Example usage for org.eclipse.jface.databinding.swt ISWTObservable getWidget

List of usage examples for org.eclipse.jface.databinding.swt ISWTObservable getWidget

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Introduction

In this page you can find the example usage for org.eclipse.jface.databinding.swt ISWTObservable getWidget.

Prototype

public Widget getWidget();

Source Link

Document

Returns the widget of this observable

Usage

From source file:com.netxforge.screens.editing.base.util.DecorationService.java

License:Open Source License

public void registerBindingContext(final DataBindingContext ctx) {

    if (this.ctx == null) {
        this.ctx = ctx;
    } else {/*  ww  w  .  j ava  2  s .  co  m*/
        return;
    }

    AggregateValidationStatus aggregateStatus = new AggregateValidationStatus(
            ctx.getValidationStatusProviders(), AggregateValidationStatus.MAX_SEVERITY);

    aggregateStatus.addValueChangeListener(new IValueChangeListener() {
        public void handleValueChange(ValueChangeEvent event) {
            // Get the severity type, converted for the new status.
            List<IMessage> messages = getMessages(event);
            fireFormValidationEvent(messages);
        }
    });

    // Deprecated, use the MessageManager to do the decoration, do not use
    // our own
    // control registry! See the Validation
    aggregateStatus.addChangeListener(new IChangeListener() {
        public void handleChange(ChangeEvent event) {
            // Loop through the bindings.
            for (Object o : ctx.getBindings()) {
                Binding binding = (Binding) o;
                IStatus status = (IStatus) binding.getValidationStatus().getValue();
                Control control = null;

                // Note updating targets for writables, will not work here.
                if (binding.getTarget() instanceof ISWTObservable) {
                    ISWTObservable swtObservable = (ISWTObservable) binding.getTarget();
                    control = (Control) swtObservable.getWidget();
                }
                if (binding.getTarget() instanceof WritableValue) {
                    // FIXME We can't determine control for writables.
                }
                ControlDecoration decoration = getDecoration(control);
                if (decoration != null) {
                    if (status.isOK()) {
                        decoration.hide();
                    } else {
                        decoration.setDescriptionText(status.getMessage());
                        decoration.show();
                    }
                } else {
                    System.out.println("Error: Decorator not set for control:" + control);
                }
            }
        }

    });

    observablesMgr.addObservable(aggregateStatus);
}

From source file:com.netxforge.screens.editing.base.util.DecorationService.java

License:Open Source License

/**
 * Get all IMessages for this context.//from   w  ww .jav a 2s . c o m
 * 
 * @deprecated
 * @param ctx
 * @return
 */
protected List<IMessage> getMessages(DataBindingContext ctx) {

    // Iterate over the messages.
    List<IMessage> iMessages = new ArrayList<IMessage>();

    for (Object o : ctx.getBindings()) {
        Binding binding = (Binding) o;
        final IStatus status = (IStatus) binding.getValidationStatus().getValue();

        Control control = null;
        if (binding.getTarget() instanceof ISWTObservable) {
            ISWTObservable swtObservable = (ISWTObservable) binding.getTarget();
            control = (Control) swtObservable.getWidget();
        } else {
            if (binding.getTarget() instanceof DateChooserComboObservableValue) {
                DateChooserComboObservableValue dcObverable = (DateChooserComboObservableValue) binding
                        .getTarget();
                control = dcObverable.combo;
            }
            System.out.println(binding.getTarget().toString());

        }
        // if (!status.isOK()) {
        System.out.println("Creating message" + status.toString());
        iMessages.add(new MessageFromStatus(control, status));
        // CB Let MessageManager do the deoration.
        // ControlDecoration decoration
        // = decoratorMap.get(control);
        // if (decoration != null) {
        // if (status.isOK()) {
        // decoration.hide();
        // } else {
        // decoration
        // .setDescriptionText(status.getMessage());
        // decoration.show();
        // }
        // }
        // }
    }
    // Iterator<?> it = ctx.getValidationStatusProviders().iterator();
    // while (it.hasNext()) {
    // ValidationStatusProvider validationStatusProvider =
    // (ValidationStatusProvider) it
    // .next();
    // final IStatus status = (IStatus) validationStatusProvider
    // .getValidationStatus().getValue();
    //
    // if (!status.isOK()) {
    // iMessages.add(new IMessage() {
    // public Control getControl() {
    // return null;
    // }
    //
    // public Object getData() {
    // return null;
    // }
    //
    // public Object getKey() {
    // return null;
    // }
    //
    // public String getPrefix() {
    // return null;
    // }
    //
    // public String getMessage() {
    // return status.getMessage();
    // }
    //
    // public int getMessageType() {
    // return convertType(status.getSeverity());
    // }
    // });
    // }
    // }
    return iMessages;
}

From source file:com.netxforge.screens.editing.base.util.DecorationService.java

License:Open Source License

/**
 * Creates {@link IMessage}s from a {@link ValueChangeEvent }. The
 * {@link Control} is derived from the the {@link IObservableValue } which is
 * part of the event. </br></br> Currently supported observables:
 * <ul>//from w  ww .  java  2 s  .  co  m
 * <li>{@link ISWTObservable}</li>
 * <li>{@link DateChooserComboObservableValue}</li>
 * </ul>
 * The {@link IMessage} implementation is a {@link MessageFromStatus}, which
 * wraps the {@link IStatus} from the the event.
 * 
 * @param event
 * @return a collection of {@link IMessage}.
 */
protected List<IMessage> getMessages(ValueChangeEvent event) {
    // Iterate over the messages.
    List<IMessage> iMessages = new ArrayList<IMessage>();

    if (event.diff.getNewValue() instanceof IStatus) {
        IStatus status = (IStatus) event.diff.getNewValue();

        IObservableValue observableValue = event.getObservableValue();

        Control control = null;
        if (observableValue instanceof ISWTObservable) {
            ISWTObservable swtObservable = (ISWTObservable) observableValue;
            control = (Control) swtObservable.getWidget();
        } else {
            if (observableValue instanceof DateChooserComboObservableValue) {
                DateChooserComboObservableValue dcObverable = (DateChooserComboObservableValue) observableValue;
                control = dcObverable.combo;
            }
        }
        iMessages.add(new MessageFromStatus(control, status));
    }
    return iMessages;
}

From source file:de.uniluebeck.itm.spyglass.gui.configuration.DatabindingErrorHandler.java

License:Open Source License

@Override
public void handleValueChange(final ValueChangeEvent event) {

    // I found no way to find the specific widget/Binding which caused
    // this change event. Alas, we have to iterate through all of them...
    for (final Object o : dbc.getValidationStatusProviders()) {
        final ValidationStatusProvider prov = (ValidationStatusProvider) o;

        final Status status = (Status) prov.getValidationStatus().getValue();

        for (final Object o2 : prov.getTargets()) {
            final IObservable observable = (IObservable) o2;

            ///*from w  ww.  j a  v  a  2s  .  c o  m*/
            if (observable instanceof ISWTObservable) {
                final ISWTObservable observable2 = (ISWTObservable) observable;
                final Widget w = observable2.getWidget();

                assert w instanceof Control;
                if (w instanceof Control) {
                    final Control c = (Control) w;

                    updateToolTip(status, c);
                }
            } else {
                if (!status.isOK()) {
                    log.warn(status.getMessage(), status.getException());
                }
            }
        }

    }

}

From source file:de.uniluebeck.itm.spyglass.gui.configuration.DatabindingErrorHandler.java

License:Open Source License

@Override
public void handleListChange(final ListChangeEvent event) {

    // if a binding gets disposed while it contains a validation error, we have to notice this
    // to remove the information bubble
    for (final ListDiffEntry e : event.diff.getDifferences()) {
        if (!e.isAddition()) {
            final Binding b = (Binding) e.getElement();
            if (b.getTarget() instanceof ISWTObservable) {
                final ISWTObservable obs = (ISWTObservable) b.getTarget();
                assert obs.getWidget() instanceof Control;
                final Control c = (Control) obs.getWidget();
                if (tipMap.containsKey(c)) {
                    destroyToolTip(c, tipMap.get(c));
                }/* w  w w  . ja  v  a 2s .com*/
            }
        }
    }

}

From source file:gov.redhawk.internal.ui.editor.validation.ValidatingService34.java

License:Open Source License

private boolean checkBindingFor34(Object observed, Object valueType, final ISWTObservable swtObservable,
        final Diagnostic diagnostic, final IMessageManager messageManager) {
    final List<?> diagnosticData = diagnostic.getData();
    if (diagnosticData.size() >= 2) {
        if (diagnosticData.get(0) == observed) {
            if (diagnosticData.get(1) == valueType) {
                Widget widget = swtObservable.getWidget();
                if (widget instanceof Control && !(widget instanceof Button)) {
                    final Control control = (Control) widget;
                    messageManager.addMessage(swtObservable, diagnostic.getMessage(), null,
                            ValidatingService.KEY_MAP.getMessageProviderKey(diagnostic.getSeverity()), control);
                    return true;
                }//from ww w  . j  a v a 2 s . com
            }
        }
    }
    return false;
}

From source file:gov.redhawk.ui.editor.SCAFormEditor.java

License:Open Source License

/**
 * Sets focus on the correct control./*from w ww.ja  va  2 s.co  m*/
 * 
 * @param emfObservable
 * @param swtObservable
 * @param object
 * @param featureID
 * @return
 */
private boolean selectFeature(final EditingDomainEObjectObservableValue emfObservable,
        final ISWTObservable swtObservable, final EObject object, final int featureID) {
    boolean retVal = false;
    final Object observed = emfObservable.getObserved();
    if (emfObservable.getValueType() instanceof EStructuralFeature) {
        final int myId = ((EStructuralFeature) emfObservable.getValueType()).getFeatureID();
        if (object == observed) {
            if (featureID == myId) {
                if (swtObservable.getWidget() instanceof Control) {
                    final Control control = (Control) swtObservable.getWidget();
                    control.setFocus();
                    retVal = true;
                }
            }
        }
    }
    return retVal;
}

From source file:org.eclipse.etrice.ui.common.dialogs.AbstractPropertyDialog.java

License:Open Source License

@Override
protected void createFormContent(IManagedForm mform) {
    toolkit = mform.getToolkit();//from ww  w.  j  a  va 2s.  com
    bindingContext = new DataBindingContext();

    Form form = mform.getForm().getForm();
    form.setText(title);

    form.setImage(getImage());
    mform.getToolkit().decorateFormHeading(form);

    Composite body = form.getBody();
    body.setLayout(new GridLayout(2, false));
    body.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    validationLabel = toolkit.createLabel(body, "", SWT.NONE);
    validationLabel.setText("ERROR:");
    validationLabel.setForeground(getShell().getDisplay().getSystemColor(SWT.COLOR_RED));

    validationText = toolkit.createLabel(body, "", SWT.NONE);
    validationText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    createContent(mform, body, bindingContext);

    aggregateValidationStatus = new AggregateValidationStatus(bindingContext.getBindings(),
            AggregateValidationStatus.MAX_SEVERITY);

    bindingContext.bindValue(SWTObservables.observeText(validationText), aggregateValidationStatus, null, null);

    aggregateValidationStatus.addChangeListener(new IChangeListener() {
        public void handleChange(ChangeEvent event) {

            boolean ok = true;
            for (Object o : bindingContext.getBindings()) {
                Binding binding = (Binding) o;
                IStatus status = (IStatus) binding.getValidationStatus().getValue();
                Control control = null;
                if (binding.getTarget() instanceof ISWTObservable) {
                    ISWTObservable swtObservable = (ISWTObservable) binding.getTarget();
                    control = (Control) swtObservable.getWidget();
                }
                ControlDecoration decoration = decoratorMap.get(control);
                if (decoration != null) {
                    if (status.isOK()) {
                        decoration.hide();
                    } else {
                        ok = false;
                        decoration.setDescriptionText(status.getMessage());
                        decoration.show();
                    }
                }
            }
            updateValidationFeedback(ok);
        }
    });
}

From source file:org.eclipse.pde.emfforms.internal.validation.ValidatingService35.java

License:Open Source License

private boolean checkBinding(IObserving emfObservable, ISWTObservable swtObservable, Diagnostic diagnostic,
        IMessageManager messageManager) {
    List<?> diagnosticData = diagnostic.getData();
    if (diagnosticData.size() >= 2) {
        if (diagnosticData.get(0) == emfObservable.getObserved()) {
            if ((emfObservable instanceof IObservableValue
                    && (diagnosticData.get(1) == ((IObservableValue) emfObservable).getValueType()))
                    || (emfObservable instanceof IObservableList
                            && (diagnosticData.get(1) == ((IObservableList) emfObservable).getElementType()))) {
                if (swtObservable.getWidget() instanceof Control) {
                    Control control = (Control) swtObservable.getWidget();
                    messageManager.addMessage(swtObservable, diagnostic.getMessage(), null,
                            keyMap.getMessageProviderKey(diagnostic.getSeverity()), control);

                    return true;
                }// w  w w  .  j  a  v a  2 s. co  m
            }
        }
    }
    return false;
}

From source file:org.goko.common.bindings.AbstractController.java

License:Open Source License

/**
 * Adds binding for the header displaying validation messages
 * @param source the label in which the errors will be displayed
 * @throws GkException GkException/*from   www.  j a v  a 2  s  .  c  om*/
 */
public void addValidationMessagesBinding(final Label source) throws GkException {

    AggregateValidationStatus aggValidationStatus = new AggregateValidationStatus(bindingContext.getBindings(),
            AggregateValidationStatus.MAX_SEVERITY);
    aggValidationStatus.addChangeListener(new IChangeListener() {

        @Override
        public void handleChange(ChangeEvent event) {
            StringBuffer errorBuffer = new StringBuffer();
            source.setText(StringUtils.EMPTY);
            source.setVisible(false);
            for (Object o : bindingContext.getBindings()) {
                Binding binding = (Binding) o;
                IStatus status = (IStatus) binding.getValidationStatus().getValue();
                Control control = null;
                if (binding.getTarget() instanceof ISWTObservable) {
                    ISWTObservable swtObservable = (ISWTObservable) binding.getTarget();
                    control = (Control) swtObservable.getWidget();
                }
                if (!status.isOK()) {
                    if (StringUtils.isNotEmpty(status.getMessage())) {
                        errorBuffer.append(status.getMessage());
                        errorBuffer.append(System.lineSeparator());
                        source.setText(errorBuffer.toString().trim());
                        source.setVisible(true);
                        return;
                    }
                }
            }

        }
    });
    bindingContext.bindValue(SWTObservables.observeText(source), aggValidationStatus, null, null);

}