Merge branch 'Wikidata' of ssh://gerrit.wikimedia.org:29418/mediawiki/core into Wikidata
[lhc/web/wiklou.git] / resources / jquery / jquery.makeCollapsible.js
index 786d847..7a1897c 100644 (file)
@@ -19,7 +19,7 @@
 $.fn.makeCollapsible = function() {
 
        return this.each(function() {
-               mw.config.set( 'mw.log.prefix', 'jquery.makeCollapsible' );
+               var _fn = 'jquery.makeCollapsible> ';
 
                // Define reused variables and functions
                var     $that = $(this).addClass( 'mw-collapsible' ), // case: $( '#myAJAXelement' ).makeCollapsible()
@@ -35,10 +35,16 @@ $.fn.makeCollapsible = function() {
                                        // action must be string with 'expand' or 'collapse'
                                        return;
                                }
-                               if ( typeof $defaultToggle !== 'undefined' && !($defaultToggle instanceof jQuery) ) {
-                                       // is optional (may be undefined), but if passed it must be an instance of jQuery and nothing else
+                               if ( typeof $defaultToggle == 'undefined' ) {
+                                       $defaultToggle = null;
+                               }
+                               if ( $defaultToggle !== null && !($defaultToggle instanceof $) ) {
+                                       // is optional (may be undefined), but if defined it must be an instance of jQuery.
+                                       // If it's not, abort right away.
+                                       // After this $defaultToggle is either null or a valid jQuery instance.
                                        return;
                                }
+
                                var $containers = null;
 
                                if ( action == 'collapse' ) {
@@ -49,20 +55,20 @@ $.fn.makeCollapsible = function() {
                                                // Slide doens't work with tables, but fade does as of jQuery 1.1.3
                                                // http://stackoverflow.com/questions/467336#920480
                                                $containers = $collapsible.find( '>tbody>tr' );
-                                               if ( typeof $defaultToggle !== 'undefined' && ($defaultToggle instanceof jQuery) ) { 
+                                               if ( $defaultToggle ) {
                                                        // Exclude tablerow containing togglelink
                                                        $containers.not( $defaultToggle.closest( 'tr' ) ).stop(true, true).fadeOut();
                                                } else {
-                                                       if ( instantHide ) {    
+                                                       if ( instantHide ) {
                                                                $containers.hide();
                                                        } else {
                                                                $containers.stop( true, true ).fadeOut();
                                                        }
                                                }
-       
+
                                        } else if ( $collapsible.is( 'ul' ) || $collapsible.is( 'ol' ) ) {
                                                $containers = $collapsible.find( '> li' );
-                                               if ( $defaultToggle && $defaultToggle.jquery ) {
+                                               if ( $defaultToggle ) {
                                                        // Exclude list-item containing togglelink
                                                        $containers.not( $defaultToggle.parent() ).stop( true, true ).slideUp();
                                                } else {
@@ -72,12 +78,12 @@ $.fn.makeCollapsible = function() {
                                                                $containers.stop( true, true ).slideUp();
                                                        }
                                                }
-       
+
                                        } else { // <div>, <p> etc.
                                                var $collapsibleContent = $collapsible.find( '> .mw-collapsible-content' );
-                                               
+
                                                // If a collapsible-content is defined, collapse it
-                                               if ( $collapsibleContent.size() ) {
+                                               if ( $collapsibleContent.length ) {
                                                        if ( instantHide ) {
                                                                $collapsibleContent.hide();
                                                        } else {
@@ -96,31 +102,31 @@ $.fn.makeCollapsible = function() {
                                        }
 
                                } else {
-                               
+
                                        // Expand the element
                                        if ( $collapsible.is( 'table' ) ) {
                                                $containers = $collapsible.find( '>tbody>tr' );
-                                               if ( $defaultToggle && $defaultToggle.jquery ) {
+                                               if ( $defaultToggle ) {
                                                        // Exclude tablerow containing togglelink
                                                        $containers.not( $defaultToggle.parent().parent() ).stop(true, true).fadeIn();
                                                } else {
                                                        $containers.stop(true, true).fadeIn();
                                                }
-       
+
                                        } else if ( $collapsible.is( 'ul' ) || $collapsible.is( 'ol' ) ) {
                                                $containers = $collapsible.find( '> li' );
-                                               if ( $defaultToggle && $defaultToggle.jquery ) {
+                                               if ( $defaultToggle ) {
                                                        // Exclude list-item containing togglelink
                                                        $containers.not( $defaultToggle.parent() ).stop( true, true ).slideDown();
                                                } else {
                                                        $containers.stop( true, true ).slideDown();
                                                }
-       
+
                                        } else { // <div>, <p> etc.
                                                var $collapsibleContent = $collapsible.find( '> .mw-collapsible-content' );
-                                               
+
                                                // If a collapsible-content is defined, collapse it
-                                               if ( $collapsibleContent.size() ) {
+                                               if ( $collapsibleContent.length ) {
                                                        $collapsibleContent.slideDown();
 
                                                // Otherwise assume this is a customcollapse with a remote toggle
@@ -140,12 +146,13 @@ $.fn.makeCollapsible = function() {
                                var     $that = $(that),
                                        $collapsible = $that.closest( '.mw-collapsible.mw-made-collapsible' ).toggleClass( 'mw-collapsed' );
                                e.preventDefault();
-                               
+                               e.stopPropagation();
+
                                // It's expanded right now
                                if ( !$that.hasClass( 'mw-collapsible-toggle-collapsed' ) ) {
                                        // Change link to "Show"
                                        $that.removeClass( 'mw-collapsible-toggle-expanded' ).addClass( 'mw-collapsible-toggle-collapsed' );
-                                       if ( $that.find( '> a' ).size() ) {
+                                       if ( $that.find( '> a' ).length ) {
                                                $that.find( '> a' ).text( expandtext );
                                        } else {
                                                $that.text( expandtext );
@@ -157,7 +164,7 @@ $.fn.makeCollapsible = function() {
                                } else {
                                        // Change link to "Hide"
                                        $that.removeClass( 'mw-collapsible-toggle-collapsed' ).addClass( 'mw-collapsible-toggle-expanded' );
-                                       if ( $that.find( '> a' ).size() ) {
+                                       if ( $that.find( '> a' ).length ) {
                                                $that.find( '> a' ).text( collapsetext );
                                        } else {
                                                $that.text( collapsetext );
@@ -170,8 +177,12 @@ $.fn.makeCollapsible = function() {
                        // Toggles collapsible and togglelink class
                        toggleLinkPremade = function( $that, e ) {
                                var     $collapsible = $that.eq(0).closest( '.mw-collapsible.mw-made-collapsible' ).toggleClass( 'mw-collapsed' );
+                               if ( $(e.target).is('a') ) {
+                                       return true;
+                               }
                                e.preventDefault();
-                               
+                               e.stopPropagation();
+
                                // It's expanded right now
                                if ( !$that.hasClass( 'mw-collapsible-toggle-collapsed' ) ) {
                                        // Change toggle to collapsed
@@ -193,26 +204,34 @@ $.fn.makeCollapsible = function() {
                                // For the initial state call of customtogglers there is no event passed
                                if (e) {
                                        e.preventDefault();
+                               e.stopPropagation();
                                }
                                // Get current state and toggle to the opposite
                                var action = $collapsible.hasClass( 'mw-collapsed' ) ? 'expand' : 'collapse';
                                $collapsible.toggleClass( 'mw-collapsed' );
-                               toggleElement( $collapsible, action, $that )
-                               
+                               toggleElement( $collapsible, action, $that );
+
                        };
 
                // Use custom text or default ?
-               if( !collapsetext || collapsetext === '' ){
-                       collapsetext = mw.msg( 'collapsible-collapse', 'Collapse' );
+               if( !collapsetext {
+                       collapsetext = mw.msg( 'collapsible-collapse' );
                }
-               if ( !expandtext || expandtext === '' ){
-                       expandtext = mw.msg( 'collapsible-expand', 'Expand' );
+               if ( !expandtext {
+                       expandtext = mw.msg( 'collapsible-expand' );
                }
 
                // Create toggle link with a space around the brackets (&nbsp;[text]&nbsp;)
-               var $toggleLink = $( '<a href="#"></a>' ).text( collapsetext ).wrap( '<span class="mw-collapsible-toggle"></span>' ).parent().prepend( '&nbsp;[' ).append( ']&nbsp;' ).bind( 'click.mw-collapse', function(e){
-                       toggleLinkDefault( this, e );
-               } );
+               var $toggleLink =
+                       $( '<a href="#"></a>' )
+                               .text( collapsetext )
+                               .wrap( '<span class="mw-collapsible-toggle"></span>' )
+                               .parent()
+                               .prepend( '&nbsp;[' )
+                               .append( ']&nbsp;' )
+                               .bind( 'click.mw-collapse', function(e) {
+                                       toggleLinkDefault( this, e );
+                               } );
 
                // Return if it has been enabled already.
                if ( $that.hasClass( 'mw-made-collapsible' ) ) {
@@ -220,33 +239,33 @@ $.fn.makeCollapsible = function() {
                } else {
                        $that.addClass( 'mw-made-collapsible' );
                }
-               
+
                // Check if this element has a custom position for the toggle link
                // (ie. outside the container or deeper inside the tree)
                // Then: Locate the custom toggle link(s) and bind them
-               if ( $that.attr( 'id' ).indexOf( 'mw-customcollapsible-' ) === 0 ) {
+               if ( ( $that.attr( 'id' ) || '' ).indexOf( 'mw-customcollapsible-' ) === 0 ) {
 
                        var thatId = $that.attr( 'id' ),
                                $customTogglers = $( '.' + thatId.replace( 'mw-customcollapsible', 'mw-customtoggle' ) );
-                       mw.log( 'Found custom collapsible: #' + thatId );
-                                               
+                       mw.log( _fn + 'Found custom collapsible: #' + thatId );
+
                        // Double check that there is actually a customtoggle link
-                       if ( $customTogglers.size() ) {
+                       if ( $customTogglers.length ) {
                                $customTogglers.bind( 'click.mw-collapse', function( e ) {
                                        toggleLinkCustom( $(this), e, $that );
                                } );
                        } else {
-                               mw.log( '#' + thatId + ': Missing toggler!' );
+                               mw.log( _fn + '#' + thatId + ': Missing toggler!' );
                        }
-                       
+
                        // Initial state
                        if ( $that.hasClass( 'mw-collapsed' ) ) {
                                $that.removeClass( 'mw-collapsed' );
-                               toggleLinkCustom( $customTogglers, null, $that )
+                               toggleLinkCustom( $customTogglers, null, $that );
                        }
 
                // If this is not a custom case, do the default:
-               // Wrap the contents add the toggle link 
+               // Wrap the contents add the toggle link
                } else {
 
                        // Elements are treated differently
@@ -254,49 +273,52 @@ $.fn.makeCollapsible = function() {
                                // The toggle-link will be in one the the cells (td or th) of the first row
                                var     $firstRowCells = $( 'tr:first th, tr:first td', that ),
                                        $toggle = $firstRowCells.find( '> .mw-collapsible-toggle' );
-       
+
                                // If theres no toggle link, add it to the last cell
-                               if ( !$toggle.size() ) {
+                               if ( !$toggle.length ) {
                                        $firstRowCells.eq(-1).prepend( $toggleLink );
                                } else {
-                                       $toggleLink = $toggle.unbind( 'click.mw-collapse' ).bind( 'click.mw-collapse', function( e ){
+                                       $toggleLink = $toggle.unbind( 'click.mw-collapse' ).bind( 'click.mw-collapse', function( e ) {
                                                toggleLinkPremade( $toggle, e );
                                        } );
                                }
-                               
+
                        } else if ( $that.is( 'ul' ) || $that.is( 'ol' ) ) {
                                // The toggle-link will be in the first list-item
                                var     $firstItem = $( 'li:first', $that),
                                        $toggle = $firstItem.find( '> .mw-collapsible-toggle' );
-       
+
                                // If theres no toggle link, add it
-                               if ( !$toggle.size() ) {
-                                       // Make sure the numeral order doesn't get messed up, reset to 1 unless value-attribute is already used
-                                       // WebKit return '' if no value, Mozilla returns '-1' is no value
-                                       if ( $firstItem.attr( 'value' ) == '' || $firstItem.attr( 'value' ) == '-1' ) { // Will fail with ===
+                               if ( !$toggle.length ) {
+                                       // Make sure the numeral order doesn't get messed up, force the first (soon to be second) item
+                                       // to be "1". Except if the value-attribute is already used.
+                                       // If no value was set WebKit returns "", Mozilla returns '-1', others return null or undefined.
+                                       var firstval = $firstItem.attr( 'value' );
+                                       if ( firstval === undefined || !firstval || firstval == '-1' ) {
                                                $firstItem.attr( 'value', '1' );
                                        }
                                        $that.prepend( $toggleLink.wrap( '<li class="mw-collapsible-toggle-li"></li>' ).parent() );
                                } else {
-                                       $toggleLink = $toggle.unbind( 'click.mw-collapse' ).bind( 'click.mw-collapse', function( e ){
+                                       $toggleLink = $toggle.unbind( 'click.mw-collapse' ).bind( 'click.mw-collapse', function( e ) {
                                                toggleLinkPremade( $toggle, e );
                                        } );
                                }
-       
+
                        } else { // <div>, <p> etc.
+
+                               // The toggle-link will be the first child of the element
+                               var $toggle = $that.find( '> .mw-collapsible-toggle' );
+
                                // If a direct child .content-wrapper does not exists, create it
-                               if ( !$that.find( '> .mw-collapsible-content' ).size() ) {
+                               if ( !$that.find( '> .mw-collapsible-content' ).length ) {
                                        $that.wrapInner( '<div class="mw-collapsible-content"></div>' );
                                }
-       
-                               // The toggle-link will be the first child of the element
-                               var $toggle = $that.find( '> .mw-collapsible-toggle' );
-       
+
                                // If theres no toggle link, add it
-                               if ( !$toggle.size() ) {
+                               if ( !$toggle.length ) {
                                        $that.prepend( $toggleLink );
                                } else {
-                                       $toggleLink = $toggle.unbind( 'click.mw-collapse' ).bind( 'click.mw-collapse', function( e ){
+                                       $toggleLink = $toggle.unbind( 'click.mw-collapse' ).bind( 'click.mw-collapse', function( e ) {
                                                toggleLinkPremade( $toggle, e );
                                        } );
                                }
@@ -304,7 +326,7 @@ $.fn.makeCollapsible = function() {
                }
 
                // Initial state (only for those that are not custom)
-               if ( $that.hasClass( 'mw-collapsed' ) && $that.attr( 'id' ).indexOf( 'mw-customcollapsible-' ) !== 0 ) {
+               if ( $that.hasClass( 'mw-collapsed' ) && ( $that.attr( 'id' ) || '').indexOf( 'mw-customcollapsible-' ) !== 0 ) {
                        $that.removeClass( 'mw-collapsed' );
                        // The collapsible element could have multiple togglers
                        // To toggle the initial state only click one of them (ie. the first one, eq(0) )
@@ -314,4 +336,4 @@ $.fn.makeCollapsible = function() {
                }
        } );
 };
-} )( jQuery, mediaWiki );
\ No newline at end of file
+} )( jQuery, mediaWiki );