Examples of ptolemy.kernel.util.NamedObj.requestChange()

ptolemy.kernel.util.NamedObj.requestChange()
Request that the given change be executed. In this base class, delegate the change request to the container, if there is one. If there is no container, then execute the request immediately, unless this object is deferring change requests. If setDeferChangeRequests() has been called with a true argument, then simply queue the request until either setDeferChangeRequests() is called with a false argument or executeChangeRequests() is called. If this object is already in the middle of executing a change request, then that execution is finished before this one is performed. Change listeners will be notified of success (or failure) of the request when it is executed. @param change The requested change. @see #executeChangeRequests() @see #setDeferringChangeRequests(boolean) @see Changeable

                                + argument.getName() + "\"/>\n";


                        ChangeRequest request = new MoMLChangeRequest(this,
                                container, moml);
                        container.addChangeListener(this);
                        container.requestChange(request);
                    }
                }
            }
        } else if (buttonPressed().equals("Help")) {
            help(configuration);

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                                moml.append(_highlightColor.exportMoML());
                                moml.append("</entity>");
                            }
                        }
                        moml.append("</group>");
                        container.requestChange(new MoMLChangeRequest(this,
                                container, moml.toString()));
                    } else {
                        // Clear all highlights.
                        StringBuffer moml = new StringBuffer("<group>");
                        for (Object entity : ((CompositeEntity) container)

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                                        .append("<deleteProperty name=\"_highlightColor\"/>");
                                moml.append("</entity>");
                            }
                        }
                        moml.append("</group>");
                        container.requestChange(new MoMLChangeRequest(this,
                                container, moml.toString()));
                    }
                }
            } catch (IllegalActionException e1) {
                MessageHandler.error("Failed to set highlight colors", e1);

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            NamedObj actor = getTarget();
            StringBuffer moml = new StringBuffer("<group>");
            HashSet<NamedObj> visited = new HashSet<NamedObj>();
            _addHighlights(actor, moml, visited, _forward, _clear);
            moml.append("</group>");
            actor.requestChange(new MoMLChangeRequest(this, actor
                    .getContainer(), moml.toString()));
        }


        private boolean _forward, _clear;
    }

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                            _setAttributeName(attributeName);
                            _deferred = false;
                        }
                    };
                    _deferred = true;
                    container.requestChange(request);
                }
                _attribute = null;
            } else if (_attribute != newAttribute) {
                if (_attribute != null) {
                    _attribute.removeValueListener(this);

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                protected void _execute() throws IllegalActionException {
                    MoveAction.move(elements, MoveAction.TO_FIRST, container);
                }
            };


            container.requestChange(request);
        }
    }


    ///////////////////////////////////////////////////////////////////
    //// MoveToFrontAction

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                protected void _execute() throws IllegalActionException {
                    MoveAction.move(elements, MoveAction.TO_LAST, container);
                }
            };


            container.requestChange(request);
        }
    }


    ///////////////////////////////////////////////////////////////////
    //// PasteAction

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            // Note: The source is NOT the graph model.
            MoMLChangeRequest request = new MoMLChangeRequest(this, container,
                    moml);
            request.setUndoable(true);
            container.requestChange(request);
        }
    }


    /** The model for links that connect two ports, or a port and a vertex.
     */

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            moml.append("</relation>");


            MoMLChangeRequest request = new MoMLChangeRequest(this, toplevel,
                    moml.toString());
            request.setUndoable(true);
            toplevel.requestChange(request);
        }
    }


    ///////////////////////////////////////////////////////////////////
    //// RelationCreator

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            moml.append("</group>");


            MoMLChangeRequest request = new OffsetMoMLChangeRequest(this,
                    container, moml.toString());
            container.requestChange(request);
        }
    }


    ///////////////////////////////////////////////////////////////////
    ////                         private variables                 ////

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