Replace getTarget with getFirstTarget

src/style_manager/view/PropertyStackView.js

@@ -191,7 +191,7 @@ export default PropertyCompositeView.extend({
     const layers = this.getLayers();
     const detached = model.get('detached');
     const property = model.get('property');
-    const target = this.getTarget();
+    const target = this.getFirstTarget();
     const valueComput = this.getComputedValue();
     const selected = em.getSelected();
     const updateOpts = { fromTarget: 1 };
@@ -281,7 +281,7 @@ export default PropertyCompositeView.extend({
   getTargetValue(opts = {}) {
     const { model } = this;
     const { detached } = model.attributes;
-    const target = this.getTarget();
+    const target = this.getFirstTarget();
     let result = PropertyCompositeView.prototype.getTargetValue.call(
       this,
       opts

src/style_manager/view/PropertyView.js

@@ -170,6 +170,10 @@ export default Backbone.View.extend({
     return targets || [this.getTarget()];
   },
 
+  getFirstTarget() {
+    return this.getTargets()[0];
+  },
+
   /**
    * Returns Styleable model
    * @return {Model|null}
@@ -212,7 +216,7 @@ export default Backbone.View.extend({
 
   emitUpdateTarget: debounce(function() {
     const em = this.config.em;
-    em && em.trigger('styleManager:update:target', this.getTarget());
+    em && em.trigger('styleManager:update:target', this.getFirstTarget());
   }),
 
   _getTargetData() {
@@ -345,7 +349,7 @@ export default Backbone.View.extend({
   getTargetValue(opts = {}) {
     let result;
     const { model } = this;
-    const target = this.getTargets()[0];
+    const target = this.getFirstTarget();
     const customFetchValue = this.customValue;
 
     if (!target) {
@@ -463,7 +467,7 @@ export default Backbone.View.extend({
    */
   updateTargetStyle(value, name = '', opts = {}) {
     const property = name || this.model.get('property');
-    const target = opts.target || this.getTarget();
+    const target = opts.target || this.getFirstTarget();
     const style = target.getStyle();
 
     if (value) {
@@ -492,7 +496,7 @@ export default Backbone.View.extend({
    * @return {Boolean}
    */
   isTargetStylable(target) {
-    const trg = target || this.getTarget();
+    const trg = target || this.getFirstTarget();
     const model = this.model;
     const id = model.get('id');
     const property = model.get('property');