skins/common/protect.js

   1 function protectInitialize(tableId, labelText) {
   2         if (document.createTextNode) {
   3                 var box = document.getElementById(tableId);
   4                 if (!box)
   5                         return false;
   6
   7                 var tbody = box.getElementsByTagName('tbody')[0];
   8                 var row = document.createElement('tr');
   9                 tbody.appendChild(row);
  10
  11                 row.appendChild(document.createElement('td'));
  12                 var col2 = document.createElement('td');
  13                 row.appendChild(col2);
  14
  15                 var check = document.createElement('input');
  16                 check.id = "mwProtectUnchained";
  17                 check.type = "checkbox";
  18                 check.onclick = protectChainUpdate;
  19                 col2.appendChild(check);
  20
  21                 var space = document.createTextNode(" ");
  22                 col2.appendChild(space);
  23
  24                 var label = document.createElement('label');
  25                 label.setAttribute("for", "mwProtectUnchained");
  26                 label.appendChild(document.createTextNode(labelText));
  27                 col2.appendChild(label);
  28
  29                 if (protectAllMatch()) {
  30                         check.checked = false;
  31                         protectEnable(false);
  32                 } else {
  33                         check.checked = true;
  34                         protectEnable(true);
  35                 }
  36
  37                 return true;
  38         }
  39         return false;
  40 }
  41
  42 function protectLevelsUpdate(source) {
  43         if (!protectUnchained()) {
  44                 protectUpdateAll(source.selectedIndex);
  45         }
  46 }
  47
  48 function protectChainUpdate() {
  49         if (protectUnchained()) {
  50                 protectEnable(true);
  51         } else {
  52                 protectChain();
  53                 protectEnable(false);
  54         }
  55 }
  56
  57
  58 function protectAllMatch() {
  59         var values = new Array();
  60         protectForSelectors(function(set) {
  61                 values[values.length] = set.selectedIndex;
  62         });
  63         for (var i = 1; i < values.length; i++) {
  64                 if (values[i] != values[0]) {
  65                         return false;
  66                 }
  67         }
  68         return true;
  69 }
  70
  71 function protectUnchained() {
  72         var unchain = document.getElementById("mwProtectUnchained");
  73         if (!unchain) {
  74                 alert("This shouldn't happen");
  75                 return false;
  76         }
  77         return unchain.checked;
  78 }
  79
  80 function protectChain() {
  81         // Find the highest-protected action and bump them all to this level
  82         var maxIndex = -1;
  83         protectForSelectors(function(set) {
  84                 if (set.selectedIndex > maxIndex) {
  85                         maxIndex = set.selectedIndex;
  86                 }
  87         });
  88         protectUpdateAll(maxIndex);
  89 }
  90
  91 function protectUpdateAll(index) {
  92         protectForSelectors(function(set) {
  93                 if (set.selectedIndex != index) {
  94                         set.selectedIndex = index;
  95                 }
  96         });
  97 }
  98
  99 function protectForSelectors(func) {
 100         var selectors = protectSelectors();
 101         for (var i = 0; i < selectors.length; i++) {
 102                 func(selectors[i]);
 103         }
 104 }
 105
 106 function protectSelectors() {
 107         var all = document.getElementsByTagName("select");
 108         var ours = new Array();
 109         for (var i = 0; i < all.length; i++) {
 110                 var set = all[i];
 111                 if (set.id.match(/^mwProtect-level-/)) {
 112                         ours[ours.length] = set;
 113                 }
 114         }
 115         return ours;
 116 }
 117
 118 function protectEnable(val) {
 119         // fixme
 120         var first = true;
 121         protectForSelectors(function(set) {
 122                 if (first) {
 123                         first = false;
 124                 } else {
 125                         set.disabled = !val;
 126                         set.style.visible = val ? "visible" : "hidden";
 127                 }
 128         });
 129 }