Class: Find

Inherits:
Findview show all
Defined in:
ext/ae-editor/ae-editor.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(_frame, _controller) ⇒ Find

Returns a new instance of Find.



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# File 'ext/ae-editor/ae-editor.rb', line 1753

def initialize(_frame, _controller)
  super(_frame)
  #@l_file.configure('text'=>_title)
  #Tk.tk_call('wm', 'title', self, _title )
  @controller = _controller
  @forwards = true
  @find_action = proc{
    _radio = @rb.get_value
    if _radio == 'line'
      go_line
    else
      @forwards =  _radio == 'forwards'
      do_find_next
    end
  }
  @b_go.bind('1', @find_action)
  e =  TkWinfo.children(@e_what)[0]
  e.bind_append('KeyPress'){|e|
    case e.keysym
    when 'Return'
      @find_action.call
      Tk.callback_break
    end
  }
  @last_index='insert'
end

Instance Attribute Details

#e_what ⇒ Object (readonly)

Returns the value of attribute e_what.



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# File 'ext/ae-editor/ae-editor.rb', line 1752

def e_what
  @e_what
end

Instance Method Details

#do_find(_istart = nil) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1814

def do_find(_istart=nil)
  if @e_what.text.length > 0
    update_combo(@e_what.text)
    if !_istart && self.editor.text.index('insert')!=nil
      _istart ='insert'
    elsif defined?(@last_index)
    		_istart = @last_index
    else
      _istart = '1.0'
    end
    if @forwards
      if @cb_reg.cget('onvalue')=='1'
        _index = self.editor.text.rsearch(@e_what.text,_istart)
      else
        _index = self.editor.text.search(@e_what.text,_istart)
      end
    else

      if @cb_reg.cget('onvalue')=='1'
        _index = self.editor.text.tkrsearch(['backwards'],@e_what.text,_istart)
      else
        _index = self.editor.text.tksearch(['backwards'],@e_what.text,_istart)
      end
    end
    if _index && _index.length>0
      self.editor.text.see(_index)
      _row, _col = _index.split('.')
      _index_sel_end = _row.to_i.to_s+'.'+(_col.to_i+@e_what.text.length).to_i.to_s
      if @forwards
        @last_index= _index_sel_end
      else
        @last_index= _row.to_i.to_s+'.'+(_col.to_i-1).to_i.to_s
      end
      self.editor.text.tag_add('sel', _index,_index_sel_end)
      self.editor.text.set_insert(_index)
      @controller.bookmark_add(self.editor.file, _index)
    else
      _message = '"'+@e_what.value+'" not found'
      TkDialog2.new('message'=>_message, 'buttons'=>['Ok']).show()
    end

  else
    self.show()
  end
end

#do_find_next ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1860

def do_find_next
  do_find(@last_index)
end

#editor ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1780

def editor
   if @editor_caller == nil
     @editor_caller = @controller.raised
   end
   return @editor_caller
end

#go_line ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1788

def go_line
  if @e_what.value.length > 0
    _row = @e_what.value
    _index = _row+'.1'
    self.editor.text.see(_index)
    self.editor.text.tag_add('sel', _index,_index+' lineend')
    self.editor.text.set_insert(_index)
    @controller.bookmark_add(self.editor.file, _index)
  end
  #self.hide()
end

#update_combo(_txt) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1807

def update_combo(_txt)
  values = @e_what.cget('values')
  if (values != nil && !values.include?(_txt))
    @e_what.insert('end', @e_what.value)
  end
end

#use(_editor) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1800

def use(_editor)
  if (_editor != @editor_caller)
    @last_index='insert'
    @editor_caller = _editor
  end
end