--- /dev/null
+// Spectrum Colorpicker v1.2.0
+// https://github.com/bgrins/spectrum
+// Author: Brian Grinstead
+// License: MIT
+
+(function (window, $, undefined) {
+ var defaultOpts = {
+
+ // Callbacks
+ beforeShow: noop,
+ move: noop,
+ change: noop,
+ show: noop,
+ hide: noop,
+
+ // Options
+ color: false,
+ flat: false,
+ showInput: false,
+ allowEmpty: false,
+ showButtons: true,
+ clickoutFiresChange: false,
+ showInitial: false,
+ showPalette: false,
+ showPaletteOnly: false,
+ showSelectionPalette: true,
+ localStorageKey: false,
+ appendTo: "body",
+ maxSelectionSize: 7,
+ cancelText: "cancel",
+ chooseText: "choose",
+ preferredFormat: false,
+ className: "",
+ showAlpha: false,
+ theme: "sp-light",
+ palette: ['fff', '000'],
+ selectionPalette: [],
+ disabled: false
+ },
+ spectrums = [],
+ IE = !!/msie/i.exec( window.navigator.userAgent ),
+ rgbaSupport = (function() {
+ function contains( str, substr ) {
+ return !!~('' + str).indexOf(substr);
+ }
+
+ var elem = document.createElement('div');
+ var style = elem.style;
+ style.cssText = 'background-color:rgba(0,0,0,.5)';
+ return contains(style.backgroundColor, 'rgba') || contains(style.backgroundColor, 'hsla');
+ })(),
+ inputTypeColorSupport = (function() {
+ var colorInput = $("<input type='color' value='!' />")[0];
+ return colorInput.type === "color" && colorInput.value !== "!";
+ })(),
+ replaceInput = [
+ "<div class='sp-replacer'>",
+ "<div class='sp-preview'><div class='sp-preview-inner'></div></div>",
+ "<div class='sp-dd'>▼</div>",
+ "</div>"
+ ].join(''),
+ markup = (function () {
+
+ // IE does not support gradients with multiple stops, so we need to simulate
+ // that for the rainbow slider with 8 divs that each have a single gradient
+ var gradientFix = "";
+ if (IE) {
+ for (var i = 1; i <= 6; i++) {
+ gradientFix += "<div class='sp-" + i + "'></div>";
+ }
+ }
+
+ return [
+ "<div class='sp-container sp-hidden'>",
+ "<div class='sp-palette-container'>",
+ "<div class='sp-palette sp-thumb sp-cf'></div>",
+ "</div>",
+ "<div class='sp-picker-container'>",
+ "<div class='sp-top sp-cf'>",
+ "<div class='sp-fill'></div>",
+ "<div class='sp-top-inner'>",
+ "<div class='sp-color'>",
+ "<div class='sp-sat'>",
+ "<div class='sp-val'>",
+ "<div class='sp-dragger'></div>",
+ "</div>",
+ "</div>",
+ "</div>",
+ "<div class='sp-clear sp-clear-display' title='Clear Color Selection'>",
+ "</div>",
+ "<div class='sp-hue'>",
+ "<div class='sp-slider'></div>",
+ gradientFix,
+ "</div>",
+ "</div>",
+ "<div class='sp-alpha'><div class='sp-alpha-inner'><div class='sp-alpha-handle'></div></div></div>",
+ "</div>",
+ "<div class='sp-input-container sp-cf'>",
+ "<input class='sp-input' type='text' spellcheck='false' />",
+ "</div>",
+ "<div class='sp-initial sp-thumb sp-cf'></div>",
+ "<div class='sp-button-container sp-cf'>",
+ "<a class='sp-cancel' href='#'></a>",
+ "<button class='sp-choose'></button>",
+ "</div>",
+ "</div>",
+ "</div>"
+ ].join("");
+ })();
+
+ function paletteTemplate (p, color, className) {
+ var html = [];
+ for (var i = 0; i < p.length; i++) {
+ var current = p[i];
+ if(current) {
+ var tiny = tinycolor(current);
+ var c = tiny.toHsl().l < 0.5 ? "sp-thumb-el sp-thumb-dark" : "sp-thumb-el sp-thumb-light";
+ c += (tinycolor.equals(color, current)) ? " sp-thumb-active" : "";
+
+ var swatchStyle = rgbaSupport ? ("background-color:" + tiny.toRgbString()) : "filter:" + tiny.toFilter();
+ html.push('<span title="' + tiny.toRgbString() + '" data-color="' + tiny.toRgbString() + '" class="' + c + '"><span class="sp-thumb-inner" style="' + swatchStyle + ';" /></span>');
+ } else {
+ var cls = 'sp-clear-display';
+ html.push('<span title="No Color Selected" data-color="" style="background-color:transparent;" class="' + cls + '"></span>');
+ }
+ }
+ return "<div class='sp-cf " + className + "'>" + html.join('') + "</div>";
+ }
+
+ function hideAll() {
+ for (var i = 0; i < spectrums.length; i++) {
+ if (spectrums[i]) {
+ spectrums[i].hide();
+ }
+ }
+ }
+
+ function instanceOptions(o, callbackContext) {
+ var opts = $.extend({}, defaultOpts, o);
+ opts.callbacks = {
+ 'move': bind(opts.move, callbackContext),
+ 'change': bind(opts.change, callbackContext),
+ 'show': bind(opts.show, callbackContext),
+ 'hide': bind(opts.hide, callbackContext),
+ 'beforeShow': bind(opts.beforeShow, callbackContext)
+ };
+
+ return opts;
+ }
+
+ function spectrum(element, o) {
+
+ var opts = instanceOptions(o, element),
+ flat = opts.flat,
+ showSelectionPalette = opts.showSelectionPalette,
+ localStorageKey = opts.localStorageKey,
+ theme = opts.theme,
+ callbacks = opts.callbacks,
+ resize = throttle(reflow, 10),
+ visible = false,
+ dragWidth = 0,
+ dragHeight = 0,
+ dragHelperHeight = 0,
+ slideHeight = 0,
+ slideWidth = 0,
+ alphaWidth = 0,
+ alphaSlideHelperWidth = 0,
+ slideHelperHeight = 0,
+ currentHue = 0,
+ currentSaturation = 0,
+ currentValue = 0,
+ currentAlpha = 1,
+ palette = opts.palette.slice(0),
+ paletteArray = $.isArray(palette[0]) ? palette : [palette],
+ selectionPalette = opts.selectionPalette.slice(0),
+ maxSelectionSize = opts.maxSelectionSize,
+ draggingClass = "sp-dragging",
+ shiftMovementDirection = null;
+
+ var doc = element.ownerDocument,
+ body = doc.body,
+ boundElement = $(element),
+ disabled = false,
+ container = $(markup, doc).addClass(theme),
+ dragger = container.find(".sp-color"),
+ dragHelper = container.find(".sp-dragger"),
+ slider = container.find(".sp-hue"),
+ slideHelper = container.find(".sp-slider"),
+ alphaSliderInner = container.find(".sp-alpha-inner"),
+ alphaSlider = container.find(".sp-alpha"),
+ alphaSlideHelper = container.find(".sp-alpha-handle"),
+ textInput = container.find(".sp-input"),
+ paletteContainer = container.find(".sp-palette"),
+ initialColorContainer = container.find(".sp-initial"),
+ cancelButton = container.find(".sp-cancel"),
+ clearButton = container.find(".sp-clear"),
+ chooseButton = container.find(".sp-choose"),
+ isInput = boundElement.is("input"),
+ isInputTypeColor = isInput && inputTypeColorSupport && boundElement.attr("type") === "color",
+ shouldReplace = isInput && !flat,
+ replacer = (shouldReplace) ? $(replaceInput).addClass(theme).addClass(opts.className) : $([]),
+ offsetElement = (shouldReplace) ? replacer : boundElement,
+ previewElement = replacer.find(".sp-preview-inner"),
+ initialColor = opts.color || (isInput && boundElement.val()),
+ colorOnShow = false,
+ preferredFormat = opts.preferredFormat,
+ currentPreferredFormat = preferredFormat,
+ clickoutFiresChange = !opts.showButtons || opts.clickoutFiresChange,
+ isEmpty = !initialColor,
+ allowEmpty = opts.allowEmpty && !isInputTypeColor;
+
+ function applyOptions() {
+
+ if (opts.showPaletteOnly) {
+ opts.showPalette = true;
+ }
+
+ container.toggleClass("sp-flat", flat);
+ container.toggleClass("sp-input-disabled", !opts.showInput);
+ container.toggleClass("sp-alpha-enabled", opts.showAlpha);
+ container.toggleClass("sp-clear-enabled", allowEmpty);
+ container.toggleClass("sp-buttons-disabled", !opts.showButtons);
+ container.toggleClass("sp-palette-disabled", !opts.showPalette);
+ container.toggleClass("sp-palette-only", opts.showPaletteOnly);
+ container.toggleClass("sp-initial-disabled", !opts.showInitial);
+ container.addClass(opts.className);
+
+ reflow();
+ }
+
+ function initialize() {
+
+ if (IE) {
+ container.find("*:not(input)").attr("unselectable", "on");
+ }
+
+ applyOptions();
+
+ if (shouldReplace) {
+ boundElement.after(replacer).hide();
+ }
+
+ if (!allowEmpty) {
+ clearButton.hide();
+ }
+
+ if (flat) {
+ boundElement.after(container).hide();
+ }
+ else {
+
+ var appendTo = opts.appendTo === "parent" ? boundElement.parent() : $(opts.appendTo);
+ if (appendTo.length !== 1) {
+ appendTo = $("body");
+ }
+
+ appendTo.append(container);
+ }
+
+ if (localStorageKey && window.localStorage) {
+
+ // Migrate old palettes over to new format. May want to remove this eventually.
+ try {
+ var oldPalette = window.localStorage[localStorageKey].split(",#");
+ if (oldPalette.length > 1) {
+ delete window.localStorage[localStorageKey];
+ $.each(oldPalette, function(i, c) {
+ addColorToSelectionPalette(c);
+ });
+ }
+ }
+ catch(e) { }
+
+ try {
+ selectionPalette = window.localStorage[localStorageKey].split(";");
+ }
+ catch (e) { }
+ }
+
+ offsetElement.bind("click.spectrum touchstart.spectrum", function (e) {
+ if (!disabled) {
+ toggle();
+ }
+
+ e.stopPropagation();
+
+ if (!$(e.target).is("input")) {
+ e.preventDefault();
+ }
+ });
+
+ if(boundElement.is(":disabled") || (opts.disabled === true)) {
+ disable();
+ }
+
+ // Prevent clicks from bubbling up to document. This would cause it to be hidden.
+ container.click(stopPropagation);
+
+ // Handle user typed input
+ textInput.change(setFromTextInput);
+ textInput.bind("paste", function () {
+ setTimeout(setFromTextInput, 1);
+ });
+ textInput.keydown(function (e) { if (e.keyCode == 13) { setFromTextInput(); } });
+
+ cancelButton.text(opts.cancelText);
+ cancelButton.bind("click.spectrum", function (e) {
+ e.stopPropagation();
+ e.preventDefault();
+ hide("cancel");
+ });
+
+
+ clearButton.bind("click.spectrum", function (e) {
+ e.stopPropagation();
+ e.preventDefault();
+
+ isEmpty = true;
+
+ move();
+ if(flat) {
+ //for the flat style, this is a change event
+ updateOriginalInput(true);
+ }
+ });
+
+
+ chooseButton.text(opts.chooseText);
+ chooseButton.bind("click.spectrum", function (e) {
+ e.stopPropagation();
+ e.preventDefault();
+
+ if (isValid()) {
+ updateOriginalInput(true);
+ hide();
+ }
+ });
+
+ draggable(alphaSlider, function (dragX, dragY, e) {
+ currentAlpha = (dragX / alphaWidth);
+ isEmpty = false;
+ if (e.shiftKey) {
+ currentAlpha = Math.round(currentAlpha * 10) / 10;
+ }
+
+ move();
+ });
+
+ draggable(slider, function (dragX, dragY) {
+ currentHue = parseFloat(dragY / slideHeight);
+ isEmpty = false;
+ move();
+ }, dragStart, dragStop);
+
+ draggable(dragger, function (dragX, dragY, e) {
+
+ // shift+drag should snap the movement to either the x or y axis.
+ if (!e.shiftKey) {
+ shiftMovementDirection = null;
+ }
+ else if (!shiftMovementDirection) {
+ var oldDragX = currentSaturation * dragWidth;
+ var oldDragY = dragHeight - (currentValue * dragHeight);
+ var furtherFromX = Math.abs(dragX - oldDragX) > Math.abs(dragY - oldDragY);
+
+ shiftMovementDirection = furtherFromX ? "x" : "y";
+ }
+
+ var setSaturation = !shiftMovementDirection || shiftMovementDirection === "x";
+ var setValue = !shiftMovementDirection || shiftMovementDirection === "y";
+
+ if (setSaturation) {
+ currentSaturation = parseFloat(dragX / dragWidth);
+ }
+ if (setValue) {
+ currentValue = parseFloat((dragHeight - dragY) / dragHeight);
+ }
+
+ isEmpty = false;
+
+ move();
+
+ }, dragStart, dragStop);
+
+ if (!!initialColor) {
+ set(initialColor);
+
+ // In case color was black - update the preview UI and set the format
+ // since the set function will not run (default color is black).
+ updateUI();
+ currentPreferredFormat = preferredFormat || tinycolor(initialColor).format;
+
+ addColorToSelectionPalette(initialColor);
+ }
+ else {
+ updateUI();
+ }
+
+ if (flat) {
+ show();
+ }
+
+ function palletElementClick(e) {
+ if (e.data && e.data.ignore) {
+ set($(this).data("color"));
+ move();
+ }
+ else {
+ set($(this).data("color"));
+ updateOriginalInput(true);
+ move();
+ hide();
+ }
+
+ return false;
+ }
+
+ var paletteEvent = IE ? "mousedown.spectrum" : "click.spectrum touchstart.spectrum";
+ paletteContainer.delegate(".sp-thumb-el", paletteEvent, palletElementClick);
+ initialColorContainer.delegate(".sp-thumb-el:nth-child(1)", paletteEvent, { ignore: true }, palletElementClick);
+ }
+
+ function addColorToSelectionPalette(color) {
+ if (showSelectionPalette) {
+ var colorRgb = tinycolor(color).toRgbString();
+ if ($.inArray(colorRgb, selectionPalette) === -1) {
+ selectionPalette.push(colorRgb);
+ while(selectionPalette.length > maxSelectionSize) {
+ selectionPalette.shift();
+ }
+ }
+
+ if (localStorageKey && window.localStorage) {
+ try {
+ window.localStorage[localStorageKey] = selectionPalette.join(";");
+ }
+ catch(e) { }
+ }
+ }
+ }
+
+ function getUniqueSelectionPalette() {
+ var unique = [];
+ var p = selectionPalette;
+ var paletteLookup = {};
+ var rgb;
+
+ if (opts.showPalette) {
+
+ for (var i = 0; i < paletteArray.length; i++) {
+ for (var j = 0; j < paletteArray[i].length; j++) {
+ rgb = tinycolor(paletteArray[i][j]).toRgbString();
+ paletteLookup[rgb] = true;
+ }
+ }
+
+ for (i = 0; i < p.length; i++) {
+ rgb = tinycolor(p[i]).toRgbString();
+
+ if (!paletteLookup.hasOwnProperty(rgb)) {
+ unique.push(p[i]);
+ paletteLookup[rgb] = true;
+ }
+ }
+ }
+
+ return unique.reverse().slice(0, opts.maxSelectionSize);
+ }
+
+ function drawPalette() {
+
+ var currentColor = get();
+
+ var html = $.map(paletteArray, function (palette, i) {
+ return paletteTemplate(palette, currentColor, "sp-palette-row sp-palette-row-" + i);
+ });
+
+ if (selectionPalette) {
+ html.push(paletteTemplate(getUniqueSelectionPalette(), currentColor, "sp-palette-row sp-palette-row-selection"));
+ }
+
+ paletteContainer.html(html.join(""));
+ }
+
+ function drawInitial() {
+ if (opts.showInitial) {
+ var initial = colorOnShow;
+ var current = get();
+ initialColorContainer.html(paletteTemplate([initial, current], current, "sp-palette-row-initial"));
+ }
+ }
+
+ function dragStart() {
+ if (dragHeight <= 0 || dragWidth <= 0 || slideHeight <= 0) {
+ reflow();
+ }
+ container.addClass(draggingClass);
+ shiftMovementDirection = null;
+ }
+
+ function dragStop() {
+ container.removeClass(draggingClass);
+ }
+
+ function setFromTextInput() {
+
+ var value = textInput.val();
+
+ if ((value === null || value === "") && allowEmpty) {
+ set(null);
+ }
+ else {
+ var tiny = tinycolor(value);
+ if (tiny.ok) {
+ set(tiny);
+ }
+ else {
+ textInput.addClass("sp-validation-error");
+ }
+ }
+ }
+
+ function toggle() {
+ if (visible) {
+ hide();
+ }
+ else {
+ show();
+ }
+ }
+
+ function show() {
+ var event = $.Event('beforeShow.spectrum');
+
+ if (visible) {
+ reflow();
+ return;
+ }
+
+ boundElement.trigger(event, [ get() ]);
+
+ if (callbacks.beforeShow(get()) === false || event.isDefaultPrevented()) {
+ return;
+ }
+
+ hideAll();
+ visible = true;
+
+ $(doc).bind("click.spectrum", hide);
+ $(window).bind("resize.spectrum", resize);
+ replacer.addClass("sp-active");
+ container.removeClass("sp-hidden");
+
+ if (opts.showPalette) {
+ drawPalette();
+ }
+ reflow();
+ updateUI();
+
+ colorOnShow = get();
+
+ drawInitial();
+ callbacks.show(colorOnShow);
+ boundElement.trigger('show.spectrum', [ colorOnShow ]);
+ }
+
+ function hide(e) {
+
+ // Return on right click
+ if (e && e.type == "click" && e.button == 2) { return; }
+
+ // Return if hiding is unnecessary
+ if (!visible || flat) { return; }
+ visible = false;
+
+ $(doc).unbind("click.spectrum", hide);
+ $(window).unbind("resize.spectrum", resize);
+
+ replacer.removeClass("sp-active");
+ container.addClass("sp-hidden");
+
+ var colorHasChanged = !tinycolor.equals(get(), colorOnShow);
+
+ if (colorHasChanged) {
+ if (clickoutFiresChange && e !== "cancel") {
+ updateOriginalInput(true);
+ }
+ else {
+ revert();
+ }
+ }
+
+ callbacks.hide(get());
+ boundElement.trigger('hide.spectrum', [ get() ]);
+ }
+
+ function revert() {
+ set(colorOnShow, true);
+ }
+
+ function set(color, ignoreFormatChange) {
+ if (tinycolor.equals(color, get())) {
+ return;
+ }
+
+ var newColor;
+ if (!color && allowEmpty) {
+ isEmpty = true;
+ } else {
+ isEmpty = false;
+ newColor = tinycolor(color);
+ var newHsv = newColor.toHsv();
+
+ currentHue = (newHsv.h % 360) / 360;
+ currentSaturation = newHsv.s;
+ currentValue = newHsv.v;
+ currentAlpha = newHsv.a;
+ }
+ updateUI();
+
+ if (newColor && newColor.ok && !ignoreFormatChange) {
+ currentPreferredFormat = preferredFormat || newColor.format;
+ }
+ }
+
+ function get(opts) {
+ opts = opts || { };
+
+ if (allowEmpty && isEmpty) {
+ return null;
+ }
+
+ return tinycolor.fromRatio({
+ h: currentHue,
+ s: currentSaturation,
+ v: currentValue,
+ a: Math.round(currentAlpha * 100) / 100
+ }, { format: opts.format || currentPreferredFormat });
+ }
+
+ function isValid() {
+ return !textInput.hasClass("sp-validation-error");
+ }
+
+ function move() {
+ updateUI();
+
+ callbacks.move(get());
+ boundElement.trigger('move.spectrum', [ get() ]);
+ }
+
+ function updateUI() {
+
+ textInput.removeClass("sp-validation-error");
+
+ updateHelperLocations();
+
+ // Update dragger background color (gradients take care of saturation and value).
+ var flatColor = tinycolor.fromRatio({ h: currentHue, s: 1, v: 1 });
+ dragger.css("background-color", flatColor.toHexString());
+
+ // Get a format that alpha will be included in (hex and names ignore alpha)
+ var format = currentPreferredFormat;
+ if (currentAlpha < 1) {
+ if (format === "hex" || format === "hex3" || format === "hex6" || format === "name") {
+ format = "rgb";
+ }
+ }
+
+ var realColor = get({ format: format }),
+ displayColor = '';
+
+ //reset background info for preview element
+ previewElement.removeClass("sp-clear-display");
+ previewElement.css('background-color', 'transparent');
+
+ if (!realColor && allowEmpty) {
+ // Update the replaced elements background with icon indicating no color selection
+ previewElement.addClass("sp-clear-display");
+ }
+ else {
+ var realHex = realColor.toHexString(),
+ realRgb = realColor.toRgbString();
+
+ // Update the replaced elements background color (with actual selected color)
+ if (rgbaSupport || realColor.alpha === 1) {
+ previewElement.css("background-color", realRgb);
+ }
+ else {
+ previewElement.css("background-color", "transparent");
+ previewElement.css("filter", realColor.toFilter());
+ }
+
+ if (opts.showAlpha) {
+ var rgb = realColor.toRgb();
+ rgb.a = 0;
+ var realAlpha = tinycolor(rgb).toRgbString();
+ var gradient = "linear-gradient(left, " + realAlpha + ", " + realHex + ")";
+
+ if (IE) {
+ alphaSliderInner.css("filter", tinycolor(realAlpha).toFilter({ gradientType: 1 }, realHex));
+ }
+ else {
+ alphaSliderInner.css("background", "-webkit-" + gradient);
+ alphaSliderInner.css("background", "-moz-" + gradient);
+ alphaSliderInner.css("background", "-ms-" + gradient);
+ alphaSliderInner.css("background", gradient);
+ }
+ }
+
+ displayColor = realColor.toString(format);
+ }
+ // Update the text entry input as it changes happen
+ if (opts.showInput) {
+ textInput.val(displayColor);
+ }
+
+ if (opts.showPalette) {
+ drawPalette();
+ }
+
+ drawInitial();
+ }
+
+ function updateHelperLocations() {
+ var s = currentSaturation;
+ var v = currentValue;
+
+ if(allowEmpty && isEmpty) {
+ //if selected color is empty, hide the helpers
+ alphaSlideHelper.hide();
+ slideHelper.hide();
+ dragHelper.hide();
+ }
+ else {
+ //make sure helpers are visible
+ alphaSlideHelper.show();
+ slideHelper.show();
+ dragHelper.show();
+
+ // Where to show the little circle in that displays your current selected color
+ var dragX = s * dragWidth;
+ var dragY = dragHeight - (v * dragHeight);
+ dragX = Math.max(
+ -dragHelperHeight,
+ Math.min(dragWidth - dragHelperHeight, dragX - dragHelperHeight)
+ );
+ dragY = Math.max(
+ -dragHelperHeight,
+ Math.min(dragHeight - dragHelperHeight, dragY - dragHelperHeight)
+ );
+ dragHelper.css({
+ "top": dragY,
+ "left": dragX
+ });
+
+ var alphaX = currentAlpha * alphaWidth;
+ alphaSlideHelper.css({
+ "left": alphaX - (alphaSlideHelperWidth / 2)
+ });
+
+ // Where to show the bar that displays your current selected hue
+ var slideY = (currentHue) * slideHeight;
+ slideHelper.css({
+ "top": slideY - slideHelperHeight
+ });
+ }
+ }
+
+ function updateOriginalInput(fireCallback) {
+ var color = get(),
+ displayColor = '',
+ hasChanged = !tinycolor.equals(color, colorOnShow);
+
+ if(color) {
+ displayColor = color.toString(currentPreferredFormat);
+ // Update the selection palette with the current color
+ addColorToSelectionPalette(color);
+ }
+
+ if (isInput) {
+ boundElement.val(displayColor);
+ }
+
+ colorOnShow = color;
+
+ if (fireCallback && hasChanged) {
+ callbacks.change(color);
+ boundElement.trigger('change', [ color ]);
+ }
+ }
+
+ function reflow() {
+ dragWidth = dragger.width();
+ dragHeight = dragger.height();
+ dragHelperHeight = dragHelper.height();
+ slideWidth = slider.width();
+ slideHeight = slider.height();
+ slideHelperHeight = slideHelper.height();
+ alphaWidth = alphaSlider.width();
+ alphaSlideHelperWidth = alphaSlideHelper.width();
+
+ if (!flat) {
+ container.css("position", "absolute");
+ container.offset(getOffset(container, offsetElement));
+ }
+
+ updateHelperLocations();
+ }
+
+ function destroy() {
+ boundElement.show();
+ offsetElement.unbind("click.spectrum touchstart.spectrum");
+ container.remove();
+ replacer.remove();
+ spectrums[spect.id] = null;
+ }
+
+ function option(optionName, optionValue) {
+ if (optionName === undefined) {
+ return $.extend({}, opts);
+ }
+ if (optionValue === undefined) {
+ return opts[optionName];
+ }
+
+ opts[optionName] = optionValue;
+ applyOptions();
+ }
+
+ function enable() {
+ disabled = false;
+ boundElement.attr("disabled", false);
+ offsetElement.removeClass("sp-disabled");
+ }
+
+ function disable() {
+ hide();
+ disabled = true;
+ boundElement.attr("disabled", true);
+ offsetElement.addClass("sp-disabled");
+ }
+
+ initialize();
+
+ var spect = {
+ show: show,
+ hide: hide,
+ toggle: toggle,
+ reflow: reflow,
+ option: option,
+ enable: enable,
+ disable: disable,
+ set: function (c) {
+ set(c);
+ updateOriginalInput();
+ },
+ get: get,
+ destroy: destroy,
+ container: container
+ };
+
+ spect.id = spectrums.push(spect) - 1;
+
+ return spect;
+ }
+
+ /**
+ * checkOffset - get the offset below/above and left/right element depending on screen position
+ * Thanks https://github.com/jquery/jquery-ui/blob/master/ui/jquery.ui.datepicker.js
+ */
+ function getOffset(picker, input) {
+ var extraY = 0;
+ var dpWidth = picker.outerWidth();
+ var dpHeight = picker.outerHeight();
+ var inputHeight = input.outerHeight();
+ var doc = picker[0].ownerDocument;
+ var docElem = doc.documentElement;
+ var viewWidth = docElem.clientWidth + $(doc).scrollLeft();
+ var viewHeight = docElem.clientHeight + $(doc).scrollTop();
+ var offset = input.offset();
+ offset.top += inputHeight;
+
+ offset.left -=
+ Math.min(offset.left, (offset.left + dpWidth > viewWidth && viewWidth > dpWidth) ?
+ Math.abs(offset.left + dpWidth - viewWidth) : 0);
+
+ offset.top -=
+ Math.min(offset.top, ((offset.top + dpHeight > viewHeight && viewHeight > dpHeight) ?
+ Math.abs(dpHeight + inputHeight - extraY) : extraY));
+
+ return offset;
+ }
+
+ /**
+ * noop - do nothing
+ */
+ function noop() {
+
+ }
+
+ /**
+ * stopPropagation - makes the code only doing this a little easier to read in line
+ */
+ function stopPropagation(e) {
+ e.stopPropagation();
+ }
+
+ /**
+ * Create a function bound to a given object
+ * Thanks to underscore.js
+ */
+ function bind(func, obj) {
+ var slice = Array.prototype.slice;
+ var args = slice.call(arguments, 2);
+ return function () {
+ return func.apply(obj, args.concat(slice.call(arguments)));
+ };
+ }
+
+ /**
+ * Lightweight drag helper. Handles containment within the element, so that
+ * when dragging, the x is within [0,element.width] and y is within [0,element.height]
+ */
+ function draggable(element, onmove, onstart, onstop) {
+ onmove = onmove || function () { };
+ onstart = onstart || function () { };
+ onstop = onstop || function () { };
+ var doc = element.ownerDocument || document;
+ var dragging = false;
+ var offset = {};
+ var maxHeight = 0;
+ var maxWidth = 0;
+ var hasTouch = ('ontouchstart' in window);
+
+ var duringDragEvents = {};
+ duringDragEvents["selectstart"] = prevent;
+ duringDragEvents["dragstart"] = prevent;
+ duringDragEvents["touchmove mousemove"] = move;
+ duringDragEvents["touchend mouseup"] = stop;
+
+ function prevent(e) {
+ if (e.stopPropagation) {
+ e.stopPropagation();
+ }
+ if (e.preventDefault) {
+ e.preventDefault();
+ }
+ e.returnValue = false;
+ }
+
+ function move(e) {
+ if (dragging) {
+ // Mouseup happened outside of window
+ if (IE && document.documentMode < 9 && !e.button) {
+ return stop();
+ }
+
+ var touches = e.originalEvent.touches;
+ var pageX = touches ? touches[0].pageX : e.pageX;
+ var pageY = touches ? touches[0].pageY : e.pageY;
+
+ var dragX = Math.max(0, Math.min(pageX - offset.left, maxWidth));
+ var dragY = Math.max(0, Math.min(pageY - offset.top, maxHeight));
+
+ if (hasTouch) {
+ // Stop scrolling in iOS
+ prevent(e);
+ }
+
+ onmove.apply(element, [dragX, dragY, e]);
+ }
+ }
+ function start(e) {
+ var rightclick = (e.which) ? (e.which == 3) : (e.button == 2);
+ var touches = e.originalEvent.touches;
+
+ if (!rightclick && !dragging) {
+ if (onstart.apply(element, arguments) !== false) {
+ dragging = true;
+ maxHeight = $(element).height();
+ maxWidth = $(element).width();
+ offset = $(element).offset();
+
+ $(doc).bind(duringDragEvents);
+ $(doc.body).addClass("sp-dragging");
+
+ if (!hasTouch) {
+ move(e);
+ }
+
+ prevent(e);
+ }
+ }
+ }
+ function stop() {
+ if (dragging) {
+ $(doc).unbind(duringDragEvents);
+ $(doc.body).removeClass("sp-dragging");
+ onstop.apply(element, arguments);
+ }
+ dragging = false;
+ }
+
+ $(element).bind("touchstart mousedown", start);
+ }
+
+ function throttle(func, wait, debounce) {
+ var timeout;
+ return function () {
+ var context = this, args = arguments;
+ var throttler = function () {
+ timeout = null;
+ func.apply(context, args);
+ };
+ if (debounce) clearTimeout(timeout);
+ if (debounce || !timeout) timeout = setTimeout(throttler, wait);
+ };
+ }
+
+
+ function log(){/* jshint -W021 */if(window.console){if(Function.prototype.bind)log=Function.prototype.bind.call(console.log,console);else log=function(){Function.prototype.apply.call(console.log,console,arguments);};log.apply(this,arguments);}}
+
+ /**
+ * Define a jQuery plugin
+ */
+ var dataID = "spectrum.id";
+ $.fn.spectrum = function (opts, extra) {
+
+ if (typeof opts == "string") {
+
+ var returnValue = this;
+ var args = Array.prototype.slice.call( arguments, 1 );
+
+ this.each(function () {
+ var spect = spectrums[$(this).data(dataID)];
+ if (spect) {
+
+ var method = spect[opts];
+ if (!method) {
+ throw new Error( "Spectrum: no such method: '" + opts + "'" );
+ }
+
+ if (opts == "get") {
+ returnValue = spect.get();
+ }
+ else if (opts == "container") {
+ returnValue = spect.container;
+ }
+ else if (opts == "option") {
+ returnValue = spect.option.apply(spect, args);
+ }
+ else if (opts == "destroy") {
+ spect.destroy();
+ $(this).removeData(dataID);
+ }
+ else {
+ method.apply(spect, args);
+ }
+ }
+ });
+
+ return returnValue;
+ }
+
+ // Initializing a new instance of spectrum
+ return this.spectrum("destroy").each(function () {
+ var spect = spectrum(this, opts);
+ $(this).data(dataID, spect.id);
+ });
+ };
+
+ $.fn.spectrum.load = true;
+ $.fn.spectrum.loadOpts = {};
+ $.fn.spectrum.draggable = draggable;
+ $.fn.spectrum.defaults = defaultOpts;
+
+ $.spectrum = { };
+ $.spectrum.localization = { };
+ $.spectrum.palettes = { };
+
+ $.fn.spectrum.processNativeColorInputs = function () {
+ if (!inputTypeColorSupport) {
+ $("input[type=color]").spectrum({
+ preferredFormat: "hex6"
+ });
+ }
+ };
+
+ // TinyColor v0.9.16
+ // https://github.com/bgrins/TinyColor
+ // 2013-08-10, Brian Grinstead, MIT License
+
+ (function() {
+
+ var trimLeft = /^[\s,#]+/,
+ trimRight = /\s+$/,
+ tinyCounter = 0,
+ math = Math,
+ mathRound = math.round,
+ mathMin = math.min,
+ mathMax = math.max,
+ mathRandom = math.random;
+
+ function tinycolor (color, opts) {
+
+ color = (color) ? color : '';
+ opts = opts || { };
+
+ // If input is already a tinycolor, return itself
+ if (typeof color == "object" && color.hasOwnProperty("_tc_id")) {
+ return color;
+ }
+
+ var rgb = inputToRGB(color);
+ var r = rgb.r,
+ g = rgb.g,
+ b = rgb.b,
+ a = rgb.a,
+ roundA = mathRound(100*a) / 100,
+ format = opts.format || rgb.format;
+
+ // Don't let the range of [0,255] come back in [0,1].
+ // Potentially lose a little bit of precision here, but will fix issues where
+ // .5 gets interpreted as half of the total, instead of half of 1
+ // If it was supposed to be 128, this was already taken care of by `inputToRgb`
+ if (r < 1) { r = mathRound(r); }
+ if (g < 1) { g = mathRound(g); }
+ if (b < 1) { b = mathRound(b); }
+
+ return {
+ ok: rgb.ok,
+ format: format,
+ _tc_id: tinyCounter++,
+ alpha: a,
+ getAlpha: function() {
+ return a;
+ },
+ setAlpha: function(value) {
+ a = boundAlpha(value);
+ roundA = mathRound(100*a) / 100;
+ },
+ toHsv: function() {
+ var hsv = rgbToHsv(r, g, b);
+ return { h: hsv.h * 360, s: hsv.s, v: hsv.v, a: a };
+ },
+ toHsvString: function() {
+ var hsv = rgbToHsv(r, g, b);
+ var h = mathRound(hsv.h * 360), s = mathRound(hsv.s * 100), v = mathRound(hsv.v * 100);
+ return (a == 1) ?
+ "hsv(" + h + ", " + s + "%, " + v + "%)" :
+ "hsva(" + h + ", " + s + "%, " + v + "%, "+ roundA + ")";
+ },
+ toHsl: function() {
+ var hsl = rgbToHsl(r, g, b);
+ return { h: hsl.h * 360, s: hsl.s, l: hsl.l, a: a };
+ },
+ toHslString: function() {
+ var hsl = rgbToHsl(r, g, b);
+ var h = mathRound(hsl.h * 360), s = mathRound(hsl.s * 100), l = mathRound(hsl.l * 100);
+ return (a == 1) ?
+ "hsl(" + h + ", " + s + "%, " + l + "%)" :
+ "hsla(" + h + ", " + s + "%, " + l + "%, "+ roundA + ")";
+ },
+ toHex: function(allow3Char) {
+ return rgbToHex(r, g, b, allow3Char);
+ },
+ toHexString: function(allow3Char) {
+ return '#' + rgbToHex(r, g, b, allow3Char);
+ },
+ toRgb: function() {
+ return { r: mathRound(r), g: mathRound(g), b: mathRound(b), a: a };
+ },
+ toRgbString: function() {
+ return (a == 1) ?
+ "rgb(" + mathRound(r) + ", " + mathRound(g) + ", " + mathRound(b) + ")" :
+ "rgba(" + mathRound(r) + ", " + mathRound(g) + ", " + mathRound(b) + ", " + roundA + ")";
+ },
+ toPercentageRgb: function() {
+ return { r: mathRound(bound01(r, 255) * 100) + "%", g: mathRound(bound01(g, 255) * 100) + "%", b: mathRound(bound01(b, 255) * 100) + "%", a: a };
+ },
+ toPercentageRgbString: function() {
+ return (a == 1) ?
+ "rgb(" + mathRound(bound01(r, 255) * 100) + "%, " + mathRound(bound01(g, 255) * 100) + "%, " + mathRound(bound01(b, 255) * 100) + "%)" :
+ "rgba(" + mathRound(bound01(r, 255) * 100) + "%, " + mathRound(bound01(g, 255) * 100) + "%, " + mathRound(bound01(b, 255) * 100) + "%, " + roundA + ")";
+ },
+ toName: function() {
+ if (a === 0) {
+ return "transparent";
+ }
+
+ return hexNames[rgbToHex(r, g, b, true)] || false;
+ },
+ toFilter: function(secondColor) {
+ var hex = rgbToHex(r, g, b);
+ var secondHex = hex;
+ var alphaHex = Math.round(parseFloat(a) * 255).toString(16);
+ var secondAlphaHex = alphaHex;
+ var gradientType = opts && opts.gradientType ? "GradientType = 1, " : "";
+
+ if (secondColor) {
+ var s = tinycolor(secondColor);
+ secondHex = s.toHex();
+ secondAlphaHex = Math.round(parseFloat(s.alpha) * 255).toString(16);
+ }
+
+ return "progid:DXImageTransform.Microsoft.gradient("+gradientType+"startColorstr=#" + pad2(alphaHex) + hex + ",endColorstr=#" + pad2(secondAlphaHex) + secondHex + ")";
+ },
+ toString: function(format) {
+ var formatSet = !!format;
+ format = format || this.format;
+
+ var formattedString = false;
+ var hasAlphaAndFormatNotSet = !formatSet && a < 1 && a > 0;
+ var formatWithAlpha = hasAlphaAndFormatNotSet && (format === "hex" || format === "hex6" || format === "hex3" || format === "name");
+
+ if (format === "rgb") {
+ formattedString = this.toRgbString();
+ }
+ if (format === "prgb") {
+ formattedString = this.toPercentageRgbString();
+ }
+ if (format === "hex" || format === "hex6") {
+ formattedString = this.toHexString();
+ }
+ if (format === "hex3") {
+ formattedString = this.toHexString(true);
+ }
+ if (format === "name") {
+ formattedString = this.toName();
+ }
+ if (format === "hsl") {
+ formattedString = this.toHslString();
+ }
+ if (format === "hsv") {
+ formattedString = this.toHsvString();
+ }
+
+ if (formatWithAlpha) {
+ return this.toRgbString();
+ }
+
+ return formattedString || this.toHexString();
+ }
+ };
+ }
+
+ // If input is an object, force 1 into "1.0" to handle ratios properly
+ // String input requires "1.0" as input, so 1 will be treated as 1
+ tinycolor.fromRatio = function(color, opts) {
+ if (typeof color == "object") {
+ var newColor = {};
+ for (var i in color) {
+ if (color.hasOwnProperty(i)) {
+ if (i === "a") {
+ newColor[i] = color[i];
+ }
+ else {
+ newColor[i] = convertToPercentage(color[i]);
+ }
+ }
+ }
+ color = newColor;
+ }
+
+ return tinycolor(color, opts);
+ };
+
+ // Given a string or object, convert that input to RGB
+ // Possible string inputs:
+ //
+ // "red"
+ // "#f00" or "f00"
+ // "#ff0000" or "ff0000"
+ // "rgb 255 0 0" or "rgb (255, 0, 0)"
+ // "rgb 1.0 0 0" or "rgb (1, 0, 0)"
+ // "rgba (255, 0, 0, 1)" or "rgba 255, 0, 0, 1"
+ // "rgba (1.0, 0, 0, 1)" or "rgba 1.0, 0, 0, 1"
+ // "hsl(0, 100%, 50%)" or "hsl 0 100% 50%"
+ // "hsla(0, 100%, 50%, 1)" or "hsla 0 100% 50%, 1"
+ // "hsv(0, 100%, 100%)" or "hsv 0 100% 100%"
+ //
+ function inputToRGB(color) {
+
+ var rgb = { r: 0, g: 0, b: 0 };
+ var a = 1;
+ var ok = false;
+ var format = false;
+
+ if (typeof color == "string") {
+ color = stringInputToObject(color);
+ }
+
+ if (typeof color == "object") {
+ if (color.hasOwnProperty("r") && color.hasOwnProperty("g") && color.hasOwnProperty("b")) {
+ rgb = rgbToRgb(color.r, color.g, color.b);
+ ok = true;
+ format = String(color.r).substr(-1) === "%" ? "prgb" : "rgb";
+ }
+ else if (color.hasOwnProperty("h") && color.hasOwnProperty("s") && color.hasOwnProperty("v")) {
+ color.s = convertToPercentage(color.s);
+ color.v = convertToPercentage(color.v);
+ rgb = hsvToRgb(color.h, color.s, color.v);
+ ok = true;
+ format = "hsv";
+ }
+ else if (color.hasOwnProperty("h") && color.hasOwnProperty("s") && color.hasOwnProperty("l")) {
+ color.s = convertToPercentage(color.s);
+ color.l = convertToPercentage(color.l);
+ rgb = hslToRgb(color.h, color.s, color.l);
+ ok = true;
+ format = "hsl";
+ }
+
+ if (color.hasOwnProperty("a")) {
+ a = color.a;
+ }
+ }
+
+ a = boundAlpha(a);
+
+ return {
+ ok: ok,
+ format: color.format || format,
+ r: mathMin(255, mathMax(rgb.r, 0)),
+ g: mathMin(255, mathMax(rgb.g, 0)),
+ b: mathMin(255, mathMax(rgb.b, 0)),
+ a: a
+ };
+ }
+
+
+ // Conversion Functions
+ // --------------------
+
+ // `rgbToHsl`, `rgbToHsv`, `hslToRgb`, `hsvToRgb` modified from:
+ // <http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript>
+
+ // `rgbToRgb`
+ // Handle bounds / percentage checking to conform to CSS color spec
+ // <http://www.w3.org/TR/css3-color/>
+ // *Assumes:* r, g, b in [0, 255] or [0, 1]
+ // *Returns:* { r, g, b } in [0, 255]
+ function rgbToRgb(r, g, b){
+ return {
+ r: bound01(r, 255) * 255,
+ g: bound01(g, 255) * 255,
+ b: bound01(b, 255) * 255
+ };
+ }
+
+ // `rgbToHsl`
+ // Converts an RGB color value to HSL.
+ // *Assumes:* r, g, and b are contained in [0, 255] or [0, 1]
+ // *Returns:* { h, s, l } in [0,1]
+ function rgbToHsl(r, g, b) {
+
+ r = bound01(r, 255);
+ g = bound01(g, 255);
+ b = bound01(b, 255);
+
+ var max = mathMax(r, g, b), min = mathMin(r, g, b);
+ var h, s, l = (max + min) / 2;
+
+ if(max == min) {
+ h = s = 0; // achromatic
+ }
+ else {
+ var d = max - min;
+ s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
+ switch(max) {
+ case r: h = (g - b) / d + (g < b ? 6 : 0); break;
+ case g: h = (b - r) / d + 2; break;
+ case b: h = (r - g) / d + 4; break;
+ }
+
+ h /= 6;
+ }
+
+ return { h: h, s: s, l: l };
+ }
+
+ // `hslToRgb`
+ // Converts an HSL color value to RGB.
+ // *Assumes:* h is contained in [0, 1] or [0, 360] and s and l are contained [0, 1] or [0, 100]
+ // *Returns:* { r, g, b } in the set [0, 255]
+ function hslToRgb(h, s, l) {
+ var r, g, b;
+
+ h = bound01(h, 360);
+ s = bound01(s, 100);
+ l = bound01(l, 100);
+
+ function hue2rgb(p, q, t) {
+ if(t < 0) t += 1;
+ if(t > 1) t -= 1;
+ if(t < 1/6) return p + (q - p) * 6 * t;
+ if(t < 1/2) return q;
+ if(t < 2/3) return p + (q - p) * (2/3 - t) * 6;
+ return p;
+ }
+
+ if(s === 0) {
+ r = g = b = l; // achromatic
+ }
+ else {
+ var q = l < 0.5 ? l * (1 + s) : l + s - l * s;
+ var p = 2 * l - q;
+ r = hue2rgb(p, q, h + 1/3);
+ g = hue2rgb(p, q, h);
+ b = hue2rgb(p, q, h - 1/3);
+ }
+
+ return { r: r * 255, g: g * 255, b: b * 255 };
+ }
+
+ // `rgbToHsv`
+ // Converts an RGB color value to HSV
+ // *Assumes:* r, g, and b are contained in the set [0, 255] or [0, 1]
+ // *Returns:* { h, s, v } in [0,1]
+ function rgbToHsv(r, g, b) {
+
+ r = bound01(r, 255);
+ g = bound01(g, 255);
+ b = bound01(b, 255);
+
+ var max = mathMax(r, g, b), min = mathMin(r, g, b);
+ var h, s, v = max;
+
+ var d = max - min;
+ s = max === 0 ? 0 : d / max;
+
+ if(max == min) {
+ h = 0; // achromatic
+ }
+ else {
+ switch(max) {
+ case r: h = (g - b) / d + (g < b ? 6 : 0); break;
+ case g: h = (b - r) / d + 2; break;
+ case b: h = (r - g) / d + 4; break;
+ }
+ h /= 6;
+ }
+ return { h: h, s: s, v: v };
+ }
+
+ // `hsvToRgb`
+ // Converts an HSV color value to RGB.
+ // *Assumes:* h is contained in [0, 1] or [0, 360] and s and v are contained in [0, 1] or [0, 100]
+ // *Returns:* { r, g, b } in the set [0, 255]
+ function hsvToRgb(h, s, v) {
+
+ h = bound01(h, 360) * 6;
+ s = bound01(s, 100);
+ v = bound01(v, 100);
+
+ var i = math.floor(h),
+ f = h - i,
+ p = v * (1 - s),
+ q = v * (1 - f * s),
+ t = v * (1 - (1 - f) * s),
+ mod = i % 6,
+ r = [v, q, p, p, t, v][mod],
+ g = [t, v, v, q, p, p][mod],
+ b = [p, p, t, v, v, q][mod];
+
+ return { r: r * 255, g: g * 255, b: b * 255 };
+ }
+
+ // `rgbToHex`
+ // Converts an RGB color to hex
+ // Assumes r, g, and b are contained in the set [0, 255]
+ // Returns a 3 or 6 character hex
+ function rgbToHex(r, g, b, allow3Char) {
+
+ var hex = [
+ pad2(mathRound(r).toString(16)),
+ pad2(mathRound(g).toString(16)),
+ pad2(mathRound(b).toString(16))
+ ];
+
+ // Return a 3 character hex if possible
+ if (allow3Char && hex[0].charAt(0) == hex[0].charAt(1) && hex[1].charAt(0) == hex[1].charAt(1) && hex[2].charAt(0) == hex[2].charAt(1)) {
+ return hex[0].charAt(0) + hex[1].charAt(0) + hex[2].charAt(0);
+ }
+
+ return hex.join("");
+ }
+
+ // `equals`
+ // Can be called with any tinycolor input
+ tinycolor.equals = function (color1, color2) {
+ if (!color1 || !color2) { return false; }
+ return tinycolor(color1).toRgbString() == tinycolor(color2).toRgbString();
+ };
+ tinycolor.random = function() {
+ return tinycolor.fromRatio({
+ r: mathRandom(),
+ g: mathRandom(),
+ b: mathRandom()
+ });
+ };
+
+
+ // Modification Functions
+ // ----------------------
+ // Thanks to less.js for some of the basics here
+ // <https://github.com/cloudhead/less.js/blob/master/lib/less/functions.js>
+
+ tinycolor.desaturate = function (color, amount) {
+ amount = (amount === 0) ? 0 : (amount || 10);
+ var hsl = tinycolor(color).toHsl();
+ hsl.s -= amount / 100;
+ hsl.s = clamp01(hsl.s);
+ return tinycolor(hsl);
+ };
+ tinycolor.saturate = function (color, amount) {
+ amount = (amount === 0) ? 0 : (amount || 10);
+ var hsl = tinycolor(color).toHsl();
+ hsl.s += amount / 100;
+ hsl.s = clamp01(hsl.s);
+ return tinycolor(hsl);
+ };
+ tinycolor.greyscale = function(color) {
+ return tinycolor.desaturate(color, 100);
+ };
+ tinycolor.lighten = function(color, amount) {
+ amount = (amount === 0) ? 0 : (amount || 10);
+ var hsl = tinycolor(color).toHsl();
+ hsl.l += amount / 100;
+ hsl.l = clamp01(hsl.l);
+ return tinycolor(hsl);
+ };
+ tinycolor.darken = function (color, amount) {
+ amount = (amount === 0) ? 0 : (amount || 10);
+ var hsl = tinycolor(color).toHsl();
+ hsl.l -= amount / 100;
+ hsl.l = clamp01(hsl.l);
+ return tinycolor(hsl);
+ };
+ tinycolor.complement = function(color) {
+ var hsl = tinycolor(color).toHsl();
+ hsl.h = (hsl.h + 180) % 360;
+ return tinycolor(hsl);
+ };
+
+
+ // Combination Functions
+ // ---------------------
+ // Thanks to jQuery xColor for some of the ideas behind these
+ // <https://github.com/infusion/jQuery-xcolor/blob/master/jquery.xcolor.js>
+
+ tinycolor.triad = function(color) {
+ var hsl = tinycolor(color).toHsl();
+ var h = hsl.h;
+ return [
+ tinycolor(color),
+ tinycolor({ h: (h + 120) % 360, s: hsl.s, l: hsl.l }),
+ tinycolor({ h: (h + 240) % 360, s: hsl.s, l: hsl.l })
+ ];
+ };
+ tinycolor.tetrad = function(color) {
+ var hsl = tinycolor(color).toHsl();
+ var h = hsl.h;
+ return [
+ tinycolor(color),
+ tinycolor({ h: (h + 90) % 360, s: hsl.s, l: hsl.l }),
+ tinycolor({ h: (h + 180) % 360, s: hsl.s, l: hsl.l }),
+ tinycolor({ h: (h + 270) % 360, s: hsl.s, l: hsl.l })
+ ];
+ };
+ tinycolor.splitcomplement = function(color) {
+ var hsl = tinycolor(color).toHsl();
+ var h = hsl.h;
+ return [
+ tinycolor(color),
+ tinycolor({ h: (h + 72) % 360, s: hsl.s, l: hsl.l}),
+ tinycolor({ h: (h + 216) % 360, s: hsl.s, l: hsl.l})
+ ];
+ };
+ tinycolor.analogous = function(color, results, slices) {
+ results = results || 6;
+ slices = slices || 30;
+
+ var hsl = tinycolor(color).toHsl();
+ var part = 360 / slices;
+ var ret = [tinycolor(color)];
+
+ for (hsl.h = ((hsl.h - (part * results >> 1)) + 720) % 360; --results; ) {
+ hsl.h = (hsl.h + part) % 360;
+ ret.push(tinycolor(hsl));
+ }
+ return ret;
+ };
+ tinycolor.monochromatic = function(color, results) {
+ results = results || 6;
+ var hsv = tinycolor(color).toHsv();
+ var h = hsv.h, s = hsv.s, v = hsv.v;
+ var ret = [];
+ var modification = 1 / results;
+
+ while (results--) {
+ ret.push(tinycolor({ h: h, s: s, v: v}));
+ v = (v + modification) % 1;
+ }
+
+ return ret;
+ };
+
+
+ // Readability Functions
+ // ---------------------
+ // <http://www.w3.org/TR/AERT#color-contrast>
+
+ // `readability`
+ // Analyze the 2 colors and returns an object with the following properties:
+ // `brightness`: difference in brightness between the two colors
+ // `color`: difference in color/hue between the two colors
+ tinycolor.readability = function(color1, color2) {
+ var a = tinycolor(color1).toRgb();
+ var b = tinycolor(color2).toRgb();
+ var brightnessA = (a.r * 299 + a.g * 587 + a.b * 114) / 1000;
+ var brightnessB = (b.r * 299 + b.g * 587 + b.b * 114) / 1000;
+ var colorDiff = (
+ Math.max(a.r, b.r) - Math.min(a.r, b.r) +
+ Math.max(a.g, b.g) - Math.min(a.g, b.g) +
+ Math.max(a.b, b.b) - Math.min(a.b, b.b)
+ );
+
+ return {
+ brightness: Math.abs(brightnessA - brightnessB),
+ color: colorDiff
+ };
+ };
+
+ // `readable`
+ // http://www.w3.org/TR/AERT#color-contrast
+ // Ensure that foreground and background color combinations provide sufficient contrast.
+ // *Example*
+ // tinycolor.readable("#000", "#111") => false
+ tinycolor.readable = function(color1, color2) {
+ var readability = tinycolor.readability(color1, color2);
+ return readability.brightness > 125 && readability.color > 500;
+ };
+
+ // `mostReadable`
+ // Given a base color and a list of possible foreground or background
+ // colors for that base, returns the most readable color.
+ // *Example*
+ // tinycolor.mostReadable("#123", ["#fff", "#000"]) => "#000"
+ tinycolor.mostReadable = function(baseColor, colorList) {
+ var bestColor = null;
+ var bestScore = 0;
+ var bestIsReadable = false;
+ for (var i=0; i < colorList.length; i++) {
+
+ // We normalize both around the "acceptable" breaking point,
+ // but rank brightness constrast higher than hue.
+
+ var readability = tinycolor.readability(baseColor, colorList[i]);
+ var readable = readability.brightness > 125 && readability.color > 500;
+ var score = 3 * (readability.brightness / 125) + (readability.color / 500);
+
+ if ((readable && ! bestIsReadable) ||
+ (readable && bestIsReadable && score > bestScore) ||
+ ((! readable) && (! bestIsReadable) && score > bestScore)) {
+ bestIsReadable = readable;
+ bestScore = score;
+ bestColor = tinycolor(colorList[i]);
+ }
+ }
+ return bestColor;
+ };
+
+
+ // Big List of Colors
+ // ------------------
+ // <http://www.w3.org/TR/css3-color/#svg-color>
+ var names = tinycolor.names = {
+ aliceblue: "f0f8ff",
+ antiquewhite: "faebd7",
+ aqua: "0ff",
+ aquamarine: "7fffd4",
+ azure: "f0ffff",
+ beige: "f5f5dc",
+ bisque: "ffe4c4",
+ black: "000",
+ blanchedalmond: "ffebcd",
+ blue: "00f",
+ blueviolet: "8a2be2",
+ brown: "a52a2a",
+ burlywood: "deb887",
+ burntsienna: "ea7e5d",
+ cadetblue: "5f9ea0",
+ chartreuse: "7fff00",
+ chocolate: "d2691e",
+ coral: "ff7f50",
+ cornflowerblue: "6495ed",
+ cornsilk: "fff8dc",
+ crimson: "dc143c",
+ cyan: "0ff",
+ darkblue: "00008b",
+ darkcyan: "008b8b",
+ darkgoldenrod: "b8860b",
+ darkgray: "a9a9a9",
+ darkgreen: "006400",
+ darkgrey: "a9a9a9",
+ darkkhaki: "bdb76b",
+ darkmagenta: "8b008b",
+ darkolivegreen: "556b2f",
+ darkorange: "ff8c00",
+ darkorchid: "9932cc",
+ darkred: "8b0000",
+ darksalmon: "e9967a",
+ darkseagreen: "8fbc8f",
+ darkslateblue: "483d8b",
+ darkslategray: "2f4f4f",
+ darkslategrey: "2f4f4f",
+ darkturquoise: "00ced1",
+ darkviolet: "9400d3",
+ deeppink: "ff1493",
+ deepskyblue: "00bfff",
+ dimgray: "696969",
+ dimgrey: "696969",
+ dodgerblue: "1e90ff",
+ firebrick: "b22222",
+ floralwhite: "fffaf0",
+ forestgreen: "228b22",
+ fuchsia: "f0f",
+ gainsboro: "dcdcdc",
+ ghostwhite: "f8f8ff",
+ gold: "ffd700",
+ goldenrod: "daa520",
+ gray: "808080",
+ green: "008000",
+ greenyellow: "adff2f",
+ grey: "808080",
+ honeydew: "f0fff0",
+ hotpink: "ff69b4",
+ indianred: "cd5c5c",
+ indigo: "4b0082",
+ ivory: "fffff0",
+ khaki: "f0e68c",
+ lavender: "e6e6fa",
+ lavenderblush: "fff0f5",
+ lawngreen: "7cfc00",
+ lemonchiffon: "fffacd",
+ lightblue: "add8e6",
+ lightcoral: "f08080",
+ lightcyan: "e0ffff",
+ lightgoldenrodyellow: "fafad2",
+ lightgray: "d3d3d3",
+ lightgreen: "90ee90",
+ lightgrey: "d3d3d3",
+ lightpink: "ffb6c1",
+ lightsalmon: "ffa07a",
+ lightseagreen: "20b2aa",
+ lightskyblue: "87cefa",
+ lightslategray: "789",
+ lightslategrey: "789",
+ lightsteelblue: "b0c4de",
+ lightyellow: "ffffe0",
+ lime: "0f0",
+ limegreen: "32cd32",
+ linen: "faf0e6",
+ magenta: "f0f",
+ maroon: "800000",
+ mediumaquamarine: "66cdaa",
+ mediumblue: "0000cd",
+ mediumorchid: "ba55d3",
+ mediumpurple: "9370db",
+ mediumseagreen: "3cb371",
+ mediumslateblue: "7b68ee",
+ mediumspringgreen: "00fa9a",
+ mediumturquoise: "48d1cc",
+ mediumvioletred: "c71585",
+ midnightblue: "191970",
+ mintcream: "f5fffa",
+ mistyrose: "ffe4e1",
+ moccasin: "ffe4b5",
+ navajowhite: "ffdead",
+ navy: "000080",
+ oldlace: "fdf5e6",
+ olive: "808000",
+ olivedrab: "6b8e23",
+ orange: "ffa500",
+ orangered: "ff4500",
+ orchid: "da70d6",
+ palegoldenrod: "eee8aa",
+ palegreen: "98fb98",
+ paleturquoise: "afeeee",
+ palevioletred: "db7093",
+ papayawhip: "ffefd5",
+ peachpuff: "ffdab9",
+ peru: "cd853f",
+ pink: "ffc0cb",
+ plum: "dda0dd",
+ powderblue: "b0e0e6",
+ purple: "800080",
+ red: "f00",
+ rosybrown: "bc8f8f",
+ royalblue: "4169e1",
+ saddlebrown: "8b4513",
+ salmon: "fa8072",
+ sandybrown: "f4a460",
+ seagreen: "2e8b57",
+ seashell: "fff5ee",
+ sienna: "a0522d",
+ silver: "c0c0c0",
+ skyblue: "87ceeb",
+ slateblue: "6a5acd",
+ slategray: "708090",
+ slategrey: "708090",
+ snow: "fffafa",
+ springgreen: "00ff7f",
+ steelblue: "4682b4",
+ tan: "d2b48c",
+ teal: "008080",
+ thistle: "d8bfd8",
+ tomato: "ff6347",
+ turquoise: "40e0d0",
+ violet: "ee82ee",
+ wheat: "f5deb3",
+ white: "fff",
+ whitesmoke: "f5f5f5",
+ yellow: "ff0",
+ yellowgreen: "9acd32"
+ };
+
+ // Make it easy to access colors via `hexNames[hex]`
+ var hexNames = tinycolor.hexNames = flip(names);
+
+
+ // Utilities
+ // ---------
+
+ // `{ 'name1': 'val1' }` becomes `{ 'val1': 'name1' }`
+ function flip(o) {
+ var flipped = { };
+ for (var i in o) {
+ if (o.hasOwnProperty(i)) {
+ flipped[o[i]] = i;
+ }
+ }
+ return flipped;
+ }
+
+ // Return a valid alpha value [0,1] with all invalid values being set to 1
+ function boundAlpha(a) {
+ a = parseFloat(a);
+
+ if (isNaN(a) || a < 0 || a > 1) {
+ a = 1;
+ }
+
+ return a;
+ }
+
+ // Take input from [0, n] and return it as [0, 1]
+ function bound01(n, max) {
+ if (isOnePointZero(n)) { n = "100%"; }
+
+ var processPercent = isPercentage(n);
+ n = mathMin(max, mathMax(0, parseFloat(n)));
+
+ // Automatically convert percentage into number
+ if (processPercent) {
+ n = parseInt(n * max, 10) / 100;
+ }
+
+ // Handle floating point rounding errors
+ if ((math.abs(n - max) < 0.000001)) {
+ return 1;
+ }
+
+ // Convert into [0, 1] range if it isn't already
+ return (n % max) / parseFloat(max);
+ }
+
+ // Force a number between 0 and 1
+ function clamp01(val) {
+ return mathMin(1, mathMax(0, val));
+ }
+
+ // Parse an integer into hex
+ function parseHex(val) {
+ return parseInt(val, 16);
+ }
+
+ // Need to handle 1.0 as 100%, since once it is a number, there is no difference between it and 1
+ // <http://stackoverflow.com/questions/7422072/javascript-how-to-detect-number-as-a-decimal-including-1-0>
+ function isOnePointZero(n) {
+ return typeof n == "string" && n.indexOf('.') != -1 && parseFloat(n) === 1;
+ }
+
+ // Check to see if string passed in is a percentage
+ function isPercentage(n) {
+ return typeof n === "string" && n.indexOf('%') != -1;
+ }
+
+ // Force a hex value to have 2 characters
+ function pad2(c) {
+ return c.length == 1 ? '0' + c : '' + c;
+ }
+
+ // Replace a decimal with it's percentage value
+ function convertToPercentage(n) {
+ if (n <= 1) {
+ n = (n * 100) + "%";
+ }
+
+ return n;
+ }
+
+ var matchers = (function() {
+
+ // <http://www.w3.org/TR/css3-values/#integers>
+ var CSS_INTEGER = "[-\\+]?\\d+%?";
+
+ // <http://www.w3.org/TR/css3-values/#number-value>
+ var CSS_NUMBER = "[-\\+]?\\d*\\.\\d+%?";
+
+ // Allow positive/negative integer/number. Don't capture the either/or, just the entire outcome.
+ var CSS_UNIT = "(?:" + CSS_NUMBER + ")|(?:" + CSS_INTEGER + ")";
+
+ // Actual matching.
+ // Parentheses and commas are optional, but not required.
+ // Whitespace can take the place of commas or opening paren
+ var PERMISSIVE_MATCH3 = "[\\s|\\(]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")\\s*\\)?";
+ var PERMISSIVE_MATCH4 = "[\\s|\\(]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")\\s*\\)?";
+
+ return {
+ rgb: new RegExp("rgb" + PERMISSIVE_MATCH3),
+ rgba: new RegExp("rgba" + PERMISSIVE_MATCH4),
+ hsl: new RegExp("hsl" + PERMISSIVE_MATCH3),
+ hsla: new RegExp("hsla" + PERMISSIVE_MATCH4),
+ hsv: new RegExp("hsv" + PERMISSIVE_MATCH3),
+ hex3: /^([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})$/,
+ hex6: /^([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/
+ };
+ })();
+
+ // `stringInputToObject`
+ // Permissive string parsing. Take in a number of formats, and output an object
+ // based on detected format. Returns `{ r, g, b }` or `{ h, s, l }` or `{ h, s, v}`
+ function stringInputToObject(color) {
+
+ color = color.replace(trimLeft,'').replace(trimRight, '').toLowerCase();
+ var named = false;
+ if (names[color]) {
+ color = names[color];
+ named = true;
+ }
+ else if (color == 'transparent') {
+ return { r: 0, g: 0, b: 0, a: 0, format: "name" };
+ }
+
+ // Try to match string input using regular expressions.
+ // Keep most of the number bounding out of this function - don't worry about [0,1] or [0,100] or [0,360]
+ // Just return an object and let the conversion functions handle that.
+ // This way the result will be the same whether the tinycolor is initialized with string or object.
+ var match;
+ if ((match = matchers.rgb.exec(color))) {
+ return { r: match[1], g: match[2], b: match[3] };
+ }
+ if ((match = matchers.rgba.exec(color))) {
+ return { r: match[1], g: match[2], b: match[3], a: match[4] };
+ }
+ if ((match = matchers.hsl.exec(color))) {
+ return { h: match[1], s: match[2], l: match[3] };
+ }
+ if ((match = matchers.hsla.exec(color))) {
+ return { h: match[1], s: match[2], l: match[3], a: match[4] };
+ }
+ if ((match = matchers.hsv.exec(color))) {
+ return { h: match[1], s: match[2], v: match[3] };
+ }
+ if ((match = matchers.hex6.exec(color))) {
+ return {
+ r: parseHex(match[1]),
+ g: parseHex(match[2]),
+ b: parseHex(match[3]),
+ format: named ? "name" : "hex"
+ };
+ }
+ if ((match = matchers.hex3.exec(color))) {
+ return {
+ r: parseHex(match[1] + '' + match[1]),
+ g: parseHex(match[2] + '' + match[2]),
+ b: parseHex(match[3] + '' + match[3]),
+ format: named ? "name" : "hex"
+ };
+ }
+
+ return false;
+ }
+
+ // Expose tinycolor to window, does not need to run in non-browser context.
+ window.tinycolor = tinycolor;
+
+ })();
+
+
+ $(function () {
+ if ($.fn.spectrum.load) {
+ $.fn.spectrum.processNativeColorInputs();
+ }
+ });
+
+})(window, jQuery);
projects / freeside.git / blobdiff