overleaf/services/web/frontend/js/vendor/ace-1.4.12/ext-spellcheck.js

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ace.define("ace/ext/spellcheck",[], function(require, exports, module) {
"use strict";
var event = require("../lib/event");
exports.contextMenuHandler = function(e){
var host = e.target;
var text = host.textInput.getElement();
if (!host.selection.isEmpty())
return;
var c = host.getCursorPosition();
var r = host.session.getWordRange(c.row, c.column);
var w = host.session.getTextRange(r);
host.session.tokenRe.lastIndex = 0;
if (!host.session.tokenRe.test(w))
return;
var PLACEHOLDER = "\x01\x01";
var value = w + " " + PLACEHOLDER;
text.value = value;
text.setSelectionRange(w.length, w.length + 1);
text.setSelectionRange(0, 0);
text.setSelectionRange(0, w.length);
var afterKeydown = false;
event.addListener(text, "keydown", function onKeydown() {
event.removeListener(text, "keydown", onKeydown);
afterKeydown = true;
});
host.textInput.setInputHandler(function(newVal) {
if (newVal == value)
return '';
if (newVal.lastIndexOf(value, 0) === 0)
return newVal.slice(value.length);
if (newVal.substr(text.selectionEnd) == value)
return newVal.slice(0, -value.length);
if (newVal.slice(-2) == PLACEHOLDER) {
var val = newVal.slice(0, -2);
if (val.slice(-1) == " ") {
if (afterKeydown)
return val.substring(0, text.selectionEnd);
val = val.slice(0, -1);
host.session.replace(r, val);
return "";
}
}
return newVal;
});
};
var Editor = require("../editor").Editor;
require("../config").defineOptions(Editor.prototype, "editor", {
spellcheck: {
set: function(val) {
var text = this.textInput.getElement();
text.spellcheck = !!val;
if (!val)
this.removeListener("nativecontextmenu", exports.contextMenuHandler);
else
this.on("nativecontextmenu", exports.contextMenuHandler);
},
value: true
}
});
}); (function() {
ace.require(["ace/ext/spellcheck"], function(m) {
if (typeof module == "object" && typeof exports == "object" && module) {
module.exports = m;
}
});
})();