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                 allowCascade();
  38
  39                 return true;
  40         }
  41         return false;
  42 }
  43
  44 function allowCascade() {
  45         var pr_types = document.getElementsByTagName("select");
  46         for (var i = 0; i < pr_types.length; i++) {
  47                 if (pr_types[i].id.match(/^mwProtect-level-/)) {
  48                         var selected_level = pr_types[i].getElementsByTagName("option")[pr_types[i].selectedIndex].value;
  49                         if ( !isCascadeableLevel(selected_level) ) {
  50                                 document.getElementById('mwProtect-cascade').checked=false;
  51                                 document.getElementById('mwProtect-cascade').disabled=true;
  52                                 return false;
  53                         }
  54                 }
  55         }
  56         document.getElementById('mwProtect-cascade').disabled=false;
  57         return true;
  58 }
  59
  60 function isCascadeableLevel( level ) {
  61         for (var k = 0; k < wgCascadeableLevels.length; k++) {
  62                 if ( wgCascadeableLevels[k] == level ) {
  63                         return true;
  64                 }
  65         }
  66         return false;
  67 }
  68
  69 function protectLevelsUpdate(source) {
  70         if (!protectUnchained()) {
  71                 protectUpdateAll(source.selectedIndex);
  72         }
  73         allowCascade();
  74 }
  75
  76 function protectChainUpdate() {
  77         if (protectUnchained()) {
  78                 protectEnable(true);
  79         } else {
  80                 protectChain();
  81                 protectEnable(false);
  82         }
  83         allowCascade();
  84 }
  85
  86
  87 function protectAllMatch() {
  88         var values = new Array();
  89         protectForSelectors(function(set) {
  90                 values[values.length] = set.selectedIndex;
  91         });
  92         for (var i = 1; i < values.length; i++) {
  93                 if (values[i] != values[0]) {
  94                         return false;
  95                 }
  96         }
  97         return true;
  98 }
  99
 100 function protectUnchained() {
 101         var unchain = document.getElementById("mwProtectUnchained");
 102         if (!unchain) {
 103                 alert("This shouldn't happen");
 104                 return false;
 105         }
 106         return unchain.checked;
 107 }
 108
 109 function protectChain() {
 110         // Find the highest-protected action and bump them all to this level
 111         var maxIndex = -1;
 112         protectForSelectors(function(set) {
 113                 if (set.selectedIndex > maxIndex) {
 114                         maxIndex = set.selectedIndex;
 115                 }
 116         });
 117         protectUpdateAll(maxIndex);
 118 }
 119
 120 function protectUpdateAll(index) {
 121         protectForSelectors(function(set) {
 122                 if (set.selectedIndex != index) {
 123                         set.selectedIndex = index;
 124                 }
 125         });
 126 }
 127
 128 function protectForSelectors(func) {
 129         var selectors = protectSelectors();
 130         for (var i = 0; i < selectors.length; i++) {
 131                 func(selectors[i]);
 132         }
 133 }
 134
 135 function protectSelectors() {
 136         var all = document.getElementsByTagName("select");
 137         var ours = new Array();
 138         for (var i = 0; i < all.length; i++) {
 139                 var set = all[i];
 140                 if (set.id.match(/^mwProtect-level-/)) {
 141                         ours[ours.length] = set;
 142                 }
 143         }
 144         return ours;
 145 }
 146
 147 function protectEnable(val) {
 148         // fixme
 149         var first = true;
 150         protectForSelectors(function(set) {
 151                 if (first) {
 152                         first = false;
 153                 } else {
 154                         set.disabled = !val;
 155                         set.style.visible = val ? "visible" : "hidden";
 156                 }
 157         });
 158 }