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