why not use the TstringGrid component? 2016-12-29 19:02 GMT+01:00 Werner Pamler via Lazarus < lazarus@lists.lazarus-ide.org>:
> Am 29.12.2016 um 16:59 schrieb Bart via Lazarus: > >> Hi, >> >> I am in need of a component/clas that can hold a 2 dimensional "table" >> of strings. >> The dimensions are unknown at designtime: I read the data from a HTML >> table. >> The HTML reader provides events that give me the data of each cell, >> and that tell me whenever a row is started or closed. >> >> The class should be able to: >> - access individual "cellls" (read/write) >> - add or insert a row (with an without data (TStrings and Array of >> String must be supprted as the datatype)). Note: adding a row must be >> possible when the dimensions of the table are yet unknown. >> - upon adding a row, it should be able to extend the dimensions of the >> table >> - the strings itself may contain LineEndings >> >> Not needed right now, but nice to have: >> - add or insert a column (with an without data) >> - upon adding a column, it should be able to extend the dimensions of the >> table >> - delete a row or column >> >> >> I have no need for saving the table to disk in any way. >> The program that uses this class should not need external libraries, >> since I cannot install those on the target computer I need my program >> on. >> >> I botched up some class that can do this (good enough for my purposes, >> but it's not nice code), but I was wondering if there already is some >> component that is more suitable (and well tested) for this. >> Using some sort of in memory dataset comes to mind, but I never use >> databases in my programs at all, so I'm a complete novice on that >> topic. >> > > fpspreadsheet? It even has a html reader, but might be an overkill though. > Internally it uses a TAVLTree for storing the cells. This tree is extremely > fast. Maybe you can build your class around it. > > Or the TVirtualGrid from grids.pas which is used internally by TCustomGrid > and its descendants? > > -- > _______________________________________________ > Lazarus mailing list > Lazarus@lists.lazarus-ide.org > http://lists.lazarus-ide.org/listinfo/lazarus >
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