"
- ].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 += "";
- }
- }
-
- return [
- "
",
- "
",
- "",
- "
",
- "",
- "
",
- "
",
- "
",
- "
",
- "",
- "
",
- "
",
- "
",
- "
",
- "",
- "
",
- "
",
- "
",
- "
",
- "
",
- "
",
- "",
- gradientFix,
- "
",
- "
",
- "
",
- "
",
- "
",
- "",
- "
",
- "",
- "
",
- "",
- "",
- "
",
- "
",
- "
"
- ].join("");
- })();
-
- function paletteTemplate (p, color, className, opts) {
- 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 formattedString = tiny.toString(opts.preferredFormat || "rgb");
- var swatchStyle = rgbaSupport ? ("background-color:" + tiny.toRgbString()) : "filter:" + tiny.toFilter();
- html.push('');
- } else {
- var cls = 'sp-clear-display';
- html.push($('')
- .append($('')
- .attr('title', opts.noColorSelectedText)
- )
- .html()
- );
- }
- }
- return "
" + html.join('') + "
";
- }
-
- 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,
- isDragging = 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 = [],
- paletteArray = [],
- paletteLookup = {},
- 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),
- pickerContainer = container.find(".sp-picker-container"),
- 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"),
- toggleButton = container.find(".sp-palette-toggle"),
- isInput = boundElement.is("input"),
- isInputTypeColor = isInput && boundElement.attr("type") === "color" && inputTypeColorSupport(),
- shouldReplace = isInput && !flat,
- replacer = (shouldReplace) ? $(replaceInput).addClass(theme).addClass(opts.className).addClass(opts.replacerClassName) : $([]),
- offsetElement = (shouldReplace) ? replacer : boundElement,
- previewElement = replacer.find(".sp-preview-inner"),
- initialColor = opts.color || (isInput && boundElement.val()),
- colorOnShow = false,
- currentPreferredFormat = opts.preferredFormat,
- clickoutFiresChange = !opts.showButtons || opts.clickoutFiresChange,
- isEmpty = !initialColor,
- allowEmpty = opts.allowEmpty && !isInputTypeColor;
-
- function applyOptions() {
-
- if (opts.showPaletteOnly) {
- opts.showPalette = true;
- }
-
- toggleButton.text(opts.showPaletteOnly ? opts.togglePaletteMoreText : opts.togglePaletteLessText);
-
- if (opts.palette) {
- palette = opts.palette.slice(0);
- paletteArray = $.isArray(palette[0]) ? palette : [palette];
- paletteLookup = {};
- for (var i = 0; i < paletteArray.length; i++) {
- for (var j = 0; j < paletteArray[i].length; j++) {
- var rgb = tinycolor(paletteArray[i][j]).toRgbString();
- paletteLookup[rgb] = 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-buttons-disabled", !opts.togglePaletteOnly);
- 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).addClass(opts.containerClassName);
-
- 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 = $("body");
- }
-
- appendTo.append(container);
- }
-
- updateSelectionPaletteFromStorage();
-
- offsetElement.on("click.spectrum touchstart.spectrum", function (e) {
- if (!disabled) {
- toggle();
- }
-
- e.stopPropagation();
-
- if (!$(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.on("paste", function () {
- setTimeout(setFromTextInput, 1);
- });
- textInput.keydown(function (e) { if (e.keyCode == 13) { setFromTextInput(); } });
-
- cancelButton.text(opts.cancelText);
- cancelButton.on("click.spectrum", function (e) {
- e.stopPropagation();
- e.preventDefault();
- revert();
- hide();
- });
-
- clearButton.attr("title", opts.clearText);
- clearButton.on("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.on("click.spectrum", function (e) {
- e.stopPropagation();
- e.preventDefault();
-
- if (IE && textInput.is(":focus")) {
- textInput.trigger('change');
- }
-
- if (isValid()) {
- updateOriginalInput(true);
- hide();
- }
- });
-
- toggleButton.text(opts.showPaletteOnly ? opts.togglePaletteMoreText : opts.togglePaletteLessText);
- toggleButton.on("click.spectrum", function (e) {
- e.stopPropagation();
- e.preventDefault();
-
- opts.showPaletteOnly = !opts.showPaletteOnly;
-
- // To make sure the Picker area is drawn on the right, next to the
- // Palette area (and not below the palette), first move the Palette
- // to the left to make space for the picker, plus 5px extra.
- // The 'applyOptions' function puts the whole container back into place
- // and takes care of the button-text and the sp-palette-only CSS class.
- if (!opts.showPaletteOnly && !flat) {
- container.css('left', '-=' + (pickerContainer.outerWidth(true) + 5));
- }
- applyOptions();
- });
-
- draggable(alphaSlider, function (dragX, dragY, e) {
- currentAlpha = (dragX / alphaWidth);
- isEmpty = false;
- if (e.shiftKey) {
- currentAlpha = Math.round(currentAlpha * 10) / 10;
- }
-
- move();
- }, dragStart, dragStop);
-
- draggable(slider, function (dragX, dragY) {
- currentHue = parseFloat(dragY / slideHeight);
- isEmpty = false;
- if (!opts.showAlpha) {
- currentAlpha = 1;
- }
- 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;
- if (!opts.showAlpha) {
- currentAlpha = 1;
- }
-
- 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 = opts.preferredFormat || tinycolor(initialColor).format;
-
- addColorToSelectionPalette(initialColor);
- }
- else {
- updateUI();
- }
-
- if (flat) {
- show();
- }
-
- function paletteElementClick(e) {
- if (e.data && e.data.ignore) {
- set($(e.target).closest(".sp-thumb-el").data("color"));
- move();
- }
- else {
- set($(e.target).closest(".sp-thumb-el").data("color"));
- move();
-
- // If the picker is going to close immediately, a palette selection
- // is a change. Otherwise, it's a move only.
- if (opts.hideAfterPaletteSelect) {
- updateOriginalInput(true);
- hide();
- } else {
- updateOriginalInput();
- }
- }
-
- return false;
- }
-
- var paletteEvent = IE ? "mousedown.spectrum" : "click.spectrum touchstart.spectrum";
- paletteContainer.on(paletteEvent, ".sp-thumb-el", paletteElementClick);
- initialColorContainer.on(paletteEvent, ".sp-thumb-el:nth-child(1)", { ignore: true }, paletteElementClick);
- }
-
- function updateSelectionPaletteFromStorage() {
-
- 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) { }
- }
- }
-
- function addColorToSelectionPalette(color) {
- if (showSelectionPalette) {
- var rgb = tinycolor(color).toRgbString();
- if (!paletteLookup[rgb] && $.inArray(rgb, selectionPalette) === -1) {
- selectionPalette.push(rgb);
- while(selectionPalette.length > maxSelectionSize) {
- selectionPalette.shift();
- }
- }
-
- if (localStorageKey && window.localStorage) {
- try {
- window.localStorage[localStorageKey] = selectionPalette.join(";");
- }
- catch(e) { }
- }
- }
- }
-
- function getUniqueSelectionPalette() {
- var unique = [];
- if (opts.showPalette) {
- for (var i = 0; i < selectionPalette.length; i++) {
- var rgb = tinycolor(selectionPalette[i]).toRgbString();
-
- if (!paletteLookup[rgb]) {
- unique.push(selectionPalette[i]);
- }
- }
- }
-
- 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, opts);
- });
-
- updateSelectionPaletteFromStorage();
-
- if (selectionPalette) {
- html.push(paletteTemplate(getUniqueSelectionPalette(), currentColor, "sp-palette-row sp-palette-row-selection", opts));
- }
-
- 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", opts));
- }
- }
-
- function dragStart() {
- if (dragHeight <= 0 || dragWidth <= 0 || slideHeight <= 0) {
- reflow();
- }
- isDragging = true;
- container.addClass(draggingClass);
- shiftMovementDirection = null;
- boundElement.trigger('dragstart.spectrum', [ get() ]);
- }
-
- function dragStop() {
- isDragging = false;
- container.removeClass(draggingClass);
- boundElement.trigger('dragstop.spectrum', [ get() ]);
- }
-
- function setFromTextInput() {
-
- var value = textInput.val();
-
- if ((value === null || value === "") && allowEmpty) {
- set(null);
- move();
- updateOriginalInput();
- }
- else {
- var tiny = tinycolor(value);
- if (tiny.isValid()) {
- set(tiny);
- move();
- updateOriginalInput();
- }
- 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).on("keydown.spectrum", onkeydown);
- $(doc).on("click.spectrum", clickout);
- $(window).on("resize.spectrum", resize);
- replacer.addClass("sp-active");
- container.removeClass("sp-hidden");
-
- reflow();
- updateUI();
-
- colorOnShow = get();
-
- drawInitial();
- callbacks.show(colorOnShow);
- boundElement.trigger('show.spectrum', [ colorOnShow ]);
- }
-
- function onkeydown(e) {
- // Close on ESC
- if (e.keyCode === 27) {
- hide();
- }
- }
-
- function clickout(e) {
- // Return on right click.
- if (e.button == 2) { return; }
-
- // If a drag event was happening during the mouseup, don't hide
- // on click.
- if (isDragging) { return; }
-
- if (clickoutFiresChange) {
- updateOriginalInput(true);
- }
- else {
- revert();
- }
- hide();
- }
-
- function hide() {
- // Return if hiding is unnecessary
- if (!visible || flat) { return; }
- visible = false;
-
- $(doc).off("keydown.spectrum", onkeydown);
- $(doc).off("click.spectrum", clickout);
- $(window).off("resize.spectrum", resize);
-
- replacer.removeClass("sp-active");
- container.addClass("sp-hidden");
-
- callbacks.hide(get());
- boundElement.trigger('hide.spectrum', [ get() ]);
- }
-
- function revert() {
- set(colorOnShow, true);
- updateOriginalInput(true);
- }
-
- function set(color, ignoreFormatChange) {
- if (tinycolor.equals(color, get())) {
- // Update UI just in case a validation error needs
- // to be cleared.
- updateUI();
- return;
- }
-
- var newColor, newHsv;
- if (!color && allowEmpty) {
- isEmpty = true;
- } else {
- isEmpty = false;
- newColor = tinycolor(color);
- newHsv = newColor.toHsv();
-
- currentHue = (newHsv.h % 360) / 360;
- currentSaturation = newHsv.s;
- currentValue = newHsv.v;
- currentAlpha = newHsv.a;
- }
- updateUI();
-
- if (newColor && newColor.isValid() && !ignoreFormatChange) {
- currentPreferredFormat = opts.preferredFormat || newColor.getFormat();
- }
- }
-
- function get(opts) {
- opts = opts || { };
-
- if (allowEmpty && isEmpty) {
- return null;
- }
-
- return tinycolor.fromRatio({
- h: currentHue,
- s: currentSaturation,
- v: currentValue,
- a: Math.round(currentAlpha * 1000) / 1000
- }, { 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 && !(currentAlpha === 0 && format === "name")) {
- 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);
- // Use current syntax gradient on unprefixed property.
- alphaSliderInner.css("background",
- "linear-gradient(to right, " + realAlpha + ", " + realHex + ")");
- }
- }
-
- 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 + "px",
- "left": dragX + "px"
- });
-
- var alphaX = currentAlpha * alphaWidth;
- alphaSlideHelper.css({
- "left": (alphaX - (alphaSlideHelperWidth / 2)) + "px"
- });
-
- // Where to show the bar that displays your current selected hue
- var slideY = (currentHue) * slideHeight;
- slideHelper.css({
- "top": (slideY - slideHelperHeight) + "px"
- });
- }
- }
-
- 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);
- }
-
- if (fireCallback && hasChanged) {
- callbacks.change(color);
- boundElement.trigger('change', [ color ]);
- }
- }
-
- function reflow() {
- if (!visible) {
- return; // Calculations would be useless and wouldn't be reliable anyways
- }
- 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");
- if (opts.offset) {
- container.offset(opts.offset);
- } else {
- container.offset(getOffset(container, offsetElement));
- }
- }
-
- updateHelperLocations();
-
- if (opts.showPalette) {
- drawPalette();
- }
-
- boundElement.trigger('reflow.spectrum');
- }
-
- function destroy() {
- boundElement.show();
- offsetElement.off("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;
-
- if (optionName === "preferredFormat") {
- currentPreferredFormat = opts.preferredFormat;
- }
- 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");
- }
-
- function setOffset(coord) {
- opts.offset = coord;
- reflow();
- }
-
- initialize();
-
- var spect = {
- show: show,
- hide: hide,
- toggle: toggle,
- reflow: reflow,
- option: option,
- enable: enable,
- disable: disable,
- offset: setOffset,
- 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();
- var offsetLeft = offset.left;
- var offsetTop = offset.top;
-
- offsetTop += inputHeight;
-
- offsetLeft -=
- Math.min(offsetLeft, (offsetLeft + dpWidth > viewWidth && viewWidth > dpWidth) ?
- Math.abs(offsetLeft + dpWidth - viewWidth) : 0);
-
- offsetTop -=
- Math.min(offsetTop, ((offsetTop + dpHeight > viewHeight && viewHeight > dpHeight) ?
- Math.abs(dpHeight + inputHeight - extraY) : extraY));
-
- return {
- top: offsetTop,
- bottom: offset.bottom,
- left: offsetLeft,
- right: offset.right,
- width: offset.width,
- height: offset.height
- };
- }
-
- /**
- * 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 = 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 && doc.documentMode < 9 && !e.button) {
- return stop();
- }
-
- var t0 = e.originalEvent && e.originalEvent.touches && e.originalEvent.touches[0];
- var pageX = t0 && t0.pageX || e.pageX;
- var pageY = t0 && t0.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);
-
- if (!rightclick && !dragging) {
- if (onstart.apply(element, arguments) !== false) {
- dragging = true;
- maxHeight = $(element).height();
- maxWidth = $(element).width();
- offset = $(element).offset();
-
- $(doc).on(duringDragEvents);
- $(doc.body).addClass("sp-dragging");
-
- move(e);
-
- prevent(e);
- }
- }
- }
-
- function stop() {
- if (dragging) {
- $(doc).off(duringDragEvents);
- $(doc.body).removeClass("sp-dragging");
-
- // Wait a tick before notifying observers to allow the click event
- // to fire in Chrome.
- setTimeout(function() {
- onstop.apply(element, arguments);
- }, 0);
- }
- dragging = false;
- }
-
- $(element).on("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 inputTypeColorSupport() {
- return $.fn.spectrum.inputTypeColorSupport();
- }
-
- /**
- * 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 options = $.extend({}, $(this).data(), opts);
- var spect = spectrum(this, options);
- $(this).data(dataID, spect.id);
- });
- };
-
- $.fn.spectrum.load = true;
- $.fn.spectrum.loadOpts = {};
- $.fn.spectrum.draggable = draggable;
- $.fn.spectrum.defaults = defaultOpts;
- $.fn.spectrum.inputTypeColorSupport = function inputTypeColorSupport() {
- if (typeof inputTypeColorSupport._cachedResult === "undefined") {
- var colorInput = $("")[0]; // if color element is supported, value will default to not null
- inputTypeColorSupport._cachedResult = colorInput.type === "color" && colorInput.value !== "";
- }
- return inputTypeColorSupport._cachedResult;
- };
-
- $.spectrum = { };
- $.spectrum.localization = { };
- $.spectrum.palettes = { };
-
- $.fn.spectrum.processNativeColorInputs = function () {
- var colorInputs = $("input[type=color]");
- if (colorInputs.length && !inputTypeColorSupport()) {
- colorInputs.spectrum({
- preferredFormat: "hex6"
- });
- }
- };
-
- // TinyColor v1.1.2
- // https://github.com/bgrins/TinyColor
- // Brian Grinstead, MIT License
-
- (function() {
-
- var trimLeft = /^[\s,#]+/,
- trimRight = /\s+$/,
- tinyCounter = 0,
- math = Math,
- mathRound = math.round,
- mathMin = math.min,
- mathMax = math.max,
- mathRandom = math.random;
-
- var tinycolor = function(color, opts) {
-
- color = (color) ? color : '';
- opts = opts || { };
-
- // If input is already a tinycolor, return itself
- if (color instanceof tinycolor) {
- return color;
- }
- // If we are called as a function, call using new instead
- if (!(this instanceof tinycolor)) {
- return new tinycolor(color, opts);
- }
-
- var rgb = inputToRGB(color);
- this._originalInput = color;
- this._r = rgb.r;
- this._g = rgb.g;
- this._b = rgb.b;
- this._a = rgb.a;
- this._roundA = mathRound(1000 * this._a) / 1000;
- this._format = opts.format || rgb.format;
- this._gradientType = opts.gradientType;
-
- // 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 (this._r < 1) { this._r = mathRound(this._r); }
- if (this._g < 1) { this._g = mathRound(this._g); }
- if (this._b < 1) { this._b = mathRound(this._b); }
-
- this._ok = rgb.ok;
- this._tc_id = tinyCounter++;
- };
-
- tinycolor.prototype = {
- isDark: function() {
- return this.getBrightness() < 128;
- },
- isLight: function() {
- return !this.isDark();
- },
- isValid: function() {
- return this._ok;
- },
- getOriginalInput: function() {
- return this._originalInput;
- },
- getFormat: function() {
- return this._format;
- },
- getAlpha: function() {
- return this._a;
- },
- getBrightness: function() {
- var rgb = this.toRgb();
- return (rgb.r * 299 + rgb.g * 587 + rgb.b * 114) / 1000;
- },
- setAlpha: function(value) {
- this._a = boundAlpha(value);
- this._roundA = mathRound(1000 * this._a) / 1000;
- return this;
- },
- toHsv: function() {
- var hsv = rgbToHsv(this._r, this._g, this._b);
- return { h: hsv.h * 360, s: hsv.s, v: hsv.v, a: this._a };
- },
- toHsvString: function() {
- var hsv = rgbToHsv(this._r, this._g, this._b);
- var h = mathRound(hsv.h * 360), s = mathRound(hsv.s * 100), v = mathRound(hsv.v * 100);
- return (this._a == 1) ?
- "hsv(" + h + ", " + s + "%, " + v + "%)" :
- "hsva(" + h + ", " + s + "%, " + v + "%, "+ this._roundA + ")";
- },
- toHsl: function() {
- var hsl = rgbToHsl(this._r, this._g, this._b);
- return { h: hsl.h * 360, s: hsl.s, l: hsl.l, a: this._a };
- },
- toHslString: function() {
- var hsl = rgbToHsl(this._r, this._g, this._b);
- var h = mathRound(hsl.h * 360), s = mathRound(hsl.s * 100), l = mathRound(hsl.l * 100);
- return (this._a == 1) ?
- "hsl(" + h + ", " + s + "%, " + l + "%)" :
- "hsla(" + h + ", " + s + "%, " + l + "%, "+ this._roundA + ")";
- },
- toHex: function(allow3Char) {
- return rgbToHex(this._r, this._g, this._b, allow3Char);
- },
- toHexString: function(allow3Char) {
- return '#' + this.toHex(allow3Char);
- },
- toHex8: function() {
- return rgbaToHex(this._r, this._g, this._b, this._a);
- },
- toHex8String: function() {
- return '#' + this.toHex8();
- },
- toRgb: function() {
- return { r: mathRound(this._r), g: mathRound(this._g), b: mathRound(this._b), a: this._a };
- },
- toRgbString: function() {
- return (this._a == 1) ?
- "rgb(" + mathRound(this._r) + ", " + mathRound(this._g) + ", " + mathRound(this._b) + ")" :
- "rgba(" + mathRound(this._r) + ", " + mathRound(this._g) + ", " + mathRound(this._b) + ", " + this._roundA + ")";
- },
- toPercentageRgb: function() {
- return { r: mathRound(bound01(this._r, 255) * 100) + "%", g: mathRound(bound01(this._g, 255) * 100) + "%", b: mathRound(bound01(this._b, 255) * 100) + "%", a: this._a };
- },
- toPercentageRgbString: function() {
- return (this._a == 1) ?
- "rgb(" + mathRound(bound01(this._r, 255) * 100) + "%, " + mathRound(bound01(this._g, 255) * 100) + "%, " + mathRound(bound01(this._b, 255) * 100) + "%)" :
- "rgba(" + mathRound(bound01(this._r, 255) * 100) + "%, " + mathRound(bound01(this._g, 255) * 100) + "%, " + mathRound(bound01(this._b, 255) * 100) + "%, " + this._roundA + ")";
- },
- toName: function() {
- if (this._a === 0) {
- return "transparent";
- }
-
- if (this._a < 1) {
- return false;
- }
-
- return hexNames[rgbToHex(this._r, this._g, this._b, true)] || false;
- },
- toFilter: function(secondColor) {
- var hex8String = '#' + rgbaToHex(this._r, this._g, this._b, this._a);
- var secondHex8String = hex8String;
- var gradientType = this._gradientType ? "GradientType = 1, " : "";
-
- if (secondColor) {
- var s = tinycolor(secondColor);
- secondHex8String = s.toHex8String();
- }
-
- return "progid:DXImageTransform.Microsoft.gradient("+gradientType+"startColorstr="+hex8String+",endColorstr="+secondHex8String+")";
- },
- toString: function(format) {
- var formatSet = !!format;
- format = format || this._format;
-
- var formattedString = false;
- var hasAlpha = this._a < 1 && this._a >= 0;
- var needsAlphaFormat = !formatSet && hasAlpha && (format === "hex" || format === "hex6" || format === "hex3" || format === "name");
-
- if (needsAlphaFormat) {
- // Special case for "transparent", all other non-alpha formats
- // will return rgba when there is transparency.
- if (format === "name" && this._a === 0) {
- return this.toName();
- }
- return this.toRgbString();
- }
- 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 === "hex8") {
- formattedString = this.toHex8String();
- }
- if (format === "name") {
- formattedString = this.toName();
- }
- if (format === "hsl") {
- formattedString = this.toHslString();
- }
- if (format === "hsv") {
- formattedString = this.toHsvString();
- }
-
- return formattedString || this.toHexString();
- },
-
- _applyModification: function(fn, args) {
- var color = fn.apply(null, [this].concat([].slice.call(args)));
- this._r = color._r;
- this._g = color._g;
- this._b = color._b;
- this.setAlpha(color._a);
- return this;
- },
- lighten: function() {
- return this._applyModification(lighten, arguments);
- },
- brighten: function() {
- return this._applyModification(brighten, arguments);
- },
- darken: function() {
- return this._applyModification(darken, arguments);
- },
- desaturate: function() {
- return this._applyModification(desaturate, arguments);
- },
- saturate: function() {
- return this._applyModification(saturate, arguments);
- },
- greyscale: function() {
- return this._applyModification(greyscale, arguments);
- },
- spin: function() {
- return this._applyModification(spin, arguments);
- },
-
- _applyCombination: function(fn, args) {
- return fn.apply(null, [this].concat([].slice.call(args)));
- },
- analogous: function() {
- return this._applyCombination(analogous, arguments);
- },
- complement: function() {
- return this._applyCombination(complement, arguments);
- },
- monochromatic: function() {
- return this._applyCombination(monochromatic, arguments);
- },
- splitcomplement: function() {
- return this._applyCombination(splitcomplement, arguments);
- },
- triad: function() {
- return this._applyCombination(triad, arguments);
- },
- tetrad: function() {
- return this._applyCombination(tetrad, arguments);
- }
- };
-
- // 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"
- // "#ff000000" or "ff000000"
- // "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:
- //
-
- // `rgbToRgb`
- // Handle bounds / percentage checking to conform to CSS color spec
- //
- // *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("");
- }
- // `rgbaToHex`
- // Converts an RGBA color plus alpha transparency to hex
- // Assumes r, g, b and a are contained in the set [0, 255]
- // Returns an 8 character hex
- function rgbaToHex(r, g, b, a) {
-
- var hex = [
- pad2(convertDecimalToHex(a)),
- pad2(mathRound(r).toString(16)),
- pad2(mathRound(g).toString(16)),
- pad2(mathRound(b).toString(16))
- ];
-
- 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
- //
-
- function desaturate(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);
- }
-
- function saturate(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);
- }
-
- function greyscale(color) {
- return tinycolor(color).desaturate(100);
- }
-
- function lighten (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);
- }
-
- function brighten(color, amount) {
- amount = (amount === 0) ? 0 : (amount || 10);
- var rgb = tinycolor(color).toRgb();
- rgb.r = mathMax(0, mathMin(255, rgb.r - mathRound(255 * - (amount / 100))));
- rgb.g = mathMax(0, mathMin(255, rgb.g - mathRound(255 * - (amount / 100))));
- rgb.b = mathMax(0, mathMin(255, rgb.b - mathRound(255 * - (amount / 100))));
- return tinycolor(rgb);
- }
-
- function darken (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);
- }
-
- // Spin takes a positive or negative amount within [-360, 360] indicating the change of hue.
- // Values outside of this range will be wrapped into this range.
- function spin(color, amount) {
- var hsl = tinycolor(color).toHsl();
- var hue = (mathRound(hsl.h) + amount) % 360;
- hsl.h = hue < 0 ? 360 + hue : hue;
- return tinycolor(hsl);
- }
-
- // Combination Functions
- // ---------------------
- // Thanks to jQuery xColor for some of the ideas behind these
- //
-
- function complement(color) {
- var hsl = tinycolor(color).toHsl();
- hsl.h = (hsl.h + 180) % 360;
- return tinycolor(hsl);
- }
-
- function triad(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 })
- ];
- }
-
- function tetrad(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 })
- ];
- }
-
- function splitcomplement(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})
- ];
- }
-
- function analogous(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;
- }
-
- function monochromatic(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;
- }
-
- // Utility Functions
- // ---------------------
-
- tinycolor.mix = function(color1, color2, amount) {
- amount = (amount === 0) ? 0 : (amount || 50);
-
- var rgb1 = tinycolor(color1).toRgb();
- var rgb2 = tinycolor(color2).toRgb();
-
- var p = amount / 100;
- var w = p * 2 - 1;
- var a = rgb2.a - rgb1.a;
-
- var w1;
-
- if (w * a == -1) {
- w1 = w;
- } else {
- w1 = (w + a) / (1 + w * a);
- }
-
- w1 = (w1 + 1) / 2;
-
- var w2 = 1 - w1;
-
- var rgba = {
- r: rgb2.r * w1 + rgb1.r * w2,
- g: rgb2.g * w1 + rgb1.g * w2,
- b: rgb2.b * w1 + rgb1.b * w2,
- a: rgb2.a * p + rgb1.a * (1 - p)
- };
-
- return tinycolor(rgba);
- };
-
-
- // Readability Functions
- // ---------------------
- //
-
- // `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 c1 = tinycolor(color1);
- var c2 = tinycolor(color2);
- var rgb1 = c1.toRgb();
- var rgb2 = c2.toRgb();
- var brightnessA = c1.getBrightness();
- var brightnessB = c2.getBrightness();
- var colorDiff = (
- Math.max(rgb1.r, rgb2.r) - Math.min(rgb1.r, rgb2.r) +
- Math.max(rgb1.g, rgb2.g) - Math.min(rgb1.g, rgb2.g) +
- Math.max(rgb1.b, rgb2.b) - Math.min(rgb1.b, rgb2.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.isReadable("#000", "#111") => false
- tinycolor.isReadable = 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
- // ------------------
- //
- 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",
- rebeccapurple: "663399",
- 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 a base-16 hex value into a base-10 integer
- function parseIntFromHex(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
- //
- 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;
- }
-
- // Converts a decimal to a hex value
- function convertDecimalToHex(d) {
- return Math.round(parseFloat(d) * 255).toString(16);
- }
- // Converts a hex value to a decimal
- function convertHexToDecimal(h) {
- return (parseIntFromHex(h) / 255);
- }
-
- var matchers = (function() {
-
- //
- var CSS_INTEGER = "[-\\+]?\\d+%?";
-
- //
- 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),
- hsva: new RegExp("hsva" + PERMISSIVE_MATCH4),
- hex3: /^([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})$/,
- hex6: /^([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/,
- hex8: /^([0-9a-fA-F]{2})([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.hsva.exec(color))) {
- return { h: match[1], s: match[2], v: match[3], a: match[4] };
- }
- if ((match = matchers.hex8.exec(color))) {
- return {
- a: convertHexToDecimal(match[1]),
- r: parseIntFromHex(match[2]),
- g: parseIntFromHex(match[3]),
- b: parseIntFromHex(match[4]),
- format: named ? "name" : "hex8"
- };
- }
- if ((match = matchers.hex6.exec(color))) {
- return {
- r: parseIntFromHex(match[1]),
- g: parseIntFromHex(match[2]),
- b: parseIntFromHex(match[3]),
- format: named ? "name" : "hex"
- };
- }
- if ((match = matchers.hex3.exec(color))) {
- return {
- r: parseIntFromHex(match[1] + '' + match[1]),
- g: parseIntFromHex(match[2] + '' + match[2]),
- b: parseIntFromHex(match[3] + '' + match[3]),
- format: named ? "name" : "hex"
- };
- }
-
- return false;
- }
-
- window.tinycolor = tinycolor;
- })();
-
- $(function () {
- if ($.fn.spectrum.load) {
- $.fn.spectrum.processNativeColorInputs();
- }
- });
-
-});