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Diffstat (limited to 'resources/src/mediawiki.legacy/ajax.js')
| -rw-r--r-- | resources/src/mediawiki.legacy/ajax.js | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/resources/src/mediawiki.legacy/ajax.js b/resources/src/mediawiki.legacy/ajax.js new file mode 100644 index 00000000..6b9464a9 --- /dev/null +++ b/resources/src/mediawiki.legacy/ajax.js @@ -0,0 +1,194 @@ +/** + * Remote Scripting Library + * Copyright 2005 modernmethod, inc + * Under the open source BSD license + * http://www.modernmethod.com/sajax/ + */ + +/*jshint camelcase:false */ +/*global alert */ +( function ( mw ) { + +/** + * if sajax_debug_mode is true, this function outputs given the message into + * the element with id = sajax_debug; if no such element exists in the document, + * it is injected. + */ +function debug( text ) { + if ( !window.sajax_debug_mode ) { + return false; + } + + var b, m, + e = document.getElementById( 'sajax_debug' ); + + if ( !e ) { + e = document.createElement( 'p' ); + e.className = 'sajax_debug'; + e.id = 'sajax_debug'; + + b = document.getElementsByTagName( 'body' )[0]; + + if ( b.firstChild ) { + b.insertBefore( e, b.firstChild ); + } else { + b.appendChild( e ); + } + } + + m = document.createElement( 'div' ); + m.appendChild( document.createTextNode( text ) ); + + e.appendChild( m ); + + return true; +} + +/** + * Compatibility wrapper for creating a new XMLHttpRequest object. + */ +function createXhr() { + debug( 'sajax_init_object() called..' ); + var a; + try { + // Try the new style before ActiveX so we don't + // unnecessarily trigger warnings in IE 7 when + // set to prompt about ActiveX usage + a = new XMLHttpRequest(); + } catch ( xhrE ) { + try { + a = new window.ActiveXObject( 'Msxml2.XMLHTTP' ); + } catch ( msXmlE ) { + try { + a = new window.ActiveXObject( 'Microsoft.XMLHTTP' ); + } catch ( msXhrE ) { + a = null; + } + } + } + if ( !a ) { + debug( 'Could not create connection object.' ); + } + + return a; +} + +/** + * Perform an AJAX call to MediaWiki. Calls are handled by AjaxDispatcher.php + * func_name - the name of the function to call. Must be registered in $wgAjaxExportList + * args - an array of arguments to that function + * target - the target that will handle the result of the call. If this is a function, + * if will be called with the XMLHttpRequest as a parameter; if it's an input + * element, its value will be set to the resultText; if it's another type of + * element, its innerHTML will be set to the resultText. + * + * Example: + * sajax_do_call( 'doFoo', [1, 2, 3], document.getElementById( 'showFoo' ) ); + * + * This will call the doFoo function via MediaWiki's AjaxDispatcher, with + * (1, 2, 3) as the parameter list, and will show the result in the element + * with id = showFoo + */ +function doAjaxRequest( func_name, args, target ) { + var i, x, uri, post_data; + uri = mw.util.wikiScript() + '?action=ajax'; + if ( window.sajax_request_type === 'GET' ) { + if ( uri.indexOf( '?' ) === -1 ) { + uri = uri + '?rs=' + encodeURIComponent( func_name ); + } else { + uri = uri + '&rs=' + encodeURIComponent( func_name ); + } + for ( i = 0; i < args.length; i++ ) { + uri = uri + '&rsargs[]=' + encodeURIComponent( args[i] ); + } + //uri = uri + '&rsrnd=' + new Date().getTime(); + post_data = null; + } else { + post_data = 'rs=' + encodeURIComponent( func_name ); + for ( i = 0; i < args.length; i++ ) { + post_data = post_data + '&rsargs[]=' + encodeURIComponent( args[i] ); + } + } + x = createXhr(); + if ( !x ) { + alert( 'AJAX not supported' ); + return false; + } + + try { + x.open( window.sajax_request_type, uri, true ); + } catch ( e ) { + if ( location.hostname === 'localhost' ) { + alert( 'Your browser blocks XMLHttpRequest to "localhost", try using a real hostname for development/testing.' ); + } + throw e; + } + if ( window.sajax_request_type === 'POST' ) { + x.setRequestHeader( 'Method', 'POST ' + uri + ' HTTP/1.1' ); + x.setRequestHeader( 'Content-Type', 'application/x-www-form-urlencoded' ); + } + x.setRequestHeader( 'Pragma', 'cache=yes' ); + x.setRequestHeader( 'Cache-Control', 'no-transform' ); + x.onreadystatechange = function () { + if ( x.readyState !== 4 ) { + return; + } + + debug( 'received (' + x.status + ' ' + x.statusText + ') ' + x.responseText ); + + //if ( x.status != 200 ) + // alert( 'Error: ' + x.status + ' ' + x.statusText + ': ' + x.responseText ); + //else + + if ( typeof target === 'function' ) { + target( x ); + } else if ( typeof target === 'object' ) { + if ( target.tagName === 'INPUT' ) { + if ( x.status === 200 ) { + target.value = x.responseText; + } + //else alert( 'Error: ' + x.status + ' ' + x.statusText + ' (' + x.responseText + ')' ); + } else { + if ( x.status === 200 ) { + target.innerHTML = x.responseText; + } else { + target.innerHTML = '<div class="error">Error: ' + x.status + + ' ' + x.statusText + ' (' + x.responseText + ')</div>'; + } + } + } else { + alert( 'Bad target for sajax_do_call: not a function or object: ' + target ); + } + }; + + debug( func_name + ' uri = ' + uri + ' / post = ' + post_data ); + x.send( post_data ); + debug( func_name + ' waiting..' ); + + return true; +} + +/** + * @return {boolean} Whether the browser supports AJAX + */ +function wfSupportsAjax() { + var request = createXhr(), + supportsAjax = request ? true : false; + + request = undefined; + return supportsAjax; +} + +// Expose + Mark as deprecated +var deprecationNotice = 'Sajax is deprecated, use jQuery.ajax or mediawiki.api instead.'; + +// Variables +mw.log.deprecate( window, 'sajax_debug_mode', false, deprecationNotice ); +mw.log.deprecate( window, 'sajax_request_type', 'GET', deprecationNotice ); +// Methods +mw.log.deprecate( window, 'sajax_debug', debug, deprecationNotice ); +mw.log.deprecate( window, 'sajax_init_object', createXhr, deprecationNotice ); +mw.log.deprecate( window, 'sajax_do_call', doAjaxRequest, deprecationNotice ); +mw.log.deprecate( window, 'wfSupportsAjax', wfSupportsAjax, deprecationNotice ); + +}( mediaWiki ) ); |