Links mod

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Gossamer-Threads - Links 2.0 mod

Live Search Mod - with SSI and Javascript - for templates.

This modification allows you to build a live search like the "Live Search" by www.fireball.de.
It displays the last X search terms with a Javascript ticker on a .shtml page.

You can find a demo here. Instructions in a text file: follow this.

Download a .zip file with all Live Search files: here.

Step 1.1:

File: search.cgi

In search.cgi find the following:

code:


# Word is too common, don't try and sort it, can cause problems.    
    if (($numhits > 50) and (($grand_total * 0.75) < $numhits)) {
        return "Search term is too common.";
    }

and add the following under it:

code:


&livesearch;

Step 1.2:

File: search.cgi

In search.cgi add the following sub at the end of the file:

code:

sub livesearch {

# ================================================
# Live Search Mod Extension by Delpierro
#
# Author: DelPierro
# Mail:   delpierro@fussballsuche.de
# Web:    www.simball.de/links_mods/
#
# This script (modification) is freeware.
#
# This script is a modification, extension for
# Links 2.0 Links Manager by Gossamer Threads Inc.
# Web: http://www.gossamer-threads.com/
# Note: The Links 2.0 script is not freeware!
# ================================================

# Required Librariers:
# Change this to full path to links.cfg if you have problems.
require "admin/links.cfg";

# data file with links.cfg require
$datafile = "$db_script_path/data/livesearch.txt";

# use flock with links.cfg require
$useflock = "$db_use_flock";

$searchterm = "$in{'query'}";

# Get the settings from the data file.
if(-e $datafile) {
	open (DATA, "$datafile");
	if ($useflock == 1) { flock (DATA, 2); }
	@data = <DATA>;
	if ($useflock == 1) { flock (DATA, 8); }
	close(DATA);
}
else {
	print "<p>Error: no data file found.\n";
	exit;
}

$lines = 0;
foreach $line(@data) {
chomp($line);
$line =~ s/["'!;.,#*+~]+//g;
$lines++;
}

if ($lines < $maxterms) {
	# Add search term to data file
	open (ADDUSER, ">>$datafile") or &cgierr("<p>Error: cannot open user data file\n");
		if ($useflock == 1) { flock (ADDUSER, 2); }
		print ADDUSER "$searchterm\n";
		if ($useflock == 1) { flock (ADDUSER, 8); }
	close (ADDUSER);
}

else {
	shift @data;
	$searchterm =~ s/["'!;.,#*+~]+//g;
	push @data, "$searchterm";
	$scalar = 0;
	for ($x = 0; $x <= $maxterms; $x++ ) {
		if ($x < $maxterms) {
			$out .= "@data[$scalar]\n";
		}
		else {
			$out .= "@data[$scalar]";
		}
	$scalar++;
	}
	# Add search term to data file
	open (ADDUSER, ">$datafile") or &cgierr("<p>Error: cannot open user data file\n");
		if ($useflock == 1) { flock (ADDUSER, 2); }
		print ADDUSER "$out";
		if ($useflock == 1) { flock (ADDUSER, 8); }
	close (ADDUSER);
}

}

Step 2:

File: jslivesearch.pl

The jslivesearch.pl.txt file: Rename it to jslivesearch.pl and upload it to the directory where your other Links 2.0 CGI files like add.cgi, search.cgi, ... are stored. CHMOD it to Read & Execute for all three columns.

Step 3.1:

File: livesearch.shtml

The livesearch.shtml.txt file: Remane it to livesearch.shtml.
Change the following code in the Javascript in the <Head> of the document:

code:


http://www.YOURDOMAIN.com/cgi-bin/jslivesearch.pl

to the URL of the jslivesearch.pl file.

And change:

code:


http://www.YOURDOMAIN.com/cgi-bin/search.cgi

to the URL of your search.cgi file.

Upload it to directory where .shtml files could be run.

Step 3.2:

File: home.shtml

Or put following code in the <Head> of your home.shtml template, if you want to display the Live Search on your Links 2.0 homepage.

code:

Perhaps change the URL (YOURDOMAIN) to the URL of the jslivesearch.pl file and add a "<" in front and a ">" at the end of the following:

code:


!--#include virtual="http://www.YOURDOMAIN.com/cgi-bin/jslivesearch.pl"--

In the <Body> tag of the document add the following:

code:


onload="scroll();"

In the <Body> of your home.shtml template add the following form:

code:


<form name="search" action="http://www.YOURDOMAIN.com/cgi-bin/search.cgi" method="GET">
	Live Search:<br>
	<textarea name="query" rows="2" cols="20" wrap="virtual">
	</textarea><br>
	<input type="submit" value="Search">
</form>

Perhaps change the URL (YOURDOMAIN) to the URL of your search.cgi file.
Upload this file and rebuild your Links 2.0 pages.

Step 4:

File: livesearch.txt

Upload the livesearch.txt (an empty .txt file called livesearch.txt) data file to your Links 2.0 data directory and CHMOD it 666 = Read & Write for all three columns.

Step 5:

File: links.cfg

In your links.cfg file find:

code:


# Database Options

And add following above it:

code:


# Live Search option - display maximum number of search terms
$maxterms = "5";

In this example the last 5 search terms would be displayed.
Upload your Links 2.0 links.cfg file.

That's it. Enjoy it. For installation of modifications please visit the webservices.

Problems with installing or questions, visit the Gossamer-Threads Support Forum.

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