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120 lines
4.3 KiB
JavaScript
Executable file
120 lines
4.3 KiB
JavaScript
Executable file
/* ***** BEGIN LICENSE BLOCK *****
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* Distributed under the BSD license:
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*
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* Copyright (c) 2010, Ajax.org B.V.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Ajax.org B.V. nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ***** END LICENSE BLOCK ***** */
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define(function(require, exports, module) {
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"use strict";
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var oop = require("../../lib/oop");
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var BaseFoldMode = require("./fold_mode").FoldMode;
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var Range = require("../../range").Range;
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var FoldMode = exports.FoldMode = function() {};
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oop.inherits(FoldMode, BaseFoldMode);
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(function() {
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this.getFoldWidgetRange = function(session, foldStyle, row) {
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var range = this.indentationBlock(session, row);
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if (range)
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return range;
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var re = /\S/;
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var line = session.getLine(row);
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var startLevel = line.search(re);
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if (startLevel == -1 || line[startLevel] != "#")
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return;
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var startColumn = line.length;
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var maxRow = session.getLength();
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var startRow = row;
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var endRow = row;
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while (++row < maxRow) {
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line = session.getLine(row);
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var level = line.search(re);
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if (level == -1)
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continue;
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if (line[level] != "#")
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break;
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endRow = row;
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}
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if (endRow > startRow) {
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var endColumn = session.getLine(endRow).length;
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return new Range(startRow, startColumn, endRow, endColumn);
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}
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};
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// must return "" if there's no fold, to enable caching
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this.getFoldWidget = function(session, foldStyle, row) {
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var line = session.getLine(row);
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var indent = line.search(/\S/);
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var next = session.getLine(row + 1);
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var prev = session.getLine(row - 1);
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var prevIndent = prev.search(/\S/);
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var nextIndent = next.search(/\S/);
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if (indent == -1) {
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session.foldWidgets[row - 1] = prevIndent!= -1 && prevIndent < nextIndent ? "start" : "";
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return "";
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}
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// documentation comments
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if (prevIndent == -1) {
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if (indent == nextIndent && line[indent] == "#" && next[indent] == "#") {
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session.foldWidgets[row - 1] = "";
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session.foldWidgets[row + 1] = "";
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return "start";
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}
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} else if (prevIndent == indent && line[indent] == "#" && prev[indent] == "#") {
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if (session.getLine(row - 2).search(/\S/) == -1) {
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session.foldWidgets[row - 1] = "start";
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session.foldWidgets[row + 1] = "";
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return "";
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}
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}
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if (prevIndent!= -1 && prevIndent < indent)
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session.foldWidgets[row - 1] = "start";
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else
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session.foldWidgets[row - 1] = "";
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if (indent < nextIndent)
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return "start";
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else
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return "";
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};
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}).call(FoldMode.prototype);
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});
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