Change to always show the sensor controls. (#526)

sim/visuals/nodes/colorSensorView.ts

@@ -1,7 +1,7 @@
-/// <reference path="./moduleView.ts" />
+/// <reference path="./sensorView.ts" />
 
 namespace pxsim.visuals {
-    export class ColorSensorView extends ModuleView implements LayoutElement {
+    export class ColorSensorView extends SensorView implements LayoutElement {
 
         private control: ColorGridControl;
 

sim/visuals/nodes/gyroSensorView.ts

@@ -1,7 +1,7 @@
-/// <reference path="./moduleView.ts" />
+/// <reference path="./sensorView.ts" />
 
 namespace pxsim.visuals {
-    export class GyroSensorView extends ModuleView implements LayoutElement {
+    export class GyroSensorView extends SensorView implements LayoutElement {
 
         constructor(port: number) {
             super(GYRO_SVG, "gyro", NodeType.GyroSensor, port);

sim/visuals/nodes/infraredview.ts

@@ -1,7 +1,7 @@
 /// <reference path="./moduleView.ts" />
 
 namespace pxsim.visuals {
-    export class InfraredView extends ModuleView implements LayoutElement {
+    export class InfraredView extends SensorView implements LayoutElement {
 
         constructor(port: number) {
             super(INFRARED_SVG, "infrared", NodeType.InfraredSensor, port);

sim/visuals/nodes/sensorView.ts

@@ -0,0 +1,19 @@
+/// <reference path="./moduleView.ts" />
+
+namespace pxsim.visuals {
+
+    export abstract class SensorView extends ModuleView implements LayoutElement {
+
+        constructor(xml: string, prefix: string, id: NodeType, port: NodeType) {
+            super(xml, prefix, id, port);
+        }
+
+        public getSelected() {
+            return true;
+        }
+
+        public hasClose() {
+            return false;
+        }
+    }
+}

sim/visuals/nodes/ultrasonicView.ts

@@ -1,7 +1,7 @@
-/// <reference path="./moduleView.ts" />
+/// <reference path="./sensorView.ts" />
 
 namespace pxsim.visuals {
-    export class UltrasonicSensorView extends ModuleView implements LayoutElement {
+    export class UltrasonicSensorView extends SensorView implements LayoutElement {
 
         constructor(port: number) {
             super(ULTRASONIC_SVG, "ultrasonic", NodeType.UltrasonicSensor, port);