App-Mxpress-PDF

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public/javascripts/ace/ace.js  view on Meta::CPAN

        if (useragent.isOldIE && ev.domEvent.type == "dblclick") {
            return setTimeout(function() {onCaptureEnd(ev);});
        }

        var onOperationEnd = function(e) {
            if (!self.releaseMouse) return;
            if (editor.curOp.command.name && editor.curOp.selectionChanged) {
                self[self.state + "End"] && self[self.state + "End"]();
                self.state = "";
                self.releaseMouse();
            }
        };

        editor.on("beforeEndOperation", onOperationEnd);
        editor.startOperation({command: {name: "mouse"}});

        self.$onCaptureMouseMove = onMouseMove;
        self.releaseMouse = event.capture(this.editor.container, onMouseMove, onCaptureEnd);
        var timerId = setInterval(onCaptureInterval, 20);
    };
    this.releaseMouse = null;
    this.cancelContextMenu = function() {
        var stop = function(e) {
            if (e && e.domEvent && e.domEvent.type != "contextmenu")
                return;
            this.editor.off("nativecontextmenu", stop);
            if (e && e.domEvent)
                event.stopEvent(e.domEvent);
        }.bind(this);
        setTimeout(stop, 10);
        this.editor.on("nativecontextmenu", stop);
    };
}).call(MouseHandler.prototype);

config.defineOptions(MouseHandler.prototype, "mouseHandler", {
    scrollSpeed: {initialValue: 2},
    dragDelay: {initialValue: (useragent.isMac ? 150 : 0)},
    dragEnabled: {initialValue: true},
    focusTimeout: {initialValue: 0},
    tooltipFollowsMouse: {initialValue: true}
});


exports.MouseHandler = MouseHandler;
});

define("ace/mouse/fold_handler",["require","exports","module","ace/lib/dom"], function(require, exports, module) {
"use strict";
var dom = require("../lib/dom");

function FoldHandler(editor) {

    editor.on("click", function(e) {
        var position = e.getDocumentPosition();
        var session = editor.session;
        var fold = session.getFoldAt(position.row, position.column, 1);
        if (fold) {
            if (e.getAccelKey())
                session.removeFold(fold);
            else
                session.expandFold(fold);

            e.stop();
        }
        
        var target = e.domEvent && e.domEvent.target;
        if (target && dom.hasCssClass(target, "ace_inline_button")) {
            if (dom.hasCssClass(target, "ace_toggle_wrap")) {
                session.setOption("wrap", !session.getUseWrapMode());
                editor.renderer.scrollCursorIntoView();
            }
        }
    });

    editor.on("gutterclick", function(e) {
        var gutterRegion = editor.renderer.$gutterLayer.getRegion(e);

        if (gutterRegion == "foldWidgets") {
            var row = e.getDocumentPosition().row;
            var session = editor.session;
            if (session.foldWidgets && session.foldWidgets[row])
                editor.session.onFoldWidgetClick(row, e);
            if (!editor.isFocused())
                editor.focus();
            e.stop();
        }
    });

    editor.on("gutterdblclick", function(e) {
        var gutterRegion = editor.renderer.$gutterLayer.getRegion(e);

        if (gutterRegion == "foldWidgets") {
            var row = e.getDocumentPosition().row;
            var session = editor.session;
            var data = session.getParentFoldRangeData(row, true);
            var range = data.range || data.firstRange;

            if (range) {
                row = range.start.row;
                var fold = session.getFoldAt(row, session.getLine(row).length, 1);

                if (fold) {
                    session.removeFold(fold);
                } else {
                    session.addFold("...", range);
                    editor.renderer.scrollCursorIntoView({row: range.start.row, column: 0});
                }
            }
            e.stop();
        }
    });
}

exports.FoldHandler = FoldHandler;

});

define("ace/keyboard/keybinding",["require","exports","module","ace/lib/keys","ace/lib/event"], function(require, exports, module) {
"use strict";

var keyUtil  = require("../lib/keys");

public/javascripts/ace/ace.js  view on Meta::CPAN


    this.addFolds = function(folds) {
        folds.forEach(function(fold) {
            this.addFold(fold);
        }, this);
    };

    this.removeFold = function(fold) {
        var foldLine = fold.foldLine;
        var startRow = foldLine.start.row;
        var endRow = foldLine.end.row;

        var foldLines = this.$foldData;
        var folds = foldLine.folds;
        if (folds.length == 1) {
            foldLines.splice(foldLines.indexOf(foldLine), 1);
        } else
        if (foldLine.range.isEnd(fold.end.row, fold.end.column)) {
            folds.pop();
            foldLine.end.row = folds[folds.length - 1].end.row;
            foldLine.end.column = folds[folds.length - 1].end.column;
        } else
        if (foldLine.range.isStart(fold.start.row, fold.start.column)) {
            folds.shift();
            foldLine.start.row = folds[0].start.row;
            foldLine.start.column = folds[0].start.column;
        } else
        if (fold.sameRow) {
            folds.splice(folds.indexOf(fold), 1);
        } else
        {
            var newFoldLine = foldLine.split(fold.start.row, fold.start.column);
            folds = newFoldLine.folds;
            folds.shift();
            newFoldLine.start.row = folds[0].start.row;
            newFoldLine.start.column = folds[0].start.column;
        }

        if (!this.$updating) {
            if (this.$useWrapMode)
                this.$updateWrapData(startRow, endRow);
            else
                this.$updateRowLengthCache(startRow, endRow);
        }
        this.$modified = true;
        this._signal("changeFold", { data: fold, action: "remove" });
    };

    this.removeFolds = function(folds) {
        var cloneFolds = [];
        for (var i = 0; i < folds.length; i++) {
            cloneFolds.push(folds[i]);
        }

        cloneFolds.forEach(function(fold) {
            this.removeFold(fold);
        }, this);
        this.$modified = true;
    };

    this.expandFold = function(fold) {
        this.removeFold(fold);
        fold.subFolds.forEach(function(subFold) {
            fold.restoreRange(subFold);
            this.addFold(subFold);
        }, this);
        if (fold.collapseChildren > 0) {
            this.foldAll(fold.start.row+1, fold.end.row, fold.collapseChildren-1);
        }
        fold.subFolds = [];
    };

    this.expandFolds = function(folds) {
        folds.forEach(function(fold) {
            this.expandFold(fold);
        }, this);
    };

    this.unfold = function(location, expandInner) {
        var range, folds;
        if (location == null) {
            range = new Range(0, 0, this.getLength(), 0);
            expandInner = true;
        } else if (typeof location == "number")
            range = new Range(location, 0, location, this.getLine(location).length);
        else if ("row" in location)
            range = Range.fromPoints(location, location);
        else
            range = location;
        
        folds = this.getFoldsInRangeList(range);
        if (expandInner) {
            this.removeFolds(folds);
        } else {
            var subFolds = folds;
            while (subFolds.length) {
                this.expandFolds(subFolds);
                subFolds = this.getFoldsInRangeList(range);
            }
        }
        if (folds.length)
            return folds;
    };
    this.isRowFolded = function(docRow, startFoldRow) {
        return !!this.getFoldLine(docRow, startFoldRow);
    };

    this.getRowFoldEnd = function(docRow, startFoldRow) {
        var foldLine = this.getFoldLine(docRow, startFoldRow);
        return foldLine ? foldLine.end.row : docRow;
    };

    this.getRowFoldStart = function(docRow, startFoldRow) {
        var foldLine = this.getFoldLine(docRow, startFoldRow);
        return foldLine ? foldLine.start.row : docRow;
    };

    this.getFoldDisplayLine = function(foldLine, endRow, endColumn, startRow, startColumn) {
        if (startRow == null)
            startRow = foldLine.start.row;
        if (startColumn == null)
            startColumn = 0;
        if (endRow == null)
            endRow = foldLine.end.row;
        if (endColumn == null)
            endColumn = this.getLine(endRow).length;
        var doc = this.doc;
        var textLine = "";

        foldLine.walk(function(placeholder, row, column, lastColumn) {
            if (row < startRow)
                return;
            if (row == startRow) {
                if (column < startColumn)
                    return;
                lastColumn = Math.max(startColumn, lastColumn);
            }

            if (placeholder != null) {
                textLine += placeholder;
            } else {
                textLine += doc.getLine(row).substring(lastColumn, column);
            }
        }, endRow, endColumn);
        return textLine;
    };

    this.getDisplayLine = function(row, endColumn, startRow, startColumn) {
        var foldLine = this.getFoldLine(row);

        if (!foldLine) {
            var line;
            line = this.doc.getLine(row);
            return line.substring(startColumn || 0, endColumn || line.length);
        } else {
            return this.getFoldDisplayLine(
                foldLine, row, endColumn, startRow, startColumn);
        }
    };

    this.$cloneFoldData = function() {
        var fd = [];
        fd = this.$foldData.map(function(foldLine) {
            var folds = foldLine.folds.map(function(fold) {
                return fold.clone();
            });
            return new FoldLine(fd, folds);
        });

        return fd;
    };

    this.toggleFold = function(tryToUnfold) {
        var selection = this.selection;
        var range = selection.getRange();
        var fold;
        var bracketPos;

        if (range.isEmpty()) {
            var cursor = range.start;
            fold = this.getFoldAt(cursor.row, cursor.column);

            if (fold) {
                this.expandFold(fold);
                return;
            } else if (bracketPos = this.findMatchingBracket(cursor)) {
                if (range.comparePoint(bracketPos) == 1) {
                    range.end = bracketPos;
                } else {
                    range.start = bracketPos;
                    range.start.column++;
                    range.end.column--;
                }
            } else if (bracketPos = this.findMatchingBracket({row: cursor.row, column: cursor.column + 1})) {
                if (range.comparePoint(bracketPos) == 1)
                    range.end = bracketPos;
                else
                    range.start = bracketPos;

                range.start.column++;
            } else {
                range = this.getCommentFoldRange(cursor.row, cursor.column) || range;
            }
        } else {
            var folds = this.getFoldsInRange(range);
            if (tryToUnfold && folds.length) {
                this.expandFolds(folds);
                return;
            } else if (folds.length == 1 ) {
                fold = folds[0];
            }
        }

        if (!fold)
            fold = this.getFoldAt(range.start.row, range.start.column);

        if (fold && fold.range.toString() == range.toString()) {
            this.expandFold(fold);
            return;
        }

        var placeholder = "...";
        if (!range.isMultiLine()) {
            placeholder = this.getTextRange(range);
            if (placeholder.length < 4)
                return;
            placeholder = placeholder.trim().substring(0, 2) + "..";
        }

        this.addFold(placeholder, range);
    };

    this.getCommentFoldRange = function(row, column, dir) {
        var iterator = new TokenIterator(this, row, column);
        var token = iterator.getCurrentToken();
        var type = token.type;
        if (token && /^comment|string/.test(type)) {
            type = type.match(/comment|string/)[0];
            if (type == "comment")
                type += "|doc-start";
            var re = new RegExp(type);
            var range = new Range();
            if (dir != 1) {
                do {
                    token = iterator.stepBackward();
                } while (token && re.test(token.type));
                iterator.stepForward();
            }
            
            range.start.row = iterator.getCurrentTokenRow();
            range.start.column = iterator.getCurrentTokenColumn() + 2;

            iterator = new TokenIterator(this, row, column);
            
            if (dir != -1) {
                var lastRow = -1;
                do {
                    token = iterator.stepForward();
                    if (lastRow == -1) {
                        var state = this.getState(iterator.$row);
                        if (!re.test(state))
                            lastRow = iterator.$row;
                    } else if (iterator.$row > lastRow) {
                        break;
                    }
                } while (token && re.test(token.type));
                token = iterator.stepBackward();
            } else
                token = iterator.getCurrentToken();

            range.end.row = iterator.getCurrentTokenRow();
            range.end.column = iterator.getCurrentTokenColumn() + token.value.length - 2;
            return range;
        }
    };

    this.foldAll = function(startRow, endRow, depth) {
        if (depth == undefined)

public/javascripts/ace/ace.js  view on Meta::CPAN

        this.on('change', this.$updateFoldWidgets);
        this.on('tokenizerUpdate', this.$tokenizerUpdateFoldWidgets);
    };

    this.getParentFoldRangeData = function (row, ignoreCurrent) {
        var fw = this.foldWidgets;
        if (!fw || (ignoreCurrent && fw[row]))
            return {};

        var i = row - 1, firstRange;
        while (i >= 0) {
            var c = fw[i];
            if (c == null)
                c = fw[i] = this.getFoldWidget(i);

            if (c == "start") {
                var range = this.getFoldWidgetRange(i);
                if (!firstRange)
                    firstRange = range;
                if (range && range.end.row >= row)
                    break;
            }
            i--;
        }

        return {
            range: i !== -1 && range,
            firstRange: firstRange
        };
    };

    this.onFoldWidgetClick = function(row, e) {
        e = e.domEvent;
        var options = {
            children: e.shiftKey,
            all: e.ctrlKey || e.metaKey,
            siblings: e.altKey
        };
        
        var range = this.$toggleFoldWidget(row, options);
        if (!range) {
            var el = (e.target || e.srcElement);
            if (el && /ace_fold-widget/.test(el.className))
                el.className += " ace_invalid";
        }
    };
    
    this.$toggleFoldWidget = function(row, options) {
        if (!this.getFoldWidget)
            return;
        var type = this.getFoldWidget(row);
        var line = this.getLine(row);

        var dir = type === "end" ? -1 : 1;
        var fold = this.getFoldAt(row, dir === -1 ? 0 : line.length, dir);

        if (fold) {
            if (options.children || options.all)
                this.removeFold(fold);
            else
                this.expandFold(fold);
            return fold;
        }

        var range = this.getFoldWidgetRange(row, true);
        if (range && !range.isMultiLine()) {
            fold = this.getFoldAt(range.start.row, range.start.column, 1);
            if (fold && range.isEqual(fold.range)) {
                this.removeFold(fold);
                return fold;
            }
        }
        
        if (options.siblings) {
            var data = this.getParentFoldRangeData(row);
            if (data.range) {
                var startRow = data.range.start.row + 1;
                var endRow = data.range.end.row;
            }
            this.foldAll(startRow, endRow, options.all ? 10000 : 0);
        } else if (options.children) {
            endRow = range ? range.end.row : this.getLength();
            this.foldAll(row + 1, endRow, options.all ? 10000 : 0);
        } else if (range) {
            if (options.all) 
                range.collapseChildren = 10000;
            this.addFold("...", range);
        }
        
        return range;
    };
    
    
    
    this.toggleFoldWidget = function(toggleParent) {
        var row = this.selection.getCursor().row;
        row = this.getRowFoldStart(row);
        var range = this.$toggleFoldWidget(row, {});
        
        if (range)
            return;
        var data = this.getParentFoldRangeData(row, true);
        range = data.range || data.firstRange;
        
        if (range) {
            row = range.start.row;
            var fold = this.getFoldAt(row, this.getLine(row).length, 1);

            if (fold) {
                this.removeFold(fold);
            } else {
                this.addFold("...", range);
            }
        }
    };

    this.updateFoldWidgets = function(delta) {
        var firstRow = delta.start.row;
        var len = delta.end.row - firstRow;

        if (len === 0) {

public/javascripts/ace/ace.js  view on Meta::CPAN

    bindKey: "PageUp",
    exec: function(editor) { editor.gotoPageUp(); },
    readOnly: true
}, {
    name: "scrollup",
    description: "Scroll up",
    bindKey: bindKey("Ctrl-Up", null),
    exec: function(e) { e.renderer.scrollBy(0, -2 * e.renderer.layerConfig.lineHeight); },
    readOnly: true
}, {
    name: "scrolldown",
    description: "Scroll down",
    bindKey: bindKey("Ctrl-Down", null),
    exec: function(e) { e.renderer.scrollBy(0, 2 * e.renderer.layerConfig.lineHeight); },
    readOnly: true
}, {
    name: "selectlinestart",
    description: "Select line start",
    bindKey: "Shift-Home",
    exec: function(editor) { editor.getSelection().selectLineStart(); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor",
    readOnly: true
}, {
    name: "selectlineend",
    description: "Select line end",
    bindKey: "Shift-End",
    exec: function(editor) { editor.getSelection().selectLineEnd(); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor",
    readOnly: true
}, {
    name: "togglerecording",
    description: "Toggle recording",
    bindKey: bindKey("Ctrl-Alt-E", "Command-Option-E"),
    exec: function(editor) { editor.commands.toggleRecording(editor); },
    readOnly: true
}, {
    name: "replaymacro",
    description: "Replay macro",
    bindKey: bindKey("Ctrl-Shift-E", "Command-Shift-E"),
    exec: function(editor) { editor.commands.replay(editor); },
    readOnly: true
}, {
    name: "jumptomatching",
    description: "Jump to matching",
    bindKey: bindKey("Ctrl-\\|Ctrl-P", "Command-\\"),
    exec: function(editor) { editor.jumpToMatching(); },
    multiSelectAction: "forEach",
    scrollIntoView: "animate",
    readOnly: true
}, {
    name: "selecttomatching",
    description: "Select to matching",
    bindKey: bindKey("Ctrl-Shift-\\|Ctrl-Shift-P", "Command-Shift-\\"),
    exec: function(editor) { editor.jumpToMatching(true); },
    multiSelectAction: "forEach",
    scrollIntoView: "animate",
    readOnly: true
}, {
    name: "expandToMatching",
    description: "Expand to matching",
    bindKey: bindKey("Ctrl-Shift-M", "Ctrl-Shift-M"),
    exec: function(editor) { editor.jumpToMatching(true, true); },
    multiSelectAction: "forEach",
    scrollIntoView: "animate",
    readOnly: true
}, {
    name: "passKeysToBrowser",
    description: "Pass keys to browser",
    bindKey: bindKey(null, null),
    exec: function() {},
    passEvent: true,
    readOnly: true
}, {
    name: "copy",
    description: "Copy",
    exec: function(editor) {
    },
    readOnly: true
},
{
    name: "cut",
    description: "Cut",
    exec: function(editor) {
        var cutLine = editor.$copyWithEmptySelection && editor.selection.isEmpty();
        var range = cutLine ? editor.selection.getLineRange() : editor.selection.getRange();
        editor._emit("cut", range);

        if (!range.isEmpty())
            editor.session.remove(range);
        editor.clearSelection();
    },
    scrollIntoView: "cursor",
    multiSelectAction: "forEach"
}, {
    name: "paste",
    description: "Paste",
    exec: function(editor, args) {
        editor.$handlePaste(args);
    },
    scrollIntoView: "cursor"
}, {
    name: "removeline",
    description: "Remove line",
    bindKey: bindKey("Ctrl-D", "Command-D"),
    exec: function(editor) { editor.removeLines(); },
    scrollIntoView: "cursor",
    multiSelectAction: "forEachLine"
}, {
    name: "duplicateSelection",
    description: "Duplicate selection",
    bindKey: bindKey("Ctrl-Shift-D", "Command-Shift-D"),
    exec: function(editor) { editor.duplicateSelection(); },
    scrollIntoView: "cursor",
    multiSelectAction: "forEach"
}, {
    name: "sortlines",
    description: "Sort lines",
    bindKey: bindKey("Ctrl-Alt-S", "Command-Alt-S"),
    exec: function(editor) { editor.sortLines(); },

public/javascripts/ace/ace.js  view on Meta::CPAN

    exec: function(editor) { editor.blockOutdent(); },
    multiSelectAction: "forEachLine",
    scrollIntoView: "selectionPart"
}, {
    name: "blockindent",
    description: "Block indent",
    bindKey: bindKey("Ctrl-]", "Ctrl-]"),
    exec: function(editor) { editor.blockIndent(); },
    multiSelectAction: "forEachLine",
    scrollIntoView: "selectionPart"
}, {
    name: "insertstring",
    description: "Insert string",
    exec: function(editor, str) { editor.insert(str); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor"
}, {
    name: "inserttext",
    description: "Insert text",
    exec: function(editor, args) {
        editor.insert(lang.stringRepeat(args.text  || "", args.times || 1));
    },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor"
}, {
    name: "splitline",
    description: "Split line",
    bindKey: bindKey(null, "Ctrl-O"),
    exec: function(editor) { editor.splitLine(); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor"
}, {
    name: "transposeletters",
    description: "Transpose letters",
    bindKey: bindKey("Alt-Shift-X", "Ctrl-T"),
    exec: function(editor) { editor.transposeLetters(); },
    multiSelectAction: function(editor) {editor.transposeSelections(1); },
    scrollIntoView: "cursor"
}, {
    name: "touppercase",
    description: "To uppercase",
    bindKey: bindKey("Ctrl-U", "Ctrl-U"),
    exec: function(editor) { editor.toUpperCase(); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor"
}, {
    name: "tolowercase",
    description: "To lowercase",
    bindKey: bindKey("Ctrl-Shift-U", "Ctrl-Shift-U"),
    exec: function(editor) { editor.toLowerCase(); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor"
}, {
    name: "autoindent",
    description: "Auto Indent",
    bindKey: bindKey(null, null),
    exec: function(editor) { editor.autoIndent(); },
    multiSelectAction: "forEachLine",
    scrollIntoView: "animate"
}, {
    name: "expandtoline",
    description: "Expand to line",
    bindKey: bindKey("Ctrl-Shift-L", "Command-Shift-L"),
    exec: function(editor) {
        var range = editor.selection.getRange();

        range.start.column = range.end.column = 0;
        range.end.row++;
        editor.selection.setRange(range, false);
    },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor",
    readOnly: true
}, {
    name: "joinlines",
    description: "Join lines",
    bindKey: bindKey(null, null),
    exec: function(editor) {
        var isBackwards = editor.selection.isBackwards();
        var selectionStart = isBackwards ? editor.selection.getSelectionLead() : editor.selection.getSelectionAnchor();
        var selectionEnd = isBackwards ? editor.selection.getSelectionAnchor() : editor.selection.getSelectionLead();
        var firstLineEndCol = editor.session.doc.getLine(selectionStart.row).length;
        var selectedText = editor.session.doc.getTextRange(editor.selection.getRange());
        var selectedCount = selectedText.replace(/\n\s*/, " ").length;
        var insertLine = editor.session.doc.getLine(selectionStart.row);

        for (var i = selectionStart.row + 1; i <= selectionEnd.row + 1; i++) {
            var curLine = lang.stringTrimLeft(lang.stringTrimRight(editor.session.doc.getLine(i)));
            if (curLine.length !== 0) {
                curLine = " " + curLine;
            }
            insertLine += curLine;
        }

        if (selectionEnd.row + 1 < (editor.session.doc.getLength() - 1)) {
            insertLine += editor.session.doc.getNewLineCharacter();
        }

        editor.clearSelection();
        editor.session.doc.replace(new Range(selectionStart.row, 0, selectionEnd.row + 2, 0), insertLine);

        if (selectedCount > 0) {
            editor.selection.moveCursorTo(selectionStart.row, selectionStart.column);
            editor.selection.selectTo(selectionStart.row, selectionStart.column + selectedCount);
        } else {
            firstLineEndCol = editor.session.doc.getLine(selectionStart.row).length > firstLineEndCol ? (firstLineEndCol + 1) : firstLineEndCol;
            editor.selection.moveCursorTo(selectionStart.row, firstLineEndCol);
        }
    },
    multiSelectAction: "forEach",
    readOnly: true
}, {
    name: "invertSelection",
    description: "Invert selection",
    bindKey: bindKey(null, null),
    exec: function(editor) {
        var endRow = editor.session.doc.getLength() - 1;
        var endCol = editor.session.doc.getLine(endRow).length;
        var ranges = editor.selection.rangeList.ranges;
        var newRanges = [];
        if (ranges.length < 1) {

public/javascripts/ace/ace.js  view on Meta::CPAN


        renderer.scrollBy(0, rows * config.lineHeight);
        if (select != null)
            renderer.scrollCursorIntoView(null, 0.5);

        renderer.animateScrolling(scrollTop);
    };
    this.selectPageDown = function() {
        this.$moveByPage(1, true);
    };
    this.selectPageUp = function() {
        this.$moveByPage(-1, true);
    };
    this.gotoPageDown = function() {
       this.$moveByPage(1, false);
    };
    this.gotoPageUp = function() {
        this.$moveByPage(-1, false);
    };
    this.scrollPageDown = function() {
        this.$moveByPage(1);
    };
    this.scrollPageUp = function() {
        this.$moveByPage(-1);
    };
    this.scrollToRow = function(row) {
        this.renderer.scrollToRow(row);
    };
    this.scrollToLine = function(line, center, animate, callback) {
        this.renderer.scrollToLine(line, center, animate, callback);
    };
    this.centerSelection = function() {
        var range = this.getSelectionRange();
        var pos = {
            row: Math.floor(range.start.row + (range.end.row - range.start.row) / 2),
            column: Math.floor(range.start.column + (range.end.column - range.start.column) / 2)
        };
        this.renderer.alignCursor(pos, 0.5);
    };
    this.getCursorPosition = function() {
        return this.selection.getCursor();
    };
    this.getCursorPositionScreen = function() {
        return this.session.documentToScreenPosition(this.getCursorPosition());
    };
    this.getSelectionRange = function() {
        return this.selection.getRange();
    };
    this.selectAll = function() {
        this.selection.selectAll();
    };
    this.clearSelection = function() {
        this.selection.clearSelection();
    };
    this.moveCursorTo = function(row, column) {
        this.selection.moveCursorTo(row, column);
    };
    this.moveCursorToPosition = function(pos) {
        this.selection.moveCursorToPosition(pos);
    };
    this.jumpToMatching = function(select, expand) {
        var cursor = this.getCursorPosition();
        var iterator = new TokenIterator(this.session, cursor.row, cursor.column);
        var prevToken = iterator.getCurrentToken();
        var token = prevToken || iterator.stepForward();

        if (!token) return;
        var matchType;
        var found = false;
        var depth = {};
        var i = cursor.column - token.start;
        var bracketType;
        var brackets = {
            ")": "(",
            "(": "(",
            "]": "[",
            "[": "[",
            "{": "{",
            "}": "{"
        };
        
        do {
            if (token.value.match(/[{}()\[\]]/g)) {
                for (; i < token.value.length && !found; i++) {
                    if (!brackets[token.value[i]]) {
                        continue;
                    }

                    bracketType = brackets[token.value[i]] + '.' + token.type.replace("rparen", "lparen");

                    if (isNaN(depth[bracketType])) {
                        depth[bracketType] = 0;
                    }

                    switch (token.value[i]) {
                        case '(':
                        case '[':
                        case '{':
                            depth[bracketType]++;
                            break;
                        case ')':
                        case ']':
                        case '}':
                            depth[bracketType]--;

                            if (depth[bracketType] === -1) {
                                matchType = 'bracket';
                                found = true;
                            }
                        break;
                    }
                }
            }
            else if (token.type.indexOf('tag-name') !== -1) {
                if (isNaN(depth[token.value])) {
                    depth[token.value] = 0;
                }
                
                if (prevToken.value === '<') {
                    depth[token.value]++;
                }
                else if (prevToken.value === '</') {
                    depth[token.value]--;
                }
                
                if (depth[token.value] === -1) {
                    matchType = 'tag';
                    found = true;
                }
            }

            if (!found) {
                prevToken = token;
                token = iterator.stepForward();
                i = 0;
            }
        } while (token && !found);
        if (!matchType)
            return;

        var range, pos;
        if (matchType === 'bracket') {
            range = this.session.getBracketRange(cursor);
            if (!range) {
                range = new Range(
                    iterator.getCurrentTokenRow(),
                    iterator.getCurrentTokenColumn() + i - 1,
                    iterator.getCurrentTokenRow(),
                    iterator.getCurrentTokenColumn() + i - 1
                );
                pos = range.start;
                if (expand || pos.row === cursor.row && Math.abs(pos.column - cursor.column) < 2)
                    range = this.session.getBracketRange(pos);
            }
        }
        else if (matchType === 'tag') {
            if (token && token.type.indexOf('tag-name') !== -1) 
                var tag = token.value;
            else
                return;

            range = new Range(
                iterator.getCurrentTokenRow(),
                iterator.getCurrentTokenColumn() - 2,
                iterator.getCurrentTokenRow(),
                iterator.getCurrentTokenColumn() - 2
            );
            if (range.compare(cursor.row, cursor.column) === 0) {
                found = false;
                do {
                    token = prevToken;
                    prevToken = iterator.stepBackward();
                    
                    if (prevToken) {
                        if (prevToken.type.indexOf('tag-close') !== -1) {
                            range.setEnd(iterator.getCurrentTokenRow(), iterator.getCurrentTokenColumn() + 1);
                        }

                        if (token.value === tag && token.type.indexOf('tag-name') !== -1) {
                            if (prevToken.value === '<') {
                                depth[tag]++;
                            }
                            else if (prevToken.value === '</') {
                                depth[tag]--;
                            }
                            
                            if (depth[tag] === 0)
                                found = true;
                        }
                    }
                } while (prevToken && !found);
            }
            if (token && token.type.indexOf('tag-name')) {
                pos = range.start;
                if (pos.row == cursor.row && Math.abs(pos.column - cursor.column) < 2)
                    pos = range.end;
            }
        }

        pos = range && range.cursor || pos;
        if (pos) {
            if (select) {
                if (range && expand) {
                    this.selection.setRange(range);
                } else if (range && range.isEqual(this.getSelectionRange())) {
                    this.clearSelection();
                } else {
                    this.selection.selectTo(pos.row, pos.column);
                }
            } else {
                this.selection.moveTo(pos.row, pos.column);
            }
        }
    };
    this.gotoLine = function(lineNumber, column, animate) {
        this.selection.clearSelection();
        this.session.unfold({row: lineNumber - 1, column: column || 0});
        this.exitMultiSelectMode && this.exitMultiSelectMode();
        this.moveCursorTo(lineNumber - 1, column || 0);

        if (!this.isRowFullyVisible(lineNumber - 1))
            this.scrollToLine(lineNumber - 1, true, animate);
    };
    this.navigateTo = function(row, column) {
        this.selection.moveTo(row, column);
    };
    this.navigateUp = function(times) {
        if (this.selection.isMultiLine() && !this.selection.isBackwards()) {
            var selectionStart = this.selection.anchor.getPosition();
            return this.moveCursorToPosition(selectionStart);
        }
        this.selection.clearSelection();
        this.selection.moveCursorBy(-times || -1, 0);
    };
    this.navigateDown = function(times) {
        if (this.selection.isMultiLine() && this.selection.isBackwards()) {
            var selectionEnd = this.selection.anchor.getPosition();
            return this.moveCursorToPosition(selectionEnd);
        }
        this.selection.clearSelection();
        this.selection.moveCursorBy(times || 1, 0);
    };
    this.navigateLeft = function(times) {
        if (!this.selection.isEmpty()) {
            var selectionStart = this.getSelectionRange().start;
            this.moveCursorToPosition(selectionStart);
        }
        else {
            times = times || 1;
            while (times--) {
                this.selection.moveCursorLeft();
            }
        }
        this.clearSelection();
    };
    this.navigateRight = function(times) {
        if (!this.selection.isEmpty()) {
            var selectionEnd = this.getSelectionRange().end;
            this.moveCursorToPosition(selectionEnd);
        }
        else {
            times = times || 1;
            while (times--) {



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