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.addEventListener( 'click', protectChainUpdate, false );
  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                 allowCascade();
  38
  39                 return true;
  40         }
  41         return false;
  42 }
  43
  44 function allowCascade() {
  45         var lists = protectSelectors();
  46         for( var i = 0; i < lists.length; i++ ) {
  47                 if( lists[i].selectedIndex > -1 ) {
  48                         var items = lists[i].getElementsByTagName( 'option' );
  49                         var selected = items[ lists[i].selectedIndex ].value;
  50                         if( wgCascadeableLevels.indexOf( selected ) == -1 ) {
  51                                 document.getElementById( 'mwProtect-cascade' ).checked = false;
  52                                 document.getElementById( 'mwProtect-cascade' ).disabled = true;
  53                                 return false;
  54                         }
  55                 }
  56         }
  57         document.getElementById( 'mwProtect-cascade' ).disabled = false;
  58         return true;
  59 }
  60
  61 function protectLevelsUpdate(source) {
  62         if (!protectUnchained()) {
  63                 protectUpdateAll(source.selectedIndex);
  64         }
  65         allowCascade();
  66 }
  67
  68 function protectChainUpdate() {
  69         if (protectUnchained()) {
  70                 protectEnable(true);
  71         } else {
  72                 protectChain();
  73                 protectEnable(false);
  74         }
  75         allowCascade();
  76 }
  77
  78
  79 function protectAllMatch() {
  80         var values = new Array();
  81         protectForSelectors(function(set) {
  82                 values[values.length] = set.selectedIndex;
  83         });
  84         for (var i = 1; i < values.length; i++) {
  85                 if (values[i] != values[0]) {
  86                         return false;
  87                 }
  88         }
  89         return true;
  90 }
  91
  92 function protectUnchained() {
  93         var unchain = document.getElementById("mwProtectUnchained");
  94         if (!unchain) {
  95                 alert("This shouldn't happen");
  96                 return false;
  97         }
  98         return unchain.checked;
  99 }
 100
 101 function protectChain() {
 102         // Find the highest-protected action and bump them all to this level
 103         var maxIndex = -1;
 104         protectForSelectors(function(set) {
 105                 if (set.selectedIndex > maxIndex) {
 106                         maxIndex = set.selectedIndex;
 107                 }
 108         });
 109         protectUpdateAll(maxIndex);
 110 }
 111
 112 function protectUpdateAll(index) {
 113         protectForSelectors(function(set) {
 114                 if (set.selectedIndex != index) {
 115                         set.selectedIndex = index;
 116                 }
 117         });
 118 }
 119
 120 function protectForSelectors(func) {
 121         var selectors = protectSelectors();
 122         for (var i = 0; i < selectors.length; i++) {
 123                 func(selectors[i]);
 124         }
 125 }
 126
 127 function protectSelectors() {
 128         var all = document.getElementsByTagName("select");
 129         var ours = new Array();
 130         for (var i = 0; i < all.length; i++) {
 131                 var set = all[i];
 132                 if (set.id.match(/^mwProtect-level-/)) {
 133                         ours[ours.length] = set;
 134                 }
 135         }
 136         return ours;
 137 }
 138
 139 function protectEnable(val) {
 140         // fixme
 141         var first = true;
 142         protectForSelectors(function(set) {
 143                 if (first) {
 144                         first = false;
 145                 } else {
 146                         set.disabled = !val;
 147                         set.style.visible = val ? "visible" : "hidden";
 148                 }
 149         });
 150 }