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1001 lines
28 KiB
JavaScript
1001 lines
28 KiB
JavaScript
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/**
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* jscolor, JavaScript Color Picker
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*
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* @version 1.4.1
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* @license GNU Lesser General Public License, http://www.gnu.org/copyleft/lesser.html
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* @author Jan Odvarko, http://odvarko.cz
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* @created 2008-06-15
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* @updated 2013-04-08
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* @link http://jscolor.com
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*/
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var jscolor = {
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dir : '', // location of jscolor directory (leave empty to autodetect)
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bindClass : 'color', // class name
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binding : true, // automatic binding via <input class="...">
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preloading : true, // use image preloading?
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install : function() {
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jscolor.addEvent(window, 'load', jscolor.init);
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},
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init : function() {
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if(jscolor.binding) {
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jscolor.bind();
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}
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if(jscolor.preloading) {
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jscolor.preload();
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}
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},
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getDir : function() {
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if(!jscolor.dir) {
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var detected = jscolor.detectDir();
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jscolor.dir = detected!==false ? detected : 'jscolor/';
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}
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return jscolor.dir;
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},
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getImageDir : function() {
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var path = jscolor.getDir();
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var split = path.split("/");
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return split.slice(0, split.length - 2).join("/") + "/images/";
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},
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detectDir : function() {
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var base = location.href;
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var e = document.getElementsByTagName('base');
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for(var i=0; i<e.length; i+=1) {
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if(e[i].href) { base = e[i].href; }
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}
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var e = document.getElementsByTagName('script');
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for(var i=0; i<e.length; i+=1) {
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if(e[i].src && /(^|\/)jscolor\.js([?#].*)?$/i.test(e[i].src)) {
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var src = new jscolor.URI(e[i].src);
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var srcAbs = src.toAbsolute(base);
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srcAbs.path = srcAbs.path.replace(/[^\/]+$/, ''); // remove filename
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srcAbs.query = null;
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srcAbs.fragment = null;
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return srcAbs.toString();
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}
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}
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return false;
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},
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bind : function() {
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var matchClass = new RegExp('(^|\\s)('+jscolor.bindClass+')\\s*(\\{[^}]*\\})?', 'i');
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var e = document.getElementsByTagName('input');
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for(var i=0; i<e.length; i+=1) {
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var m;
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if(!e[i].color && e[i].className && (m = e[i].className.match(matchClass))) {
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var prop = {};
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if(m[3]) {
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try {
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prop = (new Function ('return (' + m[3] + ')'))();
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} catch(eInvalidProp) {}
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}
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e[i].color = new jscolor.color(e[i], prop);
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}
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}
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},
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preload : function() {
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for(var fn in jscolor.imgRequire) {
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if(jscolor.imgRequire.hasOwnProperty(fn)) {
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jscolor.loadImage(fn);
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}
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}
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},
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images : {
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pad : [ 181, 101 ],
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sld : [ 16, 101 ],
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cross : [ 15, 15 ],
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arrow : [ 7, 11 ]
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},
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imgRequire : {},
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imgLoaded : {},
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requireImage : function(filename) {
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jscolor.imgRequire[filename] = true;
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},
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loadImage : function(filename) {
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if(!jscolor.imgLoaded[filename]) {
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jscolor.imgLoaded[filename] = new Image();
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jscolor.imgLoaded[filename].src = jscolor.getDir()+filename;
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}
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},
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fetchElement : function(mixed) {
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return typeof mixed === 'string' ? document.getElementById(mixed) : mixed;
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},
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addEvent : function(el, evnt, func) {
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if(el.addEventListener) {
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el.addEventListener(evnt, func, false);
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} else if(el.attachEvent) {
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el.attachEvent('on'+evnt, func);
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}
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},
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fireEvent : function(el, evnt) {
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if(!el) {
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return;
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}
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if(document.createEvent) {
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var ev = document.createEvent('HTMLEvents');
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ev.initEvent(evnt, true, true);
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el.dispatchEvent(ev);
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} else if(document.createEventObject) {
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var ev = document.createEventObject();
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el.fireEvent('on'+evnt, ev);
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} else if(el['on'+evnt]) { // alternatively use the traditional event model (IE5)
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el['on'+evnt]();
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}
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},
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getElementPos : function(e) {
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var e1=e, e2=e;
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var x=0, y=0;
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if(e1.offsetParent) {
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do {
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x += e1.offsetLeft;
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y += e1.offsetTop;
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} while(e1 = e1.offsetParent);
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}
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while((e2 = e2.parentNode) && e2.nodeName.toUpperCase() !== 'BODY') {
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x -= e2.scrollLeft;
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y -= e2.scrollTop;
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}
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return [x, y];
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},
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getElementSize : function(e) {
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return [e.offsetWidth, e.offsetHeight];
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},
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getRelMousePos : function(e) {
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var x = 0, y = 0;
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if (!e) { e = window.event; }
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if (typeof e.offsetX === 'number') {
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x = e.offsetX;
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y = e.offsetY;
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} else if (typeof e.layerX === 'number') {
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x = e.layerX;
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y = e.layerY;
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}
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return { x: x, y: y };
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},
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getViewPos : function() {
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if(typeof window.pageYOffset === 'number') {
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return [window.pageXOffset, window.pageYOffset];
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} else if(document.body && (document.body.scrollLeft || document.body.scrollTop)) {
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return [document.body.scrollLeft, document.body.scrollTop];
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} else if(document.documentElement && (document.documentElement.scrollLeft || document.documentElement.scrollTop)) {
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return [document.documentElement.scrollLeft, document.documentElement.scrollTop];
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} else {
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return [0, 0];
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}
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},
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getViewSize : function() {
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if(typeof window.innerWidth === 'number') {
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return [window.innerWidth, window.innerHeight];
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} else if(document.body && (document.body.clientWidth || document.body.clientHeight)) {
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return [document.body.clientWidth, document.body.clientHeight];
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} else if(document.documentElement && (document.documentElement.clientWidth || document.documentElement.clientHeight)) {
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return [document.documentElement.clientWidth, document.documentElement.clientHeight];
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} else {
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return [0, 0];
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}
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},
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URI : function(uri) { // See RFC3986
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this.scheme = null;
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this.authority = null;
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this.path = '';
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this.query = null;
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this.fragment = null;
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this.parse = function(uri) {
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var m = uri.match(/^(([A-Za-z][0-9A-Za-z+.-]*)(:))?((\/\/)([^\/?#]*))?([^?#]*)((\?)([^#]*))?((#)(.*))?/);
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this.scheme = m[3] ? m[2] : null;
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this.authority = m[5] ? m[6] : null;
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this.path = m[7];
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this.query = m[9] ? m[10] : null;
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this.fragment = m[12] ? m[13] : null;
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return this;
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};
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this.toString = function() {
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var result = '';
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if(this.scheme !== null) { result = result + this.scheme + ':'; }
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if(this.authority !== null) { result = result + '//' + this.authority; }
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if(this.path !== null) { result = result + this.path; }
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if(this.query !== null) { result = result + '?' + this.query; }
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if(this.fragment !== null) { result = result + '#' + this.fragment; }
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return result;
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};
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this.toAbsolute = function(base) {
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var base = new jscolor.URI(base);
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var r = this;
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var t = new jscolor.URI;
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if(base.scheme === null) { return false; }
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if(r.scheme !== null && r.scheme.toLowerCase() === base.scheme.toLowerCase()) {
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r.scheme = null;
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}
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if(r.scheme !== null) {
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t.scheme = r.scheme;
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t.authority = r.authority;
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t.path = removeDotSegments(r.path);
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t.query = r.query;
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} else {
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if(r.authority !== null) {
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t.authority = r.authority;
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t.path = removeDotSegments(r.path);
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t.query = r.query;
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} else {
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if(r.path === '') {
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t.path = base.path;
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if(r.query !== null) {
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t.query = r.query;
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} else {
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t.query = base.query;
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}
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} else {
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if(r.path.substr(0,1) === '/') {
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t.path = removeDotSegments(r.path);
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} else {
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if(base.authority !== null && base.path === '') {
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t.path = '/'+r.path;
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} else {
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t.path = base.path.replace(/[^\/]+$/,'')+r.path;
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}
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t.path = removeDotSegments(t.path);
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}
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t.query = r.query;
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}
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t.authority = base.authority;
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}
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t.scheme = base.scheme;
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}
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t.fragment = r.fragment;
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return t;
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};
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function removeDotSegments(path) {
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var out = '';
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while(path) {
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if(path.substr(0,3)==='../' || path.substr(0,2)==='./') {
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path = path.replace(/^\.+/,'').substr(1);
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} else if(path.substr(0,3)==='/./' || path==='/.') {
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path = '/'+path.substr(3);
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} else if(path.substr(0,4)==='/../' || path==='/..') {
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path = '/'+path.substr(4);
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out = out.replace(/\/?[^\/]*$/, '');
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} else if(path==='.' || path==='..') {
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path = '';
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} else {
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var rm = path.match(/^\/?[^\/]*/)[0];
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path = path.substr(rm.length);
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out = out + rm;
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}
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}
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return out;
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}
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if(uri) {
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this.parse(uri);
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}
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},
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//
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// Usage example:
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// var myColor = new jscolor.color(myInputElement)
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//
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color : function(target, prop) {
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this.required = true; // refuse empty values?
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this.adjust = true; // adjust value to uniform notation?
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this.hash = false; // prefix color with # symbol?
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this.caps = true; // uppercase?
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this.slider = true; // show the value/saturation slider?
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this.valueElement = target; // value holder
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this.styleElement = target; // where to reflect current color
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this.onImmediateChange = null; // onchange callback (can be either string or function)
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this.hsv = [0, 0, 1]; // read-only 0-6, 0-1, 0-1
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this.rgb = [1, 1, 1]; // read-only 0-1, 0-1, 0-1
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this.minH = 0; // read-only 0-6
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this.maxH = 6; // read-only 0-6
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this.minS = 0; // read-only 0-1
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this.maxS = 1; // read-only 0-1
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this.minV = 0; // read-only 0-1
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this.maxV = 1; // read-only 0-1
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this.pickerOnfocus = true; // display picker on focus?
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this.pickerMode = 'HSV'; // HSV | HVS
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this.pickerPosition = 'bottom'; // left | right | top | bottom
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this.pickerSmartPosition = true; // automatically adjust picker position when necessary
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this.pickerButtonHeight = 20; // px
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this.pickerClosable = false;
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this.pickerCloseText = 'Close';
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this.pickerButtonColor = 'ButtonText'; // px
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this.pickerFace = 10; // px
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this.pickerFaceColor = 'ThreeDFace'; // CSS color
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this.pickerBorder = 1; // px
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this.pickerBorderColor = 'ThreeDHighlight ThreeDShadow ThreeDShadow ThreeDHighlight'; // CSS color
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this.pickerInset = 1; // px
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this.pickerInsetColor = 'ThreeDShadow ThreeDHighlight ThreeDHighlight ThreeDShadow'; // CSS color
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this.pickerZIndex = 10000;
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for(var p in prop) {
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if(prop.hasOwnProperty(p)) {
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this[p] = prop[p];
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}
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}
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this.hidePicker = function() {
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if(isPickerOwner()) {
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removePicker();
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}
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};
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this.showPicker = function() {
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if(!isPickerOwner()) {
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var tp = jscolor.getElementPos(target); // target pos
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var ts = jscolor.getElementSize(target); // target size
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var vp = jscolor.getViewPos(); // view pos
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var vs = jscolor.getViewSize(); // view size
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var ps = getPickerDims(this); // picker size
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var a, b, c;
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switch(this.pickerPosition.toLowerCase()) {
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case 'left': a=1; b=0; c=-1; break;
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case 'right':a=1; b=0; c=1; break;
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case 'top': a=0; b=1; c=-1; break;
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default: a=0; b=1; c=1; break;
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}
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var l = (ts[b]+ps[b])/2;
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// picker pos
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if (!this.pickerSmartPosition) {
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var pp = [
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tp[a],
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tp[b]+ts[b]-l+l*c
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];
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} else {
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var pp = [
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-vp[a]+tp[a]+ps[a] > vs[a] ?
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(-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]) :
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tp[a],
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-vp[b]+tp[b]+ts[b]+ps[b]-l+l*c > vs[b] ?
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(-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) :
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(tp[b]+ts[b]-l+l*c >= 0 ? tp[b]+ts[b]-l+l*c : tp[b]+ts[b]-l-l*c)
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];
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}
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drawPicker(pp[a], pp[b]);
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}
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};
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this.importColor = function() {
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if(!valueElement) {
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this.exportColor();
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} else {
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if(!this.adjust) {
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if(!this.fromString(valueElement.value, leaveValue)) {
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styleElement.style.backgroundImage = styleElement.jscStyle.backgroundImage;
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styleElement.style.backgroundColor = styleElement.jscStyle.backgroundColor;
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styleElement.style.color = styleElement.jscStyle.color;
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this.exportColor(leaveValue | leaveStyle);
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||
|
}
|
||
|
} else if(!this.required && /^\s*$/.test(valueElement.value)) {
|
||
|
valueElement.value = '';
|
||
|
styleElement.style.backgroundImage = styleElement.jscStyle.backgroundImage;
|
||
|
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.backgroundImage = "none";
|
||
|
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
|
||
|
if(h !== null) { h = Math.max(0.0, this.minH, Math.min(6.0, this.maxH, h)); }
|
||
|
if(s !== null) { s = Math.max(0.0, this.minS, Math.min(1.0, this.maxS, s)); }
|
||
|
if(v !== null) { v = Math.max(0.0, this.minV, Math.min(1.0, this.maxV, v)); }
|
||
|
|
||
|
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
|
||
|
if(r !== null) { r = Math.max(0.0, Math.min(1.0, r)); }
|
||
|
if(g !== null) { g = Math.max(0.0, Math.min(1.0, g)); }
|
||
|
if(b !== null) { b = Math.max(0.0, Math.min(1.0, b)); }
|
||
|
|
||
|
var hsv = RGB_HSV(
|
||
|
r===null ? this.rgb[0] : r,
|
||
|
g===null ? this.rgb[1] : g,
|
||
|
b===null ? this.rgb[2] : b
|
||
|
);
|
||
|
if(hsv[0] !== null) {
|
||
|
this.hsv[0] = Math.max(0.0, this.minH, Math.min(6.0, this.maxH, hsv[0]));
|
||
|
}
|
||
|
if(hsv[2] !== 0) {
|
||
|
this.hsv[1] = hsv[1]===null ? null : Math.max(0.0, this.minS, Math.min(1.0, this.maxS, hsv[1]));
|
||
|
}
|
||
|
this.hsv[2] = hsv[2]===null ? null : Math.max(0.0, this.minV, Math.min(1.0, this.maxV, hsv[2]));
|
||
|
|
||
|
// update RGB according to final HSV, as some values might be trimmed
|
||
|
var rgb = HSV_RGB(this.hsv[0], this.hsv[1], this.hsv[2]);
|
||
|
this.rgb[0] = rgb[0];
|
||
|
this.rgb[1] = rgb[1];
|
||
|
this.rgb[2] = rgb[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'),
|
||
|
btn : document.createElement('div'),
|
||
|
btnS : document.createElement('span'),
|
||
|
btnT : document.createTextNode(THIS.pickerCloseText)
|
||
|
};
|
||
|
for(var i=0,segSize=4; i<jscolor.images.sld[1]; i+=segSize) {
|
||
|
var seg = document.createElement('div');
|
||
|
seg.style.height = segSize+'px';
|
||
|
seg.style.fontSize = '1px';
|
||
|
seg.style.lineHeight = '0';
|
||
|
jscolor.picker.sld.appendChild(seg);
|
||
|
}
|
||
|
jscolor.picker.sldB.appendChild(jscolor.picker.sld);
|
||
|
jscolor.picker.box.appendChild(jscolor.picker.sldB);
|
||
|
jscolor.picker.box.appendChild(jscolor.picker.sldM);
|
||
|
jscolor.picker.padB.appendChild(jscolor.picker.pad);
|
||
|
jscolor.picker.box.appendChild(jscolor.picker.padB);
|
||
|
jscolor.picker.box.appendChild(jscolor.picker.padM);
|
||
|
jscolor.picker.btnS.appendChild(jscolor.picker.btnT);
|
||
|
jscolor.picker.btn.appendChild(jscolor.picker.btnS);
|
||
|
jscolor.picker.box.appendChild(jscolor.picker.btn);
|
||
|
jscolor.picker.boxB.appendChild(jscolor.picker.box);
|
||
|
}
|
||
|
|
||
|
var p = jscolor.picker;
|
||
|
|
||
|
// controls interaction
|
||
|
p.box.onmouseup =
|
||
|
p.box.onmouseout = function() { target.focus(); };
|
||
|
p.box.onmousedown = function() { abortBlur=true; };
|
||
|
p.box.onmousemove = function(e) {
|
||
|
if (holdPad || holdSld) {
|
||
|
holdPad && setPad(e);
|
||
|
holdSld && setSld(e);
|
||
|
if (document.selection) {
|
||
|
document.selection.empty();
|
||
|
} else if (window.getSelection) {
|
||
|
window.getSelection().removeAllRanges();
|
||
|
}
|
||
|
dispatchImmediateChange();
|
||
|
}
|
||
|
};
|
||
|
if('ontouchstart' in window) { // if touch device
|
||
|
p.box.addEventListener('touchmove', function(e) {
|
||
|
var event={
|
||
|
'offsetX': e.touches[0].pageX-touchOffset.X,
|
||
|
'offsetY': e.touches[0].pageY-touchOffset.Y
|
||
|
};
|
||
|
if (holdPad || holdSld) {
|
||
|
holdPad && setPad(event);
|
||
|
holdSld && setSld(event);
|
||
|
dispatchImmediateChange();
|
||
|
}
|
||
|
e.stopPropagation(); // prevent move "view" on broswer
|
||
|
e.preventDefault(); // prevent Default - Android Fix (else android generated only 1-2 touchmove events)
|
||
|
}, false);
|
||
|
}
|
||
|
p.padM.onmouseup =
|
||
|
p.padM.onmouseout = function() { if(holdPad) { holdPad=false; jscolor.fireEvent(valueElement,'change'); } };
|
||
|
p.padM.onmousedown = function(e) {
|
||
|
// if the slider is at the bottom, move it up
|
||
|
switch(modeID) {
|
||
|
case 0: if (THIS.hsv[2] === 0) { THIS.fromHSV(null, null, 1.0); }; break;
|
||
|
case 1: if (THIS.hsv[1] === 0) { THIS.fromHSV(null, 1.0, null); }; break;
|
||
|
}
|
||
|
holdSld=false;
|
||
|
holdPad=true;
|
||
|
setPad(e);
|
||
|
dispatchImmediateChange();
|
||
|
};
|
||
|
if('ontouchstart' in window) {
|
||
|
p.padM.addEventListener('touchstart', function(e) {
|
||
|
touchOffset={
|
||
|
'X': e.target.offsetParent.offsetLeft,
|
||
|
'Y': e.target.offsetParent.offsetTop
|
||
|
};
|
||
|
this.onmousedown({
|
||
|
'offsetX':e.touches[0].pageX-touchOffset.X,
|
||
|
'offsetY':e.touches[0].pageY-touchOffset.Y
|
||
|
});
|
||
|
});
|
||
|
}
|
||
|
p.sldM.onmouseup =
|
||
|
p.sldM.onmouseout = function() { if(holdSld) { holdSld=false; jscolor.fireEvent(valueElement,'change'); } };
|
||
|
p.sldM.onmousedown = function(e) {
|
||
|
holdPad=false;
|
||
|
holdSld=true;
|
||
|
setSld(e);
|
||
|
dispatchImmediateChange();
|
||
|
};
|
||
|
if('ontouchstart' in window) {
|
||
|
p.sldM.addEventListener('touchstart', function(e) {
|
||
|
touchOffset={
|
||
|
'X': e.target.offsetParent.offsetLeft,
|
||
|
'Y': e.target.offsetParent.offsetTop
|
||
|
};
|
||
|
this.onmousedown({
|
||
|
'offsetX':e.touches[0].pageX-touchOffset.X,
|
||
|
'offsetY':e.touches[0].pageY-touchOffset.Y
|
||
|
});
|
||
|
});
|
||
|
}
|
||
|
|
||
|
// picker
|
||
|
var dims = getPickerDims(THIS);
|
||
|
p.box.style.width = dims[0] + 'px';
|
||
|
p.box.style.height = dims[1] + 'px';
|
||
|
|
||
|
// picker border
|
||
|
p.boxB.style.position = 'absolute';
|
||
|
p.boxB.style.clear = 'both';
|
||
|
p.boxB.style.left = x+'px';
|
||
|
p.boxB.style.top = y+'px';
|
||
|
p.boxB.style.zIndex = THIS.pickerZIndex;
|
||
|
p.boxB.style.border = THIS.pickerBorder+'px solid';
|
||
|
p.boxB.style.borderColor = THIS.pickerBorderColor;
|
||
|
p.boxB.style.background = THIS.pickerFaceColor;
|
||
|
|
||
|
// pad image
|
||
|
p.pad.style.width = jscolor.images.pad[0]+'px';
|
||
|
p.pad.style.height = jscolor.images.pad[1]+'px';
|
||
|
|
||
|
// pad border
|
||
|
p.padB.style.position = 'absolute';
|
||
|
p.padB.style.left = THIS.pickerFace+'px';
|
||
|
p.padB.style.top = THIS.pickerFace+'px';
|
||
|
p.padB.style.border = THIS.pickerInset+'px solid';
|
||
|
p.padB.style.borderColor = THIS.pickerInsetColor;
|
||
|
|
||
|
// pad mouse area
|
||
|
p.padM.style.position = 'absolute';
|
||
|
p.padM.style.left = '0';
|
||
|
p.padM.style.top = '0';
|
||
|
p.padM.style.width = THIS.pickerFace + 2*THIS.pickerInset + jscolor.images.pad[0] + jscolor.images.arrow[0] + 'px';
|
||
|
p.padM.style.height = p.box.style.height;
|
||
|
p.padM.style.cursor = 'crosshair';
|
||
|
|
||
|
// slider image
|
||
|
p.sld.style.overflow = 'hidden';
|
||
|
p.sld.style.width = jscolor.images.sld[0]+'px';
|
||
|
p.sld.style.height = jscolor.images.sld[1]+'px';
|
||
|
|
||
|
// slider border
|
||
|
p.sldB.style.display = THIS.slider ? 'block' : 'none';
|
||
|
p.sldB.style.position = 'absolute';
|
||
|
p.sldB.style.right = THIS.pickerFace+'px';
|
||
|
p.sldB.style.top = THIS.pickerFace+'px';
|
||
|
p.sldB.style.border = THIS.pickerInset+'px solid';
|
||
|
p.sldB.style.borderColor = THIS.pickerInsetColor;
|
||
|
|
||
|
// slider mouse area
|
||
|
p.sldM.style.display = THIS.slider ? 'block' : 'none';
|
||
|
p.sldM.style.position = 'absolute';
|
||
|
p.sldM.style.right = '0';
|
||
|
p.sldM.style.top = '0';
|
||
|
p.sldM.style.width = jscolor.images.sld[0] + jscolor.images.arrow[0] + THIS.pickerFace + 2*THIS.pickerInset + 'px';
|
||
|
p.sldM.style.height = p.box.style.height;
|
||
|
try {
|
||
|
p.sldM.style.cursor = 'pointer';
|
||
|
} catch(eOldIE) {
|
||
|
p.sldM.style.cursor = 'hand';
|
||
|
}
|
||
|
|
||
|
// "close" button
|
||
|
function setBtnBorder() {
|
||
|
var insetColors = THIS.pickerInsetColor.split(/\s+/);
|
||
|
var pickerOutsetColor = insetColors.length < 2 ? insetColors[0] : insetColors[1] + ' ' + insetColors[0] + ' ' + insetColors[0] + ' ' + insetColors[1];
|
||
|
p.btn.style.borderColor = pickerOutsetColor;
|
||
|
}
|
||
|
p.btn.style.display = THIS.pickerClosable ? 'block' : 'none';
|
||
|
p.btn.style.position = 'absolute';
|
||
|
p.btn.style.left = THIS.pickerFace + 'px';
|
||
|
p.btn.style.bottom = THIS.pickerFace + 'px';
|
||
|
p.btn.style.padding = '0 15px';
|
||
|
p.btn.style.height = '18px';
|
||
|
p.btn.style.border = THIS.pickerInset + 'px solid';
|
||
|
setBtnBorder();
|
||
|
p.btn.style.color = THIS.pickerButtonColor;
|
||
|
p.btn.style.font = '12px sans-serif';
|
||
|
p.btn.style.textAlign = 'center';
|
||
|
try {
|
||
|
p.btn.style.cursor = 'pointer';
|
||
|
} catch(eOldIE) {
|
||
|
p.btn.style.cursor = 'hand';
|
||
|
}
|
||
|
p.btn.onmousedown = function () {
|
||
|
THIS.hidePicker();
|
||
|
};
|
||
|
p.btnS.style.lineHeight = p.btn.style.height;
|
||
|
|
||
|
// load images in optimal order
|
||
|
switch(modeID) {
|
||
|
case 0: var padImg = 'hs.png'; break;
|
||
|
case 1: var padImg = 'hv.png'; break;
|
||
|
}
|
||
|
p.padM.style.backgroundImage = "url('"+jscolor.getImageDir()+"cross.gif')";
|
||
|
p.padM.style.backgroundRepeat = "no-repeat";
|
||
|
p.sldM.style.backgroundImage = "url('"+jscolor.getImageDir()+"arrow.gif')";
|
||
|
p.sldM.style.backgroundRepeat = "no-repeat";
|
||
|
p.pad.style.backgroundImage = "url('"+jscolor.getImageDir()+padImg+"')";
|
||
|
p.pad.style.backgroundRepeat = "no-repeat";
|
||
|
p.pad.style.backgroundPosition = "0 0";
|
||
|
|
||
|
// place pointers
|
||
|
redrawPad();
|
||
|
redrawSld();
|
||
|
|
||
|
jscolor.picker.owner = THIS;
|
||
|
document.getElementsByTagName('body')[0].appendChild(p.boxB);
|
||
|
}
|
||
|
|
||
|
|
||
|
function getPickerDims(o) {
|
||
|
var dims = [
|
||
|
2*o.pickerInset + 2*o.pickerFace + jscolor.images.pad[0] +
|
||
|
(o.slider ? 2*o.pickerInset + 2*jscolor.images.arrow[0] + jscolor.images.sld[0] : 0),
|
||
|
o.pickerClosable ?
|
||
|
4*o.pickerInset + 3*o.pickerFace + jscolor.images.pad[1] + o.pickerButtonHeight :
|
||
|
2*o.pickerInset + 2*o.pickerFace + jscolor.images.pad[1]
|
||
|
];
|
||
|
return dims;
|
||
|
}
|
||
|
|
||
|
|
||
|
function redrawPad() {
|
||
|
// redraw the pad pointer
|
||
|
switch(modeID) {
|
||
|
case 0: var yComponent = 1; break;
|
||
|
case 1: var yComponent = 2; break;
|
||
|
}
|
||
|
var x = Math.round((THIS.hsv[0]/6) * (jscolor.images.pad[0]-1));
|
||
|
var y = Math.round((1-THIS.hsv[yComponent]) * (jscolor.images.pad[1]-1));
|
||
|
jscolor.picker.padM.style.backgroundPosition =
|
||
|
(THIS.pickerFace+THIS.pickerInset+x - Math.floor(jscolor.images.cross[0]/2)) + 'px ' +
|
||
|
(THIS.pickerFace+THIS.pickerInset+y - Math.floor(jscolor.images.cross[1]/2)) + 'px';
|
||
|
|
||
|
// redraw the slider image
|
||
|
var seg = jscolor.picker.sld.childNodes;
|
||
|
|
||
|
switch(modeID) {
|
||
|
case 0:
|
||
|
var rgb = HSV_RGB(THIS.hsv[0], THIS.hsv[1], 1);
|
||
|
for(var i=0; i<seg.length; i+=1) {
|
||
|
seg[i].style.backgroundColor = 'rgb('+
|
||
|
(rgb[0]*(1-i/seg.length)*100)+'%,'+
|
||
|
(rgb[1]*(1-i/seg.length)*100)+'%,'+
|
||
|
(rgb[2]*(1-i/seg.length)*100)+'%)';
|
||
|
}
|
||
|
break;
|
||
|
case 1:
|
||
|
var rgb, s, c = [ THIS.hsv[2], 0, 0 ];
|
||
|
var i = Math.floor(THIS.hsv[0]);
|
||
|
var f = i%2 ? THIS.hsv[0]-i : 1-(THIS.hsv[0]-i);
|
||
|
switch(i) {
|
||
|
case 6:
|
||
|
case 0: rgb=[0,1,2]; break;
|
||
|
case 1: rgb=[1,0,2]; break;
|
||
|
case 2: rgb=[2,0,1]; break;
|
||
|
case 3: rgb=[2,1,0]; break;
|
||
|
case 4: rgb=[1,2,0]; break;
|
||
|
case 5: rgb=[0,2,1]; break;
|
||
|
}
|
||
|
for(var i=0; i<seg.length; i+=1) {
|
||
|
s = 1 - 1/(seg.length-1)*i;
|
||
|
c[1] = c[0] * (1 - s*f);
|
||
|
c[2] = c[0] * (1 - s);
|
||
|
seg[i].style.backgroundColor = 'rgb('+
|
||
|
(c[rgb[0]]*100)+'%,'+
|
||
|
(c[rgb[1]]*100)+'%,'+
|
||
|
(c[rgb[2]]*100)+'%)';
|
||
|
}
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
function redrawSld() {
|
||
|
// redraw the slider pointer
|
||
|
switch(modeID) {
|
||
|
case 0: var yComponent = 2; break;
|
||
|
case 1: var yComponent = 1; break;
|
||
|
}
|
||
|
var y = Math.round((1-THIS.hsv[yComponent]) * (jscolor.images.sld[1]-1));
|
||
|
jscolor.picker.sldM.style.backgroundPosition =
|
||
|
'0 ' + (THIS.pickerFace+THIS.pickerInset+y - Math.floor(jscolor.images.arrow[1]/2)) + 'px';
|
||
|
}
|
||
|
|
||
|
|
||
|
function isPickerOwner() {
|
||
|
return jscolor.picker && jscolor.picker.owner === THIS;
|
||
|
}
|
||
|
|
||
|
|
||
|
function blurTarget() {
|
||
|
if(valueElement === target) {
|
||
|
THIS.importColor();
|
||
|
}
|
||
|
if(THIS.pickerOnfocus) {
|
||
|
THIS.hidePicker();
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
function blurValue() {
|
||
|
if(valueElement !== target) {
|
||
|
THIS.importColor();
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
function setPad(e) {
|
||
|
var mpos = jscolor.getRelMousePos(e);
|
||
|
var x = mpos.x - THIS.pickerFace - THIS.pickerInset;
|
||
|
var y = mpos.y - THIS.pickerFace - THIS.pickerInset;
|
||
|
switch(modeID) {
|
||
|
case 0: THIS.fromHSV(x*(6/(jscolor.images.pad[0]-1)), 1 - y/(jscolor.images.pad[1]-1), null, leaveSld); break;
|
||
|
case 1: THIS.fromHSV(x*(6/(jscolor.images.pad[0]-1)), null, 1 - y/(jscolor.images.pad[1]-1), leaveSld); break;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
function setSld(e) {
|
||
|
var mpos = jscolor.getRelMousePos(e);
|
||
|
var y = mpos.y - THIS.pickerFace - THIS.pickerInset;
|
||
|
switch(modeID) {
|
||
|
case 0: THIS.fromHSV(null, null, 1 - y/(jscolor.images.sld[1]-1), leavePad); break;
|
||
|
case 1: THIS.fromHSV(null, 1 - y/(jscolor.images.sld[1]-1), null, leavePad); break;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
function dispatchImmediateChange() {
|
||
|
if (THIS.onImmediateChange) {
|
||
|
var callback;
|
||
|
if (typeof THIS.onImmediateChange === 'string') {
|
||
|
callback = new Function (THIS.onImmediateChange);
|
||
|
} else {
|
||
|
callback = THIS.onImmediateChange;
|
||
|
}
|
||
|
callback.call(THIS);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
var THIS = this;
|
||
|
var modeID = this.pickerMode.toLowerCase()==='hvs' ? 1 : 0;
|
||
|
var abortBlur = false;
|
||
|
var
|
||
|
valueElement = jscolor.fetchElement(this.valueElement),
|
||
|
styleElement = jscolor.fetchElement(this.styleElement);
|
||
|
var
|
||
|
holdPad = false,
|
||
|
holdSld = false,
|
||
|
touchOffset = {};
|
||
|
var
|
||
|
leaveValue = 1<<0,
|
||
|
leaveStyle = 1<<1,
|
||
|
leavePad = 1<<2,
|
||
|
leaveSld = 1<<3;
|
||
|
|
||
|
// target
|
||
|
jscolor.addEvent(target, 'focus', function() {
|
||
|
if(THIS.pickerOnfocus) { THIS.showPicker(); }
|
||
|
});
|
||
|
jscolor.addEvent(target, 'blur', function() {
|
||
|
if(!abortBlur) {
|
||
|
window.setTimeout(function(){ abortBlur || blurTarget(); abortBlur=false; }, 0);
|
||
|
} else {
|
||
|
abortBlur = false;
|
||
|
}
|
||
|
});
|
||
|
|
||
|
// valueElement
|
||
|
if(valueElement) {
|
||
|
var updateField = function() {
|
||
|
THIS.fromString(valueElement.value, leaveValue);
|
||
|
dispatchImmediateChange();
|
||
|
};
|
||
|
jscolor.addEvent(valueElement, 'keyup', updateField);
|
||
|
jscolor.addEvent(valueElement, 'input', updateField);
|
||
|
jscolor.addEvent(valueElement, 'blur', blurValue);
|
||
|
valueElement.setAttribute('autocomplete', 'off');
|
||
|
}
|
||
|
|
||
|
// styleElement
|
||
|
if(styleElement) {
|
||
|
styleElement.jscStyle = {
|
||
|
backgroundImage : styleElement.style.backgroundImage,
|
||
|
backgroundColor : styleElement.style.backgroundColor,
|
||
|
color : styleElement.style.color
|
||
|
};
|
||
|
}
|
||
|
|
||
|
// require images
|
||
|
switch(modeID) {
|
||
|
case 0: jscolor.requireImage('hs.png'); break;
|
||
|
case 1: jscolor.requireImage('hv.png'); break;
|
||
|
}
|
||
|
jscolor.requireImage('cross.gif');
|
||
|
jscolor.requireImage('arrow.gif');
|
||
|
|
||
|
this.importColor();
|
||
|
}
|
||
|
|
||
|
};
|
||
|
|
||
|
|
||
|
jscolor.install();
|