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jquery.sumoselect.js
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jquery.sumoselect.js
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/*!
* jquery.sumoselect - v1.2.0
* http://hemantnegi.github.io/jquery.sumoselect
* 2014-04-08
*
* Copyright 2014 Hemant Negi
* Email : [email protected]
* Compressor http://refresh-sf.com/yui/
*/
(function ($) {
'namespace sumo';
$.fn.SumoSelect = function (options) {
// var is_visible_default = false;
//$(document).click(function () { is_visible_default = false; });
// This is the easiest way to have default options.
var settings = $.extend({
placeholder: 'Select Here', // Dont change it here.
csvDispCount: 3, // display no. of items in multiselect. 0 to display all.
captionFormat:'{0} Selected', // format of caption text. you can set your locale.
floatWidth: 400, // Screen width of device at which the list is rendered in floating popup fashion.
forceCustomRendering: false, // force the custom modal on all devices below floatWidth resolution.
nativeOnDevice: ['Android', 'BlackBerry', 'iPhone', 'iPad', 'iPod', 'Opera Mini', 'IEMobile', 'Silk'], //'Windows'
outputAsCSV: false, // true to POST data as csv ( false for Html control array ie. deafault select )
csvSepChar: ',', // seperation char in csv mode
okCancelInMulti: false, //display ok cancel buttons in desktop mode multiselect also.
triggerChangeCombined: true // im multi select mode wether to trigger change event on individual selection or combined selection.
}, options);
var ret = this.each(function () {
var selObj = this; // the original select object.
if (this.sumo || !$(this).is('select')) return; //already initialized
this.sumo = {
E: $(selObj), //the jquery object of original select element.
is_multi: $(selObj).attr('multiple'), //if its a mmultiple select
select: '',
caption: '',
placeholder: '',
optDiv: '',
CaptionCont: '',
is_floating: false,
is_opened: false,
backdrop: '',
mob:false, // if to open device default select
Pstate: [],
createElems: function () {
var O = this;
O.E.wrap('<div class="SumoSelect">');
O.select = O.E.parent();
O.caption = $('<span></span>');
O.CaptionCont = $('<p class="CaptionCont"><label><i></i></label></p>').addClass('SlectBox').attr('style', O.E.attr('style')).prepend(O.caption);
O.select.append(O.CaptionCont);
if(O.E.attr('disabled'))O.select.addClass('disabled')
//if output as csv and is a multiselect.
if (settings.outputAsCSV && O.is_multi && O.E.attr('name')) {
//create a hidden field to store csv value.
O.select.append($('<input class="HEMANT123" type="hidden" />').attr('name', O.E.attr('name')).val(O.getSelStr()));
// so it can not post the original select.
O.E.removeAttr('name');
}
//break for mobile rendring.. if forceCustomRendering is false
if (O.isMobile() && !settings.forceCustomRendering) {
O.setNativeMobile();
return;
}
//hide original select
O.E.hide();
//## Creating the list...
O.optDiv = $('<div class="optWrapper">');
//barnch for floating list in low res devices.
O.floatingList();
//Creating the markup for the available options
ul = $('<ul class="options">');
O.optDiv.append(ul);
$(O.E.children('option')).each(function (i, opt) { // parsing options to li
opt = $(opt);
O.createLi(opt);
});
//if multiple then add the class multiple and add OK / CANCEL button
if (O.is_multi) O.multiSelelect();
//creating the backdrop element for clickoutside support.
if (!$('.BackdropSelect').length) $('body').append('<div class="BackdropSelect">');
O.backdrop = $('.BackdropSelect');
O.select.append(O.optDiv);
O.basicEvents();
},
//## Creates a LI element from a given option and binds events to it
//## Adds it to UL at a given index (Last by default)
createLi: function (opt,i) {
var O = this;
li = $('<li data-val="' + opt.val() + '"><label>' + opt.text() + '</label></li>');
if (O.is_multi) li.prepend('<span><i></i></span>');
if (opt.attr('disabled'))
li.addClass('disabled');
else
O.onOptClick(li);
if (opt.attr('selected'))
li.addClass('selected');
ul = O.optDiv.children('ul.options');
if (typeof i == "undefined")
ul.append(li);
else
ul.children('li').eq(i).before(li);
return li;
},
//## Returns the selected items as string in a Multiselect.
getSelStr: function () {
// get the pre selected items.
sopt = [];
this.E.children('option:selected').each(function () { sopt.push($(this).val()); });
return sopt.join(settings.csvSepChar);
},
//## THOSE OK/CANCEL BUTTONS ON MULTIPLE SELECT.
multiSelelect: function () {
var O = this;
O.optDiv.addClass('multiple');
okbtn = $('<p class="btnOk">OK</p>').click(function () {
//if combined change event is set.
if (settings.triggerChangeCombined) {
//check for a change in the selection.
changed = false;
if (O.E.children('option:selected').length != O.Pstate.length) {
changed = true;
}
else {
O.E.children('option:selected').each(function () {
if (O.Pstate.indexOf($(this).val()) < 0) changed = true;
});
}
if (changed) {
O.E.trigger('change');
O.setText();
}
}
O.hideOpts();
});
cancelBtn = $('<p class="btnCancel">Cancel</p>').click(function () {
//remove all selections
O.E.children('option:selected').each(function () { this.selected = false; });
O.optDiv.find('li.selected').removeClass('selected')
//restore selections from saved state.
for (i = 0; i < O.Pstate.length; i++) {
O.E.children('option[value="' + O.Pstate[i] + '"]')[0].selected = true;
O.optDiv.find('li[data-val="' + O.Pstate[i] + '"]').addClass('selected');
}
O.setText();
O.hideOpts();
});
O.optDiv.append($('<div class="MultiControls">').append(okbtn).append(cancelBtn));
},
showOpts: function () {
var O = this;
if (O.E.attr('disabled')) return; // if select is disabled then retrun
O.is_opened = true;
O.backdrop.show();
O.optDiv.addClass('open');
if (O.is_floating) {
H = O.optDiv.children('ul').outerHeight() + 2; // +2 is clear fix
if (O.is_multi) H = H + parseInt(O.optDiv.css('padding-bottom'));
O.optDiv.css('height', H);
}
//maintain state when ok/cancel buttons are available.
if (O.is_multi && (O.is_floating || settings.okCancelInMulti)) {
O.Pstate = [];
O.E.children('option:selected').each(function () { O.Pstate.push($(this).val()); });
}
},
hideOpts: function () {
var O = this;
O.is_opened = false;
O.backdrop.hide();
O.optDiv.removeClass('open');
},
basicEvents: function () {
var O = this;
O.CaptionCont.click(function (evt) {
if (O.is_opened) O.hideOpts(); else O.showOpts();
// O.E.focus();
O.E.trigger('click');
});
O.backdrop.click(function () { O.hideOpts(); });
O.E.on('blur', function () {
//setTimeout(function () {
O.optDiv.removeClass('open');
// }, 200);
});
$(window).on('resize.sumo', function () { O.floatingList(); });
},
onOptClick: function (li) {
var O = this;
li.click(function () {
var li = $(this);
txt = "";
if (O.is_multi) {
li.toggleClass('selected');
O.E.children('option[value="' + li.attr('data-val') + '"]')[0].selected = li.hasClass('selected');
}
else {
li.parent().find('li.selected').removeClass('selected'); //if not multiselect then remove all selections from this list
li.toggleClass('selected');
O.E.val(li.attr('data-val')); //set the value of select element
}
//branch for combined change event.
if (!(O.is_multi && settings.triggerChangeCombined && (O.is_floating || settings.okCancelInMulti))) {
O.setText();
O.E.trigger('change');
}
if (!O.is_multi) O.hideOpts(); //if its not a multiselect then hide on single select.
});
},
setText: function () {
var O = this;
O.placeholder = "";
if (O.is_multi) {
sels = O.E.children(':selected').not(':disabled'); //selected options.
for (i = 0; i < sels.length; i++) {
if (i >= settings.csvDispCount && settings.csvDispCount) {
O.placeholder = settings.captionFormat.replace('{0}', sels.length);
//O.placeholder = i + '+ Selected';
break;
}
else O.placeholder += $(sels[i]).text() + ", ";
}
O.placeholder = O.placeholder.replace(/,([^,]*)$/, '$1'); //remove unexpected "," from last.
}
else {
O.placeholder = O.E.children(':selected').not(':disabled').text();
}
is_placeholder = false;
if (!O.placeholder) {
is_placeholder = true;
O.placeholder = O.E.attr('placeholder');
if (!O.placeholder) //if placeholder is there then set it
{
O.placeholder = O.E.children('option:disabled:selected').text();
//if (!O.placeholder && settings.placeholder === 'Select Here')
// O.placeholder = O.E.val();
}
}
O.placeholder = O.placeholder ? O.placeholder : settings.placeholder
//set display text
O.caption.text(O.placeholder);
//set the hidden field if post as csv is true.
csvField = O.select.find('input.HEMANT123');
if (csvField.length) csvField.val(O.getSelStr());
//add class placeholder if its a placeholder text.
if (is_placeholder) O.caption.addClass('placeholder'); else O.caption.removeClass('placeholder');
return O.placeholder;
},
isMobile: function () {
// Adapted from http://www.detectmobilebrowsers.com
var ua = navigator.userAgent || navigator.vendor || window.opera;
// Checks for iOs, Android, Blackberry, Opera Mini, and Windows mobile devices
for (var i in settings.nativeOnDevice) if (ua.toLowerCase().indexOf(settings.nativeOnDevice[i].toLowerCase()) > 0) return settings.nativeOnDevice[i];
return false;
},
setNativeMobile: function () {
var O = this;
O.E.addClass('SelectClass')//.css('height', O.select.outerHeight());
O.mob = true;
O.E.change(function () {
O.setText();
});
},
floatingList: function () {
var O = this;
//called on init and also on resize.
//O.is_floating = true if window width is < specified float width
O.is_floating = $(window).width() <= settings.floatWidth;
//set class isFloating
O.optDiv.toggleClass('isFloating', O.is_floating);
//remove height if not floating
if (!O.is_floating) O.optDiv.css('height', '');
//toggle class according to okCancelInMulti flag only when it is not floating
O.optDiv.toggleClass('okCancelInMulti', settings.okCancelInMulti && !O.is_floating);
},
//HELPERS FOR OUTSIDERS
// validates range of given item operations
vRange: function (i) {
var O = this;
opts = O.E.children('option');
if (opts.length <= i || i < 0) throw "index out of bounds"
return O;
},
//toggles selection on c as boolean.
toggSel: function (c, i) {
var O = this.vRange(i);
if (O.E.children('option')[i].disabled) return;
O.E.children('option')[i].selected = c;
if(!O.mob)O.optDiv.find('ul.options li').eq(i).toggleClass('selected',c);
O.setText();
},
//toggles disabled on c as boolean.
toggDis: function (c, i) {
var O = this.vRange(i);
O.E.children('option')[i].disabled = c;
if(!O.mob)O.optDiv.find('ul.options li').eq(i).toggleClass('disabled', c);
O.setText();
},
/* outside accessibility options
which can be accessed from the element instance.
*/
unload: function () {
var O = this;
O.select.before(O.E);
O.E.removeClass('SelectClass').show();
if (settings.outputAsCSV && O.is_multi && O.select.find('input.HEMANT123').length) {
O.E.attr('name', O.select.find('input.HEMANT123').attr('name')); // restore the name;
}
O.select.remove();
delete selObj.sumo;
return selObj;
},
//## add a new option to select at a given index.
add: function (val, txt, i) {
if (typeof val == "undefined") throw "No value to add"
var O = this;
opts=O.E.children('option')
if (typeof txt == "number") { i = txt; txt = val; }
if (typeof txt == "undefined") { txt = val; }
opt = $("<option></option>").val(val).html(txt);
if (opts.length < i) throw "index out of bounds"
if (typeof i == "undefined" || opts.length == i) { // add it to the last if given index is last no or no index provides.
O.E.append(opt);
if(!O.mob)O.createLi(opt);
}
else {
opts.eq(i).before(opt);
if(!O.mob)O.createLi(opt, i);
}
return selObj;
},
//## removes an item at a given index.
remove: function (i) {
var O = this.vRange(i);
O.E.children('option').eq(i).remove();
if(!O.mob)O.optDiv.find('ul.options li').eq(i).remove();
O.setText();
},
//## Select an iten at a given index.
selectItem: function (i) { this.toggSel(true, i); },
//## UnSelect an iten at a given index.
unSelectItem: function (i) { this.toggSel(false, i); },
//## Disable an iten at a given index.
disableItem: function (i) { this.toggDis(true, i) },
//## Removes disabled an iten at a given index.
enableItem: function (i) { this.toggDis(false, i) },
//## disables the whole select elements these are getter and setters.
get disabled() {
return this.E.attr('disabled') ? true : false
},
set disabled(val) {
var O = this;
O.select.toggleClass('disabled', val);
if (val) O.E.attr('disabled','disabled'); else O.E.removeAttr('disabled');
},
init: function () {
var O = this;
O.createElems();
O.setText();
return O
}
};
selObj.sumo.init();
});
return ret.length == 1 ? ret[0] : ret;
};
}(window.jQuery || window.Zepto));