ace.define("ace/ext/rtl", ["require", "exports", "module", "ace/editor", "ace/config"], function (require, exports, module) {
    "use strict";
    var commands = [{
            name: "leftToRight",
            bindKey: { win: "Ctrl-Alt-Shift-L", mac: "Command-Alt-Shift-L" },
            exec: function (editor) {
                editor.session.$bidiHandler.setRtlDirection(editor, false);
            },
            readOnly: true
        }, {
            name: "rightToLeft",
            bindKey: { win: "Ctrl-Alt-Shift-R", mac: "Command-Alt-Shift-R" },
            exec: function (editor) {
                editor.session.$bidiHandler.setRtlDirection(editor, true);
            },
            readOnly: true
        }];
    var Editor = require("../editor").Editor;
    require("../config").defineOptions(Editor.prototype, "editor", {
        rtlText: {
            set: function (val) {
                if (val) {
                    this.on("change", onChange);
                    this.on("changeSelection", onChangeSelection);
                    this.renderer.on("afterRender", updateLineDirection);
                    this.commands.on("exec", onCommandEmitted);
                    this.commands.addCommands(commands);
                }
                else {
                    this.off("change", onChange);
                    this.off("changeSelection", onChangeSelection);
                    this.renderer.off("afterRender", updateLineDirection);
                    this.commands.off("exec", onCommandEmitted);
                    this.commands.removeCommands(commands);
                    clearTextLayer(this.renderer);
                }
                this.renderer.updateFull();
            }
        },
        rtl: {
            set: function (val) {
                this.session.$bidiHandler.$isRtl = val;
                if (val) {
                    this.setOption("rtlText", false);
                    this.renderer.on("afterRender", updateLineDirection);
                    this.session.$bidiHandler.seenBidi = true;
                }
                else {
                    this.renderer.off("afterRender", updateLineDirection);
                    clearTextLayer(this.renderer);
                }
                this.renderer.updateFull();
            }
        }
    });
    function onChangeSelection(e, editor) {
        var lead = editor.getSelection().lead;
        if (editor.session.$bidiHandler.isRtlLine(lead.row)) {
            if (lead.column === 0) {
                if (editor.session.$bidiHandler.isMoveLeftOperation && lead.row > 0) {
                    editor.getSelection().moveCursorTo(lead.row - 1, editor.session.getLine(lead.row - 1).length);
                }
                else {
                    if (editor.getSelection().isEmpty())
                        lead.column += 1;
                    else
                        lead.setPosition(lead.row, lead.column + 1);
                }
            }
        }
    }
    function onCommandEmitted(commadEvent) {
        commadEvent.editor.session.$bidiHandler.isMoveLeftOperation = /gotoleft|selectleft|backspace|removewordleft/.test(commadEvent.command.name);
    }
    function onChange(delta, editor) {
        var session = editor.session;
        session.$bidiHandler.currentRow = null;
        if (session.$bidiHandler.isRtlLine(delta.start.row) && delta.action === 'insert' && delta.lines.length > 1) {
            for (var row = delta.start.row; row < delta.end.row; row++) {
                if (session.getLine(row + 1).charAt(0) !== session.$bidiHandler.RLE)
                    session.doc.$lines[row + 1] = session.$bidiHandler.RLE + session.getLine(row + 1);
            }
        }
    }
    function updateLineDirection(e, renderer) {
        var session = renderer.session;
        var $bidiHandler = session.$bidiHandler;
        var cells = renderer.$textLayer.$lines.cells;
        var width = renderer.layerConfig.width - renderer.layerConfig.padding + "px";
        cells.forEach(function (cell) {
            var style = cell.element.style;
            if ($bidiHandler && $bidiHandler.isRtlLine(cell.row)) {
                style.direction = "rtl";
                style.textAlign = "right";
                style.width = width;
            }
            else {
                style.direction = "";
                style.textAlign = "";
                style.width = "";
            }
        });
    }
    function clearTextLayer(renderer) {
        var lines = renderer.$textLayer.$lines;
        lines.cells.forEach(clear);
        lines.cellCache.forEach(clear);
        function clear(cell) {
            var style = cell.element.style;
            style.direction = style.textAlign = style.width = "";
        }
    }
});
(function () {
    ace.require(["ace/ext/rtl"], function (m) {
        if (typeof module == "object" && typeof exports == "object" && module) {
            module.exports = m;
        }
    });
})();
