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comparison .cms/lib/codemirror/addon/fold/foldcode.js @ 0:78edf6b517a0 draft

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24.10
author Coffee CMS <info@coffee-cms.ru>
date Fri, 11 Oct 2024 22:40:23 +0000
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-1:000000000000 0:78edf6b517a0
1 // CodeMirror, copyright (c) by Marijn Haverbeke and others
2 // Distributed under an MIT license: https://codemirror.net/5/LICENSE
3
4 (function(mod) {
5 if (typeof exports == "object" && typeof module == "object") // CommonJS
6 mod(require("../../lib/codemirror"));
7 else if (typeof define == "function" && define.amd) // AMD
8 define(["../../lib/codemirror"], mod);
9 else // Plain browser env
10 mod(CodeMirror);
11 })(function(CodeMirror) {
12 "use strict";
13
14 function doFold(cm, pos, options, force) {
15 if (options && options.call) {
16 var finder = options;
17 options = null;
18 } else {
19 var finder = getOption(cm, options, "rangeFinder");
20 }
21 if (typeof pos == "number") pos = CodeMirror.Pos(pos, 0);
22 var minSize = getOption(cm, options, "minFoldSize");
23
24 function getRange(allowFolded) {
25 var range = finder(cm, pos);
26 if (!range || range.to.line - range.from.line < minSize) return null;
27 if (force === "fold") return range;
28
29 var marks = cm.findMarksAt(range.from);
30 for (var i = 0; i < marks.length; ++i) {
31 if (marks[i].__isFold) {
32 if (!allowFolded) return null;
33 range.cleared = true;
34 marks[i].clear();
35 }
36 }
37 return range;
38 }
39
40 var range = getRange(true);
41 if (getOption(cm, options, "scanUp")) while (!range && pos.line > cm.firstLine()) {
42 pos = CodeMirror.Pos(pos.line - 1, 0);
43 range = getRange(false);
44 }
45 if (!range || range.cleared || force === "unfold") return;
46
47 var myWidget = makeWidget(cm, options, range);
48 CodeMirror.on(myWidget, "mousedown", function(e) {
49 myRange.clear();
50 CodeMirror.e_preventDefault(e);
51 });
52 var myRange = cm.markText(range.from, range.to, {
53 replacedWith: myWidget,
54 clearOnEnter: getOption(cm, options, "clearOnEnter"),
55 __isFold: true
56 });
57 myRange.on("clear", function(from, to) {
58 CodeMirror.signal(cm, "unfold", cm, from, to);
59 });
60 CodeMirror.signal(cm, "fold", cm, range.from, range.to);
61 }
62
63 function makeWidget(cm, options, range) {
64 var widget = getOption(cm, options, "widget");
65
66 if (typeof widget == "function") {
67 widget = widget(range.from, range.to);
68 }
69
70 if (typeof widget == "string") {
71 var text = document.createTextNode(widget);
72 widget = document.createElement("span");
73 widget.appendChild(text);
74 widget.className = "CodeMirror-foldmarker";
75 } else if (widget) {
76 widget = widget.cloneNode(true)
77 }
78 return widget;
79 }
80
81 // Clumsy backwards-compatible interface
82 CodeMirror.newFoldFunction = function(rangeFinder, widget) {
83 return function(cm, pos) { doFold(cm, pos, {rangeFinder: rangeFinder, widget: widget}); };
84 };
85
86 // New-style interface
87 CodeMirror.defineExtension("foldCode", function(pos, options, force) {
88 doFold(this, pos, options, force);
89 });
90
91 CodeMirror.defineExtension("isFolded", function(pos) {
92 var marks = this.findMarksAt(pos);
93 for (var i = 0; i < marks.length; ++i)
94 if (marks[i].__isFold) return true;
95 });
96
97 CodeMirror.commands.toggleFold = function(cm) {
98 cm.foldCode(cm.getCursor());
99 };
100 CodeMirror.commands.fold = function(cm) {
101 cm.foldCode(cm.getCursor(), null, "fold");
102 };
103 CodeMirror.commands.unfold = function(cm) {
104 cm.foldCode(cm.getCursor(), { scanUp: false }, "unfold");
105 };
106 CodeMirror.commands.foldAll = function(cm) {
107 cm.operation(function() {
108 for (var i = cm.firstLine(), e = cm.lastLine(); i <= e; i++)
109 cm.foldCode(CodeMirror.Pos(i, 0), { scanUp: false }, "fold");
110 });
111 };
112 CodeMirror.commands.unfoldAll = function(cm) {
113 cm.operation(function() {
114 for (var i = cm.firstLine(), e = cm.lastLine(); i <= e; i++)
115 cm.foldCode(CodeMirror.Pos(i, 0), { scanUp: false }, "unfold");
116 });
117 };
118
119 CodeMirror.registerHelper("fold", "combine", function() {
120 var funcs = Array.prototype.slice.call(arguments, 0);
121 return function(cm, start) {
122 for (var i = 0; i < funcs.length; ++i) {
123 var found = funcs[i](cm, start);
124 if (found) return found;
125 }
126 };
127 });
128
129 CodeMirror.registerHelper("fold", "auto", function(cm, start) {
130 var helpers = cm.getHelpers(start, "fold");
131 for (var i = 0; i < helpers.length; i++) {
132 var cur = helpers[i](cm, start);
133 if (cur) return cur;
134 }
135 });
136
137 var defaultOptions = {
138 rangeFinder: CodeMirror.fold.auto,
139 widget: "\u2194",
140 minFoldSize: 0,
141 scanUp: false,
142 clearOnEnter: true
143 };
144
145 CodeMirror.defineOption("foldOptions", null);
146
147 function getOption(cm, options, name) {
148 if (options && options[name] !== undefined)
149 return options[name];
150 var editorOptions = cm.options.foldOptions;
151 if (editorOptions && editorOptions[name] !== undefined)
152 return editorOptions[name];
153 return defaultOptions[name];
154 }
155
156 CodeMirror.defineExtension("foldOption", function(options, name) {
157 return getOption(this, options, name);
158 });
159 });