/** * jscolor, JavaScript Color Picker * * @version 1.2.2 * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License * @author Honza Odvarko * @created 2008-06-15 * @updated 2009-02-03 * @link http://jscolor.com */ var jscolor = { dir : '', // location of jscolor directory (leave empty to autodetect) bindClass : 'color', // class name binding : true, // automatic binding via preloading : true, // use image preloading? install : function() { jscolor.addEvent(window, 'load', jscolor.init) }, init : function() { if(jscolor.binding) { jscolor.bind() } if(jscolor.preloading) { jscolor.preload() } }, getDir : function() { if(!jscolor.dir) { var detected = jscolor.detectDir() jscolor.dir = detected!=false ? detected : 'jscolor/' } return jscolor.dir }, detectDir : function() { var base = location.href var e = document.getElementsByTagName('base') for(var i=0; i vs[a] ? (-vp[a]+tp[a]+ts[a]/2 > vs[a]/2 && tp[a]+ts[a]-ps[a] >= 0 ? tp[a]+ts[a]-ps[a] : tp[a]) : tp[a], -vp[b]+tp[b]+ts[b]+ps[b]-l+l*c > vs[b] ? (-vp[b]+tp[b]+ts[b]/2 > vs[b]/2 && tp[b]+ts[b]-l-l*c >= 0 ? tp[b]+ts[b]-l-l*c : tp[b]+ts[b]-l+l*c) : (tp[b]+ts[b]-l+l*c >= 0 ? tp[b]+ts[b]-l+l*c : tp[b]+ts[b]-l-l*c) ] drawPicker(pp[a], pp[b]) } } this.importColor = function() { if(!valueElement) { this.exportColor() } else { if(!this.adjust) { if(!this.fromString(valueElement.value, leaveValue)) { styleElement.style.backgroundColor = styleElement.jscStyle.backgroundColor styleElement.style.color = styleElement.jscStyle.color this.exportColor(leaveValue | leaveStyle) } } else if(!this.required && /^\s*$/.test(valueElement.value)) { valueElement.value = '' styleElement.style.backgroundColor = styleElement.jscStyle.backgroundColor styleElement.style.color = styleElement.jscStyle.color this.exportColor(leaveValue | leaveStyle) } else if(this.fromString(valueElement.value)) { // OK } else { this.exportColor() } } } this.exportColor = function(flags) { if(!(flags & leaveValue) && valueElement) { var value = this.toString() if(this.caps) value = value.toUpperCase() if(this.hash) value = '#'+value valueElement.value = value } if(!(flags & leaveStyle) && styleElement) { styleElement.style.backgroundColor = '#'+this.toString() styleElement.style.color = 0.213 * this.rgb[0] + 0.715 * this.rgb[1] + 0.072 * this.rgb[2] < 0.5 ? '#FFF' : '#000' } if(!(flags & leavePad) && isPickerOwner()) { redrawPad() } if(!(flags & leaveSld) && isPickerOwner()) { redrawSld() } } this.fromHSV = function(h, s, v, flags) { // null = don't change h<0 && (h=0) || h>6 && (h=6) s<0 && (s=0) || s>1 && (s=1) v<0 && (v=0) || v>1 && (v=1) this.rgb = HSV_RGB( h==null ? this.hsv[0] : (this.hsv[0]=h), s==null ? this.hsv[1] : (this.hsv[1]=s), v==null ? this.hsv[2] : (this.hsv[2]=v) ) this.exportColor(flags) } this.fromRGB = function(r, g, b, flags) { // null = don't change r<0 && (r=0) || r>1 && (r=1) g<0 && (g=0) || g>1 && (g=1) b<0 && (b=0) || b>1 && (b=1) var hsv = RGB_HSV( r==null ? this.rgb[0] : (this.rgb[0]=r), g==null ? this.rgb[1] : (this.rgb[1]=g), b==null ? this.rgb[2] : (this.rgb[2]=b) ) if(hsv[0] != null) { this.hsv[0] = hsv[0] } if(hsv[2] != 0) { this.hsv[1] = hsv[1] } this.hsv[2] = hsv[2] this.exportColor(flags) } this.fromString = function(hex, flags) { var m = hex.match(/^\W*([0-9A-F]{3}([0-9A-F]{3})?)\W*$/i) if(!m) { return false } else { if(m[1].length == 6) { // 6-char notation this.fromRGB( parseInt(m[1].substr(0,2),16) / 255, parseInt(m[1].substr(2,2),16) / 255, parseInt(m[1].substr(4,2),16) / 255, flags ) } else { // 3-char notation this.fromRGB( parseInt(m[1].charAt(0)+m[1].charAt(0),16) / 255, parseInt(m[1].charAt(1)+m[1].charAt(1),16) / 255, parseInt(m[1].charAt(2)+m[1].charAt(2),16) / 255, flags ) } return true } } this.toString = function() { return ( (0x100 | Math.round(255*this.rgb[0])).toString(16).substr(1) + (0x100 | Math.round(255*this.rgb[1])).toString(16).substr(1) + (0x100 | Math.round(255*this.rgb[2])).toString(16).substr(1) ) } function RGB_HSV(r, g, b) { var n = Math.min(Math.min(r,g),b) var v = Math.max(Math.max(r,g),b) var m = v - n if(m == 0) return [ null, 0, v ] var h = r==n ? 3+(b-g)/m : (g==n ? 5+(r-b)/m : 1+(g-r)/m) return [ h==6?0:h, m/v, v ] } function HSV_RGB(h, s, v) { if(h == null) return [ v, v, v ] var i = Math.floor(h) var f = i%2 ? h-i : 1-(h-i) var m = v * (1 - s) var n = v * (1 - s*f) switch(i) { case 6: case 0: return [v,n,m] case 1: return [n,v,m] case 2: return [m,v,n] case 3: return [m,n,v] case 4: return [n,m,v] case 5: return [v,m,n] } } function removePicker() { delete jscolor.picker.owner document.getElementsByTagName('body')[0].removeChild(jscolor.picker.boxB) } function drawPicker(x, y) { if(!jscolor.picker) { jscolor.picker = { box : document.createElement('div'), boxB : document.createElement('div'), pad : document.createElement('div'), padB : document.createElement('div'), padM : document.createElement('div'), sld : document.createElement('div'), sldB : document.createElement('div'), sldM : document.createElement('div') } for(var i=0,segSize=4; i