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50 lines
1.9 KiB
50 lines
1.9 KiB
8 years ago
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// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: http://codemirror.net/LICENSE
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// Defines jumpToLine command. Uses dialog.js if present.
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(function(mod) {
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if (typeof exports == "object" && typeof module == "object") // CommonJS
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mod(require("../../lib/codemirror"), require("../dialog/dialog"));
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else if (typeof define == "function" && define.amd) // AMD
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define(["../../lib/codemirror", "../dialog/dialog"], mod);
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else // Plain browser env
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mod(CodeMirror);
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})(function(CodeMirror) {
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"use strict";
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function dialog(cm, text, shortText, deflt, f) {
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if (cm.openDialog) cm.openDialog(text, f, {value: deflt, selectValueOnOpen: true});
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else f(prompt(shortText, deflt));
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}
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var jumpDialog =
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'Jump to line: <input type="text" style="width: 10em" class="CodeMirror-search-field"/> <span style="color: #888" class="CodeMirror-search-hint">(Use line:column or scroll% syntax)</span>';
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function interpretLine(cm, string) {
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var num = Number(string)
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if (/^[-+]/.test(string)) return cm.getCursor().line + num
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else return num - 1
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}
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CodeMirror.commands.jumpToLine = function(cm) {
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var cur = cm.getCursor();
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dialog(cm, jumpDialog, "Jump to line:", (cur.line + 1) + ":" + cur.ch, function(posStr) {
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if (!posStr) return;
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var match;
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if (match = /^\s*([\+\-]?\d+)\s*\:\s*(\d+)\s*$/.exec(posStr)) {
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cm.setCursor(interpretLine(cm, match[1]), Number(match[2]))
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} else if (match = /^\s*([\+\-]?\d+(\.\d+)?)\%\s*/.exec(posStr)) {
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var line = Math.round(cm.lineCount() * Number(match[1]) / 100);
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if (/^[-+]/.test(match[1])) line = cur.line + line + 1;
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cm.setCursor(line - 1, cur.ch);
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} else if (match = /^\s*\:?\s*([\+\-]?\d+)\s*/.exec(posStr)) {
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cm.setCursor(interpretLine(cm, match[1]), cur.ch);
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}
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});
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};
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CodeMirror.keyMap["default"]["Alt-G"] = "jumpToLine";
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});
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