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[TWiki-Dev] [SVN] PeterThoeny r19857 - in twiki/branches/TWikiRelease05x00/ColorPickerContrib: lib/TWiki/Contrib pub/TWiki pub/TWiki/ColorPickerContrib
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From: <de...@de...> - 2010-11-16 07:08:53
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Author: PeterThoeny Date: 2010-11-16 01:08:45 -0600 (Tue, 16 Nov 2010) New Revision: 19857 Trac url: http://develop.twiki.org/trac/changeset/19857 Added: twiki/branches/TWikiRelease05x00/ColorPickerContrib/lib/TWiki/Contrib/ColorPickerContrib.pm twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/ twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/CHANGELOG.html twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/LICENSE.txt twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/README.html twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/demo1.html twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/demo2.html twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/farbtastic.css twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/farbtastic.js twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/marker.png twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/mask.png twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/wheel.png Log: Item6606: Rewrite of ColorPickerContrib - initial import of Farbtastic jQuery plugin, thanks Steven Wittens, http://acko.net/dev/farbtastic Added: twiki/branches/TWikiRelease05x00/ColorPickerContrib/lib/TWiki/Contrib/ColorPickerContrib.pm =================================================================== --- twiki/branches/TWikiRelease05x00/ColorPickerContrib/lib/TWiki/Contrib/ColorPickerContrib.pm (rev 0) +++ twiki/branches/TWikiRelease05x00/ColorPickerContrib/lib/TWiki/Contrib/ColorPickerContrib.pm 2010-11-16 07:08:45 UTC (rev 19857) @@ -0,0 +1,38 @@ +# Module of TWiki Enterprise Collaboration Platform, http://TWiki.org/ +# +# Copyright (C) 2010 Peter Thoeny, peter[at]thoeny.org +# Copyright (C) 2010 TWiki Contributors. All Rights Reserved. +# TWiki Contributors are listed in the AUTHORS file in the root of +# this distribution. NOTE: Please extend that file, not this notice. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. For +# more details read LICENSE in the root of this distribution. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +# +# As per the GPL, removal of this notice is prohibited. + +=begin twiki + +TBD + +=cut + +package TWiki::Contrib::ColorPickerContrib; + +use strict; + +require TWiki::Func; # The plugins API + +use vars qw( $VERSION $RELEASE $SHORTDESCRIPTION ); + +$VERSION = '$Rev$'; +$RELEASE = '2010-11-15'; +$SHORTDESCRIPTION = "Color picker, packaged for use by plugins, skins and add-ons"; + +1; Added: twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/CHANGELOG.html =================================================================== --- twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/CHANGELOG.html (rev 0) +++ twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/CHANGELOG.html 2010-11-16 07:08:45 UTC (rev 19857) @@ -0,0 +1,26 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" + "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> +<html> +<head><title>Farbtastic: Changelog</title></head> +<body> + <h1 class="title">Farbtastic: Changelog</h1> + + <h2>1.2 - 2007/01/08</h2> + <ul> + <li>Fixed bug with linking multiple fields with the same value.</li> + </ul> + <h2>1.1 - 2006/10/27</h2> + <ul> + <li>Work around for the transparent PNGs in Internet Explorer.</li> + <li>Better mouse handling code to accomodate CSS-based layouts better.</li> + </ul> + <h2>1.0 - 2006/07/14</h2> + <ul> + <li>Initial release.</li> + </ul> + + <p>More info on <a href="http://www.acko.net/dev/farbtastic">Acko.net</a>.</p> + <p>Created by <a href="http://www.acko.net/">Steven Wittens</a>.</p> + +</body> +</html> \ No newline at end of file Added: twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/LICENSE.txt =================================================================== --- twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/LICENSE.txt (rev 0) +++ twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/LICENSE.txt 2010-11-16 07:08:45 UTC (rev 19857) @@ -0,0 +1,341 @@ + + GNU GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1989, 1991 Free Software Foundation, Inc. + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. 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Added: twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/README.html =================================================================== --- twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/README.html (rev 0) +++ twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/README.html 2010-11-16 07:08:45 UTC (rev 19857) @@ -0,0 +1,71 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" + "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> +<html> +<head><title>Farbtastic: jQuery color picker plug-in</title></head> +<body> + <h1 class="title">Farbtastic: jQuery color picker plug-in</h1> + <div class="content"><p>Farbtastic is a <a href="http://www.jquery.com/">jQuery</a> plug-in that can add one or more color picker widgets into a page. Each widget is then linked to an existing element (e.g. a text field) and will update the element's value when a color is selected.</p> + +<p>Farbtastic uses layered transparent PNGs to render a saturation/luminance gradient inside of a hue circle. No Flash or pixel-sized divs are used.</p> + +<p>Farbtastic was written by <a href="http://www.acko.net/dev/farbtastic">Steven Wittens</a> and is licensed under the GPL.</p> + +<h2>Basic Usage</h2> +<ol> +<li>Include farbtastic.js and farbtastic.css in your HTML:<br /> +<div class="codeblock"><code><script type="text/javascript" src="farbtastic.js"></script><br /><link rel="stylesheet" href="farbtastic.css" type="text/css" /></code></div> +</li> +<li>Add a placeholder div and a text field to your HTML, and give each an ID:<br /> +<div class="codeblock"><code><form><input type="text" id="color" name="color" value="#123456" /></form><br /><div id="colorpicker"></div></code></div> +</li> +<li>Add a ready() handler to the document which initializes the color picker and link it to the text field with the following syntax:<br /> +<div class="codeblock"><code><script type="text/javascript"><br /> $(document).ready(function() {<br /> $('#colorpicker').farbtastic('#color');<br /> });<br /></script></code></div> +</li> +</ol> +<p>See demo1.html and demo2.html for an example (jquery.js is not included!).</p> +<h2>Styling</h2> +<p>The color picker is a block-level element and is 195x195 pixels large. You can control the position by styling your placeholder (e.g. floating it).</p> +<p>Note that the black/white gradients inside wheel.png and mask.png were generated programmatically and cannot be recreated easily in an image editing program.</p> +<h2>Advanced Usage</h2> +<h3>jQuery Method</h3> +<dl> +<dt>$(...).farbtastic()<br /> +$(...).farbtastic(callback)</dt> +<dd>This creates color pickers in the selected objects. <code>callback</code> is optional and can be a:</p> +<ul> +<li><em>DOM Node</em>, <em>jQuery object</em> or <em>jQuery selector</em>: the color picker will be linked to the selected element(s) by syncing the value (for form elements) and color (all elements).</li> +<li><em>Function</em>: this function will be called whenever the user chooses a different color.</dd> +</dl> +<h3>Object</h3> +<dl> +<dt>$.farbtastic(placeholder)<br /> +$.farbtastic(placeholder, callback)<br /> +</dt> +<dd>Invoking <code>$.farbtastic(placeholder)</code> is the same as using <code>$(placeholder).farbtastic()</code> except that the Farbtastic object is returned instead of the jQuery object. This allows you to use the Farbtastic methods and properties below.</p> +<p>Note that there is only one Farbtastic object per placeholder. If you call <code>$.farbtastic(placeholder)</code> twice <em>with the same placeholder</em>, you will get the same object back each time.</p> +<p>The optional <code>callback</code> argument behaves exactly as for the jQuery method.<br /> +</dd> +</dl> +</dd> +</dl> +<h3>Methods</h3> +<dl> +<dt>.linkTo(callback)</dt> +<dd>Allows you to set a new callback. Any existing callbacks are removed. See above for the meaning of <code>callback</code>.</dd> +<dt>.setColor(string)</dt> +<dd>Sets the picker color to the given color in hex representation.</dd> +<dt>.setColor([h, s, l])</dt> +<dd>Sets the picker color to the given color in normalized HSL (0..1 scale).</dd> +</dl> +<h3>Properties</h3> +<dl> +<dt>.linked</dt> +<dd>The elements (jQuery object) or callback function this picker is linked to.</dd> +<dt>.color</dt> +<dd>Current color in hex representation.</dd> +<dt>.hsl</dt> +<dd>Current color in normalized HSL.</dd> +</dl> +</div> +</body> +</html> \ No newline at end of file Added: twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/demo1.html =================================================================== --- twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/demo1.html (rev 0) +++ twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/demo1.html 2010-11-16 07:08:45 UTC (rev 19857) @@ -0,0 +1,28 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" + "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> +<html> +<head> + <title>Farbtastic</title> + <script type="text/javascript" src="jquery.js"></script> + <script type="text/javascript" src="farbtastic.js"></script> + <link rel="stylesheet" href="farbtastic.css" type="text/css" /> + <script type="text/javascript" charset="utf-8"> + $(document).ready(function() { + $('#demo').hide(); + $('#picker').farbtastic('#color'); + }); + </script> +</head> +<body> +<h1>jQuery Color Picker: Farbtastic</h1> + +<div id="demo" style="color: red; font-size: 1.4em">jQuery.js is not present. You must install jQuery in this folder for the demo to work.</div> + +<form action="" style="width: 400px;"> + <div class="form-item"><label for="color">Color:</label><input type="text" id="color" name="color" value="#123456" /></div><div id="picker"></div> +</form> + +<p>More info on <a href="http://www.acko.net/dev/farbtastic">Acko.net</a>.</p> +<p>Created by <a href="http://www.acko.net/">Steven Wittens</a>.</p> +</body> +</html> Added: twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/demo2.html =================================================================== --- twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/demo2.html (rev 0) +++ twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/demo2.html 2010-11-16 07:08:45 UTC (rev 19857) @@ -0,0 +1,57 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" + "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> +<html> +<head> + <title>Farbtastic</title> + <script type="text/javascript" src="jquery.js"></script> + <script type="text/javascript" src="farbtastic.js"></script> + <link rel="stylesheet" href="farbtastic.css" type="text/css" /> + <style type="text/css" media="screen"> + .colorwell { + border: 2px solid #fff; + width: 6em; + text-align: center; + cursor: pointer; + } + body .colorwell-selected { + border: 2px solid #000; + font-weight: bold; + } + </style> + + <script type="text/javascript" charset="utf-8"> + $(document).ready(function() { + $('#demo').hide(); + var f = $.farbtastic('#picker'); + var p = $('#picker').css('opacity', 0.25); + var selected; + $('.colorwell') + .each(function () { f.linkTo(this); $(this).css('opacity', 0.75); }) + .focus(function() { + if (selected) { + $(selected).css('opacity', 0.75).removeClass('colorwell-selected'); + } + f.linkTo(this); + p.css('opacity', 1); + $(selected = this).css('opacity', 1).addClass('colorwell-selected'); + }); + }); + </script> +</head> +<body> +<h1>jQuery Color Picker: Farbtastic</h1> + +<div id="demo" style="color: red; font-size: 1.4em">jQuery.js is not present. You must install jQuery in this folder for the demo to work.</div> + +<form action="" style="width: 500px;"> + <div id="picker" style="float: right;"></div> + <div class="form-item"><label for="color1">Color 1:</label><input type="text" id="color1" name="color1" class="colorwell" value="#123456" /></div> + <div class="form-item"><label for="color2">Color 2:</label><input type="text" id="color2" name="color2" class="colorwell" value="#123456" /></div> + <div class="form-item"><label for="color3">Color 3:</label><input type="text" id="color3" name="color3" class="colorwell" value="#123456" /></div> + +</form> + +<p>More info on <a href="http://www.acko.net/dev/farbtastic">Acko.net</a>.</p> +<p>Created by <a href="http://www.acko.net/">Steven Wittens</a>.</p> +</body> +</html> Added: twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/farbtastic.css =================================================================== --- twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/farbtastic.css (rev 0) +++ twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/farbtastic.css 2010-11-16 07:08:45 UTC (rev 19857) @@ -0,0 +1,51 @@ +/** + * Farbtastic Color Picker 1.2 + * © 2008 Steven Wittens + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ +.farbtastic { + position: relative; +} +.farbtastic * { + position: absolute; + cursor: crosshair; +} +.farbtastic, .farbtastic .wheel { + width: 195px; + height: 195px; +} +.farbtastic .color, .farbtastic .overlay { + top: 47px; + left: 47px; + width: 101px; + height: 101px; +} +.farbtastic .wheel { + background: url(wheel.png) no-repeat; + width: 195px; + height: 195px; +} +.farbtastic .overlay { + background: url(mask.png) no-repeat; +} +.farbtastic .marker { + width: 17px; + height: 17px; + margin: -8px 0 0 -8px; + overflow: hidden; + background: url(marker.png) no-repeat; +} + Added: twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/farbtastic.js =================================================================== --- twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/farbtastic.js (rev 0) +++ twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/farbtastic.js 2010-11-16 07:08:45 UTC (rev 19857) @@ -0,0 +1,345 @@ +/** + * Farbtastic Color Picker 1.2 + * © 2008 Steven Wittens + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +jQuery.fn.farbtastic = function (callback) { + $.farbtastic(this, callback); + return this; +}; + +jQuery.farbtastic = function (container, callback) { + var container = $(container).get(0); + return container.farbtastic || (container.farbtastic = new jQuery._farbtastic(container, callback)); +} + +jQuery._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).unbind('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.bind('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 x, y; + var el = event.target || event.srcElement; + var reference = fb.wheel; + + if (typeof event.offsetX != 'undefined') { + // Use offset coordinates and find common offsetParent + var pos = { x: event.offsetX, y: event.offsetY }; + + // Send the coordinates upwards through the offsetParent chain. + var e = el; + while (e) { + e.mouseX = pos.x; + e.mouseY = pos.y; + pos.x += e.offsetLeft; + pos.y += e.offsetTop; + e = e.offsetParent; + } + + // Look for the coordinates starting from the wheel widget. + var e = reference; + var offset = { x: 0, y: 0 } + while (e) { + if (typeof e.mouseX != 'undefined') { + x = e.mouseX - offset.x; + y = e.mouseY - offset.y; + break; + } + offset.x += e.offsetLeft; + offset.y += e.offsetTop; + e = e.offsetParent; + } + + // Reset stored coordinates + e = el; + while (e) { + e.mouseX = undefined; + e.mouseY = undefined; + e = e.offsetParent; + } + } + else { + // Use absolute coordinates + var pos = fb.absolutePosition(reference); + x = (event.pageX || 0*(event.clientX + $('html').get(0).scrollLeft)) - pos.x; + y = (event.pageY || 0*(event.clientY + $('html').get(0).scrollTop)) - pos.y; + } + // Subtract distance to middle + return { x: x - fb.width / 2, y: y - fb.width / 2 }; + } + + /** + * Mousedown handler + */ + fb.mousedown = function (event) { + // Capture mouse + if (!document.dragging) { + $(document).bind('mousemove', fb.mousemove).bind('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).unbind('mousemove', fb.mousemove); + $(document).unbind('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); + } + } + + /** + * Get absolute position of element + */ + fb.absolutePosition = function (el) { + var r = { x: el.offsetLeft, y: el.offsetTop }; + // Resolve relative to offsetParent + if (el.offsetParent) { + var tmp = fb.absolutePosition(el.offsetParent); + r.x += tmp.x; + r.y += tmp.y; + } + return r; + }; + + /* 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).mousedown(fb.mousedown); + + // Init color + fb.setColor('#000000'); + + // Set linked elements/callback + if (callback) { + fb.linkTo(callback); + } +} \ No newline at end of file Added: twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/marker.png =================================================================== (Binary files differ) Property changes on: twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/marker.png ___________________________________________________________________ Name: svn:executable + * Name: svn:mime-type + application/octet-stream Added: twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/mask.png =================================================================== (Binary files differ) Property changes on: twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/mask.png ___________________________________________________________________ Name: svn:mime-type + application/octet-stream Added: twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/wheel.png =================================================================== (Binary files differ) Property changes on: twiki/branches/TWikiRelease05x00/ColorPickerContrib/pub/TWiki/ColorPickerContrib/wheel.png ___________________________________________________________________ Name: svn:mime-type + application/octet-stream |