Class: Eiwaji::DictionaryTableModel

Inherits:
Qt::AbstractTableModel
  • Object
show all
Defined in:
lib/dictionary_model.rb

Instance Method Summary collapse

Constructor Details

#initialize(parent, entries, lemma) ⇒ DictionaryTableModel

Returns a new instance of DictionaryTableModel.



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# File 'lib/dictionary_model.rb', line 3

def initialize(parent, entries, lemma)
  super(parent)
  @white = Text::WhiteSimilarity.new
  @entries = entries
  @lemma = lemma
  calcSimilarityForAll
end

Instance Method Details

#calcSimilarity(word) ⇒ Object 



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# File 'lib/dictionary_model.rb', line 98

def calcSimilarity(word)
  w = word.force_encoding("UTF-8")
  sim = @white.similarity(@lemma, w) 
  if sim.nan?
    sim = (@lemma == w ? 1.0 : 0.0)
  end
  sim
end

#calcSimilarityForAll ⇒ Object 



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# File 'lib/dictionary_model.rb', line 11

def calcSimilarityForAll
  @sim = Array.new(@entries.size)
  @entries.each_with_index do |entry, i|
    similarity = 0.0
    # if there are multiple kana/kanji readings, get the highest similarity out of each
    unless entry.kana.nil?
      if entry.kana.kind_of?(Array)
        similarity += entry.kana.inject(0.0) do |max, k|
          sim = calcSimilarity(k)
          [max, sim].max
        end
      else
        similarity += calcSimilarity(entry.kana)
      end
    end

    unless entry.kanji.nil?
      if entry.kanji.kind_of?(Array)
        similarity += entry.kanji.inject(0.0) do |max, k|
          sim = calcSimilarity(k)
          [max, sim].max
        end
      else
        similarity += calcSimilarity(entry.kanji)
      end
    end
    @sim[i] = similarity
  end
end

#columnCount(parent) ⇒ Object 



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# File 'lib/dictionary_model.rb', line 41

def columnCount(parent)
  4
end

#data(index, role = Qt::DisplayRole) ⇒ Object 



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# File 'lib/dictionary_model.rb', line 57

def data(index, role=Qt::DisplayRole)
  invalid = Qt::Variant.new
  return invalid unless role == Qt::DisplayRole
  return invalid if @entries.empty?
  return invalid if @entries.size <= index.row
  return invalid unless index.isValid
  entry = @entries[index.row]

  v = case index.column
      when 0 # kanji
        if not entry.kanji.empty?
          if entry.kanji.kind_of?(Array)
            entry.kanji.map {|k| k.force_encoding("UTF-8") }.join(', ')
          else
            entry.kanji.force_encoding("UTF-8")
          end
        end
      when 1 # kana
        entry.kana.map {|k| k.force_encoding("UTF-8") }.join(', ') unless entry.kana.nil?
      when 2 # sense
        if entry.senses.size > 1
          sense = entry.senses.map.with_index(1) do |s, i|
            pos = s.parts_of_speech.nil? ? "" : "(" + s.parts_of_speech.join(", ") + ") "
            glosses = s.glosses.join(", ")
            pos + glosses
          end
          sense.reverse.join(" \n ")
        else
          s = entry.senses.first
          pos = s.parts_of_speech.nil? ? "" : "(" + s.parts_of_speech.join(", ") + ") "
          glosses = s.glosses.join(", ")
          pos + glosses
        end
      when 3 # similarity
        @sim[index.row]
      else 
        raise "invalid column #{index.column}"
      end || ""
  return Qt::Variant.new(v)
end

#flags(index) ⇒ Object 



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# File 'lib/dictionary_model.rb', line 53

def flags(index)
  Qt::ItemIsSelectable | Qt::ItemIsEnabled
end

#headerData(section, orientation, role = Qt::DisplayRole) ⇒ Object 



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# File 'lib/dictionary_model.rb', line 107

def headerData(section, orientation, role=Qt::DisplayRole)
  return Qt::Variant.new if role != Qt::DisplayRole
  v = case orientation
      when Qt::Horizontal
        ["Kanji","Kana","Meaning","Similarity"][section]
      else
        section.to_s
      end
  return Qt::Variant.new(v)
end

#rowCount(parent) ⇒ Object 



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# File 'lib/dictionary_model.rb', line 45

def rowCount(parent)
  if parent.valid?
    return 0
  else
    return @entries.size
  end
end