Class: Wice::GridOutputBuffer

Inherits:
String
  • Object
show all
Defined in:
lib/wice/grid_output_buffer.rb

Overview

:nodoc:

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*attrs) ⇒ GridOutputBuffer

initializes a grid output buffer



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# File 'lib/wice/grid_output_buffer.rb', line 11

def initialize(*attrs)
  super(*attrs)
  @filters = HashWithIndifferentAccess.new
end

Instance Attribute Details

#return_empty_strings_for_nonexistent_filters ⇒ Object

defines behavior for rendering nonexistent filters. If return_empty_strings_for_nonexistent_filters is true, a call to render a non existent filter will raise an exception If return_empty_strings_for_nonexistent_filters is false (CSV mode), no exception will be raised.



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# File 'lib/wice/grid_output_buffer.rb', line 8

def return_empty_strings_for_nonexistent_filters
  @return_empty_strings_for_nonexistent_filters
end

Instance Method Details

#add_filter(detach_with_id, filter_code) ⇒ Object

stores HTML code for a detached filter



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# File 'lib/wice/grid_output_buffer.rb', line 22

def add_filter(detach_with_id, filter_code)
  fail WiceGridException.new("Detached ID #{detach_with_id} is already used!") if @filters.key? detach_with_id
  @filters[detach_with_id] = filter_code
end

#filter_for(detach_with_id) ⇒ Object Also known as: []

returns HTML code for a detached filter



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# File 'lib/wice/grid_output_buffer.rb', line 28

def filter_for(detach_with_id)
  unless @filters.key? detach_with_id
    if @return_empty_strings_for_nonexistent_filters
      return ''
    else
      fail WiceGridException.new("No filter with Detached ID '#{detach_with_id}'!")
    end
  end

  unless @filters[detach_with_id]
    fail WiceGridException.new("Filter with Detached ID '#{detach_with_id}' has already been requested once! There cannot be two instances of the same filter on one page")
  end

  res = @filters[detach_with_id]
  @filters[detach_with_id] = false
  res
end

#to_s ⇒ Object

returns HTML code the grid



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# File 'lib/wice/grid_output_buffer.rb', line 17

def to_s
  super.html_safe
end