MediaWiki:Common.js

//================================================================================

/** Skript für [[Vorlage:Galerie]] */
$( function() {
  if (document.URL.match(/printable/g)) return;

  function toggleImageFunction(group,  remindex, shwindex) {
    return function() {
      document.getElementById("ImageGroupsGr" + group + "Im" + remindex).style["display"] = "none";
      document.getElementById("ImageGroupsGr" + group + "Im" + shwindex).style["display"] = "block";
      return false;
    };
  }

  var divs = document.getElementsByTagName("div");
  var i = 0, j = 0;
  var units, search;
  var currentimage;
  var UnitNode;
  for (i = 0; i < divs.length; i++) {
    if (divs[i].className !== "ImageGroup") { continue; }
    UnitNode = undefined;
    search = divs[i].getElementsByTagName("div");
    for (j = 0; j < search.length; j++) {
      if (search[j].className !== "ImageGroupUnits") { continue; }
      UnitNode=search[j];
      break;
    }
    if (UnitNode === undefined) { continue; }
    units = [];
    for (j = 0 ; j < UnitNode.childNodes.length ; j++ ) {
      var temp = UnitNode.childNodes[j];
      if (['center', 'mw-halign-center'].some(function(className) { return temp.classList.contains(className); })) { 
      	units.push(temp); 
      }
    }
    var rightlink = undefined;
    var commentText = undefined;
    var wrap;
    for (j = 0; j < units.length; j++) {
      currentimage = units[j];
      wrap = document.createElement('div');
      wrap.id = "ImageGroupsGr" + i + "Im" + j;
      currentimage.parentNode.insertBefore(wrap, currentimage);
      wrap.appendChild(currentimage);
      var leftlink = document.createElement("a");
      if (commentText !== undefined) {
        leftlink.setAttribute("title", commentText);
      }
      var comment;
      if (typeof(currentimage.getAttribute("title")) !== "string") {
        commentText = (j+1) + "/" + units.length;
        comment = document.createElement("tt").appendChild(document.createTextNode("("+ commentText + ")"));
      } else {
        commentText = currentimage.getAttribute("title");
        comment = document.createElement("span").appendChild(document.createTextNode(commentText));
        currentimage.removeAttribute("title");
      }
      if(rightlink !== undefined) {
        rightlink.setAttribute("title", commentText);
      }
      var imghead = document.createElement("div");
      rightlink = document.createElement("a");
      if (j !== 0) {
        leftlink.href = "#";
        leftlink.onclick = toggleImageFunction(i, j, j-1);
        leftlink.appendChild(document.createTextNode("◀"));
      }
      if (j !== units.length - 1) {
        rightlink.href = "#";
        rightlink.onclick = toggleImageFunction(i, j, j+1);
        rightlink.appendChild(document.createTextNode("▶"));
      }
      imghead.style["fontSize"] = "110%";
      imghead.style["fontweight"] = "bold";
      imghead.appendChild(leftlink);
      imghead.appendChild(document.createTextNode("\xA0"));
      imghead.appendChild(comment);
      imghead.appendChild(document.createTextNode("\xA0"));
      imghead.appendChild(rightlink);
      if (units.length > 1) {
        wrap.insertBefore(imghead, wrap.childNodes[0]);
      }
      if (j !== 0) {
        wrap.style["display"] = "none";
      }
    }
  }
});