Preserved Topic: m x n matrix of inputs

this is more a html-question, so i though i post it here, if im wrong, please move to the sss forum.

i am dynamically creating n x m matrix of text-input fields, which should be named uniquely because after that im creating a mysql-table with the data of the text-input fields.

i tried php, javascript, but it's all a bit difficult.

PHP:
<input type=text name=<? $tname[m][n] ?>>
therefor i should have declared every single variable because after the form-submitting they are NULL.

JS:
<input type=text name=tname[m][n]>
will give me a unique name, but it's difficult to access, cause it's all one string and not a javascript-array. so i would have to write a string parser, that filters out the m and the n.

is there another solution?

is my story unclear or is the problem too difficult?

your problem is not precise, and i can't see a problem while doing that...

so you've got a multi-dim array?

here's an untested code:

<?

//  $tname[dimension1][dimension2]

$all = 0;

while (list($key1, $value1) = each($tname))

{

  while (list($key2, $value2) = each($value1))

  {

    ?><input type='text' value='<?="$key1.$key2=$value2"?>' name='input<?=$all++?>'><?

  }

}

?>

I have no idea how you want to name your input fields, but you can name them whatever...I showed you the code that runs through your multi-dim array....

hope that helps.

first of all, thanks for your help, lallous!

well, i want to name my inputs so that i can afterwards insert them into a mysql table easily.

in your example the name is just input + a number. "input23" for example. did i understand it right?
or what does the '=' do before $all++ ?

big thanks!

yes, you understood me write about the $all

<?[b]=[/b]$all?>

this equal sign is a shorthand to 'echo'
as if <?echo $all;?>

i don't understand what you want to insert afterwards, and why you put them in a matrix instead of a flat array?

perhaps you can build me a simple HTML file that expresses what you want. just make that HTML as if you already coded what you want and that HTML is PHP generated, then i'll figure you a way to make an mxn translation.

ok, here it is:
http://www.wapod.com/~grumble/test/table.php

after you go through that process i want all data in variables.
if possible in the mother-window...
big thanks for helping!

[This message has been edited by GRUMBLE (edited 12-19-2001).]

dear Grumble,

I noticed that you're naming your form variables as: tcontent[0][0], tcontent[1][0], tcontent[0][1], ...,tcontent[0..m][0..n]...

oh well, you can do it in another simpler way...just name your vars (in javascript) as:
tcontent0 tcontent1
tcontent2 tcontent3
tcontent4 tcontent5
.....the max is: m (rows) * n (cols)
the heads are located from '0'..n

while you've stored all this in a raw matter, you can still access them as a matrix as:

var maxRow = set value here, maxCol = set value here

// as a human you specify the values not as zero based, therefore decrease one here or in the function below

// i.e: maxRow = [b]2[/b] - [/b] (1 row ZERO based)

// i'll not substract one in the function below

function rawFromMatrix(m, n)

{

  // similar function applies for PHP code

   return document.theForm.elements['tcontent' + (m*maxCol + n)];

}

you, in the caller window, can have a hidden value called: tcontentArr,
now when you will the values in the popup window, on subject do this:

// get all the values and pass the to caller, then we can access them easily in PHP

for (str=[], i=0;i<maxCol*maxRow;i++)

{

  str[i] = document.theform.elements['tcontent'+i].value;

}

parent.window.document.theform.tcontentArr.value = str.join(',');

window.close();

now in caller window you have the values that are comma seperated.......
knowing maxRow, and maxCol you can in PHP or JavaScript build a [m]x[n] array from that raw list...

p.s: there are lots of ways to do it, but this is one way...

good luck.

oh yes, forgot you the matrixFromRaw:

<?

function matrixFromRaw($raw, &$m, &$n)

{

  global $maxCol;

  $m = $raw / ($maxCol+1); // maxCol is zero based

  $n =  $raw % ($maxCol+1);

}

?>

[This message has been edited by lallous (edited 12-20-2001).]

lallous, big thanks for your help!

and there's a much simpler code i found out:

for ($i=0;$i<$rows;$i++) {

	for ($j=0;$j<$cols;$j++) {

	echo"window.opener.tarray[$i][$j]='";print_r( $tcontent[$i][$j] ); echo"';\n";

	}

}

weeee... it works! weeehaaaa!

1) your code will need an additional post in order to execute that javascript code
2)how will you read the tarray[$i][$j] variables in PHP?

if you want to pass an array to PHP you pass it as:
<input type='hidden' name='theArray[]' value='element1'>
<input type='hidden' name='theArray[]' value='element2'>
<input type='hidden' name='theArray[]' value='element3'>

that will create an array named $theArray ...
but in your case i'm not sure how PHP will pass you this tarray[][] value...
tell me plz if you try it..

that is not a javascript-code, that is php.
maybe i should have posted more of it:

echo" Please wait while inserting data... <br> $rows Rows x $cols Columns \n

	<script language=\"JavaScript\" type=\"text/JavaScript\">

	<!-- enable Stealth mode to hide from really old browsers

	window.opener.editmenu.rows.value=$rows;

	window.opener.editmenu.cols.value=$cols;	

	

";

for ($i=0;$i<$rows;$i++) {

	for ($j=0;$j<$cols;$j++) {

	echo"window.opener.tarray[$i][$j]='";print_r( $tcontent[$i][$j] ); echo"';\n";

	}

}

echo"	

	window.opener.editmenu.isTable.value='1';

	window.close();

	// disable Stealth mode -->

	</script>

";

exit;

and it works.

btw: here's another JS-question:
say, i have a frameset with two frames:
leftframe
rightframe

how do i access form-elements between the two?
is it:
var x=leftframe.document.myform.myinput.value;
?
im gonna try.....

grumble, you totaly got me wrong there....i knew that was PHP and that other one was JS ....

anyway, glad you solved it...


yes, as: frameName.window.document.

oh. sorry.
so what was your question then?

thank you again!