/lenasys/trunk

define('ace/ext/spellcheck', ['require', 'exports', 'module' , 'ace/lib/event', 'ace/editor', 'ace/config'], function(require, exports, module) {

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 + 1, w.length + 1);

    text.setSelectionRange(0, 0);

    var afterKeydown = false;

    event.addListener(text, "keydown", function onKeydown() {

        event.removeListener(text, "keydown", onKeydown);

        afterKeydown = true;

    });

    host.textInput.setInputHandler(function(newVal) {

        console.log(newVal , value, text.selectionStart, text.selectionEnd)

        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

    }

});

});