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  1. /*
  2. * $Id$
  3. * ============================================================================
  4. * The Apache Software License, Version 1.1
  5. * ============================================================================
  6. *
  7. * Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
  8. *
  9. * Redistribution and use in source and binary forms, with or without modifica-
  10. * tion, are permitted provided that the following conditions are met:
  11. *
  12. * 1. Redistributions of source code must retain the above copyright notice,
  13. * this list of conditions and the following disclaimer.
  14. *
  15. * 2. Redistributions in binary form must reproduce the above copyright notice,
  16. * this list of conditions and the following disclaimer in the documentation
  17. * and/or other materials provided with the distribution.
  18. *
  19. * 3. The end-user documentation included with the redistribution, if any, must
  20. * include the following acknowledgment: "This product includes software
  21. * developed by the Apache Software Foundation (http://www.apache.org/)."
  22. * Alternately, this acknowledgment may appear in the software itself, if
  23. * and wherever such third-party acknowledgments normally appear.
  24. *
  25. * 4. The names "FOP" and "Apache Software Foundation" must not be used to
  26. * endorse or promote products derived from this software without prior
  27. * written permission. For written permission, please contact
  28. * apache@apache.org.
  29. *
  30. * 5. Products derived from this software may not be called "Apache", nor may
  31. * "Apache" appear in their name, without prior written permission of the
  32. * Apache Software Foundation.
  33. *
  34. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
  35. * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
  36. * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  37. * APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  38. * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
  39. * DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
  40. * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  41. * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  42. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  43. * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  44. * ============================================================================
  45. *
  46. * This software consists of voluntary contributions made by many individuals
  47. * on behalf of the Apache Software Foundation and was originally created by
  48. * James Tauber <jtauber@jtauber.com>. For more information on the Apache
  49. * Software Foundation, please see <http://www.apache.org/>.
  50. */
  51. package org.apache.fop.fo.pagination;
  52. // FOP
  53. import org.apache.fop.fo.*;
  54. import org.apache.fop.fo.properties.*;
  55. import org.apache.fop.layout.RegionArea;
  56. import org.apache.fop.layout.BorderAndPadding;
  57. import org.apache.fop.layout.BackgroundProps;
  58. import org.apache.fop.apps.FOPException;
  59. /**
  60. * Class modeling the fo:region-before object.
  61. *
  62. * @see <a href="@XSLFO-STD@#fo_region-before"
  63. target="_xslfostd">@XSLFO-STDID@
  64. * &para;6.4.14</a>
  65. */
  66. public class RegionBefore extends Region {
  67. public static class Maker extends FObj.Maker {
  68. public FObj make(FObj parent, PropertyList propertyList,
  69. String systemId, int line, int column)
  70. throws FOPException {
  71. return new RegionBefore(parent, propertyList,
  72. systemId, line, column);
  73. }
  74. }
  75. public static FObj.Maker maker() {
  76. return new RegionBefore.Maker();
  77. }
  78. public static final String REGION_CLASS = "before";
  79. private int precedence;
  80. protected RegionBefore(FObj parent, PropertyList propertyList,
  81. String systemId, int line, int column)
  82. throws FOPException {
  83. super(parent, propertyList, systemId, line, column);
  84. precedence = this.properties.get("precedence").getEnum();
  85. }
  86. public String getName() {
  87. return "fo:region-before";
  88. }
  89. RegionArea makeRegionArea(int allocationRectangleXPosition,
  90. int allocationRectangleYPosition,
  91. int allocationRectangleWidth,
  92. int allocationRectangleHeight) {
  93. // Common Border, Padding, and Background Properties
  94. BorderAndPadding bap = propMgr.getBorderAndPadding();
  95. BackgroundProps bProps = propMgr.getBackgroundProps();
  96. // this.properties.get("clip");
  97. // this.properties.get("display-align");
  98. int extent = this.properties.get("extent").getLength().mvalue();
  99. // this.properties.get("overflow");
  100. // this.properties.get("precedence");
  101. // this.properties.get("region-name");
  102. // this.properties.get("reference-orientation");
  103. // this.properties.get("writing-mode");
  104. RegionArea area = new RegionArea(allocationRectangleXPosition,
  105. allocationRectangleYPosition,
  106. allocationRectangleWidth, extent);
  107. area.setBackground(bProps);
  108. return area;
  109. }
  110. RegionArea makeRegionArea(int allocationRectangleXPosition,
  111. int allocationRectangleYPosition,
  112. int allocationRectangleWidth,
  113. int allocationRectangleHeight,
  114. int startExtent, int endExtent) {
  115. if (getPrecedence() == false) {
  116. allocationRectangleXPosition += startExtent;
  117. allocationRectangleWidth -= startExtent + endExtent;
  118. }
  119. return makeRegionArea(allocationRectangleXPosition,
  120. allocationRectangleYPosition,
  121. allocationRectangleWidth,
  122. allocationRectangleHeight);
  123. }
  124. protected String getDefaultRegionName() {
  125. return "xsl-region-before";
  126. }
  127. public String getRegionClass() {
  128. return REGION_CLASS;
  129. }
  130. public boolean getPrecedence() {
  131. return (precedence == Precedence.TRUE ? true : false);
  132. }
  133. public int getExtent() {
  134. return properties.get("extent").getLength().mvalue();
  135. }
  136. }