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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,80 +1,51 @@ | ||
| /** | ||
| * This is a custom JavaScript file used by the example The Sum of Human Knowledge in the core Vorple extension. | ||
| */ | ||
|
|
||
| function wikipedia_query( topic ) { | ||
| // prevent the player from continuing before the data has been fetched | ||
| vorple.layout.block(); | ||
| vorple.prompt.hide(); | ||
|
|
||
| $.getJSON( | ||
| 'http://en.wikipedia.org/w/api.php?callback=?', | ||
| 'http://en.wikipedia.org/w/api.php?exintro&explaintext&callback=?', | ||
| { | ||
| action: 'query', | ||
| titles: topic, | ||
| format: 'json', | ||
| prop: 'revisions', | ||
| rvprop: 'content', | ||
| rvparse: '1', | ||
| redirects: '1' | ||
| prop: 'extracts', | ||
| redirects: '1', | ||
| titles: topic | ||
| }, | ||
| function( data ) { | ||
| var $dictEntry = $( '.dictionary-entry:last' ); | ||
| // the element where the results will be placed, created by Inform | ||
| $dictEntry = $( '.dictionary-entry:last' ); | ||
|
|
||
| try { | ||
| // get the page info (we don't know its key so it can't be referenced directly) | ||
| for( var id in data.query.pages ) { | ||
| var $article = $( '<div>'+data.query.pages[ id ].revisions[ 0 ]['*']+'</div>' ); | ||
|
|
||
| // get the first paragraph | ||
| var $para = $article.find( 'p' ).filter( function() { return $( this ).text().trim().length > 0; } ).first(); | ||
|
|
||
| // try to detect if it's a disambiguation page; if so, | ||
| // show the entire page. | ||
| if( $para.text().indexOf( 'may refer to' ) !== -1 ) { | ||
| $article.find( 'table' ).remove(); | ||
| $para = $article; | ||
| } | ||
| const pageId = Object.keys( data.query.pages )[ 0 ]; | ||
| const extract = data.query.pages[ pageId ].extract; | ||
|
|
||
| $para.find( 'a' ).each( function() { | ||
| var $this = $( this ); | ||
| var href = $this.attr( 'href' ); | ||
|
|
||
| // remove citation links | ||
| if( /\[\d*\]/.test( $this.text() ) ) { | ||
| $this.remove(); | ||
| } | ||
| // unlink references to the same page and Wikipedia info pages | ||
| else if( href.indexOf( '#' ) === 0 || /^\/wiki\/(.*)\:/.test( href ) ) { | ||
| $this.replaceWith( '<span>'+$this.html()+'</span>' ); | ||
| } | ||
| // internal Wikipedia links trigger a new search inside the story | ||
| else if( href.indexOf( '/wiki/' ) === 0 ) { | ||
| $this.on( 'click', function( e ) { | ||
| vorple.prompt.queueCommand( 'look up ' + decodeURI( href.substr( 6 ).replace( /\_/g, ' ' ) ) ); | ||
| e.preventDefault(); | ||
| }); | ||
| } | ||
| // external links open in new window | ||
| else { | ||
| $this.attr( 'target', '_blank' ); | ||
| } | ||
| }); | ||
|
|
||
| // remove edit links | ||
| $para.find( '.editsection' ).remove(); | ||
| if( !extract ) { | ||
| // nothing was found, throw an error so that the "you find nothing" text can be printed | ||
| throw new Error(); | ||
| } | ||
|
|
||
| // remove references and other Wiki markup | ||
| $para.find( 'sup' ).remove(); | ||
| // turn line breaks into paragraph breaks by duplicating all line breaks (\n) | ||
| const paragraphs = extract.replace( /\n+/g, '\n\n' ); | ||
|
|
||
| $( '.dictionary-entry:last' ).append( $para ); | ||
| break; | ||
| } | ||
| // show the result on the page | ||
| $dictEntry.append( '<span>' + paragraphs + '\n</span>' ); | ||
| } | ||
| catch( e ) { | ||
| // An error is to be expected when there are no search results | ||
| $dictEntry.html( 'You find nothing about that topic.' ); | ||
| // an error is to be expected when there are no search results | ||
| $dictEntry.html( '<span>You find nothing about that topic.\n</span>' ); | ||
| } | ||
|
|
||
| vorple.layout.scrollToEnd(); | ||
| // scroll to show the text | ||
| vorple.layout.scrollTo( $dictEntry ); | ||
|
|
||
| // let the player continue playing | ||
| vorple.layout.unblock(); | ||
| vorple.parser.unhide(); | ||
| vorple.prompt.unhide(); | ||
| } | ||
| ); | ||
| } | ||
|
|