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                                                 if ( (typeof oli.className) != 'undefined') {
  31                                                         oli.classNameOriginal = oli.className.replace( 'selected', '' );
  32                                                 } else {
  33                                                         oli.classNameOriginal = '';
  34                                                 }
  35
  36                                                 oli.className = "selected "+oli.classNameOriginal;
  37                                                 return false;
  38                                         }
  39                                 } else if (inputs[0].checked) {
  40                                         return false;
  41                                 }
  42                                 if (inputs[0].checked) {
  43                                         dli = lis[i];
  44                                 }
  45                                 if (!oli) {
  46                                         inputs[0].style.visibility = 'hidden';
  47                                 }
  48                                 if (dli) {
  49                                         inputs[1].style.visibility = 'hidden';
  50                                 }
  51                                 if ( (typeof lis[i].className) != 'undefined') {
  52                                         lis[i].classNameOriginal = lis[i].className.replace( 'selected', '' );
  53                                 } else {
  54                                         lis[i].classNameOriginal = '';
  55                                 }
  56
  57                                 lis[i].className = "selected "+lis[i].classNameOriginal;
  58                                 oli = lis[i];
  59                         }  else { // no radio is checked in this row
  60                                 if (!oli) {
  61                                         inputs[0].style.visibility = 'hidden';
  62                                 } else {
  63                                         inputs[0].style.visibility = 'visible';
  64                                 }
  65                                 if (dli) {
  66                                         inputs[1].style.visibility = 'hidden';
  67                                 } else {
  68                                         inputs[1].style.visibility = 'visible';
  69                                 }
  70                                 if ( typeof lis[i].classNameOriginal != 'undefined' ) {
  71                                         lis[i].className = lis[i].classNameOriginal;
  72                                 }
  73                         }
  74                 }
  75         }
  76         return true;
  77 }
  78
  79 // Attach event handlers to the input elements on history page
  80 function histrowinit() {
  81         var hf = document.getElementById('pagehistory');
  82         if (!hf) return;
  83         var lis = hf.getElementsByTagName('li');
  84         for (var i = 0; i < lis.length; i++) {
  85                 var inputs = historyRadios(lis[i]);
  86                 if (inputs[0] && inputs[1]) {
  87                         inputs[0].onclick = diffcheck;
  88                         inputs[1].onclick = diffcheck;
  89                 }
  90         }
  91         diffcheck();
  92 }
  93
  94 hookEvent("load", histrowinit);