diff options
Diffstat (limited to 'ruby_1_9_3/ext/tk/sample/demos-en/mclist.rb')
| -rw-r--r-- | ruby_1_9_3/ext/tk/sample/demos-en/mclist.rb | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/ruby_1_9_3/ext/tk/sample/demos-en/mclist.rb b/ruby_1_9_3/ext/tk/sample/demos-en/mclist.rb deleted file mode 100644 index 17019bb15b..0000000000 --- a/ruby_1_9_3/ext/tk/sample/demos-en/mclist.rb +++ /dev/null @@ -1,117 +0,0 @@ -# mclist.rb -- -# -# This demonstration script creates a toplevel window containing a Ttk -# tree widget configured as a multi-column listbox. -# -# based on "Id: mclist.tcl,v 1.3 2007/12/13 15:27:07 dgp Exp" - -if defined?($mclist_demo) && $mclist_demo - $mclist_demo.destroy - $mclist_demo = nil -end - -$mclist_demo = TkToplevel.new {|w| - title("Multi-Column List") - iconname("mclist") - positionWindow(w) -} - -base_frame = TkFrame.new($mclist_demo).pack(:fill=>:both, :expand=>true) - -## Explanatory text -Ttk::Label.new(base_frame, :font=>$font, :wraplength=>'4i', - :justify=>:left, :anchor=>'n', :padding=>[10, 2, 10, 6], - :text=><<EOL).pack(:fill=>:x) -Ttk is the new Tk themed widget set. \ -One of the widgets it includes is a tree widget, \ -which can be configured to display multiple columns of informational data \ -without displaying the tree itself. \ -This is a simple way to build a listbox that has multiple columns. \ -Clicking on the heading for a column will sort the data by that column. \ -You can also change the width of the columns \ -by dragging the boundary between them. -EOL - -## See Code / Dismiss -Ttk::Frame.new(base_frame) {|frame| - sep = Ttk::Separator.new(frame) - Tk.grid(sep, :columnspan=>4, :row=>0, :sticky=>'ew', :pady=>2) - TkGrid('x', - Ttk::Button.new(frame, :text=>'See Code', - :image=>$image['view'], :compound=>:left, - :command=>proc{showCode 'mclist'}), - Ttk::Button.new(frame, :text=>'Dismiss', - :image=>$image['delete'], :compound=>:left, - :command=>proc{ - $mclist_demo.destroy - $mclist_demo = nil - }), - :padx=>4, :pady=>4) - grid_columnconfigure(0, :weight=>1) - pack(:side=>:bottom, :fill=>:x) -} - -container = Ttk::Frame.new(base_frame) -tree = Ttk::Treeview.new(base_frame, :columns=>%w(country capital currency), - :show=>:headings) -if Tk.windowingsystem != 'aqua' - vsb = tree.yscrollbar(Ttk::Scrollbar.new(base_frame)) - hsb = tree.xscrollbar(Ttk::Scrollbar.new(base_frame)) -else - vsb = tree.yscrollbar(Tk::Scrollbar.new(base_frame)) - hsb = tree.xscrollbar(Tk::Scrollbar.new(base_frame)) -end - -container.pack(:fill=>:both, :expand=>true) -Tk.grid(tree, vsb, :in=>container, :sticky=>'nsew') -Tk.grid(hsb, :in=>container, :sticky=>'nsew') -container.grid_columnconfigure(0, :weight=>1) -container.grid_rowconfigure(0, :weight=>1) - -## The data we're going to insert -data = [ - ['Argentina', 'Buenos Aires', 'ARS'], - ['Australia', 'Canberra', 'AUD'], - ['Brazil', 'Brazilia', 'BRL'], - ['Canada', 'Ottawa', 'CAD'], - ['China', 'Beijing', 'CNY'], - ['France', 'Paris', 'EUR'], - ['Germany', 'Berlin', 'EUR'], - ['India', 'New Delhi', 'INR'], - ['Italy', 'Rome', 'EUR'], - ['Japan', 'Tokyo', 'JPY'], - ['Mexico', 'Mexico City', 'MXN'], - ['Russia', 'Moscow', 'RUB'], - ['South Africa', 'Pretoria', 'ZAR'], - ['United Kingdom', 'London', 'GBP'], - ['United States', 'Washington, D.C.', 'USD'], -] - -## Code to insert the data nicely -font = Ttk::Style.lookup(tree[:style], :font) -cols = %w(country capital currency) -cols.zip(%w(Country Capital Currency)).each{|col, name| - tree.heading_configure(col, :text=>name, - :command=>proc{sort_by(tree, col, false)}) - tree.column_configure(col, :width=>TkFont.measure(font, name)) -} - -data.each{|country, capital, currency| - #tree.insert('', :end, :values=>[country, capital, currency]) - tree.insert(nil, :end, :values=>[country, capital, currency]) - cols.zip([country, capital, currency]).each{|col, val| - len = TkFont.measure(font, "#{val} ") - if tree.column_cget(col, :width) < len - tree.column_configure(col, :width=>len) - end - } -} - -## Code to do the sorting of the tree contents when clicked on -def sort_by(tree, col, direction) - tree.children(nil).map!{|row| [tree.get(row, col), row.id]} . - sort(&((direction)? proc{|x, y| y <=> x}: proc{|x, y| x <=> y})) . - each_with_index{|info, idx| tree.move(info[1], nil, idx)} - - tree.heading_configure(col, :command=>proc{sort_by(tree, col, ! direction)}) -end |