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callserver and replicants

brvhrt

i use callserver to populate a drop down menus in the replicants. it works fine.

here is the issue , when i save the dcr the next time i open the dcr only the values that has been saved in the replicates appear.

i am sure some of you have done something similar. i would really appreciate any help in suggesting how go about this.

ThANKS

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Comments

nipper

The basic issue is that your DCT is blank for that dropdown. So on form init, you need to another callserver to read the data again, while passing it the selected item, and populating the dropdown with the correct data, marking the proper item selected so that it is saved correctly.

Another approach, if your list is not too dynamic, is to, when you build the dropdown in the 1st place, populate a 2nd hidden dropdown (and select all items on save). This saves all the items in the DCR. On the next form init, you can read the items in the items int he 2nd dropdown and populate the 1st. Of course if the list changed since last save, it will not be updated, hence my caveat.

brvhrt

The basic issue is that your DCT is blank for that dropdown. So on form init, you need to another callserver to read the data again, while passing it the selected item, and populating the dropdown with the correct data, marking the proper item selected so that it is saved correctly.

Another approach, if your list is not too dynamic, is to, when you build the dropdown in the 1st place, populate a 2nd hidden dropdown (and select all items on save). This saves all the items in the DCR. On the next form init, you can read the items in the items int he 2nd dropdown and populate the 1st. Of course if the list changed since last save, it will not be updated, hence my caveat.

Thanks Andy for the quick reply,
i know i could use callserver every time i add a replicant but i am did not do so, i went around with it by saving the array in a global var and everytime i add a replicant i just grap that array and set it.

this worked great for me every time i add a new replicant but when i save
a value from the drop down menu , the next time i reopen the dcr only the value appear , and i cant even see a dropdown any more there. so the problem here is i need a new array for earh replicant.

Even if i used a callserver for every replicant added i still need to create a new array in my populatedata function but i dont know how many replicant i will have ??

any ideas or just a snib of code would reallllllllllllllllly be appreciated it

nipper

Even if i used a callserver for every replicant added i still need to create a new array in my populatedata function but i dont know how many replicant i will have ??

any ideas or just a snib of code would reallllllllllllllllly be appreciated it

No code since I have not written it, but I am doing something similar. I have not gotten to this code yet, but i will in a few days.

You should not need to run the callserver for each replicant. You can save the data in a global array on the 1st callserver. Then for each new replicant, use the data in the global array (all formapi) to populate the new select list.
Net result is that you will need to, for each new replicant, build the select list, but only the 1st from the callserver.

brvhrt

Thanks Andy , actually this is what i have done. i am in the process of trying to write a code to recreate the array for every replicant according to the value selected. wish me luck

ISCBorisB

Thanks Andy , actually this is what i have done. i am in the process of trying to write a code to recreate the array for every replicant according to the value selected. wish me luck

In addition to the new replicants you'll need to build it for each existing replicant just as well upon init.
To make it more interesting, for those you have to replicate saved selections.

How *Dynamic* is your drop-down? The easiest way to create DCR drop-downs dynamically is to create them in the DCT, before any DCR
is opened. If your changes depend for example on the Category/Type, you should probably use DCT Inline Command.
Is there any particular reason why you can't?

brvhrt

In addition to the new replicants you'll need to build it for each existing replicant just as well upon init.
To make it more interesting, for those you have to replicate saved selections.

How *Dynamic* is your drop-down? The easiest way to create DCR drop-downs dynamically is to create them in the DCT, before any DCR
is opened. If your changes depend for example on the Category/Type, you should probably use DCT Inline Command.
Is there any particular reason why you can't?

the reason i cant use inline command here is that we have some parameters come from the DCT/dcr and OF COURSE the only way to pass these parameters to the CGI script is by using callserver to get this query to work correctly

in another matter i hope if you can help me out in converting this code from perl to Javascript if you have done something similar or any Javascript expert would be thankful


if ($values){
        my $boolean = true;

          foreach $value($values){
          my $isDefaultSelected = ( ! $OptionSelected && $boolean ) ||  $value eq $OptionSelected  ? "true" : "false";
           $arrayOptions .= "dropdown_$array_counter\[" . $counter++ . "\] = new Option('$labels','$values', $isDefaultSelected, $isDefaultSelected );\n";

       $boolean = undef;
      }

ISCBorisB

if you can help me out in converting this code from perl to Javascript...

Sorry, but your so called *Perl* is beyond salvation. If what you are trying to do is to populate FormAPI Options Array from
the Server side you would have to do something like the following. Let's see how far you can go from here. Note that
callServer is the most complex FormAPI element by far. If you do not know Javasript you may want to talk to somebody
who does

//--------------------------------------------------------------------------------------
// FormAPI (Client Side)
//--------------------------------------------------------------------------------------
var all_options = new Array;
...
add_option(optLabel, optValue, optSelected) {
   all_options[all_options.length] = new Option(optLabel, optValue, optSelected, false);
}

#---------------------------------------------------------------------------------------
# Server Side
#---------------------------------------------------------------------------------------
use strict;

$| = 1;  #forces a flush after every write or print, Optional
print "Content-type: text/html\n\n";

my %options;
# Build %options Hash with Labels, Values and whatnot

my $calls = '';
$calls .= qq(api.add_option\('$_', '$options{$_}', false\);\n) foreach(keys %options);
build_call_back($calls);
exit 0;

#------------------------------------------------------------------------------------
sub build_call_back {
   my ($options) = @_;

   print <<END_PAGE;
<html>
<head>
<script type="text/javascript" language="javascript">
   api = parent.getScriptFrame();
   if (api) {$options}
</script>
</head>
<body>
</body>
</html>
END_PAGE

}

brvhrt

ISC,

I do understand Perl and Javascript, but the reason i asked is that i kept goin in circles with the code i wrote and i needed a different way of doing it if that might help. that is the reason i didnt want to post my script and didnt want to keep rewriting the code i have again and again.

any way i have a question for ya.

i have this for loop and it keeps populating the first instance of the replicant correctlly with the new saved option but wont populate the second option


var metaTagChildren = IWDatacapture.getItem("/meta_tag").getChildren();

    for(j=0; j < metaTagChildren.length; j++){ 
      var metatagItemName = metaTagChildren .getChildByName("meta_tag_id");
      if(metatagItemName.getOptions() != "") {

          metatagItemValue = metatagItemName.getOptions()[metatagItemName.getValue()].value;

          metatagItemName.setOptions(fourth_ddm);
          localarray = setOptionSelected_in_array(metatagItemName,metatagItemValue);

      } 
    }

brvhrt

Thanks any way i got it.

Thanks all you guys replys

nipper

Your code is pretty confusing, the setOptions(fourth_ddm) is what does the populating of the list, but I do not see where it is being built.

I suspect if you ran something like this:


for(i=0; i< fourth_ddm.length; i++){
alert ("entry "+i+" is "+fourth_ddm(i,1))

You would only see 1 alert. This should be a list of all options to be populated.

brvhrt

Your code is pretty confusing, the setOptions(fourth_ddm) is what does the populating of the list, but I do not see where it is being built.

I suspect if you ran something like this:
for(i=0; i< fourth_ddm.length; i++){
alert ("entry "+i+" is "+fourth_ddm(i,1))
You would only see 1 alert. This should be a list of all options to be populated.

no it is working perfectly , here is the idea. i put fourth_ddm in a global var and then i used it to populate the new fresh drop down menus. then i took the replicant Item and looped through all its instances. and rebuilt the array again according to the saved value

it took a 2 whole days to be done.. ( 4 hours to figure out that j=0 ; needs to be var j = 0 ; )

crazy JavaScript Language. !!