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-
-/*! nanoScrollerJS - v0.7.6 - 2013
-* http://jamesflorentino.github.com/nanoScrollerJS/
-* Copyright (c) 2013 James Florentino; Licensed MIT */
-(function($, window, document) {
- "use strict";
- var BROWSER_IS_IE7, BROWSER_SCROLLBAR_WIDTH, DOMSCROLL, DOWN, DRAG, KEYDOWN, KEYUP, MOUSEDOWN, MOUSEMOVE, MOUSEUP, MOUSEWHEEL, NanoScroll, PANEDOWN, RESIZE, SCROLL, SCROLLBAR, TOUCHMOVE, UP, WHEEL, cAF, defaults, getBrowserScrollbarWidth, hasTransform, isFFWithBuggyScrollbar, rAF, transform, _elementStyle, _prefixStyle, _vendor;
- defaults = {
- /**
- a classname for the pane element.
- @property paneClass
- @type String
- @default 'pane'
- */
-
- paneClass: 'pane',
- /**
- a classname for the slider element.
- @property sliderClass
- @type String
- @default 'slider'
- */
-
- sliderClass: 'slider',
- /**
- a classname for the content element.
- @property contentClass
- @type String
- @default 'content'
- */
-
- contentClass: 'content',
- /**
- a setting to enable native scrolling in iOS devices.
- @property iOSNativeScrolling
- @type Boolean
- @default false
- */
-
- iOSNativeScrolling: false,
- /**
- a setting to prevent the rest of the page being
- scrolled when user scrolls the `.content` element.
- @property preventPageScrolling
- @type Boolean
- @default false
- */
-
- preventPageScrolling: false,
- /**
- a setting to disable binding to the resize event.
- @property disableResize
- @type Boolean
- @default false
- */
-
- disableResize: false,
- /**
- a setting to make the scrollbar always visible.
- @property alwaysVisible
- @type Boolean
- @default false
- */
-
- alwaysVisible: false,
- /**
- a default timeout for the `flash()` method.
- @property flashDelay
- @type Number
- @default 1500
- */
-
- flashDelay: 1500,
- /**
- a minimum height for the `.slider` element.
- @property sliderMinHeight
- @type Number
- @default 20
- */
-
- sliderMinHeight: 20,
- /**
- a maximum height for the `.slider` element.
- @property sliderMaxHeight
- @type Number
- @default null
- */
-
- sliderMaxHeight: null,
- /**
- an alternate document context.
- @property documentContext
- @type Document
- @default null
- */
-
- documentContext: null,
- /**
- an alternate window context.
- @property windowContext
- @type Window
- @default null
- */
-
- windowContext: null
- };
- /**
- @property SCROLLBAR
- @type String
- @static
- @final
- @private
- */
-
- SCROLLBAR = 'scrollbar';
- /**
- @property SCROLL
- @type String
- @static
- @final
- @private
- */
-
- SCROLL = 'scroll';
- /**
- @property MOUSEDOWN
- @type String
- @final
- @private
- */
-
- MOUSEDOWN = 'mousedown';
- /**
- @property MOUSEMOVE
- @type String
- @static
- @final
- @private
- */
-
- MOUSEMOVE = 'mousemove';
- /**
- @property MOUSEWHEEL
- @type String
- @final
- @private
- */
-
- MOUSEWHEEL = 'mousewheel';
- /**
- @property MOUSEUP
- @type String
- @static
- @final
- @private
- */
-
- MOUSEUP = 'mouseup';
- /**
- @property RESIZE
- @type String
- @final
- @private
- */
-
- RESIZE = 'resize';
- /**
- @property DRAG
- @type String
- @static
- @final
- @private
- */
-
- DRAG = 'drag';
- /**
- @property UP
- @type String
- @static
- @final
- @private
- */
-
- UP = 'up';
- /**
- @property PANEDOWN
- @type String
- @static
- @final
- @private
- */
-
- PANEDOWN = 'panedown';
- /**
- @property DOMSCROLL
- @type String
- @static
- @final
- @private
- */
-
- DOMSCROLL = 'DOMMouseScroll';
- /**
- @property DOWN
- @type String
- @static
- @final
- @private
- */
-
- DOWN = 'down';
- /**
- @property WHEEL
- @type String
- @static
- @final
- @private
- */
-
- WHEEL = 'wheel';
- /**
- @property KEYDOWN
- @type String
- @static
- @final
- @private
- */
-
- KEYDOWN = 'keydown';
- /**
- @property KEYUP
- @type String
- @static
- @final
- @private
- */
-
- KEYUP = 'keyup';
- /**
- @property TOUCHMOVE
- @type String
- @static
- @final
- @private
- */
-
- TOUCHMOVE = 'touchmove';
- /**
- @property BROWSER_IS_IE7
- @type Boolean
- @static
- @final
- @private
- */
-
- BROWSER_IS_IE7 = window.navigator.appName === 'Microsoft Internet Explorer' && /msie 7./i.test(window.navigator.appVersion) && window.ActiveXObject;
- /**
- @property BROWSER_SCROLLBAR_WIDTH
- @type Number
- @static
- @default null
- @private
- */
-
- BROWSER_SCROLLBAR_WIDTH = null;
- rAF = window.requestAnimationFrame;
- cAF = window.cancelAnimationFrame;
- _elementStyle = document.createElement('div').style;
- _vendor = (function() {
- var i, transform, vendor, vendors, _i, _len;
- vendors = ['t', 'webkitT', 'MozT', 'msT', 'OT'];
- for (i = _i = 0, _len = vendors.length; _i < _len; i = ++_i) {
- vendor = vendors[i];
- transform = vendors[i] + 'ransform';
- if (transform in _elementStyle) {
- return vendors[i].substr(0, vendors[i].length - 1);
- }
- }
- return false;
- })();
- _prefixStyle = function(style) {
- if (_vendor === false) {
- return false;
- }
- if (_vendor === '') {
- return style;
- }
- return _vendor + style.charAt(0).toUpperCase() + style.substr(1);
- };
- transform = _prefixStyle('transform');
- hasTransform = transform !== false;
- /**
- Returns browser's native scrollbar width
- @method getBrowserScrollbarWidth
- @return {Number} the scrollbar width in pixels
- @static
- @private
- */
-
- getBrowserScrollbarWidth = function() {
- var outer, outerStyle, scrollbarWidth;
- outer = document.createElement('div');
- outerStyle = outer.style;
- outerStyle.position = 'absolute';
- outerStyle.width = '100px';
- outerStyle.height = '100px';
- outerStyle.overflow = SCROLL;
- outerStyle.top = '-9999px';
- document.body.appendChild(outer);
- scrollbarWidth = outer.offsetWidth - outer.clientWidth;
- document.body.removeChild(outer);
- return scrollbarWidth;
- };
- isFFWithBuggyScrollbar = function() {
- var isOSXFF, ua, version;
- ua = window.navigator.userAgent;
- isOSXFF = /(?=.+Mac OS X)(?=.+Firefox)/.test(ua);
- if (!isOSXFF) {
- return false;
- }
- version = /Firefox\/\d{2}\./.exec(ua);
- if (version) {
- version = version[0].replace(/\D+/g, '');
- }
- return isOSXFF && +version > 23;
- };
- /**
- @class NanoScroll
- @param element {HTMLElement|Node} the main element
- @param options {Object} nanoScroller's options
- @constructor
- */
-
- NanoScroll = (function() {
- function NanoScroll(el, options) {
- this.el = el;
- this.options = options;
- BROWSER_SCROLLBAR_WIDTH || (BROWSER_SCROLLBAR_WIDTH = getBrowserScrollbarWidth());
- this.$el = $(this.el);
- this.doc = $(this.options.documentContext || document);
- this.win = $(this.options.windowContext || window);
- this.$content = this.$el.children("." + options.contentClass);
- this.$content.attr('tabindex', this.options.tabIndex || 0);
- this.content = this.$content[0];
- if (this.options.iOSNativeScrolling && (this.el.style.WebkitOverflowScrolling != null)) {
- this.nativeScrolling();
- } else {
- this.generate();
- }
- this.createEvents();
- this.addEvents();
- this.reset();
- }
-
- /**
- Prevents the rest of the page being scrolled
- when user scrolls the `.content` element.
- @method preventScrolling
- @param event {Event}
- @param direction {String} Scroll direction (up or down)
- @private
- */
-
-
- NanoScroll.prototype.preventScrolling = function(e, direction) {
- if (!this.isActive) {
- return;
- }
- if (e.type === DOMSCROLL) {
- if (direction === DOWN && e.originalEvent.detail > 0 || direction === UP && e.originalEvent.detail < 0) {
- e.preventDefault();
- }
- } else if (e.type === MOUSEWHEEL) {
- if (!e.originalEvent || !e.originalEvent.wheelDelta) {
- return;
- }
- if (direction === DOWN && e.originalEvent.wheelDelta < 0 || direction === UP && e.originalEvent.wheelDelta > 0) {
- e.preventDefault();
- }
- }
- };
-
- /**
- Enable iOS native scrolling
- @method nativeScrolling
- @private
- */
-
-
- NanoScroll.prototype.nativeScrolling = function() {
- this.$content.css({
- WebkitOverflowScrolling: 'touch'
- });
- this.iOSNativeScrolling = true;
- this.isActive = true;
- };
-
- /**
- Updates those nanoScroller properties that
- are related to current scrollbar position.
- @method updateScrollValues
- @private
- */
-
-
- NanoScroll.prototype.updateScrollValues = function() {
- var content;
- content = this.content;
- this.maxScrollTop = content.scrollHeight - content.clientHeight;
- this.prevScrollTop = this.contentScrollTop || 0;
- this.contentScrollTop = content.scrollTop;
- if (!this.iOSNativeScrolling) {
- // console.log(this.maxScrollTop, this.contentScrollTop, this.maxSliderTop, this.maxScrollTop);
- // console.trace();
- this.maxSliderTop = this.paneHeight - this.sliderHeight;
- this.sliderTop = this.maxScrollTop === 0 ? 0 : this.contentScrollTop * this.maxSliderTop / this.maxScrollTop;
- }
- };
-
- /**
- Updates CSS styles for current scroll position.
- Uses CSS 2d transfroms and `window.requestAnimationFrame` if available.
- @method setOnScrollStyles
- @private
- */
-
-
- NanoScroll.prototype.setOnScrollStyles = function() {
- var cssValue,
- _this = this;
- if (hasTransform) {
- cssValue = {};
- cssValue[transform] = "translate(0, " + this.sliderTop + "px)";
-
- // console.log(this.sliderTop, cssValue, this.scrollRAF, rAF);
- } else {
- cssValue = {
- top: this.sliderTop
- };
- }
- if (rAF) {
- if (!this.scrollRAF) {
- this.scrollRAF = rAF(function() {
- // console.log('raf called', cssValue);
- _this.scrollRAF = null;
- _this.slider.css(cssValue);
- });
- }
- } else {
- this.slider.css(cssValue);
- }
- };
-
- /**
- Creates event related methods
- @method createEvents
- @private
- */
-
-
- NanoScroll.prototype.createEvents = function() {
- var _this = this;
- this.events = {
- down: function(e) {
- _this.isBeingDragged = true;
- _this.offsetY = e.pageY - _this.slider.offset().top;
- _this.pane.addClass('active');
- _this.doc.bind(MOUSEMOVE, _this.events[DRAG]).bind(MOUSEUP, _this.events[UP]);
- return false;
- },
- drag: function(e) {
- _this.sliderY = e.pageY - _this.$el.offset().top - _this.offsetY;
- _this.scroll();
- _this.updateScrollValues();
- if (_this.contentScrollTop >= _this.maxScrollTop && _this.prevScrollTop !== _this.maxScrollTop) {
- _this.$el.trigger('scrollend');
- } else if (_this.contentScrollTop === 0 && _this.prevScrollTop !== 0) {
- _this.$el.trigger('scrolltop');
- }
- return false;
- },
- up: function(e) {
- _this.isBeingDragged = false;
- _this.pane.removeClass('active');
- _this.doc.unbind(MOUSEMOVE, _this.events[DRAG]).unbind(MOUSEUP, _this.events[UP]);
- return false;
- },
- resize: function(e) {
- _this.reset();
- },
- panedown: function(e) {
- _this.sliderY = (e.offsetY || e.originalEvent.layerY) - (_this.sliderHeight * 0.5);
- _this.scroll();
- _this.events.down(e);
- return false;
- },
- scroll: function(e) {
- if (_this.isBeingDragged) {
- return;
- }
- _this.updateScrollValues();
- if (!_this.iOSNativeScrolling) {
- _this.sliderY = _this.sliderTop;
- _this.setOnScrollStyles();
- }
- if (e == null) {
- return;
- }
- if (_this.contentScrollTop >= _this.maxScrollTop) {
- if (_this.options.preventPageScrolling) {
- _this.preventScrolling(e, DOWN);
- }
- if (_this.prevScrollTop !== _this.maxScrollTop) {
- _this.$el.trigger('scrollend');
- }
- } else if (_this.contentScrollTop === 0) {
- if (_this.options.preventPageScrolling) {
- _this.preventScrolling(e, UP);
- }
- if (_this.prevScrollTop !== 0) {
- _this.$el.trigger('scrolltop');
- }
- }
- },
- wheel: function(e) {
- var delta;
- if (e == null) {
- return;
- }
- delta = e.delta || e.wheelDelta || (e.originalEvent && e.originalEvent.wheelDelta) || -e.detail || (e.originalEvent && -e.originalEvent.detail);
- if (delta) {
- _this.sliderY += -delta / 3;
- }
- _this.scroll();
- return false;
- }
- };
- };
-
- /**
- Adds event listeners with jQuery.
- @method addEvents
- @private
- */
-
-
- NanoScroll.prototype.addEvents = function() {
- var events;
- this.removeEvents();
- events = this.events;
- if (!this.options.disableResize) {
- this.win.bind(RESIZE, events[RESIZE]);
- }
- if (!this.iOSNativeScrolling) {
- this.slider.bind(MOUSEDOWN, events[DOWN]);
- this.pane.bind(MOUSEDOWN, events[PANEDOWN]).bind("" + MOUSEWHEEL + " " + DOMSCROLL, events[WHEEL]);
- }
- this.$content.bind("" + SCROLL + " " + MOUSEWHEEL + " " + DOMSCROLL + " " + TOUCHMOVE, events[SCROLL]);
- };
-
- /**
- Removes event listeners with jQuery.
- @method removeEvents
- @private
- */
-
-
- NanoScroll.prototype.removeEvents = function() {
- var events;
- events = this.events;
- this.win.unbind(RESIZE, events[RESIZE]);
- if (!this.iOSNativeScrolling) {
- this.slider.unbind();
- this.pane.unbind();
- }
- this.$content.unbind("" + SCROLL + " " + MOUSEWHEEL + " " + DOMSCROLL + " " + TOUCHMOVE, events[SCROLL]);
- };
-
- /**
- Generates nanoScroller's scrollbar and elements for it.
- @method generate
- @chainable
- @private
- */
-
-
- NanoScroll.prototype.generate = function() {
- var contentClass, cssRule, currentPadding, options, paneClass, sliderClass;
- options = this.options;
- paneClass = options.paneClass, sliderClass = options.sliderClass, contentClass = options.contentClass;
- if (!this.$el.find("." + paneClass).length && !this.$el.find("." + sliderClass).length) {
- this.$el.append("
");
- }
- this.pane = this.$el.children("." + paneClass);
- this.slider = this.pane.find("." + sliderClass);
- if (BROWSER_SCROLLBAR_WIDTH === 0 && isFFWithBuggyScrollbar()) {
- currentPadding = window.getComputedStyle(this.content, null).getPropertyValue('padding-right').replace(/\D+/g, '');
- cssRule = {
- right: -14,
- paddingRight: +currentPadding + 14
- };
- } else if (BROWSER_SCROLLBAR_WIDTH) {
- cssRule = {
- right: -BROWSER_SCROLLBAR_WIDTH
- };
- this.$el.addClass('has-scrollbar');
- }
- if (cssRule != null) {
- this.$content.css(cssRule);
- }
- return this;
- };
-
- /**
- @method restore
- @private
- */
-
-
- NanoScroll.prototype.restore = function() {
- this.stopped = false;
- if (!this.iOSNativeScrolling) {
- this.pane.show();
- }
- this.addEvents();
- };
-
- /**
- Resets nanoScroller's scrollbar.
- @method reset
- @chainable
- @example
- $(".nano").nanoScroller();
- */
-
-
- NanoScroll.prototype.reset = function() {
- var content, contentHeight, contentStyle, contentStyleOverflowY, paneBottom, paneHeight, paneOuterHeight, paneTop, parentMaxHeight, sliderHeight;
- if (this.iOSNativeScrolling) {
- this.contentHeight = this.content.scrollHeight;
- return;
- }
- if (!this.$el.find("." + this.options.paneClass).length) {
- this.generate().stop();
- }
- if (this.stopped) {
- this.restore();
- }
- content = this.content;
- contentStyle = content.style;
- contentStyleOverflowY = contentStyle.overflowY;
- if (BROWSER_IS_IE7) {
- this.$content.css({
- height: this.$content.height()
- });
- }
- contentHeight = content.scrollHeight + BROWSER_SCROLLBAR_WIDTH;
- parentMaxHeight = parseInt(this.$el.css("max-height"), 10);
- if (parentMaxHeight > 0) {
- this.$el.height("");
- this.$el.height(content.scrollHeight > parentMaxHeight ? parentMaxHeight : content.scrollHeight);
- }
- paneHeight = this.pane.outerHeight(false);
- paneTop = parseInt(this.pane.css('top'), 10);
- paneBottom = parseInt(this.pane.css('bottom'), 10);
- paneOuterHeight = paneHeight + paneTop + paneBottom;
- sliderHeight = Math.round(paneOuterHeight / contentHeight * paneOuterHeight);
- if (sliderHeight < this.options.sliderMinHeight) {
- sliderHeight = this.options.sliderMinHeight;
- } else if ((this.options.sliderMaxHeight != null) && sliderHeight > this.options.sliderMaxHeight) {
- sliderHeight = this.options.sliderMaxHeight;
- }
- if (contentStyleOverflowY === SCROLL && contentStyle.overflowX !== SCROLL) {
- sliderHeight += BROWSER_SCROLLBAR_WIDTH;
- }
- this.maxSliderTop = paneOuterHeight - sliderHeight;
- this.contentHeight = contentHeight;
- this.paneHeight = paneHeight;
- this.paneOuterHeight = paneOuterHeight;
- this.sliderHeight = sliderHeight;
- this.slider.height(sliderHeight);
- this.events.scroll();
- this.pane.show();
- this.isActive = true;
- if ((content.scrollHeight === content.clientHeight) || (this.pane.outerHeight(true) >= content.scrollHeight && contentStyleOverflowY !== SCROLL)) {
- this.pane.hide();
- this.isActive = false;
- } else if (this.el.clientHeight === content.scrollHeight && contentStyleOverflowY === SCROLL) {
- this.slider.hide();
- } else {
- this.slider.show();
- }
- this.pane.css({
- opacity: (this.options.alwaysVisible ? 1 : ''),
- visibility: (this.options.alwaysVisible ? 'visible' : '')
- });
- return this;
- };
-
- /**
- @method scroll
- @private
- @example
- $(".nano").nanoScroller({ scroll: 'top' });
- */
-
-
- NanoScroll.prototype.scroll = function() {
- if (!this.isActive) {
- return;
- }
- this.sliderY = Math.max(0, this.sliderY);
- this.sliderY = Math.min(this.maxSliderTop, this.sliderY);
- this.$content.scrollTop((this.paneHeight - this.contentHeight + BROWSER_SCROLLBAR_WIDTH) * this.sliderY / this.maxSliderTop * -1);
- if (!this.iOSNativeScrolling) {
- this.updateScrollValues();
- this.setOnScrollStyles();
- }
- return this;
- };
-
- /**
- Scroll at the bottom with an offset value
- @method scrollBottom
- @param offsetY {Number}
- @chainable
- @example
- $(".nano").nanoScroller({ scrollBottom: value });
- */
-
-
- NanoScroll.prototype.scrollBottom = function(offsetY) {
- if (!this.isActive) {
- return;
- }
- this.reset();
- this.$content.scrollTop(this.contentHeight - this.$content.height() - offsetY).trigger(MOUSEWHEEL);
- return this;
- };
-
- /**
- Scroll at the top with an offset value
- @method scrollTop
- @param offsetY {Number}
- @chainable
- @example
- $(".nano").nanoScroller({ scrollTop: value });
- */
-
-
- NanoScroll.prototype.scrollTop = function(offsetY) {
- if (!this.isActive) {
- return;
- }
- this.reset();
- this.$content.scrollTop(+offsetY).trigger(MOUSEWHEEL);
- return this;
- };
-
- /**
- Scroll to an element
- @method scrollTo
- @param node {Node} A node to scroll to.
- @chainable
- @example
- $(".nano").nanoScroller({ scrollTo: $('#a_node') });
- */
-
-
- NanoScroll.prototype.scrollTo = function(node) {
- if (!this.isActive) {
- return;
- }
- this.reset();
- this.scrollTop($(node).get(0).offsetTop);
- return this;
- };
-
- /**
- To stop the operation.
- This option will tell the plugin to disable all event bindings and hide the gadget scrollbar from the UI.
- @method stop
- @chainable
- @example
- $(".nano").nanoScroller({ stop: true });
- */
-
-
- NanoScroll.prototype.stop = function() {
- if (cAF) {
- cAF(this.scrollRAF);
- }
- this.stopped = true;
- this.removeEvents();
- if (!this.iOSNativeScrolling) {
- this.pane.hide();
- }
- return this;
- };
-
- /**
- Destroys nanoScroller and restores browser's native scrollbar.
- @method destroy
- @chainable
- @example
- $(".nano").nanoScroller({ destroy: true });
- */
-
-
- NanoScroll.prototype.destroy = function() {
- if (!this.stopped) {
- this.stop();
- }
- if (!this.iOSNativeScrolling && this.pane.length) {
- this.pane.remove();
- }
- if (BROWSER_IS_IE7) {
- this.$content.height('');
- }
- this.$content.removeAttr('tabindex');
- if (this.$el.hasClass('has-scrollbar')) {
- this.$el.removeClass('has-scrollbar');
- this.$content.css({
- right: ''
- });
- }
- return this;
- };
-
- /**
- To flash the scrollbar gadget for an amount of time defined in plugin settings (defaults to 1,5s).
- Useful if you want to show the user (e.g. on pageload) that there is more content waiting for him.
- @method flash
- @chainable
- @example
- $(".nano").nanoScroller({ flash: true });
- */
-
-
- NanoScroll.prototype.flash = function() {
- var _this = this;
- if (this.iOSNativeScrolling) {
- return;
- }
- if (!this.isActive) {
- return;
- }
- this.reset();
- this.pane.addClass('flashed');
- setTimeout(function() {
- _this.pane.removeClass('flashed');
- }, this.options.flashDelay);
- return this;
- };
-
- return NanoScroll;
-
- })();
- $.fn.nanoScroller = function(settings) {
- return this.each(function() {
- var options, scrollbar;
- if (!(scrollbar = this.nanoscroller)) {
- options = $.extend({}, defaults, settings);
- this.nanoscroller = scrollbar = new NanoScroll(this, options);
- }
- if (settings && typeof settings === "object") {
- $.extend(scrollbar.options, settings);
- if (settings.scrollBottom != null) {
- return scrollbar.scrollBottom(settings.scrollBottom);
- }
- if (settings.scrollTop != null) {
- return scrollbar.scrollTop(settings.scrollTop);
- }
- if (settings.scrollTo) {
- return scrollbar.scrollTo(settings.scrollTo);
- }
- if (settings.scroll === 'bottom') {
- return scrollbar.scrollBottom(0);
- }
- if (settings.scroll === 'top') {
- return scrollbar.scrollTop(0);
- }
- if (settings.scroll && settings.scroll instanceof $) {
- return scrollbar.scrollTo(settings.scroll);
- }
- if (settings.stop) {
- return scrollbar.stop();
- }
- if (settings.destroy) {
- return scrollbar.destroy();
- }
- if (settings.flash) {
- return scrollbar.flash();
- }
- }
- return scrollbar.reset();
- });
- };
- $.fn.nanoScroller.Constructor = NanoScroll;
-})(jQuery, window, document);
-
-/**
- * emojiarea - A rich textarea control that supports emojis, WYSIWYG-style.
- * Copyright (c) 2012 DIY Co
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this
- * file except in compliance with the License. You may obtain a copy of the License at:
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software distributed under
- * the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
- * ANY KIND, either express or implied. See the License for the specific language
- * governing permissions and limitations under the License.
- *
- * @author Brian Reavis
- */
-
- /**
- * This file also contains some modifications by Igor Zhukov in order to add custom scrollbars to EmojiMenu
- * See keyword `MODIFICATION` in source code.
- */
-
-(function($, window, document) {
-
- var ELEMENT_NODE = 1;
- var TEXT_NODE = 3;
- var TAGS_BLOCK = ['p', 'div', 'pre', 'form'];
- var KEY_ESC = 27;
- var KEY_TAB = 9;
-
- // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-
- /*! MODIFICATION START
- Options 'spritesheetPath', 'spritesheetDimens', 'iconSize' added by Andre Staltz.
- */
- $.emojiarea = {
- path: '',
- spritesheetPath: '',
- spritesheetDimens: [],
- iconSize: 20,
- icons: {},
- defaults: {
- button: null,
- buttonLabel: 'Emojis',
- buttonPosition: 'after'
- }
- };
- /*! MODIFICATION END */
-
- $.fn.emojiarea = function(options) {
- options = $.extend({}, $.emojiarea.defaults, options);
- return this.each(function() {
- var $textarea = $(this);
- if ('contentEditable' in document.body && options.wysiwyg !== false) {
- new EmojiArea_WYSIWYG($textarea, options);
- } else {
- new EmojiArea_Plain($textarea, options);
- }
- });
- };
-
- // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-
- var util = {};
-
- util.restoreSelection = (function() {
- if (window.getSelection) {
- return function(savedSelection) {
- var sel = window.getSelection();
- sel.removeAllRanges();
- for (var i = 0, len = savedSelection.length; i < len; ++i) {
- sel.addRange(savedSelection[i]);
- }
- };
- } else if (document.selection && document.selection.createRange) {
- return function(savedSelection) {
- if (savedSelection) {
- savedSelection.select();
- }
- };
- }
- })();
-
- util.saveSelection = (function() {
- if (window.getSelection) {
- return function() {
- var sel = window.getSelection(), ranges = [];
- if (sel.rangeCount) {
- for (var i = 0, len = sel.rangeCount; i < len; ++i) {
- ranges.push(sel.getRangeAt(i));
- }
- }
- return ranges;
- };
- } else if (document.selection && document.selection.createRange) {
- return function() {
- var sel = document.selection;
- return (sel.type.toLowerCase() !== 'none') ? sel.createRange() : null;
- };
- }
- })();
-
- util.replaceSelection = (function() {
- if (window.getSelection) {
- return function(content) {
- var range, sel = window.getSelection();
- var node = typeof content === 'string' ? document.createTextNode(content) : content;
- if (sel.getRangeAt && sel.rangeCount) {
- range = sel.getRangeAt(0);
- range.deleteContents();
- range.insertNode(document.createTextNode(' '));
- range.insertNode(node);
- range.setStart(node, 0);
-
- window.setTimeout(function() {
- range = document.createRange();
- range.setStartAfter(node);
- range.collapse(true);
- sel.removeAllRanges();
- sel.addRange(range);
- }, 0);
- }
- }
- } else if (document.selection && document.selection.createRange) {
- return function(content) {
- var range = document.selection.createRange();
- if (typeof content === 'string') {
- range.text = content;
- } else {
- range.pasteHTML(content.outerHTML);
- }
- }
- }
- })();
-
- util.insertAtCursor = function(text, el) {
- text = ' ' + text;
- var val = el.value, endIndex, startIndex, range;
- if (typeof el.selectionStart != 'undefined' && typeof el.selectionEnd != 'undefined') {
- startIndex = el.selectionStart;
- endIndex = el.selectionEnd;
- el.value = val.substring(0, startIndex) + text + val.substring(el.selectionEnd);
- el.selectionStart = el.selectionEnd = startIndex + text.length;
- } else if (typeof document.selection != 'undefined' && typeof document.selection.createRange != 'undefined') {
- el.focus();
- range = document.selection.createRange();
- range.text = text;
- range.select();
- }
- };
-
- util.extend = function(a, b) {
- if (typeof a === 'undefined' || !a) { a = {}; }
- if (typeof b === 'object') {
- for (var key in b) {
- if (b.hasOwnProperty(key)) {
- a[key] = b[key];
- }
- }
- }
- return a;
- };
-
- util.escapeRegex = function(str) {
- return (str + '').replace(/([.?*+^$[\]\\(){}|-])/g, '\\$1');
- };
-
- util.htmlEntities = function(str) {
- return String(str).replace(/&/g, '&').replace(//g, '>').replace(/"/g, '"');
- };
-
- // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-
- var EmojiArea = function() {};
-
- EmojiArea.prototype.setup = function() {
- var self = this;
-
- this.$editor.on('focus', function() { self.hasFocus = true; });
- this.$editor.on('blur', function() { self.hasFocus = false; });
-
- this.setupButton();
- };
-
- EmojiArea.prototype.setupButton = function() {
- var self = this;
- var $button;
-
- if (this.options.button) {
- $button = $(this.options.button);
- } else if (this.options.button !== false) {
- $button = $('');
- $button.html(this.options.buttonLabel);
- $button.addClass('emoji-button');
- $button.attr({title: this.options.buttonLabel});
- this.$editor[this.options.buttonPosition]($button);
- } else {
- $button = $('');
- }
-
- $button.on('click', function(e) {
- EmojiMenu.show(self);
- e.stopPropagation();
- });
-
- this.$button = $button;
- };
-
- /*! MODIFICATION START
- This function was modified by Andre Staltz so that the icon is created from a spritesheet.
- */
- EmojiArea.createIcon = function(emoji) {
- var category = emoji[0];
- var row = emoji[1];
- var column = emoji[2];
- var name = emoji[3];
- var filename = $.emojiarea.spritesheetPath;
- var xoffset = -($.emojiarea.iconSize * column);
- var yoffset = -($.emojiarea.iconSize * row);
- var scaledWidth = ($.emojiarea.spritesheetDimens[category][1] * $.emojiarea.iconSize);
- var scaledHeight = ($.emojiarea.spritesheetDimens[category][0] * $.emojiarea.iconSize);
-
- var style = 'display:inline-block;';
- style += 'width:' + $.emojiarea.iconSize + 'px;';
- style += 'height:' + $.emojiarea.iconSize + 'px;';
- style += 'background:url(\'' + filename.replace('!',category) + '\') ' + xoffset + 'px ' + yoffset + 'px no-repeat;';
- style += 'background-size:' + scaledWidth + 'px ' + scaledHeight + 'px;';
- return '
';
- };
- /*! MODIFICATION END */
-
- // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-
- /**
- * Editor (plain-text)
- *
- * @constructor
- * @param {object} $textarea
- * @param {object} options
- */
-
- var EmojiArea_Plain = function($textarea, options) {
- this.options = options;
- this.$textarea = $textarea;
- this.$editor = $textarea;
- this.setup();
- };
-
- EmojiArea_Plain.prototype.insert = function(emoji) {
- if (!$.emojiarea.icons.hasOwnProperty(emoji)) return;
- util.insertAtCursor(emoji, this.$textarea[0]);
- this.$textarea.trigger('change');
- };
-
- EmojiArea_Plain.prototype.val = function() {
- return this.$textarea.val();
- };
-
- util.extend(EmojiArea_Plain.prototype, EmojiArea.prototype);
-
- // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-
- /**
- * Editor (rich)
- *
- * @constructor
- * @param {object} $textarea
- * @param {object} options
- */
-
- var EmojiArea_WYSIWYG = function($textarea, options) {
- var self = this;
-
- this.options = options || {};
- this.$textarea = $textarea;
- this.$editor = $('').addClass('emoji-wysiwyg-editor');
- this.$editor.text($textarea.val());
- this.$editor.attr({contenteditable: 'true'});
- /*! MODIFICATION START
- Following code was modified by Igor Zhukov, in order to improve rich text paste
- */
- var changeEvents = 'blur change';
- if (!this.options.norealTime) {
- changeEvents += ' keyup';
- }
- this.$editor.on(changeEvents, function(e) { return self.onChange.apply(self, [e]); });
- this.$editor.on('paste', function(e) { return self.onPaste.apply(self, [e]); });
- /*! MODIFICATION END */
-
- this.$editor.on('mousedown focus', function() { document.execCommand('enableObjectResizing', false, false); });
- this.$editor.on('blur', function() { document.execCommand('enableObjectResizing', true, true); });
-
- var html = this.$editor.text();
- var emojis = $.emojiarea.icons;
- for (var key in emojis) {
- if (emojis.hasOwnProperty(key)) {
- /* MODIFICATION: Following line was modified by Andre Staltz, to use new implementation of createIcon function.*/
- html = html.replace(new RegExp(util.escapeRegex(key), 'g'), EmojiArea.createIcon(emojis[key]));
- }
- }
- this.$editor.html(html);
-
- $textarea.hide().after(this.$editor);
-
- this.setup();
-
- /* MODIFICATION: Following line was modified by Igor Zhukov, in order to improve emoji insert behaviour */
- $(document.body).on('mousedown', function() {
- if (self.hasFocus) {
- self.selection = util.saveSelection();
- }
- });
- };
-
- /*! MODIFICATION START
- Following code was modified by Igor Zhukov, in order to improve rich text paste
- */
- EmojiArea_WYSIWYG.prototype.onPaste = function(e) {
- var cData = (e.originalEvent || e).clipboardData,
- items = cData && cData.items || [],
- i;
- for (i = 0; i < items.length; i++) {
- if (items[i].kind == 'file') {
- e.preventDefault();
- return true;
- }
- }
-
- var text = (e.originalEvent || e).clipboardData.getData('text/plain'),
- self = this;
- setTimeout(function () {
- self.onChange();
- }, 0);
- if (text.length) {
- document.execCommand('insertText', false, text);
- return cancelEvent(e);
- }
- return true;
- };
- /*! MODIFICATION END */
-
- EmojiArea_WYSIWYG.prototype.onChange = function(e) {
- this.$textarea.val(this.val()).trigger('change');
- };
-
- EmojiArea_WYSIWYG.prototype.insert = function(emoji) {
- var content;
- /* MODIFICATION: Following line was modified by Andre Staltz, to use new implementation of createIcon function.*/
- var $img = $(EmojiArea.createIcon($.emojiarea.icons[emoji]));
- if ($img[0].attachEvent) {
- $img[0].attachEvent('onresizestart', function(e) { e.returnValue = false; }, false);
- }
-
- this.$editor.trigger('focus');
- if (this.selection) {
- util.restoreSelection(this.selection);
- }
- try { util.replaceSelection($img[0]); } catch (e) {}
-
- /*! MODIFICATION START
- Following code was modified by Igor Zhukov, in order to improve selection handling
- */
- var self = this;
- setTimeout(function () {
- self.selection = util.saveSelection();
- }, 100);
- /*! MODIFICATION END */
-
- this.onChange();
- };
-
- EmojiArea_WYSIWYG.prototype.val = function() {
- var lines = [];
- var line = [];
-
- var flush = function() {
- lines.push(line.join(''));
- line = [];
- };
-
- var sanitizeNode = function(node) {
- if (node.nodeType === TEXT_NODE) {
- line.push(node.nodeValue);
- } else if (node.nodeType === ELEMENT_NODE) {
- var tagName = node.tagName.toLowerCase();
- var isBlock = TAGS_BLOCK.indexOf(tagName) !== -1;
-
- if (isBlock && line.length) flush();
-
- if (tagName === 'img') {
- var alt = node.getAttribute('alt') || '';
- if (alt) line.push(alt);
- return;
- } else if (tagName === 'br') {
- flush();
- }
-
- var children = node.childNodes;
- for (var i = 0; i < children.length; i++) {
- sanitizeNode(children[i]);
- }
-
- if (isBlock && line.length) flush();
- }
- };
-
- var children = this.$editor[0].childNodes;
- for (var i = 0; i < children.length; i++) {
- sanitizeNode(children[i]);
- }
-
- if (line.length) flush();
-
- return lines.join('\n');
- };
-
- util.extend(EmojiArea_WYSIWYG.prototype, EmojiArea.prototype);
-
- // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-
- /**
- * Emoji Dropdown Menu
- *
- * @constructor
- * @param {object} emojiarea
- */
- var EmojiMenu = function() {
- var self = this;
- var $body = $(document.body);
- var $window = $(window);
-
- this.visible = false;
- this.emojiarea = null;
- this.$menu = $('
');
- this.$menu.addClass('emoji-menu');
- this.$menu.hide();
-
- /*! MODIFICATION START
- Following code was modified by Igor Zhukov, in order to add scrollbars and tail to EmojiMenu
- Also modified by Andre Staltz, to include tabs for categories, on the menu header.
- */
- this.$itemsTailWrap = $('
').appendTo(this.$menu);
- this.$categoryTabs = $('').appendTo(this.$itemsTailWrap);
- this.$itemsWrap = $('
').appendTo(this.$itemsTailWrap);
- this.$items = $('
').appendTo(this.$itemsWrap);
- $('