java - How to cut/copy/paste text to JTextField when some JComponent is clicked? -

i'm creating custom popup menu, using extended jcomponent menu items , extended jwindow hold them. question - how send signal jcomponent instance when it's clicked (has mouselistener) jtextfield perform cut/copy/paste actions?

edit:

i try explain more precisely.

jtextfield class (simplified):

public class textinputfield extends jtextfield implements focuslistener {          private menupopupwindow popup;          public textinputfield() {              popup = new menupopupwindow();//menupopupwindow class extends jwindow             menuitem paste = new menuitem("paste",                                           new imageicon(getclass().getresource("/images/paste_icon.png")),                                          "ctrl+v");//menuitem class extends jcomponent, has implemented mouselistener - , when mouseclicked(mouseevent e) occurs, somehow action signal have sent class             menuitem copy = ....             menuitem cut = ....               action pasteaction = getactionmap().get(defaulteditorkit.pasteaction);             paste.setaction(pasteaction);//how make work?               popup.addmenuitem(paste);             popup.addmenuitem(cut);             popup.addmenuitem(copy);          }         } 

how right?

in light of posted code, think need in textinputfield class, add:

paste.addactionlistener(pasteaction); 

then in menuitem class have put in code call action listeners.

public class menuitem implements mouselistener {     ...     @override public void mouseclicked(mouseevent event)     {         actionlistener[] listeners = (actionlistener[])             menuitem.this.getlisteners(actionlistener.class);         for(int = 0; < listeners.length; i++)         {             listeners[i].actionperformed             (                 new actionevent(menuitem.this,someid, somecmdname)             );         }     } 

in class extends jcomponent (i'll call class 'a') need reference jtextfield. simple way add private instance variable of type jtextfield class a, , pass in jtextfield through constructor.

so class should this:

public class extends jcomponent implements actionlistener {     private jtextfield updatefield;      public a(jtextfield updatefield[,<your other contructor arguments>...])     {         this.updatefield = updatefield;         this.addactionlistener(this);     }      public void actionperformed(actionevent event)     {         if(event.getsource().equals(this)         {             //copy, paste or whatever jtextfield             //by way of this.updatefield;             //e.g. this.updatefield.settext(...);             //or pass event along jtextfield's handlers             //this.updatefield.dispatchevent(event);         }     } } 

then have remember pass jtextfield constructor when create component