filemanager/App/inc/CFileManagerContainerBase.h
changeset 0 6a9f87576119
child 10 875fd7f60fdf
equal deleted inserted replaced
-1:000000000000 0:6a9f87576119
       
     1 /*
       
     2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0""
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  Base class for all file manager containers
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #ifndef CFILEMANAGERCONTAINERBASE_H
       
    20 #define CFILEMANAGERCONTAINERBASE_H
       
    21 
       
    22 
       
    23 //  INCLUDES
       
    24 #include <coecntrl.h>
       
    25 #include <badesca.h>
       
    26 #include <eiklbo.h>
       
    27 #include <eikcmobs.h>
       
    28 
       
    29 
       
    30 // FORWARD DECLARATIONS
       
    31 class CEikTextListBox;
       
    32 
       
    33 
       
    34 // CLASS DECLARATION
       
    35 /**
       
    36  * Base class for all containers in File Manager
       
    37  */
       
    38 class CFileManagerContainerBase : public CCoeControl, 
       
    39                                   public MEikListBoxObserver, 
       
    40                                   public MCoeControlObserver,
       
    41                                   public MEikCommandObserver,
       
    42                                   public MListBoxSelectionObserver
       
    43     {
       
    44     public:  // destructor
       
    45         /**
       
    46          * Destructor.
       
    47          */
       
    48         ~CFileManagerContainerBase();
       
    49 
       
    50     protected: // MEikListBoxObserver
       
    51         void HandleListBoxEventL( CEikListBox* aListBox, TListBoxEvent aEventType );
       
    52 
       
    53     protected: // MCoeControlObserver
       
    54         void HandleControlEventL( CCoeControl* aControl, TCoeEvent aEventType );
       
    55 
       
    56     protected: // From CCoeControl
       
    57         /**
       
    58          * @see CCoeControl
       
    59          */
       
    60         TKeyResponse OfferKeyEventL( const TKeyEvent& aKeyEvent, TEventCode aType );
       
    61 
       
    62         /**
       
    63          * @see CCoeControl
       
    64          */
       
    65         void SizeChanged();
       
    66 
       
    67         /**
       
    68          * @see CCoeControl
       
    69          */
       
    70         TInt CountComponentControls() const;
       
    71 
       
    72         /**
       
    73          * @see CCoeControl
       
    74          */
       
    75         CCoeControl* ComponentControl( TInt aIndex ) const;
       
    76 
       
    77         /**
       
    78          * @see CCoeControl
       
    79          */
       
    80         void FocusChanged( TDrawNow aDrawNow );
       
    81 
       
    82 		/**
       
    83 		 * @see CCoeControl
       
    84 		 */
       
    85         void GetHelpContext( TCoeHelpContext& aContext ) const;
       
    86 
       
    87     public: // From MEikCommandObserver
       
    88 		/**
       
    89 		 * @see MEikCommandObserver
       
    90 		 */
       
    91         void ProcessCommandL( TInt aCommandId );
       
    92 
       
    93     public: // New functions
       
    94         /**
       
    95          * Sets list empty and removes empty text until refreshed.
       
    96          */
       
    97         virtual void SetListEmptyL();
       
    98 
       
    99         /**
       
   100          * Stores the focus, so when control is reseted, focus can
       
   101          * be set back to current position. 
       
   102          *
       
   103          * @param aFocusedIndex index to be stored
       
   104          */
       
   105         void SetIndex( TInt aFocusedIndex );
       
   106 
       
   107         /**
       
   108          * Sets text array.
       
   109          */
       
   110         void SetTextArray( MDesCArray* aArray );
       
   111 
       
   112         /**
       
   113          * Sets help context.
       
   114          */
       
   115         void SetHelpContext( const TDesC& aHelpContext );
       
   116 
       
   117         /**
       
   118          * Sets empty text.
       
   119          */
       
   120         void SetEmptyTextL( TInt aTextId );
       
   121 
       
   122         /**
       
   123          * Refreshes the container.
       
   124          * @param aFocusedIndex Index of the item that will be focused
       
   125          *                      after refresh.
       
   126          */
       
   127         virtual void RefreshListL( TInt aFocusedIndex );
       
   128 
       
   129         /**
       
   130          * Gets selection mode status
       
   131          */
       
   132         TBool SelectionModeEnabled() const;
       
   133 
       
   134         /**
       
   135          * Updates cba
       
   136          */
       
   137         virtual void UpdateCba();
       
   138 
       
   139         /**
       
   140          * Gets index of current list item
       
   141          * @return Index of current list item or KErrNotFound if list is empty.
       
   142          */
       
   143         virtual TInt ListBoxCurrentItemIndex();
       
   144 
       
   145         /**
       
   146          * Gets number of list items
       
   147          * @return Number of list items.
       
   148          */
       
   149         virtual TInt ListBoxNumberOfItems();
       
   150 
       
   151         /**
       
   152          * Gets indexes of selection
       
   153          * @return Array of selected indexes. Ownership is not transferred.
       
   154          */
       
   155         virtual const CArrayFix< TInt >* ListBoxSelectionIndexes();
       
   156 
       
   157         /**
       
   158          * Gets number of selected list items
       
   159          * @return Number of selected list items.
       
   160          */
       
   161         virtual TInt ListBoxSelectionIndexesCount();
       
   162 
       
   163         /**
       
   164          * Toggles list item selection status
       
   165          * @param aIndex Index of list item.
       
   166          */
       
   167         virtual void ListBoxToggleItemL( TInt aIndex );
       
   168 
       
   169         /**
       
   170          * Checks list item selection status
       
   171          * @param aIndex Index of list item.
       
   172          * @return ETrue if item is selected. Otherwise EFalse.
       
   173          */
       
   174         virtual TBool ListBoxIsItemSelected( TInt aIndex );
       
   175 
       
   176         /**
       
   177          * Selects all list items
       
   178          */
       
   179         virtual void ListBoxSelectAllL();
       
   180 
       
   181         /**
       
   182          * Clears list selection
       
   183          */
       
   184         virtual void ListBoxClearSelection();
       
   185 
       
   186         /**
       
   187          * Sets text showm in empty list view.
       
   188          * @param aText Text to be shown
       
   189          */
       
   190         virtual void ListBoxSetTextL( const TDesC& aText );
       
   191 
       
   192         /**
       
   193          * Checks is search field visible
       
   194          * @return ETrue if search field is visible. Otherwise EFalse.
       
   195          */
       
   196         virtual TBool IsSearchFieldVisible() const;
       
   197 
       
   198         /**
       
   199          * Enables and disables the search field.
       
   200          * @param aEnable New status of search field.
       
   201          * @param aSearchText Text to search
       
   202          */
       
   203         virtual void EnableSearchFieldL(
       
   204             TBool aEnable, const TDesC& aSearchText = KNullDesC );
       
   205 
       
   206         /**
       
   207          * Sets current item index after search
       
   208          * @param aIndex Current item index.
       
   209          */
       
   210         virtual void SetCurrentItemIndexAfterSearch( TInt aIndex );
       
   211 
       
   212         /**
       
   213          * Selects list item
       
   214          * @param aIndex Index of list item.
       
   215          */
       
   216         virtual void ListBoxSelectItemL( TInt aIndex );
       
   217 
       
   218         /**
       
   219          * Deselects list item
       
   220          * @param aIndex Index of list item.
       
   221          */
       
   222         virtual void ListBoxDeselectItem( TInt aIndex );
       
   223         
       
   224         /**
       
   225          * 
       
   226          * 
       
   227          */
       
   228         virtual void ListBoxSetSelectionIndexesL(const CArrayFixFlat<TInt>* 
       
   229                                                           aSelectionIndexes);
       
   230 
       
   231     protected:
       
   232         /**
       
   233          * Standard C++ constructor.
       
   234          */
       
   235         CFileManagerContainerBase();
       
   236 
       
   237         virtual void ConstructL(
       
   238             const TRect& aRect,
       
   239             const TInt aFocusedIndex );
       
   240 
       
   241         virtual CEikTextListBox* CreateListBoxL() = 0;
       
   242 
       
   243         TBool ListBoxExists() const;
       
   244 
       
   245         CEikListBox& ListBox();
       
   246 
       
   247     private: // From MListBoxSelectionObserver
       
   248         void SelectionModeChanged(
       
   249             CEikListBox* aListBox, TBool aSelectionModeEnabled );
       
   250 
       
   251     private:
       
   252         void SetEmptyArrayL();
       
   253 
       
   254     private: // Data
       
   255         // Own: Pointer to listbox
       
   256         CEikTextListBox* iListBox;
       
   257         // Own: Help context name
       
   258         TCoeContextName iHelpContext;
       
   259         // Own: Empty text
       
   260         HBufC* iEmptyText;
       
   261         // Ref: Pointer to text array
       
   262         MDesCArray* iArray;
       
   263         // Own: Stores selection mode status
       
   264         TBool iSelectionModeEnabled;
       
   265 
       
   266     };
       
   267 
       
   268 #endif      // CFILEMANAGERCONTAINERBASE_H
       
   269             
       
   270 // End of File