Rosi Components

Class Hierarchy

Classes, Interfaces, Objects and Records

Functions and Procedures

Class TrDBGrid_MS

Fields

Unit

Declaration

type TrDBGrid_MS = class(TrDBGrid)

Description

enhanced TrDBGrid component which provides multiselect function by click on fixed column with definable colors

Hierarchy

TDBGrid
TrDBGrid
TrDBGrid_MS

Overview

Methods

	`function IsActiveSelected: Boolean;`
	`procedure SelectActive;`
	`procedure DeSelectActive;`
	`procedure SelectAll;`
	`procedure DeSelectAll;`
	`procedure ReverseSelection;`
	`function DeleteSelected: Boolean;`
	`function GetSelectedRecCount: Integer;`
	`function GetScopeRecCount(RecordScope: TRecordScope): Integer;`
	`procedure ProcScopeRecords(RecordScope: TRecordScope; CallBackProc: TNotifyEvent);`
	`procedure GetCellParams(Field: TField; AFont: TFont; var Background: TColor; var DataImageDef: TDataImageDef; ActiveRow, Highlight: Boolean); override;`

Properties

	`property rBookmarks: TrBookmarkList read FrBookmarks;`
	`property MyBookmarks: TrBookmarkList read FrBookmarks;`
	`property UseMultiSelect: Boolean read FUseMultiSelect write FUseMultiSelect;`
	`property SingleSelect: Boolean read FSingleSelect write FSingleSelect;`
	`property FixColPopup: TPopupMenu read FFixColPopup;`
	`property SelectByClickOnRow: Boolean read FSelectByClickOnRow write FSelectByClickOnRow default false;`
	`property DeselectAllByClickOnRow: Boolean read FDeselectAllByClickOnRow write FDeselectAllByClickOnRow default true;`
	`property SelectedRowsBkColor: TColor read FSelectedRowsBkColor write FSelectedRowsBkColor default clHighlight;`
	`property SelectedRowsFontColor: TColor read FSelectedRowsFontColor write FSelectedRowsFontColor default clHighlightText;`
	`property SelectingConfirmRecCount: Integer read FSelectingConfirmRecCount write FSelectingConfirmRecCount default 1000;`
	`property ShowMultiselectPopup: Boolean read FShowMultiselectPopup write FShowMultiselectPopup default true;`
	`property DeleteOnlySelected: Boolean read FDeleteOnlySelected write FDeleteOnlySelected default false;`
	`property OnDeleteSelected: TNotifyEvent read FOnDeleteSelected write FOnDeleteSelected;`
	`property OnSelectingRecords: TNotifyEvent read FOnSelectingRecords write FOnSelectingRecords;`
	`property OnSelectionChanged: TNotifyEvent read FOnSelectionChanged write FOnSelectionChanged;`
	`property OnCanDeleteSelected: TCanDeleteSelected read FOnCanDeleteSelected write FOnCanDeleteSelected;`

Description

Methods

	`function IsActiveSelected: Boolean;`
return if active record is selected

	`procedure SelectActive;`
select active record

	`procedure DeSelectActive;`
deselect active record

	`procedure SelectAll;`
select all records

	`procedure DeSelectAll;`
deselect all records

	`procedure ReverseSelection;`
reverse selection - select unselected and unselect selected records

	`function DeleteSelected: Boolean;`
delete all selected records, if no record is selected, property DeleteOnlySelected is used and active record is delete or nothing is done

	`function GetSelectedRecCount: Integer;`
returns count of selected records

	`function GetScopeRecCount(RecordScope: TRecordScope): Integer;`
returns count of selected records according RecordScope

	`procedure ProcScopeRecords(RecordScope: TRecordScope; CallBackProc: TNotifyEvent);`
proccess all records according RecordScope and call CallBackProc for each of them

	`procedure GetCellParams(Field: TField; AFont: TFont; var Background: TColor; var DataImageDef: TDataImageDef; ActiveRow, Highlight: Boolean); override;`
add bk color for selected records

Properties

	`property rBookmarks: TrBookmarkList read FrBookmarks;`
list of bookmarks to selected records

	`property MyBookmarks: TrBookmarkList read FrBookmarks;`
list of bookmarks to selected records - compability only

	`property UseMultiSelect: Boolean read FUseMultiSelect write FUseMultiSelect;`
indicates and set/reset multiselect function in runtime

	`property SingleSelect: Boolean read FSingleSelect write FSingleSelect;`
indicates and set/reset single select function in runtime

	`property FixColPopup: TPopupMenu read FFixColPopup;`
Popup menu for fix column

	`property SelectByClickOnRow: Boolean read FSelectByClickOnRow write FSelectByClickOnRow default false;`
define whether selection is done by click to any cell

	`property DeselectAllByClickOnRow: Boolean read FDeselectAllByClickOnRow write FDeselectAllByClickOnRow default true;`
define whether selection is done by click to any cell

	`property SelectedRowsBkColor: TColor read FSelectedRowsBkColor write FSelectedRowsBkColor default clHighlight;`
define background color of selected row

	`property SelectedRowsFontColor: TColor read FSelectedRowsFontColor write FSelectedRowsFontColor default clHighlightText;`
define font color of selected row

	`property SelectingConfirmRecCount: Integer read FSelectingConfirmRecCount write FSelectingConfirmRecCount default 1000;`
define count of selected records for action confirmation to aviod freeze for time consumin actions

	`property ShowMultiselectPopup: Boolean read FShowMultiselectPopup write FShowMultiselectPopup default true;`
define whether popup for fixed column is shown

	`property DeleteOnlySelected: Boolean read FDeleteOnlySelected write FDeleteOnlySelected default false;`
define if active record is deleted if nothing is selected

	`property OnDeleteSelected: TNotifyEvent read FOnDeleteSelected write FOnDeleteSelected;`
event is called for deletion of records, if not defined, standard delete method is used

	`property OnSelectingRecords: TNotifyEvent read FOnSelectingRecords write FOnSelectingRecords;`
event is called during selection of records for each record

	`property OnSelectionChanged: TNotifyEvent read FOnSelectionChanged write FOnSelectionChanged;`
event is called after selection or deselection of records

	`property OnCanDeleteSelected: TCanDeleteSelected read FOnCanDeleteSelected write FOnCanDeleteSelected;`
event is called before showing of fix column popup menu to obtain possibility to delete selected records

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