Class: QDA::GUI::CompositeText

Inherits:
HighlightingTextCtrl show all
Includes:
FindableText
Defined in:
lib/weft/wxgui/controls/textcontrols.rb

Overview

a text display that is made up of text fragments from multiple documents. It keeps track of which fragment is found at which point, so that when passages are marked they are routed back to the source document.

Defined Under Namespace

Classes: TextTable

Constant Summary collapse

HEADER_STYLE = 
Wx::TextAttr.new(Wx::RED)
NORMAL_STYLE = 
Wx::TextAttr.new(Wx::BLACK)

Constants included from HighlightingTextCtrl::TextColourHighlighter

HighlightingTextCtrl::TextColourHighlighter::HIGHLIGHTED_STYLE

Constants inherited from TrueSelectionTextCtrl

TrueSelectionTextCtrl::NEWLINE_CORRECTION_FACTOR

Instance Method Summary collapse

Methods included from FindableText

#get_subject, #on_find, #on_find_close, #searching_down?, #searching_up?, #start_find

Methods included from HighlightingTextCtrl::TextColourHighlighter

#clear, #highlight, #unhighlight

Methods included from HighlightingTextCtrl::NullHighlighter

#highlight, #unhighlight

Methods inherited from TrueSelectionTextCtrl

#save_position, #true_index_to_pos, #true_insertion_point, #true_point, #true_selection

Constructor Details

#initialize(parent, text, offset, app) ⇒ CompositeText

Returns a new instance of CompositeText.



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# File 'lib/weft/wxgui/controls/textcontrols.rb', line 388

def initialize(parent, text, offset, app)
  @saved_styles = Hash.new()
  super(parent, -1, text, Wx::DEFAULT_POSITION, Wx::DEFAULT_SIZE, 
         Wx::TE_MULTILINE|Wx::TE_READONLY|Wx::TE_RICH|Wx::TE_NOHIDESEL)
  @app = app
  evt_enter_window do | e |
    set_cursor Wx::Cursor.new(Wx::CURSOR_IBEAM)
  end
  set_font( @app.display_font )
end

Instance Method Details

#highlight_codingtable(codingtable) ⇒ Object

highlights the coded vectors or fragments



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# File 'lib/weft/wxgui/controls/textcontrols.rb', line 458

def highlight_codingtable(codingtable)
  return unless @fragments
  areas = @fragments.to_codingtable.join(codingtable)
  save_position do
    unhighlight()
    areas.each do | docid, codes  |
      codes.each do | code |
        translated = @table.translate(docid, code.offset)
        next if translated.nil?
        highlight(translated, translated + code.length)
      end
    end
  end
end

#jump_to_fragment(evt) ⇒ Object 



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# File 'lib/weft/wxgui/controls/textcontrols.rb', line 442

def jump_to_fragment(evt)
  frag, offset = *@table.fetch(true_insertion_point)
  # if we've clicked on a text bit
  return unless frag
  @app.on_document_open( frag.docid,
                         frag.offset + offset )

end

#populate(fragments) ⇒ Object

displays the hash table of fragments, keyed on document title as a set of results, ordered by case-insensitive document title order.



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# File 'lib/weft/wxgui/controls/textcontrols.rb', line 401

def populate(fragments)
  self.clear()
  @table = TextTable.new()
  @cursor = 0
  @fragments = fragments
  # sort by document title
  save_position() do
    fragments.each_title do | doc_title, frags |
      frags.each { | frag | write_frag(frag) }
      write_range("\n", nil)
    end
  end
  evt_left_dclick()  { | e | jump_to_fragment(e) }
  self.insertion_point = 0
end

#selection_to_fragments ⇒ Object 



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# File 'lib/weft/wxgui/controls/textcontrols.rb', line 451

def selection_to_fragments()
  cursor, finish = *true_selection()
  length = finish - cursor
  results = @table.range_to_vectors(cursor, length)
end

#set_font(font) ⇒ Object

need to repaint headers and so on



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# File 'lib/weft/wxgui/controls/textcontrols.rb', line 474

def set_font(font)
  super(font)
  @saved_styles.each do | style, segments |
    segments.each do | seg | 
      set_style(seg[0], seg[1], style)
    end
  end
end