From 98b679a57e2702c96929ed3653207f136660c4a5 Mon Sep 17 00:00:00 2001
From: Fintan O'Sullivan <fintanosullivan14@gmail.com>
Date: Fri, 11 Dec 2020 14:28:38 +1300
Subject: [PATCH] Added more features to gui (including data layer dropdown)

---
 helloworld/helloworld.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/helloworld/helloworld.py b/helloworld/helloworld.py
index e64eedc..f5fd962 100644
--- a/helloworld/helloworld.py
+++ b/helloworld/helloworld.py
@@ -188,6 +188,13 @@ def run(self):
         if self.first_start == True:
             self.first_start = False
             self.dlg = helloWorldDialog()
+			
+		# Fetch the currently loaded layers
+		layers = QgsProject.instance().layerTreeRoot().children()
+		# Clear the contents of the comboBox from previous runs
+		self.dlg.comboBox.clear()
+		# Populate the comboBox with names of all the loaded layers
+		self.dlg.comboBox.addItems([layer.name() for layer in layers])
 
         # show the dialog
         self.dlg.show()