(function (mod){ 
if (typeof exports == "object" && typeof module == "object") mod(require("../../lib/codemirror")); 
 else if (typeof define == "function" && define.amd) define(["../../lib/codemirror"] , mod); 
 else mod(CodeMirror); 
} 
)(function (CodeMirror){ 
"use strict"; 
function Bar(cls, orientation, scroll){ 
this.orientation = orientation; 
this.scroll = scroll; 
this.screen = this.total = this.size = 1; 
this.pos = 0; 
this.node = _AN_Call_createelement("createElement", document, "div"); 
this.node.className = cls + "-" + orientation; 
this.inner = _AN_Call_appendchild("appendChild", this.node, _AN_Call_createelement("createElement", document, "div")); 
var self = this; 
CodeMirror.on(this.inner, "mousedown", function (e){ 
if (e.which != 1) return ; 
CodeMirror.e_preventDefault(e); 
var axis = self.orientation == "horizontal"? "pageX": "pageY"; 
var start = e[axis], startpos = self.pos; 
function done(){ 
CodeMirror.off(document, "mousemove", move); 
CodeMirror.off(document, "mouseup", done); 
} 
function move(e){ 
if (e.which != 1) return done(); 
self.moveTo(startpos + (e[axis] - start) * (self.total / self.size)); 
} 
CodeMirror.on(document, "mousemove", move); 
CodeMirror.on(document, "mouseup", done); 
} 
); 
CodeMirror.on(this.node, "click", function (e){ 
CodeMirror.e_preventDefault(e); 
var innerBox = self.inner.getBoundingClientRect(), where; 
if (self.orientation == "horizontal") where = e.clientX < innerBox.left? -1: e.clientX > innerBox.right? 1: 0; 
 else where = e.clientY < innerBox.top? -1: e.clientY > innerBox.bottom? 1: 0; 
self.moveTo(self.pos + where * self.screen); 
} 
); 
function onWheel(e){ 
var moved = CodeMirror.wheelEventPixels(e)[self.orientation == "horizontal"? "x": "y"]; 
var oldPos = self.pos; 
self.moveTo(self.pos + moved); 
if (self.pos != oldPos) CodeMirror.e_preventDefault(e); 
} 
CodeMirror.on(this.node, "mousewheel", onWheel); 
CodeMirror.on(this.node, "DOMMouseScroll", onWheel); 
} 
Bar.prototype.setPos = function (pos){ 
if (pos < 0) pos = 0; 
if (pos > this.total - this.screen) pos = this.total - this.screen; 
if (pos == this.pos) return false ; 
this.pos = pos; 
this.inner.style[this.orientation == "horizontal"? "left": "top"] = (pos * (this.size / this.total)) + "px"; 
return true ; 
} 
; 
Bar.prototype.moveTo = function (pos){ 
if (this.setPos(pos)) this.scroll(pos, this.orientation); 
} 
; 
var minButtonSize = 10; 
Bar.prototype.update = function (scrollSize, clientSize, barSize){ 
this.screen = clientSize; 
this.total = scrollSize; 
this.size = barSize; 
var buttonSize = this.screen * (this.size / this.total); 
if (buttonSize < minButtonSize) { 
this.size -= minButtonSize - buttonSize; 
buttonSize = minButtonSize; 
} 
this.inner.style[this.orientation == "horizontal"? "width": "height"] = buttonSize + "px"; 
this.setPos(this.pos); 
} 
; 
function SimpleScrollbars(cls, place, scroll){ 
this.addClass = cls; 
this.horiz = new Bar(cls, "horizontal", scroll); 
place(this.horiz.node); 
this.vert = new Bar(cls, "vertical", scroll); 
place(this.vert.node); 
this.width = null ; 
} 
SimpleScrollbars.prototype.update = function (measure){ 
if (this.width == null ) { 
var style = window.getComputedStyle? window.getComputedStyle(this.horiz.node): this.horiz.node.currentStyle; 
if (style) this.width = parseInt(style.height); 
} 
var width = this.width || 0; 
var needsH = measure.scrollWidth > measure.clientWidth + 1; 
var needsV = measure.scrollHeight > measure.clientHeight + 1; 
this.vert.node.style.display = needsV? "block": "none"; 
this.horiz.node.style.display = needsH? "block": "none"; 
if (needsV) { 
this.vert.update(measure.scrollHeight, measure.clientHeight, measure.viewHeight - (needsH? width: 0)); 
this.vert.node.style.bottom = needsH? width + "px": "0"; 
} 
if (needsH) { 
this.horiz.update(measure.scrollWidth, measure.clientWidth, measure.viewWidth - (needsV? width: 0) - measure.barLeft); 
this.horiz.node.style.right = needsV? width + "px": "0"; 
this.horiz.node.style.left = measure.barLeft + "px"; 
} 
return { 
right: needsV? width: 0,
bottom: needsH? width: 0}
; 
} 
; 
SimpleScrollbars.prototype.setScrollTop = function (pos){ 
this.vert.setPos(pos); 
} 
; 
SimpleScrollbars.prototype.setScrollLeft = function (pos){ 
this.horiz.setPos(pos); 
} 
; 
SimpleScrollbars.prototype.clear = function (){ 
var parent = this.horiz.node.parentNode; 
parent.removeChild(this.horiz.node); 
parent.removeChild(this.vert.node); 
} 
; 
CodeMirror.scrollbarModel.simple = function (place, scroll){ 
return new SimpleScrollbars("CodeMirror-simplescroll", place, scroll); 
} 
; 
CodeMirror.scrollbarModel.overlay = function (place, scroll){ 
return new SimpleScrollbars("CodeMirror-overlayscroll", place, scroll); 
} 
; 
} 
);