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|
// ---------------------------------
// ---------- SimpleMarquee ----------
// ---------------------------------
//Copyright (C) 2016 Fabian Valle
//An easy to implement marquee plugin. I know its easy because even I can use it.
//Forked from: https://github.com/conradfeyt/Simple-Marquee
//Re-Written by: Fabian Valle (www.fabian-valle.com) (www.obliviocompany.com)
//
// ------------------------
// Structure //
//
// *********************************** - marque-container - *************************************
// * *
// * ******************************* ****************************************************** *
// * * * * * *
// * * - marquee-content-sibling - * * - marquee-content - * *
// * * * * * *
// * ******************************* ****************************************************** *
// * *
// **********************************************************************************************
//
//// Usage //
//
// Only need to call the createMarquee() function,
// if desired, pass through the following paramaters:
//
// $1 duration: controls the speed at which the marquee moves
//
// $2 padding: right margin between consecutive marquees.
//
// $3 marquee_class: the actual div or span that will be used to create the marquee -
// multiple marquee items may be created using this item's content.
// This item will be removed from the dom
//
// $4 container_class: the container div in which the marquee content will animate.
//
// $5 marquee-content-sibling : (optional argument) a sibling item to the marqueed item that
// affects the end point position and available space inside the
// container.
//
// $6 hover: Boolean to indicate whether pause on hover should is required.
;(function ($, window, document, undefined){
var pluginName = 'SimpleMarquee';
function Plugin (element, options) {
this.element = element;
this._name = pluginName;
this._defaults = $.fn.SimpleMarquee.defaults;
this.settings = $.extend( {}, this._defaults, options );
this.marqueeSpawned = [];
this.marqueeHovered = false;
this.documentHasFocus = false;
//
this.counter = 0;
this.timeLeft = 0;
this.currentPos = 0;
this.distanceLeft = 0;
this.totalDistance = 0;
this.contentWidth = 0;
this.endPoint = 0;
this.duration = 0;
this.hovered = false;
this.padding = 0;
this.init();
}
function marqueeObj(newElement){
this.el=newElement;
this.counter=0;
this.name="";
this.timeTop=0;
this.currentPos=0;
this.distanceTop=0;
this.totalDistance=0;
this.contentWidth=0;
this.endPoint=0;
this.duration=0;
this.hovered=false;
this.padding=0;
}
//methods for plugin
$.extend(Plugin.prototype, {
// Initialization logic
init: function () {
this.buildCache();
this.bindEvents();
var config = this.settings;
//init marquee
if($(config.marquee_class).width() == 0){
console.error('FATAL: marquee css or children css not correct. Width is either set to 0 or the element is collapsing. Make sure overflow is set on the marquee, and the children are postitioned relatively');
return;
}
if(typeof $(config.marquee_class) === 'undefined'){
console.error('FATAL: marquee class not valid');
return;
}
if(typeof $(config.container_class) === 'undefined'){
console.error('FATAL: marquee container class not valid');
return;
}
if(config.sibling_class != 0 && typeof $(config.sibling_class) === 'undefined'){
console.error('FATAL: sibling class container class not valid');
return;
}
//create the Marquee
this.createMarquee();
},
// Remove plugin instance completely
destroy: function() {
this.unbindEvents();
this.$element.removeData();
},
// Cache DOM nodes for performance
buildCache: function () {
this.$element = $(this.element);
},
// Bind events that trigger methods
bindEvents: function() {
var plugin = this;
$(window).on('focus',function(){
plugin.documentHasFocus = true;
for (var key in plugin.marqueeSpawned){
plugin.marqueeManager(plugin.marqueeSpawned[key]);
}
});
$(window).on('blur',function(){
plugin.documentHasFocus = false;
for (var key in plugin.marqueeSpawned){
plugin.marqueeSpawned[key].el.clearQueue().stop();
plugin.marqueeSpawned[key].hovered = true;
}
});
},
// Unbind events that trigger methods
unbindEvents: function() {
$(window).off('blur focus');
},
getPosition: function(elName){
this.currentPos = parseInt($(elName).css('left'));
return this.currentPos;
},
createMarquee: function(){
var plugin = this;
var config = plugin.settings;
var marqueeContent = $(config.marquee_class).html();
var containerWidth = $(config.container_class).width();
var contentWidth = $(config.marquee_class).width();
var widthToIgnore = 0;
if (config.sibling_class != 0){
widthToIgnore = $(config.sibling_class).width();
}
var spawnAmount = Math.ceil(containerWidth / contentWidth);
$(config.marquee_class).remove();
if(spawnAmount<=2){
spawnAmount = 3;
} else {
spawnAmount++;
}
var totalContentWidth = (contentWidth + config.padding)*spawnAmount;
var endPoint = -(totalContentWidth - containerWidth);
var totalDistance = containerWidth - endPoint;
for (var i = 0; i < spawnAmount; i++) {
var newElement = false;
if(config.hover == true){
newElement = $('<div class="marquee-' + (i+1) + '">' + marqueeContent + '</div>')
.mouseenter(function() {
if ((plugin.documentHasFocus == true) && (plugin.marqueeHovered == false)){
plugin.marqueeHovered = true;
for (var key in plugin.marqueeSpawned){
plugin.marqueeSpawned[key].el.clearQueue().stop();
plugin.marqueeSpawned[key].hovered = true;
}
}
})
.mouseleave(function() {
if ((plugin.documentHasFocus == true) && (plugin.marqueeHovered == true)){
for (var key in plugin.marqueeSpawned){
plugin.marqueeManager(plugin.marqueeSpawned[key]);
}
plugin.marqueeHovered = false;
}
});
} else {
newElement = $('<div class="marquee-' + (i+1) + '">' + marqueeContent + '</div>') ;
}
plugin.marqueeSpawned[i] = new marqueeObj(newElement);
$(config.container_class).append(newElement);
plugin.marqueeSpawned[i].currentPos = (widthToIgnore + (contentWidth*i))+(config.padding*i); //initial positioning
plugin.marqueeSpawned[i].name = '.marquee-'+(i+1);
plugin.marqueeSpawned[i].totalDistance = totalDistance;
plugin.marqueeSpawned[i].containerWidth = containerWidth;
plugin.marqueeSpawned[i].contentWidth = contentWidth;
plugin.marqueeSpawned[i].endPoint = endPoint;
plugin.marqueeSpawned[i].duration = config.duration;
plugin.marqueeSpawned[i].padding = config.padding;
plugin.marqueeSpawned[i].el.css('left', plugin.marqueeSpawned[i].currentPos+config.padding +'px'); //setting left according to postition
if (plugin.documentHasFocus == true){
plugin.marqueeManager(plugin.marqueeSpawned[i]);
}
}
//end for
if(document.hasFocus()){
plugin.documentHasFocus = true;
}else{
plugin.documentHasFocus = false;
}
},
marqueeManager: function(marqueed_el){
var plugin = this;
var elName = marqueed_el.name;
if (marqueed_el.hovered == false) {
if (marqueed_el.counter > 0) { //this is not the first loop
marqueed_el.timeLeft = marqueed_el.duration;
marqueed_el.el.css('left', marqueed_el.containerWidth +'px'); //setting margin
marqueed_el.currentPos = marqueed_el.containerWidth;
marqueed_el.distanceLeft = marqueed_el.totalDistance - (marqueed_el.containerWidth - plugin.getPosition(elName));
} else { // this is the first loop
marqueed_el.timeLeft = (((marqueed_el.totalDistance - (marqueed_el.containerWidth - plugin.getPosition(elName)))/ marqueed_el.totalDistance)) * marqueed_el.duration;
}
} else {
marqueed_el.hovered = false;
marqueed_el.currentPos = parseInt(marqueed_el.el.css('left'));
marqueed_el.distanceLeft = marqueed_el.totalDistance - (marqueed_el.containerWidth - plugin.getPosition(elName));
marqueed_el.timeLeft = (((marqueed_el.totalDistance - (marqueed_el.containerWidth - marqueed_el.currentPos))/ marqueed_el.totalDistance)) * marqueed_el.duration;
}
plugin.marqueeAnim(marqueed_el);
},
marqueeAnim: function(marqueeObject){
var plugin = this;
marqueeObject.counter++;
marqueeObject.el.clearQueue().animate(
{'left': marqueeObject.endPoint+'px'},
marqueeObject.timeLeft,
'linear',
function(){
plugin.marqueeManager(marqueeObject);
});
},
callback: function() {
// Cache onComplete option
var onComplete = this.settings.onComplete;
if ( typeof onComplete === 'function' ) {
onComplete.call(this.element);
}
}
});
//end methods for plugin
$.fn.SimpleMarquee = function (options) {
this.each(function() {
if ( !$.data( this, "plugin_" + pluginName ) ) {
$.data( this, "plugin_" + pluginName, new Plugin( this, options ) );
}
});
return this;
};
$.fn.SimpleMarquee.defaults = {
property: 'value',
onComplete: null,
duration: 20000,
padding: 10,
marquee_class: '.marquee',
container_class: '.simple-marquee-container',
sibling_class: 0,
hover: true
};
})( jQuery, window, document ); |
