/**
 * Toolbar module for wikiEditor
 */
/*jshint onevar:false */
( function ( mw, $ ) { $.wikiEditor.modules.toolbar = {

/**
 * API accessible functions
 */
api: {
	addToToolbar: function ( context, data ) {

		var smooth = true, type, i;

		for ( type in data ) {
			switch ( type ) {
				case 'sections':
					var $sections = context.modules.toolbar.$toolbar.find( 'div.sections' ),
						$tabs = context.modules.toolbar.$toolbar.find( 'div.tabs' );
					for ( var section in data[type] ) {
						if ( section === 'main' ) {
							// Section
							context.modules.toolbar.$toolbar.prepend(
								$.wikiEditor.modules.toolbar.fn.buildSection(
									context, section, data[type][section]
								)
							);
							continue;
						}
						// Section
						$sections.append(
							$.wikiEditor.modules.toolbar.fn.buildSection( context, section, data[type][section] )
						);
						// Tab
						$tabs.append(
							$.wikiEditor.modules.toolbar.fn.buildTab( context, section, data[type][section] )
						);
					}
					break;
				case 'groups':
					if ( !( 'section' in data ) ) {
						continue;
					}
					var $section = context.modules.toolbar.$toolbar.find( 'div[rel="' + data.section + '"].section' );
					for ( var group in data[type] ) {
						// Group
						$section.append(
							$.wikiEditor.modules.toolbar.fn.buildGroup( context, group, data[type][group] )
						);
					}
					smooth = false;
					break;
				case 'tools':
					if ( !( 'section' in data && 'group' in data ) ) {
						continue;
					}
					var $group = context.modules.toolbar.$toolbar.find(
						'div[rel="' + data.section + '"].section ' + 'div[rel="' + data.group + '"].group'
					);
					for ( var tool in data[type] ) {
						// Tool
						$group.append( $.wikiEditor.modules.toolbar.fn.buildTool( context, tool, data[type][tool] ) );
					}
					if ( $group.children().length ) {
						$group.removeClass( 'empty' );
					}
					smooth = false;
					break;
				case 'pages':
					if ( !( 'section' in data ) ) {
						continue;
					}
					var $pages = context.modules.toolbar.$toolbar.find(
						'div[rel="' + data.section + '"].section .pages'
					);
					var $index = context.modules.toolbar.$toolbar.find(
						'div[rel="' + data.section + '"].section .index'
					);
					for ( var page in data[type] ) {
						// Page
						$pages.append( $.wikiEditor.modules.toolbar.fn.buildPage( context, page, data[type][page] ) );
						// Index
						$index.append(
							$.wikiEditor.modules.toolbar.fn.buildBookmark( context, page, data[type][page] )
						);
					}
					$.wikiEditor.modules.toolbar.fn.updateBookletSelection( context, page, $pages, $index );
					smooth = false;
					break;
				case 'rows':
					if ( !( 'section' in data && 'page' in data ) ) {
						continue;
					}
					var $table = context.modules.toolbar.$toolbar.find(
						'div[rel="' + data.section + '"].section ' + 'div[rel="' + data.page + '"].page table'
					);
					for ( i = 0; i < data.rows.length; i++ ) {
						// Row
						$table.append( $.wikiEditor.modules.toolbar.fn.buildRow( context, data.rows[i] ) );
					}
					smooth = false;
					break;
				case 'characters':
					if ( !( 'section' in data && 'page' in data ) ) {
						continue;
					}
					var $characters = context.modules.toolbar.$toolbar.find(
						'div[rel="' + data.section + '"].section ' + 'div[rel="' + data.page + '"].page div'
					);
					var actions = $characters.data( 'actions' );
					for ( i = 0; i < data.characters.length; i++ ) {
						// Character
						$characters
						.append(
							$( $.wikiEditor.modules.toolbar.fn.buildCharacter( data.characters[i], actions ) )
								.mousedown( function ( e ) {
									context.fn.saveCursorAndScrollTop();
									// No dragging!
									e.preventDefault();
									return false;
								} )
								.click( function ( e ) {
									$.wikiEditor.modules.toolbar.fn.doAction( $( this ).parent().data( 'context' ),
										$( this ).parent().data( 'actions' )[$( this ).attr( 'rel' )] );
									e.preventDefault();
									return false;
								} )
						);
					}
					smooth = false;
					break;
				default: break;
			}
		}

		// Fix div.section size after adding things; if smooth is true uses a smooth
		// animation, otherwise just change height (breaking any ongoing animation)
		var $divSections = context.modules.toolbar.$toolbar.find( 'div.sections' );
		var $visibleSection = $divSections.find( '.section-visible' );
		if ( $visibleSection.size() ) {
			if ( smooth ) {
				$divSections.animate( { 'height': $visibleSection.outerHeight() }, 'fast' );
			} else {
				$divSections.height( $visibleSection.outerHeight() );
			}
		}
	},
	removeFromToolbar: function ( context, data ) {
		if ( typeof data.section === 'string' ) {
			// Section
			var tab = 'div.tabs span[rel="' + data.section + '"].tab';
			var target = 'div[rel="' + data.section + '"].section';
			var group = null;
			if ( typeof data.group === 'string' ) {
				// Toolbar group
				target += ' div[rel="' + data.group + '"].group';
				if ( typeof data.tool === 'string' ) {
					// Save for later checking if empty
					group = target;
					// Tool
					target = target + ' [rel="' + data.tool + '"].tool';
				}
			} else if ( typeof data.page === 'string' ) {
				// Booklet page
				var index = target + ' div.index div[rel="' + data.page + '"]';
				target += ' div.pages div[rel="' + data.page + '"].page';
				if ( typeof data.character === 'string' ) {
					// Character
					target += ' span[rel="' + data.character + '"]';
				} else if ( typeof data.row === 'number' ) {
					// Table row
					target += ' table tr:not(:has(th)):eq(' + data.row + ')';
				} else {
					// Just a page, remove the index too!
					context.modules.toolbar.$toolbar.find( index ).remove();
					$.wikiEditor.modules.toolbar.fn.updateBookletSelection(
						context,
						null,
						context.modules.toolbar.$toolbar.find( target ),
						context.modules.toolbar.$toolbar.find( index )
					);
				}
			} else {
				// Just a section, remove the tab too!
				context.modules.toolbar.$toolbar.find( tab ).remove();
			}
			context.modules.toolbar.$toolbar.find( target ).remove();
			// Hide empty groups
			if ( group ) {
				var $group = context.modules.toolbar.$toolbar.find( group );
				if ( $group.children().length === 0 ) {
					$group.addClass( 'empty' );
				}
			}
		}
	}
},
/**
 * Event handlers
 */
evt: {
	/**
	 * @param context
	 * @param event
	 */
	resize: function ( context ) {
		context.$ui.find( '.sections' ).height( context.$ui.find( '.sections .section-visible' ).outerHeight() );
	}
},
/**
 * Internally used functions
 */
fn: {
	/**
	 * Creates a toolbar module within a wikiEditor
	 *
	 * @param {Object} context Context object of editor to create module in
	 * @param {Object} config Configuration object to create module from
	 */
	create: function ( context, config ) {
		if ( '$toolbar' in context.modules.toolbar ) {
			return;
		}
		context.modules.toolbar.$toolbar = $( '<div>' )
			.addClass( 'wikiEditor-ui-toolbar' )
			.attr( 'id', 'wikiEditor-ui-toolbar' );
		$.wikiEditor.modules.toolbar.fn.build( context, config );
		context.$ui.find( '.wikiEditor-ui-top' ).append( context.modules.toolbar.$toolbar );
	},
	/**
	 * Performs an operation based on parameters
	 *
	 * @param {Object} context
	 * @param {Object} action
	 * @param {Object} source
	 */
	doAction: function ( context, action ) {
		switch ( action.type ) {
			case 'replace':
			case 'encapsulate':
				var parts = {
					'pre': $.wikiEditor.autoMsg( action.options, 'pre' ),
					'peri': $.wikiEditor.autoMsg( action.options, 'peri' ),
					'post': $.wikiEditor.autoMsg( action.options, 'post' )
				};
				var replace = action.type === 'replace';
				if ( 'regex' in action.options && 'regexReplace' in action.options ) {
					var selection = context.$textarea.textSelection( 'getSelection' );
					if ( selection !== '' && selection.match( action.options.regex ) ) {
						parts.peri = selection.replace( action.options.regex,
							action.options.regexReplace );
						parts.pre = parts.post = '';
						replace = true;
					}
				}
				context.$textarea.textSelection(
					'encapsulateSelection',
					$.extend( {}, action.options, parts, { 'replace': replace } )
				);
				break;
			case 'callback':
				if ( typeof action.execute === 'function' ) {
					action.execute( context );
				}
				break;
			case 'dialog':
				context.fn.saveSelection();
				context.$textarea.wikiEditor( 'openDialog', action.module );
				break;
			default: break;
		}
	},
	buildGroup: function ( context, id, group ) {
		var $group = $( '<div>' ).attr( { 'class': 'group group-' + id, 'rel': id } );
		var label = $.wikiEditor.autoMsg( group, 'label' );
		if ( label ) {
			var $label = $( '<span />' )
				.addClass( 'label' )
				.html( label );
			$group.append( $label );
		}
		var empty = true;
		if ( 'tools' in group ) {
			for ( var tool in group.tools ) {
				tool = $.wikiEditor.modules.toolbar.fn.buildTool( context, tool, group.tools[tool] );
				if ( tool ) {
					// Consider a group with only hidden tools empty as well
					// .is( ':visible' ) always returns false because tool is not attached to the DOM yet
					empty = empty && tool.css( 'display' ) === 'none';
					$group.append( tool );
				}
			}
		}
		if ( empty ) {
			$group.addClass( 'empty' );
		}
		return $group;
	},
	buildTool: function ( context, id, tool ) {
		if ( 'filters' in tool ) {
			for ( var i = 0; i < tool.filters.length; i++ ) {
				if ( $( tool.filters[i] ).size() === 0 ) {
					return null;
				}
			}
		}
		var label = $.wikiEditor.autoMsg( tool, 'label' );
		switch ( tool.type ) {
			case 'button':
				var src = $.wikiEditor.autoIcon( tool.icon, $.wikiEditor.imgPath + 'toolbar/' );
				var $button = null;
				if ( 'offset' in tool ) {
					var offsetOrIcon = $.wikiEditor.autoIconOrOffset( tool.icon, tool.offset,
						$.wikiEditor.imgPath + 'toolbar/'
					);
					if ( typeof offsetOrIcon === 'object' ) {
						$button = $( '<a>' )
							.attr( {
								'href': '#',
								'title': label,
								'rel': id,
								'role': 'button',
								'class': 'tool tool-button wikiEditor-toolbar-spritedButton'
							} )
							.text( label )
							.css( 'backgroundPosition', offsetOrIcon[0] + 'px ' + offsetOrIcon[1] + 'px' );
					}
				}
				if ( !$button ) {
					$button = $( '<img>' )
						.attr( {
							'src': src,
							'width': 22,
							'height': 22,
							'alt': label,
							'title': label,
							'rel': id,
							'role': 'button',
							'class': 'tool tool-button'
						} );
				}
				if ( 'action' in tool ) {
					$button
						.data( 'action', tool.action )
						.data( 'context', context )
						.mousedown( function ( e ) {
							context.fn.saveCursorAndScrollTop();
							// No dragging!
							e.preventDefault();
							return false;
						} )
						.click( function ( e ) {
							$.wikiEditor.modules.toolbar.fn.doAction(
								$( this ).data( 'context' ), $( this ).data( 'action' ), $( this )
							);
							e.preventDefault();
							return false;
						} );
				}
				return $button;
			case 'select':
				var $select = $( '<div>' )
					.attr( { 'rel': id, 'class': 'tool tool-select' } );
				var $options = $( '<div>' ).addClass( 'options' );
				if ( 'list' in tool ) {
					for ( var option in tool.list ) {
						var optionLabel = $.wikiEditor.autoMsg( tool.list[option], 'label' );
						$options.append(
							$( '<a>' )
								.data( 'action', tool.list[option].action )
								.data( 'context', context )
								.mousedown( function ( e ) {
									context.fn.saveCursorAndScrollTop();
									// No dragging!
									e.preventDefault();
									return false;
								} )
								.click( function ( e ) {
									$.wikiEditor.modules.toolbar.fn.doAction(
										$( this ).data( 'context' ), $( this ).data( 'action' ), $( this )
									);
									// Hide the dropdown
									// Sanity check: if this somehow gets called while the dropdown
									// is hidden, don't show it
									if ( $( this ).parent().is( ':visible' ) ) {
										$( this ).parent().animate( { 'opacity': 'toggle' }, 'fast' );
									}
									e.preventDefault();
									return false;
								} )
								.text( optionLabel )
								.addClass( 'option' )
								.attr( { 'rel': option, 'href': '#' } )
						);
					}
				}
				$select.append( $( '<div>' ).addClass( 'menu' ).append( $options ) );
				$select.append( $( '<a>' )
						.addClass( 'label' )
						.text( label )
						.data( 'options', $options )
						.attr( 'href', '#' )
						.mousedown( function ( e ) {
							// No dragging!
							e.preventDefault();
							return false;
						} )
						.click( function ( e ) {
							$( this ).data( 'options' ).animate( { 'opacity': 'toggle' }, 'fast' );
							e.preventDefault();
							return false;
						} )
				);
				return $select;
			default:
				return null;
		}
	},
	buildBookmark: function ( context, id, page ) {
		var label = $.wikiEditor.autoMsg( page, 'label' );
		return $( '<div>' )
			.text( label )
			.attr( 'rel', id )
			.data( 'context', context )
			.mousedown( function ( e ) {
				context.fn.saveCursorAndScrollTop();
				// No dragging!
				e.preventDefault();
				return false;
			} )
			.click( function ( event ) {
				$( this ).parent().parent().find( '.page' ).hide();
				$( this ).parent().parent().find( '.page-' + $( this ).attr( 'rel' ) ).show();
				$( this ).siblings().removeClass( 'current' );
				$( this ).addClass( 'current' );
				var section = $( this ).parent().parent().attr( 'rel' );
				$.cookie(
					'wikiEditor-' + $( this ).data( 'context' ).instance + '-booklet-' + section + '-page',
					$( this ).attr( 'rel' ),
					{ expires: 30, path: '/' }
				);
				context.fn.restoreCursorAndScrollTop();
				// No dragging!
				event.preventDefault();
				return false;
			} );
	},
	buildPage: function ( context, id, page ) {
		var html, i;
		var $page = $( '<div>' ).attr( {
			'class': 'page page-' + id,
			'rel': id
		} );
		switch ( page.layout ) {
			case 'table':
				$page.addClass( 'page-table' );
				html =
					'<table class="table-' + id + '">';
				if ( 'headings' in page ) {
					html += $.wikiEditor.modules.toolbar.fn.buildHeading( context, page.headings );
				}
				if ( 'rows' in page ) {
					for ( i = 0; i < page.rows.length; i++ ) {
						html += $.wikiEditor.modules.toolbar.fn.buildRow( context, page.rows[i] );
					}
				}
				$page.html( html + '</table>' );
				break;
			case 'characters':
				$page.addClass( 'page-characters' );
				var $characters = $( '<div>' ).data( 'context', context ).data( 'actions', {} );
				var actions = $characters.data( 'actions' );
				if ( 'language' in page ) {
					$characters.attr( 'lang', page.language );
				}
				if ( 'direction' in page ) {
					$characters.attr( 'dir', page.direction );
				} else {
					// By default it should be explicit ltr for all scripts.
					// Without this some conjoined ltr characters look
					// weird in rtl wikis.
					$characters.attr( 'dir', 'ltr' );
				}
				if ( 'characters' in page ) {
					html = '';
					for ( i = 0; i < page.characters.length; i++ ) {
						html += $.wikiEditor.modules.toolbar.fn.buildCharacter( page.characters[i], actions );
					}
					$characters
						.html( html )
						.children()
						.mousedown( function ( e ) {
							context.fn.saveCursorAndScrollTop();
							// No dragging!
							e.preventDefault();
							return false;
						} )
						.click( function ( e ) {
							$.wikiEditor.modules.toolbar.fn.doAction(
								$( this ).parent().data( 'context' ),
								$( this ).parent().data( 'actions' )[$( this ).attr( 'rel' )],
								$( this )
							);
							e.preventDefault();
							return false;
						} );
				}
				$page.append( $characters );
				break;
		}
		return $page;
	},
	buildHeading: function ( context, headings ) {
		var html = '<tr>';
		for ( var i = 0; i< headings.length; i++ ) {
			html += '<th>' + $.wikiEditor.autoMsg( headings[i], ['html', 'text'] ) + '</th>';
		}
		return html + '</tr>';
	},
	buildRow: function ( context, row ) {
		var html = '<tr>';
		for ( var cell in row ) {
			html += '<td class="cell cell-' + cell + '"><span>' +
				$.wikiEditor.autoMsg( row[cell], ['html', 'text'] ) + '</span></td>';
		}
		return html + '</tr>';
	},
	buildCharacter: function ( character, actions ) {
		if ( typeof character === 'string' ) {
			character = {
				'label': character,
				'action': {
					'type': 'replace',
					'options': {
						'peri': character,
						'selectPeri': false
					}
				}
			};
		// In some cases the label for the character isn't the same as the
		// character that gets inserted (e.g. Hebrew vowels)
		} else if ( character && 0 in character && 1 in character ) {
			character = {
				'label': character[0],
				'action': {
					'type': 'replace',
					'options': {
						'peri': character[1],
						'selectPeri': false
					}
				}
			};
		}
		if ( character && 'action' in character && 'label' in character ) {
			actions[character.label] = character.action;
			if ( character.titleMsg !== undefined ) {
				return mw.html.element(
					'span',
					{ 'rel': character.label, 'title': mw.msg( character.titleMsg ) },
					character.label
				);
			} else {
				return mw.html.element( 'span', { 'rel': character.label }, character.label );
			}
		}
		mw.log( 'A character for the toolbar was undefined. This is not supposed to happen. Double check the config.' );
		// bug 31673; also an additional fix for bug 24208...
		return '';
	},
	buildTab: function ( context, id, section ) {
		var selected = $.cookie( 'wikiEditor-' + context.instance + '-toolbar-section' );
		// Re-save cookie
		if ( selected !== null ) {
			$.cookie( 'wikiEditor-' + context.instance + '-toolbar-section', selected, { expires: 30, path: '/' } );
		}
		var $link =
			$( '<a>' )
				.addClass( selected === id ? 'current' : null )
				.attr( {
					href: '#',
					role: 'button',
					'aria-pressed': 'false',
					'aria-controls': 'wikiEditor-section-' + id
				} )
				.text( $.wikiEditor.autoMsg( section, 'label' ) )
				.data( 'context', context )
				.mouseup( function () {
					$( this ).blur();
				} )
				.mousedown( function ( e ) {
					// No dragging!
					e.preventDefault();
					return false;
				} )
				.click( function ( e ) {
					// We have to set aria-pressed over here, as NVDA wont recognize it
					// if we do it in the below .each as it seems
					$( this ).attr( 'aria-pressed', 'true' );
					$( '.tab > a' ).each( function ( i, elem ) {
						if ( elem !== e.target ) {
							$( elem ).attr( 'aria-pressed', 'false' );
						}
					} );
					var $sections = $( this ).data( 'context' ).$ui.find( '.sections' );
					var $section =
						$( this ).data( 'context' ).$ui.find( '.section-' + $( this ).parent().attr( 'rel' ) );
					var show = !$section.hasClass( 'section-visible' );
					$section.parent().find( '.section-visible' )
						.css( 'position', 'absolute' )
						.attr( 'aria-expanded', 'false' )
						.removeClass( 'section-visible' )
						.animate( { opacity: 0 }, 'fast', 'linear', function () {
							$( this ).addClass( 'section-hidden' ).css( 'position', 'static' );
						} );

					$( this ).parent().parent().find( 'a' ).removeClass( 'current' );
					$sections.css( 'overflow', 'hidden' );
					var animate = function ( $that ) {
						$sections
						.animate( { 'height': $section.outerHeight() }, $section.outerHeight() * 2, function () {
							$that.css( 'overflow', 'visible' ).css( 'height', 'auto' );
							context.fn.trigger( 'resize' );
						} );
					};
					if ( show ) {
						$section.removeClass( 'section-hidden' )
							.attr( 'aria-expanded', 'true' )
							.animate( { opacity: 100.0 }, 'fast', 'linear', function () {
								$( this ).addClass( 'section-visible' );
							} );

						if ( $section.hasClass( 'loading' ) ) {
							// Loading of this section was deferred, load it now
							var $that = $( this );
							$that.addClass( 'current loading' );
							setTimeout( function () {
								$section.trigger( 'loadSection' );
								animate( $that );
								$that.removeClass( 'loading' );
							}, 1000 );
						} else {
							animate( $( this ) );
							$( this ).addClass( 'current' );
						}
					} else {
						$sections
							.css( 'height', $section.outerHeight() )
							.animate( { 'height': 0 }, $section.outerHeight() * 2, function () {
								$( this ).css( { 'overflow': 'visible' } );
								context.fn.trigger( 'resize' );
							} );
					}
					// Save the currently visible section
					$.cookie(
						'wikiEditor-' + $( this ).data( 'context' ).instance + '-toolbar-section',
						show ? $section.attr( 'rel' ) : null,
						{ expires: 30, path: '/' }
					);
					e.preventDefault();
					return false;
				} );
		return $( '<span>' )
			.attr( {
				'class': 'tab tab-' + id,
				'rel': id
			} )
			.append( $link );
	},
	buildSection: function ( context, id, section ) {
		var $section = $( '<div>' ).attr( {
			'class': section.type + ' section section-' + id,
			'rel': id,
			id: 'wikiEditor-section-' + id
		} );
		var selected = $.cookie( 'wikiEditor-' + context.instance + '-toolbar-section' );
		var show = selected === id;

		if ( section.deferLoad !== undefined && section.deferLoad && id !== 'main' && !show ) {
			// This class shows the spinner and serves as a marker for the click handler in buildTab()
			$section.addClass( 'loading' ).append( $( '<div>' ).addClass( 'spinner' ) );
			$section.bind( 'loadSection', function () {
				$.wikiEditor.modules.toolbar.fn.reallyBuildSection( context, id, section, $section );
				$section.removeClass( 'loading' );
			} );
		} else {
			$.wikiEditor.modules.toolbar.fn.reallyBuildSection( context, id, section, $section );
		}

		// Show or hide section
		if ( id !== 'main' ) {
			$section.attr( 'aria-expanded', show ? 'true' : 'false' );

			if ( show ) {
				$section.addClass( 'section-visible' );
			} else {
				$section.addClass( 'section-hidden' );
			}
		}
		return $section;
	},
	reallyBuildSection: function ( context, id, section, $section ) {
		context.$textarea.trigger( 'wikiEditor-toolbar-buildSection-' + $section.attr( 'rel' ), [section] );
		switch ( section.type ) {
			case 'toolbar':
				if ( 'groups' in section ) {
					for ( var group in section.groups ) {
						$section.append(
							$.wikiEditor.modules.toolbar.fn.buildGroup( context, group, section.groups[group] )
						);
					}
				}
				break;
			case 'booklet':
				var $pages = $( '<div>' ).addClass( 'pages' );
				var $index = $( '<div>' ).addClass( 'index' );
				if ( 'pages' in section ) {
					for ( var page in section.pages ) {
						$pages.append(
							$.wikiEditor.modules.toolbar.fn.buildPage( context, page, section.pages[page] )
						);
						$index.append(
							$.wikiEditor.modules.toolbar.fn.buildBookmark( context, page, section.pages[page] )
						);
					}
				}
				$section.append( $index ).append( $pages );
				$.wikiEditor.modules.toolbar.fn.updateBookletSelection( context, id, $pages, $index );
				break;
		}
	},
	updateBookletSelection: function ( context, id, $pages, $index ) {
		/*jshint eqnull:true */
		var cookie = 'wikiEditor-' + context.instance + '-booklet-' + id + '-page';
		var selected = $.cookie( cookie );
		// Re-save cookie
		if ( selected != null ) {
			$.cookie( cookie, selected, { expires: 30, path: '/' } );
		}
		var $selectedIndex = $index.find( '*[rel="' + selected + '"]' );
		if ( $selectedIndex.size() === 0 ) {
			$selectedIndex = $index.children().eq( 0 );
			selected = $selectedIndex.attr( 'rel' );
			$.cookie( cookie, selected, { expires: 30, path: '/' } );
		}
		$pages.children().hide();
		$pages.find( '*[rel="' + selected + '"]' ).show();
		$index.children().removeClass( 'current' );
		$selectedIndex.addClass( 'current' );
	},
	build: function ( context, config ) {
		var $tabs = $( '<div>' ).addClass( 'tabs' ).appendTo( context.modules.toolbar.$toolbar );
		var $sections = $( '<div>' ).addClass( 'sections' ).appendTo( context.modules.toolbar.$toolbar );
		context.modules.toolbar.$toolbar.append( $( '<div>' ).css( 'clear', 'both' ) );
		var sectionQueue = [];
		for ( var section in config ) {
			if ( section === 'main' ) {
				context.modules.toolbar.$toolbar.prepend(
					$.wikiEditor.modules.toolbar.fn.buildSection( context, section, config[section] )
				);
			} else {
				sectionQueue.push( {
					'$sections': $sections,
					'context': context,
					'id': section,
					'config': config[section]
				} );
				$tabs.append( $.wikiEditor.modules.toolbar.fn.buildTab( context, section, config[section] ) );
			}
		}
		$.eachAsync( sectionQueue, {
			'bulk': 0,
			'end': function () {
				// HACK: Opera doesn't seem to want to redraw after these bits
				// are added to the DOM, so we can just FORCE it!
				var oldValue = $( 'body' ).css( 'position' );
				$( 'body' ).css( 'position', 'static' );
				$( 'body' ).css( 'position', oldValue );

				context.$textarea.trigger( 'wikiEditor-toolbar-doneInitialSections' );
			},
			'loop': function ( i, s ) {
				s.$sections.append( $.wikiEditor.modules.toolbar.fn.buildSection( s.context, s.id, s.config ) );
				var $section = s.$sections.find( '.section-visible' );
				if ( $section.size() ) {
					$sections.animate( { 'height': $section.outerHeight() }, $section.outerHeight() * 2, function ( ) {
						context.fn.trigger( 'resize' );
					} );
				}
			}
		} );
	}
}

}; } )( mediaWiki, jQuery );