diff options
Diffstat (limited to 'server/src/main/java')
| -rw-r--r-- | server/src/main/java/com/vaadin/ui/Composite.java | 6 | ||||
| -rw-r--r-- | server/src/main/java/com/vaadin/ui/declarative/Design.java | 52 |
2 files changed, 48 insertions, 10 deletions
diff --git a/server/src/main/java/com/vaadin/ui/Composite.java b/server/src/main/java/com/vaadin/ui/Composite.java index 10bcff0510..58efbaeb94 100644 --- a/server/src/main/java/com/vaadin/ui/Composite.java +++ b/server/src/main/java/com/vaadin/ui/Composite.java @@ -263,7 +263,8 @@ public class Composite extends AbstractComponent implements HasComponents { @Override public String getId() { - throw new UnsupportedOperationException(COMPOSITE_HAS_NO_DOM_OR_WIDGET); + // Design.read relies on being able to call this + return null; } @Override @@ -278,7 +279,8 @@ public class Composite extends AbstractComponent implements HasComponents { @Override public String getCaption() { - throw new UnsupportedOperationException(COMPOSITE_HAS_NO_DOM_OR_WIDGET); + // Design.read relies on being able to call this + return null; } @Override diff --git a/server/src/main/java/com/vaadin/ui/declarative/Design.java b/server/src/main/java/com/vaadin/ui/declarative/Design.java index e0c601efbc..b051c68a90 100644 --- a/server/src/main/java/com/vaadin/ui/declarative/Design.java +++ b/server/src/main/java/com/vaadin/ui/declarative/Design.java @@ -39,6 +39,9 @@ import com.vaadin.annotations.DesignRoot; import com.vaadin.server.VaadinServiceClassLoaderUtil; import com.vaadin.shared.util.SharedUtil; import com.vaadin.ui.Component; +import com.vaadin.ui.ComponentRootSetter; +import com.vaadin.ui.Composite; +import com.vaadin.ui.CustomComponent; import com.vaadin.ui.declarative.DesignContext.ComponentCreatedEvent; import com.vaadin.ui.declarative.DesignContext.ComponentCreationListener; @@ -409,9 +412,11 @@ public class Design implements Serializable { * the html tree * @param componentRoot * optional component root instance. The type must match the type - * of the root element in the design. Any member fields whose - * type is assignable from {@link Component} are bound to fields - * in the design based on id/local id/caption + * of the root element in the design or be a + * {@link CustomComponent} or {@link Composite}, in which case + * the root component will be set as the composition root. Any + * member fields whose type is assignable from {@link Component} + * are bound to fields in the design based on id/local id/caption */ private static DesignContext designToComponentTree(Document doc, Component componentRoot) { @@ -432,12 +437,19 @@ public class Design implements Serializable { * If a component root is given, the component instances created during * reading the design are assigned to its member fields based on their id, * local id, and caption + * <p> + * If the root is a custom component or composite, its composition root will + * be populated with the design contents. Note that even if the root + * component is a custom component/composite, the root element of the design + * should not be to avoid nesting a custom component in a custom component. * * @param doc * the html tree * @param componentRoot * optional component root instance. The type must match the type - * of the root element in the design. + * of the root element in the design or be a + * {@link CustomComponent} or {@link Composite}, in which case + * the root component will be set as the composition root. * @param classWithFields * a class (componentRoot class or a super class) with some * member fields. The member fields whose type is assignable from @@ -480,8 +492,15 @@ public class Design implements Serializable { binder.bindField(event.getComponent(), event.getLocalId()); }; designContext.addComponentCreationListener(creationListener); + // create subtree - designContext.readDesign(element, componentRoot); + if (componentRoot instanceof CustomComponent + || componentRoot instanceof Composite) { + Component rootComponent = designContext.readDesign(element); + ComponentRootSetter.setRoot(componentRoot, rootComponent); + } else { + designContext.readDesign(element, componentRoot); + } // make sure that all the member fields are bound Collection<String> unboundFields = binder.getUnboundFields(); if (!unboundFields.isEmpty()) { @@ -550,6 +569,12 @@ public class Design implements Serializable { * id/local id/caption in the design file. * <p> * The type of the root component must match the root element in the design + * or the root component must be a {@link CustomComponent} or + * {@link Composite}. If the root is a custom component or composite, its + * composition root will be populated with the design contents. Note that + * even if the root component is a custom component/composite, the root + * element of the design should not be to avoid nesting a custom component + * in a custom component. * * @param rootComponent * The root component of the layout @@ -640,7 +665,13 @@ public class Design implements Serializable { * design. Matching is done based on field name in the component class and * id/local id/caption in the design file. * <p> - * The type of the root component must match the root element in the design. + * The type of the root component must match the root element in the design + * or the root component must be a {@link CustomComponent} or + * {@link Composite}. If the root is a custom component or composite, its + * composition root will be populated with the design contents. Note that + * even if the root component is a custom component/composite, the root + * element of the design should not be to avoid nesting a custom component + * in a custom component. * * @param filename * The file name to load. Loaded from the same package as the @@ -680,8 +711,13 @@ public class Design implements Serializable { * design. Matching is done based on field name in the component class and * id/local id/caption in the design file. * <p> - * If rootComponent is not null, its type must match the type of the root - * element in the design + * The type of the root component must match the root element in the design + * or the root component must be a {@link CustomComponent} or + * {@link Composite}. If the root is a custom component or composite, its + * composition root will be populated with the design contents. Note that + * even if the root component is a custom component/composite, the root + * element of the design should not be to avoid nesting a custom component + * in a custom component. * * @param stream * The stream to read the design from |