I can't think of the programming pattern for this, but, this is what I'm trying to do for a little side project I'm building. I'll explain what I'm doing and then I ask you for the name of the programming pattern that most-closely solves this problem. I'm not specifically asking you to code it for me, however. (Unless you want to give some clues.) ;^) I have a guitar signal processor that lets me store presets for each song. Each song will have, at least, one preset, but a song may also have two or three presets. A song would never have more than five presets. These presets will always be in the same order as our set lists. I have a foot switch, that I use to select the presets for the songs. The foot switch will let me choose one of five presets in 20 different banks. For example Bank 1 consists of Presets 1-5. Bank 2 consists of Presets 6-10. etc... I have a database table of our songs. Each record also stores how many presets are used for any particular song. For example, "Born To Be Wild" uses only one preset. "Feel Like Makin' Love" uses three presets. I have another table that associates our songs with a show's set lists. Currently, I have another table that maps each song with the preset number on my processor. When I have to re-order the songs, in the set list, I have to also re-order them, in my processor, as well as modify the table that maps the songs to the presets. This is where I want to go: Rather than having a mapping table, I just want to make sure that my processor's presets match the set list's song order. Then, as long as the database knows how many presets are used for each song, it would automatically tell me where to store the songs presets in my processor. I have a utility that allows me to quickly move presets, in my processor, using a computer. Here is the catch: I don't want a multi-preset song to overlap a bank. For example: "Feel Like Makin' Love" uses three of the five presets in one bank. One day, we may follow that song with another song that uses three presets. Therefore, I need it to start with the next bank, not in position four, five and then the first of the next bank. That means the bank that holds "Feel Like Makin' Love" uses the first three presets and the last two are unused. That said, what would be the closest programming pattern that would solve this problem? I don't think it would be too difficult to loop and keep counters, but knowing when a bank is "full" because of the next preset would be the tricky part. Thanks for any suggestions. Michael Dawson Manager of Web Applications Office of Technology Services University of Evansville [ Tag line for rent ]
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