[ruby-gnome2-cvs] ruby-gnome2/ruby-gnome2@f9be168 [master] Gtk3 gtk-demo: add tree_store demo

[cedlemo <nu...@co...>]

cedlemo	2017-10-28 02:03:18 +0900 (Sat, 28 Oct 2017)

  New Revision: f9be1680a472fef65e64e7ae0be02ef000043b2a
  https://github.com/ruby-gnome2/ruby-gnome2/commit/f9be1680a472fef65e64e7ae0be02ef000043b2a

  Merged b2a3c13: Merge pull request #1109 from cedlemo/gtk3_sample_gtk_demo_tree_store_rb

  Message:
    Gtk3 gtk-demo: add tree_store demo

  Added files:
    gtk3/sample/gtk-demo/tree_store.rb

  Added: gtk3/sample/gtk-demo/tree_store.rb (+257 -0) 100644
===================================================================
--- /dev/null
+++ gtk3/sample/gtk-demo/tree_store.rb    2017-10-28 02:03:18 +0900 (06cf30779)
@@ -0,0 +1,257 @@
+# Copyright (c) 2017 Ruby-GNOME2 Project Team
+# This program is licenced under the same licence as Ruby-GNOME2.
+#
+=begin
+=  Tree View/Tree Store
+
+ The GtkTreeStore is used to store data in tree form, to be
+ used later on by a GtkTreeView to display it. This demo builds
+ a simple GtkTreeStore and displays it. If you're new to the
+ GtkTreeView widgets and associates, look into the GtkListStore
+ example first.
+=end
+class TreeStoreDemo
+  TreeItem = Struct.new("TreeItem",
+                        :label, :alex, :havoc, :tim, :owen, :dave,
+                        :world_holiday, :children)
+  HOLIDAY_NAME_COLUMN, ALEX_COLUMN, HAVOC_COLUMN, TIM_COLUMN, OWEN_COLUMN,
+  DAVE_COLUMN, VISIBLE_COLUMN, WORLD_COLUMN, NUM_COLUMNS = (0..8).to_a
+
+  January = [
+    ["New Years Day", true, true, true, true, false, true, nil],
+    ["Presidential Inauguration", false, true, false, true, false, false, nil],
+    ["Martin Luther King Jr. day", false, true, false, true, false, false, nil]
+  ].collect do |ary|
+    TreeItem.new(*ary)
+  end
+
+  February = [
+    ["Presidents' Day", false, true, false, true, false, false, nil],
+    ["Groundhog Day", false, false, false, false, false, false, nil],
+    ["Valentine's Day", false, false, false, false, true, true, nil]
+  ].collect do |ary|
+    TreeItem.new(*ary)
+  end
+
+  March = [
+    ["National Tree Planting Day", false, false, false, false, false, false, nil],
+    ["St Patrick's Day", false, false, false, false, false, true, nil]
+  ].collect do |ary|
+    TreeItem.new(*ary)
+  end
+
+  April = [
+    ["April Fools' Day", false, false, false, false, false, true, nil],
+    ["Army Day", false, false, false, false, false, false, nil],
+    ["Earth Day", false, false, false, false, false, true, nil],
+    ["Administrative Professionals' Day", false, false, false, false, false, false, nil]
+  ].collect do |ary|
+    TreeItem.new(*ary)
+  end
+
+  May = [
+    ["Nurses' Day", false, false, false, false, false, false, nil],
+    ["National Day of Prayer", false, false, false, false, false, false, nil],
+    ["Mothers' Day", false, false, false, false, false, true, nil],
+    ["Armed Forces Day", false, false, false, false, false, false, nil],
+    ["Memorial Day", true, true, true, true, false, true, nil]
+  ].collect do |ary|
+    TreeItem.new(*ary)
+  end
+
+  June = [
+    ["June Fathers' Day", false, false, false, false, false, true, nil],
+    ["Juneteenth (Liberation of Slaves)", false, false, false, false, false, false, nil],
+    ["Flag Day", false, true, false, true, false, false, nil]
+  ].collect do |ary|
+    TreeItem.new(*ary)
+  end
+
+  July = [
+    ["Parents' Day", false, false, false, false, false, true, nil],
+    ["Independence Day", false, true, false, true, false, false, nil]
+  ].collect do |ary|
+    TreeItem.new(*ary)
+  end
+
+  August = [
+    ["Air Force Day", false, false, false, false, false, false, nil],
+    ["Coast Guard Day", false, false, false, false, false, false, nil],
+    ["Friendship Day", false, false, false, false, false, false, nil]
+  ].collect do |ary|
+    TreeItem.new(*ary)
+  end
+
+  September = [
+    ["Grandparents' Day", false, false, false, false, false, true, nil],
+    ["Citizenship Day or Constitution Day", false, false, false, false, false, false, nil],
+    ["Labor Day", true, true, true, true, false, true, nil]
+  ].collect do |ary|
+    TreeItem.new(*ary)
+  end
+
+  October = [
+    ["National Children's Day", false, false, false, false, false, false, nil],
+    ["Bosses' Day", false, false, false, false, false, false, nil],
+    ["Sweetest Day", false, false, false, false, false, false, nil],
+    ["Mother-in-Law's Day", false, false, false, false, false, false, nil],
+    ["Navy Day", false, false, false, false, false, false, nil],
+    ["Columbus Day", false, true, false, true, false, false, nil],
+    ["Halloween", false, false, false, false, false, true, nil]
+  ].collect do |ary|
+    TreeItem.new(*ary)
+  end
+
+  November = [
+    ["Marine Corps Day", false, false, false, false, false, false, nil],
+    ["Veterans' Day", true, true, true, true, false, true, nil],
+    ["Thanksgiving", false, true, false, true, false, false, nil]
+  ].collect do |ary|
+    TreeItem.new(*ary)
+  end
+
+  December = [
+    ["Pearl Harbor Remembrance Day", false, false, false, false, false, false, nil],
+    ["Christmas", true, true, true, true, false, true, nil],
+    ["Kwanzaa", false, false, false, false, false, false, nil]
+  ].collect do |ary|
+    TreeItem.new(*ary)
+  end
+
+  Toplevel = [
+    ["January", false, false, false, false, false, false, January],
+    ["February", false, false, false, false, false, false, February],
+    ["March", false, false, false, false, false, false, March],
+    ["April", false, false, false, false, false, false, April],
+    ["May", false, false, false, false, false, false, May],
+    ["June", false, false, false, false, false, false, June],
+    ["July", false, false, false, false, false, false, July],
+    ["August", false, false, false, false, false, false, August],
+    ["September", false, false, false, false, false, false, September],
+    ["October", false, false, false, false, false, false, October],
+    ["November", false, false, false, false, false, false, November],
+    ["December", false, false, false, false, false, false, December]
+  ].collect do |ary|
+    TreeItem.new(*ary)
+  end
+
+  def initialize(main_window)
+    @window = Gtk::Window.new(:toplevel)
+    @window.screen = main_window.screen
+    @window.title = "Tree Store"
+
+    vbox = Gtk::Box.new(:vertical, 8)
+    vbox.margin = 8
+    @window.add(vbox)
+    label = Gtk::Label.new("Jonathan's Holiday Card Planning Sheet")
+    vbox.pack_start(label)
+
+    sw = Gtk::ScrolledWindow.new
+    sw.shadow_type = :etched_in
+    sw.set_policy(:automatic, :automatic)
+    vbox.pack_start(sw, :expand => true, :fill => true, :padding => 0)
+
+    create_model
+    @treeview = Gtk::TreeView.new(@model)
+    @treeview.selection.mode = :multiple
+
+    add_columns
+    sw.add(@treeview)
+
+    # Expand all rows after the treeview widget has been realized
+    @treeview.signal_connect("realize", &:expand_all)
+    @window.set_default_size(650, 400)
+  end
+
+  def run
+    if !@window.visible?
+      @window.show_all
+    else
+      @window.destroy
+    end
+    @window
+  end
+
+  private
+
+  def create_model
+    @model = Gtk::TreeStore.new(String, TrueClass, TrueClass, TrueClass,
+                                TrueClass, TrueClass, TrueClass, TrueClass)
+    Toplevel.each do |month|
+      iter = @model.append(nil)
+      iter[HOLIDAY_NAME_COLUMN] = month.label
+      iter[ALEX_COLUMN] = false
+      iter[HAVOC_COLUMN] = false
+      iter[TIM_COLUMN] = false
+      iter[OWEN_COLUMN] = false
+      iter[DAVE_COLUMN] = false
+      iter[VISIBLE_COLUMN] = false
+      iter[WORLD_COLUMN] = false
+
+      holidays = month.children
+      # add children
+      holidays.each do |holiday|
+        child_iter = @model.append(iter)
+        child_iter[HOLIDAY_NAME_COLUMN] = holiday.label
+        child_iter[ALEX_COLUMN] = holiday.alex
+        child_iter[HAVOC_COLUMN] = holiday.havoc
+        child_iter[TIM_COLUMN] = holiday.tim
+        child_iter[OWEN_COLUMN] = holiday.owen
+        child_iter[DAVE_COLUMN] = holiday.dave
+        child_iter[VISIBLE_COLUMN] = true
+        child_iter[WORLD_COLUMN] = holiday.world_holiday
+      end
+    end
+  end
+
+  def add_toggle_column(label, col_index, attributes)
+    renderer = Gtk::CellRendererToggle.new
+    renderer.xalign = 0.0
+    renderer.signal_connect "toggled" do |_cell, path_str|
+      path = Gtk::TreePath.new(path_str)
+      iter = @model.get_iter(path)
+      toggle_item = iter[col_index]
+
+      toggle_item = !toggle_item
+      iter[col_index] = toggle_item
+    end
+
+    col_offset = @treeview.insert_column(-1, label, renderer, attributes)
+    column = @treeview.get_column(col_offset - 1)
+    column.sizing = :fixed
+    column.clickable = true
+  end
+
+  def add_columns
+    # column for holiday names
+    renderer = Gtk::CellRendererText.new
+    renderer.xalign = 0.0
+
+    col_offset = @treeview.insert_column(-1, "Holiday", renderer,
+                                         :text => HOLIDAY_NAME_COLUMN)
+    column = @treeview.get_column(col_offset - 1)
+    column.clickable = true
+
+    add_toggle_column("Alex", ALEX_COLUMN,
+                      :active => ALEX_COLUMN,
+                      :visible => VISIBLE_COLUMN,
+                      :activatable => WORLD_COLUMN)
+
+    add_toggle_column("Havoc", HAVOC_COLUMN,
+                      :active => HAVOC_COLUMN,
+                      :visible => VISIBLE_COLUMN)
+
+    add_toggle_column("Tim", TIM_COLUMN,
+                      :active => TIM_COLUMN,
+                      :visible => VISIBLE_COLUMN,
+                      :activatable => WORLD_COLUMN)
+
+    add_toggle_column("Owen", OWEN_COLUMN,
+                      :active => OWEN_COLUMN,
+                      :visible => VISIBLE_COLUMN)
+
+    add_toggle_column("Dave", DAVE_COLUMN,
+                      :active => DAVE_COLUMN,
+                      :visible => VISIBLE_COLUMN)
+  end
+end