Example usage for org.eclipse.jface.databinding.swt WidgetProperties selection

Introduction

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

Prototype

public static IWidgetValueProperty selection() 

Source Link

Document

Returns a value property for observing the selection state of a Button , CCombo , Combo , DateTime , List , MenuItem (since 1.5), Scale , Slider (since 1.5) or Spinner .

Usage

From source file:com.amitinside.e4.rcp.todo.parts.EditorPart.java

License:Apache License

private void updateUserInterface(Todo todo) {

    // check if the user interface is available
    // assume you have a field called "summary"
    // for a widget
    if (txtSummary != null && !txtSummary.isDisposed()) {

        // Deregister change listener to the old binding
        IObservableList providers = ctx.getValidationStatusProviders();
        for (Object o : providers) {
            Binding b = (Binding) o;
            b.getTarget().removeChangeListener(listener);
        }//from   www  . j  a  v  a2  s.  c om

        // Remove bindings
        ctx.dispose();

        IObservableValue target = WidgetProperties.text(SWT.Modify).observe(txtSummary);
        IObservableValue model = BeanProperties.value(Todo.FIELD_SUMMARY).observe(todo);
        ctx.bindValue(target, model);

        target = WidgetProperties.selection().observe(btnDone);
        model = BeanProperties.value(Todo.FIELD_DONE).observe(todo);
        ctx.bindValue(target, model);

        target = WidgetProperties.selection().observe(btnDone);
        model = BeanProperties.value(Todo.FIELD_DONE).observe(todo);
        ctx.bindValue(target, model);

        IObservableValue observeSelectionDateTimeObserveWidget = WidgetProperties.selection().observe(dateTime);
        IObservableValue dueDateTodoObserveValue = BeanProperties.value(Todo.FIELD_DUEDATE).observe(todo);
        ctx.bindValue(observeSelectionDateTimeObserveWidget, dueDateTodoObserveValue);

        // register listener for any changes
        providers = ctx.getValidationStatusProviders();
        for (Object o : providers) {
            Binding b = (Binding) o;
            b.getTarget().addChangeListener(listener);
        }

        // Register for the changes
        providers = ctx.getValidationStatusProviders();
        for (Object o : providers) {
            Binding b = (Binding) o;
            b.getTarget().addChangeListener(listener);
        }
    }
}

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From source file:com.amitinside.e4.rcp.todo.parts.EMFTodoDetailsPart.java

License:Apache License

private void updateUserInterface(Todo todo) {

    if (todo == null) {
        enableUserInterface(false);/*from w  w  w .  j a  v  a2s  .  co m*/
        return;
    } else {
        enableUserInterface(true);
    }

    if (txtSummary != null && !txtSummary.isDisposed()) {

        IObservableList providers = ctx.getValidationStatusProviders();
        for (final Object o : providers) {
            final Binding b = (Binding) o;
            b.getTarget().removeChangeListener(listener);
        }

        ctx.dispose();

        IObservableValue target = WidgetProperties.text(SWT.Modify).observe(txtSummary);
        IObservableValue model = EMFProperties.value(TodoPackage.Literals.TODO__SUMMARY).observe(todo);
        ctx.bindValue(target, model);

        target = WidgetProperties.selection().observe(btnDone);
        model = EMFProperties.value(TodoPackage.Literals.TODO__DONE).observe(todo);
        ctx.bindValue(target, model);

        target = WidgetProperties.text(SWT.Modify).observe(txtNote);
        model = EMFProperties.value(TodoPackage.Literals.TODO__NOTE).observe(todo);

        final IConverter converter = new IConverter() {

            @Override
            public Object getToType() {
                return null;
            }

            @Override
            public Object getFromType() {
                return null;
            }

            @Override
            public Object convert(Object elem) {
                System.out.println(">>>>>" + elem);
                return elem.toString().charAt(0);
            }
        };

        final IValidator validator = new IValidator() {

            @Override
            public IStatus validate(Object value) {
                if (value instanceof String) {
                    if (((String) value).matches(messages.TodoDetailsPart_5)) {
                        flagBeforeSave = true;
                        return ValidationStatus.OK_STATUS;
                    } else
                        flagBeforeSave = false;
                }
                return ValidationStatus.error(messages.TodoDetailsPart_6);
            }
        };

        final UpdateValueStrategy strategy = new UpdateValueStrategy();
        strategy.setBeforeSetValidator(validator);
        strategy.setConverter(converter);

        final Binding bindvalue = ctx.bindValue(target, model, strategy, null);
        ControlDecorationSupport.create(bindvalue, SWT.TOP | SWT.LEFT);

        final IObservableValue observeSelectionDateTimeObserveWidget = WidgetProperties.selection()
                .observe(dateTime);
        final IObservableValue dueDateTodoObserveValue = EMFProperties
                .value(TodoPackage.Literals.TODO__DUE_DATE).observe(todo);
        ctx.bindValue(observeSelectionDateTimeObserveWidget, dueDateTodoObserveValue);

        providers = ctx.getValidationStatusProviders();
        for (final Object o : providers) {
            final Binding b = (Binding) o;
            b.getTarget().addChangeListener(listener);
        }

    }
}

---

From source file:com.amitinside.e4.rcp.todo.parts.PlaygroundPart.java

License:Apache License

/**
 * /*from   w  w  w .  j a  va  2  s  .c om*/
 * @param parent
 */

@PostConstruct
public void createControls(Composite parent) {
    DataBindingContext ctx = new DataBindingContext();
    text1 = new Text(parent, SWT.LEAD | SWT.BORDER | SWT.MULTI);

    text1.setText("Hallo");

    text2 = new Text(parent, SWT.LEAD | SWT.BORDER | SWT.MULTI);
    text2.setText("Moin");

    ISWTObservableValue model = WidgetProperties.text(SWT.Modify).observe(text1);
    ISWTObservableValue target = WidgetProperties.text(SWT.Modify).observeDelayed(2000, text2);

    Button button = new Button(parent, SWT.CHECK);
    button.setText("Hello");
    // button.addSelectionListener(new SelectionAdapter() {
    // @Override
    // public void widgetSelected(SelectionEvent e) {
    //
    // }
    // });

    ISWTObservableValue model1 = WidgetProperties.selection().observe(button);
    ISWTObservableValue target1 = WidgetProperties.enabled().observe(text1);
    ctx.bindValue(target1, model1);

    // This assumes you have a vogella.png file
    // in folder images
}

---

From source file:com.amitinside.e4.rcp.todo.parts.TodoDetailsPart.java

License:Apache License

private void updateUserInterface(Todo todo) {

    // check if Todo is null
    if (todo == null) {
        enableUserInterface(false);/*w  w  w. j av a  2  s .  c  o m*/
        return;
    } else {
        enableUserInterface(true);
    }

    // Check if the user interface is available
    // assume you have a field called "summary"
    // for a widget
    if (txtSummary != null && !txtSummary.isDisposed()) {

        // Deregister change listener to the old binding
        IObservableList providers = ctx.getValidationStatusProviders();
        for (final Object o : providers) {
            final Binding b = (Binding) o;
            b.getTarget().removeChangeListener(listener);
        }

        // Remove bindings
        ctx.dispose();

        IObservableValue target = WidgetProperties.text(SWT.Modify).observe(txtSummary);
        IObservableValue model = BeanProperties.value(Todo.FIELD_SUMMARY).observe(todo);
        ctx.bindValue(target, model);

        target = WidgetProperties.selection().observe(btnDone);
        model = BeanProperties.value(Todo.FIELD_DONE).observe(todo);
        ctx.bindValue(target, model);

        target = WidgetProperties.selection().observe(btnDone);
        model = BeanProperties.value(Todo.FIELD_DONE).observe(todo);
        ctx.bindValue(target, model);

        target = WidgetProperties.text(SWT.Modify).observe(txtNote);
        model = BeanProperties.value(Todo.FIELD_NOTE).observe(todo);
        final IValidator validator = new IValidator() {

            @Override
            public IStatus validate(Object value) {
                if (value instanceof String) {
                    if (((String) value).matches(messages.TodoDetailsPart_5)) {
                        return ValidationStatus.OK_STATUS;
                    }
                }
                return ValidationStatus.error(messages.TodoDetailsPart_6);
            }
        };

        final UpdateValueStrategy strategy = new UpdateValueStrategy();
        strategy.setBeforeSetValidator(validator);

        final Binding bindvalue = ctx.bindValue(target, model, strategy, null);
        ControlDecorationSupport.create(bindvalue, SWT.TOP | SWT.LEFT);

        final IObservableValue observeSelectionDateTimeObserveWidget = WidgetProperties.selection()
                .observe(dateTime);
        final IObservableValue dueDateTodoObserveValue = BeanProperties.value(Todo.FIELD_DUEDATE).observe(todo);
        ctx.bindValue(observeSelectionDateTimeObserveWidget, dueDateTodoObserveValue);

        // register listener for any changes
        providers = ctx.getValidationStatusProviders();
        for (final Object o : providers) {
            final Binding b = (Binding) o;
            b.getTarget().addChangeListener(listener);
        }

        // Register for the changes
        providers = ctx.getValidationStatusProviders();
        for (final Object o : providers) {
            final Binding b = (Binding) o;
            b.getTarget().addChangeListener(listener);
        }

    }
}

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From source file:com.google.cloud.tools.eclipse.appengine.deploy.ui.StandardDeployPreferencesPanel.java

License:Apache License

private void setupProjectVersionDataBinding(DataBindingContext context) {
    ISWTObservableValue overrideButton = WidgetProperties.selection().observe(overrideDefaultVersionButton);
    ISWTObservableValue versionField = WidgetProperties.text(SWT.Modify).observe(version);
    ISWTObservableValue versionLabelEnablement = WidgetProperties.enabled().observe(versionLabel);
    ISWTObservableValue versionFieldEnablement = WidgetProperties.enabled().observe(version);

    // use an intermediary value to control the enabled state of the label and the field based on the override
    // checkbox's state
    WritableValue enablement = new WritableValue();
    context.bindValue(overrideButton, enablement);
    context.bindValue(versionLabelEnablement, enablement);
    context.bindValue(versionFieldEnablement, enablement);

    IObservableValue overrideModel = PojoProperties.value("overrideDefaultVersioning").observe(model);
    IObservableValue versionModel = PojoProperties.value("version").observe(model);

    context.bindValue(enablement, overrideModel);
    context.bindValue(versionField, versionModel);

    context.addValidationStatusProvider(
            new OverrideValidator(overrideButton, versionField, new ProjectVersionValidator()));
}

---

From source file:com.google.cloud.tools.eclipse.appengine.deploy.ui.StandardDeployPreferencesPanel.java

License:Apache License

private void setupAutoPromoteDataBinding(DataBindingContext context) {
    ISWTObservableValue promoteButton = WidgetProperties.selection().observe(autoPromoteButton);
    ISWTObservableValue stopPreviousVersion = WidgetProperties.selection().observe(stopPreviousVersionButton);
    ISWTObservableValue stopPreviousVersionEnablement = WidgetProperties.enabled()
            .observe(stopPreviousVersionButton);

    // use an intermediary value to control the enabled state of stopPreviousVersionButton based on the promote
    // checkbox's state
    WritableValue enablement = new WritableValue();
    context.bindValue(promoteButton, enablement);
    context.bindValue(stopPreviousVersionEnablement, enablement);

    IObservableValue promoteModel = PojoProperties.value("autoPromote").observe(model);
    IObservableValue stopPreviousVersionModel = PojoProperties.value("stopPreviousVersion").observe(model);

    context.bindValue(promoteButton, promoteModel);
    context.bindValue(stopPreviousVersion, stopPreviousVersionModel);
}

---

From source file:com.google.cloud.tools.eclipse.appengine.deploy.ui.StandardDeployPreferencesPanel.java

License:Apache License

private void setupBucketDataBinding(DataBindingContext context) {
    ISWTObservableValue overrideButton = WidgetProperties.selection().observe(overrideDefaultBucketButton);
    ISWTObservableValue bucketField = WidgetProperties.text(SWT.Modify).observe(bucket);
    ISWTObservableValue bucketLabelEnablement = WidgetProperties.enabled().observe(bucketLabel);
    ISWTObservableValue bucketFieldEnablement = WidgetProperties.enabled().observe(bucket);

    // use an intermediary value to control the enabled state of the label and the field based on the override
    // checkbox's state
    WritableValue enablement = new WritableValue();
    context.bindValue(overrideButton, enablement);
    context.bindValue(bucketLabelEnablement, enablement);
    context.bindValue(bucketFieldEnablement, enablement);

    IObservableValue overrideModelObservable = PojoProperties.value("overrideDefaultBucket").observe(model);
    IObservableValue bucketModelObservable = PojoProperties.value("bucket").observe(model);

    context.bindValue(enablement, overrideModelObservable);
    context.bindValue(bucketField, bucketModelObservable);

    context.addValidationStatusProvider(
            new OverrideValidator(overrideButton, bucketField, new BucketNameValidator()));
}

---

From source file:com.google.cloud.tools.eclipse.appengine.ui.AppEngineLibrariesSelectorGroup.java

License:Apache License

/**
 * We have three bindings for each library:
 * <ol><li>A one-way binding of the checkbox selection state to add or remove the corresponding library from our
 * selected-libraries list.</li>/*w w  w  .j a  va2  s .co  m*/
 * <li>The opposite of the first, a one-way binding to set the checkbox selection state when the corresponding
 * library has been selected or if it is a dependency of another selected library.</li>
 * <li>A one-way binding to set the checkbox enablement when the corresponding library is a dependency of a selected
 * library.</li>
 * </ol>
 * @param libraryButton to which the databinding will be configured.
 */
private void setupDatabindingForButton(final Button libraryButton) {
    final Library library = (Library) libraryButton.getData();
    ISWTObservableValue libraryButtonSelection = WidgetProperties.selection().observe(libraryButton);
    ISWTObservableValue libraryButtonEnablement = WidgetProperties.enabled().observe(libraryButton);
    // library selection UI -> model
    bindingContext.bindValue(libraryButtonSelection, new NullComputedValue(getDisplayRealm()),
            new UpdateValueStrategy()
                    .setConverter(new HandleLibrarySelectionConverter(selectedLibraries, library)),
            new UpdateValueStrategy(UpdateValueStrategy.POLICY_NEVER));
    // UI <- library selection model
    bindingContext.bindValue(libraryButtonSelection,
            new DependentLibrarySelected(getDisplayRealm(), library.getId(), true /* resultIfFound */) {
                @Override
                protected Object calculate() {
                    if (libraryButton.getData(BUTTON_MANUAL_SELECTION_KEY) != null) {
                        return true;
                    } else {
                        return super.calculate();
                    }
                }
            }, new UpdateValueStrategy(UpdateValueStrategy.POLICY_NEVER), new UpdateValueStrategy());
    // UI enablement <- library is a dependency
    bindingContext.bindValue(libraryButtonEnablement,
            new DependentLibrarySelected(getDisplayRealm(), library.getId(), false /* resultIfFound */),
            new UpdateValueStrategy(UpdateValueStrategy.POLICY_NEVER), new UpdateValueStrategy());
}

---

From source file:com.htmlhifive.tools.jslint.dialog.ConfirmLicenseDialog.java

License:Apache License

/**
 * ???./*from   ww w.  ja  va2s .  c  om*/
 */
private void initialDataBinding() {

    DataBindingContext context = new DataBindingContext();

    // OK?Validator
    UpdateValueStrategy strategy = new UpdateValueStrategy();
    strategy.setBeforeSetValidator(new IValidator() {
        @Override
        public IStatus validate(Object value) {
            getButton(IDialogConstants.OK_ID).setEnabled((Boolean) value);
            return null;
        }
    });
    IObservableValue obsSelectiveAcceptLicense = WidgetProperties.selection().observe(btnAcceptLicense);
    IObservableValue obsEnabledOkButton = WidgetProperties.enabled().observe(getButton(IDialogConstants.OK_ID));
    context.bindValue(obsSelectiveAcceptLicense, obsEnabledOkButton, null, null);

}

---

From source file:com.htmlhifive.tools.jslint.dialog.CreateEngineDialog.java

License:Apache License

/**
 * ??.//w w w. j  ava  2 s  . c  o  m
 */
private void initialDataBinding() {

    DataBindingContext context = new DataBindingContext();

    // Validator
    MultiValidator validator = new MultiValidator() {

        @Override
        protected IStatus validate() {
            StringBuilder sb = new StringBuilder();

            if ((Boolean) wvJshint.getValue() && (Boolean) wvJslint.getValue()) {
                sb.append(Messages.EM0014.getText());
            }
            String outputPath = (String) wvOutputDir.getValue();
            if (StringUtils.isEmpty(outputPath)) {
                sb.append(Messages.EM0009.format(Messages.DL0020.getText()));
            } else {
                IPath path = new Path(outputPath);
                if (!ResourcesPlugin.getWorkspace().getRoot().exists(path)) {
                    sb.append(Messages.EM0000.format(Messages.DL0020.getText()));
                }
            }

            if (StringUtils.isEmpty(sb.toString())) {
                getButton(IDialogConstants.OK_ID).setEnabled(true);
                return ValidationStatus.info(Messages.DL0027.getText());
            }

            if (getButton(IDialogConstants.OK_ID) != null) {
                getButton(IDialogConstants.OK_ID).setEnabled(false);
            }
            return ValidationStatus.error(sb.toString());
        }
    };

    // ??
    IObservableValue obsOutputDirText = SWTObservables.observeText(textOutputDir, SWT.Modify);
    context.bindValue(obsOutputDirText, wvOutputDir, null, null);

    // JSLint???
    IObservableValue obsSelectJslint = WidgetProperties.selection().observe(btnRadioJSLint);
    context.bindValue(obsSelectJslint, wvJslint, null, null);

    // JSHint???
    IObservableValue obsSelectJsHint = WidgetProperties.selection().observe(btnRadioJSHint);
    context.bindValue(obsSelectJsHint, wvJshint);

    // ??
    context.addValidationStatusProvider(validator);
    TitleAreaDialogSupport.create(this, context);

}

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