Mercurial
diff .cms/lib/codemirror/addon/search/matchesonscrollbar.js @ 0:78edf6b517a0 draft
24.10
author | Coffee CMS <info@coffee-cms.ru> |
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date | Fri, 11 Oct 2024 22:40:23 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/.cms/lib/codemirror/addon/search/matchesonscrollbar.js Fri Oct 11 22:40:23 2024 +0000 @@ -0,0 +1,97 @@ +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: https://codemirror.net/5/LICENSE + +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("../../lib/codemirror"), require("./searchcursor"), require("../scroll/annotatescrollbar")); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror", "./searchcursor", "../scroll/annotatescrollbar"], mod); + else // Plain browser env + mod(CodeMirror); +})(function(CodeMirror) { + "use strict"; + + CodeMirror.defineExtension("showMatchesOnScrollbar", function(query, caseFold, options) { + if (typeof options == "string") options = {className: options}; + if (!options) options = {}; + return new SearchAnnotation(this, query, caseFold, options); + }); + + function SearchAnnotation(cm, query, caseFold, options) { + this.cm = cm; + this.options = options; + var annotateOptions = {listenForChanges: false}; + for (var prop in options) annotateOptions[prop] = options[prop]; + if (!annotateOptions.className) annotateOptions.className = "CodeMirror-search-match"; + this.annotation = cm.annotateScrollbar(annotateOptions); + this.query = query; + this.caseFold = caseFold; + this.gap = {from: cm.firstLine(), to: cm.lastLine() + 1}; + this.matches = []; + this.update = null; + + this.findMatches(); + this.annotation.update(this.matches); + + var self = this; + cm.on("change", this.changeHandler = function(_cm, change) { self.onChange(change); }); + } + + var MAX_MATCHES = 1000; + + SearchAnnotation.prototype.findMatches = function() { + if (!this.gap) return; + for (var i = 0; i < this.matches.length; i++) { + var match = this.matches[i]; + if (match.from.line >= this.gap.to) break; + if (match.to.line >= this.gap.from) this.matches.splice(i--, 1); + } + var cursor = this.cm.getSearchCursor(this.query, CodeMirror.Pos(this.gap.from, 0), {caseFold: this.caseFold, multiline: this.options.multiline}); + var maxMatches = this.options && this.options.maxMatches || MAX_MATCHES; + while (cursor.findNext()) { + var match = {from: cursor.from(), to: cursor.to()}; + if (match.from.line >= this.gap.to) break; + this.matches.splice(i++, 0, match); + if (this.matches.length > maxMatches) break; + } + this.gap = null; + }; + + function offsetLine(line, changeStart, sizeChange) { + if (line <= changeStart) return line; + return Math.max(changeStart, line + sizeChange); + } + + SearchAnnotation.prototype.onChange = function(change) { + var startLine = change.from.line; + var endLine = CodeMirror.changeEnd(change).line; + var sizeChange = endLine - change.to.line; + if (this.gap) { + this.gap.from = Math.min(offsetLine(this.gap.from, startLine, sizeChange), change.from.line); + this.gap.to = Math.max(offsetLine(this.gap.to, startLine, sizeChange), change.from.line); + } else { + this.gap = {from: change.from.line, to: endLine + 1}; + } + + if (sizeChange) for (var i = 0; i < this.matches.length; i++) { + var match = this.matches[i]; + var newFrom = offsetLine(match.from.line, startLine, sizeChange); + if (newFrom != match.from.line) match.from = CodeMirror.Pos(newFrom, match.from.ch); + var newTo = offsetLine(match.to.line, startLine, sizeChange); + if (newTo != match.to.line) match.to = CodeMirror.Pos(newTo, match.to.ch); + } + clearTimeout(this.update); + var self = this; + this.update = setTimeout(function() { self.updateAfterChange(); }, 250); + }; + + SearchAnnotation.prototype.updateAfterChange = function() { + this.findMatches(); + this.annotation.update(this.matches); + }; + + SearchAnnotation.prototype.clear = function() { + this.cm.off("change", this.changeHandler); + this.annotation.clear(); + }; +});