mediawiki-extensions-WikiEd.../modules/jquery.wikiEditor.toc.js

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JavaScript
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/* TOC Module for wikiEditor */
( function( $ ) { $.wikiEditor.modules.toc = {
/**
* Compatability map
*/
'browsers': {
// Left-to-right languages
'ltr': {
'msie': [['>=', 7]],
'firefox': [['>=', 3]],
'opera': [['>=', 10]],
'safari': [['>=', 4]],
'chrome': [['>=', 4]]
},
// Right-to-left languages
'rtl': {
'msie': [['>=', 8]],
'firefox': [['>=', 3]],
'opera': [['>=', 10]],
'safari': [['>=', 4]],
'chrome': [['>=', 4]]
}
},
/**
* Core Requirements
*/
'req': [ 'iframe' ],
/**
* Configuration
*/
cfg: {
// Default width of table of contents
defaultWidth: '166px',
// Minimum width to allow resizing to before collapsing the table of contents - used when resizing and collapsing
minimumWidth: '70px',
// Minimum width of the wikiText area
textMinimumWidth: '450px',
// The style property to be used for positioning the flexible module in regular mode
flexProperty: 'marginRight',
// Boolean var indicating text direction
rtl: false
},
/**
* API accessible functions
*/
api: {
//
},
/**
* Event handlers
*/
evt: {
change: function( context, event ) {
$.wikiEditor.modules.toc.fn.update( context );
},
ready: function( context, event ) {
// Add the TOC to the document
$.wikiEditor.modules.toc.fn.build( context );
if ( !context.$content ) {
return;
}
context.$content.parent()
.blur( function() {
var context = event.data.context;
$.wikiEditor.modules.toc.fn.unhighlight( context );
});
$.wikiEditor.modules.toc.fn.improveUI();
$.wikiEditor.modules.toc.evt.resize( context );
},
resize: function( context, event ) {
var availableWidth = context.$wikitext.width() - parseFloat( $.wikiEditor.modules.toc.cfg.textMinimumWidth ),
totalMinWidth = parseFloat( $.wikiEditor.modules.toc.cfg.minimumWidth ) +
parseFloat( $.wikiEditor.modules.toc.cfg.textMinimumWidth );
context.$ui.find( '.wikiEditor-ui-right' )
.resizable( 'option', 'maxWidth', availableWidth );
if ( context.modules.toc.$toc.data( 'positionMode' ) != 'disabled' &&
context.$wikitext.width() < totalMinWidth ) {
$.wikiEditor.modules.toc.fn.disable( context );
} else if ( context.modules.toc.$toc.data( 'positionMode' ) == 'disabled' &&
context.$wikitext.width() > totalMinWidth ) {
$.wikiEditor.modules.toc.fn.enable( context );
} else if ( context.modules.toc.$toc.data( 'positionMode' ) == 'regular' &&
context.$ui.find( '.wikiEditor-ui-right' ).width() > availableWidth ) {
//switch mode
$.wikiEditor.modules.toc.fn.switchLayout( context );
} else if ( context.modules.toc.$toc.data( 'positionMode' ) == 'goofy' &&
context.modules.toc.$toc.data( 'previousWidth' ) < context.$wikitext.width() ) {
//switch mode
$.wikiEditor.modules.toc.fn.switchLayout( context );
}
if ( context.modules.toc.$toc.data( 'positionMode' ) == 'goofy' ) {
context.modules.toc.$toc.find( 'div' ).autoEllipsis(
{ 'position': 'right', 'tooltip': true, 'restoreText': true }
);
}
// reset the height of the TOC
if ( !context.modules.toc.$toc.data( 'collapsed' ) ){
context.modules.toc.$toc.height(
context.$ui.find( '.wikiEditor-ui-left' ).height() -
context.$ui.find( '.tab-toc' ).outerHeight()
);
}
// store the width of the view for comparison on next resize
context.modules.toc.$toc.data( 'previousWidth', context.$wikitext.width() );
},
mark: function( context, event ) {
var hash = '';
var markers = context.modules.highlight.markers;
var tokenArray = context.modules.highlight.tokenArray;
var outline = context.data.outline = [];
var h = 0;
for ( var i = 0; i < tokenArray.length; i++ ) {
if ( tokenArray[i].label != 'TOC_HEADER' ) {
continue;
}
h++;
markers.push( {
index: h,
start: tokenArray[i].tokenStart,
end: tokenArray[i].offset,
type: 'toc',
anchor: 'tag',
afterWrap: function( node ) {
var marker = $( node ).data( 'marker' );
$( node ).addClass( 'wikiEditor-toc-header' )
.addClass( 'wikiEditor-toc-section-' + marker.index )
.data( 'section', marker.index );
},
beforeUnwrap: function( node ) {
$( node ).removeClass( 'wikiEditor-toc-header' )
.removeClass( 'wikiEditor-toc-section-' + $( node ).data( 'section' ) );
},
onSkip: function( node ) {
var marker = $( node ).data( 'marker' );
if ( $( node ).data( 'section' ) != marker.index ) {
$( node )
.removeClass( 'wikiEditor-toc-section-' + $( node ).data( 'section' ) )
.addClass( 'wikiEditor-toc-section-' + marker.index )
.data( 'section', marker.index );
}
},
getAnchor: function( ca1, ca2 ) {
return $( ca1.parentNode ).is( '.wikiEditor-toc-header' ) ?
ca1.parentNode : null;
}
} );
hash += tokenArray[i].match[2] + '\n';
outline.push ( {
'text': tokenArray[i].match[2],
'level': tokenArray[i].match[1].length,
'index': h
} );
}
// Only update the TOC if it's been changed - we do this by comparing a hash of the headings this time to last
if ( typeof context.modules.toc.lastHash == 'undefined' || context.modules.toc.lastHash !== hash ) {
$.wikiEditor.modules.toc.fn.build( context );
$.wikiEditor.modules.toc.fn.update( context );
// Remember the changed version
context.modules.toc.lastHash = hash;
}
}
},
exp: [
{ 'regex': /^(={1,6})([^\r\n]+?)\1\s*$/m, 'label': 'TOC_HEADER', 'markAfter': true }
],
/**
* Internally used functions
*/
fn: {
/**
* Creates a table of contents 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 ( '$toc' in context.modules.toc ) {
return;
}
$.wikiEditor.modules.toc.cfg.rtl = $( 'body' ).is( '.rtl' );
$.wikiEditor.modules.toc.cfg.flexProperty = $.wikiEditor.modules.toc.cfg.rtl ? 'marginLeft' : 'marginRight';
var height = context.$ui.find( '.wikiEditor-ui-left' ).height();
context.modules.toc.$toc = $( '<div />' )
.addClass( 'wikiEditor-ui-toc' )
.data( 'context', context )
.data( 'positionMode', 'regular' )
.data( 'collapsed', false );
context.$ui.find( '.wikiEditor-ui-right' )
.append( context.modules.toc.$toc );
context.modules.toc.$toc.height(
context.$ui.find( '.wikiEditor-ui-left' ).height()
);
$.wikiEditor.modules.toc.fn.redraw( context, $.wikiEditor.modules.toc.cfg.defaultWidth );
},
redraw: function( context, fixedWidth ) {
var fixedWidth = parseFloat( fixedWidth );
if( context.modules.toc.$toc.data( 'positionMode' ) == 'regular' ) {
context.$ui.find( '.wikiEditor-ui-right' )
.css( 'width', fixedWidth + 'px' );
context.$ui.find( '.wikiEditor-ui-left' )
.css( $.wikiEditor.modules.toc.cfg.flexProperty, ( -1 * fixedWidth ) + 'px' )
.children()
.css( $.wikiEditor.modules.toc.cfg.flexProperty, fixedWidth + 'px' );
} else if( context.modules.toc.$toc.data( 'positionMode' ) == 'goofy' ) {
context.$ui.find( '.wikiEditor-ui-left' )
.css( 'width', fixedWidth );
context.$ui.find( '.wikiEditor-ui-right' )
.css( $.wikiEditor.modules.toc.cfg.rtl ? 'right': 'left', fixedWidth );
context.$wikitext.css( 'height', context.$ui.find( '.wikiEditor-ui-right' ).height() );
}
},
switchLayout: function( context ) {
var width,
height = context.$ui.find( '.wikiEditor-ui-right' ).height();
if( context.modules.toc.$toc.data( 'positionMode' ) == 'regular'
&& !context.modules.toc.$toc.data( 'collapsed' ) ) {
// store position mode
context.modules.toc.$toc.data( 'positionMode', 'goofy' );
// store the width of the TOC, to ensure we dont allow it to be larger than this when switching back
context.modules.toc.$toc.data( 'positionModeChangeAt',
context.$ui.find( '.wikiEditor-ui-right' ).width() );
width = $.wikiEditor.modules.toc.cfg.textMinimumWidth;
// set our styles for goofy mode
context.$ui.find( '.wikiEditor-ui-left' )
.css( $.wikiEditor.modules.toc.cfg.flexProperty, '')
.css( { 'position': 'absolute', 'float': 'none',
'left': $.wikiEditor.modules.toc.cfg.rtl ? 'auto': 0,
'right' : $.wikiEditor.modules.toc.cfg.rtl ? 0 : 'auto' } )
.children()
.css( $.wikiEditor.modules.toc.cfg.flexProperty, '' );
context.$ui.find( '.wikiEditor-ui-right' )
.css( { 'width': 'auto', 'position': 'absolute', 'float': 'none',
'right': $.wikiEditor.modules.toc.cfg.rtl ? 'auto': 0,
'left' : $.wikiEditor.modules.toc.cfg.rtl ? 0 : 'auto' } );
context.$wikitext
.css( 'position', 'relative' );
} else if ( context.modules.toc.$toc.data( 'positionMode' ) == 'goofy' ) {
// store position mode
context.modules.toc.$toc.data( 'positionMode', 'regular' );
// set width
width = context.$wikitext.width() - context.$ui.find( '.wikiEditor-ui-left' ).width();
if ( width > context.modules.toc.$toc.data( 'positionModeChangeAt' ) ) {
width = context.modules.toc.$toc.data( 'positionModeChangeAt' );
}
// set our styles for regular mode
context.$wikitext
.css( { 'position': '', 'height': '' } );
context.$ui.find( '.wikiEditor-ui-right' )
.css( $.wikiEditor.modules.toc.cfg.flexProperty, '' )
.css( { 'position': '', 'left': '', 'right': '', 'float': '', 'top': '', 'height': '' } );
context.$ui.find( '.wikiEditor-ui-left' )
.css( { 'width': '', 'position': '', 'left': '', 'float': '', 'right': '' } );
}
$.wikiEditor.modules.toc.fn.redraw( context, width );
},
disable: function( context ) {
if ( context.modules.toc.$toc.data( 'collapsed' ) ) {
context.$ui.find( '.wikiEditor-ui-toc-expandControl' ).hide();
} else {
if( context.modules.toc.$toc.data( 'positionMode' ) == 'goofy' ) {
$.wikiEditor.modules.toc.fn.switchLayout( context );
}
context.$ui.find( '.wikiEditor-ui-right' ).hide();
context.$ui.find( '.wikiEditor-ui-left' )
.css( $.wikiEditor.modules.toc.cfg.flexProperty, '' )
.children()
.css( $.wikiEditor.modules.toc.cfg.flexProperty, '' );
}
context.modules.toc.$toc.data( 'positionMode', 'disabled' );
},
enable: function( context ) {
context.modules.toc.$toc.data( 'positionMode', 'regular' );
if ( context.modules.toc.$toc.data( 'collapsed' ) ) {
context.$ui.find( '.wikiEditor-ui-toc-expandControl' ).show();
} else {
context.$ui.find( '.wikiEditor-ui-right' ).show();
$.wikiEditor.modules.toc.fn.redraw( context, $.wikiEditor.modules.toc.cfg.minimumWidth );
context.modules.toc.$toc.find( 'div' ).autoEllipsis(
{ 'position': 'right', 'tooltip': true, 'restoreText': true }
);
}
},
unhighlight: function( context ) {
// FIXME: For some reason, IE calls this function twice, the first time with context undefined
// Investigate this when you have time please! In the meantime, the user interaction is working just
// fine because the second call is valid
if ( context ) {
context.modules.toc.$toc.find( 'div' ).removeClass( 'current' );
}
},
/**
* Highlight the section the cursor is currently within
*
* @param {Object} context
*/
update: function( context ) {
//temporarily commenting this out because it is causing all kinds of cursor
//and text jumping issues in IE. WIll get back to this --pdhanda
/*
var div = context.fn.beforeSelection( 'wikiEditor-toc-header' );
if ( div === null ) {
// beforeSelection couldn't figure it out, keep the old highlight state
return;
}
$.wikiEditor.modules.toc.fn.unhighlight( context );
var section = div.data( 'section' ) || 0;
if ( context.data.outline.length > 0 ) {
var sectionLink = context.modules.toc.$toc.find( 'div.section-' + section );
sectionLink.addClass( 'current' );
// Scroll the highlighted link into view if necessary
var relTop = sectionLink.offset().top - context.modules.toc.$toc.offset().top;
var scrollTop = context.modules.toc.$toc.scrollTop();
var divHeight = context.modules.toc.$toc.height();
var sectionHeight = sectionLink.height();
if ( relTop < 0 )
// Scroll up
context.modules.toc.$toc.scrollTop( scrollTop + relTop );
else if ( relTop + sectionHeight > divHeight )
// Scroll down
context.modules.toc.$toc.scrollTop( scrollTop + relTop + sectionHeight - divHeight );
}
*/
},
/**
* Collapse the contents module
*
* @param {Object} event Event object with context as data
*/
collapse: function( event ) {
var $this = $( this ),
context = $this.data( 'context' );
if( context.modules.toc.$toc.data( 'positionMode' ) == 'goofy' ) {
$.wikiEditor.modules.toc.fn.switchLayout( context );
}
var pT = $this.parent().position().top - 1;
context.modules.toc.$toc.data( 'collapsed', true );
var leftParam = {}, leftChildParam = {};
leftParam[ $.wikiEditor.modules.toc.cfg.flexProperty ] = '-1px';
leftChildParam[ $.wikiEditor.modules.toc.cfg.flexProperty ] = '1px';
context.$ui.find( '.wikiEditor-ui-left' )
.animate( leftParam, 'fast', function() {
$( this ).css( $.wikiEditor.modules.toc.cfg.flexProperty, 0 );
} )
.children()
.animate( leftChildParam, 'fast', function() {
$( this ).css( $.wikiEditor.modules.toc.cfg.flexProperty, 0 );
} );
context.$ui.find( '.wikiEditor-ui-right' )
.css( {
'marginTop' : '1px',
'position' : 'absolute',
'left' : $.wikiEditor.modules.toc.cfg.rtl ? 0 : 'auto',
'right' : $.wikiEditor.modules.toc.cfg.rtl ? 'auto' : 0,
'top' : pT } )
.fadeOut( 'fast', function() {
$( this ).hide()
.css( { 'marginTop': '0', 'width': '1px' } );
context.$ui.find( '.wikiEditor-ui-toc-expandControl' ).fadeIn( 'fast' );
// Let the UI know things have moved around
context.fn.trigger( 'tocCollapse' );
context.fn.trigger( 'resize' );
} );
$.cookie( 'wikiEditor-' + context.instance + '-toc-width', 0 );
return false;
},
/**
* Expand the contents module
*
* @param {Object} event Event object with context as data
*/
expand: function( event ) {
var $this = $( this ),
context = $this.data( 'context' ),
openWidth = parseFloat( context.modules.toc.$toc.data( 'openWidth' ) ),
availableSpace = context.$wikitext.width() - parseFloat( $.wikiEditor.modules.toc.cfg.textMinimumWidth );
if ( availableSpace < $.wikiEditor.modules.toc.cfg.textMinmumWidth ) return false;
context.modules.toc.$toc.data( 'collapsed', false );
// check if we've got enough room to open to our stored width
if ( availableSpace < openWidth ) openWidth = availableSpace;
context.$ui.find( '.wikiEditor-ui-toc-expandControl' ).hide();
var leftParam = {}, leftChildParam = {};
leftParam[ $.wikiEditor.modules.toc.cfg.flexProperty ] = parseFloat( openWidth ) * -1;
leftChildParam[ $.wikiEditor.modules.toc.cfg.flexProperty ] = openWidth;
context.$ui.find( '.wikiEditor-ui-left' )
.animate( leftParam, 'fast' )
.children()
.animate( leftChildParam, 'fast' );
context.$ui.find( '.wikiEditor-ui-right' )
.show()
.css( 'marginTop', '1px' )
.animate( { 'width' : openWidth }, 'fast', function() {
context.$content.trigger( 'mouseup' );
$( this ).css( {
'marginTop' : '0',
'position' : 'relative',
'right' : 'auto',
'left' : 'auto',
'top': 'auto' } );
context.fn.trigger( 'tocExpand' );
context.fn.trigger( 'resize' );
} );
$.cookie( 'wikiEditor-' + context.instance + '-toc-width',
context.modules.toc.$toc.data( 'openWidth' ) );
return false;
},
/**
* Builds table of contents
*
* @param {Object} context
*/
build: function( context ) {
/**
* Builds a structured outline from flat outline
*
* @param {Object} outline Array of objects with level fields
*/
function buildStructure( outline, offset, level ) {
if ( offset == undefined ) offset = 0;
if ( level == undefined ) level = 1;
var sections = [];
for ( var i = offset; i < outline.length; i++ ) {
if ( outline[i].nLevel == level ) {
var sub = buildStructure( outline, i + 1, level + 1 );
if ( sub.length ) {
outline[i].sections = sub;
}
sections[sections.length] = outline[i];
} else if ( outline[i].nLevel < level ) {
break;
}
}
return sections;
}
/**
* Builds unordered list HTML object from structured outline
*
* @param {Object} structure Structured outline
*/
function buildList( structure ) {
var list = $( '<ul />' );
for ( var i = 0; i < structure.length; i++ ) {
var div = $( '<div />' )
.addClass( 'section-' + structure[i].index )
.data( 'index', structure[i].index )
.mousedown( function() {
// No dragging!
return false;
} )
.click( function( event ) {
var wrapper = context.$content.find(
'.wikiEditor-toc-section-' + $( this ).data( 'index' ) );
if ( wrapper.size() == 0 )
wrapper = context.$content;
context.fn.scrollToTop( wrapper, true );
context.$textarea.textSelection( 'setSelection', {
'start': 0,
'startContainer': wrapper
} );
// Bring user's eyes to the point we've now jumped to
context.fn.highlightLine( $( wrapper ) );
// Highlight the clicked link
//remove highlighting of toc after a second. Temporary hack till the highlight works --pdhanda
//$.wikiEditor.modules.toc.fn.unhighlight( context );
$( this ).addClass( 'current' );
//$( this ).removeClass( 'current' );
setTimeout( function() { $.wikiEditor.modules.toc.fn.unhighlight( context ) }, 1000 );
if ( typeof $.trackAction != 'undefined' )
$.trackAction( 'ntoc.heading' );
event.preventDefault();
} )
.text( structure[i].text );
if ( structure[i].text == '' )
div.html( '&nbsp;' );
var item = $( '<li />' ).append( div );
if ( structure[i].sections !== undefined ) {
item.append( buildList( structure[i].sections ) );
}
list.append( item );
}
return list;
}
/**
* Builds controls for collapsing and expanding the TOC
*
*/
function buildCollapseControls( ) {
var $collapseControl = $( '<div />' ), $expandControl = $( '<div />' );
$collapseControl
.addClass( 'tab' )
.addClass( 'tab-toc' )
.append( '<a href="#" />' )
.mousedown( function( e ) {
// No dragging!
e.preventDefault();
return false;
} )
.bind( 'click.wikiEditor-toc', function( e ) {
context.modules.toc.$toc.trigger( 'collapse.wikiEditor-toc' );
// No dragging!
e.preventDefault();
return false;
} )
.find( 'a' )
.text( mediaWiki.msg.get( 'wikieditor-toc-hide' ) );
$expandControl
.addClass( 'wikiEditor-ui-toc-expandControl' )
.append( '<a href="#" />' )
.mousedown( function( e ) {
// No dragging!
e.preventDefault();
return false;
} )
.bind( 'click.wikiEditor-toc', function( e ) {
context.modules.toc.$toc.trigger( 'expand.wikiEditor-toc' );
// No dragging!
e.preventDefault();
return false;
} )
.hide()
.find( 'a' )
.text( mediaWiki.msg.get( 'wikieditor-toc-show' ) );
$collapseControl.insertBefore( context.modules.toc.$toc );
context.$ui.find( '.wikiEditor-ui-left .wikiEditor-ui-top' ).append( $expandControl );
}
/**
* Initializes resizing controls on the TOC and sets the width of
* the TOC based on it's previous state
*
*/
function buildResizeControls( ) {
context.$ui
.data( 'resizableDone', true )
.find( '.wikiEditor-ui-right' )
.data( 'wikiEditor-ui-left', context.$ui.find( '.wikiEditor-ui-left' ) )
.resizable( { handles: 'w,e', preventPositionLeftChange: true,
minWidth: parseFloat( $.wikiEditor.modules.toc.cfg.minimumWidth ),
start: function( e, ui ) {
var $this = $( this );
// Toss a transparent cover over our iframe
$( '<div />' )
.addClass( 'wikiEditor-ui-resize-mask' )
.css( {
'position': 'absolute',
'z-index': 2,
'left': 0,
'top': 0,
'bottom': 0,
'right': 0
} )
.appendTo( context.$ui.find( '.wikiEditor-ui-left' ) );
$this.resizable( 'option', 'maxWidth', $this.parent().width() -
parseFloat( $.wikiEditor.modules.toc.cfg.textMinimumWidth ) );
if(context.modules.toc.$toc.data( 'positionMode' ) == 'goofy' ) {
$.wikiEditor.modules.toc.fn.switchLayout( context );
}
},
resize: function( e, ui ) {
// for some odd reason, ui.size.width seems a step ahead of what the *actual* width of
// the resizable is
$( this ).css( { 'width': ui.size.width, 'top': 'auto', 'height': 'auto' } )
.data( 'wikiEditor-ui-left' )
.css( $.wikiEditor.modules.toc.cfg.flexProperty, ( -1 * ui.size.width ) )
.children().css( $.wikiEditor.modules.toc.cfg.flexProperty, ui.size.width );
// Let the UI know things have moved around
context.fn.trigger( 'resize' );
},
stop: function ( e, ui ) {
context.$ui.find( '.wikiEditor-ui-resize-mask' ).remove();
context.$content.trigger( 'mouseup' );
if( ui.size.width <= parseFloat( $.wikiEditor.modules.toc.cfg.minimumWidth ) ) {
context.modules.toc.$toc.trigger( 'collapse.wikiEditor-toc' );
} else {
context.modules.toc.$toc.find( 'div' ).autoEllipsis(
{ 'position': 'right', 'tooltip': true, 'restoreText': true }
);
context.modules.toc.$toc.data( 'openWidth', ui.size.width );
$.cookie( 'wikiEditor-' + context.instance + '-toc-width', ui.size.width );
}
// Let the UI know things have moved around
context.fn.trigger( 'resize' );
}
});
// Convert our east resize handle into a secondary west resize handle
var handle = $.wikiEditor.modules.toc.cfg.rtl ? 'w' : 'e';
context.$ui.find( '.ui-resizable-' + handle )
.removeClass( 'ui-resizable-' + handle )
.addClass( 'ui-resizable-' + ( handle == 'w' ? 'e' : 'w' ) )
.addClass( 'wikiEditor-ui-toc-resize-grip' );
// Bind collapse and expand event handlers to the TOC
context.modules.toc.$toc
.bind( 'collapse.wikiEditor-toc', $.wikiEditor.modules.toc.fn.collapse )
.bind( 'expand.wikiEditor-toc', $.wikiEditor.modules.toc.fn.expand );
context.modules.toc.$toc.data( 'openWidth', $.wikiEditor.modules.toc.cfg.defaultWidth );
// If the toc-width cookie is set, reset the widths based upon that
if ( $.cookie( 'wikiEditor-' + context.instance + '-toc-width' ) == 0 ) {
context.modules.toc.$toc.trigger( 'collapse.wikiEditor-toc', { data: context } );
} else if ( $.cookie( 'wikiEditor-' + context.instance + '-toc-width' ) > 0 ) {
var initialWidth = $.cookie( 'wikiEditor-' + context.instance + '-toc-width' );
if( initialWidth < parseFloat( $.wikiEditor.modules.toc.cfg.minimumWidth ) )
initialWidth = parseFloat( $.wikiEditor.modules.toc.cfg.minimumWidth ) + 1;
context.modules.toc.$toc.data( 'openWidth', initialWidth + 'px' );
$.wikiEditor.modules.toc.fn.redraw( context, initialWidth );
}
}
// Normalize heading levels for list creation
// This is based on Linker::generateTOC(), so it should behave like the
// TOC on rendered articles does - which is considdered to be correct
// at this point in time.
if ( context.data.outline ) {
var outline = context.data.outline;
var lastLevel = 0;
var nLevel = 0;
for ( var i = 0; i < outline.length; i++ ) {
if ( outline[i].level > lastLevel ) {
nLevel++;
}
else if ( outline[i].level < lastLevel ) {
nLevel -= Math.max( 1, lastLevel - outline[i].level );
}
if ( nLevel <= 0 ) {
nLevel = 1;
}
outline[i].nLevel = nLevel;
lastLevel = outline[i].level;
}
// Recursively build the structure and add special item for
// section 0, if needed
var structure = buildStructure( outline );
if ( $( 'input[name=wpSection]' ).val() == '' ) {
structure.unshift( { 'text': wgPageName.replace( /_/g, ' ' ), 'level': 1, 'index': 0 } );
}
context.modules.toc.$toc.html( buildList( structure ) );
if ( !context.$ui.data( 'resizableDone' ) ) {
buildResizeControls();
buildCollapseControls();
}
context.modules.toc.$toc.find( 'div' ).autoEllipsis(
{ 'position': 'right', 'tooltip': true, 'restoreText': true }
);
}
},
improveUI: function() {
/*
* Extending resizable to allow west resizing without altering the left position attribute
*/
$.ui.plugin.add( "resizable", "preventPositionLeftChange", {
resize: function( event, ui ) {
$( this ).data( "resizable" ).position.left = 0;
}
} );
}
}
};
} ) ( jQuery );