Implementing Polymorphism in Javascript - how would this look?

Implementing Polymorphism in Javascript - how would this look? - javascript

I'm trying to make the jump to a more OOP style javascript approach, but I have just not gotten it right in javascript.
Take the following function as an example.
function positionalCSS(array, cs, lcs){
/* Define css for circle based on number of circles */
//Count array
var arrCount = array.length;
var T = [];
var L = [];
if(arrCount == 3){
T[0] ='15px';
L[0] = '240px';
T[1] = '345px';
L[1] = '440px';
T[2] = '345px';
L[2] = '40px';
}
if(arrCount == 4){
T[0] ='-135px';
L[0] = '90px';
T[1] = '-10px';
L[1] = '290px';
T[2] = '220px';
L[2] = '270px';
T[3] = '315px';
L[3] = '90px';
}
if(arrCount == 6){
T[0] ='-135px';
L[0] = '90px';
T[1] = '-10px';
L[1] = '290px';
T[2] = '220px';
L[2] = '270px';
T[3] = '315px';
L[3] = '90px';
T[4] = '210px';
L[4] = '-100px';
T[5] = '-10px';
L[5] = '-110px';
}
$.each(array, function(i) {
var num = parseInt(i);
// console.log('$("' + lcs + ' ' + cs + '.handle-' + num + '").first().children("div");');
$(lcs + ' ' + cs + '.handle-' + num).first().children('div').css({
'position': 'absolute',
'top': T[num],
'left': L[num]
});
});
}
It's pretty horrendous, I want to pass in an array, and depending on how many there are, organise the positions of the items based on this. SO I guess based on its size I would give it some properties? Where each TL represents a Top and Left position of an object?

I'd create an object where you can lookup premade arrays of objects holding your T/L values.
var counts = {
3: [
{t:'15px', l:'240px'},
{t:'345px', l:'440px'},
{t:'345px', l:'40px'}
],
4: {
// as above
},
5: {
// as above
}
};
And then use it in your function:
function positionalCSS(array, cs, lcs){
$.each(counts[array.length], function(i, obj) {
// console.log('$("' + lcs + ' ' + cs + '.handle-' + i + '").first().children("div");');
$(lcs + ' ' + cs + '.handle-' + i).first().children('div').css({
'position': 'absolute',
'top': obj.t,
'left': obj.l
});
});
}

Related

search whether id consists of dynamic value

The script below will loop through and generate 50 records. I have a dynamic value RANKS = "8". How can I check if 8 is exists in id="rankN"?
The value[RANKS] is dynamic from 1-50
var RANKS = "8";
var ranking;
for (var i = 0; i < rankingList.length; i++) {
var a = 1;
ranking = "<div > " +
("<div id=rank" + a + " class='RankCol'>" + rankingList[i].rankNo + "</div>") +
("<div>" + rankingList[i].username + "</div>") +
("<div>" + rankingList[i].winningAmt + "</div>") +
("<div> " + rankingList[i].uCoin + "</div>") +
(" </div>");
};
Expected result:
A
A
B
B
C
B
A
A
B
G
so if my ranking is 8, the text will bold. IF the value is not within 50, then i will do another css. my main problem is how can i check whether the looped' ID contains the id number same as my RANKS(which is 8)

If you want to check in DOM, then simply var exists = $('#rank8').length !== 0.
If you want it to check inside loop:
var ranks = {};
for (var i = 0; i < rankingList.length; i++) {
newRank = 'rank' + i;
if (typeof ranks[newRank] !== 'undefined') {
// skip
continue;
} else {
ranking = '<div id="' + newRank + '" ...';
}
ranks[newRank] = newRank;
}

Try this
rankingDiv.html(rankingList.map((rank,i) => `<div>
<div id="rank${i+1)" class='RankCol'>${rank.rankNo}</div>
<div>${rank.username}</div>
<div>${rank.winningAmt}</div>
<div>${rank.uCoin}</div>
</div>`);
const $myRank = $(`#rank${RANKS}`);
if ($myRank.length===1) myRank.html(`<b>${$myRank.text()}</b>`)
Older sugggestion
$(\`#rank${RANKS}\`).length===1

JS Changing Classes issue

I'm using API sockets to update the market data.
and I want to classes change when the price goes up and down,
my first class (_class) is working successfully,
second class (_class2) is working at the start by changing to UP (pump) but it won't get back to down (dump) when the price goes down just like the first class. I'm in a bit of confusion coz I'm not so experienced at js.
can anyone tell me where I am mistaken?
window.updateMarkets = function (data) {
if (data.coin != undefined) {
var coin = 'BTC_' + data.coin;
var coin_data = data.msg;
var _coinTable = $('#coins-info-table');
var row = _coinTable.find("tr#" + coin);
price = _coinTable.find("tr#" + coin + " .price");
change = _coinTable.find("tr#" + coin + " .change");
volume = _coinTable.find("tr#" + coin + " .volume");
capital = _coinTable.find("tr#" + coin + " .market_capital");
supply = _coinTable.find("tr#" + coin + " .supply");
_price = formatter.format(coin_data.price);
previous_price = $(price).data('usd');
_class = coin_data.cap24hrChange >= 0 ? 'increment' : 'decrement';
_class2 = coin_data.cap24hrChange >= 0 ? 'pump' :'dump';
if (coin_data.cap24hrChange >= 0.0) {
$(price).html(_price).removeClass().addClass(_class + ' price').data("usd", _price);
} else {
$(price).html(_price).removeClass().addClass(_class + ' price').data("usd", _price);
}
if (coin_data.cap24hrChange >= 0.0) {
$(price).html(_price).removeClass().addClass(_class2 + ' price').data("usd", _price);
} else {
$(price).html(_price).removeClass().addClass(_class2 + ' price').data("usd", _price);
}
$(volume).html(formatter.format(coin_data.volume));
$(capital).html(formatter.format(coin_data.mktcap));
$(supply).html(coin_data.supply);
if (_price !== previous_price) {
_class = previous_price < _price ? 'increment' : 'decrement';
_class2 = previous_price < _price ? 'pump' : 'dump';
$(row).addClass(_class);
setTimeout(function () {
$(row).removeClass('increment decrement');
}, 300);
}
}
};

How to process large jquery each loop without crashing browser(mainly firefox)

I made a javascript code to create some html element in parent iframe based on user selection from an iframe in a popup.
My code is given below.
The each loop may contain 50 to 150 iteration. Sometimes when I call function AddProcedures the Mozilla crashes during iteration, Is there any way to fix this issue or to reduce the browser load. I tried to put setTimeout after some code blocks but it didn't help.
I have also changed the for loop to jquery each, just to try if that helps.
var tot_codes = 0;
function doAddProcedure(thisVal,resolve){
var enc_id = $("#cpt_encounter").val();
var rowId = window.parent.$("[data-encounterBilled='"+ enc_id +"']").closest('tr').attr('id'); // table row ID
var recalc = parseInt(rowId.substring(rowId.indexOf('id-')+3));
var countval = $("#last_id").val();
//Load issue Fix
//Old code
//for (i = 0; i < document.cpt.elements.length; i++) {
//if (document.cpt.elements[i].type == "checkbox") {
//if (document.cpt.elements[i].checked == true) {
$('#cpt input:checkbox:checked').each(function(){
setTimeout(function() { }, 100);
var currentCodeMod = $(this).attr("data-codemod");
var currentCodeTypid = $(this).attr("data-codeTypeid");
if (currentCodeMod == null)
return;
tot_codes++;
var nextcntval = parseInt(countval) + 1;
var code_no = $(this).attr("id").replace("cpt_chkbx", "");
var Code = $("#codeVal" + code_no).val();
var just = $("#codeType" + code_no).val();
var categoryId = $("#codeType" + code_no).data("categoryid"); //Added to get category //Bug Fix
var Name = $("#cpttext" + code_no).val();
var codedisp = Code + ':' + Name;
var Modifier = '';
//if($("#modifier_setngs").val() == 1){
var Modifier1 = $("#modcpt1"+code_no).val() != '' ? $("#modcpt1"+code_no).val() + ":" : '';
var Modifier2 = $("#modcpt2"+code_no).val() != '' ? $("#modcpt2"+code_no).val() + ":" : '';
var Modifier3 = $("#modcpt3"+code_no).val() != '' ? $("#modcpt3"+code_no).val() + ":" : '';
var Modifier4 = $("#modcpt4"+code_no).val() != '' ? $("#modcpt4"+code_no).val() + ":" : '';
Modifier = Modifier1 + Modifier2 + Modifier3 + Modifier4;
//}
var codetableid = $("#code_tab_id" + code_no).val();
var j = countval; /* lineitem wise uniqid */
//var encounter = window.parent.$('#codetype-' + j).closest('tr.charge-entry-row').find('.expand-actions').attr('data-encounterid');
var encounter = enc_id;
var codeforarr = encounter + ':' + just + ':' + Code + '::' + Modifier;
window.parent.pushToArray(codeforarr);
var f = 0;
$(window.parent.$("#codetype-" + countval).parents().find('.inner-table .charge-entry-row')).each(function() {
//console.log($(this).find('.inputStringHidden').val() + '/' + codeforarr);
if ($(this).find('.inputStringHidden').val() == codeforarr) {
var exis_row_id = $(this).find('.inputStringHidden').attr('id').split('inputStringHidden-');
j = exis_row_id[1].toString();
f = 1;
$(this).find('.front_pay_codes_display').trigger('click');
}
});
if (f == 0) {
if (window.parent.document.getElementById('inputStringHidden-' + countval).value != '') {
window.parent.$("#codetype-" + countval).children().parent().parent().parent().siblings().find('.addnew-row').attr('data-rowadd', 'fromdb').trigger("click");
countval = parseInt(countval) + 1;
j = countval.toString();
}
window.parent.$("#add-" + countval).trigger("click");
window.parent.$("#codetype-" + (countval)).val(currentCodeTypid);
window.parent.$("#codetype-" + countval).trigger("change");
}
window.parent.document.getElementById('inputString' + j).value = codedisp;
window.parent.document.getElementById('category-' + j).value = categoryId; //Added to set category //Bug Fix
window.parent.document.getElementById('string_id' + j).value = Code;
window.parent.document.getElementById('string_value' + j).value = Name;
window.parent.document.getElementById('inputStringHidden-' + j).value = codeforarr;
window.parent.document.getElementById('codetableid-' + j).value = codetableid;
window.parent.$("#inputString" + j).closest('tr.charge-entry-row').find('.val-change-bit').val(1);
setTimeout(function() {}, 100);
window.parent.$("#suggestions" + j).hide();
window.parent.$("#inputString" + j).focus();
var uniqidHidden = window.parent.$("#inputString" + j).closest('tr.charge-entry-row').find('.uniqid-hidden').val();
window.parent.$('#add-modifier' + j).parent().find('.displaymode-elem').text(Modifier);
//if($("#modifier_setngs").val() == 1){
if (f == 0) {
window.parent.$('#add-modifier' + j).parent().find('.displaymode-elem').addClass('area-hide');
}else{
window.parent.$('#add-modifier' + j).parent().find('.displaymode-elem').removeClass('area-hide');
}
window.parent.$('#modifiers' + uniqidHidden).val(Modifier);
arr = Modifier.split(':');
window.parent.$('#modifier-' + uniqidHidden + '-1').val(arr[0]);
window.parent.$('#modifier-' + uniqidHidden + '-2').val(arr[1]);
window.parent.$('#modifier-' + uniqidHidden + '-3').val(arr[2]);
window.parent.$('#modifier-' + uniqidHidden + '-4').val(arr[3]);
//}
var eclaimPlanActive = window.parent.$('#eclaimPlanActive').val();
var price = $("#cpt_price" + code_no).val();
var price_level = $("#pricelevelhidden" + code_no).val();
if (price == 0 || price == null)
price = 0;
window.parent.$('#price-' + j).val(price);
window.parent.$('#bill-pricelevel-' + j).val(price_level);
/** Charge Total **/
var chargeTotal = window.parent.$('#charge-total').text().replace(/[\s\,]/g, '').trim();
if (chargeTotal == '')
chargeTotal = parseFloat(0);
var tempChargeTotal = parseFloat(chargeTotal) + parseFloat(price);
window.parent.$('#charge-total span').html(tempChargeTotal);
/** End **/
var units = $("#cpt_units" + code_no).val(); //data[0]['units']
if (units == 0 || units == null)
units = 1;
window.parent.$('#qty-' + j).val(units);
var tax = 0;
var disc = 0;
setTimeout(function() { }, 100);
if (window.parent.$('#tax-' + j).length > 0)
tax = window.parent.$('#tax-' + j).val().replace(/[\s\,]/g, '');
if (window.parent.$('#discount-' + j).length > 0)
disc = window.parent.$('#discount-' + j).val().replace(/[\s\,]/g, '');
var amount = price * units;
amount = amount + ((amount * tax) / 100);
if (disc > 0) {
var p = price * units;
var dc = ((p * disc) / 100);
amount = amount - dc;
}
/** Discount Total **/
var disTotal = window.parent.$('#discount-total').text().replace(/[\s\,]/g, '').trim();
if (disTotal == '')
disTotal = parseFloat(0);
var tempDisTotal = parseFloat(disTotal) + parseFloat(dc);
if (isNaN(tempDisTotal) == true) {
tempDisTotal = '0.00';
}
window.parent.$('#discount-total').html(tempDisTotal);
/** End **/
if (!parseFloat(window.parent.$('#lineitempaid-' + j).val()))
window.parent.$('#lineitempaid-' + j).val('0.00');
window.parent.$('#total-' + j).val(amount);
window.parent.$('#remainder-' + j).val(amount);
window.parent.$('#hidremainder-' + j).val(amount);
//insurance and patient_share
if (eclaimPlanActive == '1') {
var codetableid = window.parent.$('#codetableid-' + j).val();
var parentRowVal = parseInt(window.parent.$('#codetableid-' + j).closest('tr').find('.row_value').attr('data-rowvalue')) - 1;
var insData1 = window.parent.$('tr#row-id-' + parentRowVal + ' .encounter').attr('data-insdata1');
window.parent.getBenefitCategoryOfCode(j, codetableid, insData1);
if (window.parent.$('#have-benefit').val() == '0') {
var insData2 = window.parent.$('tr#row-id-' + parentRowVal + ' .encounter').attr('data-insdata2');
window.parent.getBenefitCategoryOfCode(j, codetableid, insData2);
}
}
var passParams = '';
window.parent.calculate('qty-' + j, passParams);
//Updating the title
window.parent.$("#inputString" + j).closest('tr.charge-entry-row').find('.fi-searchitems').attr('data-original-title', codedisp);
if (f == 0) {
//Display DIv :: Relace with new values
var cloneLabel = window.parent.$("#inputString" + j).closest('tr.charge-entry-row').find('.show_label').clone();
//In Edit Mode
if (cloneLabel.find('.displaymode-elem').length > 0) {
var $max_length = 16;
var trucncateCode = Name;
if (trucncateCode.length > $max_length)
trucncateCode = trucncateCode.substring(0, $max_length) + '...';
cloneLabel.find('.front_pay_codetype').text(just + ":");
cloneLabel.find('.front_pay_code').text(trucncateCode);
cloneLabel.find('.displaymode-elem').removeClass('area-hide');
cloneLabel.removeClass('area-hide');
cloneLabel.find("input[name='code_type']").val(just).attr('id', 'code_type-' + j);
cloneLabel.find("input[name='string_id']").val(Code).attr('id', 'string_id-' + j);
cloneLabel.find("input[name='string_value']").val(Name);
var dataType = $("#inputString" + j).closest('tr.charge-entry-row').find('.data_type').val();
if (dataType == "lab") {
var lab = $("select[name='lab_type']").find('option:selected').val();
if (cloneLabel.find("input[name='lab_type']").length > 0) {
cloneLabel.find("input[name='lab_type']").val(lab);
} else {
cloneLabel.append('<input type="hidden" name="lab_type" class="lab_type" value="' + lab + '">');
}
} else {
cloneLabel.find("input[name='lab_type']").remove();
}
setTimeout(function() { }, 100);
//Making the view
cloneLabel.removeClass('area-hide');
window.parent.$("#inputString" + j).closest('tr.charge-entry-row').find('.front_pay_codes_editelem').removeClass('area-show').addClass('area-hide');
window.parent.$("#inputString" + j).closest('tr.charge-entry-row').find('.show_label').replaceWith(cloneLabel);
window.parent.$("#inputString" + j).closest('tr.charge-entry-row').find('.show_autosuggest').html('');
}
window.parent.$("#codetype-" + countval).children().parent().parent().parent().siblings().find('.addnew-row').attr('data-rowadd', 'fromdb').trigger("click");
countval = nextcntval.toString();
}
else {
window.parent.$("#suggestions" + j).hide();
countval = countval.toString();
}
setTimeout(function() { }, 150);
});
window.parent.reCalculatePlanEncounterWise(recalc);
resolve("Success!");
}
function doAddPromise(thisVal){
return new Promise(function(resolve){
doAddProcedure(thisVal,resolve);
});
}
function AddProcedures(thisval)
{
$('#procedureSaveButton').text('Processing....');
// $('.fa-spinner').removeClass('hide');
top.ShowAjaxLoader('Loading..');
setTimeout(function(){
}, 2000);
//top.ShowAjaxLoader('Loading..');
setTimeout(function(){
$.when(doAddPromise(thisval)).done(function(){
if (tot_codes > 0) {
window.parent.phFrntpayClosePopup();
top.notification('Successfully added the procedures.');
//top.HideAjaxLoader('Loading..');
top.HideAjaxLoader();
$('body').removeClass('modal-open');
} else {
top.notification('Please select atleast one procedure.');
$('#procedureSaveButton').text('Add Procedures');
//$('.fa-spinner').addClass('hide');
top.HideAjaxLoader();
}
});
}, 10);
}

Stuck with migrating to youtube api v3

so im trying to make a script for youtube in my psp and when i try to play it crashes.
var YouTube = new Object();
YouTube.rev = 4;
YouTube.SearchDesc = "YouTube by NT and JCRV";
YouTube.Name = "YouTube";
YouTube.Search = function(keyword, page) {
var result = new Object();
result.bypage = 20;
result.start = (page - 1) * result.bypage + 1;
var sortBy = "relevance";
var catSpecified = false;
if (keyword.charAt(0) == '$')
{
var keywordBu = keyword;
var kpos = keyword.indexOf(" ");
var category = keyword.substring(1, kpos);
keyword = keyword.substring(kpos + 1);
catSpecified = true;
}
if (keyword.charAt(0) == '#')
{
sortBy = "published";
}
if (catSpecified == false)
{
c = GetContents('https://www.googleapis.com/youtube/v3/search?q=' + escape(keyword) + '&maxResults=' + result.bypage + '&order=' + sortBy + '&part=snippet&key=AIzaSyD6Bdt4uJP0ewhNtgagGbSszfrYqcx6ydU');
}
else
{
c = GetContents('https://www.googleapis.com/youtube/v3/search?q=' + escape(keyword) + '&maxResults=' + result.bypage + '&order=' + sortBy + '&part=snippet&key=AIzaSyD6Bdt4uJP0ewhNtgagGbSszfrYqcx6ydU');
}
result.total = ext("<openSearch:totalResults>");
result.VideoInfo = new Array();
v = {attr: 2};
v.id = 0;
v.Title = "YouTube Search Help";
v.Description = "#query = search by upload date\n$category query = search in a category";
v.URL = '';
p = 0;
result.VideoInfo.push(v);
while (p = c.indexOf("<entry", p) + 1) {
v = {attr: 2};//neither IDA|npp find this string ...0=RD 1= 2=SRD 3=S
v.id = ext("https://www.googleapis.com/youtube/v3/videos?id=", "&key=AIzaSyD6Bdt4uJP0ewhNtgagGbSszfrYqcx6ydU&part=snippet,contentDetails,statistics,status&forMine=true&type=video");
v.Title = ext("<title type='text'>");
v.Description = ext("content type='text'>") + '\nUploader:' + ext("<name>");
v.CommentCount = ext("statistics.commentCount='") * 1;
v.Tags = ext("keywords>").replace(/,/g, "");
v.LengthSeconds = ext("contentDetails.duration='") * 1;
v.RatingAvg = ext("contentDetails.contentRating='") * 1;
v.RatingCount = ext("statistics.likeCount='") * 1;
v.MylistCount = ext("statistics.favoriteCount='") * 1;
v.ViewCount = ext("statistics.viewCount='") * 1;
v.ThumbnailURL = 'http://i.ytimg.com/vi/' + v.id + '/default.jpg';
v.SaveFilename = v.id + ".flv";
v.URL = 'YouTube.play("' + v.id + '")';
result.VideoInfo.push(v);
}
result.end = result.start - 1 + result.VideoInfo.length;
return result;
}
YouTube.play = function(id) {
var pos;
c = GetContents("http://www.youtube.com/get_video_info?html5=1&video_id=" + id);
//PSPTube.log("\n" + c + "\n");
pos = c.indexOf("url_encoded_fmt_stream_map");
if (pos == -1) {
alert("Can not be played");
return "";
}
c = ext('url_encoded_fmt_stream_map', "&");
p = 0;
c = unescape(c);
var url = c.match(/url=(.+?itag%3D5.*?)[&,]/);
//PSPTube.log("\n" + url + "\n");
url = url[1];
//PSPTube.log("\n" + url + "\n");
pos = url.lastIndexOf("http");
url = url.substr(pos);
url = unescape(url);
//PSPTube.log("\n" + url + "\n");
return url;
}
SiteList.push(YouTube);

Slider refuses to center photos, forces left justified

This is a really great slider but it has just one annoying fault. If I have different widths of images, the ones that are too small for the default width, are left justified. I've tried every which way to do it with the html/css but it's somewhere in the js I think. I even loaded the js after the images load and it still put it left justified even though they were centered for that split second before the js loaded. What seems to happen is, the js takes the smaller width image and makes it the full default width and adds whitespace to the right of it, essentially making it a full width image. I am just curious if this is customizable so that the photo is centered and whitespace is added on either side.
Any thoughts are appreciated, thanks for taking a look.
(function ($) {
var params = new Array;
var order = new Array;
var images = new Array;
var links = new Array;
var linksTarget = new Array;
var titles = new Array;
var interval = new Array;
var imagePos = new Array;
var appInterval = new Array;
var squarePos = new Array;
var reverse = new Array;
$.fn.coinslider = $.fn.CoinSlider = function (options) {
init = function (el) {
order[el.id] = new Array();
images[el.id] = new Array();
links[el.id] = new Array();
linksTarget[el.id] = new Array();
titles[el.id] = new Array();
imagePos[el.id] = 0;
squarePos[el.id] = 0;
reverse[el.id] = 1;
params[el.id] = $.extend({}, $.fn.coinslider.defaults, options);
$.each($('#' + el.id + ' img'), function (i, item) {
images[el.id][i] = $(item).attr('src');
links[el.id][i] = $(item).parent().is('a') ? $(item).parent().attr('href') : '';
linksTarget[el.id][i] = $(item).parent().is('a') ? $(item).parent().attr('target') : '';
titles[el.id][i] = $(item).next().is('span') ? $(item).next().html() : '';
$(item).hide();
$(item).next().hide();
});
$(el).css({
'background-image': 'url(' + images[el.id][0] + ')',
'width': params[el.id].width,
'height': params[el.id].height,
'position': 'relative',
'background-position': 'top left'
}).wrap("<div class='coin-slider' id='coin-slider-" + el.id + "' />");
$('#' + el.id).append("<div class='cs-title' id='cs-title-" + el.id + "' style='position: absolute; bottom:0; left: 0; z-index: 1000;'></div>");
$.setFields(el);
if (params[el.id].navigation) $.setNavigation(el);
$.transition(el, 0);
$.transitionCall(el);
}
$.setFields = function (el) {
tWidth = sWidth = parseInt(params[el.id].width / params[el.id].spw);
tHeight = sHeight = parseInt(params[el.id].height / params[el.id].sph);
counter = sLeft = sTop = 0;
tgapx = gapx = params[el.id].width - params[el.id].spw * sWidth;
tgapy = gapy = params[el.id].height - params[el.id].sph * sHeight;
for (i = 1; i <= params[el.id].sph; i++) {
gapx = tgapx;
if (gapy > 0) {
gapy--;
sHeight = tHeight + 1;
} else {
sHeight = tHeight;
}
for (j = 1; j <= params[el.id].spw; j++) {
if (gapx > 0) {
gapx--;
sWidth = tWidth + 1;
} else {
sWidth = tWidth;
}
order[el.id][counter] = i + '' + j;
counter++;
if (params[el.id].links) $('#' + el.id).append("<a href='" + links[el.id][0] + "' class='cs-" + el.id + "' id='cs-" + el.id + i + j + "' style='width:" + sWidth + "px; height:" + sHeight + "px; float: left; position: absolute;'></a>");
else $('#' + el.id).append("<div class='cs-" + el.id + "' id='cs-" + el.id + i + j + "' style='width:" + sWidth + "px; height:" + sHeight + "px; float: left; position: absolute;'></div>");
$("#cs-" + el.id + i + j).css({
'background-position': -sLeft + 'px ' + (-sTop + 'px'),
'left': sLeft,
'top': sTop
});
sLeft += sWidth;
}
sTop += sHeight;
sLeft = 0;
}
$('.cs-' + el.id).mouseover(function () {
$('#cs-navigation-' + el.id).show();
});
$('.cs-' + el.id).mouseout(function () {
$('#cs-navigation-' + el.id).hide();
});
$('#cs-title-' + el.id).mouseover(function () {
$('#cs-navigation-' + el.id).show();
});
$('#cs-title-' + el.id).mouseout(function () {
$('#cs-navigation-' + el.id).hide();
});
if (params[el.id].hoverPause) {
$('.cs-' + el.id).mouseover(function () {
params[el.id].pause = true;
});
$('.cs-' + el.id).mouseout(function () {
params[el.id].pause = false;
});
$('#cs-title-' + el.id).mouseover(function () {
params[el.id].pause = true;
});
$('#cs-title-' + el.id).mouseout(function () {
params[el.id].pause = false;
});
}
};
$.transitionCall = function (el) {
clearInterval(interval[el.id]);
delay = params[el.id].delay + params[el.id].spw * params[el.id].sph * params[el.id].sDelay;
interval[el.id] = setInterval(function () {
$.transition(el)
}, delay);
}
$.transition = function (el, direction) {
if (params[el.id].pause == true) return;
$.effect(el);
squarePos[el.id] = 0;
appInterval[el.id] = setInterval(function () {
$.appereance(el, order[el.id][squarePos[el.id]])
}, params[el.id].sDelay);
$(el).css({
'background-image': 'url(' + images[el.id][imagePos[el.id]] + ')'
});
if (typeof (direction) == "undefined") imagePos[el.id]++;
else if (direction == 'prev') imagePos[el.id]--;
else imagePos[el.id] = direction;
if (imagePos[el.id] == images[el.id].length) {
imagePos[el.id] = 0;
}
if (imagePos[el.id] == -1) {
imagePos[el.id] = images[el.id].length - 1;
}
$('.cs-button-' + el.id).removeClass('cs-active');
$('#cs-button-' + el.id + "-" + (imagePos[el.id] + 1)).addClass('cs-active');
if (titles[el.id][imagePos[el.id]]) {
$('#cs-title-' + el.id).css({
'opacity': 0
}).animate({
'opacity': params[el.id].opacity
}, params[el.id].titleSpeed);
$('#cs-title-' + el.id).html(titles[el.id][imagePos[el.id]]);
} else {
$('#cs-title-' + el.id).css('opacity', 0);
}
};
$.appereance = function (el, sid) {
$('.cs-' + el.id).attr('href', links[el.id][imagePos[el.id]]).attr('target', linksTarget[el.id][imagePos[el.id]]);
if (squarePos[el.id] == params[el.id].spw * params[el.id].sph) {
clearInterval(appInterval[el.id]);
return;
}
$('#cs-' + el.id + sid).css({
opacity: 0,
'background-image': 'url(' + images[el.id][imagePos[el.id]] + ')',
'background-repeat': 'no-repeat',
'background-color': '#fff',
});
$('#cs-' + el.id + sid).animate({
opacity: 1
}, 300);
squarePos[el.id]++;
};
$.setNavigation = function (el) {
$(el).append("<div id='cs-navigation-" + el.id + "'></div>");
$('#cs-navigation-' + el.id).hide();
$('#cs-navigation-' + el.id).append("<a href='#' id='cs-prev-" + el.id + "' class='cs-prev'></a>");
$('#cs-navigation-' + el.id).append("<a href='#' id='cs-next-" + el.id + "' class='cs-next'></a>");
$('#cs-prev-' + el.id).css({
'position': 'absolute',
'top': 0,
'left': 0,
'z-index': 1001,
'line-height': '30px',
'opacity': params[el.id].opacity
}).click(function (e) {
e.preventDefault();
$.transition(el, 'prev');
$.transitionCall(el);
}).mouseover(function () {
$('#cs-navigation-' + el.id).show()
});
$('#cs-next-' + el.id).css({
'position': 'absolute',
'top': 0,
'right': 0,
'z-index': 1001,
'line-height': '30px',
'opacity': params[el.id].opacity
}).click(function (e) {
e.preventDefault();
$.transition(el);
$.transitionCall(el);
}).mouseover(function () {
$('#cs-navigation-' + el.id).show()
});
$("<div id='cs-buttons-" + el.id + "' class='cs-buttons'></div>").appendTo($('#coin-slider-' + el.id));
for (k = 1; k < images[el.id].length + 1; k++) {
$('#cs-buttons-' + el.id).append("<a href='#' class='cs-button-" + el.id + "' id='cs-button-" + el.id + "-" + k + "'>" + k + "</a>");
}
$.each($('.cs-button-' + el.id), function (i, item) {
$(item).click(function (e) {
$('.cs-button-' + el.id).removeClass('cs-active');
$(this).addClass('cs-active');
e.preventDefault();
$.transition(el, i);
$.transitionCall(el);
})
});
$('#cs-navigation-' + el.id + ' a').mouseout(function () {
$('#cs-navigation-' + el.id).hide();
params[el.id].pause = false;
});
$("#cs-buttons-" + el.id) /*.css({'right':'50%','margin-left':-images[el.id].length*15/2-5,'position':'relative'})*/
;
}
$.effect = function (el) {
effA = ['random', 'swirl', 'rain', 'straight'];
if (params[el.id].effect == '') eff = effA[Math.floor(Math.random() * (effA.length))];
else eff = params[el.id].effect;
order[el.id] = new Array();
if (eff == 'random') {
counter = 0;
for (i = 1; i <= params[el.id].sph; i++) {
for (j = 1; j <= params[el.id].spw; j++) {
order[el.id][counter] = i + '' + j;
counter++;
}
}
$.random(order[el.id]);
}
if (eff == 'rain') {
$.rain(el);
}
if (eff == 'swirl') $.swirl(el);
if (eff == 'straight') $.straight(el);
reverse[el.id] *= -1;
if (reverse[el.id] > 0) {
order[el.id].reverse();
}
}
$.random = function (arr) {
var i = arr.length;
if (i == 0) return false;
while (--i) {
var j = Math.floor(Math.random() * (i + 1));
var tempi = arr[i];
var tempj = arr[j];
arr[i] = tempj;
arr[j] = tempi;
}
}
$.swirl = function (el) {
var n = params[el.id].sph;
var m = params[el.id].spw;
var x = 1;
var y = 1;
var going = 0;
var num = 0;
var c = 0;
var dowhile = true;
while (dowhile) {
num = (going == 0 || going == 2) ? m : n;
for (i = 1; i <= num; i++) {
order[el.id][c] = x + '' + y;
c++;
if (i != num) {
switch (going) {
case 0:
y++;
break;
case 1:
x++;
break;
case 2:
y--;
break;
case 3:
x--;
break;
}
}
}
going = (going + 1) % 4;
switch (going) {
case 0:
m--;
y++;
break;
case 1:
n--;
x++;
break;
case 2:
m--;
y--;
break;
case 3:
n--;
x--;
break;
}
check = $.max(n, m) - $.min(n, m);
if (m <= check && n <= check) dowhile = false;
}
}
$.rain = function (el) {
var n = params[el.id].sph;
var m = params[el.id].spw;
var c = 0;
var to = to2 = from = 1;
var dowhile = true;
while (dowhile) {
for (i = from; i <= to; i++) {
order[el.id][c] = i + '' + parseInt(to2 - i + 1);
c++;
}
to2++;
if (to < n && to2 < m && n < m) {
to++;
}
if (to < n && n >= m) {
to++;
}
if (to2 > m) {
from++;
}
if (from > to) dowhile = false;
}
}
$.straight = function (el) {
counter = 0;
for (i = 1; i <= params[el.id].sph; i++) {
for (j = 1; j <= params[el.id].spw; j++) {
order[el.id][counter] = i + '' + j;
counter++;
}
}
}
$.min = function (n, m) {
if (n > m) return m;
else return n;
}
$.max = function (n, m) {
if (n < m) return m;
else return n;
}
this.each(function () {
init(this);
});
};
$.fn.coinslider.defaults = {
width: 828,
height: 200,
spw: 1,
sph: 1,
delay: 4000,
sDelay: 30,
opacity: 0.7,
titleSpeed: 500,
effect: '',
navigation: true,
links: false,
hoverPause: true
};
})(jQuery);

It seems to be taking the image source url and putting it into the background of the slider. I would first try changing
'background-position': 'top left'
to:
'background-position': 'center center'
... actually, the entire script seems geared towards tiling the images. I'd imagine that's the technique it uses to generate some of its cool effects. This line is where it's centering the current image within the tile defined by sph and spw.
'background-position': -sLeft + 'px ' + (-sTop + 'px'),
and if you use spw=1 and sph=1 you can center it by changing that to a fixed 'center center'.
I don't really care for this script in terms of general purpose, but it seems to have worked well for the person who wrote it.

this is my hacky solution
<script>
$(window).load(function() {
$('#coin-slider').coinslider({
opacity: 0.6,
effect: "rain",
hoverPause: true,
dely: 3000
});
// center coin slider
setTimeout(function(){
centerCS();
},500);
});
// center coin slider image
function centerCS(){
var w=$(".container").width(); // container of coin slider
var csw=$("#coin-slider").width();
var lpad=(w-csw)/2;
$("#coin-slider").css("margin-left",lpad+"px");
}
</script>

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