37a4fc6dd1
Some browsers (in particular Safari on iOS) don't support picture yet but do support srcset on the img tag.
36 lines
1.4 KiB
Ruby
36 lines
1.4 KiB
Ruby
module UserRolesHelper
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def role_icons(user)
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UserRole::ALL_ROLES.reduce("".html_safe) { |a, e| a + " " + role_icon(user, e) }
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end
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def role_icon(user, role)
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if @user && @user.administrator?
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if user.has_role?(role)
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image = "roles/#{role}"
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alt = t("user.view.role.revoke.#{role}")
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title = t("user.view.role.revoke.#{role}")
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url = revoke_role_path(:display_name => user.display_name, :role => role)
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confirm = t("user_role.revoke.are_you_sure", :name => user.display_name, :role => role)
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else
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image = "roles/blank_#{role}"
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alt = t("user.view.role.grant.#{role}")
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title = t("user.view.role.grant.#{role}")
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url = grant_role_path(:display_name => user.display_name, :role => role)
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confirm = t("user_role.grant.are_you_sure", :name => user.display_name, :role => role)
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end
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elsif user.has_role?(role)
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image = "roles/#{role}"
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alt = t("user.view.role.#{role}")
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title = t("user.view.role.#{role}")
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end
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if image
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svg_icon = tag("source", :srcset => image_path("#{image}.svg"), :type => "image/svg+xml")
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png_icon = image_tag("#{image}.png", :srcset => image_path("#{image}.svg"), :size => "20x20", :border => 0, :alt => alt, :title => title)
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icon = content_tag("picture", svg_icon + png_icon)
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icon = link_to(icon, url, :method => :post, :confirm => confirm) if url
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end
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icon
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end
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end
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