mmuifw_plat/mul_widget_api/inc/mul/imulmultiitemwidget.h
branchRCL_3
changeset 26 0e9bb658ef58
parent 0 e83bab7cf002
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmuifw_plat/mul_widget_api/inc/mul/imulmultiitemwidget.h	Wed Sep 01 12:23:18 2010 +0100
@@ -0,0 +1,328 @@
+/*
+* Copyright (c) 2007 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:  The base class for Multimedia multi-item widgets.
+ *
+*/
+
+
+#ifndef I_MULMULTIITEMWIDGET_H
+#define I_MULMULTIITEMWIDGET_H
+
+// Includes
+#include <mul/imulwidget.h>
+
+// Namespaces used
+using namespace osncore;
+
+namespace Alf
+	{
+	    
+    // Forward declaration
+	class IMulModelAccessor;
+	
+	namespace mulmultiitemwidget
+		{
+		static const IfId Ident=
+			{
+			0, "mulmultiitemwidget"
+			};
+		}
+
+	/*! @class IMulMultiItemWidget
+	 *  @brief An interface for all Multimedia multi-item widgets.
+	 */
+	class IMulMultiItemWidget : public IMulWidget
+		{
+	public:
+
+		/*! @enum TMulWidgetPropertiesFlag
+		 * This enumeration defines some properties for the widgets. These can
+		 * be enabled or disabled for individual widget instances.
+		 */
+		enum TMulWidgetPropertiesFlag
+			{
+			EMulWidgetFlagFastScroll = 0x0001, /*!< Enable fast scroll.*/ 
+            EMulWidgetFlagCyclic = 0x0002, /*!< Enable cyclic/looping effect on widget.*/
+            EMulWidgetFlagNaviScroll = 0x0004,  /*!< Enable navi scroll support.*/
+            EMulWidgetFlagCenterFocus = 0x0008, /*!<Deprecated.*/
+            EMulWidgetFlagMultiSelect = 0x0010, /*!< Enable multiple marking/selection in widget. EMulWidgetMarkingMode must be enabled*/
+            EMulWidgetFlagVisible = 0x0020,  /*!< Attribute is of type String.*/
+            EMulWidgetMarkingMode = 0x0040, /*!< Enable marking/selection in widget.Only one item can be marked with this flag*/
+            EMulWidgetFlagDrag = 0x0080, /*!< Enable draging support.*/
+            EMulWidgetImageScaleMode = 0x0100, /*!< Deprecated.*/
+            EMulWidgetFlagSwap = 0x0200, /*!< Applicable only for grid widget for swaping item instead of reorder.*/
+            EMulWidgetFlagSingleTap = 0x0800, /*!< Enable single tap item selection.*/
+            EMulWidgetTitleMarqueeOn = 0x1000, /*!< Enable title marquee for list widget.*/
+            EMulWidgetDoubleTap = 0x0400/*!< Enable double tap .*/ 
+			};
+			
+		/*! @enum TMulAttributeDataType
+	     * This enumeration defines the attribute data types
+	     * 
+	     */
+		enum TMulAttributeDataType
+	    	{
+			EString = 1,    /*!< Attribute is of type String.*/
+			EDate,          /*!< Attribute is of type Date.*/
+			ENumeric        /*!< Attribute is of type Numeric.*/
+    		};
+    	/*! @enum TMulReOrderMode
+    	 *
+    	 *	This enumeration defines the Reorder mode
+    	 */
+    	enum TMulReOrderMode
+    	    {
+    	    EReorderShiftOn =1,   /*!< Switch On the Reorder Mode, and Type will be Shift */
+    	    EReorderSwapOn,		  /*!< Switch On the Reorder Mode, and Type will be Swap */
+  	  		EReorderDone,       /*!< Switch Off the Reorder Mode after committing  the reorder changes.*/
+    	    EReorderCancel        /*!< Switch Off the Reorder Mode, with Last Operation Cancel*/    		    		
+          };	
+    		
+		/**
+		 * Returns the type identifier of this interface.
+		 *
+		 * @return A descriptor to identify the type of this interface.
+		 */
+		static inline const IfId& Type()
+			{
+			return mulmultiitemwidget::Ident;
+		}
+
+		/**
+		 * Set a property or a group of properties. Properties not specified are not changed.
+		 *
+		 * @param aAnyFlag Property flag(s) to be set. To set more than one property,  
+		 *                  flags can be ORed.
+		 * @throw Invalid argument, if unknown/undefined flag is passed.
+		 * @throw Invalid argument, if the property is not supported by the widget.
+		 *
+		 * <B>Examples:</b>
+		 * @code
+		 * Set the flag for selection.
+		 *
+		 *      mListWidget->SetFlags( IMulMultiItemWidget::EMulWidgetFlagMultiSelect );
+		 * @endcode
+		 */
+		virtual void SetFlags(unsigned int aAnyFlag) = 0;
+
+		/**
+		 * Clear a property or a group of properties. Properties not specified are not changed.
+		 *
+		 * @param aAnyFlag  Property flag(s) to be cleared. To clear more than one property,
+		 *                  the flags can be ORed.
+		 * @throw Invalid argument, if unknown/undefined flag is passed.
+		 * @throw Invalid argument, if the property is not supported by the widget.
+		 *
+		 * <B>Examples:</b>
+		 * @code
+		 * Clear the flag for selection.
+		 *
+		 *  	mListWidget->ClearFlags( IMulMultiItemWidget::EMulWidgetFlagMultiSelect );
+		 * @endcode		 
+		 */
+		virtual void ClearFlags(unsigned int aAnyFlag) = 0;
+
+		/**
+		 * Return the status of all the flags. The flags that are set have the 
+		 * corresponding bit ON.
+		 *
+		 * @return All enabled flag(s). The corresponding bit for enabled flag(s) are set to 1.
+		 *
+		 * <B>Examples:</b>
+		 * @code
+		 * Get all flags status.
+		 *
+		 *  	int allFlags = mListWidget->GetFlags();
+		 * @endcode		 
+		 */
+		virtual unsigned int GetFlags() const = 0;
+
+		/**
+		 * Returns the property state, whether flag is on or off for widget.
+		 *
+		 * @param aAnyFlag  Flag to be cross-checked
+		 * @return True if set, False if not set
+		 *
+		 * <B>Examples:</b>
+		 * @code
+		 * Check if the cyclic flag is set
+		 *  
+		 *      if( mListWidget->IsFlagSet( IMulMultiItemWidget::EMulWidgetFlagCyclic ) )
+		 *          {
+		 *          ...
+		 *          }
+		 * @endcode		 
+		 */
+		virtual bool IsFlagSet(TMulWidgetPropertiesFlag aAnyFlag) const = 0;
+		
+        /**
+		 * Provide an empty text for the widget. This text is shown if there is no
+		 * data to be displayed in the widget. Widget makes a copy of the variable
+		 * and it is safe to call it many times.
+		 *
+		 * @param aDefaultText Text to be displayed in empty widget
+		 *
+		 * <B>Examples:</b>
+		 * @code
+		 * Set the empty text to "No Images"
+		 *
+		 *      mListWidget->SetEmptyText( UString("No Images") );
+		 * @endcode
+		 */
+		virtual void SetEmptyText( const UString& aDefaultText ) = 0;
+
+		/**
+		 * Set the data model for this widget. Widget uses the data model via 
+		 * IMulModelBase interface because it needs to know only limited functionality 
+		 * about the data model.
+		 *
+		 * @param aModel  Model to be set for widget.
+		 * @param aOwnership Flag which conveys the widget whether it should take 
+		 * the ownersip of the model or not.
+		 * @throw Logic error, if same accessor object passed again.
+		 *
+		 * <B>Examples:</b>
+		 * @code
+		 * Create the data model using widget factory and assign it to a widget.
+		 *
+		 *      mWidgetModel = widgetFactory.createModel<IMulModel> (KLoadNameModel);
+		 *
+         * Set the default visualization for the list items. If the visualization is not 
+         * specified there will be a panic when the model is assigned to the widget.
+         *
+	     *      mWidgetModel->SetTemplate( UString ( mulwidget::KTemplate6));
+	     *
+	     * Setting the data model to the widget. 
+         * 
+	     *      AddItems(10);
+	     *      mListWidget->SetModel( mWidgetModel);
+		 * @endcode
+		 */
+	//	virtual void SetModel(IMulModelBase* aModel, bool aOwnership) = 0;		
+		
+    	/**
+    	 * Set the state of the mark mode.
+    	 *
+    	 * @param aFlag True means mode is On, False means mode is Off.
+    	 *
+		 * <B>Examples:</b>
+		 * @code
+		 * Switch on the mark mode.
+		 *
+		 *      mListWidget->SetMarkMode(true);
+		 * @endcode
+    	 */
+        virtual void SetMarkMode(bool aFlag) = 0;
+    
+        /**
+    	 * Returns the state of the mark mode.
+    	 *
+    	 * @return  Status of the mark mode.
+    	 *
+		 * <B>Examples:</b>
+		 * @code
+		 * Check if the mark mode is On.
+		 *
+		 *      if( mListWidget->IsMarkMode() )
+		 *          {
+		 *          ...
+		 *          }
+		 * @endcode
+    	 */
+    	virtual bool IsMarkMode()const = 0;
+
+        /**
+    	 * Set the state of the reorder mode.
+    	 *
+    	 * @param aFlag EReorderShiftOn    : Switch on reorder mode in type shift.
+    	 *				EReorderSwapOn     : Switch on reorder mode in type swap.
+    	 *			      EReorderDone       : Switch Off the reorder with operatoin done
+    	 *              EReorderCancel     : Switch off the reorder mode with cancel last operation.
+    	 *
+		 * <B>Examples:</b>
+		 * @code
+		 * Switch on the reorder mode.
+		 *
+		 *      mListWidget->SetReorderMode(IMulMultiItemWidget::EReorderShiftOn);
+		 * @endcode
+    	 */    	
+    	virtual void SetReorderMode(IMulMultiItemWidget::TMulReOrderMode aReorderMode ) = 0;
+		
+		
+		/**
+		 * Returns whether reorder mode on/off.
+		 *
+		 * @return  Reorder Mode On/Off Status.
+		 *
+		 * <B>Examples:</b>
+		 * @code
+		 * Check if the reorder mode is On.
+		 *
+		 *      if( mListWidget->IsReorderModeOn() )
+		 *          {
+		 *          ...
+		 *          }
+		 * @endcode
+		 */    	 
+    	virtual bool IsReorderModeOn()const = 0 ;
+    	
+    		
+    	/**
+    	 * During fast scroll mode, the widget displays an overlay with more info.
+    	 * Setter API for the overlay strip.
+    	 *
+    	 * @param aType Attribute data type
+    	 * @param aAttribute Attribute whose value will be shown in the overlay
+    	 * @param aFormat Format string for formatting the value of the attribute
+    	 *
+    	 * <B>Examples:</b>
+		 * @code
+		 * Set the overlay to display (Month, Year) as more info.
+		 *
+		 *      mListWidget->SetOverlay( IMulMultiItemWidget::EDate, 
+		 *          UString(mulvisualitem::KMulDetail),
+		 *          UString("") );
+		 * @endcode
+    	 */
+    	virtual void SetOverlay(TMulAttributeDataType aType, const UString& aAttribute, const UString& aFormat) = 0 ;
+    	
+		/**
+		 * Sets the default image of the widget.
+		 * This image will be shown when the actual image data is not available
+		 *
+		 * @param aTextureId texture id to be used for default image.
+		 *
+		 * <B>Examples:</b>
+		 * @code
+		 * Set default image in coverflow widget. 
+		 *
+		 *     mCoverFlowWidget->SetDefaultImage( 1000 );
+		 * 
+		 * @endcode
+		 */
+       virtual  void SetDefaultImage(int aTextureId) = 0;          	
+	
+		/** 
+		 * Virtual destructor. 
+		 */
+		virtual ~IMulMultiItemWidget()
+			{
+			}
+
+		};
+
+	} // namespace Alf
+
+#endif // I_MULMULTIITEMWIDGET_H
+