;(function($) {
var oSettings;
var oUlCss = {};
var oLiCss = {};
var fGAng = 2.399963;
$.tagcloud = {
id: "TagCloud"
,version: "0.5.1"
,defaults: {
height: null
,type: "cloud"
,sizemax: 20
,sizemin: 10
,colormax: "00F"
,colormin: "B4D2FF"
,seed: null
,power: .5
,padding: 0
}
};
$.fn.extend({
tagcloud: function(_settings) {
oSettings = $.extend({}, $.tagcloud.defaults, _settings);
if (oSettings.seed===null) oSettings.seed = Math.ceil(Math.random()*45309714203);
switch (oSettings.type) {
case "sphere":
case "cloud":
oUlCss = {position:"relative"};
oLiCss = {position:"absolute",display:"block"};
break;
case "list":
oUlCss = {height:"auto"};
oLiCss = {position:"static",display:"inline"};
break;
}
Rng.setSeed(oSettings.seed+123456);
return this.each(function(i,o) {
var mUl = $(o);
var aLi = mUl.find(">li");
var iNumLi = aLi.length;
var iUlW = mUl.width();
var iUlH = oSettings.height===null?(.004*iUlW*iNumLi):oSettings.height;
mUl.css({width:iUlW,height:iUlH,listStyle:"none",margin:0,padding:0});
mUl.css(oUlCss);
var iValMx = -2147483647;
var iValMn = 2147483648;
var iLastVal = -1;
for (var j=0;j<iNumLi;j++) {
var mLi = $(aLi[j]);
var iVal = mLi.attr("value")==-1?iLastVal++:mLi.attr("value");
if (iVal>iValMx) iValMx = iVal;
if (iVal<iValMn) iValMn = iVal;
iLastVal = iVal;
}
var iValRn = iValMx-iValMn;
var aLine = new Array();
for (var j=0;j<iNumLi;j++) aLine[j] = j;
for (var j, x, k = aLine.length; k; j = parseInt(Rng.rand(0,1000)/1000 * k), x = aLine[--k], aLine[k] = aLine[j], aLine[j] = x);
iLastVal = -1;
for (var j=0;j<iNumLi;j++) {
var mLi = $(aLi[j]);;
var iVal = mLi.attr("value")==-1?iLastVal++:mLi.attr("value");
iLastVal = iVal;
var fPrt = ((iNumLi-j-1)/(iNumLi-1));
var fPrt = (iVal-iValMn)/iValRn;
var iSzFnt = oSettings.sizemin + fPrt*(oSettings.sizemax-oSettings.sizemin);
var sColor = colorRng(oSettings.colormin,oSettings.colormax,fPrt);
mLi.css({"word-wrap":"break-word",
"fontSize":iSzFnt,
"position":"absolute",
"color":"#"+sColor,
"margin":0,
"padding":oSettings.padding}).children().css({color:"#"+sColor});
var iLiW = mLi.width();
var iLiH = mLi.height()
var oCss = {};
if (oSettings.type!="list") {
if (oSettings.type=="cloud") {
var iXps = Rng.rand(0,iUlW-iLiW);
var iYps = aLine[j]*(iUlH/iNumLi) - iLiH/2;
} else {
var fRds = Math.pow(j/iNumLi,oSettings.power);
var fRad = (j+Math.PI/2)*fGAng;
var iXps = iUlW/2 - iLiW/2 + .5*iUlW*fRds*Math.sin(fRad);
var iYps = iUlH/2 - iLiH/2 + .5*iUlH*fRds*Math.cos(fRad);
}
oCss.left = iXps;
oCss.top = iYps;
}
for (var prop in oLiCss) oCss[prop] = oLiCss[prop];
mLi.css(oCss);
}
});
}
});
var Rng = new function() {
this.seed = 23145678901;
this.A = 48271;
this.M = 2147483647;
this.Q = this.M/this.A;
this.R = this.M%this.A;
this.oneOverM = 1.0/this.M;
}
Rng.setSeed = function(seed) {
this.seed = seed;
}
Rng.next = function() {
var hi = this.seed/this.Q;
var lo = this.seed%this.Q;
var test = this.A*lo - this.R*hi;
this.seed = test + (test>0?0:this.M);
return (this.seed*this.oneOverM);
}
Rng.rand = function(lrn, urn) {
return Math.floor((urn - lrn + 1) * this.next() + lrn);
}
function d2h(d) {return d.toString(16);}
function h2d(h) {return parseInt(h,16);}
function getRGB(s) {
var b3 = s.length==3;
var aClr = [];
for (var i=0;i<3;i++) {
var sClr = s.substring( i*(b3?1:2), (i+1)*(b3?1:2) );
aClr.push(h2d(b3?sClr+sClr:sClr));
}
return aClr;
}
function getHex(a) {
var s = "";
for (var i=0;i<3;i++) {
var c = d2h(a[i]);
if (c.length==1) c = "0"+c;
s += c;
}
return s;
}
function colorRng(mn,mx,prt) {
var aMin = getRGB(mn);
var aMax = getRGB(mx);
var aRtr = [];
for (var i=0;i<3;i++) aRtr.push( aMin[i] + Math.floor(prt*(aMax[i]-aMin[i])) );
return getHex(aRtr);
}
function trace(o) {
if (window.console&&window.console.log) {
if (typeof(o)=="string") window.console.log(o);
else for (var prop in o) window.console.log(prop+": "+o[prop]);
}
};
$.fn.TagCloud = $.fn.Tagcloud = $.fn.tagcloud;
})(jQuery);
$(document).ready(function() {
$("ul").tagcloud({type:"sephere",width:300,height:300,sizemin:8,sizemax:36,power:0.5});
function createRandomColor() {
var hex = '0123456789ABC'.split(''), color = '#', i;
for (i = 0; i < 6; i += 1) {
color = color + hex[Math.floor(Math.random() * 13)];
}
return color;
}
$('ul li').each(function() {
var $a = $(this).find('a');
var rastgelerenk = createRandomColor();
$a.css({color: rastgelerenk});
});
});
