source/lib/VBDockPanel.js
// Click event handler for a connection's tab item header

Click event handler for a connection's tab item header
Click event handler for a connection ' s tab item header
onConnTabClick(e, conn) {
    if (e.target) {
      this.selectTab(e.target, conn)
    }
  }
onConnTabClick ( e , conn ) { if ( e . target ) { this . selectTab ( e . target , conn ) } }
Click event handler for a connection's tab item header
Click event handler for a connection ' s tab item header
// Remove "selected" from all other tabs' classes
 // Select this tab's class to include "selected"
 // Set all other (or current) tabs' display to 'none'
 // Set this tab's display to 'block'.
