[Gambas-user] load contents of a TreeView from a file

[Joshua Higgins]

aha! No problem at all. The file I was loading my lines from had an empty
newline right at the end. I added a CATCH as a temporary workaround. Thanks
for your help!

On Sun, Aug 17, 2008 at 11:38 AM, Joshua Higgins
<joshiggins at ...1601...>wrote:

> Thank you very much for the reply.
>
> I have got as far as the FOR EACH section, and I have done
> sItem = Split(sLine, " ") to get another array called sItem with the 3 bits
> of information I need to add to the TreeView. The problem I'm having is
> identifying each part of the array.  If I shell "echo " & sItem[0] or [1] or
> [2] I get the right bit of information out on the terminal, but I also get
> an Out of Bounds error.
>
>
> On Sun, Aug 17, 2008 at 7:30 AM, Doriano Blengino <
> doriano.blengino at ...1909...> wrote:
>
>> joshiggins ha scritto:
>> > Hello.
>> >
>> > I'm just starting out with gambas and need some help. I have a file
>> > formatted as follows:
>> >
>> > itemkey [SPACE] itemname [SPACE] path/to/icon
>> > itemkey1 [SPACE] itemname [SPACE] path/to/icon    etc...etc...
>> >
>> > I need to load this data from a file into a treeview. I figure that I
>> need
>> > to load the file and for each line split it up into the 3 parts and add
>> an
>> > item to the treeview, then do the same for the next line, and the next
>> etc.
>> > I'm completely lost on where to start. The LINE INPUT page on the wiki
>> only
>> > inputs the first line. Any suggestions?
>> >
>>
>> An example from the online help:
>>
>>    hFile = OPEN "/etc/hosts" FOR INPUT
>>
>>    WHILE NOT Eof(hFile)
>>      LINE INPUT #hFile, sOneLine
>>      PRINT sOneLine
>>    WEND
>>
>>    CLOSE #hFile
>>
>> You open the file, then input one line at a time. This is the classic way.
>> Don't forget to close the file (see later).
>>
>> Another method is to load the entire file into a string, with:
>>
>>    sString = file.load("/etc/hosts")
>>
>> then you must split this long string into a string[] using something like:
>>
>>    sLines = Split(sString, "\n")
>>
>> At this point you have a string[] array you can traverse with "for each":
>>
>>    for each sLine in sLines
>>       ...
>>       ...
>>    next
>>
>> Every single line, obtained by either the two methods, must be again
>> splitted in tokes and loaded in the TreeView.
>>
>> About execute command then exit, I had no problems in doing this:
>>
>>    shell "cd /usr/local/bin; xterm &"
>>
>> This launches the terminal emulator "xterm" in background. If you exit
>> the application, the xterm stays there.
>> It is true that open files, environment, signals and other thing may be
>> inherited by the child process, but I think this can be solved by the
>> ampersand in the end of the SHELL command.
>>
>> If you need more help, ask again.
>>
>> Salutations,
>> Doriano Blengino.
>>
>>
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>
>
>
> --
> joshua higgins
> >>>>>>------
>



-- 
joshua higgins
>>>>>>------