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comparison src/nabble/view/web/util/codemirror/js/mirrorframe.js @ 0:7ecd1a4ef557

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author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 21 Mar 2019 19:15:52 -0600
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-1:000000000000 0:7ecd1a4ef557
1 /* Demonstration of embedding CodeMirror in a bigger application. The
2 * interface defined here is a mess of prompts and confirms, and
3 * should probably not be used in a real project.
4 */
5
6 function MirrorFrame(place, options) {
7 this.home = document.createElement("div");
8 if (place.appendChild)
9 place.appendChild(this.home);
10 else
11 place(this.home);
12
13 var self = this;
14 function makeButton(name, action) {
15 var button = document.createElement("input");
16 button.type = "button";
17 button.value = name;
18 self.home.appendChild(button);
19 button.onclick = function(){self[action].call(self);};
20 }
21
22 makeButton("Search", "search");
23 makeButton("Replace", "replace");
24 makeButton("Current line", "line");
25 makeButton("Jump to line", "jump");
26 makeButton("Insert constructor", "macro");
27 makeButton("Indent all", "reindent");
28
29 this.mirror = new CodeMirror(this.home, options);
30 }
31
32 MirrorFrame.prototype = {
33 search: function() {
34 var text = prompt("Enter search term:", "");
35 if (!text) return;
36
37 var first = true;
38 do {
39 var cursor = this.mirror.getSearchCursor(text, first);
40 first = false;
41 while (cursor.findNext()) {
42 cursor.select();
43 if (!confirm("Search again?"))
44 return;
45 }
46 } while (confirm("End of document reached. Start over?"));
47 },
48
49 replace: function() {
50 // This is a replace-all, but it is possible to implement a
51 // prompting replace.
52 var from = prompt("Enter search string:", ""), to;
53 if (from) to = prompt("What should it be replaced with?", "");
54 if (to == null) return;
55
56 var cursor = this.mirror.getSearchCursor(from, false);
57 while (cursor.findNext())
58 cursor.replace(to);
59 },
60
61 jump: function() {
62 var line = prompt("Jump to line:", "");
63 if (line && !isNaN(Number(line)))
64 this.mirror.jumpToLine(Number(line));
65 },
66
67 line: function() {
68 alert("The cursor is currently at line " + this.mirror.currentLine());
69 this.mirror.focus();
70 },
71
72 macro: function() {
73 var name = prompt("Name your constructor:", "");
74 if (name)
75 this.mirror.replaceSelection("function " + name + "() {\n \n}\n\n" + name + ".prototype = {\n \n};\n");
76 },
77
78 reindent: function() {
79 this.mirror.reindent();
80 }
81 };