1 files changed, 61 insertions, 0 deletions
diff --git a/www/wiki/resources/src/mediawiki.special/mediawiki.special.block.js b/www/wiki/resources/src/mediawiki.special/mediawiki.special.block.js
new file mode 100644
index 00000000..ba931951
--- /dev/null
+++ b/www/wiki/resources/src/mediawiki.special/mediawiki.special.block.js
@@ -0,0 +1,61 @@
+/*!
+ * JavaScript for Special:Block
+ */
+( function ( mw, $ ) {
+	// Like OO.ui.infuse(), but if the element doesn't exist, return null instead of throwing an exception.
+	function infuseOrNull( elem ) {
+		try {
+			return OO.ui.infuse( elem );
+		} catch ( er ) {
+			return null;
+		}
+	}
+
+	$( function () {
+		// This code is also loaded on the "block succeeded" page where there is no form,
+		// so username and expiry fields might also be missing.
+		var blockTargetWidget = infuseOrNull( 'mw-bi-target' ),
+			anonOnlyField = infuseOrNull( $( '#mw-input-wpHardBlock' ).closest( '.oo-ui-fieldLayout' ) ),
+			enableAutoblockField = infuseOrNull( $( '#mw-input-wpAutoBlock' ).closest( '.oo-ui-fieldLayout' ) ),
+			hideUserField = infuseOrNull( $( '#mw-input-wpHideUser' ).closest( '.oo-ui-fieldLayout' ) ),
+			watchUserField = infuseOrNull( $( '#mw-input-wpWatch' ).closest( '.oo-ui-fieldLayout' ) ),
+			// mw.widgets.SelectWithInputWidget
+			expiryWidget = infuseOrNull( 'mw-input-wpExpiry' );
+
+		function updateBlockOptions() {
+			var blocktarget = blockTargetWidget.getValue().trim(),
+				isEmpty = blocktarget === '',
+				isIp = mw.util.isIPAddress( blocktarget, true ),
+				isIpRange = isIp && blocktarget.match( /\/\d+$/ ),
+				isNonEmptyIp = isIp && !isEmpty,
+				expiryValue = expiryWidget.dropdowninput.getValue(),
+				// infinityValues  are the values the SpecialBlock class accepts as infinity (sf. wfIsInfinity)
+				infinityValues = [ 'infinite', 'indefinite', 'infinity', 'never' ],
+				isIndefinite = infinityValues.indexOf( expiryValue ) !== -1 ||
+					( expiryValue === 'other' && infinityValues.indexOf( expiryWidget.textinput.getValue() ) !== -1 );
+
+			if ( enableAutoblockField ) {
+				enableAutoblockField.toggle( !( isNonEmptyIp ) );
+			}
+			if ( hideUserField ) {
+				hideUserField.toggle( !( isNonEmptyIp || !isIndefinite ) );
+			}
+			if ( anonOnlyField ) {
+				anonOnlyField.toggle( !( !isIp && !isEmpty ) );
+			}
+			if ( watchUserField ) {
+				watchUserField.toggle( !( isIpRange && !isEmpty ) );
+			}
+		}
+
+		if ( blockTargetWidget ) {
+			// Bind functions so they're checked whenever stuff changes
+			blockTargetWidget.on( 'change', updateBlockOptions );
+			expiryWidget.dropdowninput.on( 'change', updateBlockOptions );
+			expiryWidget.textinput.on( 'change', updateBlockOptions );
+
+			// Call them now to set initial state (ie. Special:Block/Foobar?wpBlockExpiry=2+hours)
+			updateBlockOptions();
+		}
+	} );
+}( mediaWiki, jQuery ) );