fold_handler.js 3.5 KB

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  1. /* ***** BEGIN LICENSE BLOCK *****
  2. * Distributed under the BSD license:
  3. *
  4. * Copyright (c) 2010, Ajax.org B.V.
  5. * All rights reserved.
  6. *
  7. * Redistribution and use in source and binary forms, with or without
  8. * modification, are permitted provided that the following conditions are met:
  9. * * Redistributions of source code must retain the above copyright
  10. * notice, this list of conditions and the following disclaimer.
  11. * * Redistributions in binary form must reproduce the above copyright
  12. * notice, this list of conditions and the following disclaimer in the
  13. * documentation and/or other materials provided with the distribution.
  14. * * Neither the name of Ajax.org B.V. nor the
  15. * names of its contributors may be used to endorse or promote products
  16. * derived from this software without specific prior written permission.
  17. *
  18. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  19. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  20. * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  21. * DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
  22. * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  23. * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  24. * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  25. * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27. * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28. *
  29. * ***** END LICENSE BLOCK ***** */
  30. define(function(require, exports, module) {
  31. "use strict";
  32. function FoldHandler(editor) {
  33. editor.on("click", function(e) {
  34. var position = e.getDocumentPosition();
  35. var session = editor.session;
  36. // If the user clicked on a fold, then expand it.
  37. var fold = session.getFoldAt(position.row, position.column, 1);
  38. if (fold) {
  39. if (e.getAccelKey())
  40. session.removeFold(fold);
  41. else
  42. session.expandFold(fold);
  43. e.stop();
  44. }
  45. });
  46. editor.on("gutterclick", function(e) {
  47. var gutterRegion = editor.renderer.$gutterLayer.getRegion(e);
  48. if (gutterRegion == "foldWidgets") {
  49. var row = e.getDocumentPosition().row;
  50. var session = editor.session;
  51. if (session.foldWidgets && session.foldWidgets[row])
  52. editor.session.onFoldWidgetClick(row, e);
  53. if (!editor.isFocused())
  54. editor.focus();
  55. e.stop();
  56. }
  57. });
  58. editor.on("gutterdblclick", function(e) {
  59. var gutterRegion = editor.renderer.$gutterLayer.getRegion(e);
  60. if (gutterRegion == "foldWidgets") {
  61. var row = e.getDocumentPosition().row;
  62. var session = editor.session;
  63. var data = session.getParentFoldRangeData(row, true);
  64. var range = data.range || data.firstRange;
  65. if (range) {
  66. row = range.start.row;
  67. var fold = session.getFoldAt(row, session.getLine(row).length, 1);
  68. if (fold) {
  69. session.removeFold(fold);
  70. } else {
  71. session.addFold("...", range);
  72. editor.renderer.scrollCursorIntoView({row: range.start.row, column: 0});
  73. }
  74. }
  75. e.stop();
  76. }
  77. });
  78. }
  79. exports.FoldHandler = FoldHandler;
  80. });