mirror of https://github.com/ColorlibHQ/AdminLTE
98 lines
3.8 KiB
JavaScript
98 lines
3.8 KiB
JavaScript
// CodeMirror, copyright (c) by Marijn Haverbeke and others
|
|
// Distributed under an MIT license: https://codemirror.net/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();
|
|
};
|
|
});
|