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/*********************************************************************** Vczh Library++ 3.0 Developer: Zihan Chen(vczh) GacUI::Control System Interfaces: ***********************************************************************/
#ifndef VCZH_PRESENTATION_CONTROLS_GUIDATAGRIDCONTROLS
#define VCZH_PRESENTATION_CONTROLS_GUIDATAGRIDCONTROLS
#include "GuiDataGridInterfaces.h"
#include "GuiListViewItemTemplates.h"
namespace
vl
{
namespace
presentation
{
namespace
controls
{
class
GuiVirtualDataGrid
;
namespace
list
{
/*********************************************************************** DefaultDataGridItemTemplate ***********************************************************************/
class
DefaultDataGridItemTemplate
:
public
DefaultListViewItemTemplate
,
public
ListViewColumnItemArranger
::
IColumnItemViewCallback
{
protected
:
compositions
::
GuiTableComposition
*
textTable
=
nullptr
;
collections
::
Array
<
Ptr
<
IDataVisualizer
>>
dataVisualizers
;
IDataEditor
*
currentEditor
=
nullptr
;
IDataVisualizerFactory
*
GetDataVisualizerFactory
(
vint
row
,
vint
column
);
IDataEditorFactory
*
GetDataEditorFactory
(
vint
row
,
vint
column
);
vint
GetCellColumnIndex
(
compositions
::
GuiGraphicsComposition
*
composition
);
bool
IsInEditor
(
GuiVirtualDataGrid
*
dataGrid
,
compositions
::
GuiMouseEventArgs
&
arguments
);
void
OnCellButtonDown
(
compositions
::
GuiGraphicsComposition
*
sender
,
compositions
::
GuiMouseEventArgs
&
arguments
);
void
OnCellLeftButtonUp
(
compositions
::
GuiGraphicsComposition
*
sender
,
compositions
::
GuiMouseEventArgs
&
arguments
);
void
OnCellRightButtonUp
(
compositions
::
GuiGraphicsComposition
*
sender
,
compositions
::
GuiMouseEventArgs
&
arguments
);
void
OnColumnChanged
()
override
;
void
OnInitialize
()
override
;
void
OnSelectedChanged
(
compositions
::
GuiGraphicsComposition
*
sender
,
compositions
::
GuiEventArgs
&
arguments
);
void
OnFontChanged
(
compositions
::
GuiGraphicsComposition
*
sender
,
compositions
::
GuiEventArgs
&
arguments
);
void
OnContextChanged
(
compositions
::
GuiGraphicsComposition
*
sender
,
compositions
::
GuiEventArgs
&
arguments
);
void
OnVisuallyEnabledChanged
(
compositions
::
GuiGraphicsComposition
*
sender
,
compositions
::
GuiEventArgs
&
arguments
);
public
:
DefaultDataGridItemTemplate
();
~
DefaultDataGridItemTemplate
();
void
UpdateSubItemSize
();
bool
IsEditorOpened
();
void
NotifyOpenEditor
(
vint
column
,
IDataEditor
*
editor
);
void
NotifyCloseEditor
();
void
NotifySelectCell
(
vint
column
);
void
NotifyCellEdited
(); }; }
/*********************************************************************** GuiVirtualDataGrid ***********************************************************************/
/// <summary>Data grid control in virtual mode.</summary>
class
GuiVirtualDataGrid
:
public
GuiVirtualListView
,
protected
compositions
::
GuiAltActionHostBase
,
private
list
::
IDataGridContext
,
public
Description
<
GuiVirtualDataGrid
> {
friend
class
list
::
DefaultDataGridItemTemplate
;
protected
:
list
::
IListViewItemView
*
listViewItemView
=
nullptr
;
list
::
ListViewColumnItemArranger
::
IColumnItemView
*
columnItemView
=
nullptr
;
list
::
IDataGridView
*
dataGridView
=
nullptr
;
Ptr
<
list
::
IDataVisualizerFactory
>
defaultMainColumnVisualizerFactory
;
Ptr
<
list
::
IDataVisualizerFactory
>
defaultSubColumnVisualizerFactory
;
bool
skipOnSelectionChanged
=
false
;
GridPos
selectedCell
{ -
1
,-
1
};
Ptr
<
list
::
IDataEditor
>
currentEditor
;
GridPos
currentEditorPos
{ -
1
,-
1
};
bool
currentEditorOpeningEditor
=
false
;
compositions
::
IGuiAltActionHost
*
GetActivatingAltHost
()
override
;
void
OnItemModified
(
vint
start
,
vint
count
,
vint
newCount
)
override
;
void
OnStyleInstalled
(
vint
index
,
ItemStyle
*
style
)
override
;
void
OnStyleUninstalled
(
ItemStyle
*
style
)
override
;
void
NotifyCloseEditor
();
void
NotifySelectCell
(
vint
row
,
vint
column
);
bool
StartEdit
(
vint
row
,
vint
column
);
void
StopEdit
();
void
OnColumnClicked
(
compositions
::
GuiGraphicsComposition
*
sender
,
compositions
::
GuiItemEventArgs
&
arguments
);
void
OnSelectionChanged
(
compositions
::
GuiGraphicsComposition
*
sender
,
compositions
::
GuiEventArgs
&
arguments
);
void
OnKeyDown
(
compositions
::
GuiGraphicsComposition
*
sender
,
compositions
::
GuiKeyEventArgs
&
arguments
);
void
OnKeyUp
(
compositions
::
GuiGraphicsComposition
*
sender
,
compositions
::
GuiKeyEventArgs
&
arguments
);
public
:
templates
::
GuiListViewTemplate
*
GetListViewControlTemplate
()
override
;
void
RequestSaveData
()
override
;
public
:
/// <summary>Create a data grid control in virtual mode.</summary>
/// <param name="themeName">The theme name for retriving a default control template.</param>
/// <param name="_itemProvider">The item provider for this control.</param>
GuiVirtualDataGrid
(
theme
::
ThemeName
themeName
,
GuiListControl
::
IItemProvider
*
_itemProvider
);
~
GuiVirtualDataGrid
();
/// <summary>Selected cell changed event.</summary>
compositions
::
GuiNotifyEvent
SelectedCellChanged
;
IItemProvider
*
GetItemProvider
()
override
;
/// <summary>Change the view to data grid's default view.</summary>
void
SetViewToDefault
();
/// <summary>Get the row index and column index of the selected cell.</summary>
/// <returns>The row index and column index of the selected cell.</returns>
GridPos
GetSelectedCell
();
/// <summary>Select a cell.</summary>
/// <returns>Returns true if the editor is opened.</returns>
/// <param name="value">The row index and column index of the selected cell.</param>
/// <param name="openEditor">Set to true to open an editor.</param>
bool
SelectCell
(
const
GridPos
&
value
,
bool
openEditor
); }; } } }
#endif