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Google::Chart::Data
Draw a chart with Google Chart

Google::Chart::Data - Draw a chart with Google Chart


NAME

Google::Chart::Data - Draw a chart with Google Chart


SYNOPSIS


    Google::Chart::Data->new;


WARNING

This is a very early alpha release. It is more a proof of concept, but for very simple cases it already works. Documentation and more complete support of the Google Chart API will follow shortly. For now, the code more or less is the documentation. Patches welcome.


DESCRIPTION

This set of classes uses the Google Chart API - see http://code.google.com/apis/chart/ - to draw charts.


METHODS

clear_max_value

    $obj->clear_max_value;

Clears the value.

clear_value_sets

    $obj->clear_value_sets;

Deletes all elements from the array.

count_value_sets

    my $count = $obj->count_value_sets;

Returns the number of elements in the array.

index_value_sets

    my $element   = $obj->index_value_sets(3);

    my @elements  = $obj->index_value_sets(@indices);

    my $array_ref = $obj->index_value_sets(@indices);

Takes a list of indices and returns the elements indicated by those indices. If only one index is given, the corresponding array element is returned. If several indices are given, the result is returned as an array in list context or as an array reference in scalar context.

max_value

    my $value = $obj->max_value;

    $obj->max_value($value);

A basic getter/setter method. If called without an argument, it returns the value. If called with a single argument, it sets the value.

max_value_clear

    $obj->max_value_clear;

Clears the value.

pop_value_sets

    my $value = $obj->pop_value_sets;

Pops the last element off the array, returning it.

push_value_sets

    $obj->push_value_sets(@values);

Pushes elements onto the end of the array.

set_value_sets

    $obj->set_value_sets(1 => $x, 5 => $y);

Takes a list of index/value pairs and for each pair it sets the array element at the indicated index to the indicated value. Returns the number of elements that have been set.

shift_value_sets

    my $value = $obj->shift_value_sets;

Shifts the first element off the array, returning it.

splice_value_sets

    $obj->splice_value_sets(2, 1, $x, $y);

    $obj->splice_value_sets(-1);

    $obj->splice_value_sets(0, -1);

Takes three arguments: An offset, a length and a list.

Removes the elements designated by the offset and the length from the array, and replaces them with the elements of the list, if any. In list context, returns the elements removed from the array. In scalar context, returns the last element removed, or undef if no elements are removed. The array grows or shrinks as necessary. If the offset is negative then it starts that far from the end of the array. If the length is omitted, removes everything from the offset onward. If the length is negative, removes the elements from the offset onward except for -length elements at the end of the array. If both the offset and the length are omitted, removes everything. If the offset is past the end of the array, it issues a warning, and splices at the end of the array.

unshift_value_sets

    $obj->unshift_value_sets(@values);

Unshifts elements onto the beginning of the array.

value_sets

    my @values    = $obj->value_sets;

    my $array_ref = $obj->value_sets;

    $obj->value_sets(@values);

    $obj->value_sets($array_ref);

Get or set the array values. If called without an arguments, it returns the array in list context, or a reference to the array in scalar context. If called with arguments, it expands array references found therein and sets the values.

value_sets_clear

    $obj->value_sets_clear;

Deletes all elements from the array.

value_sets_count

    my $count = $obj->value_sets_count;

Returns the number of elements in the array.

value_sets_index

    my $element   = $obj->value_sets_index(3);

    my @elements  = $obj->value_sets_index(@indices);

    my $array_ref = $obj->value_sets_index(@indices);

Takes a list of indices and returns the elements indicated by those indices. If only one index is given, the corresponding array element is returned. If several indices are given, the result is returned as an array in list context or as an array reference in scalar context.

value_sets_pop

    my $value = $obj->value_sets_pop;

Pops the last element off the array, returning it.

value_sets_push

    $obj->value_sets_push(@values);

Pushes elements onto the end of the array.

value_sets_set

    $obj->value_sets_set(1 => $x, 5 => $y);

Takes a list of index/value pairs and for each pair it sets the array element at the indicated index to the indicated value. Returns the number of elements that have been set.

value_sets_shift

    my $value = $obj->value_sets_shift;

Shifts the first element off the array, returning it.

value_sets_splice

    $obj->value_sets_splice(2, 1, $x, $y);

    $obj->value_sets_splice(-1);

    $obj->value_sets_splice(0, -1);

Takes three arguments: An offset, a length and a list.

Removes the elements designated by the offset and the length from the array, and replaces them with the elements of the list, if any. In list context, returns the elements removed from the array. In scalar context, returns the last element removed, or undef if no elements are removed. The array grows or shrinks as necessary. If the offset is negative then it starts that far from the end of the array. If the length is omitted, removes everything from the offset onward. If the length is negative, removes the elements from the offset onward except for -length elements at the end of the array. If both the offset and the length are omitted, removes everything. If the offset is past the end of the array, it issues a warning, and splices at the end of the array.

value_sets_unshift

    $obj->value_sets_unshift(@values);

Unshifts elements onto the beginning of the array.

Google::Chart::Data inherits from the Google::Chart::Base manpage.

The superclass the Google::Chart::Base manpage defines these methods and functions:


    new(), is_number(), validate()

The superclass the Class::Accessor::Complex manpage defines these methods and functions:


    mk_abstract_accessors(), mk_array_accessors(), mk_boolean_accessors(),

    mk_class_array_accessors(), mk_class_hash_accessors(),

    mk_class_scalar_accessors(), mk_concat_accessors(),

    mk_forward_accessors(), mk_hash_accessors(), mk_integer_accessors(),

    mk_new(), mk_object_accessors(), mk_scalar_accessors(),

    mk_set_accessors(), mk_singleton()

The superclass the Class::Accessor manpage defines these methods and functions:


    _carp(), _croak(), _mk_accessors(), accessor_name_for(),

    best_practice_accessor_name_for(), best_practice_mutator_name_for(),

    follow_best_practice(), get(), make_accessor(), make_ro_accessor(),

    make_wo_accessor(), mk_accessors(), mk_ro_accessors(),

    mk_wo_accessors(), mutator_name_for(), set()

The superclass the Class::Accessor::Installer manpage defines these methods and functions:


    install_accessor()

The superclass the Class::Accessor::Constructor manpage defines these methods and functions:


    _make_constructor(), mk_constructor(), mk_constructor_with_dirty(),

    mk_singleton_constructor()

The superclass the Data::Inherited manpage defines these methods and functions:


    every_hash(), every_list(), flush_every_cache_by_key()

The superclass the Class::Accessor::FactoryTyped manpage defines these methods and functions:


    clear_factory_typed_accessors(), clear_factory_typed_array_accessors(),

    count_factory_typed_accessors(), count_factory_typed_array_accessors(),

    factory_typed_accessors(), factory_typed_accessors_clear(),

    factory_typed_accessors_count(), factory_typed_accessors_index(),

    factory_typed_accessors_pop(), factory_typed_accessors_push(),

    factory_typed_accessors_set(), factory_typed_accessors_shift(),

    factory_typed_accessors_splice(), factory_typed_accessors_unshift(),

    factory_typed_array_accessors(), factory_typed_array_accessors_clear(),

    factory_typed_array_accessors_count(),

    factory_typed_array_accessors_index(),

    factory_typed_array_accessors_pop(),

    factory_typed_array_accessors_push(),

    factory_typed_array_accessors_set(),

    factory_typed_array_accessors_shift(),

    factory_typed_array_accessors_splice(),

    factory_typed_array_accessors_unshift(),

    index_factory_typed_accessors(), index_factory_typed_array_accessors(),

    mk_factory_typed_accessors(), mk_factory_typed_array_accessors(),

    pop_factory_typed_accessors(), pop_factory_typed_array_accessors(),

    push_factory_typed_accessors(), push_factory_typed_array_accessors(),

    set_factory_typed_accessors(), set_factory_typed_array_accessors(),

    shift_factory_typed_accessors(), shift_factory_typed_array_accessors(),

    splice_factory_typed_accessors(),

    splice_factory_typed_array_accessors(),

    unshift_factory_typed_accessors(),

    unshift_factory_typed_array_accessors()

The superclass the Class::Accessor::Constructor::Base manpage defines these methods and functions:


    STORE(), clear_dirty(), clear_hygienic(), clear_unhygienic(),

    contains_hygienic(), contains_unhygienic(), delete_hygienic(),

    delete_unhygienic(), dirty(), dirty_clear(), dirty_set(),

    elements_hygienic(), elements_unhygienic(), hygienic(),

    hygienic_clear(), hygienic_contains(), hygienic_delete(),

    hygienic_elements(), hygienic_insert(), hygienic_is_empty(),

    hygienic_size(), insert_hygienic(), insert_unhygienic(),

    is_empty_hygienic(), is_empty_unhygienic(), set_dirty(),

    size_hygienic(), size_unhygienic(), unhygienic(), unhygienic_clear(),

    unhygienic_contains(), unhygienic_delete(), unhygienic_elements(),

    unhygienic_insert(), unhygienic_is_empty(), unhygienic_size()

The superclass the Tie::StdHash manpage defines these methods and functions:


    CLEAR(), DELETE(), EXISTS(), FETCH(), FIRSTKEY(), NEXTKEY(), SCALAR(),

    TIEHASH()


TAGS

If you talk about this module in blogs, on del.icio.us or anywhere else, please use the googlechart tag.


VERSION




This document describes version 0.02 of L<Google::Chart::Data>.


BUGS AND LIMITATIONS

No bugs have been reported.

Please report any bugs or feature requests to <bug-google-chart@rt.cpan.org>, or through the web interface at http://rt.cpan.org.


INSTALLATION

See perlmodinstall for information and options on installing Perl modules.


AVAILABILITY

The latest version of this module is available from the Comprehensive Perl Archive Network (CPAN). Visit <http://www.perl.com/CPAN/> to find a CPAN site near you. Or see <http://www.perl.com/CPAN/authors/id/M/MA/MARCEL/>.


AUTHOR

Marcel Grünauer, <marcel@cpan.org>


COPYRIGHT AND LICENSE

Copyright 2007 by Marcel Grünauer

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

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