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1 // CodeMirror, copyright (c) by Marijn Haverbeke and others
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2 // Distributed under an MIT license: https://codemirror.net/5/LICENSE
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3
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4 // Defines jumpToLine command. Uses dialog.js if present.
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5
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6 (function(mod) {
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7 if (typeof exports == "object" && typeof module == "object") // CommonJS
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8 mod(require("../../lib/codemirror"), require("../dialog/dialog"));
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9 else if (typeof define == "function" && define.amd) // AMD
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10 define(["../../lib/codemirror", "../dialog/dialog"], mod);
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11 else // Plain browser env
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12 mod(CodeMirror);
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13 })(function(CodeMirror) {
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14 "use strict";
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15
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16 // default search panel location
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17 CodeMirror.defineOption("search", {bottom: false});
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18
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19 function dialog(cm, text, shortText, deflt, f) {
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20 if (cm.openDialog) cm.openDialog(text, f, {value: deflt, selectValueOnOpen: true, bottom: cm.options.search.bottom});
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21 else f(prompt(shortText, deflt));
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22 }
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23
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24 function getJumpDialog(cm) {
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25 return cm.phrase("Jump to line:") + ' <input type="text" style="width: 10em" class="CodeMirror-search-field"/> <span style="color: #888" class="CodeMirror-search-hint">' + cm.phrase("(Use line:column or scroll% syntax)") + '</span>';
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26 }
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27
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28 function interpretLine(cm, string) {
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29 var num = Number(string)
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30 if (/^[-+]/.test(string)) return cm.getCursor().line + num
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31 else return num - 1
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32 }
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33
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34 CodeMirror.commands.jumpToLine = function(cm) {
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35 var cur = cm.getCursor();
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36 dialog(cm, getJumpDialog(cm), cm.phrase("Jump to line:"), (cur.line + 1) + ":" + cur.ch, function(posStr) {
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37 if (!posStr) return;
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38
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39 var match;
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40 if (match = /^\s*([\+\-]?\d+)\s*\:\s*(\d+)\s*$/.exec(posStr)) {
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41 cm.setCursor(interpretLine(cm, match[1]), Number(match[2]))
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42 } else if (match = /^\s*([\+\-]?\d+(\.\d+)?)\%\s*/.exec(posStr)) {
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43 var line = Math.round(cm.lineCount() * Number(match[1]) / 100);
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44 if (/^[-+]/.test(match[1])) line = cur.line + line + 1;
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45 cm.setCursor(line - 1, cur.ch);
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46 } else if (match = /^\s*\:?\s*([\+\-]?\d+)\s*/.exec(posStr)) {
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47 cm.setCursor(interpretLine(cm, match[1]), cur.ch);
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48 }
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49 });
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50 };
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51
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52 CodeMirror.keyMap["default"]["Alt-G"] = "jumpToLine";
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53 });
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