Участник:Bezik/rfd-closed-backlighter.js

closedRFDsHiglighter = {
	'init' : function() {
		// Function to set up uncollapser
		addUncollapser = function( targetNode, id ) {
			var uncollapser = document.createElement( "div" )
			uncollapser.setAttribute( "class", "closedRFD-uncollapse" );
			uncollapser.innerHTML = '[<a href="javascript:closedRFDsHiglighter.uncollapse(' + id + ')">развернуть</a>]';
			targetNode.appendChild( uncollapser );
		}
		
		// Setup CSS
		mw.loader.load( '//ru.wikipedia.org/w/index.php?title=User:Bezik/rfd-closed-backlighter.css&action=raw&ctype=text/css', 'text/css' );
		
		// Create divs. If targetDiv is set, all nodes will be added to it
		// until the header of targetLevel (or larger) will be encountered
		var root = $( "#mw-content-text" )[0];
		var targetDiv = null;
		var targetLevel = null;
		var targetID = 0;
		for( var i = 0; i < root.childNodes.length; i++ ) {
			var cur = root.childNodes[i];
			var isHeader = cur.nodeType == Node.ELEMENT_NODE && /H\d/.test( cur.tagName );
			
			if( targetDiv ) {
				// Addition mode
				if( isHeader && parseInt( cur.tagName[1] ) <= targetLevel ) {
					// End div
					addUncollapser( targetDiv, targetID );
					
					targetDiv = null;
					targetLevel = null;
					i--;
				} else {
					// Move node to div
					root.removeChild( cur );
					targetDiv.appendChild( cur );
					$(cur).addClass( "closedRFD-collapsible" );
					i--;
				}
			} else {
				// Search mode
				if( !isHeader )
					continue;
				
				if( !$( "s", cur ).length )
					continue;
				
				targetID++;
				targetDiv = document.createElement( "div" );
				targetDiv.setAttribute( "class", "closedRFD" );
				targetDiv.setAttribute( "id", "closedRFD-div" + targetID );
				targetLevel = parseInt( cur.tagName[1] );
				root.insertBefore( targetDiv, cur );
				root.removeChild( cur );
				targetDiv.appendChild( cur );
			}
		}
		// Handle case when last section is closed
		if( targetDiv ) {
			addUncollapser( targetDiv, targetID );
		}
		
		// Hide all uncollapse links
		$( ".closedRFD-uncollapse" ).hide();
		
		// Add "collapse all" link
		var controlLink = document.createElement( "div" );
		controlLink.setAttribute( "class", "closedRFD-control" );
		controlLink.innerHTML = '[<a id="closedRFD-collapselink" href="javascript:closedRFDsHiglighter.collapseAll()">свернуть все закрытые секции</a>]'
			+ ' &bull; [<a id="closedRFD-hidelink" href="javascript:closedRFDsHiglighter.hideAll()">скрыть закрытые секции</a>]';
		root.insertBefore( controlLink, root.childNodes[0] );

		// If we were given a section link, it is probably screwed up now. Fix this
		if( location.hash != null && location.hash != '' ) {
			var tmp = location.hash;
			location.hash = '';
			location.hash = tmp;
		}
	},
	
	'collapse' : function( id ) {
		var nodeID = "#closedRFD-div" + id;
		$( nodeID + " .closedRFD-collapsible" ).hide();
		$( nodeID + " .closedRFD-uncollapse" ).show();
	},
	
	'uncollapse' : function( id ) {
		var nodeID = "#closedRFD-div" + id;
		$( nodeID + " .closedRFD-collapsible" ).show();
		$( nodeID + " .closedRFD-uncollapse" ).hide();
	},
	
	'collapseAll' : function() {
		$( ".closedRFD-collapsible" ).hide();
		$( ".closedRFD-uncollapse" ).show();
		
		var controlLink = $( "#closedRFD-collapselink" )[0]
		controlLink.setAttribute( "href", "javascript:closedRFDsHiglighter.uncollapseAll()" );
		controlLink.innerHTML = "развернуть все закрытые секции";
	},
	
	'uncollapseAll' : function() {
		$( ".closedRFD-collapsible" ).show();
		$( ".closedRFD-uncollapse" ).hide();
		
		var controlLink = $( "#closedRFD-collapselink" )[0]
		controlLink.setAttribute( "href", "javascript:closedRFDsHiglighter.collapseAll()" );
		controlLink.innerHTML = "свернуть все закрытые секции";
	},
	
	'hideAll' : function() {
		$( ".closedRFD" ).hide();
		
		var controlLink = $( "#closedRFD-hidelink" )[0]
		controlLink.setAttribute( "href", "javascript:closedRFDsHiglighter.showAll()" );
		controlLink.innerHTML = "показать закрытые секции";
	},
	
	'showAll' : function() {
		$( ".closedRFD" ).show();
		
		var controlLink = $( "#closedRFD-hidelink" )[0]
		controlLink.setAttribute( "href", "javascript:closedRFDsHiglighter.hideAll()" );
		controlLink.innerHTML = "скрыть закрытые секции";
	}
}

if( /^Википедия:К_(удалению|переименованию)\//.test(wgPageName) && wgAction == 'view' )
	addOnloadHook( closedRFDsHiglighter.init );