delbrad
asked on
Floating a control over a dbgrid
I am kind of stuck with the following:
I am currently floating a control (datepicker from rxlib) over a grid with the following code:
procedure TLog.LogGridDrawColumnCell
DataCol: Integer; Column: TColumn; State: TGridDrawState);
begin
If DataCol = 0 then begin
If LogModule.tblLog.State in [dsEdit, dsInsert] then begin
If (gdFocused in State) then begin
Date.Left := LogGrid.Left + Rect.Left;
Date.Top := LogGrid.Top + Rect.Top;
Date.Width := Rect.Right - Rect.Left;
Date.Visible := True;
end;
end;
end;
end;
And when I want to make the control invisible again I use the following code:
procedure TLog.LogGridColExit(Sender
begin
If LogGrid.Columns[0].Title.C
Date.Visible := False;
end;
Ok now to my question:
How do I make the control invisible when I click on the horizontal scroll bar and also when I click on a component outside of the grid.
P.S. If you try the code above you will see it only makes the control invisible when I click on another field in the grid.
Thanks in advance for any help you can provide.
Note to Igor
If it would not take up much of your time then I think coming up with a
away to override the dbgrid would be the best bet. And since this sound like a big task I have increased the points as you can see.
I am currently floating a control (datepicker from rxlib) over a grid with the following code:
procedure TLog.LogGridDrawColumnCell
DataCol: Integer; Column: TColumn; State: TGridDrawState);
begin
If DataCol = 0 then begin
If LogModule.tblLog.State in [dsEdit, dsInsert] then begin
If (gdFocused in State) then begin
Date.Left := LogGrid.Left + Rect.Left;
Date.Top := LogGrid.Top + Rect.Top;
Date.Width := Rect.Right - Rect.Left;
Date.Visible := True;
end;
end;
end;
end;
And when I want to make the control invisible again I use the following code:
procedure TLog.LogGridColExit(Sender
begin
If LogGrid.Columns[0].Title.C
Date.Visible := False;
end;
Ok now to my question:
How do I make the control invisible when I click on the horizontal scroll bar and also when I click on a component outside of the grid.
P.S. If you try the code above you will see it only makes the control invisible when I click on another field in the grid.
Thanks in advance for any help you can provide.
Note to Igor
If it would not take up much of your time then I think coming up with a
away to override the dbgrid would be the best bet. And since this sound like a big task I have increased the points as you can see.
ASKER
Edited text of question
ASKER
Adjusted points to 150
With joy I try to override it, however, in my time zone it is 24:25 now. So, if I can handle, I ask you to send you email. But if any one have a more briliant idea, I will see on tomorrow.
Note : I plan to combine DBGrid and datepicker so that you can set the column of it an it works as you want OK?
Thanks,
Igor
Note : I plan to combine DBGrid and datepicker so that you can set the column of it an it works as you want OK?
Thanks,
Igor
Hi delbrad
Notify me when you there, I am fixing up few things. It will be yours in a while.
Igor,(sleepless old guru)
Notify me when you there, I am fixing up few things. It will be yours in a while.
Igor,(sleepless old guru)
I should leave, now. Since I do not have an internet connection at home, I can not send you the component.
Sorry,
Sincerely,
Igor
Sorry,
Sincerely,
Igor
Well I have your solution--this procedure is from a program I'm currently writting that uses the technique:
procedure TfrmJournalPosting.dbgTran
const Rect: TRect; DataCol: Integer; Column: TColumn;
State: TGridDrawState);
var
Point : TPoint;
OutputStr : String;
begin
Point.X := 1;
Point.Y := 1;
//THESE LINES ARE THE ONES THAT WORK--AS YOU CAN SEE THERE IS
//A COLUMN RESIZING PROBLEM THAT IT FIXES TOO--WORKS WHEN YOU
//MAKE IT WIDER, BUT NOT WHEN YOU MAKE IT NARROWER :-)
If (Sender as TDBGrid).ControlAtPos(Poin
TControl((Sender as TDBGrid).Columns.Items[0])
dlcAccountNum.Visible := False; //Fixes scrolling problem
If Column.Field.FieldName = dlcAccountNum.DataField then
dlcAccountNum.Width := Column.Width + 1; //Fixes column resizing problem
If ((gdFocused in State) or (gdSelected in State)) and
(Column.Field.FieldName = dlcAccountNum.DataField) and
(Screen.ActiveControl = dbgTransactions) then
begin
dlcAccountNum.Left := Rect.Left + (Sender as TDBGrid).Left + 1;
dlcAccountNum.Top := Rect.Top + (Sender as TDBGrid).Top + 1;
dlcAccountNum.Visible := True;
end
end;
To make it invisible when you exit, just define the following procedure for the OnExit event of the grid:
procedure TfrmJournalPosting.dbgTran
begin
if Screen.ActiveControl <> dlcAccountNum then
dlcAccountNum.Visible := False;
end;
There is a BIG problem with this however. If you click on the column that uses the DateTimePicker and it is selected but the "floater" is not active (has been set invisible) the grid will pick it up and enter edit mode. My suggestion to you is to just forget about doing it yourself and buying a product like InfoPower or SofTouch to do what you want. Here are their sites:
www.woll2woll.com
www.softouchdev.com
If you have problems, I can give you all of the code dealing with the floating--just write me if you need it all or not. What I gave you should work as is as long as you change all the references to your components and cut out what references things specific to my program.
Good Luck,
Scott
procedure TfrmJournalPosting.dbgTran
const Rect: TRect; DataCol: Integer; Column: TColumn;
State: TGridDrawState);
var
Point : TPoint;
OutputStr : String;
begin
Point.X := 1;
Point.Y := 1;
//THESE LINES ARE THE ONES THAT WORK--AS YOU CAN SEE THERE IS
//A COLUMN RESIZING PROBLEM THAT IT FIXES TOO--WORKS WHEN YOU
//MAKE IT WIDER, BUT NOT WHEN YOU MAKE IT NARROWER :-)
If (Sender as TDBGrid).ControlAtPos(Poin
TControl((Sender as TDBGrid).Columns.Items[0])
dlcAccountNum.Visible := False; //Fixes scrolling problem
If Column.Field.FieldName = dlcAccountNum.DataField then
dlcAccountNum.Width := Column.Width + 1; //Fixes column resizing problem
If ((gdFocused in State) or (gdSelected in State)) and
(Column.Field.FieldName = dlcAccountNum.DataField) and
(Screen.ActiveControl = dbgTransactions) then
begin
dlcAccountNum.Left := Rect.Left + (Sender as TDBGrid).Left + 1;
dlcAccountNum.Top := Rect.Top + (Sender as TDBGrid).Top + 1;
dlcAccountNum.Visible := True;
end
end;
To make it invisible when you exit, just define the following procedure for the OnExit event of the grid:
procedure TfrmJournalPosting.dbgTran
begin
if Screen.ActiveControl <> dlcAccountNum then
dlcAccountNum.Visible := False;
end;
There is a BIG problem with this however. If you click on the column that uses the DateTimePicker and it is selected but the "floater" is not active (has been set invisible) the grid will pick it up and enter edit mode. My suggestion to you is to just forget about doing it yourself and buying a product like InfoPower or SofTouch to do what you want. Here are their sites:
www.woll2woll.com
www.softouchdev.com
If you have problems, I can give you all of the code dealing with the floating--just write me if you need it all or not. What I gave you should work as is as long as you change all the references to your components and cut out what references things specific to my program.
Good Luck,
Scott
Hi delbrad,
I am back again, the component is about 200 lines of code. Do you want me to send it as a comment or e-mail it to you.
I am waiting for your request
Igor
I am back again, the component is about 200 lines of code. Do you want me to send it as a comment or e-mail it to you.
I am waiting for your request
Igor
ASKER
To Igor
From delbrad
If you can, could you email it directly to me at
delbrad@brigadoon.com
P.S. Thank you for all your help!
From delbrad
If you can, could you email it directly to me at
delbrad@brigadoon.com
P.S. Thank you for all your help!
ASKER CERTIFIED SOLUTION
membership
This solution is only available to members.
To access this solution, you must be a member of Experts Exchange.
Why the rejection? Did you even try it? An explanation of why you rejected would be nice so that I can improve the answer to your expectations.
Scott
Scott
ASKER
To Igor
Currently the component is working, will advise if I find a bug
Thank you again.
Currently the component is working, will advise if I find a bug
Thank you again.
One actually feels good when he wants to find the answer to a previous question and pays 15 point only just to find the answer is in some e-mail. Isn't it?!
My friend, we are always here to serve, writedown a 0 point question, I would deal(note that this question is dated back to Jan 1998, delphi components change much (at least10 million new was created by this time) so, this solution may not be what you want in after 2 and a half year later, anyway
igor (inter)
igor (inter)
I have posted a question, igor, and I will bevery thankful for your help..
I can not find an easy way to your problem. Especially for scrolling, we have to oportunities. Either, create a new componenent from TDBGrid which also includes datepicker and handle WMVScroll and WMHScroll messages or in run-time, tell windows to send scroll commands to one of your methods. Or we may try to find a DBGrid component in which we can receive scrolling messages.
Which one do you prefer, If you want to override the component I try to help but it may took few hours(or an hour if no bugs, etc) or we may try to capture the scroll event.
Please notify!
Igor