NcodeImageResizer.IMAGE_ID_BASE='ncode_imageresizer_container_';
NcodeImageResizer.WARNING_ID_BASE='ncode_imageresizer_warning_';
NcodeImageResizer.scheduledResizes=[];
function NcodeImageResizer(id,img){
this.id=id;
this.img=img;
this.originalWidth=0;
this.originalHeight=0;
this.warning=null;
this.warningTextNode=null;
this.originalWidth=img.originalWidth;
this.originalHeight=img.originalHeight;
img.id=NcodeImageResizer.IMAGE_ID_BASE+id;
}
NcodeImageResizer.executeOnload=function(){
var rss=NcodeImageResizer.scheduledResizes;
for(var i=0;i<rss.length;i++){
NcodeImageResizer.createOn(rss[i],true);
}
}
NcodeImageResizer.schedule=function(img){
if(NcodeImageResizer.scheduledResizes.length==0){
if(window.addEventListener){
window.addEventListener('load',NcodeImageResizer.executeOnload,false);
}else if(window.attachEvent){
window.attachEvent('onload',NcodeImageResizer.executeOnload);
}
}
NcodeImageResizer.scheduledResizes.push(img);
}
NcodeImageResizer.getNextId=function(){
var id=1;
while(document.getElementById(NcodeImageResizer.IMAGE_ID_BASE+id)!=null){
id++;
}
return id;
}
NcodeImageResizer.createOnId=function(id){
return NcodeImageResizer.createOn(document.getElementById(id));
}
NcodeImageResizer.createOn=function(img,isSchedule){
if(typeof isSchedule=='undefined')isSchedule=false;
if(!img||!img.tagName||img.tagName.toLowerCase()!='img'){
alert(img+' is not an image ('+img.tagName.toLowerCase()+')');
}
if(img.width==0||img.height==0){
if(!isSchedule)
NcodeImageResizer.schedule(img);
return;
}
if(!img.originalWidth)img.originalWidth=img.width;
if(!img.originalHeight)img.originalHeight=img.height;
if((NcodeImageResizer.MAXWIDTH>0&&img.originalWidth>NcodeImageResizer.MAXWIDTH)||(NcodeImageResizer.MAXHEIGHT>0&&img.originalHeight>NcodeImageResizer.MAXHEIGHT)){
var isRecovery=false;
var newid,resizer;
if(img.id&&img.id.indexOf(NcodeImageResizer.IMAGE_ID_BASE)==0){
newid=img.id.substr(NcodeImageResizer.IMAGE_ID_BASE.length);
if(document.getElementById(NcodeImageResizer.WARNING_ID_BASE+newid)!=null){
resizer=new NcodeImageResizer(newid,img);
isRecovery=true;
resizer.restoreImage();
}
}else{
newid=NcodeImageResizer.getNextId();
resizer=new NcodeImageResizer(newid,img);
}
if(isRecovery){
resizer.reclaimWarning(newid);
}else{
resizer.createWarning();
}
resizer.scale();
}
}
NcodeImageResizer.prototype.restoreImage=function(){
newimg=document.createElement('IMG');
newimg.src=this.img.src;
this.img.width=newimg.width;
this.img.height=newimg.height;
}
NcodeImageResizer.prototype.reclaimWarning=function(id){
this.warning=document.getElementById(NcodeImageResizer.WARNING_ID_BASE+id);
this.warningTextNode=this.warning.firstChild.firstChild.childNodes[1].firstChild;
this.warning.resize=this;
this.scale();
}
NcodeImageResizer.prototype.createWarning=function(){
var mtable=document.createElement('TABLE');
var mtbody=document.createElement('TBODY');
var mtr=document.createElement('TR');
var mtd1=document.createElement('TD');
var mtd2=document.createElement('TD');
var mimg=document.createElement('IMG');
var mtext=document.createTextNode('');
mimg.src=NcodeImageResizer.BBURL+'/images/statusicon/wol_error.gif';
mimg.width=16;
mimg.height=16;
mimg.alt='';
mimg.border=0;
mtd1.width=20;
mtd1.className='td1';
mtd2.unselectable='on';
mtd2.className='td2';
mtable.className='ncode_imageresizer_warning';
mtable.textNode=mtext;
mtable.resize=this;
mtable.id=NcodeImageResizer.WARNING_ID_BASE+this.id;
mtd1.appendChild(mimg);
mtd2.appendChild(mtext);
mtr.appendChild(mtd1);
mtr.appendChild(mtd2);
mtbody.appendChild(mtr);
mtable.appendChild(mtbody);
this.img.parentNode.insertBefore(mtable,this.img);
this.warning=mtable;
this.warningTextNode=mtext;
}
NcodeImageResizer.prototype.setText=function(text){
var newnode=document.createTextNode(text);
this.warningTextNode.parentNode.replaceChild(newnode,this.warningTextNode);
this.warningTextNode=newnode;
}
NcodeImageResizer.prototype.scale=function(){
this.img.height=this.originalHeight;
this.img.width=this.originalWidth;
if(NcodeImageResizer.MAXWIDTH>0&&this.img.width>NcodeImageResizer.MAXWIDTH){
this.img.height=(NcodeImageResizer.MAXWIDTH/this.img.width)*this.img.height;
this.img.width=NcodeImageResizer.MAXWIDTH;
}
if(NcodeImageResizer.MAXHEIGHT>0&&this.img.height>NcodeImageResizer.MAXHEIGHT){
this.img.width=(NcodeImageResizer.MAXHEIGHT/this.img.height)*this.img.width;
this.img.height=NcodeImageResizer.MAXHEIGHT;
}
this.warning.width=this.img.width;
this.warning.onclick=function(){return this.resize.unScale();}
if(this.img.width<450){
this.setText(vbphrase['ncode_imageresizer_warning_small']);
}else if(this.img.fileSize&&this.img.fileSize>0){
this.setText(vbphrase['ncode_imageresizer_warning_filesize'].replace('%1$s',this.originalWidth).replace('%2$s',this.originalHeight).replace('%3$s',Math.round(this.img.fileSize/1024)));
}else{
this.setText(vbphrase['ncode_imageresizer_warning_no_filesize'].replace('%1$s',this.originalWidth).replace('%2$s',this.originalHeight));
}
return false;
}
NcodeImageResizer.prototype.unScale=function(){
switch(NcodeImageResizer.MODE){
case'samewindow':
window.open(this.img.src,'_self');
break;
case'newwindow':
window.open(this.img.src,'_blank');
break;
case'enlarge':
default:
this.img.width=this.originalWidth;
this.img.height=this.originalHeight;
this.img.className='ncode_imageresizer_original';
if(this.warning!=null){
this.setText(vbphrase['ncode_imageresizer_warning_fullsize']);
this.warning.width=this.img.width;
this.warning.onclick=function(){return this.resize.scale()};
}
break;
}
return false;
}