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/* Nifty Corners Cube - rounded corners with CSS and Javascript
Copyright 2006 Alessandro Fulciniti (a.fulciniti@html.it)
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 St, Fifth Floor, Boston, MA 02110-1301 USA
*/
var niftyOk=(document.getElementById && document.createElement && Array.prototype.push);
var niftyCss=false;
String.prototype.find=function(what){
return(this.indexOf(what)>=0 ? true : false);
}
var oldonload=window.onload;
if(typeof(NiftyLoad)!='function') NiftyLoad=function(){};
if(typeof(oldonload)=='function')
window.onload=function(){oldonload();AddCss();NiftyLoad()};
else window.onload=function(){AddCss();NiftyLoad()};
function AddCss(){
niftyCss=true;
var l=CreateEl("link");
l.setAttribute("type","text/css");
l.setAttribute("rel","stylesheet");
l.setAttribute("href","niftyCorners.css");
l.setAttribute("media","screen");
document.getElementsByTagName("head")[0].appendChild(l);
}
function Nifty(selector,options){
if(niftyOk==false) return;
if(niftyCss==false) AddCss();
var i,v=selector.split(","),h=0;
if(options==null) options="";
if(options.find("fixed-height"))
h=getElementsBySelector(v[0])[0].offsetHeight;
for(i=0;i<v.length;i++)
Rounded(v[i],options);
if(options.find("height")) SameHeight(selector,h);
}
function Rounded(selector,options){
var i,top="",bottom="",v=new Array();
if(options!=""){
options=options.replace("left","tl bl");
options=options.replace("right","tr br");
options=options.replace("top","tr tl");
options=options.replace("bottom","br bl");
options=options.replace("transparent","alias");
if(options.find("tl")){
top="both";
if(!options.find("tr")) top="left";
}
else if(options.find("tr")) top="right";
if(options.find("bl")){
bottom="both";
if(!options.find("br")) bottom="left";
}
else if(options.find("br")) bottom="right";
}
if(top=="" && bottom=="" && !options.find("none")){top="both";bottom="both";}
v=getElementsBySelector(selector);
for(i=0;i<v.length;i++){
FixIE(v[i]);
if(top!="") AddTop(v[i],top,options);
if(bottom!="") AddBottom(v[i],bottom,options);
}
}
function AddTop(el,side,options){
var d=CreateEl("b"),lim=4,border="",p,i,btype="r",bk,color;
d.style.marginLeft="-"+getPadding(el,"Left")+"px";
d.style.marginRight="-"+getPadding(el,"Right")+"px";
if(options.find("alias") || (color=getBk(el))=="transparent"){
color="transparent";bk="transparent"; border=getParentBk(el);btype="t";
}
else{
bk=getParentBk(el); border=Mix(color,bk);
}
d.style.background=bk;
d.className="niftycorners";
p=getPadding(el,"Top");
if(options.find("small")){
d.style.marginBottom=(p-2)+"px";
btype+="s"; lim=2;
}
else if(options.find("big")){
d.style.marginBottom=(p-10)+"px";
btype+="b"; lim=8;
}
else d.style.marginBottom=(p-5)+"px";
for(i=1;i<=lim;i++)
d.appendChild(CreateStrip(i,side,color,border,btype));
el.style.paddingTop="0";
el.insertBefore(d,el.firstChild);
}
function AddBottom(el,side,options){
var d=CreateEl("b"),lim=4,border="",p,i,btype="r",bk,color;
d.style.marginLeft="-"+getPadding(el,"Left")+"px";
d.style.marginRight="-"+getPadding(el,"Right")+"px";
if(options.find("alias") || (color=getBk(el))=="transparent"){
color="transparent";bk="transparent"; border=getParentBk(el);btype="t";
}
else{
bk=getParentBk(el); border=Mix(color,bk);
}
d.style.background=bk;
d.className="niftycorners";
p=getPadding(el,"Bottom");
if(options.find("small")){
d.style.marginTop=(p-2)+"px";
btype+="s"; lim=2;
}
else if(options.find("big")){
d.style.marginTop=(p-10)+"px";
btype+="b"; lim=8;
}
else d.style.marginTop=(p-5)+"px";
for(i=lim;i>0;i--)
d.appendChild(CreateStrip(i,side,color,border,btype));
el.style.paddingBottom=0;
el.appendChild(d);
}
function CreateStrip(index,side,color,border,btype){
var x=CreateEl("b");
x.className=btype+index;
x.style.backgroundColor=color;
x.style.borderColor=border;
if(side=="left"){
x.style.borderRightWidth="0";
x.style.marginRight="0";
}
else if(side=="right"){
x.style.borderLeftWidth="0";
x.style.marginLeft="0";
}
return(x);
}
function CreateEl(x){
return(document.createElement(x));
}
function FixIE(el){
if(el.currentStyle!=null && el.currentStyle.hasLayout!=null && el.currentStyle.hasLayout==false)
el.style.display="inline-block";
}
function SameHeight(selector,maxh){
var i,v=selector.split(","),t,j,els=[],gap;
for(i=0;i<v.length;i++){
t=getElementsBySelector(v[i]);
els=els.concat(t);
}
for(i=0;i<els.length;i++){
if(els[i].offsetHeight>maxh) maxh=els[i].offsetHeight;
els[i].style.height="auto";
}
for(i=0;i<els.length;i++){
gap=maxh-els[i].offsetHeight;
if(gap>0){
t=CreateEl("b");t.className="niftyfill";t.style.height=gap+"px";
nc=els[i].lastChild;
if(nc.className=="niftycorners")
els[i].insertBefore(t,nc);
else els[i].appendChild(t);
}
}
}
function getElementsBySelector(selector){
var i,j,selid="",selclass="",tag=selector,tag2="",v2,k,f,a,s=[],objlist=[],c;
if(selector.find("#")){ //id selector like "tag#id"
if(selector.find(" ")){ //descendant selector like "tag#id tag"
s=selector.split(" ");
var fs=s[0].split("#");
if(fs.length==1) return(objlist);
f=document.getElementById(fs[1]);
if(f){
v=f.getElementsByTagName(s[1]);
for(i=0;i<v.length;i++) objlist.push(v[i]);
}
return(objlist);
}
else{
s=selector.split("#");
tag=s[0];
selid=s[1];
if(selid!=""){
f=document.getElementById(selid);
if(f) objlist.push(f);
return(objlist);
}
}
}
if(selector.find(".")){ //class selector like "tag.class"
s=selector.split(".");
tag=s[0];
selclass=s[1];
if(selclass.find(" ")){ //descendant selector like tag1.classname tag2
s=selclass.split(" ");
selclass=s[0];
tag2=s[1];
}
}
var v=document.getElementsByTagName(tag); // tag selector like "tag"
if(selclass==""){
for(i=0;i<v.length;i++) objlist.push(v[i]);
return(objlist);
}
for(i=0;i<v.length;i++){
c=v[i].className.split(" ");
for(j=0;j<c.length;j++){
if(c[j]==selclass){
if(tag2=="") objlist.push(v[i]);
else{
v2=v[i].getElementsByTagName(tag2);
for(k=0;k<v2.length;k++) objlist.push(v2[k]);
}
}
}
}
return(objlist);
}
function getParentBk(x){
var el=x.parentNode,c;
while(el.tagName.toUpperCase()!="HTML" && (c=getBk(el))=="transparent")
el=el.parentNode;
if(c=="transparent") c="#FFFFFF";
return(c);
}
function getBk(x){
var c=getStyleProp(x,"backgroundColor");
if(c==null || c=="transparent" || c.find("rgba(0, 0, 0, 0)"))
return("transparent");
if(c.find("rgb")) c=rgb2hex(c);
return(c);
}
function getPadding(x,side){
var p=getStyleProp(x,"padding"+side);
if(p==null || !p.find("px")) return(0);
return(parseInt(p));
}
function getStyleProp(x,prop){
if(x.currentStyle)
return(x.currentStyle[prop]);
if(document.defaultView.getComputedStyle)
return(document.defaultView.getComputedStyle(x,'')[prop]);
return(null);
}
function rgb2hex(value){
var hex="",v,h,i;
var regexp=/([0-9]+)[, ]+([0-9]+)[, ]+([0-9]+)/;
var h=regexp.exec(value);
for(i=1;i<4;i++){
v=parseInt(h[i]).toString(16);
if(v.length==1) hex+="0"+v;
else hex+=v;
}
return("#"+hex);
}
function Mix(c1,c2){
var i,step1,step2,x,y,r=new Array(3);
if(c1.length==4)step1=1;
else step1=2;
if(c2.length==4) step2=1;
else step2=2;
for(i=0;i<3;i++){
x=parseInt(c1.substr(1+step1*i,step1),16);
if(step1==1) x=16*x+x;
y=parseInt(c2.substr(1+step2*i,step2),16);
if(step2==1) y=16*y+y;
r[i]=Math.floor((x*50+y*50)/100);
r[i]=r[i].toString(16);
if(r[i].length==1) r[i]="0"+r[i];
}
return("#"+r[0]+r[1]+r[2]);
} |
