Dialog: Fixed #3901, #3918, #3930: Don't let the minHeight for dialogs be negative...

diff --git a/ui/ui.dialog.js b/ui/ui.dialog.js
index e3b5bd1bce25fa387b0f651d521f6fa132375456..756c3950e93fc27e09b1f53641552b884a141cb0 100644 (file)
--- a/ui/ui.dialog.js
+++ b/ui/ui.dialog.js
@@ -472,7 +472,7 @@ $.widget("ui.dialog", {
 
                this.element
                        .css({
-                               minHeight: options.minHeight - nonContentHeight,
+                               minHeight: Math.max(options.minHeight - nonContentHeight, 0),
                                height: options.height == 'auto'
                                        ? 'auto'
                                        : options.height - nonContentHeight