IEP-975: Bug fix for recommended button in Tools Installation Wizard (#782)

* IEP-975: Bug fix for recommended button in Tools Installation Wizard

* esp home directory not present causing failure on download.

Author: alirana01

bundles/com.espressif.idf.ui/src/com/espressif/idf/ui/tools/ToolsInstallationHandler.java

@@ -550,6 +550,12 @@ public InstallToolsThread(Map<ToolsVO, List<VersionsVO>> selectedItems,
 		@Override
 		public Boolean call() throws Exception
 		{
+			File espMainFolder = new File(ToolsUtility.ESPRESSIF_HOME_DIR);
+			if (!espMainFolder.exists())
+			{
+				espMainFolder.mkdirs();
+			}
+			
 			for (ToolsVO toolsVo : selectedItems.keySet())
 			{
 				if (Thread.interrupted())

bundles/com.espressif.idf.ui/src/com/espressif/idf/ui/tools/wizard/pages/InstallPreRquisitePage.java

@@ -123,6 +123,7 @@ public void createControl(Composite parent)
 			String[] versions = pythonVersions.keySet().toArray(new String[pythonVersions.size()]);
 			pythonVersionCombo.setItems(versions);
 			pythonVersionCombo.select(0); // select the first one
+			pythonExecutablePath = pythonVersions.get(versions[0]);
 			pythonVersionCombo.addModifyListener(new ModifyListener()
 			{
 				@Override

bundles/com.espressif.idf.ui/src/com/espressif/idf/ui/tools/wizard/pages/ManageToolsInstallationWizardPage.java

@@ -954,12 +954,10 @@ public void widgetSelected(SelectionEvent e)
 				boolean alwaysInstall = toolsVO.getInstallType().equalsIgnoreCase(ALWAYS)
 						|| toolsVO.getInstallType().equalsIgnoreCase(RECOMMENDED);
 				mainItem.setChecked(alwaysInstall);
-
-				for (TreeItem subItem : mainItem.getItems())
-				{
-					subItem.setChecked(alwaysInstall);
-				}
-
+				Event swtCheckedTreeEvent = new Event();
+				swtCheckedTreeEvent.detail = SWT.CHECK;
+				swtCheckedTreeEvent.item = mainItem;
+				toolsTree.notifyListeners(SWT.Selection, swtCheckedTreeEvent);
 				mainItem.setExpanded(alwaysInstall);
 			}