Examples of org.springframework.binding.value.ValueModel

Package org.springframework.binding.value

Examples of org.springframework.binding.value.ValueModel

org.springframework.binding.value.ValueModel
Describes models with a generic access to a single value that allow to observe value changes. The value can be accessed using the #getValue()/#setValue(Object)/ #setValueSilently(Object, PropertyChangeListener) methods. Observers can register instances of PropertyChangeListener to be notified if the value changes.
The listeners registered with this ValueModel using #addValueChangeListener will be invoked only with PropertyChangeEvents that have the name set to "value".
AbstractValueModel minimizes the effort required to implement this interface. It uses the PropertyChangeSupport to fire PropertyChangeEvents, and it adds PropertyChangeListeners for the specific property name "value". This ensures that the constraint mentioned above is met. @see org.springframework.binding.value.support.AbstractValueModel @author Karsten Lentzsch @author Keith Donald @author Oliver Hutchison

      updateLabel();
    }


    private void subscribe() {
      for (int i = 0; i < argumentHolders.length; i++) {
        ValueModel argHolder = argumentHolders[i];
        argHolder.addValueChangeListener(this);
      }
    }

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    }


    private void updateLabel() {
      Object[] argValues = new Object[argumentHolders.length];
      for (int i = 0; i < argumentHolders.length; i++) {
        ValueModel argHolder = argumentHolders[i];
        argValues[i] = argHolder.getValue();
      }
      getLabelInfo(getRequiredMessage(labelKey, argValues)).configureLabel(label);
    }

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      builder.add("surname");
      builder.row();
      builder.add("title");
      builder.row();
      ConfigurableFormModel formModel = getFormModel();
      ValueModel derivedValueModel = new MessageFormatValueModel("{2} {1} {0}", new ValueModel[] {
          getValueModel("name"), getValueModel("surname"), getValueModel("title") });
      FieldMetadata fieldMetaData = new ReadOnlyFieldMetadata(getFormModel(), String.class);
      formModel.add("derivedValue", derivedValueModel, fieldMetaData);
      builder.add("derivedValue");
      return builder.getForm();

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    protected boolean isEnabled() {
        return fieldMetadata.isEnabled();
    }


    protected ValueModel getValueModel() {
        ValueModel valueModel = (requiredSourceClass == null) ? formModel.getValueModel(formPropertyPath)
                : formModel.getValueModel(formPropertyPath, requiredSourceClass);
        Assert.notNull(valueModel, "Unable to locate value model for property '" + formPropertyPath + "'.");
        return valueModel;
    }

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            }
        });


        widget.getTable().addMouseListener(new PopupMenuMouseListener(popupMenu));


        ValueModel selectionHolder = new ListSelectionValueModelAdapter(widget.getTable().getSelectionModel());
        new ListSingleSelectionGuard(selectionHolder, deleteExecutor);
        new ListSingleSelectionGuard(selectionHolder, propertiesExecutor);


        JPanel view = new JPanel(new BorderLayout());
        view.add(widget.getTextFilterField(), BorderLayout.NORTH);

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            // These guard objects operate by inspecting a list selection model
            // (held within a ValueModel) and then either enabling or disabling the
            // guarded object (our executors) based on the configured criteria.
            // This configuration greatly simplifies the interaction between commands
            // that require a selection on which to operate.
            ValueModel selectionHolder = new ListSelectionValueModelAdapter(contactTable.getSelectionModel());
            new ListSingleSelectionGuard(selectionHolder, deleteExecutor);
            new ListSingleSelectionGuard(selectionHolder, propertiesExecutor);


            return contactTable;
        }

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        this.textComponent = textComponent;
    }


    protected JComponent doBindControl()
    {
        final ValueModel valueModel = getValueModel();
        try
        {
            textComponent.setText((String) valueModel.getValue());
        }
        catch (ClassCastException e)
        {
            IllegalArgumentException ex = new IllegalArgumentException("Class cast exception converting '"
                    + getProperty() + "' property value to string - did you install a type converter?");

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        final Map context = new HashMap(4);


        context.put(ShuttleListBinder.FORM_ID, formModel.getId());


        final ValueModel selectionValueModel = formModel.getValueModel(selectionFormProperty);
        context.put(SELECTED_ITEMS_HOLDER_KEY, selectionValueModel);


        final Class selectionPropertyType = formModel.getFieldMetadata(selectionFormProperty).getPropertyType();
        if( selectionPropertyType != null ) {
            context.put(SELECTED_ITEM_TYPE_KEY, selectionPropertyType);

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     * 
     * @deprecated
     */
    public ObservableList createBoundListModel(String formProperty) {
        final ConfigurableFormModel formModel = ((ConfigurableFormModel)getFormModel());
        ValueModel valueModel = formModel.getValueModel(formProperty);
        if (!(valueModel instanceof BufferedCollectionValueModel)) {
            // XXX: HACK!
            valueModel = new BufferedCollectionValueModel((((DefaultFormModel) formModel).getFormObjectPropertyAccessStrategy()).getPropertyValueModel(
                    formProperty), formModel.getFieldMetadata(formProperty).getPropertyType());
            formModel.add(formProperty, valueModel);
        }
        return (ObservableList)valueModel.getValue();
    }

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      Binding b = bf.createBinding("birthday", context);
      builder.add(b);
//      builder.add("birthday");
      builder.row();
      ConfigurableFormModel formModel = getFormModel();
      ValueModel derivedValueModel = new MessageFormatValueModel("{0} {1} was born on {2}", new ValueModel[] {
          getValueModel("name"), getValueModel("surname"), getValueModel("birthday") });
      FieldMetadata fieldMetaData = new ReadOnlyFieldMetadata(getFormModel(), String.class);
      formModel.add("derivedBirthday", derivedValueModel, fieldMetaData);
      builder.add("derivedBirthday");
      return builder.getForm();

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