var ProtectionForm = { 'existingMatch': false, /** * Set up the protection chaining interface (i.e. "unlock move permissions" checkbox) * on the protection form * * @param Object opts : parameters with members: * tableId Identifier of the table containing UI bits * labelText Text to use for the checkbox label * numTypes The number of protection types * existingMatch True if all the existing expiry times match */ 'init': function( opts ) { if( !( document.createTextNode && document.getElementById && document.getElementsByTagName ) ) return false; var box = document.getElementById( opts.tableId ); if( !box ) return false; var boxbody = box.getElementsByTagName('tbody')[0] var row = document.createElement( 'tr' ); boxbody.insertBefore( row, boxbody.firstChild.nextSibling ); this.existingMatch = opts.existingMatch; var cell = document.createElement( 'td' ); row.appendChild( cell ); // If there is only one protection type, there is nothing to chain if( opts.numTypes > 1 ) { var check = document.createElement( 'input' ); check.id = 'mwProtectUnchained'; check.type = 'checkbox'; cell.appendChild( check ); addClickHandler( check, function() { ProtectionForm.onChainClick(); } ); cell.appendChild( document.createTextNode( ' ' ) ); var label = document.createElement( 'label' ); label.htmlFor = 'mwProtectUnchained'; label.appendChild( document.createTextNode( opts.labelText ) ); cell.appendChild( label ); check.checked = !this.areAllTypesMatching(); this.enableUnchainedInputs( check.checked ); } this.updateCascadeCheckbox(); return true; }, /** * Sets the disabled attribute on the cascade checkbox depending on the current selected levels */ 'updateCascadeCheckbox': function() { // For non-existent titles, there is no cascade option if( !document.getElementById( 'mwProtect-cascade' ) ) { return; } var lists = this.getLevelSelectors(); for( var i = 0; i < lists.length; i++ ) { if( lists[i].selectedIndex > -1 ) { var items = lists[i].getElementsByTagName( 'option' ); var selected = items[ lists[i].selectedIndex ].value; if( !this.isCascadeableLevel(selected) ) { document.getElementById( 'mwProtect-cascade' ).checked = false; document.getElementById( 'mwProtect-cascade' ).disabled = true; return; } } } document.getElementById( 'mwProtect-cascade' ).disabled = false; }, /** * Is this protection level cascadeable? * @param String level * * @return boolean * */ 'isCascadeableLevel': function( level ) { for (var k = 0; k < wgCascadeableLevels.length; k++) { if ( wgCascadeableLevels[k] == level ) { return true; } } return false; }, /** * When protection levels are locked together, update the rest * when one action's level changes * * @param Element source Level selector that changed */ 'updateLevels': function(source) { if( !this.isUnchained() ) this.setAllSelectors( source.selectedIndex ); this.updateCascadeCheckbox(); }, /** * When protection levels are locked together, update the * expiries when one changes * * @param Element source expiry input that changed */ 'updateExpiry': function(source) { if( !this.isUnchained() ) { var expiry = source.value; this.forEachExpiryInput(function(element) { element.value = expiry; }); } var listId = source.id.replace( /^mwProtect-(\w+)-expires$/, 'mwProtectExpirySelection-$1' ); var list = document.getElementById( listId ); if (list && list.value != 'othertime' ) { if ( this.isUnchained() ) { list.value = 'othertime'; } else { this.forEachExpirySelector(function(element) { element.value = 'othertime'; }); } } }, /** * When protection levels are locked together, update the * expiry lists when one changes and clear the custom inputs * * @param Element source expiry selector that changed */ 'updateExpiryList': function(source) { if( !this.isUnchained() ) { var expiry = source.value; this.forEachExpirySelector(function(element) { element.value = expiry; }); this.forEachExpiryInput(function(element) { element.value = ''; }); } }, /** * Update chain status and enable/disable various bits of the UI * when the user changes the "unlock move permissions" checkbox */ 'onChainClick': function() { if( this.isUnchained() ) { this.enableUnchainedInputs( true ); } else { this.setAllSelectors( this.getMaxLevel() ); this.enableUnchainedInputs( false ); } this.updateCascadeCheckbox(); }, /** * Returns true if the named attribute in all objects in the given array are matching */ 'matchAttribute' : function( objects, attrName ) { var value = null; // Check levels for ( var i = 0; i < objects.length; i++ ) { var element = objects[i]; if ( value == null ) { value = element[attrName]; } else { if ( value != element[attrName] ) { return false; } } } return true; }, /** * Are all actions protected at the same level, with the same expiry time? * * @return boolean */ 'areAllTypesMatching': function() { return this.existingMatch && this.matchAttribute( this.getLevelSelectors(), 'selectedIndex' ) && this.matchAttribute( this.getExpirySelectors(), 'selectedIndex' ) && this.matchAttribute( this.getExpiryInputs(), 'value' ); }, /** * Is protection chaining off? * * @return bool */ 'isUnchained': function() { var element = document.getElementById( 'mwProtectUnchained' ); return element ? element.checked : true; // No control, so we need to let the user set both levels }, /** * Find the highest protection level in any selector */ 'getMaxLevel': function() { var maxIndex = -1; this.forEachLevelSelector(function(element) { if (element.selectedIndex > maxIndex) { maxIndex = element.selectedIndex; } }); return maxIndex; }, /** * Protect all actions at the specified level * * @param int index Protection level */ 'setAllSelectors': function(index) { this.forEachLevelSelector(function(element) { if (element.selectedIndex != index) { element.selectedIndex = index; } }); }, /** * Apply a callback to each protection selector * * @param callable func Callback function */ 'forEachLevelSelector': function(func) { var selectors = this.getLevelSelectors(); for (var i = 0; i < selectors.length; i++) { func(selectors[i]); } }, /** * Get a list of all protection selectors on the page * * @return Array */ 'getLevelSelectors': function() { var all = document.getElementsByTagName("select"); var ours = new Array(); for (var i = 0; i < all.length; i++) { var element = all[i]; if (element.id.match(/^mwProtect-level-/)) { ours[ours.length] = element; } } return ours; }, /** * Apply a callback to each expiry input * * @param callable func Callback function */ 'forEachExpiryInput': function(func) { var inputs = this.getExpiryInputs(); for (var i = 0; i < inputs.length; i++) { func(inputs[i]); } }, /** * Get a list of all expiry inputs on the page * * @return Array */ 'getExpiryInputs': function() { var all = document.getElementsByTagName("input"); var ours = new Array(); for (var i = 0; i < all.length; i++) { var element = all[i]; if (element.name.match(/^mwProtect-expiry-/)) { ours[ours.length] = element; } } return ours; }, /** * Apply a callback to each expiry selector list * @param callable func Callback function */ 'forEachExpirySelector': function(func) { var inputs = this.getExpirySelectors(); for (var i = 0; i < inputs.length; i++) { func(inputs[i]); } }, /** * Get a list of all expiry selector lists on the page * * @return Array */ 'getExpirySelectors': function() { var all = document.getElementsByTagName("select"); var ours = new Array(); for (var i = 0; i < all.length; i++) { var element = all[i]; if (element.id.match(/^mwProtectExpirySelection-/)) { ours[ours.length] = element; } } return ours; }, /** * Enable/disable protection selectors and expiry inputs * * @param boolean val Enable? */ 'enableUnchainedInputs': function(val) { var first = true; this.forEachLevelSelector(function(element) { if (first) { first = false; } else { element.disabled = !val; } }); first = true; this.forEachExpiryInput(function(element) { if (first) { first = false; } else { element.disabled = !val; } }); first = true; this.forEachExpirySelector(function(element) { if (first) { first = false; } else { element.disabled = !val; } }); } }