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/jEdit/tags/jedit-4-5-pre1/org/gjt/sp/jedit/indent/OpenBracketIndentRule.java

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Java | 91 lines | 54 code | 8 blank | 29 comment | 10 complexity | aceba5c0a285f8b5791bc86c1686e312 MD5 | raw file
Possible License(s): BSD-3-Clause, AGPL-1.0, Apache-2.0, LGPL-2.0, LGPL-3.0, GPL-2.0, CC-BY-SA-3.0, LGPL-2.1, GPL-3.0, MPL-2.0-no-copyleft-exception, IPL-1.0
  1. /*
  2. * OpenBracketIndentRule.java
  3. * :tabSize=8:indentSize=8:noTabs=false:
  4. * :folding=explicit:collapseFolds=1:
  5. *
  6. * Copyright (C) 2005 Slava Pestov
  7. *
  8. * This program is free software; you can redistribute it and/or
  9. * modify it under the terms of the GNU General Public License
  10. * as published by the Free Software Foundation; either version 2
  11. * of the License, or any later version.
  12. *
  13. * This program is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16. * GNU General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU General Public License
  19. * along with this program; if not, write to the Free Software
  20. * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  21. */
  22. package org.gjt.sp.jedit.indent;
  23. import java.util.List;
  24. import org.gjt.sp.jedit.buffer.JEditBuffer;
  25. import org.gjt.sp.jedit.TextUtilities;
  26. /**
  27. * @author Slava Pestov
  28. * @version $Id: OpenBracketIndentRule.java 12504 2008-04-22 23:12:43Z ezust $
  29. */
  30. public class OpenBracketIndentRule extends BracketIndentRule
  31. {
  32. //{{{ OpenBracketIndentRule constructor
  33. public OpenBracketIndentRule(char openBracket, boolean aligned)
  34. {
  35. super(openBracket,
  36. TextUtilities.getComplementaryBracket(openBracket,null));
  37. this.aligned = aligned;
  38. } //}}}
  39. //{{{ apply() method
  40. public void apply(JEditBuffer buffer, int thisLineIndex,
  41. int prevLineIndex, int prevPrevLineIndex,
  42. List<IndentAction> indentActions)
  43. {
  44. int prevOpenBracketCount = getOpenBracketCount(buffer,prevLineIndex);
  45. if(prevOpenBracketCount != 0)
  46. {
  47. handleCollapse(indentActions, true);
  48. boolean multiple = buffer.getBooleanProperty(
  49. "multipleBracketIndent");
  50. IndentAction increase = new IndentAction.Increase(
  51. multiple ? prevOpenBracketCount : 1);
  52. indentActions.add(increase);
  53. }
  54. else if(getOpenBracketCount(buffer,thisLineIndex) != 0)
  55. {
  56. handleCollapse(indentActions, false);
  57. }
  58. } //}}}
  59. //{{{ getOpenBracketCount() method
  60. private int getOpenBracketCount(JEditBuffer buffer, int line)
  61. {
  62. if(line == -1)
  63. return 0;
  64. else
  65. return getBrackets(buffer, line).openCount;
  66. } //}}}
  67. //{{{ handleCollapse() method
  68. private static void handleCollapse(List<IndentAction> indentActions,
  69. boolean delPrevPrevCollapse)
  70. {
  71. if (indentActions.contains(IndentAction.PrevCollapse))
  72. {
  73. indentActions.clear();
  74. return;
  75. }
  76. if (delPrevPrevCollapse && indentActions.contains(IndentAction.PrevPrevCollapse))
  77. {
  78. indentActions.clear();
  79. return;
  80. }
  81. } //}}}
  82. private boolean aligned;
  83. }