From 3ce5882c8f5a18aa5e6b0e110f3d8877d4448a26 Mon Sep 17 00:00:00 2001 From: xue <> Date: Fri, 20 Jan 2006 14:52:16 +0000 Subject: Fixed Ticket#17. --- framework/TODO.txt | 303 ----------------------------------------------------- 1 file changed, 303 deletions(-) delete mode 100644 framework/TODO.txt (limited to 'framework/TODO.txt') diff --git a/framework/TODO.txt b/framework/TODO.txt deleted file mode 100644 index 658bbc12..00000000 --- a/framework/TODO.txt +++ /dev/null @@ -1,303 +0,0 @@ -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? - -abc - - xxx - yyy - - - - -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 -- cgit v1.2.3