include/svtools/toolpanel/toolpaneldeck.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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   9  * This file incorporates work covered by the following license notice:
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  19
  20 #ifndef INCLUDED_SVTOOLS_TOOLPANEL_TOOLPANELDECK_HXX
  21 #define INCLUDED_SVTOOLS_TOOLPANEL_TOOLPANELDECK_HXX
  22
  23 #include <svtools/svtdllapi.h>
  24 #include <svtools/toolpanel/toolpanel.hxx>
  25 #include <svtools/toolpanel/decklayouter.hxx>
  26
  27 #include <vcl/ctrl.hxx>
  28
  29 #include <boost/optional.hpp>
  30 #include <memory>
  31
  32
  33 namespace svt
  34 {
  35
  36
  37     class ToolPanelCollection;
  38     class ToolPanelDeck_Impl;
  39
  40
  41     //= IToolPanelDeckListener
  42
  43     class SAL_NO_VTABLE IToolPanelDeckListener
  44     {
  45     public:
  46         /** called when a panel has been inserted into the deck
  47         */
  48         virtual void PanelInserted( const PToolPanel& i_pPanel, const size_t i_nPosition ) = 0;
  49
  50         /** called when a panel has been removed from the deck
  51         */
  52         virtual void PanelRemoved( const size_t i_nPosition ) = 0;
  53
  54         /** called when the active panel of the deck changed
  55         */
  56         virtual void ActivePanelChanged( const ::boost::optional< size_t >& i_rOldActive, const ::boost::optional< size_t >& i_rNewActive ) = 0;
  57
  58         /** called when a new layouter has been set at a tool panel deck.
  59
  60             The method is called after the old layouter has been disposed (i.e. its Destroy method has been
  61             invoked), and after the complete deck has been re-layouter.
  62         */
  63         virtual void LayouterChanged( const PDeckLayouter& i_rNewLayouter ) = 0;
  64
  65         /** called when the tool panel deck which the listener registered at is dying. The listener is required to
  66             release all references to the deck then.
  67         */
  68         virtual void Dying() = 0;
  69
  70     protected:
  71         ~IToolPanelDeckListener() {}
  72     };
  73
  74
  75     //= IToolPanelDeck
  76
  77     class SVT_DLLPUBLIC IToolPanelDeck
  78     {
  79     public:
  80         /** returns the number of panels in the container
  81         */
  82         virtual size_t      GetPanelCount() const = 0;
  83
  84         /** retrieves the panel with the given index. Invalid indexes will be reported via an assertion in the
  85             non-product version, and silently ignored in the product version, with a NULL panel being returned.
  86         */
  87         virtual PToolPanel  GetPanel( const size_t i_nPos ) const = 0;
  88
  89         /** returns the number of the currently active panel.
  90         */
  91         virtual ::boost::optional< size_t >
  92                             GetActivePanel() const = 0;
  93
  94         /** activates the panel with the given number. If the given number is larger or equal to the number of panels
  95             in the deck, this will be reported via an assertion in non-product builds, and otherwise ignored.
  96             @param i_rPanel
  97                 the number of the panel to activate. If this is not set, the currently active panel is de-activated,
  98                 and no new panel is activated at all. Whether or not this makes sense for your application is at
  99                 your own discretion.
 100         */
 101         virtual void        ActivatePanel( const ::boost::optional< size_t >& i_rPanel ) = 0;
 102
 103         /** inserts a new panel into the container. NULL panels are not allowed, as are positions greater than the
 104             current panel count. Violations of this will be reported via an assertion in the non-product version, and
 105             silently ignored in the product version.
 106         */
 107         virtual size_t      InsertPanel( const PToolPanel& i_pPanel, const size_t i_nPosition ) = 0;
 108
 109         /** removes a panel specified by its position.
 110
 111             Note: It is the responsibility of the caller to ensure that the panel is destroyed appropriately. That is,
 112             the tool panel deck will <em>not</em> invoke <member>IToolPanel::Dispose</member> on the removed panel.
 113             The advantage is that the panel might be re-used later, with the disadvantage that the owner of the panel
 114             deck must know whether Dispose must be invoked after removal, or whether the panel will properly
 115             dispose itself when its ref count drops to 0.
 116         */
 117         virtual PToolPanel  RemovePanel( const size_t i_nPosition ) = 0;
 118
 119         /** adds a new listener to be notified when the container content changes. The caller is responsible
 120             for life time control, i.e. removing the listener before it actually dies.
 121         */
 122         virtual void        AddListener( IToolPanelDeckListener& i_rListener ) = 0;
 123
 124         /** removes a container listener previously added via addListener.
 125         */
 126         virtual void        RemoveListener( IToolPanelDeckListener& i_rListener ) = 0;
 127
 128     protected:
 129         ~IToolPanelDeck() {}
 130     };
 131
 132
 133     //= ToolPanelDeck
 134
 135     class SVT_DLLPUBLIC ToolPanelDeck   :public Control
 136                                         ,public IToolPanelDeck
 137     {
 138     public:
 139         ToolPanelDeck( vcl::Window& i_rParent, const WinBits i_nStyle = WB_DIALOGCONTROL );
 140         virtual ~ToolPanelDeck();
 141         virtual void dispose() SAL_OVERRIDE;
 142
 143         // attributes
 144         PDeckLayouter       GetLayouter() const;
 145         void                SetLayouter( const PDeckLayouter& i_pNewLayouter );
 146
 147         /** returns the window which acts as anchor for the panel windows.
 148
 149             This is a single dedicated window, which is passed to the IToolPanel::ActivatePanel method
 150             whenever a panel is activated, to act as parent window for the panel's VCL-Window.
 151         */
 152         vcl::Window&           GetPanelWindowAnchor();
 153         const vcl::Window&     GetPanelWindowAnchor() const;
 154
 155         // IToolPanelDeck
 156         virtual size_t      GetPanelCount() const SAL_OVERRIDE;
 157         virtual PToolPanel  GetPanel( const size_t i_nPos ) const SAL_OVERRIDE;
 158         virtual ::boost::optional< size_t >
 159                             GetActivePanel() const SAL_OVERRIDE;
 160         virtual void        ActivatePanel( const ::boost::optional< size_t >& i_rPanel ) SAL_OVERRIDE;
 161         virtual size_t      InsertPanel( const PToolPanel& i_pPanel, const size_t i_nPosition ) SAL_OVERRIDE;
 162         virtual PToolPanel  RemovePanel( const size_t i_nPosition ) SAL_OVERRIDE;
 163         virtual void        AddListener( IToolPanelDeckListener& i_rListener ) SAL_OVERRIDE;
 164         virtual void        RemoveListener( IToolPanelDeckListener& i_rListener ) SAL_OVERRIDE;
 165
 166     protected:
 167         // Window overridables
 168         virtual void Resize() SAL_OVERRIDE;
 169         virtual bool Notify( NotifyEvent& i_rNotifyEvent ) SAL_OVERRIDE;
 170         virtual void GetFocus() SAL_OVERRIDE;
 171
 172         virtual ::com::sun::star::uno::Reference< ::com::sun::star::awt::XWindowPeer >
 173                      GetComponentInterface( bool i_bCreate ) SAL_OVERRIDE;
 174
 175     private:
 176         ::std::unique_ptr< ToolPanelDeck_Impl >   m_pImpl;
 177     };
 178
 179
 180 } // namespace svt
 181
 182
 183 #endif // INCLUDED_SVTOOLS_TOOLPANEL_TOOLPANELDECK_HXX
 184
 185 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */