onContentSelected(oEvent) {
			var sSource = oEvent.getSource();
			var sContentBindingPath = sSource.getBindingContextPath().substring(1);
			var sContentModelData = this.getView().getModel("content").getData();
			var sContent = sContentModelData[sContentBindingPath];
			var sContentName = sContent.name;
			var sContentFileType = sContentModelData[sContentBindingPath].fileType;
			var oRouter = UIComponent.getRouterFor(this);

			this.sNamespace = (this.sNamespace ? this.sNamespace : "/");

			if (sContentFileType) {
				// show details to a file
				var mRouteParameters = {
					layer: this.sLayer,
					namespace: encodeURIComponent(this.sNamespace),
					fileName: sContentName,
					fileType: sContentFileType
				};
				oRouter.navTo("ContentDetails", mRouteParameters);
			} else {
				// navigation to a namespace
				this.sNamespace += `${sContentName}/`;
				oRouter.navTo("LayerContentMaster", {layer: this.sLayer, namespace: encodeURIComponent(this.sNamespace)});
			}
		}
Handles the selection of a layer entry in the master page;
Gathers the selected namespace and the current layer, then navigates to the target.
@param {object} oEvent - Press event of master components list
@public