Split the draggable div generating code from Views#draggables ; added the Draggable controller.
This commit is contained in:
Paul van Tilburg
parent
3bb1185267
commit
0dfe4b52f2
1 changed files with 72 additions and 49 deletions
121
plemp.rb
121
plemp.rb
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@ -106,6 +106,27 @@ module Plemp::Controllers
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end
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end
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# = The draggable controller
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#
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# Controller that provides direct access to the HTML generating code
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# for draggable objects.
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#
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# path:: /draggable/<id>
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# view:: views#Draggable
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class DraggableX
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# Retrieves the draggable with the given _id_ from the database and
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# returns the HTML.
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def get(id)
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@drag = Draggable.find_by_file(id)
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if @drag.nil?
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@status = "404"
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return "Error 404: Unknown draggable ID: #{id}"
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end
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# Call draggable from the views, but do not wrap the layout.
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mab(false) { draggable }
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end
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end
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# = The position save controller
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#
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# Controller used through AJAX request by the main page for committing
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@ -251,58 +272,60 @@ module Plemp::Views
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end
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end
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# The canvas with draggables. Creates a draggable HTML element including
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# the actually contents of the associated file per Draggable object in
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# the database.
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# The canvas with draggables repsenting the objects in the database.
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def draggables
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div.draggables! do
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@draggables.each do |d|
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file = UPLOAD_DIR + d.file
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unless file.exist?
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# The associated file of this Draggable object is gone, remove
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# the object from the database too.
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d.destroy
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next
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end
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# Determine the MIME type.
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file_type = `file --brief --mime-type #{file}`.chomp
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mime_type = MIME::Types[file_type].first
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if mime_type.nil?
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mime_type = MIME::Type.new(file_type)
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end
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# Create an HTML element based on the type of the Draggable object.
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default_style = "left:#{d.left}px;top:#{d.top}px;z-index:0;display:none"
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case mime_type.media_type
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when "image"
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img.draggable :id => d.file, :style => default_style,
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:src => R(StaticXX, "upload", file.basename),
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:alt => file.basename
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when "video"
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# HTML5 is not supported by Markaby!
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self << \
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" <video class=\"draggable\" id=\"#{d.file}\" " +
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"style=\"#{default_style}\" " +
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"src=\"#{R(StaticXX, "upload", d.file)}\" " +
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"controls=\"true\">" + "</video>\n"
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when "audio"
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# HTML5 is not supported by Markaby!
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self <<
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" <audio class=\"draggable\" id=\"#{d.file}\" " +
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"style=\"#{default_style};height=80px;\" " +
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"src=\"#{R(StaticXX, "upload", d.file)}\" " +
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"controls=\"true\">" + "</audio>\n"
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when "text"
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div.draggable :id => d.file, :style => default_style do
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CodeRay.scan_file(file).div(:tab_width => 2,
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:line_numbers => :inline)
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end
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else
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span.draggable :id => d.file, :style => default_style do
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em "#{d.file}: Unsupported file type!"
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end
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end # case
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end
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@draggables.each { |d| @drag = d; draggable }
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end
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end # def draggables
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# Creates a draggable HTML (block) element including the actually
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# contents of the associated file for Draggbale object _d_.
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def draggable
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file = UPLOAD_DIR + @drag.file
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unless file.exist?
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# The associated file of this Draggable object is gone, remove
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# the object from the database too.
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@drag.destroy
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return ""
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end
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# Determine the MIME type.
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file_type = `file --brief --mime-type #{file}`.chomp
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mime_type = MIME::Types[file_type].first
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if mime_type.nil?
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mime_type = MIME::Type.new(file_type)
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end
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# Create an HTML element based on the type of the Draggable object.
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default_style = "left:#{@drag.left}px;top:#{@drag.top}px;z-index:0;display:none"
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case mime_type.media_type
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when "image"
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img.draggable :id => @drag.file, :style => default_style,
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:src => R(StaticXX, "upload", file.basename),
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:alt => file.basename
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when "video"
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# HTML5 is not supported by Markaby!
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self << \
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" <video class=\"draggable\" id=\"#{@drag.file}\" " +
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"style=\"#{default_style}\" " +
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"src=\"#{R(StaticXX, "upload", @drag.file)}\" " +
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"controls=\"true\">" + "</video>\n"
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when "audio"
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# HTML5 is not supported by Markaby!
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self <<
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" <audio class=\"draggable\" id=\"#{@drag.file}\" " +
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"style=\"#{default_style};height=80px;\" " +
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"src=\"#{R(StaticXX, "upload", @drag.file)}\" " +
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"controls=\"true\">" + "</audio>\n"
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when "text"
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div.draggable :id => @drag.file, :style => default_style do
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CodeRay.scan_file(file).div(:tab_width => 2,
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:line_numbers => :inline)
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end
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else
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span.draggable :id => @drag.file, :style => default_style do
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em "#{@drag.file}: Unsupported file type!"
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end
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end # case
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end # def draggable
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end # module Plemp::Views
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