skins/common/history.js

   1 function historyRadios(parent) {
   2         var inputs = parent.getElementsByTagName('input');
   3         var radios = [];
   4         for (var i = 0; i < inputs.length; i++) {
   5                 if (inputs[i].name == "diff" || inputs[i].name == "oldid") {
   6                         radios[radios.length] = inputs[i];
   7                 }
   8         }
   9         return radios;
  10 }
  11
  12 // check selection and tweak visibility/class onclick
  13 function diffcheck() {
  14         var dli = false; // the li where the diff radio is checked
  15         var oli = false; // the li where the oldid radio is checked
  16         var hf = document.getElementById('pagehistory');
  17         if (!hf) {
  18                 return true;
  19         }
  20         var lis = hf.getElementsByTagName('li');
  21         for (var i=0;i<lis.length;i++) {
  22                 var inputs = historyRadios(lis[i]);
  23                 if (inputs[1] && inputs[0]) {
  24                         if (inputs[1].checked || inputs[0].checked) { // this row has a checked radio button
  25                                 if (inputs[1].checked && inputs[0].checked && inputs[0].value == inputs[1].value) {
  26                                         return false;
  27                                 }
  28                                 if (oli) { // it's the second checked radio
  29                                         if (inputs[1].checked) {
  30                                                 oli.className = "selected";
  31                                                 return false;
  32                                         }
  33                                 } else if (inputs[0].checked) {
  34                                         return false;
  35                                 }
  36                                 if (inputs[0].checked) {
  37                                         dli = lis[i];
  38                                 }
  39                                 if (!oli) {
  40                                         inputs[0].style.visibility = 'hidden';
  41                                 }
  42                                 if (dli) {
  43                                         inputs[1].style.visibility = 'hidden';
  44                                 }
  45                                 lis[i].className = "selected";
  46                                 oli = lis[i];
  47                         }  else { // no radio is checked in this row
  48                                 if (!oli) {
  49                                         inputs[0].style.visibility = 'hidden';
  50                                 } else {
  51                                         inputs[0].style.visibility = 'visible';
  52                                 }
  53                                 if (dli) {
  54                                         inputs[1].style.visibility = 'hidden';
  55                                 } else {
  56                                         inputs[1].style.visibility = 'visible';
  57                                 }
  58                                 lis[i].className = "";
  59                         }
  60                 }
  61         }
  62         return true;
  63 }
  64
  65 // page history stuff
  66 // attach event handlers to the input elements on history page
  67 function histrowinit() {
  68         var hf = document.getElementById('pagehistory');
  69         if (!hf) {
  70                 return;
  71         }
  72         var lis = hf.getElementsByTagName('li');
  73         for (var i = 0; i < lis.length; i++) {
  74                 var inputs = historyRadios(lis[i]);
  75                 if (inputs[0] && inputs[1]) {
  76                         inputs[0].onclick = diffcheck;
  77                         inputs[1].onclick = diffcheck;
  78                 }
  79         }
  80         diffcheck();
  81 }
  82
  83 hookEvent("load", histrowinit);