回答編集履歴
5
うーん
answer
CHANGED
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@@ -43,6 +43,7 @@
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43
43
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```ruby
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application_helper.rb
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def file_input_jbuilder(images)
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+
images=Array(images)
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({"initialPreview"=>images.map{|image|image.thumb.url},
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"initialPreviewAsData"=>true,
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"initialPreviewConfig"=>images.map{|image| {"caption"=>image.original_filename,"width"=> '120px',"url"=> url_for({controller: :images,action: :delete,id: image.id}),"key"=> 100}}}).to_json
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4
Test
answer
CHANGED
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@@ -28,16 +28,12 @@
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28
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<%= from_for(@shop) do |f| %>
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<%= f.text_fields :shopname %>
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30
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~
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31
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-
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31
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+
<%= f.fields_for :images_attributes do |image| %>
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32
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-
<%=
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+
<%= image.file_field :file,class: 'file-upload',name: "#{image.object_name}[file]",'data-json'=>file_input_jbuilder(image.object.file) %>
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<%= javascript_tag do %>
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$(".file-upload").fileinput($(this).data('json'));
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<% end %>
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```
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37
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-
fields_for を使うときは
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38
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-
name: "shop[images_attributes][][file]"
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39
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-
を
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-
name: "#{f.object_name}[images_attributes][][file]"
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37
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39
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jbuilderがうまく使えなかったのでto_jsonで妥協
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3
すみません
answer
CHANGED
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@@ -49,7 +49,7 @@
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49
49
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def file_input_jbuilder(images)
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50
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({"initialPreview"=>images.map{|image|image.thumb.url},
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"initialPreviewAsData"=>true,
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52
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-
"initialPreviewConfig"=>
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52
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+
"initialPreviewConfig"=>images.map{|image| {"caption"=>image.original_filename,"width"=> '120px',"url"=> url_for({controller: :images,action: :delete,id: image.id}),"key"=> 100}}}).to_json
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53
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end
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54
54
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```
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55
55
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最後にコントローラのstrong_paramaterを修正
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2
修正
answer
CHANGED
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@@ -49,7 +49,7 @@
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49
49
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def file_input_jbuilder(images)
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50
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({"initialPreview"=>images.map{|image|image.thumb.url},
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51
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"initialPreviewAsData"=>true,
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52
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-
"initialPreviewConfig"=>attachments.map{|image| {"caption"=>image.original_filename,"width"=> '120px',"url"=> url_for{controller: :images,action: :delete,id: image.id},"key"=> 100}}}).to_json
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52
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+
"initialPreviewConfig"=>attachments.map{|image| {"caption"=>image.original_filename,"width"=> '120px',"url"=> url_for({controller: :images,action: :delete,id: image.id}),"key"=> 100}}}).to_json
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53
53
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end
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54
54
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```
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55
55
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最後にコントローラのstrong_paramaterを修正
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1
修正
answer
CHANGED
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@@ -49,7 +49,7 @@
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49
49
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def file_input_jbuilder(images)
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50
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({"initialPreview"=>images.map{|image|image.thumb.url},
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51
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"initialPreviewAsData"=>true,
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52
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-
"initialPreviewConfig"=>attachments.map{|image| {"caption"=>image.original_filename,"width"=> '120px',"url"=> url_for{controller: :
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52
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+
"initialPreviewConfig"=>attachments.map{|image| {"caption"=>image.original_filename,"width"=> '120px',"url"=> url_for{controller: :images,action: :delete,id: image.id},"key"=> 100}}}).to_json
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end
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```
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55
55
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最後にコントローラのstrong_paramaterを修正
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