blob: 22e1c2d9962591a293f4865f1d9c8ffc1ecf0364 [file] [log] [blame]
adminbae64d82013-08-01 10:50:15 -07001// Define search commands. Depends on dialog.js or another
2// implementation of the openDialog method.
3
4// Replace works a little oddly -- it will do the replace on the next
5// Ctrl-G (or whatever is bound to findNext) press. You prevent a
6// replace by making sure the match is no longer selected when hitting
7// Ctrl-G.
8
9(function() {
10 function SearchState() {
11 this.posFrom = this.posTo = this.query = null;
12 this.marked = [];
13 }
14 function getSearchState(cm) {
15 return cm._searchState || (cm._searchState = new SearchState());
16 }
17 function dialog(cm, text, shortText, f) {
18 if (cm.openDialog) cm.openDialog(text, f);
19 else f(prompt(shortText, ""));
20 }
21 function confirmDialog(cm, text, shortText, fs) {
22 if (cm.openConfirm) cm.openConfirm(text, fs);
23 else if (confirm(shortText)) fs[0]();
24 }
25 function parseQuery(query) {
26 var isRE = query.match(/^\/(.*)\/$/);
27 return isRE ? new RegExp(isRE[1]) : query;
28 }
29 var queryDialog =
30 'Search: <input type="text" style="width: 10em"> <input type="submit" name=b1 value="Find"> <span style="color: #888">(Use /re/ syntax for regexp search)</span>';
31 function doSearch(cm, rev) {
32 var state = getSearchState(cm);
33 if (state.query) return findNext(cm,rev);
34 dialog(cm, queryDialog, "Search for:", function(query) {
35 cm.operation(function() {
36 if (!query || state.query) return;
37 state.query = parseQuery(query);
38 if (cm.lineCount() < 200000) { // This is too expensive on big documents.
39 for (var cursor = cm.getSearchCursor(query); cursor.findNext();)
40 state.marked.push(cm.markText(cursor.from(), cursor.to(), "CodeMirror-searching"));
41 }
42 state.posFrom = state.posTo = cm.getCursor();
43 findNext(cm, rev);
44 });
45 });
46 }
47 function findNext(cm, rev) {cm.operation(function() {
48 var state = getSearchState(cm);
49 var cursor = cm.getSearchCursor(state.query, rev ? state.posFrom : state.posTo);
50 if (!cursor.find(rev)) {
51 cursor = cm.getSearchCursor(state.query, rev ? {line: cm.lineCount() - 1} : {line: 0, ch: 0});
52 if (!cursor.find(rev)) return;
53 }
54// cm.setSelection(cursor.from(), cursor.to());
55 state.posFrom = cursor.from(); state.posTo = cursor.to();
56 })}
57 function clearSearch(cm) {cm.operation(function() {
58 var state = getSearchState(cm);
59 if (!state.query) return;
60 state.query = null;
61 for (var i = 0; i < state.marked.length; ++i) state.marked[i].clear();
62 state.marked.length = 0;
63 })}
64
65 var replaceQueryDialog =
66 'Replace: <input type="text" style="width: 10em"> <span style="color: #888">(Use /re/ syntax for regexp search)</span>';
67 var replacementQueryDialog = 'With: <input type="text" style="width: 10em">';
68 var doReplaceConfirm = "Replace? <button>Yes</button> <button>No</button> <button>Stop</button>";
69 function replace(cm, all) {
70 dialog(cm, replaceQueryDialog, "Replace:", function(query) {
71 if (!query) return;
72 query = parseQuery(query);
73 dialog(cm, replacementQueryDialog, "Replace with:", function(text) {
74 if (all) {
75 cm.compoundChange(function() { cm.operation(function() {
76 for (var cursor = cm.getSearchCursor(query); cursor.findNext();) {
77 if (typeof query != "string") {
78 var match = cm.getRange(cursor.from(), cursor.to()).match(query);
79 cursor.replace(text.replace(/\$(\d)/, function(w, i) {return match[i];}));
80 } else cursor.replace(text);
81 }
82 })});
83 } else {
84 clearSearch(cm);
85 var cursor = cm.getSearchCursor(query, cm.getCursor());
86 function advance() {
87 var start = cursor.from(), match;
88 if (!(match = cursor.findNext())) {
89 cursor = cm.getSearchCursor(query);
90 if (!(match = cursor.findNext()) ||
91 (cursor.from().line == start.line && cursor.from().ch == start.ch)) return;
92 }
93 cm.setSelection(cursor.from(), cursor.to());
94 confirmDialog(cm, doReplaceConfirm, "Replace?",
95 [function() {doReplace(match);}, advance]);
96 }
97 function doReplace(match) {
98 cursor.replace(typeof query == "string" ? text :
99 text.replace(/\$(\d)/, function(w, i) {return match[i];}));
100 advance();
101 }
102 advance();
103 }
104 });
105 });
106 }
107
108 CodeMirror.commands.find = function(cm) {clearSearch(cm); doSearch(cm);};
109 CodeMirror.commands.findNext = doSearch;
110 CodeMirror.commands.findPrev = function(cm) {doSearch(cm, true);};
111 CodeMirror.commands.clearSearch = clearSearch;
112 CodeMirror.commands.replace = replace;
113 CodeMirror.commands.replaceAll = function(cm) {replace(cm, true);};
114})();