8929cff54a
git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@1030 8e941d3f-bd1b-0410-a28a-d453659cc2b4
137 lines
3.2 KiB
ObjectPascal
137 lines
3.2 KiB
ObjectPascal
unit rxdbgrid_columsunit;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, SysUtils, LResources, Forms, Controls, Graphics, Dialogs, CheckLst,
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StdCtrls, Buttons, ButtonPanel, rxdbgrid;
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type
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{ TrxDBGridColumsForm }
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TrxDBGridColumsForm = class(TForm)
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ButtonPanel1: TButtonPanel;
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CheckListBox1: TCheckListBox;
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SpeedButton1: TSpeedButton;
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SpeedButton2: TSpeedButton;
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procedure FormCreate(Sender: TObject);
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procedure SpeedButton1Click(Sender: TObject);
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procedure SpeedButton2Click(Sender: TObject);
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private
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FGrid:TRxDBGrid;
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procedure SetGrid(AGrid:TRxDBGrid);
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procedure SetGridColumnsParams;
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public
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{ public declarations }
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end;
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procedure ShowRxDBGridColumsForm(Grid:TRxDBGrid);
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implementation
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uses rxdconst;
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procedure ShowRxDBGridColumsForm(Grid: TRxDBGrid);
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var
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rxDBGridColumsForm: TrxDBGridColumsForm;
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begin
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rxDBGridColumsForm:=TrxDBGridColumsForm.Create(Application);
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rxDBGridColumsForm.SetGrid(Grid);
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if rxDBGridColumsForm.ShowModal = mrOk then
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begin
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if Assigned(Grid) then
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rxDBGridColumsForm.SetGridColumnsParams;
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end;
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rxDBGridColumsForm.Free;
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end;
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{ TrxDBGridColumsForm }
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procedure TrxDBGridColumsForm.FormCreate(Sender: TObject);
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begin
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SpeedButton1.AnchorSideLeft.Control:=ButtonPanel1.HelpButton;
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SpeedButton1.AnchorSideTop.Control:=ButtonPanel1.HelpButton;
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SpeedButton1.AnchorSideBottom.Control:=ButtonPanel1.HelpButton;
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Caption:=sRxDbGridSelColCaption;
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SpeedButton1.Hint:=sRxDbGridSelColHint1;
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SpeedButton2.Hint:=sRxDbGridSelColHint2;
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end;
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procedure TrxDBGridColumsForm.SpeedButton1Click(Sender: TObject);
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var
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S:string;
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i:integer;
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begin
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if CheckListBox1.Items.Count > 1 then
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begin
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if CheckListBox1.ItemIndex>0 then
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begin
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i:=CheckListBox1.ItemIndex-1;
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S:=CheckListBox1.Items[CheckListBox1.ItemIndex];
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CheckListBox1.Items[CheckListBox1.ItemIndex]:=CheckListBox1.Items[i];
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CheckListBox1.Items[i]:=S;
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CheckListBox1.ItemIndex:=i;
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end;
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end;
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end;
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procedure TrxDBGridColumsForm.SpeedButton2Click(Sender: TObject);
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var
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S:string;
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i:integer;
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begin
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if CheckListBox1.Items.Count > 1 then
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begin
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if CheckListBox1.ItemIndex<CheckListBox1.Items.Count-1 then
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begin
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i:=CheckListBox1.ItemIndex+1;
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S:=CheckListBox1.Items[CheckListBox1.ItemIndex];
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CheckListBox1.Items[CheckListBox1.ItemIndex]:=CheckListBox1.Items[i];
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CheckListBox1.Items[i]:=S;
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CheckListBox1.ItemIndex:=i;
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end;
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end;
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end;
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procedure TrxDBGridColumsForm.SetGrid(AGrid: TRxDBGrid);
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var
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i:integer;
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begin
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if AGrid=FGrid then exit;
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FGrid:=AGrid;
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CheckListBox1.Items.Clear;
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if Assigned(AGrid) then
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begin
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for i:=0 to AGrid.Columns.Count-1 do
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begin
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CheckListBox1.Items.Add(AGrid.Columns[i].Title.Caption);
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CheckListBox1.Checked[i]:=AGrid.Columns[i].Visible;
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end;
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end;
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end;
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procedure TrxDBGridColumsForm.SetGridColumnsParams;
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var
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i:integer;
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Col:TRxColumn;
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begin
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for i:=0 to CheckListBox1.Items.Count-1 do
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begin
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Col:=FGrid.ColumnByCaption(CheckListBox1.Items[i]);
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if Assigned(Col) then
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begin
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Col.Visible:=CheckListBox1.Checked[i];
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Col.Index:=i;
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end
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end;
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end;
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initialization
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{$I rxdbgrid_columsunit.lrs}
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end.
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