HackMD/public/vendor/codemirror/keymap/sublime.js
2016-07-30 12:25:24 +08:00

582 lines
22 KiB
JavaScript

// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: http://codemirror.net/LICENSE
// A rough approximation of Sublime Text's keybindings
// Depends on addon/search/searchcursor.js and optionally addon/dialog/dialogs.js
(function(mod) {
if (typeof exports == "object" && typeof module == "object") // CommonJS
mod(require("../lib/codemirror"), require("../addon/search/searchcursor"), require("../addon/edit/matchbrackets"));
else if (typeof define == "function" && define.amd) // AMD
define(["../lib/codemirror", "../addon/search/searchcursor", "../addon/edit/matchbrackets"], mod);
else // Plain browser env
mod(CodeMirror);
})(function(CodeMirror) {
"use strict";
var map = CodeMirror.keyMap.sublime = {fallthrough: "default"};
var cmds = CodeMirror.commands;
var Pos = CodeMirror.Pos;
var mac = CodeMirror.keyMap["default"] == CodeMirror.keyMap.macDefault;
var ctrl = mac ? "Cmd-" : "Ctrl-";
// This is not exactly Sublime's algorithm. I couldn't make heads or tails of that.
function findPosSubword(doc, start, dir) {
if (dir < 0 && start.ch == 0) return doc.clipPos(Pos(start.line - 1));
var line = doc.getLine(start.line);
if (dir > 0 && start.ch >= line.length) return doc.clipPos(Pos(start.line + 1, 0));
var state = "start", type;
for (var pos = start.ch, e = dir < 0 ? 0 : line.length, i = 0; pos != e; pos += dir, i++) {
var next = line.charAt(dir < 0 ? pos - 1 : pos);
var cat = next != "_" && CodeMirror.isWordChar(next) ? "w" : "o";
if (cat == "w" && next.toUpperCase() == next) cat = "W";
if (state == "start") {
if (cat != "o") { state = "in"; type = cat; }
} else if (state == "in") {
if (type != cat) {
if (type == "w" && cat == "W" && dir < 0) pos--;
if (type == "W" && cat == "w" && dir > 0) { type = "w"; continue; }
break;
}
}
}
return Pos(start.line, pos);
}
function moveSubword(cm, dir) {
cm.extendSelectionsBy(function(range) {
if (cm.display.shift || cm.doc.extend || range.empty())
return findPosSubword(cm.doc, range.head, dir);
else
return dir < 0 ? range.from() : range.to();
});
}
var goSubwordCombo = mac ? "Ctrl-" : "Alt-";
cmds[map[goSubwordCombo + "Left"] = "goSubwordLeft"] = function(cm) { moveSubword(cm, -1); };
cmds[map[goSubwordCombo + "Right"] = "goSubwordRight"] = function(cm) { moveSubword(cm, 1); };
if (mac) map["Cmd-Left"] = "goLineStartSmart";
var scrollLineCombo = mac ? "Ctrl-Alt-" : "Ctrl-";
cmds[map[scrollLineCombo + "Up"] = "scrollLineUp"] = function(cm) {
var info = cm.getScrollInfo();
if (!cm.somethingSelected()) {
var visibleBottomLine = cm.lineAtHeight(info.top + info.clientHeight, "local");
if (cm.getCursor().line >= visibleBottomLine)
cm.execCommand("goLineUp");
}
cm.scrollTo(null, info.top - cm.defaultTextHeight());
};
cmds[map[scrollLineCombo + "Down"] = "scrollLineDown"] = function(cm) {
var info = cm.getScrollInfo();
if (!cm.somethingSelected()) {
var visibleTopLine = cm.lineAtHeight(info.top, "local")+1;
if (cm.getCursor().line <= visibleTopLine)
cm.execCommand("goLineDown");
}
cm.scrollTo(null, info.top + cm.defaultTextHeight());
};
cmds[map["Shift-" + ctrl + "L"] = "splitSelectionByLine"] = function(cm) {
var ranges = cm.listSelections(), lineRanges = [];
for (var i = 0; i < ranges.length; i++) {
var from = ranges[i].from(), to = ranges[i].to();
for (var line = from.line; line <= to.line; ++line)
if (!(to.line > from.line && line == to.line && to.ch == 0))
lineRanges.push({anchor: line == from.line ? from : Pos(line, 0),
head: line == to.line ? to : Pos(line)});
}
cm.setSelections(lineRanges, 0);
};
map["Shift-Tab"] = "indentLess";
cmds[map["Esc"] = "singleSelectionTop"] = function(cm) {
var range = cm.listSelections()[0];
cm.setSelection(range.anchor, range.head, {scroll: false});
};
cmds[map[ctrl + "L"] = "selectLine"] = function(cm) {
var ranges = cm.listSelections(), extended = [];
for (var i = 0; i < ranges.length; i++) {
var range = ranges[i];
extended.push({anchor: Pos(range.from().line, 0),
head: Pos(range.to().line + 1, 0)});
}
cm.setSelections(extended);
};
map["Shift-Ctrl-K"] = "deleteLine";
function insertLine(cm, above) {
if (cm.isReadOnly()) return CodeMirror.Pass
cm.operation(function() {
var len = cm.listSelections().length, newSelection = [], last = -1;
for (var i = 0; i < len; i++) {
var head = cm.listSelections()[i].head;
if (head.line <= last) continue;
var at = Pos(head.line + (above ? 0 : 1), 0);
cm.replaceRange("\n", at, null, "+insertLine");
cm.indentLine(at.line, null, true);
newSelection.push({head: at, anchor: at});
last = head.line + 1;
}
cm.setSelections(newSelection);
});
cm.execCommand("indentAuto");
}
cmds[map[ctrl + "Enter"] = "insertLineAfter"] = function(cm) { return insertLine(cm, false); };
cmds[map["Shift-" + ctrl + "Enter"] = "insertLineBefore"] = function(cm) { return insertLine(cm, true); };
function wordAt(cm, pos) {
var start = pos.ch, end = start, line = cm.getLine(pos.line);
while (start && CodeMirror.isWordChar(line.charAt(start - 1))) --start;
while (end < line.length && CodeMirror.isWordChar(line.charAt(end))) ++end;
return {from: Pos(pos.line, start), to: Pos(pos.line, end), word: line.slice(start, end)};
}
cmds[map[ctrl + "D"] = "selectNextOccurrence"] = function(cm) {
var from = cm.getCursor("from"), to = cm.getCursor("to");
var fullWord = cm.state.sublimeFindFullWord == cm.doc.sel;
if (CodeMirror.cmpPos(from, to) == 0) {
var word = wordAt(cm, from);
if (!word.word) return;
cm.setSelection(word.from, word.to);
fullWord = true;
} else {
var text = cm.getRange(from, to);
var query = fullWord ? new RegExp("\\b" + text + "\\b") : text;
var cur = cm.getSearchCursor(query, to);
if (cur.findNext()) {
cm.addSelection(cur.from(), cur.to());
} else {
cur = cm.getSearchCursor(query, Pos(cm.firstLine(), 0));
if (cur.findNext())
cm.addSelection(cur.from(), cur.to());
}
}
if (fullWord)
cm.state.sublimeFindFullWord = cm.doc.sel;
};
var mirror = "(){}[]";
function selectBetweenBrackets(cm) {
var pos = cm.getCursor(), opening = cm.scanForBracket(pos, -1);
if (!opening) return;
for (;;) {
var closing = cm.scanForBracket(pos, 1);
if (!closing) return;
if (closing.ch == mirror.charAt(mirror.indexOf(opening.ch) + 1)) {
cm.setSelection(Pos(opening.pos.line, opening.pos.ch + 1), closing.pos, false);
return true;
}
pos = Pos(closing.pos.line, closing.pos.ch + 1);
}
}
cmds[map["Shift-" + ctrl + "Space"] = "selectScope"] = function(cm) {
selectBetweenBrackets(cm) || cm.execCommand("selectAll");
};
cmds[map["Shift-" + ctrl + "M"] = "selectBetweenBrackets"] = function(cm) {
if (!selectBetweenBrackets(cm)) return CodeMirror.Pass;
};
cmds[map[ctrl + "M"] = "goToBracket"] = function(cm) {
cm.extendSelectionsBy(function(range) {
var next = cm.scanForBracket(range.head, 1);
if (next && CodeMirror.cmpPos(next.pos, range.head) != 0) return next.pos;
var prev = cm.scanForBracket(range.head, -1);
return prev && Pos(prev.pos.line, prev.pos.ch + 1) || range.head;
});
};
var swapLineCombo = mac ? "Cmd-Ctrl-" : "Shift-Ctrl-";
cmds[map[swapLineCombo + "Up"] = "swapLineUp"] = function(cm) {
if (cm.isReadOnly()) return CodeMirror.Pass
var ranges = cm.listSelections(), linesToMove = [], at = cm.firstLine() - 1, newSels = [];
for (var i = 0; i < ranges.length; i++) {
var range = ranges[i], from = range.from().line - 1, to = range.to().line;
newSels.push({anchor: Pos(range.anchor.line - 1, range.anchor.ch),
head: Pos(range.head.line - 1, range.head.ch)});
if (range.to().ch == 0 && !range.empty()) --to;
if (from > at) linesToMove.push(from, to);
else if (linesToMove.length) linesToMove[linesToMove.length - 1] = to;
at = to;
}
cm.operation(function() {
for (var i = 0; i < linesToMove.length; i += 2) {
var from = linesToMove[i], to = linesToMove[i + 1];
var line = cm.getLine(from);
cm.replaceRange("", Pos(from, 0), Pos(from + 1, 0), "+swapLine");
if (to > cm.lastLine())
cm.replaceRange("\n" + line, Pos(cm.lastLine()), null, "+swapLine");
else
cm.replaceRange(line + "\n", Pos(to, 0), null, "+swapLine");
}
cm.setSelections(newSels);
cm.scrollIntoView();
});
};
cmds[map[swapLineCombo + "Down"] = "swapLineDown"] = function(cm) {
if (cm.isReadOnly()) return CodeMirror.Pass
var ranges = cm.listSelections(), linesToMove = [], at = cm.lastLine() + 1;
for (var i = ranges.length - 1; i >= 0; i--) {
var range = ranges[i], from = range.to().line + 1, to = range.from().line;
if (range.to().ch == 0 && !range.empty()) from--;
if (from < at) linesToMove.push(from, to);
else if (linesToMove.length) linesToMove[linesToMove.length - 1] = to;
at = to;
}
cm.operation(function() {
for (var i = linesToMove.length - 2; i >= 0; i -= 2) {
var from = linesToMove[i], to = linesToMove[i + 1];
var line = cm.getLine(from);
if (from == cm.lastLine())
cm.replaceRange("", Pos(from - 1), Pos(from), "+swapLine");
else
cm.replaceRange("", Pos(from, 0), Pos(from + 1, 0), "+swapLine");
cm.replaceRange(line + "\n", Pos(to, 0), null, "+swapLine");
}
cm.scrollIntoView();
});
};
cmds[map[ctrl + "/"] = "toggleCommentIndented"] = function(cm) {
cm.toggleComment({ indent: true });
}
cmds[map[ctrl + "J"] = "joinLines"] = function(cm) {
var ranges = cm.listSelections(), joined = [];
for (var i = 0; i < ranges.length; i++) {
var range = ranges[i], from = range.from();
var start = from.line, end = range.to().line;
while (i < ranges.length - 1 && ranges[i + 1].from().line == end)
end = ranges[++i].to().line;
joined.push({start: start, end: end, anchor: !range.empty() && from});
}
cm.operation(function() {
var offset = 0, ranges = [];
for (var i = 0; i < joined.length; i++) {
var obj = joined[i];
var anchor = obj.anchor && Pos(obj.anchor.line - offset, obj.anchor.ch), head;
for (var line = obj.start; line <= obj.end; line++) {
var actual = line - offset;
if (line == obj.end) head = Pos(actual, cm.getLine(actual).length + 1);
if (actual < cm.lastLine()) {
cm.replaceRange(" ", Pos(actual), Pos(actual + 1, /^\s*/.exec(cm.getLine(actual + 1))[0].length));
++offset;
}
}
ranges.push({anchor: anchor || head, head: head});
}
cm.setSelections(ranges, 0);
});
};
cmds[map["Shift-" + ctrl + "D"] = "duplicateLine"] = function(cm) {
cm.operation(function() {
var rangeCount = cm.listSelections().length;
for (var i = 0; i < rangeCount; i++) {
var range = cm.listSelections()[i];
if (range.empty())
cm.replaceRange(cm.getLine(range.head.line) + "\n", Pos(range.head.line, 0));
else
cm.replaceRange(cm.getRange(range.from(), range.to()), range.from());
}
cm.scrollIntoView();
});
};
map[ctrl + "T"] = "transposeChars";
function sortLines(cm, caseSensitive) {
if (cm.isReadOnly()) return CodeMirror.Pass
var ranges = cm.listSelections(), toSort = [], selected;
for (var i = 0; i < ranges.length; i++) {
var range = ranges[i];
if (range.empty()) continue;
var from = range.from().line, to = range.to().line;
while (i < ranges.length - 1 && ranges[i + 1].from().line == to)
to = range[++i].to().line;
toSort.push(from, to);
}
if (toSort.length) selected = true;
else toSort.push(cm.firstLine(), cm.lastLine());
cm.operation(function() {
var ranges = [];
for (var i = 0; i < toSort.length; i += 2) {
var from = toSort[i], to = toSort[i + 1];
var start = Pos(from, 0), end = Pos(to);
var lines = cm.getRange(start, end, false);
if (caseSensitive)
lines.sort();
else
lines.sort(function(a, b) {
var au = a.toUpperCase(), bu = b.toUpperCase();
if (au != bu) { a = au; b = bu; }
return a < b ? -1 : a == b ? 0 : 1;
});
cm.replaceRange(lines, start, end);
if (selected) ranges.push({anchor: start, head: end});
}
if (selected) cm.setSelections(ranges, 0);
});
}
cmds[map["F9"] = "sortLines"] = function(cm) { sortLines(cm, true); };
cmds[map[ctrl + "F9"] = "sortLinesInsensitive"] = function(cm) { sortLines(cm, false); };
cmds[map["F2"] = "nextBookmark"] = function(cm) {
var marks = cm.state.sublimeBookmarks;
if (marks) while (marks.length) {
var current = marks.shift();
var found = current.find();
if (found) {
marks.push(current);
return cm.setSelection(found.from, found.to);
}
}
};
cmds[map["Shift-F2"] = "prevBookmark"] = function(cm) {
var marks = cm.state.sublimeBookmarks;
if (marks) while (marks.length) {
marks.unshift(marks.pop());
var found = marks[marks.length - 1].find();
if (!found)
marks.pop();
else
return cm.setSelection(found.from, found.to);
}
};
cmds[map[ctrl + "F2"] = "toggleBookmark"] = function(cm) {
var ranges = cm.listSelections();
var marks = cm.state.sublimeBookmarks || (cm.state.sublimeBookmarks = []);
for (var i = 0; i < ranges.length; i++) {
var from = ranges[i].from(), to = ranges[i].to();
var found = cm.findMarks(from, to);
for (var j = 0; j < found.length; j++) {
if (found[j].sublimeBookmark) {
found[j].clear();
for (var k = 0; k < marks.length; k++)
if (marks[k] == found[j])
marks.splice(k--, 1);
break;
}
}
if (j == found.length)
marks.push(cm.markText(from, to, {sublimeBookmark: true, clearWhenEmpty: false}));
}
};
cmds[map["Shift-" + ctrl + "F2"] = "clearBookmarks"] = function(cm) {
var marks = cm.state.sublimeBookmarks;
if (marks) for (var i = 0; i < marks.length; i++) marks[i].clear();
marks.length = 0;
};
cmds[map["Alt-F2"] = "selectBookmarks"] = function(cm) {
var marks = cm.state.sublimeBookmarks, ranges = [];
if (marks) for (var i = 0; i < marks.length; i++) {
var found = marks[i].find();
if (!found)
marks.splice(i--, 0);
else
ranges.push({anchor: found.from, head: found.to});
}
if (ranges.length)
cm.setSelections(ranges, 0);
};
map["Alt-Q"] = "wrapLines";
var cK = ctrl + "K ";
function modifyWordOrSelection(cm, mod) {
cm.operation(function() {
var ranges = cm.listSelections(), indices = [], replacements = [];
for (var i = 0; i < ranges.length; i++) {
var range = ranges[i];
if (range.empty()) { indices.push(i); replacements.push(""); }
else replacements.push(mod(cm.getRange(range.from(), range.to())));
}
cm.replaceSelections(replacements, "around", "case");
for (var i = indices.length - 1, at; i >= 0; i--) {
var range = ranges[indices[i]];
if (at && CodeMirror.cmpPos(range.head, at) > 0) continue;
var word = wordAt(cm, range.head);
at = word.from;
cm.replaceRange(mod(word.word), word.from, word.to);
}
});
}
map[cK + ctrl + "Backspace"] = "delLineLeft";
cmds[map["Backspace"] = "smartBackspace"] = function(cm) {
if (cm.somethingSelected()) return CodeMirror.Pass;
cm.operation(function() {
var cursors = cm.listSelections();
var indentUnit = cm.getOption("indentUnit");
for (var i = cursors.length - 1; i >= 0; i--) {
var cursor = cursors[i].head;
var toStartOfLine = cm.getRange({line: cursor.line, ch: 0}, cursor);
var column = CodeMirror.countColumn(toStartOfLine, null, cm.getOption("tabSize"));
// Delete by one character by default
var deletePos = cm.findPosH(cursor, -1, "char", false);
if (toStartOfLine && !/\S/.test(toStartOfLine) && column % indentUnit == 0) {
var prevIndent = new Pos(cursor.line,
CodeMirror.findColumn(toStartOfLine, column - indentUnit, indentUnit));
// Smart delete only if we found a valid prevIndent location
if (prevIndent.ch != cursor.ch) deletePos = prevIndent;
}
cm.replaceRange("", deletePos, cursor, "+delete");
}
});
};
cmds[map[cK + ctrl + "K"] = "delLineRight"] = function(cm) {
cm.operation(function() {
var ranges = cm.listSelections();
for (var i = ranges.length - 1; i >= 0; i--)
cm.replaceRange("", ranges[i].anchor, Pos(ranges[i].to().line), "+delete");
cm.scrollIntoView();
});
};
cmds[map[cK + ctrl + "U"] = "upcaseAtCursor"] = function(cm) {
modifyWordOrSelection(cm, function(str) { return str.toUpperCase(); });
};
cmds[map[cK + ctrl + "L"] = "downcaseAtCursor"] = function(cm) {
modifyWordOrSelection(cm, function(str) { return str.toLowerCase(); });
};
cmds[map[cK + ctrl + "Space"] = "setSublimeMark"] = function(cm) {
if (cm.state.sublimeMark) cm.state.sublimeMark.clear();
cm.state.sublimeMark = cm.setBookmark(cm.getCursor());
};
cmds[map[cK + ctrl + "A"] = "selectToSublimeMark"] = function(cm) {
var found = cm.state.sublimeMark && cm.state.sublimeMark.find();
if (found) cm.setSelection(cm.getCursor(), found);
};
cmds[map[cK + ctrl + "W"] = "deleteToSublimeMark"] = function(cm) {
var found = cm.state.sublimeMark && cm.state.sublimeMark.find();
if (found) {
var from = cm.getCursor(), to = found;
if (CodeMirror.cmpPos(from, to) > 0) { var tmp = to; to = from; from = tmp; }
cm.state.sublimeKilled = cm.getRange(from, to);
cm.replaceRange("", from, to);
}
};
cmds[map[cK + ctrl + "X"] = "swapWithSublimeMark"] = function(cm) {
var found = cm.state.sublimeMark && cm.state.sublimeMark.find();
if (found) {
cm.state.sublimeMark.clear();
cm.state.sublimeMark = cm.setBookmark(cm.getCursor());
cm.setCursor(found);
}
};
cmds[map[cK + ctrl + "Y"] = "sublimeYank"] = function(cm) {
if (cm.state.sublimeKilled != null)
cm.replaceSelection(cm.state.sublimeKilled, null, "paste");
};
map[cK + ctrl + "G"] = "clearBookmarks";
cmds[map[cK + ctrl + "C"] = "showInCenter"] = function(cm) {
var pos = cm.cursorCoords(null, "local");
cm.scrollTo(null, (pos.top + pos.bottom) / 2 - cm.getScrollInfo().clientHeight / 2);
};
var selectLinesCombo = mac ? "Ctrl-Shift-" : "Ctrl-Alt-";
cmds[map[selectLinesCombo + "Up"] = "selectLinesUpward"] = function(cm) {
cm.operation(function() {
var ranges = cm.listSelections();
for (var i = 0; i < ranges.length; i++) {
var range = ranges[i];
if (range.head.line > cm.firstLine())
cm.addSelection(Pos(range.head.line - 1, range.head.ch));
}
});
};
cmds[map[selectLinesCombo + "Down"] = "selectLinesDownward"] = function(cm) {
cm.operation(function() {
var ranges = cm.listSelections();
for (var i = 0; i < ranges.length; i++) {
var range = ranges[i];
if (range.head.line < cm.lastLine())
cm.addSelection(Pos(range.head.line + 1, range.head.ch));
}
});
};
function getTarget(cm) {
var from = cm.getCursor("from"), to = cm.getCursor("to");
if (CodeMirror.cmpPos(from, to) == 0) {
var word = wordAt(cm, from);
if (!word.word) return;
from = word.from;
to = word.to;
}
return {from: from, to: to, query: cm.getRange(from, to), word: word};
}
function findAndGoTo(cm, forward) {
var target = getTarget(cm);
if (!target) return;
var query = target.query;
var cur = cm.getSearchCursor(query, forward ? target.to : target.from);
if (forward ? cur.findNext() : cur.findPrevious()) {
cm.setSelection(cur.from(), cur.to());
} else {
cur = cm.getSearchCursor(query, forward ? Pos(cm.firstLine(), 0)
: cm.clipPos(Pos(cm.lastLine())));
if (forward ? cur.findNext() : cur.findPrevious())
cm.setSelection(cur.from(), cur.to());
else if (target.word)
cm.setSelection(target.from, target.to);
}
};
cmds[map[ctrl + "F3"] = "findUnder"] = function(cm) { findAndGoTo(cm, true); };
cmds[map["Shift-" + ctrl + "F3"] = "findUnderPrevious"] = function(cm) { findAndGoTo(cm,false); };
cmds[map["Alt-F3"] = "findAllUnder"] = function(cm) {
var target = getTarget(cm);
if (!target) return;
var cur = cm.getSearchCursor(target.query);
var matches = [];
var primaryIndex = -1;
while (cur.findNext()) {
matches.push({anchor: cur.from(), head: cur.to()});
if (cur.from().line <= target.from.line && cur.from().ch <= target.from.ch)
primaryIndex++;
}
cm.setSelections(matches, primaryIndex);
};
map["Shift-" + ctrl + "["] = "fold";
map["Shift-" + ctrl + "]"] = "unfold";
map[cK + ctrl + "0"] = map[cK + ctrl + "j"] = "unfoldAll";
map[ctrl + "I"] = "findIncremental";
map["Shift-" + ctrl + "I"] = "findIncrementalReverse";
map[ctrl + "H"] = "replace";
map["F3"] = "findNext";
map["Shift-F3"] = "findPrev";
CodeMirror.normalizeKeyMap(map);
});