From bcfb88c09cadc732b0accbdd7c07be0342e2b918 Mon Sep 17 00:00:00 2001
From: Zach <32652349+zwelz3@users.noreply.github.com>
Date: Fri, 25 Jun 2021 14:11:20 -0400
Subject: [PATCH] GH-116: Add buffer to SelectMultiple (#117)

* GH-116: Add buffer to widget.
---
 CONTRIBUTING.md                                       | 6 ++++--
 src/ipyradiant/visualization/cytoscape/__init__.py    | 6 +++++-
 src/ipyradiant/visualization/cytoscape/interactive.py | 4 ++--
 3 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 971afb8..c6e7b05 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -91,7 +91,8 @@ doit all
   anaconda-project run --env-spec build twine upload dist/ipyradiant*
   ```
 
-> Note: If you have issues with twine (on windows), you may need to manually activate the build environment (`conda activate envs/build`) and run the twine commands.
+> Note: If you have issues with twine (on windows), you may need to manually activate
+> the build environment (`conda activate envs/build`) and run the twine commands.
 
 - Check hashes on `pypi` after the upload completes
 - Complete `conda-forge` tasks
@@ -100,7 +101,8 @@ doit all
   - update `recipe/meta.yml` (version and sha for tar)
   - submit PR to conda-forge feedstock (go through checklist). DO NOT PUSH DIRECTLY
   - wait for CI, merge (requires write permissions) and wait for CI again
-  - once CI is done, the new package version should be visible on [conda-forge][conda-forge-ipyradiant]
+  - once CI is done, the new package version should be visible on
+    [conda-forge][conda-forge-ipyradiant]
 
 [radiance-si-units]: https://en.wikipedia.org/wiki/Radiance#SI_radiometry_units
 [conda-forge-ipyradiant]: https://anaconda.org/conda-forge/ipyradiant
diff --git a/src/ipyradiant/visualization/cytoscape/__init__.py b/src/ipyradiant/visualization/cytoscape/__init__.py
index 71a2c87..0eb067d 100644
--- a/src/ipyradiant/visualization/cytoscape/__init__.py
+++ b/src/ipyradiant/visualization/cytoscape/__init__.py
@@ -1,7 +1,11 @@
 # Copyright (c) 2021 ipyradiant contributors.
 # Distributed under the terms of the Modified BSD License.
 
-__all__ = ["CytoscapeViewer", "CytoscapeVisualizer", "InteractiveViewer"]
+__all__ = [
+    "CytoscapeViewer",
+    "CytoscapeVisualizer",
+    "InteractiveViewer",
+]
 
 from .app import CytoscapeVisualizer
 from .interactive import InteractiveViewer
diff --git a/src/ipyradiant/visualization/cytoscape/interactive.py b/src/ipyradiant/visualization/cytoscape/interactive.py
index a775e8e..e0b44ff 100644
--- a/src/ipyradiant/visualization/cytoscape/interactive.py
+++ b/src/ipyradiant/visualization/cytoscape/interactive.py
@@ -395,7 +395,7 @@ def update_rdf_graph(self, change):
         # set options, value, and row counts
         self.type_selector.options = select_options
         self.type_selector.value = tuple(uri for _, uri in select_options)
-        self.type_selector.rows = len(select_options)
+        self.type_selector.rows = len(select_options) + 1
 
         # build options for the predicate MultiSelect
         select_options = []
@@ -406,7 +406,7 @@ def update_rdf_graph(self, change):
         # set options, value, and row counts
         self.predicate_selector.options = select_options
         self.predicate_selector.value = tuple(uri for _, uri in select_options)
-        self.predicate_selector.rows = len(select_options)
+        self.predicate_selector.rows = len(select_options) + 1
 
         color_classes = self.assign_css_classes()
         self.apply_node_styling(change=None)