        el = this.$.viewContainer;
        }
        if (this.activeElement) {
          this.activeElement.classList.remove('active');
          this.activeElement.classList.remove('active-resizable');
        }
        el.classList.add('active');
        if (el.getAttribute("data-noresize") != "true") {
          el.classList.add('active-resizable');
        }
        // Tell everyone who cares about this.
        this.$.canvasControls.selectedElement =
          this.$.viewContainer.selectedElement = thi