Class: DirBrowser

Inherits:
Object
  • Object
show all
Includes:
Observable
Defined in:
lib/gswax/browser.rb

Instance Method Summary collapse

Constructor Details

#initialize(path = Settings.brains_dir) ⇒ DirBrowser

Returns a new instance of DirBrowser.



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# File 'lib/gswax/browser.rb', line 13

def initialize(path = Settings.brains_dir)		
	@okfiles = [/.mp3/, /.flac/, /.ogg/, /.wav/]
	@selected = []
	@listview = ListView.new		# def in shared.rb
	@listview.add_observer(self, :on_list_signals)
	
	init_ui
	pathscan(path)
	update_ui
end

Instance Method Details

#add_btns_active(boolean) ⇒ Object 



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# File 'lib/gswax/browser.rb', line 215

def add_btns_active(boolean)
	@append_btn.sensitive = boolean
	@prepend_btn.sensitive = boolean
end

#close_window ⇒ Object 



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# File 'lib/gswax/browser.rb', line 220

def close_window
	@win.destroy
end

#get_image(path) ⇒ Object 



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# File 'lib/gswax/browser.rb', line 188

def get_image(path)
	if path
		image_files = []
		Dir.entries(path).each{|entry|
			image_files << entry if entry.downcase.include?(".jpg") || entry.downcase.include?(".png") || entry.downcase.include?(".gif")
		}
		if image_files[0]
			@image_file = path + File::Separator + image_files[0]
		else
			@image_file = Settings.brains_dir + File::Separator + "images" + File::Separator + "no_cover.png"
		end
	else
		@image_file = Settings.brains_dir + File::Separator + "images" + File::Separator + "no_cover.png"
	end
end

#init_ui ⇒ Object 



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# File 'lib/gswax/browser.rb', line 24

def init_ui
	@win = Gtk::Window.new
	@win.set_size_request(750, 450)
	@win.icon = Gdk::Pixbuf.new File.join(DIR, '../static/gshoes-icon.png')
	@win.title = 'Directory Browser'
	@win.signal_connect("destroy"){changed; notify_observers("BROWSER_CLOSED")}
		@main = Gtk::HBox.new(false, 5)
			@leftalign = Gtk::Alignment.new(0.5, 0, 0, 0)
				@left = Gtk::VBox.new(false, 2)
				@left.set_size_request(200, 450)
				
					current_btn_frame = Gtk::Frame.new()
						@current_dir_btn = Gtk::EventBox.new()
						@current_dir_btn.set_size_request(200, 200)
							@img = Gtk::Image.new()
						@current_dir_btn.add(@img)
						@current_dir_btn.signal_connect("button_press_event"){
							@listview.list_selection.select_all
						}
					current_btn_frame.add(@current_dir_btn)
			
					up_btn_frame = Gtk::Frame.new("/../")
					up_btn_frame.label_xalign = 0.05
						@up_dir_btn = Gtk::EventBox.new()
							@current_dir_text = Gtk::Label.new()
							@current_dir_text.width_chars = (26)
							@current_dir_text.set_wrap(true)
							@current_dir_text.justify = Gtk::JUSTIFY_CENTER
							@current_dir_text.ypad = 5
						@up_dir_btn.add(@current_dir_text)
						@up_dir_btn.signal_connect("button_press_event"){up_one_dir}
					up_btn_frame.add(@up_dir_btn)
				
					add_btns_box = Gtk::HBox.new(true, 2)
						@append_btn = Gtk::Button.new("list <<")
						@append_btn.signal_connect("clicked"){notify_add_selected}
						@prepend_btn = Gtk::Button.new(">> list")
						@prepend_btn.signal_connect("clicked"){notify_add_selected("prepend")}
						@append_btn.sensitive = false
						@prepend_btn.sensitive = false
					add_btns_box.pack_start(@append_btn, true, true, 2)
					add_btns_box.pack_start(@prepend_btn, true, true, 2)
		
				@left.pack_start(current_btn_frame, false, false, 10)
				@left.pack_start(up_btn_frame, false, false, 10)
				@left.pack_end(add_btns_box, false, false, 10)
			
			@leftalign.add(@left)
			
			@rightalign = Gtk::Alignment.new(0, 0, 1, 0)
				@right = Gtk::VBox.new(false, 2)
					@rightpane = Gtk::ScrolledWindow.new
					@rightpane.set_size_request(500, 450)
						horizontal = @rightpane.hadjustment
						vertical = @rightpane.vadjustment
						viewport = Gtk::Viewport.new(horizontal, vertical)
					@rightpane.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_ALWAYS)
					@rightpane.add_with_viewport(@listview.list)
				@right.pack_start(@rightpane, true, true, 2)
			@rightalign = Gtk::Alignment.new(0, 0, 1, 0)
			@rightalign.add(@right)
			
		@main.pack_start(@leftalign, true, true, 2)
		@main.pack_start(@rightalign, true, true, 2)
	
	@win.add(@main)
	@win.show_all
end

#notify_add_selected(position = "append") ⇒ Object 



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# File 'lib/gswax/browser.rb', line 128

def notify_add_selected(position = "append")
	dirs = []
	files = []
	@listview.list_selection.selected_each{|mod, path, iter|
		dirs << iter[1] ? File.directory?(iter[1]) : files << iter[1]
	}
	
	files.each{|file| @selected << file} if files[0]		
	
	if dirs[0]
		dirs.each{|dir| 
			Find.find(dir){|item|
			@okfiles.each{|ok| @selected << item if item.downcase =~ ok}
			}	
		}
	end
	
	if position == "prepend"
		@selected.reverse!.insert(0, "PREPEND")
	else
		@selected.insert(0, "APPEND")
	end
	
	changed; notify_observers(@selected)
	@selected = []
	@listview.list_selection.unselect_all
	add_btns_active(false)
end

#on_list_signals(*signal) ⇒ Object 



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# File 'lib/gswax/browser.rb', line 108

def on_list_signals(*signal)
	case signal[0]
		when "changed"
			add_btns_active(true)
		when "row-activated"
			right_select(signal[2])
			add_btns_active(false)
	end
end

#pathscan(path) ⇒ Object 



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# File 'lib/gswax/browser.rb', line 157

def pathscan(path)
	if path
		if File.directory?(path)
			dirs = []
			files = []
			Dir.open(path){|dir|
				for entry in dir
					next if entry == '.'
					next if entry == '..'
					unless entry[0] == '.'
						item = path + File::Separator + entry
						if File.directory?(item)
							dirs << item unless File.basename(item)[0] == "."
						else
							@okfiles.each{|ok| files << item if item.downcase =~ ok}
						end
					end
				end
			}
			@dirs = dirs.sort
			@files = files.sort
			@current_dir = path
			@left_width = 200
			get_image(@current_dir)
		end
	else
		@current_dir = Settings.brains_dir
		@image_file = Settings.brains_dir + File::Separator + "images" + File::Separator + "no_cover.png"
	end
end

#right_select(path) ⇒ Object 



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# File 'lib/gswax/browser.rb', line 118

def right_select(path)
	iter = @listview.store.get_iter(path)
	entry = iter[1]
	if @dirs.include?(entry)
		update_dir(entry)
	elsif @files.include?(entry)
		changed; notify_observers(["PLAY_NOW", entry])
	end
end

#up_one_dir ⇒ Object 



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# File 'lib/gswax/browser.rb', line 204

def up_one_dir
	newpath = @current_dir.split(File::Separator)[0..-2].join(File::Separator)
	update_dir(newpath)
	add_btns_active(false)
end

#update_dir(path) ⇒ Object 



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# File 'lib/gswax/browser.rb', line 210

def update_dir(path)
	pathscan(path)
	update_ui
end

#update_ui ⇒ Object 



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# File 'lib/gswax/browser.rb', line 93

def update_ui
	##left side
	@current_dir_btn.remove(@img)
	pbuf = Gdk::Pixbuf.new(@image_file, 200, 200)
	@img = Gtk::Image.new(pbuf)
	@current_dir_btn.add(@img)
	@current_dir_text.text = @current_dir
	@left.show_all
	
	##right side
	@listview.store.clear
	@dirs.each{|dir| @listview.add_to_list(dir)} if @dirs[0]
	@files.each{|file| @listview.add_to_list(file)} if @files[0]
end