Class: Alexandria::UI::ListViewManager

Inherits:
Object
  • Object
show all
Includes:
Logging, DragAndDropable, GetText
Defined in:
lib/alexandria/ui/listview.rb

Constant Summary collapse

BOOKS_TARGET_TABLE = 
[["ALEXANDRIA_BOOKS", :same_app, 0]].freeze
TEXT_COLUMNS = 
[
  [_("Authors"), Columns::AUTHORS],
  [_("ISBN"), Columns::ISBN],
  [_("Publisher"), Columns::PUBLISHER],
  [_("Publish Year"), Columns::PUBLISH_DATE],
  [_("Binding"), Columns::EDITION],
  [_("Loaned To"), Columns::LOANED_TO]
].freeze
CHECK_COLUMNS = 
[
  [_("Read"), Columns::REDD],
  [_("Own"), Columns::OWN],
  [_("Want"), Columns::WANT]
].freeze

Constants included from DragAndDropable

DragAndDropable::BADGE_MARKUP

Instance Method Summary collapse

Methods included from DragAndDropable

#setup_view_source_dnd

Methods included from Logging

included, #log

Constructor Details

#initialize(_listview, parent) ⇒ ListViewManager

Returns a new instance of ListViewManager.



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# File 'lib/alexandria/ui/listview.rb', line 20

def initialize(_listview, parent)
  @parent = parent
  @prefs = @parent.prefs
  @listview = @parent.listview
  @listview_model = @parent.listview_model
  @filtered_model = @parent.filtered_model
  @model = @parent.model
  @actiongroup = @parent.actiongroup
  setup_books_listview
end

Instance Method Details

#setup_books_listview ⇒ Object 



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# File 'lib/alexandria/ui/listview.rb', line 64

def setup_books_listview
  log.debug { "setup_books_listview" }
  @listview.model = @listview_model
  setup_title_column
  TEXT_COLUMNS.each do |title, iterid|
    setup_text_column title, iterid
  end
  CHECK_COLUMNS.each do |title, iterid|
    setup_check_column title, iterid
  end
  setup_rating_column
  @listview.selection.mode = :multiple
  @listview.selection.signal_connect("changed") do
    log.debug { "changed" }
    @parent.on_books_selection_changed
  end
  setup_tags_column
  setup_row_activation
  setup_view_source_dnd(@listview)
end

#setup_check_column(title, iterid) ⇒ Object 



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# File 'lib/alexandria/ui/listview.rb', line 127

def setup_check_column(title, iterid)
  renderer = CellRendererToggle.new
  renderer.activatable = true
  renderer.signal_connect("toggled") do |_rndrr, path|
    tree_path = Gtk::TreePath.new(path)
    child_path = @listview_model.convert_path_to_child_path(tree_path)
    if child_path
      unfiltered_path = @filtered_model.convert_path_to_child_path(child_path)
      # FIX this sometimes returns a nil path for iconview...
      if unfiltered_path
        iter = @model.get_iter(unfiltered_path)
        if iter
          book = @parent.book_from_iter(@parent.selected_library, iter)
          toggle_state = case iterid
                         when Columns::REDD then book.redd
                         when Columns::OWN then book.own
                         when Columns::WANT then book.want
                         end
          # invert toggle_state
          unless iterid == Columns::WANT && book.own
            toggle_state = !toggle_state
            case iterid
            when Columns::REDD then book.redd = toggle_state
            when Columns::OWN then book.own = toggle_state
            when Columns::WANT then book.want = toggle_state
            end
            iter[iterid] = toggle_state
            lib = @parent.selected_library
            lib.save(book)
          end
        end
      end

    end
  rescue StandardError => ex
    log.error { "toggle failed for path #{path} #{ex}\n" + e.backtrace.join("\n") }
  end
  column = Gtk::TreeViewColumn.new(title, renderer, text: iterid)
  column.sort_column_id = iterid
  column.resizable = true
  log.debug { format("Create listview column for %s...", title) }

  column.add_attribute(renderer, "active", iterid)
  if iterid == Columns::WANT
    column.add_attribute(renderer, "inconsistent", Columns::OWN)
  end

  log.debug { "append_column #{column}" }
  @listview.append_column(column)
end

#setup_listview_columns_visibility ⇒ Object 



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# File 'lib/alexandria/ui/listview.rb', line 189

def setup_listview_columns_visibility
  log.debug { "setup_listview_columns_visibility" }
  # Show or hide list view columns according to the preferences.
  cols_visibility = [
    @prefs.col_authors_visible,
    @prefs.col_isbn_visible,
    @prefs.col_publisher_visible,
    @prefs.col_publish_date_visible,
    @prefs.col_edition_visible,
    @prefs.col_loaned_to_visible,
    @prefs.col_redd_visible,
    @prefs.col_own_visible,
    @prefs.col_want_visible,
    @prefs.col_rating_visible,
    @prefs.col_tags_visible
  ]
  cols = @listview.columns[1..-1] # skip "Title"
  cols.each_index do |i|
    cols[i].visible = !!cols_visibility[i]
  end
  log.debug do
    "Columns visibility: " +
      cols.map { |col| "#{col.title} #{col.visible?}" }.join(", ")
  end
end

#setup_listview_columns_width ⇒ Object

Sets the width of each column based on any respective preference value stored.



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# File 'lib/alexandria/ui/listview.rb', line 217

def setup_listview_columns_width
  log.debug { "setup_listview_columns_width #{@prefs.cols_width}" }
  if @prefs.cols_width
    cols_width = YAML.safe_load(@prefs.cols_width)
    log.debug { "cols_width: #{cols_width.inspect}" }
    @listview.columns.each do |c|
      if cols_width.key?(c.title)
        log.debug { "#{c.title} : #{cols_width[c.title]}" }
        width = cols_width[c.title]
        next if width.zero?

        c.sizing = :fixed
        c.fixed_width = width
      end
    end
  end
  log.debug do
    "Columns width: " +
      @listview.columns.map { |col| "#{col.title} #{col.width}" }.join(", ")
  end
end

#setup_rating_column ⇒ Object 



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# File 'lib/alexandria/ui/listview.rb', line 106

def setup_rating_column
  title = _("Rating")
  log.debug { format("Create listview column for %s...", title) }
  column = Gtk::TreeViewColumn.new(title)
  column.sizing = :fixed
  width = (Icons::STAR_SET.width + 1) * Book::MAX_RATING_STARS
  column.fixed_width = column.min_width = column.max_width = width
  Book::MAX_RATING_STARS.times do |i|
    renderer = Gtk::CellRendererPixbuf.new
    renderer.xalign = 0.0
    column.pack_start(renderer, false)
    column.set_cell_data_func(renderer) do |_tree_column, cell, _tree_model, iter|
      rating = (iter[Columns::RATING] - Book::MAX_RATING_STARS).abs
      cell.pixbuf = rating >= i.succ ? Icons::STAR_SET : Icons::STAR_UNSET
    end
  end
  column.sort_column_id = Columns::RATING
  column.resizable = false
  @listview.append_column(column)
end

#setup_row_activation ⇒ Object 



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# File 'lib/alexandria/ui/listview.rb', line 98

def setup_row_activation
  @listview.signal_connect("row-activated") do
    log.debug { "row-activated" }
    @actiongroup["Properties"].activate
    false
  end
end

#setup_tags_column ⇒ Object 



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# File 'lib/alexandria/ui/listview.rb', line 85

def setup_tags_column
  # adding tags column...
  title = _("Tags")
  log.debug { "Create listview column for tags..." }
  renderer = Gtk::CellRendererText.new
  renderer.ellipsize = :end
  column = Gtk::TreeViewColumn.new(title, renderer,
                                   text: Columns::TAGS)
  column.sort_column_id = Columns::TAGS
  column.resizable = true
  @listview.append_column(column)
end

#setup_text_column(title, iterid) ⇒ Object 



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# File 'lib/alexandria/ui/listview.rb', line 178

def setup_text_column(title, iterid)
  log.debug { format("Create listview column for %s...", title) }
  renderer = Gtk::CellRendererText.new
  renderer.ellipsize = :end
  column = Gtk::TreeViewColumn.new(title, renderer,
                                   text: iterid)
  column.sort_column_id = iterid
  column.resizable = true
  @listview.append_column(column)
end

#setup_title_column ⇒ Object 



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# File 'lib/alexandria/ui/listview.rb', line 31

def setup_title_column
  title = _("Title")
  log.debug { format("Create listview column for %s", title) }
  column = Gtk::TreeViewColumn.new(title)

  renderer = Gtk::CellRendererPixbuf.new
  column.pack_start(renderer, false)
  column.add_attribute(renderer, "pixbuf", Columns::COVER_LIST)

  renderer = Gtk::CellRendererText.new
  renderer.ellipsize = :end
  column.pack_start(renderer, true)
  column.add_attribute(renderer, "text", Columns::TITLE)

  column.sort_column_id = Columns::TITLE
  column.resizable = true
  @listview.append_column(column)
end