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HTML::TagCloud(3pm) User Contributed Perl Documentation HTML::TagCloud(3pm)
NAME
HTML::TagCloud - Generate An HTML Tag Cloud
SYNOPSIS
# A cloud with tags that link to other web pages.
my $cloud = HTML::TagCloud->new;
$cloud->add($tag1, $url1, $count1);
$cloud->add($tag2, $url2, $count2);
$cloud->add($tag3, $url3, $count3);
my $html = $cloud->html_and_css(50);
# A cloud with tags that do not link to other web pages.
my $cloud = HTML::TagCloud->new;
$cloud->add_static($tag1, $count1);
$cloud->add_static($tag2, $count2);
$cloud->add_static($tag3, $count3);
my $html = $cloud->html_and_css(50);
# A cloud that is comprised of tags in multiple categories.
my $cloud = HTML::TagCloud->new;
$cloud->add($tag1, $url1, $count1, $category1);
$cloud->add($tag2, $url2, $count2, $category2);
$cloud->add($tag3, $url3, $count3, $category3);
my $html = $cloud->html_and_css(50);
# The same cloud without tags that link to other web pages.
my $cloud = HTML::TagCloud->new;
$cloud->add_static($tag1, $count1, $category1);
$cloud->add_static($tag2, $count2, $category2);
$cloud->add_static($tag3, $count3, $category3);
my $html = $cloud->html_and_css(50);
# Obtaining uncategorized HTML for a categorized tag cloud.
my $html = $cloud->html_without_categories();
# Explicitly requesting categorized HTML.
my $html = $cloud->html_with_categories();
DESCRIPTION
The HTML::TagCloud module enables you to generate "tag clouds" in HTML. Tag clouds serve
as a textual way to visualize terms and topics that are used most frequently. The tags are
sorted alphabetically and a larger font is used to indicate more frequent term usage.
Example sites with tag clouds: <http://www.43things.com/>,
<http://www.astray.com/recipes/> and <http://www.flickr.com/photos/tags/>.
This module provides a simple interface to generating a CSS-based HTML tag cloud. You
simply pass in a set of tags, their URL and their count. This module outputs stylesheet-
based HTML. You may use the included CSS or use your own.
CONSTRUCTOR
new
The constructor takes a few optional arguments:
my $cloud = HTML::TagCloud->new(levels=>10);
if not provided, levels defaults to 24
my $cloud = HTML::TagCloud->new(distinguish_adjacent_tags=>1);
If distinguish_adjacent_tags is true HTML::TagCloud will use different CSS classes for
adjacent tags in order to be able to make it easier to distinguish adjacent multi-word
tags. If not specified, this parameter defaults to a false value.
my $cloud = HTML::TagCloud->new(categories=>\@categories);
If categories are provided then tags are grouped in separate divisions by category when
the HTML fragment is generated.
METHODS
add
This module adds a tag into the cloud. You pass in the tag name, its URL and its count:
$cloud->add($tag1, $url1, $count1);
$cloud->add($tag2, $url2, $count2);
$cloud->add($tag3, $url3, $count3);
add_static
This module adds a tag that does not link to another web page into the cloud. You pass in
the tag name and its count:
$cloud->add_static($tag1, $count1);
$cloud->add_static($tag2, $count2);
tags($limit)
Returns a list of hashrefs representing each tag in the cloud, sorted by alphabet. Each
tag has the following keys: name, count, url and level.
css
This returns the CSS that will format the HTML returned by the html() method with tags
which have a high count as larger:
my $css = $cloud->css;
html($limit)
This returns the tag cloud as HTML without the embedded CSS (you should use both css() and
html() or simply the html_and_css() method). If any categories were specified when items
were being placed in the cloud then the tags will be organized into divisions by category
name. If a limit is provided, only the top $limit tags are in the cloud, otherwise all
the tags are in the cloud:
my $html = $cloud->html(200);
html_with_categories($limit)
This returns the tag cloud as HTML without the embedded CSS. The tags will be arranged
into divisions by category. If a limit is provided, only the top $limit tags are in the
cloud. Otherwise, all tags are in the cloud.
html_without_categories($limit)
This returns the tag cloud as HTML without the embedded CSS. The tags will not be grouped
by category if this method is used to generate the HTML.
html_and_css($limit)
This returns the tag cloud as HTML with embedded CSS. If a limit is provided, only the top
$limit tags are in the cloud, otherwise all the tags are in the cloud:
my $html_and_css = $cloud->html_and_css(50);
AUTHOR
Leon Brocard, "<acme AT astray.com>".
COPYRIGHT
Copyright (C) 2005-6, Leon Brocard
This module is free software; you can redistribute it or modify it under the same terms as
Perl itself.
perl v5.20.2 2015-05-31 HTML::TagCloud(3pm)
Generated by $Id: phpMan.php,v 4.55 2007/09/05 04:42:51 chedong Exp $ Author: Che Dong
On Apache
Under GNU General Public License
2024-04-24 18:30 @18.117.182.179 CrawledBy Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)