templates/static/upload.js

   1 String.prototype.trim = function(){ return this.replace(/^\s+|\s+$/g,'') }
   2 String.prototype.escRegExp = function(){ return this.replace(/[\\$*+?()=!|,{}\[\]\.^]/g,'\\$&') }
   3 String.prototype.unescHtml = function(){ var i,t=this; for(i in e) t=t.replace(new RegExp(i,'g'),e[i]); return t }
   4 var availhash = {};
   5 var tags = tagList.split(/\s+/);
   6 for (t in tags) { availhash[tags[t]] = 1 }
   7
   8 function addHandler( elt ) {
   9     var params = {
  10         elt: elt,
  11         oldvalue: elt.value
  12     };
  13     document.onkeyup = function (event) {
  14        var e=(event||window.event) //w3||ie
  15         switch(e.keyCode) {
  16             case 35: //end
  17             case 36: //home
  18             case 39: // right
  19             case 37: // left
  20             case 32: // space
  21                 params.elt.style.background = "#fff";
  22                 $("suggestionlist").style.visibility='hidden';
  23                 break
  24             case 38: case 40: case 9: case 13: break;
  25             default:
  26             var tagArray = params.elt.value.toLowerCase().split(' '),
  27             txt=tagArray[tagArray.length-1].trim().escRegExp(), tagHash={}, t
  28             for(t in tagArray) tagHash[tagArray[t]] = true;
  29             var sl = $("suggestionlist");
  30             if (!txt) { sl.style.visibility = 'hidden'; return; }
  31
  32             var search = tagList.match(new RegExp(("(?:^| )("+txt+"[^ ]+)"), "gi"))
  33             if(search){
  34                 params.elt.style.background = availhash[txt] ? "#dfd" : "#fff";
  35                 while(sl.childNodes.length > 0) { sl.removeChild(sl.firstChild) }
  36                 sl.style.visibility='visible';
  37                 var i;
  38                 for (i in search) {
  39                     if (!tagHash[search[i]]) {
  40                         var tn = document.createTextNode(search[i]);
  41                         var a = document.createElement("a");
  42                         var elt = params.elt;
  43                         var closureTxt = txt;
  44                         a.onclick = function () {
  45                             elt.value = elt.value.replace(new RegExp(closureTxt+"$"),this.firstChild.nodeValue+" ");
  46                             elt.focus();
  47                             sl.style.visibility='hidden';
  48                         };
  49                         a.appendChild(tn);
  50                         sl.appendChild(a);
  51                     }
  52                 }
  53             } else {
  54                 params.elt.style.background = availhash[txt] ? "#dfd" : "#fdd";
  55                 sl.style.visibility='hidden';
  56            }
  57         }
  58     }
  59 }