Class: XfOOrth::ColumnizedPage
- Defined in:
- lib/fOOrth/library/formatting/columns.rb
Overview
A class to display data in columns.
Instance Method Summary collapse
-
#add(raw_item) ⇒ Object
Add an item to this page.
-
#initialize(page_length, page_width) ⇒ ColumnizedPage
constructor
Prepare a blank page.
-
#render ⇒ Object
Render the page as an array of strings.
Constructor Details
#initialize(page_length, page_width) ⇒ ColumnizedPage
Prepare a blank page.
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# File 'lib/fOOrth/library/formatting/columns.rb', line 9 def initialize(page_length, page_width) @page_length, @page_width = page_length, page_width @page_data = [] end |
Instance Method Details
#add(raw_item) ⇒ Object
Add an item to this page.
Returns
-
The number if items that did not fit in the page.
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# File 'lib/fOOrth/library/formatting/columns.rb', line 17 def add(raw_item) item = raw_item.to_s fail "Item too large to fit." unless item.length < @page_width if (slot = find_next_column) @page_data[slot] << item else @page_data << [item] end adjust_configuration end |
#render ⇒ Object
Render the page as an array of strings.
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# File 'lib/fOOrth/library/formatting/columns.rb', line 31 def render results = [] widths = @page_data.map {|column| column.foorth_column_width} (0...rows).each do |column_index| results << @page_data.each_with_index.map do |column, index| column[column_index].to_s.ljust(widths[index]) end.join(" ").freeze end @page_data = [] results end |