controlpanelapplication.h

symbian os c++ 界面控制及显示

//
// ControlPanelApplication.h
//
// Copyright (c) 2004 Symbian Ltd.  All rights reserved.
//

#include <eikenv.h>
#include <eikon.hrh>
#include <eikdial.h>
#include <eiktxlbm.h>
#include <eikclb.h>
#include <eikclbd.h>
#include <bautils.h>
#include <f32file.h>
#include <apgcli.h>

#include <ControlPanelApplication.rsg>
#include "ControlPanelApplication.hrh"

// This enumerator is used for the RefreshAppsListBoxL method
enum TEnumAddRemove
{
	EItemRemoved,
	EItemAdded
};

class CControlPanelDialog : public CEikDialog, public MEikListBoxObserver
	{
public:
	// Constructor
	CControlPanelDialog();

	// Destructor
	~CControlPanelDialog();

	 // Add resource file for this CTL to resource handler
	 // Called by CEikDialog to load a specific resource for this dialog
	void AddResourceFileL();

	// This is called when the listbox is clicked
	// @param aListBox which listbox caused the event
	// @param aEventType what type of even occured
	void HandleListBoxEventL(CEikListBox* aListBox, TListBoxEvent aEventType);

private:
	
	// CEikDialog method that is called when a view switch occurs
	// @see CEikDialog::PrepareForcedExitL()
	TInt PrepareForcedExitL();

	// CEikDialog method that is called when a button is pressed
	// @see CEikDialog::OkToExitL(TInt aButtonId)
	TBool OkToExitL(TInt aButtonId);

	// CEikDialog method called when an object in the dialog has its state changed
	// @param aControlId id of the object which had its state changed
	void HandleControlStateChangeL(TInt aControlId);

	// CEikDialog method that is called when the dialog is started
	// @see CEikDialog::PreLayoutDynInitL()
	void PreLayoutDynInitL();

	// CEikDialog function that is called when the dialog is started
	// @see CEikDialog::PostLayoutDynInitL()
	void PostLayoutDynInitL();

	// First time initialization of our listboxes
	void InitilizeAppsListboxL();
	void InitilizeInisListboxL();

	// Refreshes the list boxes
	void RefreshAppsListBoxL(TEnumAddRemove aStatus);

	// Removes the selected item from it's respective list
	void RemoveFromList(void);

	// This is called when the page is changed
	// @param aPageId gives the page id that is changed to 
	// (the ids are specified in the .hrh file)
	virtual void PageChangedL(TInt aPageId);
private:
	// Holds the resource file id after the resources has been added to the dialog - used by delete at exit
	TInt iResourceFileId;

	//These arrays hold the content of the listbox
	CDesCArrayFlat* iInisArray;
	CDesCArrayFlat* iAppsArray;

	// Holds the column data for the dialog
	CColumnListBoxData* iColumnData;
	// Used to keep a record of the page that is currently selected
	TInt iPageNumber;
	};