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© 2013 Marty Hall & Yaakov ChaikinUsing Widget Attributesin UiBinderCustomized Java EE Training: http://courses.coreservlets.com/GWT, Java 7 and 8, JSF 2, PrimeFaces, HTML5, Servlets, JSP, Ajax, jQuery, Spring, Hibernate, REST, Hadoop, Android.Developed and taught by well-known author and developer. At public venues or onsite at your location.Summary• Idea– Most widgets have setters that alter their look or behavior• Previously: called in Java– After fields were bound, we called widget setters in Javacode• Reduces readability of UI XML template• New alternative: declared in XML– Use XML attributes that correspond to setter methods• Follows JavaBean notation• Example– 10
Example: Improved States/Cities ListBoxImprovedUi.ui.xmlUser ControlResultState:City:11Example: Improved States/Cities ListBoxImprovedUi.java...public class ImprovedUi extends Composite {private static ImprovedUiUiBinder uiBinder =GWT.create(ImprovedUiUiBinder.class);interface ImprovedUiUiBinderextends UiBinder {}@UiField ListBox stateList;@UiField ListBox cityList;Since all the visual setup is done in UI XMLtemplate, no longer a need for setupListBoxmethod. All we need is to do is populate bothListBoxes.public ImprovedUi() {initWidget(uiBinder.createAndBindUi(this));populateStateList();cityList.addItem("Select City");}...12
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Page 3: HTML-Based(Eclipse Wizard Builds #1
Page 9 and 10: Example: OptionalTextBox.java19pack
Page 11 and 12: @UiFactory• Create non-private me
Page 13 and 14: Example: GwtUiBinder1.html andEntry
Page 15 and 16: Example: ConstructorArg1.java...pub
Page 19 and 20: Associating CSS Files: Choices39•
Page 21 and 22: Example: GwtUiBinder.html andEntry
Page 23 and 24: Example: InStyle2.javapublic InStyl
Page 27 and 28: Example: resStyles.css.different {w
Page 29 and 30: Example: Result59Example: Result (F
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