From 319c2da79749d91e63567ea5138179f8c24309fa Mon Sep 17 00:00:00 2001
From: joost <joost@cnoc.nl>
Date: Sat, 15 Jan 2011 17:55:08 +0000
Subject: [PATCH]  * Implemented IHTMLDesignable  * Fixed moving an element
 forward, so that it is inserted before the given element

git-svn-id: trunk@16768 -
---
 packages/fcl-web/src/base/fphtml.pp  |  5 +++++
 packages/fcl-web/src/base/webpage.pp | 29 ++++++++++++++++++++++++++--
 2 files changed, 32 insertions(+), 2 deletions(-)

diff --git a/packages/fcl-web/src/base/fphtml.pp b/packages/fcl-web/src/base/fphtml.pp
index 7f977b2b4b..f2bf67807d 100644
--- a/packages/fcl-web/src/base/fphtml.pp
+++ b/packages/fcl-web/src/base/fphtml.pp
@@ -145,6 +145,8 @@ type
 
   TForeachContentProducerProc = procedure(const AContentProducer: THTMLContentProducer) of object;
 
+  { IHTMLContentProducerContainer }
+
   IHTMLContentProducerContainer = interface
    ['{8B4D8AE0-4873-49BF-B677-D03C8A02CDA5}']
     procedure AddContentProducer(AContentProducer: THTMLContentProducer);
@@ -152,6 +154,8 @@ type
     function ExchangeContentProducers(Child1, Child2: THTMLContentProducer) : boolean;
     function MoveContentProducer(MoveElement, MoveBeforeElement: THTMLContentProducer) : boolean;
     procedure ForeachContentProducer(AForeachChildsProc: TForeachContentProducerProc; Recursive: boolean);
+
+    function ProduceContent : string;
   end;
 
   { THTMLContentProducer }
@@ -739,6 +743,7 @@ begin
   ChildIndex2:=GetContentProducerList.IndexOf(MoveBeforeElement);
   if (ChildIndex2=-1) then
     Exit;
+  if ChildIndex2>ChildIndex1 then dec(ChildIndex2);
   GetContentProducerList.Move(ChildIndex1,ChildIndex2);
   result := true;
 end;
diff --git a/packages/fcl-web/src/base/webpage.pp b/packages/fcl-web/src/base/webpage.pp
index 8938ffdd94..a80a1b0d76 100644
--- a/packages/fcl-web/src/base/webpage.pp
+++ b/packages/fcl-web/src/base/webpage.pp
@@ -14,10 +14,23 @@ type
   TAjaxRequestResponseEvent = procedure(Sender: TObject; ARequest: TRequest; AResponse: TAjaxResponse) of object;
 
 type
+
+  { IWebPageDesigner }
+
   IWebPageDesigner = interface(IUnknown)
+  ['{25629DEA-79D5-4165-A0A3-BE6E2BA74442}']
     procedure Invalidate;
   end;
 
+  { IHTMLDesignable }
+
+  IHTMLDesignable = interface(IUnknown)
+  ['{C75546D6-9C93-49F0-809F-D29C52CD306D}']
+    function GetDesigner: IWebPageDesigner;
+    procedure SetDesigner(const AValue: IWebPageDesigner);
+    property Designer: IWebPageDesigner read GetDesigner write SetDesigner;
+  end;
+
   { TStandardWebController }
 
   TStandardWebController = class(TWebController)
@@ -41,7 +54,7 @@ type
 
   { TWebPage }
 
-  TWebPage = class(TDataModule, IHTMLContentProducerContainer)
+  TWebPage = class(TDataModule, IHTMLContentProducerContainer, IHTMLDesignable)
   private
     FAfterAjaxRequest: TAjaxRequestResponseEvent;
     FBaseURL: string;
@@ -56,8 +69,10 @@ type
     function GetContentProducer(Index: integer): THTMLContentProducer;
     function GetContentProducerList: TFPList;
     function GetContentProducers(Index: integer): THTMLContentProducer;
+    function GetDesigner: IWebPageDesigner;
     function GetHasWebController: boolean;
     function GetWebController: TWebController;
+    procedure SetDesigner(const AValue: IWebPageDesigner);
   protected
     procedure DoAfterAjaxRequest(ARequest: TRequest; AnAjaxResponse: TAjaxResponse); virtual;
     procedure DoHandleAjaxRequest(ARequest: TRequest; AnAjaxResponse: TAjaxResponse; var Handled: boolean); virtual;
@@ -82,7 +97,7 @@ type
     procedure HandlePage(ARequest: TRequest; AResponse: TResponse; AWriter: THTMLwriter; AWebModule: TFPWebModule = nil); virtual;
     procedure DoBeforeGenerateXML; virtual;
     procedure CleanupAfterRequest; virtual;
-    property Designer: IWebPageDesigner read FDesigner write FDesigner;
+    property Designer: IWebPageDesigner read GetDesigner write SetDesigner;
     property Request: TRequest read FRequest;
     property ContentProducers[Index: integer]: THTMLContentProducer read GetContentProducer;
     property HasWebController: boolean read GetHasWebController;
@@ -259,6 +274,11 @@ begin
   Result:=THTMLContentProducer(ContentProducerList[Index]);
 end;
 
+function TWebPage.GetDesigner: IWebPageDesigner;
+begin
+  result := FDesigner;
+end;
+
 function TWebPage.GetHasWebController: boolean;
 begin
   result := assigned(FWebController);
@@ -271,6 +291,11 @@ begin
   result := FWebController;
 end;
 
+procedure TWebPage.SetDesigner(const AValue: IWebPageDesigner);
+begin
+  FDesigner := AValue;
+end;
+
 function TWebPage.GetContentProducerList: TFPList;
 begin
   if not assigned(FContentProducers) then