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(http://www.abeautifulsite.net/) * Dual-licensed under the MIT and GPL Version 2 licenses * */ if(jQuery) (function($) { $(document).ready( function() { $('.nn_color').minicolors(); }); // Yay, MiniColors! $.minicolors = { // Default settings defaultSettings: { animationSpeed: 100, animationEasing: 'swing', change: null, changeDelay: 0, control: 'hue', defaultValue: '', hide: null, hideSpeed: 100, inline: false, letterCase: 'lowercase', opacity: false, position: 'default', show: null, showSpeed: 100, swatchPosition: 'left', textfield: true, theme: 'default' } }; // Public methods $.extend($.fn, { minicolors: function(method, data) { switch(method) { // Destroy the control case 'destroy': $(this).each( function() { destroy($(this)); }); return $(this); // Get/set opacity case 'opacity': if( data === undefined ) { // Getter return $(this).attr('data-opacity'); } else { // Setter $(this).each( function() { refresh($(this).attr('data-opacity', data)); }); return $(this); } // Get an RGB(A) object based on the current color/opacity case 'rgbObject': return rgbObject($(this), method === 'rgbaObject'); // Get an RGB(A) string based on the current color/opacity case 'rgbString': case 'rgbaString': return rgbString($(this), method === 'rgbaString'); // Get/set settings on the fly case 'settings': if( data === undefined ) { return $(this).data('minicolors-settings'); } else { // Setter $(this).each( function() { var settings = $(this).data('minicolors-settings') || {}; destroy($(this)); $(this).minicolors($.extend(true, settings, data)); }); return $(this); } // Get/set the hex color value case 'value': if( data === undefined ) { // Getter return $(this).val(); } else { // Setter $(this).each( function() { refresh($(this).val(data)); }); return $(this); } // Initializes the control case 'create': default: if( method !== 'create' ) data = method; $(this).each( function() { init($(this), data); }); return $(this); } } }); // Initialize input elements function init(input, settings) { var minicolors = $(''), defaultSettings = $.minicolors.defaultSettings; // Do nothing if already initialized if( input.data('minicolors-initialized') ) return; // Handle settings settings = $.extend(true, {}, defaultSettings, settings); // The wrapper minicolors .addClass('minicolors-theme-' + settings.theme) .addClass('minicolors-swatch-position-' + settings.swatchPosition) .toggleClass('minicolors-swatch-left', settings.swatchPosition === 'left') .toggleClass('minicolors-with-opacity', settings.opacity); // Custom positioning if( settings.position !== undefined ) { $.each(settings.position.split(' '), function() { minicolors.addClass('minicolors-position-' + this); }); } // The input input .addClass('minicolors-input') .data('minicolors-initialized', true) .data('minicolors-settings', settings) .prop('size', 7) .prop('maxlength', 7) .wrap(minicolors) .after( '' + '' + '' + '' + '' + '' + '' + '' + '' + '' + '' + '' ); // Prevent text selection in IE input.parent().find('.minicolors-panel').on('selectstart', function() { return false; }).end(); // Detect swatch position if( settings.swatchPosition === 'left' ) { // Left input.before(''); } else { // Right input.after(''); } // Disable textfield if( !settings.textfield ) input.addClass('minicolors-hidden'); // Inline controls if( settings.inline ) input.parent().addClass('minicolors-inline'); updateFromInput(input); } // Returns the input back to its original state function destroy(input) { var minicolors = input.parent(); // Revert the input element input .removeData('minicolors-initialized') .removeData('minicolors-settings') .removeProp('size') .removeProp('maxlength') .removeClass('minicolors-input'); // Remove the wrap and destroy whatever remains minicolors.before(input).remove(); } // Refresh the specified control function refresh(input) { updateFromInput(input); } // Shows the specified dropdown panel function show(input) { var minicolors = input.parent(), panel = minicolors.find('.minicolors-panel'), settings = input.data('minicolors-settings'); // Do nothing if uninitialized, disabled, or already open if( !input.data('minicolors-initialized') || input.prop('disabled') || minicolors.hasClass('minicolors-focus') ) return; hide(); minicolors.addClass('minicolors-focus'); panel .stop(true, true) .fadeIn(settings.showSpeed, function() { if( settings.show ) settings.show.call(input); }); } // Hides all dropdown panels function hide() { $('.minicolors-input').each( function() { var input = $(this), settings = input.data('minicolors-settings'), minicolors = input.parent(); // Don't hide inline controls if( settings.inline ) return; minicolors.find('.minicolors-panel').fadeOut(settings.hideSpeed, function() { if(minicolors.hasClass('minicolors-focus')) { if( settings.hide ) settings.hide.call(input); } minicolors.removeClass('minicolors-focus'); }); }); } // Moves the selected picker function move(target, event, animate) { var input = target.parents('.minicolors').find('.minicolors-input'), settings = input.data('minicolors-settings'), picker = target.find('[class$=-picker]'), offsetX = target.offset().left, offsetY = target.offset().top, x = Math.round(event.pageX - offsetX), y = Math.round(event.pageY - offsetY), duration = animate ? settings.animationSpeed : 0, wx, wy, r, phi; // Touch support if( event.originalEvent.changedTouches ) { x = event.originalEvent.changedTouches[0].pageX - offsetX; y = event.originalEvent.changedTouches[0].pageY - offsetY; } // Constrain picker to its container if( x < 0 ) x = 0; if( y < 0 ) y = 0; if( x > target.width() ) x = target.width(); if( y > target.height() ) y = target.height(); // Constrain color wheel values to the wheel if( target.parent().is('.minicolors-slider-wheel') && picker.parent().is('.minicolors-grid') ) { wx = 75 - x; wy = 75 - y; r = Math.sqrt(wx * wx + wy * wy); phi = Math.atan2(wy, wx); if( phi < 0 ) phi += Math.PI * 2; if( r > 75 ) { r = 75; x = 75 - (75 * Math.cos(phi)); y = 75 - (75 * Math.sin(phi)); } x = Math.round(x); y = Math.round(y); } // Move the picker if( target.is('.minicolors-grid') ) { picker .stop(true) .animate({ top: y + 'px', left: x + 'px' }, duration, settings.animationEasing, function() { updateFromControl(input); }); } else { picker .stop(true) .animate({ top: y + 'px' }, duration, settings.animationEasing, function() { updateFromControl(input); }); } } // Sets the input based on the color picker values function updateFromControl(input) { function getCoords(picker, container) { var left, top; if( !picker.length || !container ) return null; left = picker.offset().left; top = picker.offset().top; return { x: left - container.offset().left + (picker.outerWidth() / 2), y: top - container.offset().top + (picker.outerHeight() / 2) }; } var hue, saturation, brightness, opacity, rgb, hex, x, y, r, phi, // Helpful references minicolors = input.parent(), settings = input.data('minicolors-settings'), panel = minicolors.find('.minicolors-panel'), swatch = minicolors.find('.minicolors-swatch'), // Panel objects grid = minicolors.find('.minicolors-grid'), slider = minicolors.find('.minicolors-slider'), opacitySlider = minicolors.find('.minicolors-opacity-slider'), // Picker objects gridPicker = grid.find('[class$=-picker]'), sliderPicker = slider.find('[class$=-picker]'), opacityPicker = opacitySlider.find('[class$=-picker]'), // Picker positions gridPos = getCoords(gridPicker, grid), sliderPos = getCoords(sliderPicker, slider), opacityPos = getCoords(opacityPicker, opacitySlider); // Determine HSB values switch(settings.control) { case 'wheel': // Calculate hue, saturation, and brightness x = (grid.width() / 2) - gridPos.x; y = (grid.height() / 2) - gridPos.y; r = Math.sqrt(x * x + y * y); phi = Math.atan2(y, x); if( phi < 0 ) phi += Math.PI * 2; if( r > 75 ) { r = 75; gridPos.x = 69 - (75 * Math.cos(phi)); gridPos.y = 69 - (75 * Math.sin(phi)); } saturation = keepWithin(r / 0.75, 0, 100); hue = keepWithin(phi * 180 / Math.PI, 0, 360); brightness = keepWithin(100 - Math.floor(sliderPos.y * (100 / slider.height())), 0, 100); hex = hsb2hex({ h: hue, s: saturation, b: brightness }); // Update UI slider.css('backgroundColor', hsb2hex({ h: hue, s: saturation, b: 100 })); break; case 'saturation': // Calculate hue, saturation, and brightness hue = keepWithin(parseInt(gridPos.x * (360 / grid.width())), 0, 360); saturation = keepWithin(100 - Math.floor(sliderPos.y * (100 / slider.height())), 0, 100); brightness = keepWithin(100 - Math.floor(gridPos.y * (100 / grid.height())), 0, 100); hex = hsb2hex({ h: hue, s: saturation, b: brightness }); // Update UI slider.css('backgroundColor', hsb2hex({ h: hue, s: 100, b: brightness })); minicolors.find('.minicolors-grid-inner').css('opacity', saturation / 100); break; case 'brightness': // Calculate hue, saturation, and brightness hue = keepWithin(parseInt(gridPos.x * (360 / grid.width())), 0, 360); saturation = keepWithin(100 - Math.floor(gridPos.y * (100 / grid.height())), 0, 100); brightness = keepWithin(100 - Math.floor(sliderPos.y * (100 / slider.height())), 0, 100); hex = hsb2hex({ h: hue, s: saturation, b: brightness }); // Update UI slider.css('backgroundColor', hsb2hex({ h: hue, s: saturation, b: 100 })); minicolors.find('.minicolors-grid-inner').css('opacity', 1 - (brightness / 100)); break; default: // Calculate hue, saturation, and brightness hue = keepWithin(360 - parseInt(sliderPos.y * (360 / slider.height())), 0, 360); saturation = keepWithin(Math.floor(gridPos.x * (100 / grid.width())), 0, 100); brightness = keepWithin(100 - Math.floor(gridPos.y * (100 / grid.height())), 0, 100); hex = hsb2hex({ h: hue, s: saturation, b: brightness }); // Update UI grid.css('backgroundColor', hsb2hex({ h: hue, s: 100, b: 100 })); break; } // Determine opacity if( settings.opacity ) { opacity = parseFloat(1 - (opacityPos.y / opacitySlider.height())).toFixed(2); } else { opacity = 1; } // Adjust case input.val( convertCase(hex, settings.letterCase) ); if( settings.opacity ) input.attr('data-opacity', opacity); // Set swatch color swatch.find('SPAN').css({ backgroundColor: hex, opacity: opacity }); // Handle change event if( hex + opacity !== input.data('minicolors-lastChange') ) { // Remember last-changed value input.data('minicolors-lastChange', hex + opacity); // Fire change event if( settings.change ) { if( settings.changeDelay ) { // Call after a delay clearTimeout(input.data('minicolors-changeTimeout')); input.data('minicolors-changeTimeout', setTimeout( function() { settings.change.call(input, hex, opacity); }, settings.changeDelay)); } else { // Call immediately settings.change.call(input, hex, opacity); } } } } // Sets the color picker values from the input function updateFromInput(input, preserveInputValue) { var hex, hsb, opacity, x, y, r, phi, // Helpful references minicolors = input.parent(), settings = input.data('minicolors-settings'), swatch = minicolors.find('.minicolors-swatch'), // Panel objects grid = minicolors.find('.minicolors-grid'), slider = minicolors.find('.minicolors-slider'), opacitySlider = minicolors.find('.minicolors-opacity-slider'), // Picker objects gridPicker = grid.find('[class$=-picker]'), sliderPicker = slider.find('[class$=-picker]'), opacityPicker = opacitySlider.find('[class$=-picker]'); // Determine hex/HSB values hex = convertCase(parseHex(input.val(), true), settings.letterCase); if( !hex ) hex = convertCase(parseHex(settings.defaultValue, true)); hsb = hex2hsb(hex); // Update input value if( !preserveInputValue ) input.val(hex); // Determine opacity value if( settings.opacity ) { opacity = input.attr('data-opacity') === '' ? 1 : keepWithin(parseFloat(input.attr('data-opacity')).toFixed(2), 0, 1); input.attr('data-opacity', opacity); swatch.find('SPAN').css('opacity', opacity); // Set opacity picker position y = keepWithin(opacitySlider.height() - (opacitySlider.height() * opacity), 0, opacitySlider.height()); opacityPicker.css('top', y + 'px'); } // Update swatch swatch.find('SPAN').css('backgroundColor', hex); // Determine picker locations switch(settings.control) { case 'wheel': // Set grid position r = keepWithin(Math.ceil(hsb.s * 0.75), 0, grid.height() / 2); phi = hsb.h * Math.PI / 180; x = keepWithin(75 - Math.cos(phi) * r, 0, grid.width()); y = keepWithin(75 - Math.sin(phi) * r, 0, grid.height()); gridPicker.css({ top: y + 'px', left: x + 'px' }); // Set slider position y = 150 - (hsb.b / (100 / grid.height())); if( hex === '' ) y = 0; sliderPicker.css('top', y + 'px'); // Update panel color slider.css('backgroundColor', hsb2hex({ h: hsb.h, s: hsb.s, b: 100 })); break; case 'saturation': // Set grid position x = keepWithin((5 * hsb.h) / 12, 0, 150); y = keepWithin(grid.height() - Math.ceil(hsb.b / (100 / grid.height())), 0, grid.height()); gridPicker.css({ top: y + 'px', left: x + 'px' }); // Set slider position y = keepWithin(slider.height() - (hsb.s * (slider.height() / 100)), 0, slider.height()); sliderPicker.css('top', y + 'px'); // Update UI slider.css('backgroundColor', hsb2hex({ h: hsb.h, s: 100, b: hsb.b })); minicolors.find('.minicolors-grid-inner').css('opacity', hsb.s / 100); break; case 'brightness': // Set grid position x = keepWithin((5 * hsb.h) / 12, 0, 150); y = keepWithin(grid.height() - Math.ceil(hsb.s / (100 / grid.height())), 0, grid.height()); gridPicker.css({ top: y + 'px', left: x + 'px' }); // Set slider position y = keepWithin(slider.height() - (hsb.b * (slider.height() / 100)), 0, slider.height()); sliderPicker.css('top', y + 'px'); // Update UI slider.css('backgroundColor', hsb2hex({ h: hsb.h, s: hsb.s, b: 100 })); minicolors.find('.minicolors-grid-inner').css('opacity', 1 - (hsb.b / 100)); break; default: // Set grid position x = keepWithin(Math.ceil(hsb.s / (100 / grid.width())), 0, grid.width()); y = keepWithin(grid.height() - Math.ceil(hsb.b / (100 / grid.height())), 0, grid.height()); gridPicker.css({ top: y + 'px', left: x + 'px' }); // Set slider position y = keepWithin(slider.height() - (hsb.h / (360 / slider.height())), 0, slider.height()); sliderPicker.css('top', y + 'px'); // Update panel color grid.css('backgroundColor', hsb2hex({ h: hsb.h, s: 100, b: 100 })); break; } } // Generates an RGB(A) object based on the input's value function rgbObject(input) { var hex = parseHex($(input).val(), true), rgb = hex2rgb(hex), opacity = $(input).attr('data-opacity'); if( !rgb ) return null; if( opacity !== undefined ) $.extend(rgb, { a: parseFloat(opacity) }); return rgb; } // Genearates an RGB(A) string based on the input's value function rgbString(input, alpha) { var hex = parseHex($(input).val(), true), rgb = hex2rgb(hex), opacity = $(input).attr('data-opacity'); if( !rgb ) return null; if( opacity === undefined ) opacity = 1; if( alpha ) { return 'rgba(' + rgb.r + ', ' + rgb.g + ', ' + rgb.b + ', ' + parseFloat(opacity) + ')'; } else { return 'rgb(' + rgb.r + ', ' + rgb.g + ', ' + rgb.b + ')'; } } // Converts to the letter case specified in settings function convertCase(string, letterCase) { return letterCase === 'uppercase' ? string.toUpperCase() : string.toLowerCase(); } // Parses a string and returns a valid hex string when possible function parseHex(string, expand) { string = string.replace(/[^A-F0-9]/ig, ''); if( string.length !== 3 && string.length !== 6 ) return ''; if( string.length === 3 && expand ) { string = string[0] + string[0] + string[1] + string[1] + string[2] + string[2]; } return '#' + string; } // Keeps value within min and max function keepWithin(value, min, max) { if( value < min ) value = min; if( value > max ) value = max; return value; } // Converts an HSB object to an RGB object function hsb2rgb(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) }; } // Converts an RGB object to a hex string function rgb2hex(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(''); } // Converts an HSB object to a hex string function hsb2hex(hsb) { return rgb2hex(hsb2rgb(hsb)); } // Converts a hex string to an HSB object function hex2hsb(hex) { var hsb = rgb2hsb(hex2rgb(hex)); if( hsb.s === 0 ) hsb.h = 360; return hsb; } // Converts an RGB object to an HSB object function rgb2hsb(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; 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; } // Converts a hex string to an RGB object function hex2rgb(hex) { hex = parseInt(((hex.indexOf('#') > -1) ? hex.substring(1) : hex), 16); return { r: hex >> 16, g: (hex & 0x00FF00) >> 8, b: (hex & 0x0000FF) }; } // Handle events $(document) // Hide on clicks outside of the control .on('mousedown.minicolors touchstart.minicolors', function(event) { if( !$(event.target).parents().add(event.target).hasClass('minicolors') ) { hide(); } }) // Start moving .on('mousedown.minicolors touchstart.minicolors', '.minicolors-grid, .minicolors-slider, .minicolors-opacity-slider', function(event) { var target = $(this); event.preventDefault(); $(document).data('minicolors-target', target); move(target, event, true); }) // Move pickers .on('mousemove.minicolors touchmove.minicolors', function(event) { var target = $(document).data('minicolors-target'); if( target ) move(target, event); }) // Stop moving .on('mouseup.minicolors touchend.minicolors', function() { $(this).removeData('minicolors-target'); }) // Toggle panel when swatch is clicked .on('mousedown.minicolors touchstart.minicolors', '.minicolors-swatch', function() { var input = $(this).parent().find('.minicolors-input'), minicolors = input.parent(); if( minicolors.hasClass('minicolors-focus') ) { hide(input); } else { show(input); } }) // Show on focus .on('focus.minicolors', '.minicolors-input', function() { var input = $(this); if( !input.data('minicolors-initialized') ) return; show(input); }) // Fix hex and hide on blur .on('blur.minicolors', '.minicolors-input', function() { var input = $(this), settings = input.data('minicolors-settings'); if( !input.data('minicolors-initialized') ) return; // Parse Hex input.val(parseHex(input.val(), true)); // Is it blank? if( input.val() === '' ) input.val(parseHex(settings.defaultValue, true)); // Adjust case input.val( convertCase(input.val(), settings.letterCase) ); hide(input); }) // Handle keypresses .on('keydown.minicolors', '.minicolors-input', function(event) { var input = $(this); if( !input.data('minicolors-initialized') ) return; switch(event.keyCode) { case 9: // tab hide(); break; case 27: // esc hide(); input.blur(); break; } }) // Update on keyup .on('keyup.minicolors', '.minicolors-input', function() { var input = $(this); if( !input.data('minicolors-initialized') ) return; updateFromInput(input, true); }) // Update on paste .on('paste.minicolors', '.minicolors-input', function() { var input = $(this); if( !input.data('minicolors-initialized') ) return; setTimeout( function() { updateFromInput(input, true); }, 1); }); })(jQuery);