overleaf/services/web/frontend/js/vendor/ace-1.4.5/keybinding-emacs.js

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ace.define("ace/occur",[], function(require, exports, module) {
"use strict";
var oop = require("./lib/oop");
var Range = require("./range").Range;
var Search = require("./search").Search;
var EditSession = require("./edit_session").EditSession;
var SearchHighlight = require("./search_highlight").SearchHighlight;
function Occur() {}
oop.inherits(Occur, Search);
(function() {
this.enter = function(editor, options) {
if (!options.needle) return false;
var pos = editor.getCursorPosition();
this.displayOccurContent(editor, options);
var translatedPos = this.originalToOccurPosition(editor.session, pos);
editor.moveCursorToPosition(translatedPos);
return true;
};
this.exit = function(editor, options) {
var pos = options.translatePosition && editor.getCursorPosition();
var translatedPos = pos && this.occurToOriginalPosition(editor.session, pos);
this.displayOriginalContent(editor);
if (translatedPos)
editor.moveCursorToPosition(translatedPos);
return true;
};
this.highlight = function(sess, regexp) {
var hl = sess.$occurHighlight = sess.$occurHighlight || sess.addDynamicMarker(
new SearchHighlight(null, "ace_occur-highlight", "text"));
hl.setRegexp(regexp);
sess._emit("changeBackMarker"); // force highlight layer redraw
};
this.displayOccurContent = function(editor, options) {
this.$originalSession = editor.session;
var found = this.matchingLines(editor.session, options);
var lines = found.map(function(foundLine) { return foundLine.content; });
var occurSession = new EditSession(lines.join('\n'));
occurSession.$occur = this;
occurSession.$occurMatchingLines = found;
editor.setSession(occurSession);
this.$useEmacsStyleLineStart = this.$originalSession.$useEmacsStyleLineStart;
occurSession.$useEmacsStyleLineStart = this.$useEmacsStyleLineStart;
this.highlight(occurSession, options.re);
occurSession._emit('changeBackMarker');
};
this.displayOriginalContent = function(editor) {
editor.setSession(this.$originalSession);
this.$originalSession.$useEmacsStyleLineStart = this.$useEmacsStyleLineStart;
};
this.originalToOccurPosition = function(session, pos) {
var lines = session.$occurMatchingLines;
var nullPos = {row: 0, column: 0};
if (!lines) return nullPos;
for (var i = 0; i < lines.length; i++) {
if (lines[i].row === pos.row)
return {row: i, column: pos.column};
}
return nullPos;
};
this.occurToOriginalPosition = function(session, pos) {
var lines = session.$occurMatchingLines;
if (!lines || !lines[pos.row])
return pos;
return {row: lines[pos.row].row, column: pos.column};
};
this.matchingLines = function(session, options) {
options = oop.mixin({}, options);
if (!session || !options.needle) return [];
var search = new Search();
search.set(options);
return search.findAll(session).reduce(function(lines, range) {
var row = range.start.row;
var last = lines[lines.length-1];
return last && last.row === row ?
lines :
lines.concat({row: row, content: session.getLine(row)});
}, []);
};
}).call(Occur.prototype);
var dom = require('./lib/dom');
dom.importCssString(".ace_occur-highlight {\n\
border-radius: 4px;\n\
background-color: rgba(87, 255, 8, 0.25);\n\
position: absolute;\n\
z-index: 4;\n\
box-sizing: border-box;\n\
box-shadow: 0 0 4px rgb(91, 255, 50);\n\
}\n\
.ace_dark .ace_occur-highlight {\n\
background-color: rgb(80, 140, 85);\n\
box-shadow: 0 0 4px rgb(60, 120, 70);\n\
}\n", "incremental-occur-highlighting");
exports.Occur = Occur;
});
ace.define("ace/commands/occur_commands",[], function(require, exports, module) {
var config = require("../config"),
Occur = require("../occur").Occur;
var occurStartCommand = {
name: "occur",
exec: function(editor, options) {
var alreadyInOccur = !!editor.session.$occur;
var occurSessionActive = new Occur().enter(editor, options);
if (occurSessionActive && !alreadyInOccur)
OccurKeyboardHandler.installIn(editor);
},
readOnly: true
};
var occurCommands = [{
name: "occurexit",
bindKey: 'esc|Ctrl-G',
exec: function(editor) {
var occur = editor.session.$occur;
if (!occur) return;
occur.exit(editor, {});
if (!editor.session.$occur) OccurKeyboardHandler.uninstallFrom(editor);
},
readOnly: true
}, {
name: "occuraccept",
bindKey: 'enter',
exec: function(editor) {
var occur = editor.session.$occur;
if (!occur) return;
occur.exit(editor, {translatePosition: true});
if (!editor.session.$occur) OccurKeyboardHandler.uninstallFrom(editor);
},
readOnly: true
}];
var HashHandler = require("../keyboard/hash_handler").HashHandler;
var oop = require("../lib/oop");
function OccurKeyboardHandler() {}
oop.inherits(OccurKeyboardHandler, HashHandler);
(function() {
this.isOccurHandler = true;
this.attach = function(editor) {
HashHandler.call(this, occurCommands, editor.commands.platform);
this.$editor = editor;
};
var handleKeyboard$super = this.handleKeyboard;
this.handleKeyboard = function(data, hashId, key, keyCode) {
var cmd = handleKeyboard$super.call(this, data, hashId, key, keyCode);
return (cmd && cmd.command) ? cmd : undefined;
};
}).call(OccurKeyboardHandler.prototype);
OccurKeyboardHandler.installIn = function(editor) {
var handler = new this();
editor.keyBinding.addKeyboardHandler(handler);
editor.commands.addCommands(occurCommands);
};
OccurKeyboardHandler.uninstallFrom = function(editor) {
editor.commands.removeCommands(occurCommands);
var handler = editor.getKeyboardHandler();
if (handler.isOccurHandler)
editor.keyBinding.removeKeyboardHandler(handler);
};
exports.occurStartCommand = occurStartCommand;
});
ace.define("ace/commands/incremental_search_commands",[], function(require, exports, module) {
var config = require("../config");
var oop = require("../lib/oop");
var HashHandler = require("../keyboard/hash_handler").HashHandler;
var occurStartCommand = require("./occur_commands").occurStartCommand;
exports.iSearchStartCommands = [{
name: "iSearch",
bindKey: {win: "Ctrl-F", mac: "Command-F"},
exec: function(editor, options) {
config.loadModule(["core", "ace/incremental_search"], function(e) {
var iSearch = e.iSearch = e.iSearch || new e.IncrementalSearch();
iSearch.activate(editor, options.backwards);
if (options.jumpToFirstMatch) iSearch.next(options);
});
},
readOnly: true
}, {
name: "iSearchBackwards",
exec: function(editor, jumpToNext) { editor.execCommand('iSearch', {backwards: true}); },
readOnly: true
}, {
name: "iSearchAndGo",
bindKey: {win: "Ctrl-K", mac: "Command-G"},
exec: function(editor, jumpToNext) { editor.execCommand('iSearch', {jumpToFirstMatch: true, useCurrentOrPrevSearch: true}); },
readOnly: true
}, {
name: "iSearchBackwardsAndGo",
bindKey: {win: "Ctrl-Shift-K", mac: "Command-Shift-G"},
exec: function(editor) { editor.execCommand('iSearch', {jumpToFirstMatch: true, backwards: true, useCurrentOrPrevSearch: true}); },
readOnly: true
}];
exports.iSearchCommands = [{
name: "restartSearch",
bindKey: {win: "Ctrl-F", mac: "Command-F"},
exec: function(iSearch) {
iSearch.cancelSearch(true);
}
}, {
name: "searchForward",
bindKey: {win: "Ctrl-S|Ctrl-K", mac: "Ctrl-S|Command-G"},
exec: function(iSearch, options) {
options.useCurrentOrPrevSearch = true;
iSearch.next(options);
}
}, {
name: "searchBackward",
bindKey: {win: "Ctrl-R|Ctrl-Shift-K", mac: "Ctrl-R|Command-Shift-G"},
exec: function(iSearch, options) {
options.useCurrentOrPrevSearch = true;
options.backwards = true;
iSearch.next(options);
}
}, {
name: "extendSearchTerm",
exec: function(iSearch, string) {
iSearch.addString(string);
}
}, {
name: "extendSearchTermSpace",
bindKey: "space",
exec: function(iSearch) { iSearch.addString(' '); }
}, {
name: "shrinkSearchTerm",
bindKey: "backspace",
exec: function(iSearch) {
iSearch.removeChar();
}
}, {
name: 'confirmSearch',
bindKey: 'return',
exec: function(iSearch) { iSearch.deactivate(); }
}, {
name: 'cancelSearch',
bindKey: 'esc|Ctrl-G',
exec: function(iSearch) { iSearch.deactivate(true); }
}, {
name: 'occurisearch',
bindKey: 'Ctrl-O',
exec: function(iSearch) {
var options = oop.mixin({}, iSearch.$options);
iSearch.deactivate();
occurStartCommand.exec(iSearch.$editor, options);
}
}, {
name: "yankNextWord",
bindKey: "Ctrl-w",
exec: function(iSearch) {
var ed = iSearch.$editor,
range = ed.selection.getRangeOfMovements(function(sel) { sel.moveCursorWordRight(); }),
string = ed.session.getTextRange(range);
iSearch.addString(string);
}
}, {
name: "yankNextChar",
bindKey: "Ctrl-Alt-y",
exec: function(iSearch) {
var ed = iSearch.$editor,
range = ed.selection.getRangeOfMovements(function(sel) { sel.moveCursorRight(); }),
string = ed.session.getTextRange(range);
iSearch.addString(string);
}
}, {
name: 'recenterTopBottom',
bindKey: 'Ctrl-l',
exec: function(iSearch) { iSearch.$editor.execCommand('recenterTopBottom'); }
}, {
name: 'selectAllMatches',
bindKey: 'Ctrl-space',
exec: function(iSearch) {
var ed = iSearch.$editor,
hl = ed.session.$isearchHighlight,
ranges = hl && hl.cache ? hl.cache
.reduce(function(ranges, ea) {
return ranges.concat(ea ? ea : []); }, []) : [];
iSearch.deactivate(false);
ranges.forEach(ed.selection.addRange.bind(ed.selection));
}
}, {
name: 'searchAsRegExp',
bindKey: 'Alt-r',
exec: function(iSearch) {
iSearch.convertNeedleToRegExp();
}
}].map(function(cmd) {
cmd.readOnly = true;
cmd.isIncrementalSearchCommand = true;
cmd.scrollIntoView = "animate-cursor";
return cmd;
});
function IncrementalSearchKeyboardHandler(iSearch) {
this.$iSearch = iSearch;
}
oop.inherits(IncrementalSearchKeyboardHandler, HashHandler);
(function() {
this.attach = function(editor) {
var iSearch = this.$iSearch;
HashHandler.call(this, exports.iSearchCommands, editor.commands.platform);
this.$commandExecHandler = editor.commands.addEventListener('exec', function(e) {
if (!e.command.isIncrementalSearchCommand)
return iSearch.deactivate();
e.stopPropagation();
e.preventDefault();
var scrollTop = editor.session.getScrollTop();
var result = e.command.exec(iSearch, e.args || {});
editor.renderer.scrollCursorIntoView(null, 0.5);
editor.renderer.animateScrolling(scrollTop);
return result;
});
};
this.detach = function(editor) {
if (!this.$commandExecHandler) return;
editor.commands.removeEventListener('exec', this.$commandExecHandler);
delete this.$commandExecHandler;
};
var handleKeyboard$super = this.handleKeyboard;
this.handleKeyboard = function(data, hashId, key, keyCode) {
if (((hashId === 1/*ctrl*/ || hashId === 8/*command*/) && key === 'v')
|| (hashId === 1/*ctrl*/ && key === 'y')) return null;
var cmd = handleKeyboard$super.call(this, data, hashId, key, keyCode);
if (cmd.command) { return cmd; }
if (hashId == -1) {
var extendCmd = this.commands.extendSearchTerm;
if (extendCmd) { return {command: extendCmd, args: key}; }
}
return false;
};
}).call(IncrementalSearchKeyboardHandler.prototype);
exports.IncrementalSearchKeyboardHandler = IncrementalSearchKeyboardHandler;
});
ace.define("ace/incremental_search",[], function(require, exports, module) {
"use strict";
var oop = require("./lib/oop");
var Range = require("./range").Range;
var Search = require("./search").Search;
var SearchHighlight = require("./search_highlight").SearchHighlight;
var iSearchCommandModule = require("./commands/incremental_search_commands");
var ISearchKbd = iSearchCommandModule.IncrementalSearchKeyboardHandler;
function IncrementalSearch() {
this.$options = {wrap: false, skipCurrent: false};
this.$keyboardHandler = new ISearchKbd(this);
}
oop.inherits(IncrementalSearch, Search);
function isRegExp(obj) {
return obj instanceof RegExp;
}
function regExpToObject(re) {
var string = String(re),
start = string.indexOf('/'),
flagStart = string.lastIndexOf('/');
return {
expression: string.slice(start+1, flagStart),
flags: string.slice(flagStart+1)
};
}
function stringToRegExp(string, flags) {
try {
return new RegExp(string, flags);
} catch (e) { return string; }
}
function objectToRegExp(obj) {
return stringToRegExp(obj.expression, obj.flags);
}
(function() {
this.activate = function(ed, backwards) {
this.$editor = ed;
this.$startPos = this.$currentPos = ed.getCursorPosition();
this.$options.needle = '';
this.$options.backwards = backwards;
ed.keyBinding.addKeyboardHandler(this.$keyboardHandler);
this.$originalEditorOnPaste = ed.onPaste; ed.onPaste = this.onPaste.bind(this);
this.$mousedownHandler = ed.addEventListener('mousedown', this.onMouseDown.bind(this));
this.selectionFix(ed);
this.statusMessage(true);
};
this.deactivate = function(reset) {
this.cancelSearch(reset);
var ed = this.$editor;
ed.keyBinding.removeKeyboardHandler(this.$keyboardHandler);
if (this.$mousedownHandler) {
ed.removeEventListener('mousedown', this.$mousedownHandler);
delete this.$mousedownHandler;
}
ed.onPaste = this.$originalEditorOnPaste;
this.message('');
};
this.selectionFix = function(editor) {
if (editor.selection.isEmpty() && !editor.session.$emacsMark) {
editor.clearSelection();
}
};
this.highlight = function(regexp) {
var sess = this.$editor.session,
hl = sess.$isearchHighlight = sess.$isearchHighlight || sess.addDynamicMarker(
new SearchHighlight(null, "ace_isearch-result", "text"));
hl.setRegexp(regexp);
sess._emit("changeBackMarker"); // force highlight layer redraw
};
this.cancelSearch = function(reset) {
var e = this.$editor;
this.$prevNeedle = this.$options.needle;
this.$options.needle = '';
if (reset) {
e.moveCursorToPosition(this.$startPos);
this.$currentPos = this.$startPos;
} else {
e.pushEmacsMark && e.pushEmacsMark(this.$startPos, false);
}
this.highlight(null);
return Range.fromPoints(this.$currentPos, this.$currentPos);
};
this.highlightAndFindWithNeedle = function(moveToNext, needleUpdateFunc) {
if (!this.$editor) return null;
var options = this.$options;
if (needleUpdateFunc) {
options.needle = needleUpdateFunc.call(this, options.needle || '') || '';
}
if (options.needle.length === 0) {
this.statusMessage(true);
return this.cancelSearch(true);
}
options.start = this.$currentPos;
var session = this.$editor.session,
found = this.find(session),
shouldSelect = this.$editor.emacsMark ?
!!this.$editor.emacsMark() : !this.$editor.selection.isEmpty();
if (found) {
if (options.backwards) found = Range.fromPoints(found.end, found.start);
this.$editor.selection.setRange(Range.fromPoints(shouldSelect ? this.$startPos : found.end, found.end));
if (moveToNext) this.$currentPos = found.end;
this.highlight(options.re);
}
this.statusMessage(found);
return found;
};
this.addString = function(s) {
return this.highlightAndFindWithNeedle(false, function(needle) {
if (!isRegExp(needle))
return needle + s;
var reObj = regExpToObject(needle);
reObj.expression += s;
return objectToRegExp(reObj);
});
};
this.removeChar = function(c) {
return this.highlightAndFindWithNeedle(false, function(needle) {
if (!isRegExp(needle))
return needle.substring(0, needle.length-1);
var reObj = regExpToObject(needle);
reObj.expression = reObj.expression.substring(0, reObj.expression.length-1);
return objectToRegExp(reObj);
});
};
this.next = function(options) {
options = options || {};
this.$options.backwards = !!options.backwards;
this.$currentPos = this.$editor.getCursorPosition();
return this.highlightAndFindWithNeedle(true, function(needle) {
return options.useCurrentOrPrevSearch && needle.length === 0 ?
this.$prevNeedle || '' : needle;
});
};
this.onMouseDown = function(evt) {
this.deactivate();
return true;
};
this.onPaste = function(text) {
this.addString(text);
};
this.convertNeedleToRegExp = function() {
return this.highlightAndFindWithNeedle(false, function(needle) {
return isRegExp(needle) ? needle : stringToRegExp(needle, 'ig');
});
};
this.convertNeedleToString = function() {
return this.highlightAndFindWithNeedle(false, function(needle) {
return isRegExp(needle) ? regExpToObject(needle).expression : needle;
});
};
this.statusMessage = function(found) {
var options = this.$options, msg = '';
msg += options.backwards ? 'reverse-' : '';
msg += 'isearch: ' + options.needle;
msg += found ? '' : ' (not found)';
this.message(msg);
};
this.message = function(msg) {
if (this.$editor.showCommandLine) {
this.$editor.showCommandLine(msg);
this.$editor.focus();
} else {
console.log(msg);
}
};
}).call(IncrementalSearch.prototype);
exports.IncrementalSearch = IncrementalSearch;
var dom = require('./lib/dom');
dom.importCssString && dom.importCssString("\
.ace_marker-layer .ace_isearch-result {\
position: absolute;\
z-index: 6;\
box-sizing: border-box;\
}\
div.ace_isearch-result {\
border-radius: 4px;\
background-color: rgba(255, 200, 0, 0.5);\
box-shadow: 0 0 4px rgb(255, 200, 0);\
}\
.ace_dark div.ace_isearch-result {\
background-color: rgb(100, 110, 160);\
box-shadow: 0 0 4px rgb(80, 90, 140);\
}", "incremental-search-highlighting");
var commands = require("./commands/command_manager");
(function() {
this.setupIncrementalSearch = function(editor, val) {
if (this.usesIncrementalSearch == val) return;
this.usesIncrementalSearch = val;
var iSearchCommands = iSearchCommandModule.iSearchStartCommands;
var method = val ? 'addCommands' : 'removeCommands';
this[method](iSearchCommands);
};
}).call(commands.CommandManager.prototype);
var Editor = require("./editor").Editor;
require("./config").defineOptions(Editor.prototype, "editor", {
useIncrementalSearch: {
set: function(val) {
this.keyBinding.$handlers.forEach(function(handler) {
if (handler.setupIncrementalSearch) {
handler.setupIncrementalSearch(this, val);
}
});
this._emit('incrementalSearchSettingChanged', {isEnabled: val});
}
}
});
});
ace.define("ace/keyboard/emacs",[], function(require, exports, module) {
"use strict";
var dom = require("../lib/dom");
require("../incremental_search");
var iSearchCommandModule = require("../commands/incremental_search_commands");
var HashHandler = require("./hash_handler").HashHandler;
exports.handler = new HashHandler();
exports.handler.isEmacs = true;
exports.handler.$id = "ace/keyboard/emacs";
var initialized = false;
var $formerLongWords;
var $formerLineStart;
exports.handler.attach = function(editor) {
if (!initialized) {
initialized = true;
dom.importCssString('\
.emacs-mode .ace_cursor{\
border: 1px rgba(50,250,50,0.8) solid!important;\
box-sizing: border-box!important;\
background-color: rgba(0,250,0,0.9);\
opacity: 0.5;\
}\
.emacs-mode .ace_hidden-cursors .ace_cursor{\
opacity: 1;\
background-color: transparent;\
}\
.emacs-mode .ace_overwrite-cursors .ace_cursor {\
opacity: 1;\
background-color: transparent;\
border-width: 0 0 2px 2px !important;\
}\
.emacs-mode .ace_text-layer {\
z-index: 4\
}\
.emacs-mode .ace_cursor-layer {\
z-index: 2\
}', 'emacsMode'
);
}
$formerLongWords = editor.session.$selectLongWords;
editor.session.$selectLongWords = true;
$formerLineStart = editor.session.$useEmacsStyleLineStart;
editor.session.$useEmacsStyleLineStart = true;
editor.session.$emacsMark = null; // the active mark
editor.session.$emacsMarkRing = editor.session.$emacsMarkRing || [];
editor.emacsMark = function() {
return this.session.$emacsMark;
};
editor.setEmacsMark = function(p) {
this.session.$emacsMark = p;
};
editor.pushEmacsMark = function(p, activate) {
var prevMark = this.session.$emacsMark;
if (prevMark)
this.session.$emacsMarkRing.push(prevMark);
if (!p || activate) this.setEmacsMark(p);
else this.session.$emacsMarkRing.push(p);
};
editor.popEmacsMark = function() {
var mark = this.emacsMark();
if (mark) { this.setEmacsMark(null); return mark; }
return this.session.$emacsMarkRing.pop();
};
editor.getLastEmacsMark = function(p) {
return this.session.$emacsMark || this.session.$emacsMarkRing.slice(-1)[0];
};
editor.emacsMarkForSelection = function(replacement) {
var sel = this.selection,
multiRangeLength = this.multiSelect ?
this.multiSelect.getAllRanges().length : 1,
selIndex = sel.index || 0,
markRing = this.session.$emacsMarkRing,
markIndex = markRing.length - (multiRangeLength - selIndex),
lastMark = markRing[markIndex] || sel.anchor;
if (replacement) {
markRing.splice(markIndex, 1,
"row" in replacement && "column" in replacement ?
replacement : undefined);
}
return lastMark;
};
editor.on("click", $resetMarkMode);
editor.on("changeSession", $kbSessionChange);
editor.renderer.$blockCursor = true;
editor.setStyle("emacs-mode");
editor.commands.addCommands(commands);
exports.handler.platform = editor.commands.platform;
editor.$emacsModeHandler = this;
editor.addEventListener('copy', this.onCopy);
editor.addEventListener('paste', this.onPaste);
};
exports.handler.detach = function(editor) {
editor.renderer.$blockCursor = false;
editor.session.$selectLongWords = $formerLongWords;
editor.session.$useEmacsStyleLineStart = $formerLineStart;
editor.removeEventListener("click", $resetMarkMode);
editor.removeEventListener("changeSession", $kbSessionChange);
editor.unsetStyle("emacs-mode");
editor.commands.removeCommands(commands);
editor.removeEventListener('copy', this.onCopy);
editor.removeEventListener('paste', this.onPaste);
editor.$emacsModeHandler = null;
};
var $kbSessionChange = function(e) {
if (e.oldSession) {
e.oldSession.$selectLongWords = $formerLongWords;
e.oldSession.$useEmacsStyleLineStart = $formerLineStart;
}
$formerLongWords = e.session.$selectLongWords;
e.session.$selectLongWords = true;
$formerLineStart = e.session.$useEmacsStyleLineStart;
e.session.$useEmacsStyleLineStart = true;
if (!e.session.hasOwnProperty('$emacsMark'))
e.session.$emacsMark = null;
if (!e.session.hasOwnProperty('$emacsMarkRing'))
e.session.$emacsMarkRing = [];
};
var $resetMarkMode = function(e) {
e.editor.session.$emacsMark = null;
};
var keys = require("../lib/keys").KEY_MODS;
var eMods = {C: "ctrl", S: "shift", M: "alt", CMD: "command"};
var combinations = ["C-S-M-CMD",
"S-M-CMD", "C-M-CMD", "C-S-CMD", "C-S-M",
"M-CMD", "S-CMD", "S-M", "C-CMD", "C-M", "C-S",
"CMD", "M", "S", "C"];
combinations.forEach(function(c) {
var hashId = 0;
c.split("-").forEach(function(c) {
hashId = hashId | keys[eMods[c]];
});
eMods[hashId] = c.toLowerCase() + "-";
});
exports.handler.onCopy = function(e, editor) {
if (editor.$handlesEmacsOnCopy) return;
editor.$handlesEmacsOnCopy = true;
exports.handler.commands.killRingSave.exec(editor);
editor.$handlesEmacsOnCopy = false;
};
exports.handler.onPaste = function(e, editor) {
editor.pushEmacsMark(editor.getCursorPosition());
};
exports.handler.bindKey = function(key, command) {
if (typeof key == "object")
key = key[this.platform];
if (!key)
return;
var ckb = this.commandKeyBinding;
key.split("|").forEach(function(keyPart) {
keyPart = keyPart.toLowerCase();
ckb[keyPart] = command;
var keyParts = keyPart.split(" ").slice(0,-1);
keyParts.reduce(function(keyMapKeys, keyPart, i) {
var prefix = keyMapKeys[i-1] ? keyMapKeys[i-1] + ' ' : '';
return keyMapKeys.concat([prefix + keyPart]);
}, []).forEach(function(keyPart) {
if (!ckb[keyPart]) ckb[keyPart] = "null";
});
}, this);
};
exports.handler.getStatusText = function(editor, data) {
var str = "";
if (data.count)
str += data.count;
if (data.keyChain)
str += " " + data.keyChain;
return str;
};
exports.handler.handleKeyboard = function(data, hashId, key, keyCode) {
if (keyCode === -1) return undefined;
var editor = data.editor;
editor._signal("changeStatus");
if (hashId == -1) {
editor.pushEmacsMark();
if (data.count) {
var str = new Array(data.count + 1).join(key);
data.count = null;
return {command: "insertstring", args: str};
}
}
var modifier = eMods[hashId];
if (modifier == "c-" || data.count) {
var count = parseInt(key[key.length - 1]);
if (typeof count === 'number' && !isNaN(count)) {
data.count = Math.max(data.count, 0) || 0;
data.count = 10 * data.count + count;
return {command: "null"};
}
}
if (modifier) key = modifier + key;
if (data.keyChain) key = data.keyChain += " " + key;
var command = this.commandKeyBinding[key];
data.keyChain = command == "null" ? key : "";
if (!command) return undefined;
if (command === "null") return {command: "null"};
if (command === "universalArgument") {
data.count = -4;
return {command: "null"};
}
var args;
if (typeof command !== "string") {
args = command.args;
if (command.command) command = command.command;
if (command === "goorselect") {
command = editor.emacsMark() ? args[1] : args[0];
args = null;
}
}
if (typeof command === "string") {
if (command === "insertstring" ||
command === "splitline" ||
command === "togglecomment") {
editor.pushEmacsMark();
}
command = this.commands[command] || editor.commands.commands[command];
if (!command) return undefined;
}
if (!command.readOnly && !command.isYank)
data.lastCommand = null;
if (!command.readOnly && editor.emacsMark())
editor.setEmacsMark(null);
if (data.count) {
var count = data.count;
data.count = 0;
if (!command || !command.handlesCount) {
return {
args: args,
command: {
exec: function(editor, args) {
for (var i = 0; i < count; i++)
command.exec(editor, args);
},
multiSelectAction: command.multiSelectAction
}
};
} else {
if (!args) args = {};
if (typeof args === 'object') args.count = count;
}
}
return {command: command, args: args};
};
exports.emacsKeys = {
"Up|C-p" : {command: "goorselect", args: ["golineup","selectup"]},
"Down|C-n" : {command: "goorselect", args: ["golinedown","selectdown"]},
"Left|C-b" : {command: "goorselect", args: ["gotoleft","selectleft"]},
"Right|C-f" : {command: "goorselect", args: ["gotoright","selectright"]},
"C-Left|M-b" : {command: "goorselect", args: ["gotowordleft","selectwordleft"]},
"C-Right|M-f" : {command: "goorselect", args: ["gotowordright","selectwordright"]},
"Home|C-a" : {command: "goorselect", args: ["gotolinestart","selecttolinestart"]},
"End|C-e" : {command: "goorselect", args: ["gotolineend","selecttolineend"]},
"C-Home|S-M-,": {command: "goorselect", args: ["gotostart","selecttostart"]},
"C-End|S-M-." : {command: "goorselect", args: ["gotoend","selecttoend"]},
"S-Up|S-C-p" : "selectup",
"S-Down|S-C-n" : "selectdown",
"S-Left|S-C-b" : "selectleft",
"S-Right|S-C-f" : "selectright",
"S-C-Left|S-M-b" : "selectwordleft",
"S-C-Right|S-M-f" : "selectwordright",
"S-Home|S-C-a" : "selecttolinestart",
"S-End|S-C-e" : "selecttolineend",
"S-C-Home" : "selecttostart",
"S-C-End" : "selecttoend",
"C-l" : "recenterTopBottom",
"M-s" : "centerselection",
"M-g": "gotoline",
"C-x C-p": "selectall",
"C-Down": {command: "goorselect", args: ["gotopagedown","selectpagedown"]},
"C-Up": {command: "goorselect", args: ["gotopageup","selectpageup"]},
"PageDown|C-v": {command: "goorselect", args: ["gotopagedown","selectpagedown"]},
"PageUp|M-v": {command: "goorselect", args: ["gotopageup","selectpageup"]},
"S-C-Down": "selectpagedown",
"S-C-Up": "selectpageup",
"C-s": "iSearch",
"C-r": "iSearchBackwards",
"M-C-s": "findnext",
"M-C-r": "findprevious",
"S-M-5": "replace",
"Backspace": "backspace",
"Delete|C-d": "del",
"Return|C-m": {command: "insertstring", args: "\n"}, // "newline"
"C-o": "splitline",
"M-d|C-Delete": {command: "killWord", args: "right"},
"C-Backspace|M-Backspace|M-Delete": {command: "killWord", args: "left"},
"C-k": "killLine",
"C-y|S-Delete": "yank",
"M-y": "yankRotate",
"C-g": "keyboardQuit",
"C-w|C-S-W": "killRegion",
"M-w": "killRingSave",
"C-Space": "setMark",
"C-x C-x": "exchangePointAndMark",
"C-t": "transposeletters",
"M-u": "touppercase", // Doesn't work
"M-l": "tolowercase",
"M-/": "autocomplete", // Doesn't work
"C-u": "universalArgument",
"M-;": "togglecomment",
"C-/|C-x u|S-C--|C-z": "undo",
"S-C-/|S-C-x u|C--|S-C-z": "redo", // infinite undo?
"C-x r": "selectRectangularRegion",
"M-x": {command: "focusCommandLine", args: "M-x "}
};
exports.handler.bindKeys(exports.emacsKeys);
exports.handler.addCommands({
recenterTopBottom: function(editor) {
var renderer = editor.renderer;
var pos = renderer.$cursorLayer.getPixelPosition();
var h = renderer.$size.scrollerHeight - renderer.lineHeight;
var scrollTop = renderer.scrollTop;
if (Math.abs(pos.top - scrollTop) < 2) {
scrollTop = pos.top - h;
} else if (Math.abs(pos.top - scrollTop - h * 0.5) < 2) {
scrollTop = pos.top;
} else {
scrollTop = pos.top - h * 0.5;
}
editor.session.setScrollTop(scrollTop);
},
selectRectangularRegion: function(editor) {
editor.multiSelect.toggleBlockSelection();
},
setMark: {
exec: function(editor, args) {
if (args && args.count) {
if (editor.inMultiSelectMode) editor.forEachSelection(moveToMark);
else moveToMark();
moveToMark();
return;
}
var mark = editor.emacsMark(),
ranges = editor.selection.getAllRanges(),
rangePositions = ranges.map(function(r) { return {row: r.start.row, column: r.start.column}; }),
transientMarkModeActive = true,
hasNoSelection = ranges.every(function(range) { return range.isEmpty(); });
if (transientMarkModeActive && (mark || !hasNoSelection)) {
if (editor.inMultiSelectMode) editor.forEachSelection({exec: editor.clearSelection.bind(editor)});
else editor.clearSelection();
if (mark) editor.pushEmacsMark(null);
return;
}
if (!mark) {
rangePositions.forEach(function(pos) { editor.pushEmacsMark(pos); });
editor.setEmacsMark(rangePositions[rangePositions.length-1]);
return;
}
function moveToMark() {
var mark = editor.popEmacsMark();
mark && editor.moveCursorToPosition(mark);
}
},
readOnly: true,
handlesCount: true
},
exchangePointAndMark: {
exec: function exchangePointAndMark$exec(editor, args) {
var sel = editor.selection;
if (!args.count && !sel.isEmpty()) { // just invert selection
sel.setSelectionRange(sel.getRange(), !sel.isBackwards());
return;
}
if (args.count) { // replace mark and point
var pos = {row: sel.lead.row, column: sel.lead.column};
sel.clearSelection();
sel.moveCursorToPosition(editor.emacsMarkForSelection(pos));
} else { // create selection to last mark
sel.selectToPosition(editor.emacsMarkForSelection());
}
},
readOnly: true,
handlesCount: true,
multiSelectAction: "forEach"
},
killWord: {
exec: function(editor, dir) {
editor.clearSelection();
if (dir == "left")
editor.selection.selectWordLeft();
else
editor.selection.selectWordRight();
var range = editor.getSelectionRange();
var text = editor.session.getTextRange(range);
exports.killRing.add(text);
editor.session.remove(range);
editor.clearSelection();
},
multiSelectAction: "forEach"
},
killLine: function(editor) {
editor.pushEmacsMark(null);
editor.clearSelection();
var range = editor.getSelectionRange();
var line = editor.session.getLine(range.start.row);
range.end.column = line.length;
line = line.substr(range.start.column);
var foldLine = editor.session.getFoldLine(range.start.row);
if (foldLine && range.end.row != foldLine.end.row) {
range.end.row = foldLine.end.row;
line = "x";
}
if (/^\s*$/.test(line)) {
range.end.row++;
line = editor.session.getLine(range.end.row);
range.end.column = /^\s*$/.test(line) ? line.length : 0;
}
var text = editor.session.getTextRange(range);
if (editor.prevOp.command == this)
exports.killRing.append(text);
else
exports.killRing.add(text);
editor.session.remove(range);
editor.clearSelection();
},
yank: function(editor) {
editor.onPaste(exports.killRing.get() || '');
editor.keyBinding.$data.lastCommand = "yank";
},
yankRotate: function(editor) {
if (editor.keyBinding.$data.lastCommand != "yank")
return;
editor.undo();
editor.session.$emacsMarkRing.pop(); // also undo recording mark
editor.onPaste(exports.killRing.rotate());
editor.keyBinding.$data.lastCommand = "yank";
},
killRegion: {
exec: function(editor) {
exports.killRing.add(editor.getCopyText());
editor.commands.byName.cut.exec(editor);
editor.setEmacsMark(null);
},
readOnly: true,
multiSelectAction: "forEach"
},
killRingSave: {
exec: function(editor) {
editor.$handlesEmacsOnCopy = true;
var marks = editor.session.$emacsMarkRing.slice(),
deselectedMarks = [];
exports.killRing.add(editor.getCopyText());
setTimeout(function() {
function deselect() {
var sel = editor.selection, range = sel.getRange(),
pos = sel.isBackwards() ? range.end : range.start;
deselectedMarks.push({row: pos.row, column: pos.column});
sel.clearSelection();
}
editor.$handlesEmacsOnCopy = false;
if (editor.inMultiSelectMode) editor.forEachSelection({exec: deselect});
else deselect();
editor.setEmacsMark(null);
editor.session.$emacsMarkRing = marks.concat(deselectedMarks.reverse());
}, 0);
},
readOnly: true
},
keyboardQuit: function(editor) {
editor.selection.clearSelection();
editor.setEmacsMark(null);
editor.keyBinding.$data.count = null;
},
focusCommandLine: function(editor, arg) {
if (editor.showCommandLine)
editor.showCommandLine(arg);
}
});
exports.handler.addCommands(iSearchCommandModule.iSearchStartCommands);
var commands = exports.handler.commands;
commands.yank.isYank = true;
commands.yankRotate.isYank = true;
exports.killRing = {
$data: [],
add: function(str) {
str && this.$data.push(str);
if (this.$data.length > 30)
this.$data.shift();
},
append: function(str) {
var idx = this.$data.length - 1;
var text = this.$data[idx] || "";
if (str) text += str;
if (text) this.$data[idx] = text;
},
get: function(n) {
n = n || 1;
return this.$data.slice(this.$data.length-n, this.$data.length).reverse().join('\n');
},
pop: function() {
if (this.$data.length > 1)
this.$data.pop();
return this.get();
},
rotate: function() {
this.$data.unshift(this.$data.pop());
return this.get();
}
};
});
(function() {
ace.require(["ace/keyboard/emacs"], function(m) {
if (typeof module == "object" && typeof exports == "object" && module) {
module.exports = m;
}
});
})();