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- /* ***** BEGIN LICENSE BLOCK *****
- * Distributed under the BSD license:
- *
- * Copyright (c) 2010, Ajax.org B.V.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * 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.
- * * Neither the name of Ajax.org B.V. nor the
- * names of its contributors may be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
- * ANY EXPRESS 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 AJAX.ORG B.V. BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, 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.
- *
- * ***** END LICENSE BLOCK ***** */
- define(function(require, exports, module) {
- "use strict";
- var oop = require("../../lib/oop");
- var BaseFoldMode = require("./fold_mode").FoldMode;
- var Range = require("../../range").Range;
- var FoldMode = exports.FoldMode = function() {};
- oop.inherits(FoldMode, BaseFoldMode);
- (function() {
- this.getFoldWidgetRange = function(session, foldStyle, row) {
- var range = this.indentationBlock(session, row);
- if (range)
- return range;
- var re = /\S/;
- var line = session.getLine(row);
- var startLevel = line.search(re);
- if (startLevel == -1 || line[startLevel] != "#")
- return;
- var startColumn = line.length;
- var maxRow = session.getLength();
- var startRow = row;
- var endRow = row;
- while (++row < maxRow) {
- line = session.getLine(row);
- var level = line.search(re);
- if (level == -1)
- continue;
- if (line[level] != "#")
- break;
- endRow = row;
- }
- if (endRow > startRow) {
- var endColumn = session.getLine(endRow).length;
- return new Range(startRow, startColumn, endRow, endColumn);
- }
- };
- // must return "" if there's no fold, to enable caching
- this.getFoldWidget = function(session, foldStyle, row) {
- var line = session.getLine(row);
- var indent = line.search(/\S/);
- var next = session.getLine(row + 1);
- var prev = session.getLine(row - 1);
- var prevIndent = prev.search(/\S/);
- var nextIndent = next.search(/\S/);
- if (indent == -1) {
- session.foldWidgets[row - 1] = prevIndent!= -1 && prevIndent < nextIndent ? "start" : "";
- return "";
- }
- // documentation comments
- if (prevIndent == -1) {
- if (indent == nextIndent && line[indent] == "#" && next[indent] == "#") {
- session.foldWidgets[row - 1] = "";
- session.foldWidgets[row + 1] = "";
- return "start";
- }
- } else if (prevIndent == indent && line[indent] == "#" && prev[indent] == "#") {
- if (session.getLine(row - 2).search(/\S/) == -1) {
- session.foldWidgets[row - 1] = "start";
- session.foldWidgets[row + 1] = "";
- return "";
- }
- }
- if (prevIndent!= -1 && prevIndent < indent)
- session.foldWidgets[row - 1] = "start";
- else
- session.foldWidgets[row - 1] = "";
- if (indent < nextIndent)
- return "start";
- else
- return "";
- };
- }).call(FoldMode.prototype);
- });
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