Class: Finder

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

Constant Summary

Constants included from TkResizable

TkResizable::MIN_HEIGHT, TkResizable::MIN_WIDTH

Instance Attribute Summary collapse

Attributes inherited from TkBaseTitledFrame

#frame, #top

Instance Method Summary collapse

Methods inherited from TkFloatTitledFrame

#head_buttons, #hide, #on_close=, #show_grabbed, #title

Methods included from TkResizable

#resizing_do_move_obj, #resizing_do_press, #start_resizing, #stop_resizing

Methods included from TkMovable

#moving_do_move_obj, #moving_do_press, #start_moving, #stop_moving

Methods inherited from TkBaseTitledFrame

#add_fixed_button, #add_fixed_menu_button, #add_fixed_sep, #create_frame, #head_buttons, #menu_button, #visible?

Constructor Details

#initialize(_frame, _controller) ⇒ Finder

Returns a new instance of Finder.



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# File 'ext/ae-editor/ae-editor.rb', line 4667

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{
    do_find_next
    hide
  }
  @b_go.bind('1', @find_action)
  
	 @b_replace.bind('1', proc{do_replace})  
  
	 @b_replace_all.bind('1', proc{do_replace_all})  

  @e_what_entry.bind_append('KeyRelease'){|e|
    case e.keysym
    when 'Return'
      @find_action.call
      Tk.callback_break
    else
      widget_state
    end
  }
  e2 =  TkWinfo.children(@e_with)[0]
  e2.bind_append('KeyPress'){|e|
      widget_state
  }
  @last_index='insert'
  
  @goto_line_dialog = GoToLine.new(_frame).hide
  @goto_line_dialog.on_close=proc{@goto_line_dialog.hide}

  @goto_line_dialog.b_go.bind('1',proc{go_line})
  @goto_line_dialog.e_line.bind_append('KeyRelease'){|e|
    case e.keysym
    when 'Return'
      go_line
      Tk.callback_break
    end
  }

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 4666

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 4797

def do_find(_istart=nil)
  @forwards =  @cb_back.cget('onvalue') != @cb_back.cget('variable').value.to_i
  _found = false
  @idx1 = nil
  @idx2 = 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
    
    # propagate some search options
    options = []
    if !@forwards
      options << 'backwards'
    end
    if @cb_reg.cget('onvalue')==@cb_reg.cget('variable').value.to_i
      options << 'regexp'
    end
    if @cb_ignore_case.cget('onvalue')==@cb_ignore_case.cget('variable').value.to_i
      options << 'nocase'
    end
    _index = self.editor.text.tksearch(options,@e_what.text,_istart)
    
    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)
      @idx1 =_index
              @idx2 =_index_sel_end
      _found = true
      @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
  self.editor.text.focus
  return _found
end

#do_find_next ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 4852

def do_find_next
  if @idx1 != nil
  		self.editor.text.tag_remove('sel',@idx1,@idx2)
  end
  do_find(@last_index)
end

#do_replace ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 4712

def do_replace
  if do_find_next
      _message = 'Replace "'+@e_what.value+'" with "'+@e_with.value+'" ?'
      if TkDialog2.new('message'=>_message, 'buttons'=>['Yes','No']).show() == 0
        self.editor.text.delete(@idx1,@idx2)
        self.editor.text.insert(@idx1,@e_with.value)
        self.editor.check_modify
      end
  end
end

#do_replace_all ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 4723

def do_replace_all
  while do_find_next
      _message = 'Replace "'+@e_what.value+'" with "'+@e_with.value+'" ?'
      _rc = TkDialog2.new('message'=>_message, 'buttons'=>['Yes','No','Annulla']).show()
      if _rc == 0
        self.editor.text.delete(@idx1,@idx2)
        self.editor.text.insert(@idx1,@e_with.value)
        self.editor.check_modify
      elsif _rc == 2
        break
      end
  end
end

#editor ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 4748

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 4760

def go_line
  if @goto_line_dialog.e_line.value.length > 0
    _row = @goto_line_dialog.e_line.value
    _index = _row.strip+'.1'
    self.editor.text.see(_index)
    self.editor.text.tag_remove('selected','1.0','end')
    self.editor.text.tag_add('selected',_index,_index+' lineend')
    #self.editor.text.tag_add('sel', _index,_index+' lineend')
    self.editor.text.set_insert(_index)
    @controller.bookmark_add(self.editor.file, _index)
  @goto_line_dialog.hide
  end
  #self.hide()
end

#show ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 4785

def show
  super
  use(@controller.raised)
end

#show_go_to_line_dialog ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 4755

def show_go_to_line_dialog
  use(@controller.raised)
  @goto_line_dialog.show
end

#update_combo(_txt) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 4790

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 4775

def use(_editor)
  if (_editor != @editor_caller)
    @last_index='insert'
    @editor_caller = _editor
    _title = File.basename(_editor.file) 
    title(_title)
    @goto_line_dialog.title(_title) if @goto_line_dialog
  end
end

#widget_state ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 4737

def widget_state
 		if (@e_what.value.length > 0) && (@e_with.value.length > 0)
 			@b_replace.configure('state'=>'active')
 			@b_replace_all.configure('state'=>'active')
 		else
 			@b_replace.configure('state'=>'disabled')
 			@b_replace_all.configure('state'=>'disabled')
 		end
end