1 /* Nifty Corners Cube - rounded corners with CSS and Javascript
2 Copyright 2006 Alessandro Fulciniti (a.fulciniti@html.it)
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 var niftyOk=(document.getElementById && document.createElement && Array.prototype.push);
22 String.prototype.find=function(what){
23 return(this.indexOf(what)>=0 ? true : false);
26 var oldonload=window.onload;
27 if(typeof(NiftyLoad)!='function') NiftyLoad=function(){};
28 if(typeof(oldonload)=='function')
29 window.onload=function(){oldonload();AddCss();NiftyLoad()};
30 else window.onload=function(){AddCss();NiftyLoad()};
34 var l=CreateEl("link");
35 l.setAttribute("type","text/css");
36 l.setAttribute("rel","stylesheet");
37 l.setAttribute("href","static/niftyCorners.css");
38 l.setAttribute("media","screen");
39 document.getElementsByTagName("head")[0].appendChild(l);
42 function Nifty(selector,options){
43 if(niftyOk==false) return;
44 if(niftyCss==false) AddCss();
45 var i,v=selector.split(","),h=0;
46 if(options==null) options="";
47 if(options.find("fixed-height"))
48 h=getElementsBySelector(v[0])[0].offsetHeight;
49 for(i=0;i<v.length;i++)
50 Rounded(v[i],options);
51 if(options.find("height")) SameHeight(selector,h);
54 function Rounded(selector,options){
55 var i,top="",bottom="",v=new Array();
57 options=options.replace("left","tl bl");
58 options=options.replace("right","tr br");
59 options=options.replace("top","tr tl");
60 options=options.replace("bottom","br bl");
61 options=options.replace("transparent","alias");
62 if(options.find("tl")){
64 if(!options.find("tr")) top="left";
66 else if(options.find("tr")) top="right";
67 if(options.find("bl")){
69 if(!options.find("br")) bottom="left";
71 else if(options.find("br")) bottom="right";
73 if(top=="" && bottom=="" && !options.find("none")){top="both";bottom="both";}
74 v=getElementsBySelector(selector);
75 for(i=0;i<v.length;i++){
77 if(top!="") AddTop(v[i],top,options);
78 if(bottom!="") AddBottom(v[i],bottom,options);
82 function AddTop(el,side,options){
83 var d=CreateEl("b"),lim=4,border="",p,i,btype="r",bk,color;
84 d.style.marginLeft="-"+getPadding(el,"Left")+"px";
85 d.style.marginRight="-"+getPadding(el,"Right")+"px";
86 if(options.find("alias") || (color=getBk(el))=="transparent"){
87 color="transparent";bk="transparent"; border=getParentBk(el);btype="t";
90 bk=getParentBk(el); border=Mix(color,bk);
92 d.style.background=bk;
93 d.className="niftycorners";
94 p=getPadding(el,"Top");
95 if(options.find("small")){
96 d.style.marginBottom=(p-2)+"px";
99 else if(options.find("big")){
100 d.style.marginBottom=(p-10)+"px";
103 else d.style.marginBottom=(p-5)+"px";
105 d.appendChild(CreateStrip(i,side,color,border,btype));
106 el.style.paddingTop="0";
107 el.insertBefore(d,el.firstChild);
110 function AddBottom(el,side,options){
111 var d=CreateEl("b"),lim=4,border="",p,i,btype="r",bk,color;
112 d.style.marginLeft="-"+getPadding(el,"Left")+"px";
113 d.style.marginRight="-"+getPadding(el,"Right")+"px";
114 if(options.find("alias") || (color=getBk(el))=="transparent"){
115 color="transparent";bk="transparent"; border=getParentBk(el);btype="t";
118 bk=getParentBk(el); border=Mix(color,bk);
120 d.style.background=bk;
121 d.className="niftycorners";
122 p=getPadding(el,"Bottom");
123 if(options.find("small")){
124 d.style.marginTop=(p-2)+"px";
127 else if(options.find("big")){
128 d.style.marginTop=(p-10)+"px";
131 else d.style.marginTop=(p-5)+"px";
133 d.appendChild(CreateStrip(i,side,color,border,btype));
134 el.style.paddingBottom=0;
138 function CreateStrip(index,side,color,border,btype){
140 x.className=btype+index;
141 x.style.backgroundColor=color;
142 x.style.borderColor=border;
144 x.style.borderRightWidth="0";
145 x.style.marginRight="0";
147 else if(side=="right"){
148 x.style.borderLeftWidth="0";
149 x.style.marginLeft="0";
154 function CreateEl(x){
155 return(document.createElement(x));
159 if(el.currentStyle!=null && el.currentStyle.hasLayout!=null && el.currentStyle.hasLayout==false)
160 el.style.display="inline-block";
163 function SameHeight(selector,maxh){
164 var i,v=selector.split(","),t,j,els=[],gap;
165 for(i=0;i<v.length;i++){
166 t=getElementsBySelector(v[i]);
169 for(i=0;i<els.length;i++){
170 if(els[i].offsetHeight>maxh) maxh=els[i].offsetHeight;
171 els[i].style.height="auto";
173 for(i=0;i<els.length;i++){
174 gap=maxh-els[i].offsetHeight;
176 t=CreateEl("b");t.className="niftyfill";t.style.height=gap+"px";
178 if(nc.className=="niftycorners")
179 els[i].insertBefore(t,nc);
180 else els[i].appendChild(t);
185 function getElementsBySelector(selector){
186 var i,j,selid="",selclass="",tag=selector,tag2="",v2,k,f,a,s=[],objlist=[],c;
187 if(selector.find("#")){ //id selector like "tag#id"
188 if(selector.find(" ")){ //descendant selector like "tag#id tag"
189 s=selector.split(" ");
190 var fs=s[0].split("#");
191 if(fs.length==1) return(objlist);
192 f=document.getElementById(fs[1]);
194 v=f.getElementsByTagName(s[1]);
195 for(i=0;i<v.length;i++) objlist.push(v[i]);
200 s=selector.split("#");
204 f=document.getElementById(selid);
205 if(f) objlist.push(f);
210 if(selector.find(".")){ //class selector like "tag.class"
211 s=selector.split(".");
214 if(selclass.find(" ")){ //descendant selector like tag1.classname tag2
215 s=selclass.split(" ");
220 var v=document.getElementsByTagName(tag); // tag selector like "tag"
222 for(i=0;i<v.length;i++) objlist.push(v[i]);
225 for(i=0;i<v.length;i++){
226 c=v[i].className.split(" ");
227 for(j=0;j<c.length;j++){
229 if(tag2=="") objlist.push(v[i]);
231 v2=v[i].getElementsByTagName(tag2);
232 for(k=0;k<v2.length;k++) objlist.push(v2[k]);
240 function getParentBk(x){
241 var el=x.parentNode,c;
242 while(el.tagName.toUpperCase()!="HTML" && (c=getBk(el))=="transparent")
244 if(c=="transparent") c="#FFFFFF";
249 var c=getStyleProp(x,"backgroundColor");
250 if(c==null || c=="transparent" || c.find("rgba(0, 0, 0, 0)"))
251 return("transparent");
252 if(c.find("rgb")) c=rgb2hex(c);
256 function getPadding(x,side){
257 var p=getStyleProp(x,"padding"+side);
258 if(p==null || !p.find("px")) return(0);
262 function getStyleProp(x,prop){
264 return(x.currentStyle[prop]);
265 if(document.defaultView.getComputedStyle)
266 return(document.defaultView.getComputedStyle(x,'')[prop]);
270 function rgb2hex(value){
272 var regexp=/([0-9]+)[, ]+([0-9]+)[, ]+([0-9]+)/;
273 var h=regexp.exec(value);
275 v=parseInt(h[i]).toString(16);
276 if(v.length==1) hex+="0"+v;
283 var i,step1,step2,x,y,r=new Array(3);
284 if(c1.length==4)step1=1;
286 if(c2.length==4) step2=1;
289 x=parseInt(c1.substr(1+step1*i,step1),16);
290 if(step1==1) x=16*x+x;
291 y=parseInt(c2.substr(1+step2*i,step2),16);
292 if(step2==1) y=16*y+y;
293 r[i]=Math.floor((x*50+y*50)/100);
294 r[i]=r[i].toString(16);
295 if(r[i].length==1) r[i]="0"+r[i];
297 return("#"+r[0]+r[1]+r[2]);