diff --git a/spring-webflow-reference/src/views.xml b/spring-webflow-reference/src/views.xml
index ac025c42..6bb7eed6 100644
--- a/spring-webflow-reference/src/views.xml
+++ b/spring-webflow-reference/src/views.xml
@@ -81,19 +81,8 @@
This scope is useful for manipulating objects over a series of requests from the same view, often Ajax requests.
A view-state destroys its viewScope when it exits.
-
- Assigning a viewScope variable using an action
-
- Variables are often assigned before the view renders:
-
-
-<on-render>
- <evaluate expression="bookingService.findHotels(searchCriteria)" result="viewScope.hotels" result-type="dataModel" />
-</on-render>
-
-
-
- Using the var element to allocate view variables
+
+ Allocating view variables
Use the var tag to declare a view variable.
Like a flow variable, any @Autowired references are automatically restored when the view state resumes.
@@ -101,12 +90,23 @@
<var name="searchCriteria" class="com.mycompany.myapp.hotels.SearchCriteria" />
+
+
+ Assigning a viewScope variable
+
+ Use the on-render tag to assign a variable from an action result before the view renders:
+
+
+<on-render>
+ <evaluate expression="bookingService.findHotels(searchCriteria)" result="viewScope.hotels" result-type="dataModel" />
+</on-render>
+
Manipulating objects in view scope
Objects in view scope are often manipulated over a series of requests from the same view.
- The following example illustrates paginiation through a search results list.
+ The following example pages through a search results list.
The list is updated in view scope before each render.
Asynchronous event handlers modify the current data page, then request re-rendering of the search results fragment.
@@ -322,7 +322,7 @@ reservationConfirmation=We have processed your reservation - thank you and enjoy
Use the popup attribute to render a view in a modal popup dialog:
-
+
<view-state id="changeSearchCriteria" view="enterSearchCriteria.xhtml" popup="true">
@@ -330,4 +330,29 @@ reservationConfirmation=We have processed your reservation - thank you and enjoy
Web Flow will send a response to the client requesting a redirect to the view from a popup, and the client will honor the request.
+
+ View backtracking
+
+ By default, when you exit a view state and transition to a new view state, you can go back to the previous state using the browser back button.
+ These view state history policies are configurable on a per view-state basis by using the history attribute.
+
+
+ Discarding History
+
+ Set the history attribute to discard to prevent backtracking to a view:
+
+
+<view-state id="changeSearchCriteria" history="discard">
+
+
+
+ Invalidating History
+
+ Set the history attribute to invalidate to prevent backtracking to a view as well all previously displayed views:
+
+
+<view-state id="changeSearchCriteria" history="invalidate">
+
+
+
\ No newline at end of file