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Thinreports Generator

Gem Version Test

A Ruby library for Thinreports.

Prerequisites

Supported Versions

  • Ruby 3.0, 3.1, 3.2, 3.3
  • Prawn 2.4+

Installation

Add this line to your application's Gemfile:

gem 'thinreports'

And then execute:

$ bundle install

Or install it yourself as:

$ gem install thinreports

Getting Started

First of all, check out the README for an overview of Thinreports, its features, the two template formats available, and a complete example with template files and Ruby code.

Usage

See the README for usage of the Section Format.

Basic Format

The template file (.tlf) must be created in the Thinreports Basic Editor.

require 'thinreports'

report = Thinreports::Report.new layout: 'report.tlf'

report.start_new_page do
  item(:title).value('Thinreports')
end

report.start_new_page do |page|
  # Item Finder
  page.item(:item_id) # => Item object
  page[:item_id]      # => Item object

  # Text block
  page.item(:text_block).value('Pure Ruby')
  page.item(:text_block).value = 'Pure Ruby'
  page[:text_block] = 'Pure Ruby'
  page.item('text_block').set('value', color: '#0000ff')
  page.item(:text_block).format_enabled(false)

  # Image block
  page.item(:image_block).src('/path/to/image.png')
  page.item(:image_block).src = '/path/to/image.png'
  page[:image_block] = '/path/to/image.png'
  require 'open-uri'
  page.item(:image_block).src(open('http://www.thinreports.org/assets/logos/thinreports-logo.png'))

  # Attributes
  page.item(:any).hide
  page.item(:any).show
  page.item(:any).visible(true)
  page.item(:any).visible? # => true
  page.item(:any).id # => "any"

  # Styles
  page.item(:text).style(:color, 'red')
  page.item(:text).style(:bold, true)
  page.item(:text).style(:italic, true)
  page.item(:text).style(:linethrough, true)
  page.item(:text).style(:underline, true)
  page.item(:text).style(:font_size, 20)

  page.item(:text).style(:align, :left or :center or :right)
  page.item(:text).style(:valign, :top or :center or :bottom)

  page.item(:rectangle).style(:border_color, '#ff0000')
                       .style(:border_width, 1)
                       .style(:fill_color, '#ffffff')

  # Bulk setting of styles
  page.item(:text).styles(color: '#00000', align: :right)

  # Bulk setting of values
  page.values text_block_a: 'value', text_block_b: 'value'

  # Helpers
  page.item_exists?(:existing_id)  # => true
  page.item_exists?('existing_id') # => true
  page.item_exists?(:unknown_id)   # => false
end

report.generate(filename: 'report.pdf')
Thinreports::Report.generate(filename: 'report.pdf', layout: 'report.tlf') do |report|
  report.start_new_page do |page|
    # :
  end
end

Report and Page

report = Thinreports::Report.new layout: 'foo.tlf'

3.times { report.start_new_page }

# Returns all pages
report.pages # => [<Report::Page>, <Report::Page>, <Report::Page>]
# Returns number of pages
report.page_count # => 3

# Add a blank page
report.add_blank_page

report.pages.last # => Report::BlankPage

Using multiple layouts

report = Thinreports::Report.new

report.use_layout '/path/to/default.tlf', default: true
report.use_layout '/path/to/other1.tlf', id: :other

report.start_new_page do |page|
  # use '/path/to/default.tlf' layout
end

report.start_new_page layout: :other do |page|
  # use '/path/to/other1.tlf' layout
end

report.start_new_page layout: '/path/to/other2.tlf' do |page|
  # use '/path/to/other2.tlf' layout
end

Callbacks

report = Thinreports::Report.new layout: 'foo.tlf'

# It will be called before finalizing each page
report.on_page_create do |page|
  page.item(:text).value('Text for all pages')
end

See also basic_report/features/report_callbacks.

List

report = Thinreports::Report.new layout: 'list.tlf'

report.list.header do |header|
  header.item(:text_block).value('Title')
end

10.times do |n|
  report.list.add_row do |row|
    row.item(:text_block).value(n)
  end
end

report.generate(filename: 'list.pdf')
report = Thinreports::Report.new layout: 'list_with_footer.tlf'

report.list do |list|
  total_price = 0
  price_per_page = 0

  list.on_page_finalize do
    total_price += price_per_page
    price_per_page = 0
  end

  list.on_page_footer_insert do |footer|
    footer.values price: price_per_page
  end

  list.on_footer_insert do |footer|
    footer.item(:price).value(total_price)
  end

  [100, 200, 300].each do |price|
    list.add_row do |row|
      row[:price] = price
    end
    price_per_page += price
  end
end

See also basic_report/features/list_events.

Page Number

# Setting starting number of page
report.start_page_number_from 5

# Setting whether to count new page
report.start_new_page count: true # default
report.start_new_page count: false

# Change styles
report.start_new_page do |page|
  page.item(:pageno).hide
  page.item(:pageno).show
  page.item(:pageno).visible(false)
  page.item(:pageno).styles(color: 'red', bold: true)
end

See also basic_report/features/page_number and basic_report/features/page_number_with_list.

Configuring fallback fonts

Thinreports.configure do |config|
  config.fallback_fonts = '/path/to/fallback.ttf'
end

Thinreports.config.fallback_fonts = ['/path/to/font_a.ttf', '/path/to/font_b.ttf']

See also basic_report/features/eudc.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/thinreports/thinreports-generator. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the code of conduct.

Development

Feature test requires diff-pdf command

In order to run feature test, you need to install diff-pdf in your environment, or you can run test in the docker container as below.

How to develop in Docker container

You can use the Docker container for development. This container contains the libraries required for testing, such as diff-pdf.

$ docker pull ghcr.io/hidakatsuya/ruby-with-diff-pdf:latest
$ docker run -v $PWD:/src:cached -it ghcr.io/hidakatsuya/ruby-with-diff-pdf bash

> /src#

You can run test:

> /src# bundle install
> /src# bundle exec rake test

Releasing Generator

  1. Update the version number in version.rb
  2. Update CHANGELOG.md and README.md (if needed)
  3. Create the Release PR like #105
  4. Merge the PR
  5. Is the main CI green? If not, make it green
  6. Run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org

License

The gem is available as open source under the terms of the MIT License.

Copyright

(c) 2021 Matsukei Co.,Ltd.