1 files changed, 355 insertions, 0 deletions
diff --git a/common/upload.js b/common/upload.js
new file mode 100644
index 0000000..7933caf
--- /dev/null
+++ b/common/upload.js
@@ -0,0 +1,355 @@
+/*jshint camelcase:false */
+( function ( mw, $ ) {
+var	licenseSelectorCheck, wgUploadWarningObj, wgUploadLicenseObj, fillDestFilename,
+	ajaxUploadDestCheck = mw.config.get( 'wgAjaxUploadDestCheck' ),
+	fileExtensions = mw.config.get( 'wgFileExtensions' ),
+	$spinnerDestCheck, $spinnerLicense;
+
+licenseSelectorCheck = window.licenseSelectorCheck = function () {
+	var selector = document.getElementById( 'wpLicense' ),
+		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 ein,
+		selector, ua, isMacIe, i,
+		optionsTable, row, td,
+		wpLicense, wpLicenseRow, wpLicenseTbody,
+		uploadSourceIds, len, onchange,
+		e = document.getElementById( 'wpSourceTypeurl' );
+	if ( e ) {
+		if ( !e.checked ) {
+			ein = document.getElementById( 'wpUploadFileURL' );
+			if ( ein ) {
+				ein.disabled = true;
+			}
+		}
+	}
+
+	// For MSIE/Mac: non-breaking spaces cause the <option> not to render.
+	// But for some reason, setting the text to itself works
+	selector = document.getElementById( 'wpLicense' );
+	if ( selector ) {
+		ua = navigator.userAgent;
+		isMacIe = ua.indexOf( 'MSIE' ) !== -1 && ua.indexOf( 'Mac' ) !== -1;
+		if ( isMacIe ) {
+			for ( 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 () {
+			wgUploadWarningObj.checkNow( this.value );
+		};
+		// Insert a row where the warnings will be displayed just below the
+		// wpDestFile row
+		optionsTable = document.getElementById( 'mw-htmlform-description' ).tBodies[0];
+		row = optionsTable.insertRow( 1 );
+		td = document.createElement( 'td' );
+		td.id = 'wpDestFile-warning';
+		td.colSpan = 2;
+
+		row.appendChild( td );
+	}
+
+	wpLicense = document.getElementById( 'wpLicense' );
+	if ( mw.config.get( 'wgAjaxLicensePreview' ) && wpLicense ) {
+		// License selector check
+		wpLicense.onchange = licenseSelectorCheck;
+
+		// License selector table row
+		wpLicenseRow = wpLicense.parentNode.parentNode;
+		wpLicenseTbody = wpLicenseRow.parentNode;
+
+		row = document.createElement( 'tr' );
+		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
+	uploadSourceIds = mw.config.get( 'wgUploadSourceIds' );
+	len = uploadSourceIds.length;
+	onchange = function () {
+		fillDestFilename( this.id );
+	};
+	for ( i = 0; i < len; i += 1 ) {
+		document.getElementById( uploadSourceIds[i] ).onchange = onchange;
+	}
+}
+
+wgUploadWarningObj = window.wgUploadWarningObj = {
+	responseCache: { '': '&nbsp;' },
+	nameToCheck: '',
+	typing: false,
+	delay: 500, // ms
+	timeoutID: false,
+
+	keypress: function () {
+		var cached, destFile, warningElt;
+
+		if ( !ajaxUploadDestCheck ) {
+			return;
+		}
+
+		// Find file to upload
+		destFile = document.getElementById( 'wpDestFile' );
+		warningElt = document.getElementById( 'wpDestFile-warning' );
+		if ( !destFile || !warningElt ) {
+			return;
+		}
+
+		this.nameToCheck = destFile.value;
+
+		// Clear timer
+		if ( this.timeoutID ) {
+			clearTimeout( this.timeoutID );
+		}
+		// Check response cache
+		for ( cached in this.responseCache ) {
+			if ( this.nameToCheck === cached ) {
+				this.setWarning(this.responseCache[this.nameToCheck]);
+				return;
+			}
+		}
+
+		this.timeoutID = setTimeout( function () {
+			wgUploadWarningObj.timeout();
+		}, this.delay );
+	},
+
+	checkNow: function ( fname ) {
+		if ( !ajaxUploadDestCheck ) {
+			return;
+		}
+		if ( this.timeoutID ) {
+			clearTimeout( this.timeoutID );
+		}
+		this.nameToCheck = fname;
+		this.timeout();
+	},
+
+	timeout: function () {
+		if ( !ajaxUploadDestCheck || this.nameToCheck === '' ) {
+			return;
+		}
+		$spinnerDestCheck = $.createSpinner().insertAfter( '#wpDestFile' );
+
+		var uploadWarningObj = this;
+		( new mw.Api() ).get( {
+			action: 'query',
+			titles: ( new mw.Title( this.nameToCheck, mw.config.get( 'wgNamespaceIds' ).file ) ).getPrefixedText(),
+			prop: 'imageinfo',
+			iiprop: 'uploadwarning',
+			indexpageids: ''
+		} ).done( function ( result ) {
+			var resultOut = '';
+			if ( result.query ) {
+				resultOut = result.query.pages[result.query.pageids[0]].imageinfo[0];
+			}
+			uploadWarningObj.processResult( resultOut, uploadWarningObj.nameToCheck );
+		} );
+	},
+
+	processResult: function ( result, fileName ) {
+		$spinnerDestCheck.remove();
+		$spinnerDestCheck = undefined;
+		this.setWarning( result.html );
+		this.responseCache[fileName] = result.html;
+	},
+
+	setWarning: function ( warning ) {
+		var warningElt = document.getElementById( 'wpDestFile-warning' ),
+			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 ) {
+			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;
+		}
+	}
+};
+
+fillDestFilename = window.fillDestFilename = function ( id ) {
+	var e, path, slash, backslash, fname,
+		found, ext, i,
+		destFile;
+	if ( !mw.config.get( 'wgUploadAutoFill' ) ) {
+		return;
+	}
+	if ( !document.getElementById ) {
+		return;
+	}
+	// Remove any previously flagged errors
+	e = document.getElementById( 'mw-upload-permitted' );
+	if ( e ) {
+		e.className = '';
+	}
+
+	e = document.getElementById( 'mw-upload-prohibited' );
+	if ( e ) {
+		e.className = '';
+	}
+
+	path = document.getElementById( id ).value;
+	// Find trailing part
+	slash = path.lastIndexOf( '/' );
+	backslash = path.lastIndexOf( '\\' );
+	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' ) {
+		found = false;
+		if ( fname.lastIndexOf( '.' ) !== -1 ) {
+			ext = fname.substr( fname.lastIndexOf( '.' ) + 1 );
+			for ( 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 = '';
+			e = document.getElementById( 'mw-upload-permitted' );
+			if ( e ) {
+				e.className = 'error';
+			}
+
+			e = document.getElementById( 'mw-upload-prohibited' );
+			if ( e ) {
+				e.className = 'error';
+			}
+
+			// Clear wpDestFile as well
+			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
+	destFile = document.getElementById( 'wpDestFile' );
+	if ( destFile ) {
+		// Call decodeURIComponent function to remove possible URL-encoded characters
+		// from the file name (bug 30390). Especially likely with upload-form-url.
+		// decodeURIComponent can throw an exception in input is invalid utf-8
+		try {
+			destFile.value = decodeURIComponent( fname );
+		} catch ( err ) {
+			destFile.value = fname;
+		}
+		wgUploadWarningObj.checkNow( fname );
+	}
+};
+
+window.toggleFilenameFiller = function () {
+	if ( !document.getElementById ) {
+		return;
+	}
+	var destName = document.getElementById( 'wpDestFile' ).value;
+	mw.config.set( 'wgUploadAutoFill', !destName );
+};
+
+wgUploadLicenseObj = window.wgUploadLicenseObj = {
+
+	responseCache: { '': '' },
+
+	fetchPreview: function ( license ) {
+		var cached, title;
+		if ( !mw.config.get( 'wgAjaxLicensePreview' ) ) {
+			return;
+		}
+		for ( cached in this.responseCache ) {
+			if ( cached === license ) {
+				this.showPreview( this.responseCache[license] );
+				return;
+			}
+		}
+
+		$spinnerLicense = $.createSpinner().insertAfter( '#wpLicense' );
+
+		title = document.getElementById( 'wpDestFile' ).value;
+		if ( !title ) {
+			title = 'File:Sample.jpg';
+		}
+
+		( new mw.Api() ).get( {
+			action: 'parse',
+			text: '{{' + license + '}}',
+			title: title,
+			prop: 'text',
+			pst: ''
+		} ).done( function ( result ) {
+			wgUploadLicenseObj.processResult( result, license );
+		} );
+	},
+
+	processResult: function ( result, license ) {
+		$spinnerLicense.remove();
+		$spinnerLicense = undefined;
+		this.responseCache[license] = result.parse.text['*'];
+		this.showPreview( this.responseCache[license] );
+	},
+
+	showPreview: function ( preview ) {
+		var previewPanel = document.getElementById( 'mw-license-preview' );
+		if ( previewPanel.innerHTML !== preview ) {
+			previewPanel.innerHTML = preview;
+		}
+	}
+
+};
+
+$( uploadSetup );
+
+}( mediaWiki, jQuery ) );