mcs/class/Mainsoft.Web/Mainsoft.Web.Hosting/BaseFacesStateManager.cs

   1 using System;\r
   2 using System.Collections.Generic;\r
   3 using System.Text;\r
   4 using javax.faces.application;\r
   5 using javax.faces.component;\r
   6 using javax.faces.context;\r
   7 using System.Diagnostics;\r
   8 using System.Web.UI;\r
   9 \r
  10 namespace Mainsoft.Web.Hosting\r
  11 {\r
  12         public abstract class BaseFacesStateManager : StateManager\r
  13         {\r
  14                 protected static readonly string VIEWSTATE = "__VIEWSTATE";\r
  15 \r
  16                 public override StateManager.SerializedView saveSerializedView (FacesContext facesContext) {\r
  17                         Object treeStruct = getTreeStructureToSave (facesContext);\r
  18                         Object compStates = getComponentStateToSave (facesContext);\r
  19                         SerializedView serializedView = new SerializedView (this, treeStruct, compStates);\r
  20                         return serializedView;\r
  21                 }\r
  22 \r
  23                 protected override sealed Object getTreeStructureToSave (FacesContext facesContext) {\r
  24                         return null;\r
  25                 }\r
  26 \r
  27                 public override UIViewRoot restoreView (FacesContext facesContext,\r
  28                                                                                                                                  String viewId,\r
  29                                                                                                                                 String renderKitId) {\r
  30 \r
  31                         UIViewRoot uiViewRoot = restoreTreeStructure (facesContext, viewId, renderKitId);\r
  32                         Page page = (Page) uiViewRoot.getChildren ().get (0);\r
  33                         if (page.IsPostBack || page.IsCallback)\r
  34                                 restoreComponentState (facesContext, uiViewRoot, renderKitId);\r
  35                         else\r
  36                                 facesContext.renderResponse ();\r
  37                         return uiViewRoot;\r
  38                 }\r
  39 \r
  40                 protected override sealed UIViewRoot restoreTreeStructure (FacesContext facesContext, string viewId, string renderKitId) {\r
  41                         return facesContext.getApplication ().getViewHandler ().createView (facesContext, viewId);\r
  42                 }\r
  43 \r
  44                 protected override Object getComponentStateToSave (FacesContext facesContext) {\r
  45                         Trace.WriteLine ("Entering getComponentStateToSave");\r
  46 \r
  47                         UIViewRoot viewRoot = facesContext.getViewRoot ();\r
  48                         if (viewRoot.isTransient ()) {\r
  49                                 return null;\r
  50                         }\r
  51 \r
  52                         Object serializedComponentStates = ((UIComponent) viewRoot.getChildren ().get (0)).processSaveState (facesContext);\r
  53                         //Locale is a state attribute of UIViewRoot and need not be saved explicitly\r
  54                         Trace.WriteLine ("Exiting getComponentStateToSave");\r
  55                         return serializedComponentStates;\r
  56                 }\r
  57         }\r
  58 }\r