AssetBundleGraph.AssetBundleGraphEditorWindow.DrawGUIToolBar C# (CSharp) Method

        private void DrawGUIToolBar()
        {
            using (new EditorGUILayout.HorizontalScope(EditorStyles.toolbar)) {
                if (GUILayout.Button(new GUIContent("Refresh", reloadButtonTexture.image, "Refresh and reload"), EditorStyles.toolbarButton, GUILayout.Width(80), GUILayout.Height(AssetBundleGraphGUISettings.TOOLBAR_HEIGHT))) {
                    Setup(ActiveBuildTarget);
                }
                showErrors = GUILayout.Toggle(showErrors, "Show Error", EditorStyles.toolbarButton, GUILayout.Height(AssetBundleGraphGUISettings.TOOLBAR_HEIGHT));

                GUILayout.FlexibleSpace();

                if(isAnyIssueFound) {
                    GUIStyle errorStyle = new GUIStyle("ErrorLabel");
                    errorStyle.alignment = TextAnchor.MiddleCenter;
                    GUILayout.Label("All errors needs to be fixed before building", errorStyle);
                    GUILayout.FlexibleSpace();
                }

                GUIStyle tbLabel = new GUIStyle(EditorStyles.toolbar);

                tbLabel.alignment = TextAnchor.MiddleCenter;

                GUIStyle tbLabelTarget = new GUIStyle(tbLabel);
                tbLabelTarget.fontStyle = FontStyle.Bold;

                GUILayout.Label("Platform:", tbLabel, GUILayout.Height(AssetBundleGraphGUISettings.TOOLBAR_HEIGHT));
            //				GUILayout.Label(BuildTargetUtility.TargetToHumaneString(ActiveBuildTarget), tbLabelTarget, GUILayout.Height(AssetBundleGraphGUISettings.TOOLBAR_HEIGHT));

                var supportedTargets = NodeGUIUtility.SupportedBuildTargets;
                int currentIndex = Mathf.Max(0, supportedTargets.FindIndex(t => t == selectedTarget));

                int newIndex = EditorGUILayout.Popup(currentIndex, NodeGUIUtility.supportedBuildTargetNames,
                    EditorStyles.toolbarButton, GUILayout.Width(150), GUILayout.Height(AssetBundleGraphGUISettings.TOOLBAR_HEIGHT));

                if(newIndex != currentIndex) {
                    selectedTarget = supportedTargets[newIndex];
                    Setup(ActiveBuildTarget);
                }

                using(new EditorGUI.DisabledScope(isAnyIssueFound)) {
                    if (GUILayout.Button("Build", EditorStyles.toolbarButton, GUILayout.Height(AssetBundleGraphGUISettings.TOOLBAR_HEIGHT))) {
                        SaveGraph();
                        Run(ActiveBuildTarget);
                    }
                }
            }
        }