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- /*-- $Id$ --
-
- ============================================================================
- The Apache Software License, Version 1.1
- ============================================================================
-
- Copyright (C) 1999 The Apache Software Foundation. All rights reserved.
-
- Redistribution and use in source and binary forms, with or without modifica-
- tion, are permitted provided that the following conditions are met:
-
- 1. Redistributions of source code must retain the above copyright notice,
- this list of conditions and the following disclaimer.
-
- 2. Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
- 3. The end-user documentation included with the redistribution, if any, must
- include the following acknowledgment: "This product includes software
- developed by the Apache Software Foundation (http://www.apache.org/)."
- Alternately, this acknowledgment may appear in the software itself, if
- and wherever such third-party acknowledgments normally appear.
-
- 4. The names "FOP" and "Apache Software Foundation" must not be used to
- endorse or promote products derived from this software without prior
- written permission. For written permission, please contact
- apache@apache.org.
-
- 5. Products derived from this software may not be called "Apache", nor may
- "Apache" appear in their name, without prior written permission of the
- Apache Software Foundation.
-
- THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
- INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
- DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
- This software consists of voluntary contributions made by many individuals
- on behalf of the Apache Software Foundation and was originally created by
- James Tauber <jtauber@jtauber.com>. For more information on the Apache
- Software Foundation, please see <http://www.apache.org/>.
-
- */
-
- package org.apache.fop.fo.flow;
-
- // FOP
- import org.apache.fop.fo.*;
- import org.apache.fop.messaging.MessageHandler;
- import org.apache.fop.fo.properties.*;
- import org.apache.fop.layout.*;
- import org.apache.fop.datatypes.*;
- import org.apache.fop.apps.FOPException;
-
- public class Block extends FObjMixed {
-
- public static class Maker extends FObj.Maker {
- public FObj make(FObj parent,
- PropertyList propertyList) throws FOPException {
- return new Block(parent, propertyList);
- }
- }
-
- public static FObj.Maker maker() {
- return new Block.Maker();
- }
-
- FontState fs;
- int align;
- int alignLast;
- int breakBefore;
- int breakAfter;
- int lineHeight;
- int startIndent;
- int endIndent;
- int spaceBefore;
- int spaceAfter;
- int textIndent;
- int keepWithNext;
- ColorType backgroundColor;
- int paddingTop;
- int paddingBottom;
- int paddingLeft;
- int paddingRight;
- int blockWidows;
- int blockOrphans;
-
- String id;
-
- ColorType borderTopColor;
- int borderTopWidth;
- int borderTopStyle;
- ColorType borderBottomColor;
- int borderBottomWidth;
- int borderBottomStyle;
- ColorType borderLeftColor;
- int borderLeftWidth;
- int borderLeftStyle;
- ColorType borderRightColor;
- int borderRightWidth;
- int borderRightStyle;
-
- int hyphenate;
- char hyphenationChar;
- int hyphenationPushCharacterCount;
- int hyphenationRemainCharacterCount;
- String language;
- String country;
- int span;
-
- BlockArea blockArea;
-
- // this may be helpful on other FOs too
- boolean anythingLaidOut = false;
-
- public Block(FObj parent, PropertyList propertyList) {
- super(parent, propertyList);
- this.name = "fo:block";
- this.span = this.properties.get("span").getEnum();
- }
-
- public Status layout(Area area) throws FOPException {
- // MessageHandler.error(" b:LAY[" + marker + "] ");
-
-
- if (this.marker == BREAK_AFTER) {
- return new Status(Status.OK);
- }
-
- if (this.marker == START) {
- String fontFamily =
- this.properties.get("font-family").getString();
- String fontStyle =
- this.properties.get("font-style").getString();
- String fontWeight =
- this.properties.get("font-weight").getString();
- int fontSize =
- this.properties.get("font-size").getLength().mvalue();
-
- // font-variant support
- // added by Eric SCHAEFFER
- int fontVariant =
- this.properties.get("font-variant").getEnum();
-
- this.fs = new FontState(area.getFontInfo(), fontFamily,
- fontStyle, fontWeight, fontSize, fontVariant);
-
- this.align = this.properties.get("text-align").getEnum();
- this.alignLast =
- this.properties.get("text-align-last").getEnum();
- this.breakBefore =
- this.properties.get("break-before").getEnum();
- this.breakAfter = this.properties.get("break-after").getEnum();
- this.lineHeight = this.properties.get(
- "line-height").getLength().mvalue();
- this.startIndent = this.properties.get(
- "start-indent").getLength().mvalue();
- this.endIndent = this.properties.get(
- "end-indent").getLength().mvalue();
- this.spaceBefore = this.properties.get(
- "space-before.optimum").getLength().mvalue();
- this.spaceAfter = this.properties.get(
- "space-after.optimum").getLength().mvalue();
- this.textIndent = this.properties.get(
- "text-indent").getLength().mvalue();
- this.keepWithNext =
- this.properties.get("keep-with-next").getEnum();
- this.backgroundColor = this.properties.get(
- "background-color").getColorType();
- this.paddingTop =
- this.properties.get("padding").getLength().mvalue();
-
- this.paddingLeft = this.paddingTop;
- this.paddingRight = this.paddingTop;
- this.paddingBottom = this.paddingTop;
- if (this.paddingTop == 0) {
- this.paddingTop = this.properties.get(
- "padding-top").getLength().mvalue();
- this.paddingLeft = this.properties.get(
- "padding-left").getLength().mvalue();
- this.paddingBottom = this.properties.get(
- "padding-bottom").getLength().mvalue();
- this.paddingRight = this.properties.get(
- "padding-right").getLength().mvalue();
- }
- this.borderTopColor =
- this.properties.get("border-color").getColorType();
- this.borderBottomColor = this.borderTopColor;
- this.borderLeftColor = this.borderTopColor;
- this.borderRightColor = this.borderTopColor;
- if (this.borderTopColor == null) {
- this.borderTopColor = this.properties.get(
- "border-top-color").getColorType();
- this.borderBottomColor = this.properties.get(
- "border-bottom-color").getColorType();
- this.borderLeftColor = this.properties.get(
- "border-left-color").getColorType();
- this.borderRightColor = this.properties.get(
- "border-right-color").getColorType();
- }
- this.borderTopWidth = this.properties.get(
- "border-width").getLength().mvalue();
- this.borderBottomWidth = this.borderTopWidth;
- this.borderLeftWidth = this.borderTopWidth;
- this.borderRightWidth = this.borderTopWidth;
- if (this.borderTopWidth == 0) {
- this.borderTopWidth = this.properties.get(
- "border-top-width").getLength().mvalue();
- this.borderBottomWidth = this.properties.get(
- "border-bottom-width").getLength().mvalue();
- this.borderLeftWidth = this.properties.get(
- "border-left-width").getLength().mvalue();
- this.borderRightWidth = this.properties.get(
- "border-right-width").getLength().mvalue();
- }
- this.borderTopStyle =
- this.properties.get("border-style").getEnum();
- this.borderBottomStyle = this.borderTopStyle;
- this.borderLeftStyle = this.borderTopStyle;
- this.borderRightStyle = this.borderTopStyle;
- if (this.borderTopStyle == 0) {
- this.borderTopStyle =
- this.properties.get("border-top-style").getEnum();
- this.borderBottomStyle = this.properties.get(
- "border-bottom-style").getEnum();
- this.borderLeftStyle = this.properties.get(
- "border-left-style").getEnum();
- this.borderRightStyle = this.properties.get(
- "border-right-style").getEnum();
- }
- this.blockWidows =
- this.properties.get("widows").getNumber().intValue();
- this.blockOrphans =
- this.properties.get("orphans").getNumber().intValue();
-
- this.hyphenate = this.properties.get("hyphenate").getEnum();
- this.hyphenationChar = this.properties.get("hyphenation-character").getCharacter();
- this.hyphenationPushCharacterCount = this.properties.get(
- "hyphenation-push-character-count").getNumber().
- intValue();
- this.hyphenationRemainCharacterCount = this.properties.get(
- "hyphenation-remain-character-count").getNumber().
- intValue();
- this.language = this.properties.get("language").getString();
- this.country = this.properties.get("country").getString();
-
- this.id = this.properties.get("id").getString();
-
- if (area instanceof BlockArea) {
- area.end();
- }
-
- if(area.getIDReferences() != null)
- area.getIDReferences().createID(id);
-
- this.marker = 0;
-
- if (breakBefore == BreakBefore.PAGE) {
- return new Status(Status.FORCE_PAGE_BREAK);
- }
-
- if (breakBefore == BreakBefore.ODD_PAGE) {
- return new Status(Status.FORCE_PAGE_BREAK_ODD);
- }
-
- if (breakBefore == BreakBefore.EVEN_PAGE) {
- return new Status(Status.FORCE_PAGE_BREAK_EVEN);
- }
-
- if (breakBefore == BreakBefore.COLUMN) {
- return new Status(Status.FORCE_COLUMN_BREAK);
- }
-
- int numChildren = this.children.size();
- for (int i = 0; i < numChildren; i++) {
- FONode fo = (FONode) children.elementAt(i);
- if (fo instanceof FOText) {
- if (((FOText) fo).willCreateArea()) {
- fo.setWidows(blockWidows);
- break;
- } else {
- children.removeElementAt(i);
- numChildren = this.children.size();
- i--;
- }
- } else {
- fo.setWidows(blockWidows);
- break;
- }
- }
-
- for (int i = numChildren - 1; i >= 0; i--) {
- FONode fo = (FONode) children.elementAt(i);
- if (fo instanceof FOText) {
- if (((FOText) fo).willCreateArea()) {
- fo.setOrphans(blockOrphans);
- break;
- }
- } else {
- fo.setOrphans(blockOrphans);
- break;
- }
- }
- }
-
- if ((spaceBefore != 0) && (this.marker == 0)) {
- area.addDisplaySpace(spaceBefore);
- }
-
- if (anythingLaidOut) {
- this.textIndent = 0;
- }
-
- if (marker == 0 && area.getIDReferences() != null) {
- area.getIDReferences().configureID(id, area);
- }
-
- int spaceLeft = area.spaceLeft();
- this.blockArea = new BlockArea(fs, area.getAllocationWidth(),
- area.spaceLeft(), startIndent, endIndent, textIndent,
- align, alignLast, lineHeight);
- this.blockArea.setParent(area); // BasicLink needs it
- blockArea.setPage(area.getPage());
- blockArea.setBackgroundColor(backgroundColor);
- blockArea.setPadding(paddingTop, paddingLeft, paddingBottom,
- paddingRight);
- blockArea.setBorderStyle(borderTopStyle, borderLeftStyle,
- borderBottomStyle, borderRightStyle);
- blockArea.setBorderWidth(borderTopWidth, borderLeftWidth,
- borderBottomWidth, borderRightWidth);
- blockArea.setBorderColor(borderTopColor, borderLeftColor,
- borderBottomColor, borderRightColor);
- blockArea.setHyphenation(language, country, hyphenate,
- hyphenationChar, hyphenationPushCharacterCount,
- hyphenationRemainCharacterCount);
- blockArea.start();
-
- blockArea.setAbsoluteHeight(area.getAbsoluteHeight());
- blockArea.setIDReferences(area.getIDReferences());
-
- blockArea.setTableCellXOffset(area.getTableCellXOffset());
-
- int numChildren = this.children.size();
- for (int i = this.marker; i < numChildren; i++) {
- FONode fo = (FONode) children.elementAt(i);
- Status status;
- if ((status = fo.layout(blockArea)).isIncomplete()) {
- this.marker = i;
- // this block was modified by
- // Hani Elabed 11/27/2000
- //if ((i != 0) && (status.getCode() == Status.AREA_FULL_NONE))
- //{
- // status = new Status(Status.AREA_FULL_SOME);
- //}
-
- // new block to replace the one above
- // Hani Elabed 11/27/2000
- if (status.getCode() == Status.AREA_FULL_NONE) {
- // something has already been laid out
- if ((i != 0)) {
- status = new Status(Status.AREA_FULL_SOME);
- area.addChild(blockArea);
- area.setMaxHeight(area.getMaxHeight() - spaceLeft + blockArea.getMaxHeight());
- area.increaseHeight(blockArea.getHeight());
- area.setAbsoluteHeight(
- blockArea.getAbsoluteHeight());
- anythingLaidOut = true;
-
- return status;
- } else // i == 0 nothing was laid out..
- {
- anythingLaidOut = false;
- return status;
- }
- }
-
- //blockArea.end();
- area.addChild(blockArea);
- area.setMaxHeight(area.getMaxHeight() - spaceLeft + blockArea.getMaxHeight());
- area.increaseHeight(blockArea.getHeight());
- area.setAbsoluteHeight(blockArea.getAbsoluteHeight());
- anythingLaidOut = true;
- return status;
- }
- anythingLaidOut = true;
- }
-
- blockArea.end();
- area.addChild(blockArea);
-
- /* should this be combined into above? */
- area.increaseHeight(blockArea.getHeight());
-
- area.setAbsoluteHeight(blockArea.getAbsoluteHeight());
-
- if (spaceAfter != 0) {
- area.addDisplaySpace(spaceAfter);
- }
-
- if (area instanceof BlockArea) {
- area.start();
- }
-
- if (breakAfter == BreakAfter.PAGE) {
- this.marker = BREAK_AFTER;
- return new Status(Status.FORCE_PAGE_BREAK);
- }
-
- if (breakAfter == BreakAfter.ODD_PAGE) {
- this.marker = BREAK_AFTER;
- return new Status(Status.FORCE_PAGE_BREAK_ODD);
- }
-
- if (breakAfter == BreakAfter.EVEN_PAGE) {
- this.marker = BREAK_AFTER;
- return new Status(Status.FORCE_PAGE_BREAK_EVEN);
- }
-
- if (breakAfter == BreakAfter.COLUMN) {
- this.marker = BREAK_AFTER;
- return new Status(Status.FORCE_COLUMN_BREAK);
- }
-
- if (keepWithNext != 0) {
- return new Status(Status.KEEP_WITH_NEXT);
- }
-
- //MessageHandler.error(" b:OK" + marker + " ");
- return new Status(Status.OK);
- }
-
- public int getAreaHeight() {
- return blockArea.getHeight();
- }
-
-
- /**
- * Return the content width of the boxes generated by this FO.
- */
- public int getContentWidth() {
- if (blockArea != null)
- return blockArea.getContentWidth(); //getAllocationWidth()??
- else return 0; // not laid out yet
- }
-
- public int getSpan() {
- return this.span;
- }
- }
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