msg_plat/messaging_editor_api/inc/MsgExpandableControl.h
changeset 0 72b543305e3a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/msg_plat/messaging_editor_api/inc/MsgExpandableControl.h	Thu Dec 17 08:44:11 2009 +0200
@@ -0,0 +1,336 @@
+/*
+* Copyright (c) 2002-2006 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  MsgExpandableControl  declaration
+*
+*/
+
+
+
+#ifndef CMSGEXPANDABLECONTROL_H
+#define CMSGEXPANDABLECONTROL_H
+
+// ========== INCLUDE FILES ================================
+
+#include <eikedwob.h>                      // for MEikEdwinSizeObserver
+#include <aknenv.h>                        // for CAknEnv
+#include <AknUtils.h>
+#include <eikcapc.h>
+#include <fepbase.h>
+
+#include "MsgExpandableTextEditorControl.h"                // for CMsgBaseControl
+
+// ========== CONSTANTS ====================================
+
+// ========== MACROS =======================================
+
+// ========== DATA TYPES ===================================
+
+// ========== FUNCTION PROTOTYPES ==========================
+
+// ========== FORWARD DECLARATIONS =========================
+
+class CMsgExpandableControlEditor;
+class CEikLabel;
+class CRichText;
+class CGlobalText;
+class CEikRichTextEditor;
+class CAknButton;
+
+// ========== CLASS DECLARATION ============================
+
+/**
+* Defines an expandable control for message editors/viewers.
+*/
+class CMsgExpandableControl : public CMsgExpandableTextEditorControl, 
+                              public MCoeCaptionRetrieverForFep 
+    {
+    public:
+
+        /**
+        * Constructor.
+        */
+        IMPORT_C CMsgExpandableControl();
+
+        /**
+        * Constructor.
+        */
+        IMPORT_C CMsgExpandableControl( MMsgBaseControlObserver& aBaseControlObserver );
+
+        /**
+        * Destructor.
+        */
+        IMPORT_C ~CMsgExpandableControl();
+
+        /**
+        * Returns a reference to the editor control.
+        * @return
+        */
+        IMPORT_C CEikRichTextEditor& Editor() const;
+
+        /**
+        * Returns a reference to the label control.
+        * @return
+        */
+        IMPORT_C CEikLabel& Caption() const;
+
+        /**
+        * Sets text content of the control editor from the contents of 
+        * a rich text object. Old content is discarded. Copies also
+        * formatting from given rich text object if plain text mode
+        * is disabled.
+        *
+        * @param aText New text content.
+        */
+        IMPORT_C void SetTextContentL( CRichText& aText );
+        
+        /**
+        * Sets text content of the control editor from the contents of 
+        * a descriptor. Old content is discarded.
+        *
+        * @since 3.2
+        *
+        * @param aText New text content.
+        */
+        IMPORT_C void SetTextContentL( const TDesC& aText );
+                
+        /**
+        * Copies stripped content to aBuf. Control chars, newlines and if
+        * aNoExtraSemicolons is ETrue, also two consecutive semicolons are
+        * replaced with semicolon and space.
+        * @param aBuf               buffer where stripped content will be copied.
+        * @param aMaxLen            max length of aBuf.
+        * @param aNoExtraSemicolons ETrue if two consecutive semicolons must be handled.
+        */
+        IMPORT_C void TextContentStrippedL( TDes& aBuf, TInt aMaxLen, TBool aNoExtraSemicolons = ETrue );
+
+        /**
+        * Calls iEditors HandleFrameSizeChangeL trapped
+        */
+        void HandleFrameSizeChange();
+        
+        /**
+        * Returns a pointer to the button control.
+        *
+        * @since 3.2
+        *
+        * @return Pointer to button control if available, otherwise NULL.
+        */
+        CAknButton* Button() const;
+        
+    public:  // from CMsgBaseControl
+
+        /**
+        * Creates this control from resource.
+        * @param aResourceId
+        */
+        void ConstructFromResourceL( TInt aResourceId );
+
+        /**
+        * Prepares control for viewing.
+        * @param aEvent
+        * @param aParam
+        */
+        void NotifyViewEvent( TMsgViewEvent aEvent, TInt aParam );
+
+        /**
+        * Resets (= clears) contents of the control.
+        */
+        IMPORT_C void Reset();
+
+        /**
+        * Calculates and sets the size of the control and returns new size as
+        * reference aSize.
+        * @param aSize
+        */
+        IMPORT_C void SetAndGetSizeL( TSize& aSize );
+
+        /**
+        * Checks if the focus change up or down is possible and
+        * returns ETrue if it is.
+        * @param aDirection
+        * @return
+        */
+        IMPORT_C TBool IsFocusChangePossible( TMsgFocusDirection aDirection ) const;
+        
+    public:  // from CCoeControl
+
+        /**
+        * Sets container window.
+        * @param aContainer
+        */
+        IMPORT_C void SetContainerWindowL( const CCoeControl& aContainer );
+
+        /**
+         * Handles key events.
+         * @param aKeyEvent
+         * @param aType
+         * @return
+         */
+        IMPORT_C TKeyResponse OfferKeyEventL( const TKeyEvent& aKeyEvent, 
+                                              TEventCode aType );
+
+        /**
+        * Returns minimum size of the control.
+        * @return
+        */
+        IMPORT_C TSize MinimumSize();
+
+        /**
+        * Returns control's input capabilities.
+        * @return
+        */
+        IMPORT_C TCoeInputCapabilities InputCapabilities() const;
+
+        /**
+        * For handling dynamic layout switch.
+        */
+        IMPORT_C void HandleResourceChange( TInt aType );
+
+    public:  // from MCoeControlObserver
+
+        /**
+        * Handle control event.
+        * @param aControl
+        * @param aEventType
+        */
+        IMPORT_C void HandleControlEventL( CCoeControl* aControl, 
+                                           TCoeEvent aEventType );
+    public:  // from MCoeCaptionRetrieverForFep
+    
+        /**
+        * Returns a caption for called
+        * @param aCaption On return, contains the caption.
+        */
+        void GetCaptionForFep( TDes &aCaption ) const;
+    protected:
+
+        /**
+        * Creates the editor for the control.
+        * @return
+        */
+        CMsgExpandableControlEditor* CreateEditorL();
+
+        /**
+        * Reads control properties from resource.
+        * @param aReader
+        */
+        virtual void ReadControlPropertiesFromResourceL( TResourceReader& aReader );
+
+        /**
+        * Creates caption for the control from resource.
+        * @param aReader
+        * @return
+        */
+        virtual CEikLabel* CreateCaptionFromResourceL( TResourceReader& aReader );
+
+        /**
+        * Creates editor for the control from resource.
+        * @param aReader
+        * @return
+        */
+        virtual CMsgExpandableControlEditor* CreateEditorFromResourceL(
+            TResourceReader& aReader );
+        
+        /**
+        * Sets the correct layout for button.
+        */    
+        virtual void LayoutButton();       
+        
+    protected:  // from CMsgBaseControl
+
+        /**
+        * Prepares for read only or non read only state.
+        * @param aReadOnly
+        */
+        void PrepareForReadOnly( TBool aReadOnly );
+
+        /**
+        * Reads layout data from "LAF".
+        */
+        virtual void ResolveLayoutsL();
+
+    protected:  // from CCoeControl
+
+        /**
+        * Returns a number of controls.
+        * @return
+        */
+        IMPORT_C TInt CountComponentControls() const;
+
+        /**
+        * Returns a control of index aIndex.
+        * @param aIndex
+        * @return
+        */
+        IMPORT_C CCoeControl* ComponentControl( TInt aIndex ) const;
+
+        /**
+        * Sets new position for all the controls.
+        */
+        IMPORT_C void SizeChanged();
+
+        /**
+        * This is called when the focus of the control is changed.
+        * @param aDrawNow
+        */
+        IMPORT_C void FocusChanged( TDrawNow aDrawNow );
+
+        /**
+        * Draw control.
+        * @param aRect
+        */
+        IMPORT_C void Draw( const TRect& aRect ) const;
+        
+        /**
+        * Sets the control as ready to be drawn. This implementation
+        * should be called by the derived classes implementing their
+        * own ActivateL function.
+        */
+        IMPORT_C void ActivateL();
+        
+    private:
+        
+        /**
+        * Performs view event handling.
+        */
+        void DoNotifyViewEventL( TMsgViewEvent aEvent, TInt aParam );
+        
+        /**
+        * Updates text color for caption from current skin.
+        */
+        void UpdateCaptionTextColorL();
+        
+    protected:
+
+        CEikLabel*                   iCaption;
+        
+        TAknLayoutText               iCaptionLayout;
+        
+        // Offset between control and caption. Used for highlight etc.
+        TInt                         iCaptionTop;
+        
+        TAknLayoutText               iEditorLayout;
+        
+        // Offset between control and editor. Used for highlight etc.
+        TAknLayoutRect               iFrameLayout;
+        
+        CAknButton*                  iButton;
+        TAknLayoutRect               iButtonLayout;
+        TInt                         iButtonTop;
+        TInt                         iCtrltype;
+    };
+
+#endif // CMSGEXPANDABLECONTROL_H
+
+// End of File