ace.define("ace/ext/rtl",[], 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; } }); })();