Color picker

Color picker library

Tento skript by nemal byť nainštalovaný priamo. Je to knižnica pre ďalšie skripty, ktorú by mali používať cez meta príkaz // @require https://update.greasyfork.org/scripts/9136/45638/Color%20picker.js

Na nainštalovanie skriptu si budete musieť nainštalovať rozšírenie, ako napríklad Tampermonkey, Greasemonkey alebo Violentmonkey.

Na nainštalovanie skriptu si budete musieť nainštalovať rozšírenie, ako napríklad Tampermonkey, % alebo Violentmonkey.

Na nainštalovanie skriptu si budete musieť nainštalovať rozšírenie, ako napríklad Tampermonkey, % alebo Violentmonkey.

Na nainštalovanie skriptu si budete musieť nainštalovať rozšírenie, ako napríklad Tampermonkey alebo Userscripts.

Na inštaláciu tohto skriptu je potrebné nainštalovať rozšírenie, ako napríklad Tampermonkey.

Na inštaláciu tohto skriptu je potrebné nainštalovať rozšírenie správcu používateľských skriptov.

(Už mám správcu používateľských skriptov, nechajte ma ho nainštalovať!)

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie, ako napríklad Stylus.

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie, ako napríklad Stylus.

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie, ako napríklad Stylus.

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie správcu používateľských štýlov.

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie správcu používateľských štýlov.

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie správcu používateľských štýlov.

(Už mám správcu používateľských štýlov, nechajte ma ho nainštalovať!)

/**
 *
 * 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)