Dynamic Tables

[Staggan]

Hello

 

I am trying to display a list of groups, and for each group on that list I want to show it's members...

 

For example:

 

Group A

Member A 1

Member A 2

 

Group B

Member B 1

Member B 2

 

 

 

I would also like to be able to Click on the group heading to hide / show the members...

I get the groups and members from our database, no problem, but I am unsure how to display the results...

 

Anyone make any suggestions or point me in a direction?

 

Thanks

[Muddy_Funster]

the click to hide/show is best done with javascript - I have found the JQueryUI library to be good for that sort of thing. as for the displaying content, you can just echo it out as a table or into divs (better option for the show/hide idea). Let's see what you have just now and well point you in the right direction.

[Staggan]

So, this is what I have...

 

 

  $res=mysql_query("select * from tournaments")or die(mysql_error());
 ?>
<table cellpadding="2" cellspacing="2">
 <tr><td>Tournament Id</td>
  <td> Tournament Name</td>
 </tr>
<?php
while($row=mysql_fetch_assoc($res)) {
?>
<tr><td><?php print $row['tournament_id']; ?></td><td><a href='createtournament.php?con=<?php print $row['tournament_id']; ?>'><?php print $row['tournament_name']; ?></a></td></tr>
<?php } ?>
</table>
  </div>
  </form>
 </div>
</div>

 

This gives me my tournaments with a link on them to create that tournament (the link for the moment can be removed)

 

So now I want to add this table below each of the tournament names...

 

$participants = mysql_query("select * from tournament_participants")or die(mysql_query());

echo "<table><tr><th>Tournament Id</th><th>Team id</th><th>Participant id</th></tr>";
while($row=mysql_fetch_assoc($participants)) {

echo "<tr><td align='right'>".$row['tournament_id']."</td><td align='right'>".$row['team_id']."</td><td align='right'>".$row['participant_id']."</td></tr>";
  }
  echo "</table>";

 

So basically this gives me...

 

Tournament ID Tournament Name

1 Abc

2 EFG

 

And in the next table

 

 

Tournament ID Team ID Participant ID

1 157 233

1 201 444

2 89 111

2 225 232

 

And so on....

 

 

I'd like to print this differently so I see...

 

Tournament ID

1

Participants ID

233

444

 

2

111

232

 

And if I click on the tournament ID I want it to show or hide the participants....

 

Make sense?

 

Thanks

[Muddy_Funster]

How can you be sure, using the current queries, that your participants are actualy and always accurately attached to the correct tournament? (that's something of a toung twister)

 

Have you any experiance with javascript or JQueryUI?

[Staggan]

A little experience with javascript and very little with JQueryUI...

 

The current query would change to the following:

 

$participants = mysql_query("select * from tournament_participants where tournament_id = $row['tournament_id'] ")or die(mysql_query());

 

Although that itself did not work I had to write the tournament_id to a var first and include the var in the query

[PFMaBiSmAd]

You would execute ONE JOIN'ed query that gets the rows you want in the order that you want them. You would JOIN the two tables using the tournament_id.

[Staggan]

?

 

For each tournament_id I need a list of participants, I can do this, but what I cannot do is figure out how to display it and how to add a click to hide / show the participants in a tournament

[PFMaBiSmAd]

To output a new heading every time it changes, you would remember the previous heading and detect when the value changes -

 

$query = " ... your query statement that gets the rows you want in the order that you want them";
$result = mysql_query($query);
$last_heading = null; // 'remember' the last heading value. initialize to a value that will never appear in the data
while($row = mysql_fetch_assoc($result)){
// detect if the heading changed
if($last_heading != $row['group']){
// heading changed or is the first one
if($last_heading != null){
// not the first one, (optionally) close out the previous section here...
echo "</dl>\n";
}
// start a new section here...
echo "<dl>\n<dt>Group {$row['group']}</dt>\n";
$last_heading = $row['group']; // remember the new heading
}
// output the data under each heading
echo "<dd>Member {$row['member']}</dd>\n";
}
// (optionally) close out the last section here...
if($last_heading != null){
echo "</dl>\n";
}

[Staggan]

I am not sure I follow this example or suggestion....

 

This is the resultant layout I want...

 

 

Group A

Member A 1

Member A 2

 

Group B

Member B 1

Member B 2

 

And I want to be able to click a group and hide / show the members of that group.... I think my formatting here is not helping.. the members should be indented to the actual groups....

 

I don't see how your example gives me this.... maybe I am missing something...

[PFMaBiSmAd]

The code I posted does produce the exact layout you mentioned. The only thing that would need to be added to it is what is needed to show/hide the information (there are probably 10,000 javascript show/hide examples posted on the Internet.)

 

You should NOT execute a query inside of a loop of another query. It is extremely inefficient (the kind of thing that gets your account suspended on a live server.)

[Staggan]

I am confused then...

 

I will take a look through it tonight and see if I can make sense of it.... and will surely post more questions to understand it, hehe..

 

I agree about queries within loops, but I am very new to MySQL and still trying to figure out the language....

 

Thanks

[Staggan]

Hello

 

I rewrote my code to the following:

 

$result = mysql_query ("SELECT * FROM tournaments t, tournament_participants t1 WHERE t.tournament_id = t1.tournament_id")or die(mysql_query());

$last_heading = null; // 'remember' the last heading value. initialize to a value that will never appear in the data
while ($row = mysql_fetch_assoc($result)){
 // detect if the heading changed
 if($last_heading != $row['tournament_name']){
  // heading changed or is the first one

  if($last_heading != null){// not the first one, (optionally) close out the previous section here...

  echo "</dl>\n";
  }

  echo "<dl>\n<dt>Tournament {$row['tournament_name']}</dt>\n";$last_heading = $row['tournament_name'];
  }
  echo "<dd>Member {$row['team_id']}</dd>\n";
  }

  if($last_heading != null){

echo "</dl>\n";

}

 

It worked perfectly and now makes sense

 

I had not heard of definition lists before either

 

I will now look at hide / show options

 

Your help was much appreciated