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authorxue <>2006-01-20 14:52:16 +0000
committerxue <>2006-01-20 14:52:16 +0000
commit3ce5882c8f5a18aa5e6b0e110f3d8877d4448a26 (patch)
treefe25098832bbd01b61a33d6eef864b7fc2ec8c44 /framework/TODO.txt
parenta48195e52865532add00af44788c938071eb0e1d (diff)
Fixed Ticket#17.
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-how to properly encode a URL (e.g. used in javascript or css includes)
-how to display context information for template parsing and instantiation? File name? line number?
-how to do this for Theme (skin files)?
-
-think more about encoding/decoding
-<%@ MasterClass="Pages.MasterPage" %>
-
-
-Features to be implemented later:
-- SmartNavigation: TForm, TPage
-
-Main Problems:
-1. How to solve viewstate ID mapping problems? What if a control has changed its ID before saving viewstate?
-5. What if in a getter, it needs to address a sibling or child control?
-6. learn more details about WebParts
-http://msdn.microsoft.com/library/default.asp?url=/library/en-us/odc_sp2003_ta/html/sharepoint_northwindwebparts.asp
-
-When a page is requested, asp.net 2.0 does the following
-- application creates the page instance by new operator
-- application invokes page.processrequest
-- page.frameworkinitialize is invoked
-- ... ControlBuilder.InitObject(page)
-- ... ... set SkinID
-- ... ... apply stylesheet skin
-- ... ... init simple properties (basic property types)
-- ... ... init complex proprerties (e.g. Font-Name), may need to call InitObject on Font
-- ... ... init data bindings
-- ... ... call BuildChildren if item implements IParserAccessor (Control implements it)
-- ... ... ... for each body item
-- ... ... ... ... get the control builder for the control class
-- ... ... ... ... call ControlBuilder.BuildObject
-- ... ... ... ... ... call InitObject
-- ... ... ... ... if it is user control (control with template)
-- ... ... ... ... ... call UserControl.InitializeAsUserControl(page)
-- ... ... ... ... ... ... call frameworkinitialize (won't call InitObject anymore)
-- ... ... ... ... call control.AddParsedSubObject(item)
-- ... ... init template properties (should be a property with template type, will use TemplateBuilder to build the object)
-- ... ... bind field to control (pass some fields from TemplateControl to the new control)
-
-How is a UserControl initialized if created dynamically?
-- ... InitializeAsUserControl invoked in OnInit (which will be caught up if the control is dynamically created)
-
-
-
-
-Findings:
-
-
-Control lifecycles:
-
-const CS_CONSTRUCTED=0; // after constructor
-const CS_FRAMEWORK_INITIALIZED=1; // after children created and properties set
-const CS_CHILDREN_INITIALIZED=2; // right before OnInit (also before applySkin, but after children OnInit)
-const CS_INITIALIZED=3; // right after OnInit
-const CS_STATE_LOADED=4; // right after loading state
-const CS_LOADED=5; // right after loaded
-const CS_PRERENDERED=6; // right after prerender
-
-stylesheet is applied before setting control properties (after skinID is set)
-skin is applied right before OnInit
-
-
-
-ControlBuilder is responsible to call AddParsedSubObject
-Its BuildChildren is
-
-My understanding of lifecycles:
-
-Page constructed (using new operator)
-Page.ProcessRequest
- Page.FrameworkInitialize
- Page.InitializeStyleSheet
- Page.determinePostBackMode
- Page.loadScrollPosition
- Page.performPreInit
- Page.initRecursive
- Page.onInitComplete
- Page.loadAllState
- Page.processPostData
- Page.onPreLoad
- Page.loadRecursive
- Page.processPostData
- Page.raiseChangedEvents
- Page.raisePostBackEvent
- Page.onLoadComplete
- Page.raiseCallBackEvent -> exit
- Page.preRenderRecursive
- Page.performPreRenderComplete
- Page.saveAllState
- Page.onSaveStateComplete
- Page.renderControl
- Page.unloadRecursive
-
-
-Possible solution for SkinID: setting SkinID will cause skin change immediately.
-With control hierarchy storing:
-
-
-Page constructed (template parsed but not instantiated)
-Page.loadAllState <---- page state totally restored
-Page.loadRecursive
-Page.processPostData
-Page.raiseChangedEvents
-Page.raisePostBackEvent or Page.raiseCallBackEvent
-Page.preRenderRecursive
-Page.saveAllState
-Page.renderControl
-Page.unloadRecursive
-
-
-
-Page constructed
-Page.frameworkInitialize (instantiating template)
-Page.initRecursive
-Page.saveAllState
-Page.renderControl
-Page.unloadRecursive
-
-
-
-
-edit distance.
-(UIUC) Jiawei Han: graph similarity mining
-
-module service?
-page service?
-
-
-index.php?page=path.to.page
-
-
-TODOs
-
-renderer??
-Dispose
--->> viewstate id-based or index-based, structure keeping?? <<--
-HttpContext, url/path
-template path
-adapter
-parser
-
-
-class metadata attributes:
-e.g. the body content of a control can be parsed as child controls, or property values
-or list items
-
-Imagine a usecase (hmmm...could have problem....) How to specify two list properties for a single control?
-<com:TListBox>
-<ID>abc</ID>
-<Items>
- <ListItem Value="yyy">xxx</ListItem>
- <ListItem>yyy</ListItem>
-</Items>
-</com:TListBox>
-
-
-how to define a control with template??
-TemplateControl.LoadControl or LoadTemplate is used for controls that allows taking template contents for their attributes.
-
-
-UserControl! starting from the template instead of class
-
-
-
-idNotCalculated = 1;
-marked = 2;
-disableViewState = 4;
-controlsCreated = 8;
-invisible = 0x10;
-visibleDirty = 0x20;
-idNotRequired = 0x40;
-isNamingContainer = 0x80;
-creatingControls = 0x100;
-notVisibleOnPage = 0x200;
-themeApplied = 0x400;
-mustRenderID = 0x800;
-disableTheming = 0x1000;
-enableThemingSet = 0x2000;
-styleSheetApplied = 0x4000;
-controlAdapterResolved = 0x8000;
-designMode = 0x10000;
-designModeChecked = 0x20000;
-disableChildControlState = 0x40000;
-isWebControlDisabled = 0x80000;
-controlStateApplied = 0x100000;
-useGeneratedID = 0x200000;
-
-TODO:
-
-clean up ID, namingcontainer things:
-
-A control can be added into page hierarchy in the following ways
-- newly created in template
- - manual ID
- - need automatic ID
-- dynamically created in code
- - manual ID
- - need automatic ID
-- a previously removed control
- - manual ID
- - need automatic ID
-When a control changes its ID, the following things are necessary:
-- If it is a namingContainer
- - all its descendant must update their unique ID
-- If it is a normal control, nothing needs to be done
-- In both cases, the namingContainer's nametable has to be updated
-When a control changes its page, ...?
-- All its children have to change the page too
-When a control changes its parent, ...?
-- This is like remvoedControl + addedControl.
-When a control changes its namingcontainer ...?
-- All its child controls have to change namingcontainer recursively
- The old namingContainer nametable must also be changed recursively.
-When a control changes its templateControl...??
-- Nothing to be done.
-
-
-
-ControlState
-============
-Constructed
-Initialized
-ViewStateLoaded
-Loaded
-PreRendered
-
-
-
-asp.net 2.0 lifecycles
-========================
-Application: BeginRequest
-Application: PreAuthenticateRequest
-Application: AuthenticateRequest
-Application: PostAuthenticateRequest
-Application: PreAuthorizeRequest
-Application: AuthorizeRequest
-Application: PostAuthorizeRequest
-Application: PreResolveRequestCache
-Application: ResolveRequestCache
-Application: PostResolveRequestCache
-Application: PreMapRequestHandler
-Page: Construct
-Application: PostMapRequestHandler
-Application: PreAcquireRequestState
-Application: AcquireRequestState
-Application: PostAcquireRequestState
-Application: PreRequestHandlerExecute
-Page: AddParsedSubObject
-Page: CreateControlCollection
-Page: AddedControl
-Page: AddParsedSubObject
-Page: AddedControl
-Page: ResolveAdapter
-Page: DeterminePostBackMode
-Page: PreInit
-Control: ResolveAdapter
-Control: Init
-Control: TrackViewState
-Page: Init
-Page: TrackViewState
-Page: InitComplete
-Page: LoadPageStateFromPersistenceMedium
-Control: LoadViewState
-Page: EnsureChildControls
-Page: CreateChildControls
-Page: PreLoad
-Page: Load
-Control: DataBind
-Control: Load
-Page: EnsureChildControls
-Page: LoadComplete
-Page: EnsureChildControls
-Page: PreRender
-Control: EnsureChildControls
-Control: PreRender
-Page: PreRenderComplete
-Page: SaveViewState
-Control: SaveViewState
-Page: SaveViewState
-Control: SaveViewState
-Page: SavePageStateToPersistenceMedium
-Page: SaveStateComplete
-Page: CreateHtmlTextWriter
-Page: RenderControl
-Page: Render
-Page: RenderChildren
-Control: RenderControl
-Page: VerifyRenderingInServerForm
-Page: CreateHtmlTextWriter
-Control: Unload
-Control: Dispose
-Page: Unload
-Page: Dispose
-Application: PostRequestHandlerExecute
-Application: PreReleaseRequestState
-Application: ReleaseRequestState
-Application: PostReleaseRequestState
-Application: PreUpdateRequestCache
-Application: UpdateRequestCache
-Application: PostUpdateRequestCache
-Application: EndRequest
-Application: PreSendRequestHeaders
-Application: PreSendRequestContent \ No newline at end of file