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File: FrontEndScripts/libs/codemirror/addon/fold/foldgutter.js

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  Classes of Aleksey Nemiro   PHP Small Server Administrator   FrontEndScripts/libs/codemirror/addon/fold/foldgutter.js   Download  
File: FrontEndScripts/libs/codemirror/addon/fold/foldgutter.js
Role: Auxiliary data
Content type: text/plain
Description: Auxiliary data
Class: PHP Small Server Administrator
Web panel for small Debian and Ubuntu servers
Author: By
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Date: 8 years ago
Size: 4,612 bytes
 

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// CodeMirror, copyright (c) by Marijn Haverbeke and others // Distributed under an MIT license: http://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS mod(require("../../lib/codemirror"), require("./foldcode")); else if (typeof define == "function" && define.amd) // AMD define(["../../lib/codemirror", "./foldcode"], mod); else // Plain browser env mod(CodeMirror); })(function(CodeMirror) { "use strict"; CodeMirror.defineOption("foldGutter", false, function(cm, val, old) { if (old && old != CodeMirror.Init) { cm.clearGutter(cm.state.foldGutter.options.gutter); cm.state.foldGutter = null; cm.off("gutterClick", onGutterClick); cm.off("change", onChange); cm.off("viewportChange", onViewportChange); cm.off("fold", onFold); cm.off("unfold", onFold); cm.off("swapDoc", onChange); } if (val) { cm.state.foldGutter = new State(parseOptions(val)); updateInViewport(cm); cm.on("gutterClick", onGutterClick); cm.on("change", onChange); cm.on("viewportChange", onViewportChange); cm.on("fold", onFold); cm.on("unfold", onFold); cm.on("swapDoc", onChange); } }); var Pos = CodeMirror.Pos; function State(options) { this.options = options; this.from = this.to = 0; } function parseOptions(opts) { if (opts === true) opts = {}; if (opts.gutter == null) opts.gutter = "CodeMirror-foldgutter"; if (opts.indicatorOpen == null) opts.indicatorOpen = "CodeMirror-foldgutter-open"; if (opts.indicatorFolded == null) opts.indicatorFolded = "CodeMirror-foldgutter-folded"; return opts; } function isFolded(cm, line) { var marks = cm.findMarksAt(Pos(line)); for (var i = 0; i < marks.length; ++i) if (marks[i].__isFold && marks[i].find().from.line == line) return marks[i]; } function marker(spec) { if (typeof spec == "string") { var elt = document.createElement("div"); elt.className = spec + " CodeMirror-guttermarker-subtle"; return elt; } else { return spec.cloneNode(true); } } function updateFoldInfo(cm, from, to) { var opts = cm.state.foldGutter.options, cur = from; var minSize = cm.foldOption(opts, "minFoldSize"); var func = cm.foldOption(opts, "rangeFinder"); cm.eachLine(from, to, function(line) { var mark = null; if (isFolded(cm, cur)) { mark = marker(opts.indicatorFolded); } else { var pos = Pos(cur, 0); var range = func && func(cm, pos); if (range && range.to.line - range.from.line >= minSize) mark = marker(opts.indicatorOpen); } cm.setGutterMarker(line, opts.gutter, mark); ++cur; }); } function updateInViewport(cm) { var vp = cm.getViewport(), state = cm.state.foldGutter; if (!state) return; cm.operation(function() { updateFoldInfo(cm, vp.from, vp.to); }); state.from = vp.from; state.to = vp.to; } function onGutterClick(cm, line, gutter) { var state = cm.state.foldGutter; if (!state) return; var opts = state.options; if (gutter != opts.gutter) return; var folded = isFolded(cm, line); if (folded) folded.clear(); else cm.foldCode(Pos(line, 0), opts.rangeFinder); } function onChange(cm) { var state = cm.state.foldGutter; if (!state) return; var opts = state.options; state.from = state.to = 0; clearTimeout(state.changeUpdate); state.changeUpdate = setTimeout(function() { updateInViewport(cm); }, opts.foldOnChangeTimeSpan || 600); } function onViewportChange(cm) { var state = cm.state.foldGutter; if (!state) return; var opts = state.options; clearTimeout(state.changeUpdate); state.changeUpdate = setTimeout(function() { var vp = cm.getViewport(); if (state.from == state.to || vp.from - state.to > 20 || state.from - vp.to > 20) { updateInViewport(cm); } else { cm.operation(function() { if (vp.from < state.from) { updateFoldInfo(cm, vp.from, state.from); state.from = vp.from; } if (vp.to > state.to) { updateFoldInfo(cm, state.to, vp.to); state.to = vp.to; } }); } }, opts.updateViewportTimeSpan || 400); } function onFold(cm, from) { var state = cm.state.foldGutter; if (!state) return; var line = from.line; if (line >= state.from && line < state.to) updateFoldInfo(cm, line, line + 1); } });