meetingrequest/mrgui/mrfieldbuilderpluginextension/inc/cesmrncseditor.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 11 May 2010 15:57:15 +0300
branchRCL_3
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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: This file defines class CESMRNcsEditor.
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*
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*/
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#ifndef CESMRNCSEDITOR_H
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#define CESMRNCSEDITOR_H
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#include <eikrted.h>
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#include <AknUtils.h>
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/**
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 *  CESMRNcsEditor is a specialised CEikRichTextEditor for 
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 *  the email address lists for attendee fields.
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 */
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NONSHARABLE_CLASS( CESMRNcsEditor ) : public CEikRichTextEditor
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    {
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public:
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    /** 
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     * Constructor of this class
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     * @param default text of the editor
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     * @param aHeaderField set if editor contains a headerfield
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     * @returns CESMRClsItem instance
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     */
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    CESMRNcsEditor( HBufC* aDefaultText );
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    /**
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     * C++ Virtual Destructor.
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     */
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    virtual ~CESMRNcsEditor();
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public: // new functions
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    /**
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     * Get the size and position rectangle of the editor
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     * @param aLineRect rectangle of the editor
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     */
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    void GetLineRectL( TRect& aLineRect ) const;
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    /**
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     * Get the number of scrollable lines of the rich text editor
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     * @return number of scrollable lines
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     */
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    virtual TInt ScrollableLines() const;
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    /**
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     * Get the current line number of the selection
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     * @return current selected line number 
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     */
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    virtual TInt CursorLineNumber() const;
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    /**
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     * Get the number of lines in the editor
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     * @return number of lines in the editor
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     */
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    virtual TInt LineCount() const;
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    /**
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     * Get the current position in the editor line
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     * @return position in the current line of the editor
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     */
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    virtual TInt CursorPositionL() const;
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    /**
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     * Get the descriptor content of the editor label
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     * @return descriptor of the label
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     */
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    virtual const TDesC& GetLabelText() const;
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    /**
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     * Set the maximum length for the label
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     * @param aSize maximum length for the label
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     */
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    void SetMaximumLabelLength( TSize aSize );
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    /**
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     * Initialise/reset the rich text editor
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     */
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    void SetupEditorL();
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    /**
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     * Update editor content
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     */
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    void UpdateEditorL();
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    /**
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     * Update editor position
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     */
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    void PositionChanged();
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    /**
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     * Get the height of the text in the editor
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     * @return height of the text in the editor
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     */
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    TInt TextHeight() const;
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    /**
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     * Get the height of the single line of text in the editor
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     * @return height of the single line of text in the editor
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     */
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    TInt GetLineHeightL() const;
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    /**
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     * Get the number of characters in the editor
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     * @return number of characters in the editor
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     */
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    TInt GetNumChars() const;
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    /**
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      * Get the length of the editor document
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      * @return length of the editor document
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      */
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    TInt DocumentLength() const;
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    /**
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      * Get the number of pixels above the current editor line
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      * @return number of pixels above the current editor line
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      */
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    TInt PixelsAboveBand() const;
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    /**
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      * Change the number of pixels above the current editor line
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      * @param aPixels set the  number of pixels above the current editor line
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      */
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    TInt ChangeBandTopL(TInt aPixels);
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    /**
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      * Set the color of the text in the editor
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      * @param aColor color of the text in the editor
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      */
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    void SetTextColorL( TLogicalRgb aColor );
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    /**
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      * check if the editor has default text available
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      * @param ETrue if editor has default text available
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      */
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    TBool HasDefaultText();
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    /**
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      * Get length of text after trim
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      * return length of text after trim
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      */
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    TInt TrimmedTextLengthL();
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    /**
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      * Set the font of the editor
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      * @param aFont font of the editor
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      */
12
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    void SetFontL( const CFont* aFont );
0
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#ifdef _DEBUG
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    void DebugDump();
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#endif
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public: // from CoeControl
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    TKeyResponse OfferKeyEventL( const TKeyEvent& aKeyEvent, TEventCode aType );
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    void SetTextL( const TDesC* aDes );
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    void FocusChanged( TDrawNow aDrawNow );
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    void HandlePointerEventL( const TPointerEvent& aPointerEvent );
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0
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protected: // from CEikEdwin
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    virtual void HandleResourceChange( TInt aType );
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protected: // from MEditObserver
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    virtual void EditObserver( TInt aStart, TInt aExtent );
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private: // Implementation
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    void UpdateColors();
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    void UpdateGraphics();
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    void DoUpdateGraphicsL();
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private: // data
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    TInt iPreviousFontHeight;
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    TInt32 iPreviousLineSpacingInTwips;
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    HBufC* iDefaultText;//not own
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    TBool iHasDefaultText;
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    TRgb iTextColor;
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    };
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#endif