Initial commit

README.md

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+# Administrate::Field::Color
+
+A plugin to handle colors in [Administrate].
+
+[Administrate]: https://github.com/thoughtbot/administrate

administrate-field-markdown.gemspec

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+$:.push File.expand_path("../lib", __FILE__)
+
+require "administrate/field/markdown"
+
+Gem::Specification.new do |gem|
+  gem.name = "administrate-field-markdown"
+  gem.version = Administrate::Field::Markdown::VERSION
+  gem.authors = ["Dan Barber"]
+  gem.email = ["hello@danbarber.me"]
+  gem.homepage = "https://github.com/danbee/administrate_field_markdown"
+  gem.summary = "Markdown field plugin for Administrate"
+  gem.description = gem.summary
+  gem.license = "MIT"
+
+  gem.require_paths = ["lib"]
+  gem.files = `git ls-files`.split("\n")
+  gem.test_files = `git ls-files -- {test,spec,features}/*`.split("\n")
+
+  gem.add_dependency "administrate", ">= 0.2.0.rc1", "< 0.3.0"
+  gem.add_dependency "rails", "~> 4.2"
+  gem.add_dependency "kramdown", "~> 1.10"
+end

app/views/fields/markdown/_form.html.erb

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+<div class="field-unit__label">
+  <%= f.label field.attribute %>
+</div>
+<div class="field-unit__field">
+  <%= f.text_area field.attribute %>
+</div>

app/views/fields/markdown/_index.html.erb

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+<%= field.truncate %>

app/views/fields/markdown/_show.html.erb

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+<%= field.rendered.html_safe %>

lib/administrate/field/markdown.rb

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+require "administrate/field/base"
+require "rails"
+require "kramdown"
+
+module Administrate
+  module Field
+    class Markdown < Administrate::Field::Base
+      VERSION = "0.0.1"
+
+      class Engine < ::Rails::Engine
+      end
+
+      def rendered
+        Kramdown::Document.new(data).to_html
+      end
+
+      def truncate
+        data.to_s[0...truncation_length]
+      end
+
+      private
+
+      def truncation_length
+        options.fetch(:truncate, 50)
+      end
+    end
+  end
+end

spec/lib/administrate/field/markdown_spec.rb

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+require "administrate/field/markdown"
+
+describe Administrate::Field::Markdown do
+  describe "#rendered" do
+    it "renders markdown to HTML" do
+      markdown = "This is some markdown to render"
+
+      page = :show
+      field = Administrate::Field::Markdown.new(:markdown, markdown, page)
+
+      expect(field.rendered).to eq("<p>This is some markdown to render</p>\n")
+    end
+  end
+
+  describe "#to_partial_path" do
+    it "returns a partial based on the page being rendered" do
+      page = :show
+      field = Administrate::Field::Markdown.new(:markdown, "", page)
+
+      path = field.to_partial_path
+
+      expect(path).to eq("/fields/markdown/#{page}")
+    end
+  end
+end