1 files changed, 35 insertions, 0 deletions
diff --git a/includes/htmlform/HTMLSelectLimitField.php b/includes/htmlform/HTMLSelectLimitField.php
new file mode 100644
index 00000000..e7f1c047
--- /dev/null
+++ b/includes/htmlform/HTMLSelectLimitField.php
@@ -0,0 +1,35 @@
+<?php
+
+/**
+ * A limit dropdown, which accepts any valid number
+ */
+class HTMLSelectLimitField extends HTMLSelectField {
+	/**
+	 * Basically don't do any validation. If it's a number that's fine. Also,
+	 * add it to the list if it's not there already
+	 *
+	 * @param string $value
+	 * @param array $alldata
+	 * @return bool
+	 */
+	function validate( $value, $alldata ) {
+		if ( $value == '' ) {
+			return true;
+		}
+
+		// Let folks pick an explicit limit not from our list, as long as it's a real numbr.
+		if ( !in_array( $value, $this->mParams['options'] )
+			&& $value == intval( $value )
+			&& $value > 0
+		) {
+			// This adds the explicitly requested limit value to the drop-down,
+			// then makes sure it's sorted correctly so when we output the list
+			// later, the custom option doesn't just show up last.
+			$this->mParams['options'][$this->mParent->getLanguage()->formatNum( $value )] =
+				intval( $value );
+			asort( $this->mParams['options'] );
+		}
+
+		return true;
+	}
+}