Global setting

Global setting for TDBVertGridEh and TDBGridEh classes

There are TDBAxisGridEhCenter class and global functions are declared in the DBAxisGridsEh.pas module

  function SetDBAxisGridEhCenter(NewGridCenter: TDBAxisGridEhCenter): TDBAxisGridEhCenter;
  function DBAxisGridEhCenter: TDBAxisGridEhCenter;

They are intended for the implementation of a single point for the modification of certain features in the DBGridEh and DBVerGridEh components. To change the behavior of all the grids in the project, write your class and heir of TDBAxisGridEhCenter and registered it once anywhere in the project by using the next function.

SetDBAxisGridEhCenter(TMyDBAxisGridEhCenter.Create).Free;

The function returns an old class that can be immediately removed.

The methods that can be overridden in TDBAxisGridEhCenter:

procedure EditButtonDefaultAction(…); virtual;

Occurs when EditButton is pressed in any editor cell component of any TDBGridEh or TDBVertGridEh class. You can override this virtual procedure to write your actions when you click on EditButton. To override the action clicking on the level of the individual grid use the OnEditButtonDown and OnEditButtonClick event.

procedure EditButtonDefaultActionForImage(…); virtual;

Occurs when EditButton is pressed in any editor cell component of any TDBGridEh or TDBVertGridEh class for Blob field type which is the type of BlobType=ftGraphic.

procedure EditButtonDefaultActionText(…); virtual;

Occurs when EditButton is pressed in any editor cell component of any class or TDBGridEh TDBVertGridEh text field.

procedure FormSystemPopupMenuForColumn(…); virtual;

Intended to form the Popup menu that opens when user clicks on when EditButton any editor cell component of any TDBGridEh or TDBVertGridEh class. In the current implementation, the procedure is called only for graphic Blob fields.