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Grid Column Color |
Thu, Jul 9 2015 6:15 PM | Permanent Link |
Walter Matte Tactical Business Corporation | Has anyone else tried modifying the grid source to add the Background property for GridColumns. I have got it working 99%. But in the one case it fails: if you click in the column but beyond the last row and then move the mouse to the right or left it the grid background (meaning the column color being used is transparent) appears and my "red" never comes back. Do I have to override an interface or a mouse leave event? If I move any where else and even the space beyond and back up the column it works fine. Walter Attachments: EWB2ColColor.png |
Fri, Jul 10 2015 3:18 PM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. timyoung@elevatesoft.com | Walter,
<< Has anyone else tried modifying the grid source to add the Background property for GridColumns. >> I would hold off for now - 2.01 will have a new grid cell update event that you can use to update the look of one or more cells for a given column. It works like this: procedure TForm1.GridColumn5CellUpdate(Sender: TObject; ACell: TGridCell); begin if SameText(ACell.InterfaceState,NORMAL_STATE_NAME) then begin if SameText(ACell.Data,'110') then begin ACell.Font.Color:=clWhite; ACell.Background.Fill.Color:=clElevateRed; end else if SameText(ACell.Data,'144') then begin ACell.Font.Color:=clWhite; ACell.Background.Fill.Color:=clElevateOrange; end else if SameText(ACell.Data,'44') then begin ACell.Font.Color:=clWhite; ACell.Background.Fill.Color:=clElevateGreen; end else ACell.RefreshInterface; end; end; Tim Young Elevate Software www.elevatesoft.com |
Wed, Jul 15 2015 6:13 AM | Permanent Link |
Walter Matte Tactical Business Corporation | Is what I am trying to do even possible?
I look forward to the Grid Cell level control, I trust there will still be a Grid Column level properties like color. Walter |
Wed, Jul 15 2015 3:24 PM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. timyoung@elevatesoft.com | Walter,
<< I look forward to the Grid Cell level control, I trust there will still be a Grid Column level properties like color. >> No, you'll have to specify the color for the cells in an OnCellUpdate event handler. However, the OnCellUpdate event is a TGridColumn event property, so you don't have to filter which column you're coloring. The reason for this is: a) The grid columns can be enabled/disabled and made read-only, all of which change the interface state and, subsequently the background color/opacity. b) The OnCellUpdate event handler may have to do some interface state comparisons to determine whether or not to color the cell. For example, you may not want to color the cell when it's "selected". As for a), I've been trying to come up with a solution to being able to save the "modified normal state" of any given control/UI element, but they all involve making a copy of the entire control/element's UI properties, and I'm trying to avoid that at all costs. If you look at a control like a grid, the number of copies of UI properties could get significant. Tim Young Elevate Software www.elevatesoft.com |
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