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Add
cms:page_file_link tag to render page files
Examples:
{{ cms:page_file_link header }}
{{ cms:page_file_link attachments, filename: "cat.jpg", as: image }}
Dragging page-level files onto the textarea generates these tags.
See #796 for more information.- Loading branch information
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| # frozen_string_literal: true | ||
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| # A mixin for tags that returns the file as their content. | ||
| module ComfortableMexicanSofa::Content::Tag::FileContent | ||
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| # @param [ActiveStorage::Blob] file | ||
| # @param ["link", "image", "url"] as | ||
| # @param [{String => String}] variant_attrs ImageMagick variant attributes | ||
| # @param [String] label alt text for `as: "image"`, link text for `as: "link"` | ||
| # @return [String] | ||
| def content(file: self.file, as: self.as, variant_attrs: self.variant_attrs, label: self.label) | ||
| return "" unless file | ||
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| if variant_attrs.present? && attachment.image? | ||
| file = file.variant(variant_attrs) | ||
| end | ||
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| url = rails_blob_path(file) | ||
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| case as | ||
| when "link" | ||
| "<a href='#{url}' target='_blank'>#{label}</a>" | ||
| when "image" | ||
| "<img src='#{url}' alt='#{label}'/>" | ||
| else | ||
| url | ||
| end | ||
| end | ||
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| # @param [ActiveStorage::Blob] | ||
| # @return [String] | ||
| def rails_blob_path(blob) | ||
| Rails.application.routes.url_helpers.rails_blob_path(blob, only_path: true) | ||
| end | ||
|
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||
| end |
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80 changes: 80 additions & 0 deletions
80
lib/comfortable_mexican_sofa/content/tags/page_file_link.rb
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| # frozen_string_literal: true | ||
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| require "comfortable_mexican_sofa/content/tags/file_content.rb" | ||
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| # This tag allows you to link page-level files from withing the page. | ||
| # | ||
| # E.g. if your layout has: | ||
| # | ||
| # {{ cms:file graphic }} | ||
| # {{ cms:files attachments }} | ||
| # | ||
| # You can link to the files from an individual page like so: | ||
| # | ||
| # {{ cms:page_file_link graphic }} | ||
| # {{ cms:page_file_link attachments, filename: "cat.jpg" }} | ||
| # | ||
| # `as` - url (default) | link | image - how file gets rendered out | ||
| # `label` - attach label attribute to link or image tag | ||
| # `resize` - imagemagick option. For example: "100x50>" | ||
| # `gravity` - imagemagick option. For example: "center" | ||
| # `crop` - imagemagick option. For example: "100x50+0+0" | ||
| # | ||
| class ComfortableMexicanSofa::Content::Tag::PageFileLink < ComfortableMexicanSofa::Content::Tag | ||
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| include ComfortableMexicanSofa::Content::Tag::FileContent | ||
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| # @return [String] A `cms:file(s)` identifier. | ||
| attr_reader :identifier | ||
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| # @type ["url", "link", "image"] | ||
| attr_reader :as | ||
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| # @type [{String => String}] | ||
| attr_reader :variant_attrs | ||
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| # @return [String] Used to refer to a file in a {{ cms:files }} tag. | ||
| attr_reader :filename | ||
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| # @param (see ComfortableMexicanSofa::Content::Tag#initialize) | ||
| def initialize(context:, params: [], source: nil) | ||
| super | ||
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| options = params.extract_options! | ||
| @identifier = params[0] | ||
| @as = options["as"] || "url" | ||
| @variant_attrs = options.slice("resize", "gravity", "crop") | ||
| @filename = options["filename"] | ||
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| unless @identifier.present? | ||
| raise Error, "Missing identifier for page file link tag" | ||
| end | ||
| end | ||
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| # @return [Comfy::Cms::Fragment] | ||
| def fragment | ||
| @fragment ||= context.fragments.detect { |f| f.identifier == identifier } | ||
| end | ||
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| # @return [ActiveStorage::Blob] | ||
| def file | ||
| @file ||= if fragment.nil? | ||
| nil | ||
| elsif filename.nil? | ||
| fragment.attachments.first | ||
| else | ||
| fragment.attachments.detect { |a| a.filename.to_s == filename } | ||
| end | ||
| end | ||
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| # @return [String] | ||
| def label | ||
| return if file.nil? | ||
| file.filename.to_s | ||
| end | ||
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| end | ||
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| ComfortableMexicanSofa::Content::Renderer.register_tag( | ||
| :page_file_link, ComfortableMexicanSofa::Content::Tag::PageFileLink | ||
| ) |
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