/* perfect-scrollbar v0.6.16 */
(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
'use strict';
var ps = require('../main');
if (typeof define === 'function' && define.amd) {
// AMD
define(ps);
} else {
// Add to a global object.
window.PerfectScrollbar = ps;
if (typeof window.Ps === 'undefined') {
window.Ps = ps;
}
}
},{"../main":7}],2:[function(require,module,exports){
'use strict';
function oldAdd(element, className) {
var classes = element.className.split(' ');
if (classes.indexOf(className) < 0) {
classes.push(className);
}
element.className = classes.join(' ');
}
function oldRemove(element, className) {
var classes = element.className.split(' ');
var idx = classes.indexOf(className);
if (idx >= 0) {
classes.splice(idx, 1);
}
element.className = classes.join(' ');
}
exports.add = function (element, className) {
if (element.classList) {
element.classList.add(className);
} else {
oldAdd(element, className);
}
};
exports.remove = function (element, className) {
if (element.classList) {
element.classList.remove(className);
} else {
oldRemove(element, className);
}
};
exports.list = function (element) {
if (element.classList) {
return Array.prototype.slice.apply(element.classList);
} else {
return element.className.split(' ');
}
};
},{}],3:[function(require,module,exports){
'use strict';
var DOM = {};
DOM.e = function (tagName, className) {
var element = document.createElement(tagName);
element.className = className;
return element;
};
DOM.appendTo = function (child, parent) {
parent.appendChild(child);
return child;
};
function cssGet(element, styleName) {
return window.getComputedStyle(element)[styleName];
}
function cssSet(element, styleName, styleValue) {
if (typeof styleValue === 'number') {
styleValue = styleValue.toString() + 'px';
}
element.style[styleName] = styleValue;
return element;
}
function cssMultiSet(element, obj) {
for (var key in obj) {
var val = obj[key];
if (typeof val === 'number') {
val = val.toString() + 'px';
}
element.style[key] = val;
}
return element;
}
DOM.css = function (element, styleNameOrObject, styleValue) {
if (typeof styleNameOrObject === 'object') {
// multiple set with object
return cssMultiSet(element, styleNameOrObject);
} else {
if (typeof styleValue === 'undefined') {
return cssGet(element, styleNameOrObject);
} else {
return cssSet(element, styleNameOrObject, styleValue);
}
}
};
DOM.matches = function (element, query) {
if (typeof element.matches !== 'undefined') {
return element.matches(query);
} else {
if (typeof element.matchesSelector !== 'undefined') {
return element.matchesSelector(query);
} else if (typeof element.webkitMatchesSelector !== 'undefined') {
return element.webkitMatchesSelector(query);
} else if (typeof element.mozMatchesSelector !== 'undefined') {
return element.mozMatchesSelector(query);
} else if (typeof element.msMatchesSelector !== 'undefined') {
return element.msMatchesSelector(query);
}
}
};
DOM.remove = function (element) {
if (typeof element.remove !== 'undefined') {
element.remove();
} else {
if (element.parentNode) {
element.parentNode.removeChild(element);
}
}
};
DOM.queryChildren = function (element, selector) {
return Array.prototype.filter.call(element.childNodes, function (child) {
return DOM.matches(child, selector);
});
};
module.exports = DOM;
},{}],4:[function(require,module,exports){
'use strict';
var EventElement = function (element) {
this.element = element;
this.events = {};
};
EventElement.prototype.bind = function (eventName, handler) {
if (typeof this.events[eventName] === 'undefined') {
this.events[eventName] = [];
}
this.events[eventName].push(handler);
this.element.addEventListener(eventName, handler, false);
};
EventElement.prototype.unbind = function (eventName, handler) {
var isHandlerProvided = (typeof handler !== 'undefined');
this.events[eventName] = this.events[eventName].filter(function (hdlr) {
if (isHandlerProvided && hdlr !== handler) {
return true;
}
this.element.removeEventListener(eventName, hdlr, false);
return false;
}, this);
};
EventElement.prototype.unbindAll = function () {
for (var name in this.events) {
this.unbind(name);
}
};
var EventManager = function () {
this.eventElements = [];
};
EventManager.prototype.eventElement = function (element) {
var ee = this.eventElements.filter(function (eventElement) {
return eventElement.element === element;
})[0];
if (typeof ee === 'undefined') {
ee = new EventElement(element);
this.eventElements.push(ee);
}
return ee;
};
EventManager.prototype.bind = function (element, eventName, handler) {
this.eventElement(element).bind(eventName, handler);
};
EventManager.prototype.unbind = function (element, eventName, handler) {
this.eventElement(element).unbind(eventName, handler);
};
EventManager.prototype.unbindAll = function () {
for (var i = 0; i < this.eventElements.length; i++) {
this.eventElements[i].unbindAll();
}
};
EventManager.prototype.once = function (element, eventName, handler) {
var ee = this.eventElement(element);
var onceHandler = function (e) {
ee.unbind(eventName, onceHandler);
handler(e);
};
ee.bind(eventName, onceHandler);
};
module.exports = EventManager;
},{}],5:[function(require,module,exports){
'use strict';
module.exports = (function () {
function s4() {
return Math.floor((1 + Math.random()) * 0x10000)
.toString(16)
.substring(1);
}
return function () {
return s4() + s4() + '-' + s4() + '-' + s4() + '-' +
s4() + '-' + s4() + s4() + s4();
};
})();
},{}],6:[function(require,module,exports){
'use strict';
var cls = require('./class');
var dom = require('./dom');
var toInt = exports.toInt = function (x) {
return parseInt(x, 10) || 0;
};
var clone = exports.clone = function (obj) {
if (!obj) {
return null;
} else if (obj.constructor === Array) {
return obj.map(clone);
} else if (typeof obj === 'object') {
var result = {};
for (var key in obj) {
result[key] = clone(obj[key]);
}
return result;
} else {
return obj;
}
};
exports.extend = function (original, source) {
var result = clone(original);
for (var key in source) {
result[key] = clone(source[key]);
}
return result;
};
exports.isEditable = function (el) {
return dom.matches(el, "input,[contenteditable]") ||
dom.matches(el, "select,[contenteditable]") ||
dom.matches(el, "textarea,[contenteditable]") ||
dom.matches(el, "button,[contenteditable]");
};
exports.removePsClasses = function (element) {
var clsList = cls.list(element);
for (var i = 0; i < clsList.length; i++) {
var className = clsList[i];
if (className.indexOf('ps-') === 0) {
cls.remove(element, className);
}
}
};
exports.outerWidth = function (element) {
return toInt(dom.css(element, 'width')) +
toInt(dom.css(element, 'paddingLeft')) +
toInt(dom.css(element, 'paddingRight')) +
toInt(dom.css(element, 'borderLeftWidth')) +
toInt(dom.css(element, 'borderRightWidth'));
};
exports.startScrolling = function (element, axis) {
cls.add(element, 'ps-in-scrolling');
if (typeof axis !== 'undefined') {
cls.add(element, 'ps-' + axis);
} else {
cls.add(element, 'ps-x');
cls.add(element, 'ps-y');
}
};
exports.stopScrolling = function (element, axis) {
cls.remove(element, 'ps-in-scrolling');
if (typeof axis !== 'undefined') {
cls.remove(element, 'ps-' + axis);
} else {
cls.remove(element, 'ps-x');
cls.remove(element, 'ps-y');
}
};
exports.env = {
isWebKit: 'WebkitAppearance' in document.documentElement.style,
supportsTouch: (('ontouchstart' in window) || window.DocumentTouch && document instanceof window.DocumentTouch),
supportsIePointer: window.navigator.msMaxTouchPoints !== null
};
},{"./class":2,"./dom":3}],7:[function(require,module,exports){
'use strict';
var destroy = require('./plugin/destroy');
var initialize = require('./plugin/initialize');
var update = require('./plugin/update');
module.exports = {
initialize: initialize,
update: update,
destroy: destroy
};
},{"./plugin/destroy":9,"./plugin/initialize":17,"./plugin/update":21}],8:[function(require,module,exports){
'use strict';
module.exports = {
handlers: ['click-rail', 'drag-scrollbar', 'keyboard', 'wheel', 'touch'],
maxScrollbarLength: null,
minScrollbarLength: null,
scrollXMarginOffset: 0,
scrollYMarginOffset: 0,
suppressScrollX: false,
suppressScrollY: false,
swipePropagation: true,
useBothWheelAxes: false,
wheelPropagation: false,
wheelSpeed: 1,
theme: 'default'
};
},{}],9:[function(require,module,exports){
'use strict';
var _ = require('../lib/helper');
var dom = require('../lib/dom');
var instances = require('./instances');
module.exports = function (element) {
var i = instances.get(element);
if (!i) {
return;
}
i.event.unbindAll();
dom.remove(i.scrollbarX);
dom.remove(i.scrollbarY);
dom.remove(i.scrollbarXRail);
dom.remove(i.scrollbarYRail);
_.removePsClasses(element);
instances.remove(element);
};
},{"../lib/dom":3,"../lib/helper":6,"./instances":18}],10:[function(require,module,exports){
'use strict';
var instances = require('../instances');
var updateGeometry = require('../update-geometry');
var updateScroll = require('../update-scroll');
function bindClickRailHandler(element, i) {
function pageOffset(el) {
return el.getBoundingClientRect();
}
var stopPropagation = function (e) { e.stopPropagation(); };
i.event.bind(i.scrollbarY, 'click', stopPropagation);
i.event.bind(i.scrollbarYRail, 'click', function (e) {
var positionTop = e.pageY - window.pageYOffset - pageOffset(i.scrollbarYRail).top;
var direction = positionTop > i.scrollbarYTop ? 1 : -1;
updateScroll(element, 'top', element.scrollTop + direction * i.containerHeight);
updateGeometry(element);
e.stopPropagation();
});
i.event.bind(i.scrollbarX, 'click', stopPropagation);
i.event.bind(i.scrollbarXRail, 'click', function (e) {
var positionLeft = e.pageX - window.pageXOffset - pageOffset(i.scrollbarXRail).left;
var direction = positionLeft > i.scrollbarXLeft ? 1 : -1;
updateScroll(element, 'left', element.scrollLeft + direction * i.containerWidth);
updateGeometry(element);
e.stopPropagation();
});
}
module.exports = function (element) {
var i = instances.get(element);
bindClickRailHandler(element, i);
};
},{"../instances":18,"../update-geometry":19,"../update-scroll":20}],11:[function(require,module,exports){
'use strict';
var _ = require('../../lib/helper');
var dom = require('../../lib/dom');
var instances = require('../instances');
var updateGeometry = require('../update-geometry');
var updateScroll = require('../update-scroll');
function bindMouseScrollXHandler(element, i) {
var currentLeft = null;
var currentPageX = null;
function updateScrollLeft(deltaX) {
var newLeft = currentLeft + (deltaX * i.railXRatio);
var maxLeft = Math.max(0, i.scrollbarXRail.getBoundingClientRect().left) + (i.railXRatio * (i.railXWidth - i.scrollbarXWidth));
if (newLeft < 0) {
i.scrollbarXLeft = 0;
} else if (newLeft > maxLeft) {
i.scrollbarXLeft = maxLeft;
} else {
i.scrollbarXLeft = newLeft;
}
var scrollLeft = _.toInt(i.scrollbarXLeft * (i.contentWidth - i.containerWidth) / (i.containerWidth - (i.railXRatio * i.scrollbarXWidth))) - i.negativeScrollAdjustment;
updateScroll(element, 'left', scrollLeft);
}
var mouseMoveHandler = function (e) {
updateScrollLeft(e.pageX - currentPageX);
updateGeometry(element);
e.stopPropagation();
e.preventDefault();
};
var mouseUpHandler = function () {
_.stopScrolling(element, 'x');
i.event.unbind(i.ownerDocument, 'mousemove', mouseMoveHandler);
};
i.event.bind(i.scrollbarX, 'mousedown', function (e) {
currentPageX = e.pageX;
currentLeft = _.toInt(dom.css(i.scrollbarX, 'left')) * i.railXRatio;
_.startScrolling(element, 'x');
i.event.bind(i.ownerDocument, 'mousemove', mouseMoveHandler);
i.event.once(i.ownerDocument, 'mouseup', mouseUpHandler);
e.stopPropagation();
e.preventDefault();
});
}
function bindMouseScrollYHandler(element, i) {
var currentTop = null;
var currentPageY = null;
function updateScrollTop(deltaY) {
var newTop = currentTop + (deltaY * i.railYRatio);
var maxTop = Math.max(0, i.scrollbarYRail.getBoundingClientRect().top) + (i.railYRatio * (i.railYHeight - i.scrollbarYHeight));
if (newTop < 0) {
i.scrollbarYTop = 0;
} else if (newTop > maxTop) {
i.scrollbarYTop = maxTop;
} else {
i.scrollbarYTop = newTop;
}
var scrollTop = _.toInt(i.scrollbarYTop * (i.contentHeight - i.containerHeight) / (i.containerHeight - (i.railYRatio * i.scrollbarYHeight)));
updateScroll(element, 'top', scrollTop);
}
var mouseMoveHandler = function (e) {
updateScrollTop(e.pageY - currentPageY);
updateGeometry(element);
e.stopPropagation();
e.preventDefault();
};
var mouseUpHandler = function () {
_.stopScrolling(element, 'y');
i.event.unbind(i.ownerDocument, 'mousemove', mouseMoveHandler);
};
i.event.bind(i.scrollbarY, 'mousedown', function (e) {
currentPageY = e.pageY;
currentTop = _.toInt(dom.css(i.scrollbarY, 'top')) * i.railYRatio;
_.startScrolling(element, 'y');
i.event.bind(i.ownerDocument, 'mousemove', mouseMoveHandler);
i.event.once(i.ownerDocument, 'mouseup', mouseUpHandler);
e.stopPropagation();
e.preventDefault();
});
}
module.exports = function (element) {
var i = instances.get(element);
bindMouseScrollXHandler(element, i);
bindMouseScrollYHandler(element, i);
};
},{"../../lib/dom":3,"../../lib/helper":6,"../instances":18,"../update-geometry":19,"../update-scroll":20}],12:[function(require,module,exports){
'use strict';
var _ = require('../../lib/helper');
var dom = require('../../lib/dom');
var instances = require('../instances');
var updateGeometry = require('../update-geometry');
var updateScroll = require('../update-scroll');
function bindKeyboardHandler(element, i) {
var hovered = false;
i.event.bind(element, 'mouseenter', function () {
hovered = true;
});
i.event.bind(element, 'mouseleave', function () {
hovered = false;
});
var shouldPrevent = false;
function shouldPreventDefault(deltaX, deltaY) {
var scrollTop = element.scrollTop;
if (deltaX === 0) {
if (!i.scrollbarYActive) {
return false;
}
if ((scrollTop === 0 && deltaY > 0) || (scrollTop >= i.contentHeight - i.containerHeight && deltaY < 0)) {
return !i.settings.wheelPropagation;
}
}
var scrollLeft = element.scrollLeft;
if (deltaY === 0) {
if (!i.scrollbarXActive) {
return false;
}
if ((scrollLeft === 0 && deltaX < 0) || (scrollLeft >= i.contentWidth - i.containerWidth && deltaX > 0)) {
return !i.settings.wheelPropagation;
}
}
return true;
}
i.event.bind(i.ownerDocument, 'keydown', function (e) {
if ((e.isDefaultPrevented && e.isDefaultPrevented()) || e.defaultPrevented) {
return;
}
var focused = dom.matches(i.scrollbarX, ':focus') ||
dom.matches(i.scrollbarY, ':focus');
if (!hovered && !focused) {
return;
}
var activeElement = document.activeElement ? document.activeElement : i.ownerDocument.activeElement;
if (activeElement) {
if (activeElement.tagName === 'IFRAME') {
activeElement = activeElement.contentDocument.activeElement;
} else {
// go deeper if element is a webcomponent
while (activeElement.shadowRoot) {
activeElement = activeElement.shadowRoot.activeElement;
}
}
if (_.isEditable(activeElement)) {
return;
}
}
var deltaX = 0;
var deltaY = 0;
switch (e.which) {
case 37: // left
if (e.metaKey) {
deltaX = -i.contentWidth;
} else if (e.altKey) {
deltaX = -i.containerWidth;
} else {
deltaX = -30;
}
break;
case 38: // up
if (e.metaKey) {
deltaY = i.contentHeight;
} else if (e.altKey) {
deltaY = i.containerHeight;
} else {
deltaY = 30;
}
break;
case 39: // right
if (e.metaKey) {
deltaX = i.contentWidth;
} else if (e.altKey) {
deltaX = i.containerWidth;
} else {
deltaX = 30;
}
break;
case 40: // down
if (e.metaKey) {
deltaY = -i.contentHeight;
} else if (e.altKey) {
deltaY = -i.containerHeight;
} else {
deltaY = -30;
}
break;
case 33: // page up
deltaY = 90;
break;
case 32: // space bar
if (e.shiftKey) {
deltaY = 90;
} else {
deltaY = -90;
}
break;
case 34: // page down
deltaY = -90;
break;
case 35: // end
if (e.ctrlKey) {
deltaY = -i.contentHeight;
} else {
deltaY = -i.containerHeight;
}
break;
case 36: // home
if (e.ctrlKey) {
deltaY = element.scrollTop;
} else {
deltaY = i.containerHeight;
}
break;
default:
return;
}
updateScroll(element, 'top', element.scrollTop - deltaY);
updateScroll(element, 'left', element.scrollLeft + deltaX);
updateGeometry(element);
shouldPrevent = shouldPreventDefault(deltaX, deltaY);
if (shouldPrevent) {
e.preventDefault();
}
});
}
module.exports = function (element) {
var i = instances.get(element);
bindKeyboardHandler(element, i);
};
},{"../../lib/dom":3,"../../lib/helper":6,"../instances":18,"../update-geometry":19,"../update-scroll":20}],13:[function(require,module,exports){
'use strict';
var instances = require('../instances');
var updateGeometry = require('../update-geometry');
var updateScroll = require('../update-scroll');
function bindMouseWheelHandler(element, i) {
var shouldPrevent = false;
function shouldPreventDefault(deltaX, deltaY) {
var scrollTop = element.scrollTop;
if (deltaX === 0) {
if (!i.scrollbarYActive) {
return false;
}
if ((scrollTop === 0 && deltaY > 0) || (scrollTop >= i.contentHeight - i.containerHeight && deltaY < 0)) {
return !i.settings.wheelPropagation;
}
}
var scrollLeft = element.scrollLeft;
if (deltaY === 0) {
if (!i.scrollbarXActive) {
return false;
}
if ((scrollLeft === 0 && deltaX < 0) || (scrollLeft >= i.contentWidth - i.containerWidth && deltaX > 0)) {
return !i.settings.wheelPropagation;
}
}
return true;
}
function getDeltaFromEvent(e) {
var deltaX = e.deltaX;
var deltaY = -1 * e.deltaY;
if (typeof deltaX === "undefined" || typeof deltaY === "undefined") {
// OS X Safari
deltaX = -1 * e.wheelDeltaX / 6;
deltaY = e.wheelDeltaY / 6;
}
if (e.deltaMode && e.deltaMode === 1) {
// Firefox in deltaMode 1: Line scrolling
deltaX *= 10;
deltaY *= 10;
}
if (deltaX !== deltaX && deltaY !== deltaY/* NaN checks */) {
// IE in some mouse drivers
deltaX = 0;
deltaY = e.wheelDelta;
}
if (e.shiftKey) {
// reverse axis with shift key
return [-deltaY, -deltaX];
}
return [deltaX, deltaY];
}
function shouldBeConsumedByChild(deltaX, deltaY) {
var child = element.querySelector('textarea:hover, select[multiple]:hover, .ps-child:hover');
if (child) {
if (!window.getComputedStyle(child).overflow.match(/(scroll|auto)/)) {
// if not scrollable
return false;
}
var maxScrollTop = child.scrollHeight - child.clientHeight;
if (maxScrollTop > 0) {
if (!(child.scrollTop === 0 && deltaY > 0) && !(child.scrollTop === maxScrollTop && deltaY < 0)) {
return true;
}
}
var maxScrollLeft = child.scrollLeft - child.clientWidth;
if (maxScrollLeft > 0) {
if (!(child.scrollLeft === 0 && deltaX < 0) && !(child.scrollLeft === maxScrollLeft && deltaX > 0)) {
return true;
}
}
}
return false;
}
function mousewheelHandler(e) {
var delta = getDeltaFromEvent(e);
var deltaX = delta[0];
var deltaY = delta[1];
if (shouldBeConsumedByChild(deltaX, deltaY)) {
return;
}
shouldPrevent = false;
if (!i.settings.useBothWheelAxes) {
// deltaX will only be used for horizontal scrolling and deltaY will
// only be used for vertical scrolling - this is the default
updateScroll(element, 'top', element.scrollTop - (deltaY * i.settings.wheelSpeed));
updateScroll(element, 'left', element.scrollLeft + (deltaX * i.settings.wheelSpeed));
} else if (i.scrollbarYActive && !i.scrollbarXActive) {
// only vertical scrollbar is active and useBothWheelAxes option is
// active, so let's scroll vertical bar using both mouse wheel axes
if (deltaY) {
updateScroll(element, 'top', element.scrollTop - (deltaY * i.settings.wheelSpeed));
} else {
updateScroll(element, 'top', element.scrollTop + (deltaX * i.settings.wheelSpeed));
}
shouldPrevent = true;
} else if (i.scrollbarXActive && !i.scrollbarYActive) {
// useBothWheelAxes and only horizontal bar is active, so use both
// wheel axes for horizontal bar
if (deltaX) {
updateScroll(element, 'left', element.scrollLeft + (deltaX * i.settings.wheelSpeed));
} else {
updateScroll(element, 'left', element.scrollLeft - (deltaY * i.settings.wheelSpeed));
}
shouldPrevent = true;
}
updateGeometry(element);
shouldPrevent = (shouldPrevent || shouldPreventDefault(deltaX, deltaY));
if (shouldPrevent) {
e.stopPropagation();
e.preventDefault();
}
}
if (typeof window.onwheel !== "undefined") {
i.event.bind(element, 'wheel', mousewheelHandler);
} else if (typeof window.onmousewheel !== "undefined") {
i.event.bind(element, 'mousewheel', mousewheelHandler);
}
}
module.exports = function (element) {
var i = instances.get(element);
bindMouseWheelHandler(element, i);
};
},{"../instances":18,"../update-geometry":19,"../update-scroll":20}],14:[function(require,module,exports){
'use strict';
var instances = require('../instances');
var updateGeometry = require('../update-geometry');
function bindNativeScrollHandler(element, i) {
i.event.bind(element, 'scroll', function () {
updateGeometry(element);
});
}
module.exports = function (element) {
var i = instances.get(element);
bindNativeScrollHandler(element, i);
};
},{"../instances":18,"../update-geometry":19}],15:[function(require,module,exports){
'use strict';
var _ = require('../../lib/helper');
var instances = require('../instances');
var updateGeometry = require('../update-geometry');
var updateScroll = require('../update-scroll');
function bindSelectionHandler(element, i) {
function getRangeNode() {
var selection = window.getSelection ? window.getSelection() :
document.getSelection ? document.getSelection() : '';
if (selection.toString().length === 0) {
return null;
} else {
return selection.getRangeAt(0).commonAncestorContainer;
}
}
var scrollingLoop = null;
var scrollDiff = {top: 0, left: 0};
function startScrolling() {
if (!scrollingLoop) {
scrollingLoop = setInterval(function () {
if (!instances.get(element)) {
clearInterval(scrollingLoop);
return;
}
updateScroll(element, 'top', element.scrollTop + scrollDiff.top);
updateScroll(element, 'left', element.scrollLeft + scrollDiff.left);
updateGeometry(element);
}, 50); // every .1 sec
}
}
function stopScrolling() {
if (scrollingLoop) {
clearInterval(scrollingLoop);
scrollingLoop = null;
}
_.stopScrolling(element);
}
var isSelected = false;
i.event.bind(i.ownerDocument, 'selectionchange', function () {
if (element.contains(getRangeNode())) {
isSelected = true;
} else {
isSelected = false;
stopScrolling();
}
});
i.event.bind(window, 'mouseup', function () {
if (isSelected) {
isSelected = false;
stopScrolling();
}
});
i.event.bind(window, 'keyup', function () {
if (isSelected) {
isSelected = false;
stopScrolling();
}
});
i.event.bind(window, 'mousemove', function (e) {
if (isSelected) {
var mousePosition = {x: e.pageX, y: e.pageY};
var containerGeometry = {
left: element.offsetLeft,
right: element.offsetLeft + element.offsetWidth,
top: element.offsetTop,
bottom: element.offsetTop + element.offsetHeight
};
if (mousePosition.x < containerGeometry.left + 3) {
scrollDiff.left = -5;
_.startScrolling(element, 'x');
} else if (mousePosition.x > containerGeometry.right - 3) {
scrollDiff.left = 5;
_.startScrolling(element, 'x');
} else {
scrollDiff.left = 0;
}
if (mousePosition.y < containerGeometry.top + 3) {
if (containerGeometry.top + 3 - mousePosition.y < 5) {
scrollDiff.top = -5;
} else {
scrollDiff.top = -20;
}
_.startScrolling(element, 'y');
} else if (mousePosition.y > containerGeometry.bottom - 3) {
if (mousePosition.y - containerGeometry.bottom + 3 < 5) {
scrollDiff.top = 5;
} else {
scrollDiff.top = 20;
}
_.startScrolling(element, 'y');
} else {
scrollDiff.top = 0;
}
if (scrollDiff.top === 0 && scrollDiff.left === 0) {
stopScrolling();
} else {
startScrolling();
}
}
});
}
module.exports = function (element) {
var i = instances.get(element);
bindSelectionHandler(element, i);
};
},{"../../lib/helper":6,"../instances":18,"../update-geometry":19,"../update-scroll":20}],16:[function(require,module,exports){
'use strict';
var _ = require('../../lib/helper');
var instances = require('../instances');
var updateGeometry = require('../update-geometry');
var updateScroll = require('../update-scroll');
function bindTouchHandler(element, i, supportsTouch, supportsIePointer) {
function shouldPreventDefault(deltaX, deltaY) {
var scrollTop = element.scrollTop;
var scrollLeft = element.scrollLeft;
var magnitudeX = Math.abs(deltaX);
var magnitudeY = Math.abs(deltaY);
if (magnitudeY > magnitudeX) {
// user is perhaps trying to swipe up/down the page
if (((deltaY < 0) && (scrollTop === i.contentHeight - i.containerHeight)) ||
((deltaY > 0) && (scrollTop === 0))) {
return !i.settings.swipePropagation;
}
} else if (magnitudeX > magnitudeY) {
// user is perhaps trying to swipe left/right across the page
if (((deltaX < 0) && (scrollLeft === i.contentWidth - i.containerWidth)) ||
((deltaX > 0) && (scrollLeft === 0))) {
return !i.settings.swipePropagation;
}
}
return true;
}
function applyTouchMove(differenceX, differenceY) {
updateScroll(element, 'top', element.scrollTop - differenceY);
updateScroll(element, 'left', element.scrollLeft - differenceX);
updateGeometry(element);
}
var startOffset = {};
var startTime = 0;
var speed = {};
var easingLoop = null;
var inGlobalTouch = false;
var inLocalTouch = false;
function globalTouchStart() {
inGlobalTouch = true;
}
function globalTouchEnd() {
inGlobalTouch = false;
}
function getTouch(e) {
if (e.targetTouches) {
return e.targetTouches[0];
} else {
// Maybe IE pointer
return e;
}
}
function shouldHandle(e) {
if (e.targetTouches && e.targetTouches.length === 1) {
return true;
}
if (e.pointerType && e.pointerType !== 'mouse' && e.pointerType !== e.MSPOINTER_TYPE_MOUSE) {
return true;
}
return false;
}
function touchStart(e) {
if (shouldHandle(e)) {
inLocalTouch = true;
var touch = getTouch(e);
startOffset.pageX = touch.pageX;
startOffset.pageY = touch.pageY;
startTime = (new Date()).getTime();
if (easingLoop !== null) {
clearInterval(easingLoop);
}
e.stopPropagation();
}
}
function touchMove(e) {
if (!inLocalTouch && i.settings.swipePropagation) {
touchStart(e);
}
if (!inGlobalTouch && inLocalTouch && shouldHandle(e)) {
var touch = getTouch(e);
var currentOffset = {pageX: touch.pageX, pageY: touch.pageY};
var differenceX = currentOffset.pageX - startOffset.pageX;
var differenceY = currentOffset.pageY - startOffset.pageY;
applyTouchMove(differenceX, differenceY);
startOffset = currentOffset;
var currentTime = (new Date()).getTime();
var timeGap = currentTime - startTime;
if (timeGap > 0) {
speed.x = differenceX / timeGap;
speed.y = differenceY / timeGap;
startTime = currentTime;
}
if (shouldPreventDefault(differenceX, differenceY)) {
e.stopPropagation();
e.preventDefault();
}
}
}
function touchEnd() {
if (!inGlobalTouch && inLocalTouch) {
inLocalTouch = false;
clearInterval(easingLoop);
easingLoop = setInterval(function () {
if (!instances.get(element)) {
clearInterval(easingLoop);
return;
}
if (!speed.x && !speed.y) {
clearInterval(easingLoop);
return;
}
if (Math.abs(speed.x) < 0.01 && Math.abs(speed.y) < 0.01) {
clearInterval(easingLoop);
return;
}
applyTouchMove(speed.x * 30, speed.y * 30);
speed.x *= 0.8;
speed.y *= 0.8;
}, 10);
}
}
if (supportsTouch) {
i.event.bind(window, 'touchstart', globalTouchStart);
i.event.bind(window, 'touchend', globalTouchEnd);
i.event.bind(element, 'touchstart', touchStart);
i.event.bind(element, 'touchmove', touchMove);
i.event.bind(element, 'touchend', touchEnd);
} else if (supportsIePointer) {
if (window.PointerEvent) {
i.event.bind(window, 'pointerdown', globalTouchStart);
i.event.bind(window, 'pointerup', globalTouchEnd);
i.event.bind(element, 'pointerdown', touchStart);
i.event.bind(element, 'pointermove', touchMove);
i.event.bind(element, 'pointerup', touchEnd);
} else if (window.MSPointerEvent) {
i.event.bind(window, 'MSPointerDown', globalTouchStart);
i.event.bind(window, 'MSPointerUp', globalTouchEnd);
i.event.bind(element, 'MSPointerDown', touchStart);
i.event.bind(element, 'MSPointerMove', touchMove);
i.event.bind(element, 'MSPointerUp', touchEnd);
}
}
}
module.exports = function (element) {
if (!_.env.supportsTouch && !_.env.supportsIePointer) {
return;
}
var i = instances.get(element);
bindTouchHandler(element, i, _.env.supportsTouch, _.env.supportsIePointer);
};
},{"../../lib/helper":6,"../instances":18,"../update-geometry":19,"../update-scroll":20}],17:[function(require,module,exports){
'use strict';
var _ = require('../lib/helper');
var cls = require('../lib/class');
var instances = require('./instances');
var updateGeometry = require('./update-geometry');
// Handlers
var handlers = {
'click-rail': require('./handler/click-rail'),
'drag-scrollbar': require('./handler/drag-scrollbar'),
'keyboard': require('./handler/keyboard'),
'wheel': require('./handler/mouse-wheel'),
'touch': require('./handler/touch'),
'selection': require('./handler/selection')
};
var nativeScrollHandler = require('./handler/native-scroll');
module.exports = function (element, userSettings) {
userSettings = typeof userSettings === 'object' ? userSettings : {};
cls.add(element, 'ps-container');
// Create a plugin instance.
var i = instances.add(element);
i.settings = _.extend(i.settings, userSettings);
cls.add(element, 'ps-theme-' + i.settings.theme);
i.settings.handlers.forEach(function (handlerName) {
handlers[handlerName](element);
});
nativeScrollHandler(element);
updateGeometry(element);
};
},{"../lib/class":2,"../lib/helper":6,"./handler/click-rail":10,"./handler/drag-scrollbar":11,"./handler/keyboard":12,"./handler/mouse-wheel":13,"./handler/native-scroll":14,"./handler/selection":15,"./handler/touch":16,"./instances":18,"./update-geometry":19}],18:[function(require,module,exports){
'use strict';
var _ = require('../lib/helper');
var cls = require('../lib/class');
var defaultSettings = require('./default-setting');
var dom = require('../lib/dom');
var EventManager = require('../lib/event-manager');
var guid = require('../lib/guid');
var instances = {};
function Instance(element) {
var i = this;
i.settings = _.clone(defaultSettings);
i.containerWidth = null;
i.containerHeight = null;
i.contentWidth = null;
i.contentHeight = null;
i.isRtl = dom.css(element, 'direction') === "rtl";
i.isNegativeScroll = (function () {
var originalScrollLeft = element.scrollLeft;
var result = null;
element.scrollLeft = -1;
result = element.scrollLeft < 0;
element.scrollLeft = originalScrollLeft;
return result;
})();
i.negativeScrollAdjustment = i.isNegativeScroll ? element.scrollWidth - element.clientWidth : 0;
i.event = new EventManager();
i.ownerDocument = element.ownerDocument || document;
function focus() {
cls.add(element, 'ps-focus');
}
function blur() {
cls.remove(element, 'ps-focus');
}
i.scrollbarXRail = dom.appendTo(dom.e('div', 'ps-scrollbar-x-rail'), element);
i.scrollbarX = dom.appendTo(dom.e('div', 'ps-scrollbar-x'), i.scrollbarXRail);
i.scrollbarX.setAttribute('tabindex', 0);
i.event.bind(i.scrollbarX, 'focus', focus);
i.event.bind(i.scrollbarX, 'blur', blur);
i.scrollbarXActive = null;
i.scrollbarXWidth = null;
i.scrollbarXLeft = null;
i.scrollbarXBottom = _.toInt(dom.css(i.scrollbarXRail, 'bottom'));
i.isScrollbarXUsingBottom = i.scrollbarXBottom === i.scrollbarXBottom; // !isNaN
i.scrollbarXTop = i.isScrollbarXUsingBottom ? null : _.toInt(dom.css(i.scrollbarXRail, 'top'));
i.railBorderXWidth = _.toInt(dom.css(i.scrollbarXRail, 'borderLeftWidth')) + _.toInt(dom.css(i.scrollbarXRail, 'borderRightWidth'));
// Set rail to display:block to calculate margins
dom.css(i.scrollbarXRail, 'display', 'block');
i.railXMarginWidth = _.toInt(dom.css(i.scrollbarXRail, 'marginLeft')) + _.toInt(dom.css(i.scrollbarXRail, 'marginRight'));
dom.css(i.scrollbarXRail, 'display', '');
i.railXWidth = null;
i.railXRatio = null;
i.scrollbarYRail = dom.appendTo(dom.e('div', 'ps-scrollbar-y-rail'), element);
i.scrollbarY = dom.appendTo(dom.e('div', 'ps-scrollbar-y'), i.scrollbarYRail);
i.scrollbarY.setAttribute('tabindex', 0);
i.event.bind(i.scrollbarY, 'focus', focus);
i.event.bind(i.scrollbarY, 'blur', blur);
i.scrollbarYActive = null;
i.scrollbarYHeight = null;
i.scrollbarYTop = null;
i.scrollbarYRight = _.toInt(dom.css(i.scrollbarYRail, 'right'));
i.isScrollbarYUsingRight = i.scrollbarYRight === i.scrollbarYRight; // !isNaN
i.scrollbarYLeft = i.isScrollbarYUsingRight ? null : _.toInt(dom.css(i.scrollbarYRail, 'left'));
i.scrollbarYOuterWidth = i.isRtl ? _.outerWidth(i.scrollbarY) : null;
i.railBorderYWidth = _.toInt(dom.css(i.scrollbarYRail, 'borderTopWidth')) + _.toInt(dom.css(i.scrollbarYRail, 'borderBottomWidth'));
dom.css(i.scrollbarYRail, 'display', 'block');
i.railYMarginHeight = _.toInt(dom.css(i.scrollbarYRail, 'marginTop')) + _.toInt(dom.css(i.scrollbarYRail, 'marginBottom'));
dom.css(i.scrollbarYRail, 'display', '');
i.railYHeight = null;
i.railYRatio = null;
}
function getId(element) {
return element.getAttribute('data-ps-id');
}
function setId(element, id) {
element.setAttribute('data-ps-id', id);
}
function removeId(element) {
element.removeAttribute('data-ps-id');
}
exports.add = function (element) {
var newId = guid();
setId(element, newId);
instances[newId] = new Instance(element);
return instances[newId];
};
exports.remove = function (element) {
delete instances[getId(element)];
removeId(element);
};
exports.get = function (element) {
return instances[getId(element)];
};
},{"../lib/class":2,"../lib/dom":3,"../lib/event-manager":4,"../lib/guid":5,"../lib/helper":6,"./default-setting":8}],19:[function(require,module,exports){
'use strict';
var _ = require('../lib/helper');
var cls = require('../lib/class');
var dom = require('../lib/dom');
var instances = require('./instances');
var updateScroll = require('./update-scroll');
function getThumbSize(i, thumbSize) {
if (i.settings.minScrollbarLength) {
thumbSize = Math.max(thumbSize, i.settings.minScrollbarLength);
}
if (i.settings.maxScrollbarLength) {
thumbSize = Math.min(thumbSize, i.settings.maxScrollbarLength);
}
return thumbSize;
}
function updateCss(element, i) {
var xRailOffset = {width: i.railXWidth};
if (i.isRtl) {
xRailOffset.left = i.negativeScrollAdjustment + element.scrollLeft + i.containerWidth - i.contentWidth;
} else {
xRailOffset.left = element.scrollLeft;
}
if (i.isScrollbarXUsingBottom) {
xRailOffset.bottom = i.scrollbarXBottom - element.scrollTop;
} else {
xRailOffset.top = i.scrollbarXTop + element.scrollTop;
}
dom.css(i.scrollbarXRail, xRailOffset);
var yRailOffset = {top: element.scrollTop, height: i.railYHeight};
if (i.isScrollbarYUsingRight) {
if (i.isRtl) {
yRailOffset.right = i.contentWidth - (i.negativeScrollAdjustment + element.scrollLeft) - i.scrollbarYRight - i.scrollbarYOuterWidth;
} else {
yRailOffset.right = i.scrollbarYRight - element.scrollLeft;
}
} else {
if (i.isRtl) {
yRailOffset.left = i.negativeScrollAdjustment + element.scrollLeft + i.containerWidth * 2 - i.contentWidth - i.scrollbarYLeft - i.scrollbarYOuterWidth;
} else {
yRailOffset.left = i.scrollbarYLeft + element.scrollLeft;
}
}
dom.css(i.scrollbarYRail, yRailOffset);
dom.css(i.scrollbarX, {left: i.scrollbarXLeft, width: i.scrollbarXWidth - i.railBorderXWidth});
dom.css(i.scrollbarY, {top: i.scrollbarYTop, height: i.scrollbarYHeight - i.railBorderYWidth});
}
module.exports = function (element) {
var i = instances.get(element);
i.containerWidth = element.clientWidth;
i.containerHeight = element.clientHeight;
i.contentWidth = element.scrollWidth;
i.contentHeight = element.scrollHeight;
var existingRails;
if (!element.contains(i.scrollbarXRail)) {
existingRails = dom.queryChildren(element, '.ps-scrollbar-x-rail');
if (existingRails.length > 0) {
existingRails.forEach(function (rail) {
dom.remove(rail);
});
}
dom.appendTo(i.scrollbarXRail, element);
}
if (!element.contains(i.scrollbarYRail)) {
existingRails = dom.queryChildren(element, '.ps-scrollbar-y-rail');
if (existingRails.length > 0) {
existingRails.forEach(function (rail) {
dom.remove(rail);
});
}
dom.appendTo(i.scrollbarYRail, element);
}
if (!i.settings.suppressScrollX && i.containerWidth + i.settings.scrollXMarginOffset < i.contentWidth) {
i.scrollbarXActive = true;
i.railXWidth = i.containerWidth - i.railXMarginWidth;
i.railXRatio = i.containerWidth / i.railXWidth;
i.scrollbarXWidth = getThumbSize(i, _.toInt(i.railXWidth * i.containerWidth / i.contentWidth));
i.scrollbarXLeft = _.toInt((i.negativeScrollAdjustment + element.scrollLeft) * (i.railXWidth - i.scrollbarXWidth) / (i.contentWidth - i.containerWidth));
} else {
i.scrollbarXActive = false;
}
if (!i.settings.suppressScrollY && i.containerHeight + i.settings.scrollYMarginOffset < i.contentHeight) {
i.scrollbarYActive = true;
i.railYHeight = i.containerHeight - i.railYMarginHeight;
i.railYRatio = i.containerHeight / i.railYHeight;
i.scrollbarYHeight = getThumbSize(i, _.toInt(i.railYHeight * i.containerHeight / i.contentHeight));
i.scrollbarYTop = _.toInt(element.scrollTop * (i.railYHeight - i.scrollbarYHeight) / (i.contentHeight - i.containerHeight));
} else {
i.scrollbarYActive = false;
}
if (i.scrollbarXLeft >= i.railXWidth - i.scrollbarXWidth) {
i.scrollbarXLeft = i.railXWidth - i.scrollbarXWidth;
}
if (i.scrollbarYTop >= i.railYHeight - i.scrollbarYHeight) {
i.scrollbarYTop = i.railYHeight - i.scrollbarYHeight;
}
updateCss(element, i);
if (i.scrollbarXActive) {
cls.add(element, 'ps-active-x');
} else {
cls.remove(element, 'ps-active-x');
i.scrollbarXWidth = 0;
i.scrollbarXLeft = 0;
updateScroll(element, 'left', 0);
}
if (i.scrollbarYActive) {
cls.add(element, 'ps-active-y');
} else {
cls.remove(element, 'ps-active-y');
i.scrollbarYHeight = 0;
i.scrollbarYTop = 0;
updateScroll(element, 'top', 0);
}
};
},{"../lib/class":2,"../lib/dom":3,"../lib/helper":6,"./instances":18,"./update-scroll":20}],20:[function(require,module,exports){
'use strict';
var instances = require('./instances');
var lastTop;
var lastLeft;
var createDOMEvent = function (name) {
var event = document.createEvent("Event");
event.initEvent(name, true, true);
return event;
};
module.exports = function (element, axis, value) {
if (typeof element === 'undefined') {
throw 'You must provide an element to the update-scroll function';
}
if (typeof axis === 'undefined') {
throw 'You must provide an axis to the update-scroll function';
}
if (typeof value === 'undefined') {
throw 'You must provide a value to the update-scroll function';
}
if (axis === 'top' && value <= 0) {
element.scrollTop = value = 0; // don't allow negative scroll
element.dispatchEvent(createDOMEvent('ps-y-reach-start'));
}
if (axis === 'left' && value <= 0) {
element.scrollLeft = value = 0; // don't allow negative scroll
element.dispatchEvent(createDOMEvent('ps-x-reach-start'));
}
var i = instances.get(element);
if (axis === 'top' && value >= i.contentHeight - i.containerHeight) {
// don't allow scroll past container
value = i.contentHeight - i.containerHeight;
if (value - element.scrollTop <= 1) {
// mitigates rounding errors on non-subpixel scroll values
value = element.scrollTop;
} else {
element.scrollTop = value;
}
element.dispatchEvent(createDOMEvent('ps-y-reach-end'));
}
if (axis === 'left' && value >= i.contentWidth - i.containerWidth) {
// don't allow scroll past container
value = i.contentWidth - i.containerWidth;
if (value - element.scrollLeft <= 1) {
// mitigates rounding errors on non-subpixel scroll values
value = element.scrollLeft;
} else {
element.scrollLeft = value;
}
element.dispatchEvent(createDOMEvent('ps-x-reach-end'));
}
if (!lastTop) {
lastTop = element.scrollTop;
}
if (!lastLeft) {
lastLeft = element.scrollLeft;
}
if (axis === 'top' && value < lastTop) {
element.dispatchEvent(createDOMEvent('ps-scroll-up'));
}
if (axis === 'top' && value > lastTop) {
element.dispatchEvent(createDOMEvent('ps-scroll-down'));
}
if (axis === 'left' && value < lastLeft) {
element.dispatchEvent(createDOMEvent('ps-scroll-left'));
}
if (axis === 'left' && value > lastLeft) {
element.dispatchEvent(createDOMEvent('ps-scroll-right'));
}
if (axis === 'top') {
element.scrollTop = lastTop = value;
element.dispatchEvent(createDOMEvent('ps-scroll-y'));
}
if (axis === 'left') {
element.scrollLeft = lastLeft = value;
element.dispatchEvent(createDOMEvent('ps-scroll-x'));
}
};
},{"./instances":18}],21:[function(require,module,exports){
'use strict';
var _ = require('../lib/helper');
var dom = require('../lib/dom');
var instances = require('./instances');
var updateGeometry = require('./update-geometry');
var updateScroll = require('./update-scroll');
module.exports = function (element) {
var i = instances.get(element);
if (!i) {
return;
}
// Recalcuate negative scrollLeft adjustment
i.negativeScrollAdjustment = i.isNegativeScroll ? element.scrollWidth - element.clientWidth : 0;
// Recalculate rail margins
dom.css(i.scrollbarXRail, 'display', 'block');
dom.css(i.scrollbarYRail, 'display', 'block');
i.railXMarginWidth = _.toInt(dom.css(i.scrollbarXRail, 'marginLeft')) + _.toInt(dom.css(i.scrollbarXRail, 'marginRight'));
i.railYMarginHeight = _.toInt(dom.css(i.scrollbarYRail, 'marginTop')) + _.toInt(dom.css(i.scrollbarYRail, 'marginBottom'));
// Hide scrollbars not to affect scrollWidth and scrollHeight
dom.css(i.scrollbarXRail, 'display', 'none');
dom.css(i.scrollbarYRail, 'display', 'none');
updateGeometry(element);
// Update top/left scroll to trigger events
updateScroll(element, 'top', element.scrollTop);
updateScroll(element, 'left', element.scrollLeft);
dom.css(i.scrollbarXRail, 'display', '');
dom.css(i.scrollbarYRail, 'display', '');
};
},{"../lib/dom":3,"../lib/helper":6,"./instances":18,"./update-geometry":19,"./update-scroll":20}]},{},[1]);
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