You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
335 lines
13 KiB
JavaScript
335 lines
13 KiB
JavaScript
(function (root, factory) {
|
|
if (typeof exports === 'object') {
|
|
module.exports = factory(root, require('jquery'), require('colors'));
|
|
} else if (typeof define === 'function' && define.amd) {
|
|
define(['jquery', 'colors'], function (jQuery, Colors) {
|
|
return factory(root, jQuery, Colors);
|
|
});
|
|
} else {
|
|
factory(root, root.jQuery, root.Colors);
|
|
}
|
|
}(this, function(window, $, Colors, undefined){
|
|
'use strict';
|
|
|
|
var $document = $(document),
|
|
_instance = $(),
|
|
_colorPicker,
|
|
_color,
|
|
_options,
|
|
|
|
_$trigger, _$UI,
|
|
_$z_slider, _$xy_slider,
|
|
_$xy_cursor, _$z_cursor , _$alpha , _$alpha_cursor,
|
|
|
|
_pointermove = 'touchmove.tcp mousemove.tcp pointermove.tcp',
|
|
_pointerdown = 'touchstart.tcp mousedown.tcp pointerdown.tcp',
|
|
_pointerup = 'touchend.tcp mouseup.tcp pointerup.tcp',
|
|
_GPU = false,
|
|
_round = Math.round,
|
|
_animate = window.requestAnimationFrame ||
|
|
window.webkitRequestAnimationFrame || function(cb){cb()},
|
|
_html = '<div class="cp-color-picker"><div class="cp-z-slider"><div c' +
|
|
'lass="cp-z-cursor"></div></div><div class="cp-xy-slider"><div cl' +
|
|
'ass="cp-white"></div><div class="cp-xy-cursor"></div></div><div ' +
|
|
'class="cp-alpha"><div class="cp-alpha-cursor"></div></div></div>',
|
|
// 'grunt-contrib-uglify' puts all this back to one single string...
|
|
_css = '.cp-color-picker{position:absolute;overflow:hidden;padding:6p' +
|
|
'x 6px 0;background-color:#444;color:#bbb;font-family:Arial,Helve' +
|
|
'tica,sans-serif;font-size:12px;font-weight:400;cursor:default;bo' +
|
|
'rder-radius:5px}.cp-color-picker>div{position:relative;overflow:' +
|
|
'hidden}.cp-xy-slider{float:left;height:128px;width:128px;margin-' +
|
|
'bottom:6px;background:linear-gradient(to right,#FFF,rgba(255,255' +
|
|
',255,0))}.cp-white{height:100%;width:100%;background:linear-grad' +
|
|
'ient(rgba(0,0,0,0),#000)}.cp-xy-cursor{position:absolute;top:0;w' +
|
|
'idth:10px;height:10px;margin:-5px;border:1px solid #fff;border-r' +
|
|
'adius:100%;box-sizing:border-box}.cp-z-slider{float:right;margin' +
|
|
'-left:6px;height:128px;width:20px;background:linear-gradient(red' +
|
|
' 0,#f0f 17%,#00f 33%,#0ff 50%,#0f0 67%,#ff0 83%,red 100%)}.cp-z-' +
|
|
'cursor{position:absolute;margin-top:-4px;width:100%;border:4px s' +
|
|
'olid #fff;border-color:transparent #fff;box-sizing:border-box}.c' +
|
|
'p-alpha{clear:both;width:100%;height:16px;margin:6px 0;backgroun' +
|
|
'd:linear-gradient(to right,#444,rgba(0,0,0,0))}.cp-alpha-cursor{' +
|
|
'position:absolute;margin-left:-4px;height:100%;border:4px solid ' +
|
|
'#fff;border-color:#fff transparent;box-sizing:border-box}',
|
|
|
|
ColorPicker = function(options) {
|
|
_color = this.color = new Colors(options);
|
|
_options = _color.options;
|
|
_colorPicker = this;
|
|
};
|
|
|
|
ColorPicker.prototype = {
|
|
render: preRender,
|
|
toggle: toggle
|
|
};
|
|
|
|
function extractValue(elm) {
|
|
return elm.value || elm.getAttribute('value') ||
|
|
$(elm).css('background-color') || '#fff';
|
|
}
|
|
|
|
function resolveEventType(event) {
|
|
event = event.originalEvent && event.originalEvent.touches ?
|
|
event.originalEvent.touches[0] : event;
|
|
|
|
return event.originalEvent ? event.originalEvent : event;
|
|
}
|
|
|
|
function findElement($elm) {
|
|
return $($elm.find(_options.doRender)[0] || $elm[0]);
|
|
}
|
|
|
|
function toggle(event) {
|
|
var $this = $(this),
|
|
position = $this.offset(),
|
|
$window = $(window),
|
|
gap = _options.gap;
|
|
|
|
if (event) {
|
|
_$trigger = findElement($this);
|
|
_$trigger._colorMode = _$trigger.data('colorMode');
|
|
|
|
_colorPicker.$trigger = $this;
|
|
|
|
(_$UI || build()).css({
|
|
// 'width': _$UI[0]._width,
|
|
'left': (_$UI[0]._left = position.left) -
|
|
((_$UI[0]._left += _$UI[0]._width -
|
|
($window.scrollLeft() + $window.width())) + gap > 0 ?
|
|
_$UI[0]._left + gap : 0),
|
|
'top': (_$UI[0]._top = position.top + $this.outerHeight()) -
|
|
((_$UI[0]._top += _$UI[0]._height -
|
|
($window.scrollTop() + $window.height())) + gap > 0 ?
|
|
_$UI[0]._top + gap : 0)
|
|
}).show(_options.animationSpeed, function() {
|
|
if (event === true) { // resize, scroll
|
|
return;
|
|
}
|
|
_$alpha._width = _$alpha.width();
|
|
_$xy_slider._width = _$xy_slider.width();
|
|
_$xy_slider._height = _$xy_slider.height();
|
|
_$z_slider._height = _$z_slider.height();
|
|
_color.setColor(extractValue(_$trigger[0]));
|
|
|
|
preRender(true);
|
|
})
|
|
.off('.tcp').on(_pointerdown,
|
|
'.cp-xy-slider,.cp-z-slider,.cp-alpha', pointerdown);
|
|
} else if (_colorPicker.$trigger) {
|
|
$(_$UI).hide(_options.animationSpeed, function() {
|
|
preRender(false);
|
|
_colorPicker.$trigger = null;
|
|
}).off('.tcp');
|
|
}
|
|
}
|
|
|
|
function build() {
|
|
$('head').append('<style type="text/css" id="tinyColorPickerStyles">' +
|
|
(_options.css || _css) + (_options.cssAddon || '') + '</style>');
|
|
|
|
return _colorPicker.$UI = _$UI =
|
|
$(_html).css({'margin': _options.margin})
|
|
.appendTo('body')
|
|
.show(0, function() {
|
|
var $this = $(this);
|
|
|
|
_GPU = _options.GPU && $this.css('perspective') !== undefined;
|
|
_$z_slider = $('.cp-z-slider', this);
|
|
_$xy_slider = $('.cp-xy-slider', this);
|
|
_$xy_cursor = $('.cp-xy-cursor', this);
|
|
_$z_cursor = $('.cp-z-cursor', this);
|
|
_$alpha = $('.cp-alpha', this).toggle(!!_options.opacity);
|
|
_$alpha_cursor = $('.cp-alpha-cursor', this);
|
|
_options.buildCallback.call(_colorPicker, $this);
|
|
$this.prepend('<div>').children().eq(0).css('width',
|
|
$this.children().eq(0).width() // stabilizer
|
|
);
|
|
this._width = this.offsetWidth;
|
|
this._height = this.offsetHeight;
|
|
}).hide();
|
|
}
|
|
|
|
function pointerdown(e) {
|
|
var action = this.className
|
|
.replace(/cp-(.*?)(?:\s*|$)/, '$1').replace('-', '_');
|
|
|
|
if ((e.button || e.which) > 1) return;
|
|
|
|
e.preventDefault && e.preventDefault();
|
|
e.returnValue = false;
|
|
|
|
_$trigger._offset = $(this).offset();
|
|
|
|
(action = action === 'xy_slider' ? xy_slider :
|
|
action === 'z_slider' ? z_slider : alpha)(e);
|
|
preRender();
|
|
|
|
$document.on(_pointerup, function(e) {
|
|
$document.off('.tcp');
|
|
}).on(_pointermove, function(e) {
|
|
action(e);
|
|
preRender();
|
|
});
|
|
}
|
|
|
|
function xy_slider(event) {
|
|
var e = resolveEventType(event),
|
|
x = e.pageX - _$trigger._offset.left,
|
|
y = e.pageY - _$trigger._offset.top;
|
|
|
|
_color.setColor({
|
|
s: x / _$xy_slider._width * 100,
|
|
v: 100 - (y / _$xy_slider._height * 100)
|
|
}, 'hsv');
|
|
}
|
|
|
|
function z_slider(event) {
|
|
var z = resolveEventType(event).pageY - _$trigger._offset.top;
|
|
|
|
_color.setColor({h: 360 - (z / _$z_slider._height * 360)}, 'hsv');
|
|
}
|
|
|
|
function alpha(event) {
|
|
var x = resolveEventType(event).pageX - _$trigger._offset.left,
|
|
alpha = x / _$alpha._width;
|
|
|
|
_color.setColor({}, 'rgb', alpha);
|
|
}
|
|
|
|
function preRender(toggled) {
|
|
var colors = _color.colors,
|
|
hueRGB = colors.hueRGB,
|
|
RGB = colors.RND.rgb,
|
|
HSL = colors.RND.hsl,
|
|
dark = '#222',
|
|
light = '#ddd',
|
|
colorText = _color.toString(_$trigger._colorMode, _options.forceAlpha),
|
|
HUEContrast = colors.HUELuminance > 0.22 ? dark : light,
|
|
alphaContrast = colors.rgbaMixBlack.luminance > 0.22 ? dark : light,
|
|
h = (1 - colors.hsv.h) * _$xy_slider._height,
|
|
s = colors.hsv.s * _$xy_slider._width,
|
|
v = (1 - colors.hsv.v) * _$z_slider._height,
|
|
a = colors.alpha * _$alpha._width,
|
|
translate3d = _GPU ? 'translate3d' : '',
|
|
triggerValue = _$trigger[0].value,
|
|
hasNoValue = _$trigger[0].hasAttribute('value') && // question this
|
|
triggerValue === '' && toggled !== undefined;
|
|
|
|
_$xy_slider._css = {
|
|
backgroundColor: 'rgb(' +
|
|
hueRGB.r + ',' + hueRGB.g + ',' + hueRGB.b + ')'};
|
|
_$xy_cursor._css = {
|
|
transform: translate3d + '(' + s + 'px, ' + v + 'px, 0)',
|
|
left: !_GPU ? s : '',
|
|
top: !_GPU ? v : '',
|
|
borderColor : colors.RGBLuminance > 0.22 ? dark : light
|
|
};
|
|
_$z_cursor._css = {
|
|
transform: translate3d + '(0, ' + h + 'px, 0)',
|
|
top: !_GPU ? h : '',
|
|
borderColor : 'transparent ' + HUEContrast
|
|
};
|
|
_$alpha._css = {backgroundColor: '#' + colors.HEX};
|
|
_$alpha_cursor._css = {
|
|
transform: translate3d + '(' + a + 'px, 0, 0)',
|
|
left: !_GPU ? a : '',
|
|
borderColor : alphaContrast + ' transparent'
|
|
};
|
|
_$trigger._css = {
|
|
backgroundColor : hasNoValue ? '' : colorText,
|
|
color: hasNoValue ? '' :
|
|
colors.rgbaMixBGMixCustom.luminance > 0.22 ? dark : light
|
|
};
|
|
_$trigger.text = hasNoValue ? '' : triggerValue !== colorText ? colorText : '';
|
|
|
|
toggled !== undefined ? render(toggled) : _animate(render);
|
|
}
|
|
|
|
// As _animate() is actually requestAnimationFrame(), render() gets called
|
|
// decoupled from any pointer action (whenever the browser decides to do
|
|
// so) as an event. preRender() is coupled to toggle() and all pointermove
|
|
// actions; that's where all the calculations happen. render() can now be
|
|
// called without extra calculations which results in faster rendering.
|
|
function render(toggled) {
|
|
_$xy_slider.css(_$xy_slider._css);
|
|
_$xy_cursor.css(_$xy_cursor._css);
|
|
_$z_cursor.css(_$z_cursor._css);
|
|
_$alpha.css(_$alpha._css);
|
|
_$alpha_cursor.css(_$alpha_cursor._css);
|
|
|
|
_options.doRender && _$trigger.css(_$trigger._css);
|
|
_$trigger.text && _$trigger.val(_$trigger.text);
|
|
|
|
_options.renderCallback.call(
|
|
_colorPicker,
|
|
_$trigger,
|
|
typeof toggled === 'boolean' ? toggled : undefined
|
|
);
|
|
}
|
|
|
|
$.fn.colorPicker = function(options) {
|
|
var noop = function(){};
|
|
|
|
options = $.extend({
|
|
animationSpeed: 150,
|
|
GPU: true,
|
|
doRender: true,
|
|
customBG: '#FFF',
|
|
opacity: true,
|
|
renderCallback: noop,
|
|
buildCallback: noop,
|
|
body: document.body,
|
|
scrollResize: true,
|
|
gap: 4,
|
|
// forceAlpha: undefined,
|
|
// css: '',
|
|
// cssAddon: '',
|
|
// margin: '',
|
|
// preventFocus: false
|
|
}, options);
|
|
|
|
!_colorPicker && options.scrollResize && $(window)
|
|
.on('resize.tcp scroll.tcp', function() {
|
|
if (_colorPicker.$trigger) {
|
|
_colorPicker.toggle.call(_colorPicker.$trigger[0], true);
|
|
}
|
|
});
|
|
_instance = _instance.add(this);
|
|
this.colorPicker = _instance.colorPicker =
|
|
_colorPicker || new ColorPicker(options);
|
|
|
|
$(options.body).off('.tcp').on(_pointerdown, function(e) {
|
|
!_instance.add(_$UI).find(e.target)
|
|
.add(_instance.filter(e.target))[0] && toggle();
|
|
});
|
|
|
|
return this.on('focusin.tcp click.tcp', toggle)
|
|
.on('change.tcp', function() {
|
|
_color.setColor(this.value || '#FFF');
|
|
_instance.colorPicker.render(true);
|
|
})
|
|
.each(function() {
|
|
var value = extractValue(this),
|
|
mode = value.split('('),
|
|
$elm = findElement($(this));
|
|
|
|
$elm.data('colorMode', mode[1] ? mode[0].substr(0, 3) : 'HEX')
|
|
.attr('readonly', _options.preventFocus);
|
|
options.doRender &&
|
|
$elm.css({'background-color': value,
|
|
'color': function() {
|
|
return _color.setColor(value)
|
|
.rgbaMixBGMixCustom.luminance > 0.22 ? '#222' : '#DDD'
|
|
}
|
|
});
|
|
});
|
|
};
|
|
|
|
$.fn.colorPicker.destroy = function() {
|
|
$('*').off('.tcp'); // slower but saver
|
|
_colorPicker.toggle(false);
|
|
_instance = $();
|
|
// destroy _colorPicker
|
|
};
|
|
|
|
})); |