Diffusion Subversion Code

rSVN/trunk/phase3/skins/common/upload.js
rSVN115794

upload.js
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	( function () {
	var ajaxUploadDestCheck = mw.config.get( 'wgAjaxUploadDestCheck' ),
	fileExtensions = mw.config.get( 'wgFileExtensions' );

	window.licenseSelectorCheck = function() {
	var selector = document.getElementById( "wpLicense" );
	var selection = selector.options[selector.selectedIndex].value;
	if( selector.selectedIndex > 0 ) {
	if( selection == "" ) {
	// Option disabled, but browser is broken and doesn't respect this
	selector.selectedIndex = 0;
	}
	}
	// We might show a preview
	wgUploadLicenseObj.fetchPreview( selection );
	};

	function uploadSetup() {
	// Disable URL box if the URL copy upload source type is not selected
	var e = document.getElementById( 'wpSourceTypeurl' );
	if( e ) {
	if( !e.checked ) {
	var ein = document.getElementById( 'wpUploadFileURL' );
	if(ein)
	ein.setAttribute( 'disabled', 'disabled' );
	}
	}

	// For MSIE/Mac: non-breaking spaces cause the <option> not to render.
	// But for some reason, setting the text to itself works
	var selector = document.getElementById("wpLicense");
	if (selector) {
	var ua = navigator.userAgent;
	var isMacIe = (ua.indexOf("MSIE") != -1) && (ua.indexOf("Mac") != -1);
	if (isMacIe) {
	for (var i = 0; i < selector.options.length; i++) {
	selector.options[i].text = selector.options[i].text;
	}
	}
	}

	// AJAX wpDestFile warnings
	if ( ajaxUploadDestCheck ) {
	// Insert an event handler that fetches upload warnings when wpDestFile
	// has been changed
	document.getElementById( 'wpDestFile' ).onchange = function ( e ) {
	wgUploadWarningObj.checkNow(this.value);
	};
	// Insert a row where the warnings will be displayed just below the
	// wpDestFile row
	var optionsTable = document.getElementById( 'mw-htmlform-description' ).tBodies[0];
	var row = optionsTable.insertRow( 1 );
	var td = document.createElement( 'td' );
	td.id = 'wpDestFile-warning';
	td.colSpan = 2;

	row.appendChild( td );
	}

	var wpLicense = document.getElementById( 'wpLicense' );
	if ( mw.config.get( 'wgAjaxLicensePreview' ) && wpLicense ) {
	// License selector check
	wpLicense.onchange = licenseSelectorCheck;

	// License selector table row
	var wpLicenseRow = wpLicense.parentNode.parentNode;
	var wpLicenseTbody = wpLicenseRow.parentNode;

	var row = document.createElement( 'tr' );
	var td = document.createElement( 'td' );
	row.appendChild( td );
	td = document.createElement( 'td' );
	td.id = 'mw-license-preview';
	row.appendChild( td );

	wpLicenseTbody.insertBefore( row, wpLicenseRow.nextSibling );
	}


	// fillDestFile setup
	var i,
	uploadSourceIds = mw.config.get( 'wgUploadSourceIds' ),
	len = uploadSourceIds.length;
	for ( i = 0; i < len; i += 1 )
	document.getElementById( uploadSourceIds[i] ).onchange = function (e) {
	fillDestFilename( this.id );
	};
	};


	window.wgUploadWarningObj = {
	'responseCache' : { '' : ' ' },
	'nameToCheck' : '',
	'typing': false,
	'delay': 500, // ms
	'timeoutID': false,

	'keypress': function () {
	if ( !ajaxUploadDestCheck \|\| !sajax_init_object() ) return;

	// Find file to upload
	var destFile = document.getElementById('wpDestFile');
	var warningElt = document.getElementById( 'wpDestFile-warning' );
	if ( !destFile \|\| !warningElt ) return ;

	this.nameToCheck = destFile.value ;

	// Clear timer
	if ( this.timeoutID ) {
	window.clearTimeout( this.timeoutID );
	}
	// Check response cache
	for (cached in this.responseCache) {
	if (this.nameToCheck == cached) {
	this.setWarning(this.responseCache[this.nameToCheck]);
	return;
	}
	}

	this.timeoutID = window.setTimeout( 'wgUploadWarningObj.timeout()', this.delay );
	},

	'checkNow': function (fname) {
	if ( !ajaxUploadDestCheck \|\| !sajax_init_object() ) return;
	if ( this.timeoutID ) {
	window.clearTimeout( this.timeoutID );
	}
	this.nameToCheck = fname;
	this.timeout();
	},

	'timeout' : function() {
	if ( !ajaxUploadDestCheck \|\| !sajax_init_object() ) return;
	injectSpinner( document.getElementById( 'wpDestFile' ), 'destcheck' );

	// Get variables into local scope so that they will be preserved for the
	// anonymous callback. fileName is copied so that multiple overlapping
	// ajax requests can be supported.
	var obj = this;
	var fileName = this.nameToCheck;
	sajax_do_call( 'SpecialUpload::ajaxGetExistsWarning', [this.nameToCheck],
	function (result) {
	obj.processResult(result, fileName)
	}
	);
	},

	'processResult' : function (result, fileName) {
	removeSpinner( 'destcheck' );
	this.setWarning(result.responseText);
	this.responseCache[fileName] = result.responseText;
	},

	'setWarning' : function (warning) {
	var warningElt = document.getElementById( 'wpDestFile-warning' );
	var ackElt = document.getElementsByName( 'wpDestFileWarningAck' );

	this.setInnerHTML(warningElt, warning);

	// Set a value in the form indicating that the warning is acknowledged and
	// doesn't need to be redisplayed post-upload
	if ( warning == '' \|\| warning == ' ' ) {
	ackElt[0].value = '';
	} else {
	ackElt[0].value = '1';
	}

	},
	'setInnerHTML' : function (element, text) {
	// Check for no change to avoid flicker in IE 7
	if (element.innerHTML != text) {
	element.innerHTML = text;
	}
	}
	};

	window.fillDestFilename = function(id) {
	if ( !mw.config.get( 'wgUploadAutoFill' ) ) {
	return;
	}
	if (!document.getElementById) {
	return;
	}
	// Remove any previously flagged errors
	var e = document.getElementById( 'mw-upload-permitted' );
	if( e ) e.className = '';

	var e = document.getElementById( 'mw-upload-prohibited' );
	if( e ) e.className = '';

	var path = document.getElementById(id).value;
	// Find trailing part
	var slash = path.lastIndexOf('/');
	var backslash = path.lastIndexOf('\\');
	var fname;
	if (slash == -1 && backslash == -1) {
	fname = path;
	} else if (slash > backslash) {
	fname = path.substring(slash+1, 10000);
	} else {
	fname = path.substring(backslash+1, 10000);
	}

	// Clear the filename if it does not have a valid extension.
	// URLs are less likely to have a useful extension, so don't include them in the
	// extension check.
	if ( mw.config.get( 'wgStrictFileExtensions' ) && fileExtensions && id !== 'wpUploadFileURL' ) {
	var found = false;
	if ( fname.lastIndexOf( '.' ) !== -1 ) {
	var ext = fname.substr( fname.lastIndexOf( '.' ) + 1 );
	for ( var i = 0; i < fileExtensions.length; i += 1 ) {
	if ( fileExtensions[i].toLowerCase() === ext.toLowerCase() ) {
	found = true;
	break;
	}
	}
	}
	if( !found ) {
	// Not a valid extension
	// Clear the upload and set mw-upload-permitted to error
	document.getElementById(id).value = '';
	var e = document.getElementById( 'mw-upload-permitted' );
	if( e ) e.className = 'error';

	var e = document.getElementById( 'mw-upload-prohibited' );
	if( e ) e.className = 'error';

	// Clear wpDestFile as well
	var e = document.getElementById( 'wpDestFile' );
	if( e ) e.value = '';

	return false;
	}
	}

	// Replace spaces by underscores
	fname = fname.replace( / /g, '_' );
	// Capitalise first letter if needed
	if ( mw.config.get( 'wgCapitalizeUploads' ) ) {
	fname = fname.charAt( 0 ).toUpperCase().concat( fname.substring( 1, 10000 ) );
	}

	// Output result
	var destFile = document.getElementById('wpDestFile');
	if (destFile) {
	destFile.value = fname;
	wgUploadWarningObj.checkNow(fname) ;
	}
	};

	window.toggleFilenameFiller = function() {
	if(!document.getElementById) return;
	var upfield = document.getElementById('wpUploadFile');
	var destName = document.getElementById('wpDestFile').value;
	wgUploadAutoFill = ( destName == '' \|\| destName == ' ' );
	};

	window.wgUploadLicenseObj = {

	'responseCache' : { '' : '' },

	'fetchPreview': function( license ) {
	if ( !mw.config.get( 'wgAjaxLicensePreview' ) ) return;
	for (cached in this.responseCache) {
	if (cached == license) {
	this.showPreview( this.responseCache[license] );
	return;
	}
	}
	injectSpinner( document.getElementById( 'wpLicense' ), 'license' );

	var title = document.getElementById('wpDestFile').value;
	if ( !title ) title = 'File:Sample.jpg';

	var url = mw.util.wikiScript( 'api' )
	+ '?action=parse&text={{' + encodeURIComponent( license ) + '}}'
	+ '&title=' + encodeURIComponent( title )
	+ '&prop=text&pst&format=json';

	var req = sajax_init_object();
	req.onreadystatechange = function() {
	if ( req.readyState == 4 && req.status == 200 )
	wgUploadLicenseObj.processResult( eval( '(' + req.responseText + ')' ), license );
	};
	req.open( 'GET', url, true );
	req.send( '' );
	},

	'processResult' : function( result, license ) {
	removeSpinner( 'license' );
	this.responseCache[license] = result['parse']['text']['*'];
	this.showPreview( this.responseCache[license] );
	},

	'showPreview' : function( preview ) {
	var previewPanel = document.getElementById( 'mw-license-preview' );
	if( previewPanel.innerHTML != preview )
	previewPanel.innerHTML = preview;
	}

	};

	$( document ).ready( uploadSetup );

	}() );