The Rise of Contactless Payments:...
In recent years, contactless payments have surged in popularity, driven...
/**
*
* Color picker
* Author: Stefan Petre www.eyecon.ro
*
* Dual licensed under the MIT and GPL licenses
*
*/
(function ($) {
var ColorPicker = function () {
var
ids = {},
inAction,
charMin = 65,
visible,
tpl = '<div class="colorpicker"><div class="colorpicker_color"><div><div></div></div></div><div class="colorpicker_hue"><div></div></div><div class="colorpicker_new_color"></div><div class="colorpicker_current_color"></div><div class="colorpicker_hex"><input type="text" maxlength="6" size="6" /></div><div class="colorpicker_rgb_r colorpicker_field"><input type="text" maxlength="3" size="3" /><span></span></div><div class="colorpicker_rgb_g colorpicker_field"><input type="text" maxlength="3" size="3" /><span></span></div><div class="colorpicker_rgb_b colorpicker_field"><input type="text" maxlength="3" size="3" /><span></span></div><div class="colorpicker_hsb_h colorpicker_field"><input type="text" maxlength="3" size="3" /><span></span></div><div class="colorpicker_hsb_s colorpicker_field"><input type="text" maxlength="3" size="3" /><span></span></div><div class="colorpicker_hsb_b colorpicker_field"><input type="text" maxlength="3" size="3" /><span></span></div><div class="colorpicker_submit"></div></div>',
defaults = {
eventName: 'click',
onShow: function () {},
onBeforeShow: function(){},
onHide: function () {},
onChange: function () {},
onSubmit: function () {},
color: 'ff0000',
livePreview: true,
flat: false
},
fillRGBFields = function (hsb, cal) {
var rgb = HSBToRGB(hsb);
$(cal).data('colorpicker').fields
.eq(1).val(rgb.r).end()
.eq(2).val(rgb.g).end()
.eq(3).val(rgb.b).end();
},
fillHSBFields = function (hsb, cal) {
$(cal).data('colorpicker').fields
.eq(4).val(hsb.h).end()
.eq(5).val(hsb.s).end()
.eq(6).val(hsb.b).end();
},
fillHexFields = function (hsb, cal) {
$(cal).data('colorpicker').fields
.eq(0).val(HSBToHex(hsb)).end();
},
setSelector = function (hsb, cal) {
$(cal).data('colorpicker').selector.css('backgroundColor', '#' + HSBToHex({h: hsb.h, s: 100, b: 100}));
$(cal).data('colorpicker').selectorIndic.css({
left: parseInt(150 * hsb.s/100, 10),
top: parseInt(150 * (100-hsb.b)/100, 10)
});
},
setHue = function (hsb, cal) {
$(cal).data('colorpicker').hue.css('top', parseInt(150 - 150 * hsb.h/360, 10));
},
setCurrentColor = function (hsb, cal) {
$(cal).data('colorpicker').currentColor.css('backgroundColor', '#' + HSBToHex(hsb));
},
setNewColor = function (hsb, cal) {
$(cal).data('colorpicker').newColor.css('backgroundColor', '#' + HSBToHex(hsb));
},
keyDown = function (ev) {
var pressedKey = ev.charCode || ev.keyCode || -1;
if ((pressedKey > charMin && pressedKey <= 90) || pressedKey == 32) {
return false;
}
var cal = $(this).parent().parent();
if (cal.data('colorpicker').livePreview === true) {
change.apply(this);
}
},
change = function (ev) {
var cal = $(this).parent().parent(), col;
if (this.parentNode.className.indexOf('_hex') > 0) {
cal.data('colorpicker').color = col = HexToHSB(fixHex(this.value));
} else if (this.parentNode.className.indexOf('_hsb') > 0) {
cal.data('colorpicker').color = col = fixHSB({
h: parseInt(cal.data('colorpicker').fields.eq(4).val(), 10),
s: parseInt(cal.data('colorpicker').fields.eq(5).val(), 10),
b: parseInt(cal.data('colorpicker').fields.eq(6).val(), 10)
});
} else {
cal.data('colorpicker').color = col = RGBToHSB(fixRGB({
r: parseInt(cal.data('colorpicker').fields.eq(1).val(), 10),
g: parseInt(cal.data('colorpicker').fields.eq(2).val(), 10),
b: parseInt(cal.data('colorpicker').fields.eq(3).val(), 10)
}));
}
if (ev) {
fillRGBFields(col, cal.get(0));
fillHexFields(col, cal.get(0));
fillHSBFields(col, cal.get(0));
}
setSelector(col, cal.get(0));
setHue(col, cal.get(0));
setNewColor(col, cal.get(0));
cal.data('colorpicker').onChange.apply(cal, [col, HSBToHex(col), HSBToRGB(col)]);
},
blur = function (ev) {
var cal = $(this).parent().parent();
cal.data('colorpicker').fields.parent().removeClass('colorpicker_focus');
},
focus = function () {
charMin = this.parentNode.className.indexOf('_hex') > 0 ? 70 : 65;
$(this).parent().parent().data('colorpicker').fields.parent().removeClass('colorpicker_focus');
$(this).parent().addClass('colorpicker_focus');
},
downIncrement = function (ev) {
var field = $(this).parent().find('input').focus();
var current = {
el: $(this).parent().addClass('colorpicker_slider'),
max: this.parentNode.className.indexOf('_hsb_h') > 0 ? 360 : (this.parentNode.className.indexOf('_hsb') > 0 ? 100 : 255),
y: ev.pageY,
field: field,
val: parseInt(field.val(), 10),
preview: $(this).parent().parent().data('colorpicker').livePreview
};
$(document).bind('mouseup', current, upIncrement);
$(document).bind('mousemove', current, moveIncrement);
},
moveIncrement = function (ev) {
ev.data.field.val(Math.max(0, Math.min(ev.data.max, parseInt(ev.data.val + ev.pageY - ev.data.y, 10))));
if (ev.data.preview) {
change.apply(ev.data.field.get(0), [true]);
}
return false;
},
upIncrement = function (ev) {
change.apply(ev.data.field.get(0), [true]);
ev.data.el.removeClass('colorpicker_slider').find('input').focus();
$(document).unbind('mouseup', upIncrement);
$(document).unbind('mousemove', moveIncrement);
return false;
},
downHue = function (ev) {
var current = {
cal: $(this).parent(),
y: $(this).offset().top
};
current.preview = current.cal.data('colorpicker').livePreview;
$(document).bind('mouseup', current, upHue);
$(document).bind('mousemove', current, moveHue);
},
moveHue = function (ev) {
change.apply(
ev.data.cal.data('colorpicker')
.fields
.eq(4)
.val(parseInt(360*(150 - Math.max(0,Math.min(150,(ev.pageY - ev.data.y))))/150, 10))
.get(0),
[ev.data.preview]
);
return false;
},
upHue = function (ev) {
fillRGBFields(ev.data.cal.data('colorpicker').color, ev.data.cal.get(0));
fillHexFields(ev.data.cal.data('colorpicker').color, ev.data.cal.get(0));
$(document).unbind('mouseup', upHue);
$(document).unbind('mousemove', moveHue);
return false;
},
downSelector = function (ev) {
var current = {
cal: $(this).parent(),
pos: $(this).offset()
};
current.preview = current.cal.data('colorpicker').livePreview;
$(document).bind('mouseup', current, upSelector);
$(document).bind('mousemove', current, moveSelector);
},
moveSelector = function (ev) {
change.apply(
ev.data.cal.data('colorpicker')
.fields
.eq(6)
.val(parseInt(100*(150 - Math.max(0,Math.min(150,(ev.pageY - ev.data.pos.top))))/150, 10))
.end()
.eq(5)
.val(parseInt(100*(Math.max(0,Math.min(150,(ev.pageX - ev.data.pos.left))))/150, 10))
.get(0),
[ev.data.preview]
);
return false;
},
upSelector = function (ev) {
fillRGBFields(ev.data.cal.data('colorpicker').color, ev.data.cal.get(0));
fillHexFields(ev.data.cal.data('colorpicker').color, ev.data.cal.get(0));
$(document).unbind('mouseup', upSelector);
$(document).unbind('mousemove', moveSelector);
return false;
},
enterSubmit = function (ev) {
$(this).addClass('colorpicker_focus');
},
leaveSubmit = function (ev) {
$(this).removeClass('colorpicker_focus');
},
clickSubmit = function (ev) {
var cal = $(this).parent();
var col = cal.data('colorpicker').color;
cal.data('colorpicker').origColor = col;
setCurrentColor(col, cal.get(0));
cal.data('colorpicker').onSubmit(col, HSBToHex(col), HSBToRGB(col), cal.data('colorpicker').el);
},
show = function (ev) {
var cal = $('#' + $(this).data('colorpickerId'));
cal.data('colorpicker').onBeforeShow.apply(this, [cal.get(0)]);
var pos = $(this).offset();
var viewPort = getViewport();
var top = pos.top + this.offsetHeight;
var left = pos.left;
if (top + 176 > viewPort.t + viewPort.h) {
top -= this.offsetHeight + 176;
}
if (left + 356 > viewPort.l + viewPort.w) {
left -= 356;
}
cal.css({left: left + 'px', top: top + 'px'});
if (cal.data('colorpicker').onShow.apply(this, [cal.get(0)]) != false) {
cal.show();
}
$(document).bind('mousedown', {cal: cal}, hide);
return false;
},
hide = function (ev) {
if (!isChildOf(ev.data.cal.get(0), ev.target, ev.data.cal.get(0))) {
if (ev.data.cal.data('colorpicker').onHide.apply(this, [ev.data.cal.get(0)]) != false) {
ev.data.cal.hide();
}
$(document).unbind('mousedown', hide);
}
},
isChildOf = function(parentEl, el, container) {
if (parentEl == el) {
return true;
}
if (parentEl.contains) {
return parentEl.contains(el);
}
if ( parentEl.compareDocumentPosition ) {
return !!(parentEl.compareDocumentPosition(el) & 16);
}
var prEl = el.parentNode;
while(prEl && prEl != container) {
if (prEl == parentEl)
return true;
prEl = prEl.parentNode;
}
return false;
},
getViewport = function () {
var m = document.compatMode == 'CSS1Compat';
return {
l : window.pageXOffset || (m ? document.documentElement.scrollLeft : document.body.scrollLeft),
t : window.pageYOffset || (m ? document.documentElement.scrollTop : document.body.scrollTop),
w : window.innerWidth || (m ? document.documentElement.clientWidth : document.body.clientWidth),
h : window.innerHeight || (m ? document.documentElement.clientHeight : document.body.clientHeight)
};
},
fixHSB = function (hsb) {
return {
h: Math.min(360, Math.max(0, hsb.h)),
s: Math.min(100, Math.max(0, hsb.s)),
b: Math.min(100, Math.max(0, hsb.b))
};
},
fixRGB = function (rgb) {
return {
r: Math.min(255, Math.max(0, rgb.r)),
g: Math.min(255, Math.max(0, rgb.g)),
b: Math.min(255, Math.max(0, rgb.b))
};
},
fixHex = function (hex) {
var len = 6 - hex.length;
if (len > 0) {
var o = [];
for (var i=0; i<len; i++) {
o.push('0');
}
o.push(hex);
hex = o.join('');
}
return hex;
},
HexToRGB = function (hex) {
var hex = parseInt(((hex.indexOf('#') > -1) ? hex.substring(1) : hex), 16);
return {r: hex >> 16, g: (hex & 0x00FF00) >> 8, b: (hex & 0x0000FF)};
},
HexToHSB = function (hex) {
return RGBToHSB(HexToRGB(hex));
},
RGBToHSB = function (rgb) {
var hsb = {
h: 0,
s: 0,
b: 0
};
var min = Math.min(rgb.r, rgb.g, rgb.b);
var max = Math.max(rgb.r, rgb.g, rgb.b);
var delta = max - min;
hsb.b = max;
if (max != 0) {
}
hsb.s = max != 0 ? 255 * delta / max : 0;
if (hsb.s != 0) {
if (rgb.r == max) {
hsb.h = (rgb.g - rgb.b) / delta;
} else if (rgb.g == max) {
hsb.h = 2 + (rgb.b - rgb.r) / delta;
} else {
hsb.h = 4 + (rgb.r - rgb.g) / delta;
}
} else {
hsb.h = -1;
}
hsb.h *= 60;
if (hsb.h < 0) {
hsb.h += 360;
}
hsb.s *= 100/255;
hsb.b *= 100/255;
return hsb;
},
HSBToRGB = function (hsb) {
var rgb = {};
var h = Math.round(hsb.h);
var s = Math.round(hsb.s*255/100);
var v = Math.round(hsb.b*255/100);
if(s == 0) {
rgb.r = rgb.g = rgb.b = v;
} else {
var t1 = v;
var t2 = (255-s)*v/255;
var t3 = (t1-t2)*(h%60)/60;
if(h==360) h = 0;
if(h<60) {rgb.r=t1; rgb.b=t2; rgb.g=t2+t3}
else if(h<120) {rgb.g=t1; rgb.b=t2; rgb.r=t1-t3}
else if(h<180) {rgb.g=t1; rgb.r=t2; rgb.b=t2+t3}
else if(h<240) {rgb.b=t1; rgb.r=t2; rgb.g=t1-t3}
else if(h<300) {rgb.b=t1; rgb.g=t2; rgb.r=t2+t3}
else if(h<360) {rgb.r=t1; rgb.g=t2; rgb.b=t1-t3}
else {rgb.r=0; rgb.g=0; rgb.b=0}
}
return {r:Math.round(rgb.r), g:Math.round(rgb.g), b:Math.round(rgb.b)};
},
RGBToHex = function (rgb) {
var hex = [
rgb.r.toString(16),
rgb.g.toString(16),
rgb.b.toString(16)
];
$.each(hex, function (nr, val) {
if (val.length == 1) {
hex[nr] = '0' + val;
}
});
return hex.join('');
},
HSBToHex = function (hsb) {
return RGBToHex(HSBToRGB(hsb));
},
restoreOriginal = function () {
var cal = $(this).parent();
var col = cal.data('colorpicker').origColor;
cal.data('colorpicker').color = col;
fillRGBFields(col, cal.get(0));
fillHexFields(col, cal.get(0));
fillHSBFields(col, cal.get(0));
setSelector(col, cal.get(0));
setHue(col, cal.get(0));
setNewColor(col, cal.get(0));
};
return {
init: function (opt) {
opt = $.extend({}, defaults, opt||{});
if (typeof opt.color == 'string') {
opt.color = HexToHSB(opt.color);
} else if (opt.color.r != undefined && opt.color.g != undefined && opt.color.b != undefined) {
opt.color = RGBToHSB(opt.color);
} else if (opt.color.h != undefined && opt.color.s != undefined && opt.color.b != undefined) {
opt.color = fixHSB(opt.color);
} else {
return this;
}
return this.each(function () {
if (!$(this).data('colorpickerId')) {
var options = $.extend({}, opt);
options.origColor = opt.color;
var id = 'collorpicker_' + parseInt(Math.random() * 1000);
$(this).data('colorpickerId', id);
var cal = $(tpl).attr('id', id);
if (options.flat) {
cal.appendTo(this).show();
} else {
cal.appendTo(document.body);
}
options.fields = cal
.find('input')
.bind('keyup', keyDown)
.bind('change', change)
.bind('blur', blur)
.bind('focus', focus);
cal
.find('span').bind('mousedown', downIncrement).end()
.find('>div.colorpicker_current_color').bind('click', restoreOriginal);
options.selector = cal.find('div.colorpicker_color').bind('mousedown', downSelector);
options.selectorIndic = options.selector.find('div div');
options.el = this;
options.hue = cal.find('div.colorpicker_hue div');
cal.find('div.colorpicker_hue').bind('mousedown', downHue);
options.newColor = cal.find('div.colorpicker_new_color');
options.currentColor = cal.find('div.colorpicker_current_color');
cal.data('colorpicker', options);
cal.find('div.colorpicker_submit')
.bind('mouseenter', enterSubmit)
.bind('mouseleave', leaveSubmit)
.bind('click', clickSubmit);
fillRGBFields(options.color, cal.get(0));
fillHSBFields(options.color, cal.get(0));
fillHexFields(options.color, cal.get(0));
setHue(options.color, cal.get(0));
setSelector(options.color, cal.get(0));
setCurrentColor(options.color, cal.get(0));
setNewColor(options.color, cal.get(0));
if (options.flat) {
cal.css({
position: 'relative',
display: 'block'
});
} else {
$(this).bind(options.eventName, show);
}
}
});
},
showPicker: function() {
return this.each( function () {
if ($(this).data('colorpickerId')) {
show.apply(this);
}
});
},
hidePicker: function() {
return this.each( function () {
if ($(this).data('colorpickerId')) {
$('#' + $(this).data('colorpickerId')).hide();
}
});
},
setColor: function(col) {
if (typeof col == 'string') {
col = HexToHSB(col);
} else if (col.r != undefined && col.g != undefined && col.b != undefined) {
col = RGBToHSB(col);
} else if (col.h != undefined && col.s != undefined && col.b != undefined) {
col = fixHSB(col);
} else {
return this;
}
return this.each(function(){
if ($(this).data('colorpickerId')) {
var cal = $('#' + $(this).data('colorpickerId'));
cal.data('colorpicker').color = col;
cal.data('colorpicker').origColor = col;
fillRGBFields(col, cal.get(0));
fillHSBFields(col, cal.get(0));
fillHexFields(col, cal.get(0));
setHue(col, cal.get(0));
setSelector(col, cal.get(0));
setCurrentColor(col, cal.get(0));
setNewColor(col, cal.get(0));
}
});
}
};
}();
$.fn.extend({
ColorPicker: ColorPicker.init,
ColorPickerHide: ColorPicker.hidePicker,
ColorPickerShow: ColorPicker.showPicker,
ColorPickerSetColor: ColorPicker.setColor
});
})(jQuery)
Blog Section
Dive into our blog to explore the cutting-edge trends in digital payments and NFC technology. Stay updated on the innovations that are revolutionizing transactions, boosting security, and making payments quicker and more convenient. Learn how these advancements are shaping the future of financial interactions and driving the global transition towards a cashless world.
In recent years, contactless payments have surged in popularity, driven...
As digital transactions proliferate, ensuring robust payment security is more critical than ever. Two foundational...
Digital wallets have fundamentally transformed how we manage money, offering a streamlined, secure, and highly...