feat(store): state if there is a focused page element can not be set …

…and read from store

src/store/index.ts

@@ -16,6 +16,7 @@ export class Store {
 	@MobX.observable private projects: Project[] = [];
 	@MobX.observable private patternRoot: PatternFolder;
 	@MobX.observable private selectedElement?: PageElement | undefined;
+	@MobX.observable private elementHasFocus?: boolean = false;
 	@MobX.observable private styleGuidePath: string;
 
 	public addProject(project: Project): void {
@@ -84,6 +85,10 @@ export class Store {
 		return this.selectedElement;
 	}
 
+	public getElementFocus(): boolean | undefined {
+		return this.elementHasFocus;
+	}
+
 	public getStyleGuidePath(): string {
 		return this.styleGuidePath;
 	}
@@ -166,4 +171,8 @@ export class Store {
 	public unsetSelectedElement(): void {
 		this.selectedElement = undefined;
 	}
+
+	public setElementFocus(state: boolean): void {
+		this.elementHasFocus = state;
+	}
 }