DataView (gb.db.form)

This control implements a TableView that shows the contents of a database table and allows to edit it.

The data is provided by the the first DataSource parent control.

The Columns property controls the list of fields to display or edit.

If you want more control on the appearance, you can use the View property to access the inner TableView control.

Questa classe eredita UserControl in gb.qt4.

Questa classe è creabile.

Proprietà
Background   Returns or sets the background color used by the control.
Border   Return or set if the control has a border.
Columns   Return or set the fields displayed by the control.
Count   Return the number of records.
Current   Return the values of all primary keys of the current record as an array of Variant.
Data   Use this property to store the contents of a cell during the Data event handler.
Editable   Return or set if the DataView contents is editable.
Font   Returns or sets the font used to draw text in the control.
Grid   Returns or sets if grid lines should be displayed.
Header   Return or set which headers should be displayed:
Highlight   Return or set if even lines are highlighted.
Index   Return the index of the current record.
Labels   Return or set the labels that will replace the field names in the column headers.
Mode   Return or set the selection mode:
Sorted   Return or set if the control can be sorted by clicking on the column headers.
View   Return the underlying TableView used for displaying and editing the data.

Proprietà ereditate
Action   Returns or sets the action string associated with the control.
Children   Returns a collection of each control included in the container.
ClientH   A synonymous for the ClientHeight property.
ClientHeight   Returns the height of the area containing the controls.
ClientW   A synonymous for the ClientWidth property.
ClientWidth   Returns the width of the area containing the controls.
ClientX   Returns the position of the left border of the area containing the controls.
ClientY   Returns the position of the top border of the area containing the controls.
Cursor   Use this property for assigning a custom cursor to a control.
Design   Indicates that the control is in design mode.
Direction   Return or set the control text direction.
Drop   Returns or sets if a control accepts drops.
Enabled   Indicates that the control is enabled.
Expand   Returns or sets if a control will expand if included in a container that arranges its contents.
Foreground   Returns or sets the foreground color used by the control.
H   A synonymous for the Height property.
Handle   Returns the internal X11 window handle of the control.
HasFocus   Returns whether the control has the focus.
Height   Returns or sets the height of the control.
Hovered   Returns whether the mouse cursor is inside the control.
Id   A synonymous for the Handle property.
Ignore   Returns or sets if a control must be ignored when its parent arranges its children.
Left   Returns or sets the position of the left border of the control relative to its parent.
Mouse   Returns or sets the appearence of the cursor when it points inside the control.
Name   Returns or sets the name of the control.
Next   Returns the next control having the same parent.
NoAnimation  
NoTabFocus   Return or set if a control cannot be focused with the TAB key.
Parent   Returns the control container.
PopupMenu   Return or set the name of the menu that will be popped-up when the user presses the right mouse button or the keyboard MENU key.
Previous   Returns the previous control having the same parent.
Proxy   Return or set the "proxy" of a control.
ProxyFor   Return which control that control is a proxy for.
RightToLeft   Return if the control is right to left oriented.
ScreenX   Returns the position of the left border of the control in screen coordinates.
ScreenY   Returns the position of the top border of the control in screen coordinates.
Tag   Returns or sets the control tag.
Tooltip   Returns or sets the tooltip shown when the mouse stays on the control for a short time.
Top   Returns or sets the position of the top border of the control relative to its parent.
Tracking   Returns or sets if the control will receive MouseMove events.
Visible   Indicates if the control is visible or not.
W   A synonymous for the Width property.
Width   Returns or sets the width of the control.
Window   Returns the top-level window that contains the control.
X   Returns or sets the position of the left border of the control relative to its parent.
Y   Returns or sets the position of the top border of the control relative to its parent.

Metodi
Cancel   Cancel the current record edition.
Create   Enter creation mode.
Find   Find the first row matching a SQL request and move to it.
FindNext   Find the next row matching a SQL request from the current position, and move to it.
MoveFirst   Move the current record to the first one.
MoveLast   Move the current record to the last one.
MoveNext   Move the current record to the next one.
MovePrevious   Move the current record to the previous one.
MoveTo   Move the current record to the Indexth one.
Remove   Delete the selected records, and return TRUE if is has not been possible.
Save   Save the current record and return TRUE if it has not been possible.
SelectAll   Select all rows.
UnselectAll   Unselect all rows.
Update   Reload the DataView contents.

Metodi ereditati
Delete   Destroys the control.
Drag   Starts a drag & drop process.
FindChild   Finds the first child control pointed by the X and Y coordinates.
Grab   Grab the keyboard and the mouse so that all keyboard and mouse events are received by the control.
Hide   Hides the control.
Lower   Sends the control to the background of its parent.
Move   Moves and/or resizes the control.
MoveScaled   Moves and/or resizes the control.
Raise   Sends the control to the foreground of its parent.
Refresh   Trigger a redraw of the control.
Reparent   Changes the container of a control.
Resize   Resizes the control.
ResizeScaled   Resizes the control.
SetFocus   Gives the focus to the control.
Show   Shows the control.

Eventi
Activate   Raised when the current record changes.
Data   Raised when the DataView needs to display a specific cell.

Eventi ereditati
Arrange   This event is raised when a container has just finished arranging its contents.
BeforeArrange   This event is raised just before a container arranges its contents.
DblClick   Raised when the user quickly clicks twice on the control.
Drag   This event is raised when the mouse enters the control during a drag & drop process.
DragLeave   This event is raised when the mouse leaves the control during a drag & drop operation.
DragMove   This event is raised while the mouse moves inside the control during a drag & drop process.
Drop   This event is raised when a drag is dropped in the control.
Enter   Raised when the mouse enters the control.
GotFocus   Raised when the control has got the focus.
KeyPress   Raised when a key is pressed while the control has the focus.
KeyRelease   Raised when a key is released while the control has the focus.
Leave   Raised when the mouse leaves the control.
LostFocus   Raised when the control has lost the focus.
Menu   Raised when the user clicks on the control with the right mouse button, or if it hits the MENU key.
MouseDown   Raised when a mouse button is pressed while the cursor is inside the control.
MouseDrag   This event is raised when a drag operation should be started.
MouseMove   Raised when the mouse moves inside the control while a mouse button is pressed.
MouseUp   Raised when a mouse button is depressed while the cursor is inside the control.
MouseWheel   This event is raised when the user moves or presses the mouse wheel while the mouse is inside the control.
NewChild   This event is raised when a new child Control has just been inserted into the container.

See also