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+/**
+ * Vector-specific scripts
+ */
+jQuery( function ( $ ) {
+
+ /**
+ * Collapsible tabs
+ */
+ var $cactions = $( '#p-cactions' ),
+ $tabContainer = $( '#p-views ul' ),
+ originalDropdownWidth = $cactions.width();
+
+ /**
+ * Focus search input at the very end
+ */
+ $( '#searchInput' ).attr( 'tabindex', $( document ).lastTabIndex() + 1 );
+
+ /**
+ * Dropdown menu accessibility
+ */
+ $( 'div.vectorMenu' ).each( function () {
+ var $el = $( this );
+ $el.find( '> h3 > a' ).parent()
+ .attr( 'tabindex', '0' )
+ // For accessibility, show the menu when the h3 is clicked (bug 24298/46486)
+ .on( 'click keypress', function ( e ) {
+ if ( e.type === 'click' || e.which === 13 ) {
+ $el.toggleClass( 'menuForceShow' );
+ e.preventDefault();
+ }
+ } )
+ // When the heading has focus, also set a class that will change the arrow icon
+ .focus( function () {
+ $el.find( '> a' ).addClass( 'vectorMenuFocus' );
+ } )
+ .blur( function () {
+ $el.find( '> a' ).removeClass( 'vectorMenuFocus' );
+ } )
+ .find( '> a:first' )
+ // As the h3 can already be focused there's no need for the link to be focusable
+ .attr( 'tabindex', '-1' );
+ } );
+
+ // Bind callback functions to animate our drop down menu in and out
+ // and then call the collapsibleTabs function on the menu
+ $tabContainer
+ .bind( 'beforeTabCollapse', function () {
+ // If the dropdown was hidden, show it
+ if ( $cactions.hasClass( 'emptyPortlet' ) ) {
+ $cactions
+ .removeClass( 'emptyPortlet' )
+ .find( 'h3' )
+ .css( 'width', '1px' ).animate( { width: originalDropdownWidth }, 'normal' );
+ }
+ } )
+ .bind( 'beforeTabExpand', function () {
+ // If we're removing the last child node right now, hide the dropdown
+ if ( $cactions.find( 'li' ).length === 1 ) {
+ $cactions.find( 'h3' ).animate( { width: '1px' }, 'normal', function () {
+ $( this ).attr( 'style', '' )
+ .parent().addClass( 'emptyPortlet' );
+ } );
+ }
+ } )
+ .collapsibleTabs( {
+ expandCondition: function ( eleWidth ) {
+ // (This looks a bit awkward because we're doing expensive queries as late as possible.)
+
+ var distance = $.collapsibleTabs.calculateTabDistance();
+ // If there are at least eleWidth + 1 pixels of free space, expand.
+ // We add 1 because .width() will truncate fractional values but .offset() will not.
+ if ( distance >= eleWidth + 1 ) {
+ return true;
+ } else {
+ // Maybe we can still expand? Account for the width of the "Actions" dropdown if the
+ // expansion would hide it.
+ if ( $cactions.find( 'li' ).length === 1 ) {
+ return distance >= eleWidth + 1 - originalDropdownWidth;
+ } else {
+ return false;
+ }
+ }
+ },
+ collapseCondition: function () {
+ // (This looks a bit awkward because we're doing expensive queries as late as possible.)
+ // TODO The dropdown itself should probably "fold" to just the down-arrow (hiding the text)
+ // if it can't fit on the line?
+
+ // If there's an overlap, collapse.
+ if ( $.collapsibleTabs.calculateTabDistance() < 0 ) {
+ // But only if the width of the tab to collapse is smaller than the width of the dropdown
+ // we would have to insert. An example language where this happens is Lithuanian (lt).
+ if ( $cactions.hasClass( 'emptyPortlet' ) ) {
+ return $tabContainer.children( 'li.collapsible:last' ).width() > originalDropdownWidth;
+ } else {
+ return true;
+ }
+ } else {
+ return false;
+ }
+ }
+ } );
+} );