Fix for application of tooltip causing error in population of symbols.

README.md

@@ -42,6 +42,7 @@ To find your plugins directory...
 
 # Changelog
 
+* **0.23** - Fix for application of tooltip causing error in population of symbols.
 * **0.22** - Second attempt at fix for select box not populating correctly when swapping individual symbols.
 * **0.21** - Fix for select box not populating correctly when swapping individual symbols.
 * **0.20** - Improved select boxes when swapping instances, fixed broken check for updates after library swapping.

Symbol Swapper.sketchplugin/Contents/Sketch/manifest.json

@@ -3,7 +3,7 @@
 	"description" : "Swap the selected symbols and/or symbol instances to another master, or swap entire libraries.",
 	"author" : "Jason Burns",
 	"homepage" : "https://github.com/sonburn/symbol-swapper",
-	"version" : "0.22",
+	"version" : "0.23",
 	"identifier" : "com.sonburn.sketchplugins.symbol-swapper",
 	"appcast" : "https://raw.githubusercontent.com/sonburn/symbol-swapper/master/appcast.xml",
 	"icon" : "icon.png",

Symbol Swapper.sketchplugin/Contents/Sketch/script.js

@@ -1102,12 +1102,17 @@ function getLibrary(context) {
 	alertWindow.addAccessoryView(symbolMaster);
 
 	symbolMaster.setEnabled(0);
-	symbolMaster.setToolTip(symbolArray[symbolMaster.indexOfSelectedItem()]);
+
+	if (symbolMaster.numberOfItems() > 0) {
+		symbolMaster.setToolTip(symbolArray[symbolMaster.indexOfSelectedItem()]);
+	}
 
 	// Create the symbol master delegate
 	var symbolMasterDelegate = new MochaJSDelegate({
 		"comboBoxSelectionDidChange:" : (function() {
-			symbolMaster.setToolTip(symbolArray[symbolMaster.indexOfSelectedItem()]);
+			var tooltip = (symbolMaster.numberOfItems() > 0) ? symbolArray[symbolMaster.indexOfSelectedItem()] : '';
+
+			symbolMaster.setToolTip(tooltip);
 		})
 	});
 

appcast.xml

@@ -6,15 +6,15 @@
 		<description>Swap the selected symbols and/or symbol instances to another master.</description>
 		<language>en</language>
 		<item>
-			<title>Version 0.22</title>
+			<title>Version 0.23</title>
 			<description>
 				<![CDATA[
 				<ul>
-				<li>Second attempt at fix for select box not populating correctly when swapping individual symbols.</li>
+				<li>Fix for application of tooltip causing error in population of symbols.</li>
 				</ul>
 				]]>
 			</description>
-			<enclosure url="https://github.com/sonburn/symbol-swapper/archive/master.zip" sparkle:version="0.22" />
+			<enclosure url="https://github.com/sonburn/symbol-swapper/archive/master.zip" sparkle:version="0.23" />
 		</item>
 	</channel>
 </rss>