mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-11-17 13:33:19 +01:00
125 lines
4.2 KiB
JavaScript
125 lines
4.2 KiB
JavaScript
/*
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DynAPI Distribution
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dynapi.functions.Image extension
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*/
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var f = dynapi.functions;
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f.Image = {}; // used by dynapi.library
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// Image Functions ---------------------------
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f._imgTTL = 30000; // Image Time To Load (ms)
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f.getImage = function(src,w,h,params) {
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var img,name,p=params;
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if(!p) name=src;
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else name=(!p.alias)? src:p.alias;
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img = dynapi.ximages[name];
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if(!img || (img && img.params!=params)){ // if user enters a new set of params then create a new image object
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img=dynapi.ximages[name] = (w!=null&&h!=null)? new Image(w,h) : new Image();
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img.w=w||null;
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img.h=h||null;
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img.src=src;img.params=p;
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img.getHTML=dynapi._imageGetHTML;
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img.reload=dynapi._imageReload;
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img.dtStart=new Date();
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if(p) {
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var f=dynapi.functions;
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if(p.oversrc) f.getImage(p.oversrc);
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if(p.downsrc) f.getImage(p.downsrc);
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}
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if(!this._imgTmr && this._imgProgFn) this._imageProgress();
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}
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return img;
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};
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f.getFailedImages = function(){
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var ar=[];
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for(i in dynapi.ximages){
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img=dynapi.ximages[i];
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if(img && img.failed) ar[ar.length]=img;
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}
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return ar;
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};
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f.captureImageProgress=function(fn){ //fn = fn(completed,failed,total);
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this._imgProgFn=fn;
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this._imageProgress();
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};
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f._imageProgress = function(){
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var i,c=0,f=0,t=0;
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var img,dtEnd = new Date;
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var fn=this._imgProgFn;
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for(i in dynapi.ximages){
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img=dynapi.ximages[i];
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if(img && img.complete!=null){
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t++;
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img.failed=(!img.complete && (dtEnd-img.dtStart)>this._imgTTL)? true:false;
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if (img.complete) c++;
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else if(img.failed) f++;
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}
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}
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if(fn) fn(c,f,t);
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if(c+f<t) this._imgTmr=window.setTimeout('dynapi.functions._imageProgress()',100);
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else this._imgTmr=0;
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};
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f.setImageTTL = function(ms){
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this._imgTTL=ms;
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};
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dynapi._imageReload = function(){
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var t=this.src;
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this.src='';
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this.src=t;
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this.dtStart=new Date();
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this.failed=false;
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dynapi.functions._imageProgress();
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};
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dynapi._imageHookArray={};
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dynapi._imageHook=function(anc,id,img,act,iSrc){
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var rt,f,tf,p=dynapi._imageHookArray[id];
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if(img && iSrc) img.src = iSrc;
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if(p) {
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f=p['on'+((act!='click')?'mouse':'')+act];tf=typeof(f);
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if(f) rt=((tf=='string')? eval(f):f(act,anc,img,iSrc));
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if(anc && !dynapi.ua.ns4) anc.blur();
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}
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return (!rt)? false:rt;
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};
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dynapi._imageGetHTML=function(params){
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var c,i,t,text,dir,xtags='';
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var p=(params)? params:{};
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var lparams=(this.params)? this.params:{}; // opera can't do a for(i in object) on a null variable?
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var forbid =',width,height,alias,src,tooltip,link,text,textdir,'
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+'oversrc,downsrc,onclick,onmouseover,onmouseout,onmouseup,onmousedown,';
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for(i in lparams) {if(p[i]==null) p[i]=lparams[i]};
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if(!p.name) p.name='XImage'+dynapi.ximages['__xCnTer__']++;
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if(p.border==null) p.border=0;
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// setup width & height
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if(this.width && this.w==null) this.w=this.width;
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if(this.height && this.h==null) this.h=this.height;
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text=p['text']; dir=p['textdir'];
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t= '<img src="'+this.src+'"'
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+((this.w)? ' width="'+this.w+'"':'')
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+((this.h)? ' height="'+this.h+'"':'')
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+((p['tooltip'])?' alt="'+p['tooltip']+'"':'');
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c='return dynapi._imageHook(this,\''+p.name+'\','+((dynapi.ua.ns4)? '((this._dynobj)? this._dynobj.doc:document)':'document')+'.images[\'';
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if(p.onclick) xtags=' onclick="'+c+p.name+'\'],\'click\');"';
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if(p.onmouseover||p.oversrc) xtags+=' onmouseover="'+c+p.name+'\'],\'over\',\''+((p.oversrc)?p.oversrc:'')+'\');"';
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if(p.onmouseout||p.oversrc) xtags+=' onmouseout="'+c+p.name+'\'],\'out\',\''+((p.oversrc)?this.src:'')+'\');"';
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if(p.onmousedown||p.downsrc) xtags+=' onmousedown="'+c+p.name+'\'],\'down\',\''+((p.downsrc)?p.downsrc:'')+'\');"';
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if(p.onmouseup||p.downsrc) xtags+=' onmouseup="'+c+p.name+'\'],\'up\',\''+((p.downsrc)?((p.oversrc)?p.oversrc:this.src):'')+'\');"';
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if(!p.link && (p.onclick||p.oversrc||p.downsrc)) p.link='javascript:;';
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if(!xtags && p.name.indexOf('XImage')==0) p.name=null; // remove name if not needed
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for(i in p){if(forbid.indexOf(','+i+',')<0 && p[i]!=null) t+=' '+i+'="'+p[i]+'"';}
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t+='>';
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if (text){
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dir=(dir)?(dir+'').toUpperCase():'E';
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if (dir=='N') t=text+'<br>'+t;
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else if (dir=='S') t=t+'<br>'+text;
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else if (dir=='E') t=t+text;
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else if (dir=='W') t=text+t;
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}
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if(p.link) t='<a title="'+((p.tooltip)? p.tooltip:'')+'" href="'+p['link']+'"'+xtags+'>'+t+'</a>';
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if(xtags && p.name) dynapi._imageHookArray[p.name]=p;
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return t;
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};
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