Delphi Programming

and software in general.

Saturday, August 2, 2008

Reusable Grid View - part 4 - Code Complete

The first part of FDCLib (Free Delphi Code Library) is out.

It contains the reusable grid view controller, a small color utility unit and three very simple demos.

The code is currently only tested under Delphi 2007, and the color utility unit implements a record with methods, so I guess that breaks older versions, but it is easy to change. I'll probably add some conditional code for compatibility later.

Details about versions downloading can always be found at http://fdclib.fosdal.com. You can download a .zip file or grab it with SVN from the repository at SourceForge. I haven't created a download package on SourceForge yet, but that is coming as well.

The Grid Demos
There are three very simple demos included in the demo/DemoFDCLib project. I'd like to add some more later, but I think they demonstrate the basic functionality for now.

DemoFrameGridViewController contains the interactive bits (ie the TStringGrid, etc.)

DemoNumbersViewClass show a series of numbers and their value squared, and also show how to use a custom static column color.

DemoColorsViewClass shows how to implement a procedural color and contains $FFFFFF rows :) Loading time is nonexistant.

DemoDirectoryClass is a small utility class that populate a TStringList from a directory path with wildcards. DemoDirectoryViewClass implements the grid controller for showing content from that extended string list. The default directory in the demo is "%temp%\*", but feel free to experiment with changing it in the edit box.