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