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diff --git a/documentation/gwt/gwt-vaadin-6-migration.asciidoc b/documentation/gwt/gwt-vaadin-6-migration.asciidoc deleted file mode 100644 index 6cecc581c5..0000000000 --- a/documentation/gwt/gwt-vaadin-6-migration.asciidoc +++ /dev/null @@ -1,58 +0,0 @@ ---- -title: Migrating from Vaadin 6 -order: 12 -layout: page ---- - -[[gwt.vaadin-6-migration]] -= Migrating from Vaadin 6 - -((("Vaadin 6 Migration", "add-ons", id="term.gwt.vaadin-6-migration", range="startofrange"))) - - -The client-side architecture was redesigned almost entirely in Vaadin 7. In -Vaadin 6, state synchronization was done explicitly by serializing and -deserializing the state on the server- and client-side. In Vaadin 7, the -serialization is handled automatically by the framework using state objects. - -In Vaadin 6, a server-side component serialized its state to the client-side -using the [interfacename]#Paintable# interface in the client-side and -deserialized the state through the [interfacename]#VariableOwner# interface. In -Vaadin 7, these are done through the [interfacename]#ClientConnector# interface. - -On the client-side, a widget deserialized its state through the -[interfacename]#Paintable# interface and sent state changes through the -[interfacename]#ApplicationConnection# object. In Vaadin 7, these are replaced -with the [interfacename]#ServerConnector#. - -In addition to state synchronization, Vaadin 7 has an RPC mechanism that can be -used for communicating events. They are especially useful for events that are -not associated with a state change, such as a button click. - -The framework ensures that the connector hierarchy and states are up-to-date -when listeners are called. - -[[gwt.vaadin-6-migration.quick]] -== Quick (and Dirty) Migration - -Vaadin 7 has a compatibility layer that allows quick conversion of a widget. - -. Create a connector class, such as [classname]#MyConnector#, that extends -[classname]#LegacyConnector#. Implement the [methodname]#getWidget()# method. - -. Move the [literal]#++@ClientWidget(MyWidget.class)++# from the server-side -component, say [classname]#MyComponent#, to the [classname]#MyConnector# class -and make it [literal]#++@Connect(MyComponent.class)++#. - -. Have the server-side component implement the LegacyComponent interface to enable -compatibility handling. - -. Remove any calls to [literal]#++super.paintContent()++# - -. Update any imports on the client-side - - - -(((range="endofrange", startref="term.gwt.vaadin-6-migration"))) - - |