Class: Cosmos::FileChooser

Inherits:
Qt::Widget show all
Defined in:
lib/cosmos/gui/choosers/file_chooser.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(parent, label_text, initial_value, button_text, file_path, field_width = 20, fill = false, extensions = nil) ⇒ FileChooser

Returns a new instance of FileChooser.



20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
 
# File 'lib/cosmos/gui/choosers/file_chooser.rb', line 20

def initialize(
  parent, label_text, initial_value, button_text, file_path,
  field_width = 20, fill = false, extensions = nil
)
  super(parent)

  layout = Qt::HBoxLayout.new(self)
  layout.setContentsMargins(0,0,0,0)

  @file_label = Qt::Label.new(label_text)
  @file_label.setSizePolicy(Qt::SizePolicy::Fixed, Qt::SizePolicy::Fixed) if fill
  layout.addWidget(@file_label)
  layout.addStretch unless fill

  @filename_value = Qt::LineEdit.new(initial_value.to_s)
  @filename_value.setMinimumWidth(field_width)
  @filename_value.setReadOnly(true)
  layout.addWidget(@filename_value)

  @select_button = Qt::PushButton.new(button_text)
  @select_button.connect(SIGNAL('clicked()')) do
    if extensions
      filename = Qt::FileDialog.getOpenFileName(self, button_text, file_path, extensions)
    else
      filename = Qt::FileDialog.getOpenFileName(self, button_text, file_path)
    end
    if !filename.to_s.empty?
      @filename_value.text = filename.to_s
      @callback.call(@filename_value.text) if @callback
    end
  end
  layout.addWidget(@select_button)

  setLayout(layout)

  @callback = nil
end

Instance Attribute Details

#callback ⇒ Object

Callback for a chosen filename



18
19
20
 
# File 'lib/cosmos/gui/choosers/file_chooser.rb', line 18

def callback
  @callback
end

Instance Method Details

#filename ⇒ Object 



58
59
60
 
# File 'lib/cosmos/gui/choosers/file_chooser.rb', line 58

def filename
  @filename_value.text
end

#filename=(filename) ⇒ Object 



62
63
64
 
# File 'lib/cosmos/gui/choosers/file_chooser.rb', line 62

def filename=(filename)
  @filename_value.text = filename.to_s
end