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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 07:56:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 07:56:49 +0000 |
commit | a415c29efee45520ae252d2aa28f1083a521cd7b (patch) | |
tree | f4ade4b6668ecc0765de7e1424f7c1427ad433ff /wp-admin/js/farbtastic.js | |
parent | Initial commit. (diff) | |
download | wordpress-a415c29efee45520ae252d2aa28f1083a521cd7b.tar.xz wordpress-a415c29efee45520ae252d2aa28f1083a521cd7b.zip |
Adding upstream version 6.4.3+dfsg1.upstream/6.4.3+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'wp-admin/js/farbtastic.js')
-rw-r--r-- | wp-admin/js/farbtastic.js | 282 |
1 files changed, 282 insertions, 0 deletions
diff --git a/wp-admin/js/farbtastic.js b/wp-admin/js/farbtastic.js new file mode 100644 index 0000000..b445081 --- /dev/null +++ b/wp-admin/js/farbtastic.js @@ -0,0 +1,282 @@ +/*! + * Farbtastic: jQuery color picker plug-in v1.3u + * https://github.com/mattfarina/farbtastic + * + * Licensed under the GPL license: + * http://www.gnu.org/licenses/gpl.html + */ +/** + * Modified for WordPress: replaced deprecated jQuery methods. + * See https://core.trac.wordpress.org/ticket/57946. + */ + +(function($) { + +$.fn.farbtastic = function (options) { + $.farbtastic(this, options); + return this; +}; + +$.farbtastic = function (container, callback) { + var container = $(container).get(0); + return container.farbtastic || (container.farbtastic = new $._farbtastic(container, callback)); +}; + +$._farbtastic = function (container, callback) { + // Store farbtastic object + var fb = this; + + // Insert markup + $(container).html('<div class="farbtastic"><div class="color"></div><div class="wheel"></div><div class="overlay"></div><div class="h-marker marker"></div><div class="sl-marker marker"></div></div>'); + var e = $('.farbtastic', container); + fb.wheel = $('.wheel', container).get(0); + // Dimensions + fb.radius = 84; + fb.square = 100; + fb.width = 194; + + // Fix background PNGs in IE6 + if (navigator.appVersion.match(/MSIE [0-6]\./)) { + $('*', e).each(function () { + if (this.currentStyle.backgroundImage != 'none') { + var image = this.currentStyle.backgroundImage; + image = this.currentStyle.backgroundImage.substring(5, image.length - 2); + $(this).css({ + 'backgroundImage': 'none', + 'filter': "progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true, sizingMethod=crop, src='" + image + "')" + }); + } + }); + } + + /** + * Link to the given element(s) or callback. + */ + fb.linkTo = function (callback) { + // Unbind previous nodes + if (typeof fb.callback == 'object') { + $(fb.callback).off('keyup', fb.updateValue); + } + + // Reset color + fb.color = null; + + // Bind callback or elements + if (typeof callback == 'function') { + fb.callback = callback; + } + else if (typeof callback == 'object' || typeof callback == 'string') { + fb.callback = $(callback); + fb.callback.on('keyup', fb.updateValue); + if (fb.callback.get(0).value) { + fb.setColor(fb.callback.get(0).value); + } + } + return this; + }; + fb.updateValue = function (event) { + if (this.value && this.value != fb.color) { + fb.setColor(this.value); + } + }; + + /** + * Change color with HTML syntax #123456 + */ + fb.setColor = function (color) { + var unpack = fb.unpack(color); + if (fb.color != color && unpack) { + fb.color = color; + fb.rgb = unpack; + fb.hsl = fb.RGBToHSL(fb.rgb); + fb.updateDisplay(); + } + return this; + }; + + /** + * Change color with HSL triplet [0..1, 0..1, 0..1] + */ + fb.setHSL = function (hsl) { + fb.hsl = hsl; + fb.rgb = fb.HSLToRGB(hsl); + fb.color = fb.pack(fb.rgb); + fb.updateDisplay(); + return this; + }; + + ///////////////////////////////////////////////////// + + /** + * Retrieve the coordinates of the given event relative to the center + * of the widget. + */ + fb.widgetCoords = function (event) { + var offset = $(fb.wheel).offset(); + return { x: (event.pageX - offset.left) - fb.width / 2, y: (event.pageY - offset.top) - fb.width / 2 }; + }; + + /** + * Mousedown handler + */ + fb.mousedown = function (event) { + // Capture mouse + if (!document.dragging) { + $(document).on('mousemove', fb.mousemove).on('mouseup', fb.mouseup); + document.dragging = true; + } + + // Check which area is being dragged + var pos = fb.widgetCoords(event); + fb.circleDrag = Math.max(Math.abs(pos.x), Math.abs(pos.y)) * 2 > fb.square; + + // Process + fb.mousemove(event); + return false; + }; + + /** + * Mousemove handler + */ + fb.mousemove = function (event) { + // Get coordinates relative to color picker center + var pos = fb.widgetCoords(event); + + // Set new HSL parameters + if (fb.circleDrag) { + var hue = Math.atan2(pos.x, -pos.y) / 6.28; + if (hue < 0) hue += 1; + fb.setHSL([hue, fb.hsl[1], fb.hsl[2]]); + } + else { + var sat = Math.max(0, Math.min(1, -(pos.x / fb.square) + .5)); + var lum = Math.max(0, Math.min(1, -(pos.y / fb.square) + .5)); + fb.setHSL([fb.hsl[0], sat, lum]); + } + return false; + }; + + /** + * Mouseup handler + */ + fb.mouseup = function () { + // Uncapture mouse + $(document).off('mousemove', fb.mousemove); + $(document).off('mouseup', fb.mouseup); + document.dragging = false; + }; + + /** + * Update the markers and styles + */ + fb.updateDisplay = function () { + // Markers + var angle = fb.hsl[0] * 6.28; + $('.h-marker', e).css({ + left: Math.round(Math.sin(angle) * fb.radius + fb.width / 2) + 'px', + top: Math.round(-Math.cos(angle) * fb.radius + fb.width / 2) + 'px' + }); + + $('.sl-marker', e).css({ + left: Math.round(fb.square * (.5 - fb.hsl[1]) + fb.width / 2) + 'px', + top: Math.round(fb.square * (.5 - fb.hsl[2]) + fb.width / 2) + 'px' + }); + + // Saturation/Luminance gradient + $('.color', e).css('backgroundColor', fb.pack(fb.HSLToRGB([fb.hsl[0], 1, 0.5]))); + + // Linked elements or callback + if (typeof fb.callback == 'object') { + // Set background/foreground color + $(fb.callback).css({ + backgroundColor: fb.color, + color: fb.hsl[2] > 0.5 ? '#000' : '#fff' + }); + + // Change linked value + $(fb.callback).each(function() { + if (this.value && this.value != fb.color) { + this.value = fb.color; + } + }); + } + else if (typeof fb.callback == 'function') { + fb.callback.call(fb, fb.color); + } + }; + + /* Various color utility functions */ + fb.pack = function (rgb) { + var r = Math.round(rgb[0] * 255); + var g = Math.round(rgb[1] * 255); + var b = Math.round(rgb[2] * 255); + return '#' + (r < 16 ? '0' : '') + r.toString(16) + + (g < 16 ? '0' : '') + g.toString(16) + + (b < 16 ? '0' : '') + b.toString(16); + }; + + fb.unpack = function (color) { + if (color.length == 7) { + return [parseInt('0x' + color.substring(1, 3)) / 255, + parseInt('0x' + color.substring(3, 5)) / 255, + parseInt('0x' + color.substring(5, 7)) / 255]; + } + else if (color.length == 4) { + return [parseInt('0x' + color.substring(1, 2)) / 15, + parseInt('0x' + color.substring(2, 3)) / 15, + parseInt('0x' + color.substring(3, 4)) / 15]; + } + }; + + fb.HSLToRGB = function (hsl) { + var m1, m2, r, g, b; + var h = hsl[0], s = hsl[1], l = hsl[2]; + m2 = (l <= 0.5) ? l * (s + 1) : l + s - l*s; + m1 = l * 2 - m2; + return [this.hueToRGB(m1, m2, h+0.33333), + this.hueToRGB(m1, m2, h), + this.hueToRGB(m1, m2, h-0.33333)]; + }; + + fb.hueToRGB = function (m1, m2, h) { + h = (h < 0) ? h + 1 : ((h > 1) ? h - 1 : h); + if (h * 6 < 1) return m1 + (m2 - m1) * h * 6; + if (h * 2 < 1) return m2; + if (h * 3 < 2) return m1 + (m2 - m1) * (0.66666 - h) * 6; + return m1; + }; + + fb.RGBToHSL = function (rgb) { + var min, max, delta, h, s, l; + var r = rgb[0], g = rgb[1], b = rgb[2]; + min = Math.min(r, Math.min(g, b)); + max = Math.max(r, Math.max(g, b)); + delta = max - min; + l = (min + max) / 2; + s = 0; + if (l > 0 && l < 1) { + s = delta / (l < 0.5 ? (2 * l) : (2 - 2 * l)); + } + h = 0; + if (delta > 0) { + if (max == r && max != g) h += (g - b) / delta; + if (max == g && max != b) h += (2 + (b - r) / delta); + if (max == b && max != r) h += (4 + (r - g) / delta); + h /= 6; + } + return [h, s, l]; + }; + + // Install mousedown handler (the others are set on the document on-demand) + $('*', e).on('mousedown', fb.mousedown); + + // Init color + fb.setColor('#000000'); + + // Set linked elements/callback + if (callback) { + fb.linkTo(callback); + } +}; + +})(jQuery);
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