
- *
- * @param sTraitName the name of the trait to find
- * @return the trait code object
- */
- public static Object getTraitCode(String sTraitName) {
- Iterator iter = TRAIT_INFO.entrySet().iterator();
- while (iter.hasNext()) {
- Map.Entry entry = (Map.Entry) iter.next();
- TraitInfo ti = (TraitInfo) entry.getValue();
- if (ti != null && ti.getName().equals(sTraitName)) {
- return entry.getKey();
- }
- }
- return null;
- }
-
- /**
- * Get the data storage class for the trait.
- *
- * @param oTraitCode the trait code to lookup
- * @return the class type for the trait
- */
- private static Class getTraitClass(Object oTraitCode) {
- TraitInfo ti = (TraitInfo) TRAIT_INFO.get(oTraitCode);
- return (ti != null ? ti.getClazz() : null);
- }
-
- /**
- * The type of trait for an area.
- */
- private Object propType;
-
- /**
- * The data value of the trait.
- */
- private Object data;
-
- /**
- * Create a new empty trait.
- */
- public Trait() {
- this.propType = null;
- this.data = null;
- }
-
- /**
- * Create a trait with the value and type.
- *
- * @param propType the type of trait
- * @param data the data value
- */
- public Trait(Object propType, Object data) {
- this.propType = propType;
- this.data = data;
- }
-
- /**
- * Returns the trait data value.
- * @return the trait data value
- */
- public Object getData() {
- return this.data;
- }
-
- /**
- * Returns the property type.
- * @return the property type
- */
- public Object getPropType() {
- return this.propType;
- }
-
- /**
- * Return the string for debugging.
- * @see java.lang.Object#toString()
- */
- public String toString() {
- return data.toString();
- }
-
- /**
- * Make a trait value.
- *
- * @param oCode trait code
- * @param sTraitValue trait value as String
- * @return the trait value as object
- */
- 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;
- }
-
- /**
- * Background trait structure.
- * Used for storing back trait information which are related.
- */
- public static class Background implements Serializable {
-
- /** The background color if any. */
- private ColorType color = null;
-
- /** The background image url if any. */
- private String url = null;
-
- /** Background repeat enum for images. */
- private int repeat;
-
- /** Background horizontal offset for images. */
- private int horiz;
-
- /** Background vertical offset for images. */
- private int vertical;
-
- /**
- * Returns the background color.
- * @return background color, null if n/a
- */
- public ColorType getColor() {
- return color;
- }
-
- /**
- * Returns the horizontal offset for images.
- * @return the horizontal offset
- */
- public int getHoriz() {
- return horiz;
- }
-
- /**
- * Returns the image repetition behaviour for images.
- * @return the image repetition behaviour
- */
- public int getRepeat() {
- return repeat;
- }
-
- /**
- * Returns the URL to the background image
- * @return URL to the background image, null if n/a
- */
- public String getURL() {
- return url;
- }
-
- /**
- * Returns the vertical offset for images.
- * @return the vertical offset
- */
- public int getVertical() {
- return vertical;
- }
-
- /**
- * Sets the color.
- * @param color The color to set
- */
- public void setColor(ColorType color) {
- this.color = color;
- }
-
- /**
- * Sets the horizontal offset.
- * @param horiz The horizontal offset to set
- */
- public void setHoriz(int horiz) {
- this.horiz = horiz;
- }
-
- /**
- * Sets the image repetition behaviour for images.
- * @param repeat The image repetition behaviour to set
- */
- public void setRepeat(int repeat) {
- this.repeat = repeat;
- }
-
- /**
- * Sets the URL to the background image.
- * @param url The URL to set
- */
- public void setURL(String url) {
- this.url = url;
- }
-
- /**
- * Sets the vertical offset for images.
- * @param vertical The vertical offset to set
- */
- public void setVertical(int vertical) {
- this.vertical = vertical;
- }
-
- /**
- * Return the string for debugging.
- * @see java.lang.Object#toString()
- */
- public String toString() {
- StringBuffer sb = new StringBuffer();
- sb.append("color=" + color);
- if (url != null) {
- sb.append(",url=");
- sb.append(url);
- }
- sb.append(",repeat=" + repeat);
- sb.append(",horiz=" + horiz);
- sb.append(",vertical=" + vertical);
- return sb.toString();
- }
-
- }
- }
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