Class: Redcar::EditView

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# File 'plugins/edit_view/lib/edit_view.rb', line 278

def self.all_arrow_right_handlers
  all_handlers(:arrow_right)
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 286

def self.all_backspace_handlers
  all_handlers(:backspace)
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 290

def self.all_cmd_enter_handlers
  all_handlers(:cmd_enter)
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 282

def self.all_delete_handlers
  all_handlers(:delete)
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 480

def self.all_edit_views
  Redcar.app.windows.map {|w| w.notebooks.map {|n| n.tabs}.flatten }.flatten.select {|t| t.is_a?(EditTab)}.map {|t| t.edit_view}
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 270

def self.all_esc_handlers
  all_handlers(:esc)
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 229

def self.all_handlers(type)
  result = []
  method_name = :#{type}_handlers"
  Redcar.plugin_manager.objects_implementing(method_name).each do |object|
    result += object.send(method_name)
  end
  result.each {|h| Handler.verify_interface!(h) }
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 266

def self.all_tab_handlers
  all_handlers(:tab)
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 238

def self.arrow_left_handlers
  [Actions::ArrowLeftHandler]
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 242

def self.arrow_right_handlers
  [Actions::ArrowRightHandler]
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 250

def self.backspace_handlers
  [Actions::BackspaceHandler]
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 202

def self.close_tab_guard(tab)
  if tab.respond_to?(:edit_view) && tab.edit_view.document.modified?
    tab.focus
    result = Application::Dialog.message_box(
      "This tab has unsaved changes. \n\nSave before closing?",
      :buttons => :yes_no_cancel
    )
    case result
    when :yes
      # check if the tab was saved properly,
      # it would return false for example if the permission is not granted
      t = Project::SaveFileCommand.new(tab).run
      if t
        true
      else
        false
      end
    when :no
      true
    when :cancel
      false
    end
  else
    true
  end
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 195

def self.close_window_guard(win)
  EditView::ModifiedTabsChecker.new(
    win.notebooks.map(&:tabs).flatten.select {|t| t.is_a?(EditTab)},
    "Save all before closing the window?"
  ).check
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 262

def self.cmd_enter_handlers
  [Actions::CmdEnterHandler]
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 355

def self.current
  tab = Redcar.app.focussed_window.focussed_notebook.focussed_tab
  if tab.is_a?(Redcar::EditTab)
    tab.edit_view
  end
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 402

def self.default_font
  if Redcar.platform == :osx
    "Monaco"
  elsif Redcar.platform == :linux
    "Monospace"
  elsif Redcar.platform == :windows
    "Courier New"
  end
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 392

def self.default_font_size
  if Redcar.platform == :osx
    15
  elsif Redcar.platform == :linux
    11
  elsif Redcar.platform == :windows
    9
  end
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 254

def self.delete_handlers
  [Actions::DeleteHandler]
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 165

def self.edit_view_context_menus
  Menu::Builder.build do
    group(:priority => :first) do
      item ("Cut"  ) { Redcar::Top::CutCommand.new.run  }
      item ("Copy" ) { Redcar::Top::CopyCommand.new.run }
      item ("Paste") { Redcar::Top::PasteCommand.new.run}
    end
    group(:priority => 20) do
      separator
      sub_menu "Convert Text" do
        item ("to Uppercase")     {EditView::UpcaseTextCommand.new.run}
        item ("to Lowercase")     {EditView::DowncaseTextCommand.new.run}
        item ("to Titlecase")     {EditView::TitlizeTextCommand.new.run}
        item ("to Opposite Case") {EditView::OppositeCaseTextCommand.new.run}
        separator
        item ("to CamelCase")                           {EditView::CamelCaseTextCommand.new.run}
        item ("to snake_case")                          {EditView::UnderscoreTextCommand.new.run}
        item ("Toggle PascalCase-underscore-camelCase") {EditView::CamelSnakePascalRotateTextCommand.new.run}
      end
    end
  end
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 258

def self.esc_handlers
  [Actions::EscapeHandler]
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 476

def self.focussed_document_mirror
  focussed_edit_view_document.mirror if focussed_edit_view_document
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 472

def self.focussed_edit_view_document
  focussed_tab_edit_view.document if focussed_tab_edit_view
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 468

def self.focussed_tab_edit_view
  Redcar.app.focussed_notebook_tab.edit_view if Redcar.app.focussed_notebook_tab and Redcar.app.focussed_notebook_tab.edit_tab?
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 417

def self.font
  font_info[0]
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 425

def self.font=(font)
  EditView.storage["font"] = font
  all_edit_views.each {|ev| ev.refresh_font }
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 412

def self.font_info
  [ EditView.storage["font"] || default_font,
    EditView.storage["font-size"] || default_font_size ]
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 421

def self.font_size
  font_info[1]
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 442

def self.font_size=(size)
  EditView.storage["font-size"] = size
  all_edit_views.each {|ev| ev.refresh_font }
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 434

def self.indent_selection_on_tab= doit
  EditView.storage["indent_selection_on_tab"] = !!doit
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 430

def self.indent_selection_on_tab?
  EditView.storage["indent_selection_on_tab"]
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 100

def self.menus
  Menu::Builder.build do
    sub_menu "Edit" do
      group(:priority => 20) do
        item "Change Language", ChangeLanguageCommand

        sub_menu "Tabs" do
          item "Soft Tabs", :command => EditView::ToggleSoftTabsCommand,
                            :type => :check,
                            :checked => lambda { tab and tab.respond_to?(:edit_view) and tab.edit_view.soft_tabs? }

          item "Indent Selection on Tab", :command => EditView::ToggleIndentSelectionOnTabCommand,
                            :type => :check,
                            :checked => lambda { EditView.indent_selection_on_tab? }

          sub_menu "Tab Width" do
            TabSettings::TAB_WIDTHS.each do |width|
              command_klass = Class.new(SetTabWidthCommand)
              command_klass.width = width.to_i
              already_checker = lambda { tab and tab.respond_to?(:edit_view) and tab.edit_view.tab_width.to_s == width.to_s }
              item width, :command => command_klass, :type => :check, :checked => already_checker
            end
          end
        end

        sub_menu "Margin" do
          item "Word Wrap", :command => EditView::ToggleWordWrapCommand,
                            :type => :check,
                            :checked => lambda { tab and tab.respond_to?(:edit_view) and tab.edit_view.word_wrap? }

          item "Show Margin", :command => EditView::ToggleShowMarginCommand,
                              :type => :check,
                              :checked => lambda { tab and tab.respond_to?(:edit_view) and tab.edit_view.show_margin? }

          item lambda { tab && tab.respond_to?(:edit_view) ? "Margin Column: #{tab.edit_view.margin_column}" : "Margin Column" }, SetMarginColumnCommand
        end

        separator
      end

      sub_menu "Formatting" do
        item "Align Assignments", EditView::AlignAssignmentCommand
        sub_menu "Convert Text", :priority => 40 do
          item "to Uppercase",     EditView::UpcaseTextCommand
          item "to Lowercase",     EditView::DowncaseTextCommand
          item "to Titlecase",     EditView::TitlizeTextCommand
          item "to Opposite Case", EditView::OppositeCaseTextCommand
          separator
          item "to CamelCase",                           EditView::CamelCaseTextCommand
          item "to snake_case",                          EditView::UnderscoreTextCommand
          item "Toggle PascalCase-underscore-camelCase", EditView::CamelSnakePascalRotateTextCommand
        end
      end
    end
  end
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 349

def self.protect_edit_view_focus
  @protect_edit_view_focus = true
  yield
  @protect_edit_view_focus = false
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 188

def self.quit_guard
  EditView::ModifiedTabsChecker.new(
    Redcar.app.all_tabs.select {|t| t.is_a?(EditTab)},
    "Save all before quitting?"
  ).check
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 362

def self.sensitivities
  [
    Sensitivity.new(:edit_tab_focussed, Redcar.app, false, [:tab_focussed]) do |tab|
      tab and tab.is_a?(EditTab)
    end,
    Sensitivity.new(:edit_view_focussed, EditView, false, [:focussed_edit_view]) do |edit_view|
      edit_view
    end,
    Sensitivity.new(:selected_text, Redcar.app, false, [:focussed_tab_selection_changed, :tab_focussed]) do
      if win = Redcar.app.focussed_window
        tab = win.focussed_notebook.focussed_tab
        tab and tab.is_a?(EditTab) and tab.edit_view.document.selection?
      end
    end,
    @undo_sensitivity =
      Sensitivity.new(:undoable, Redcar.app, false, [:focussed_tab_changed, :tab_focussed]) do
        tab = Redcar.app.focussed_window.focussed_notebook.focussed_tab
        tab and tab.is_a?(EditTab) and tab.edit_view.undoable?
      end,
    @redo_sensitivity =
      Sensitivity.new(:redoable, Redcar.app, false, [:focussed_tab_changed, :tab_focussed]) do
        tab = Redcar.app.focussed_window.focussed_notebook.focussed_tab
        tab and tab.is_a?(EditTab) and tab.edit_view.redoable?
      end,
    Sensitivity.new(:clipboard_not_empty, Redcar.app, false, [:clipboard_added, :focussed_window]) do
      Redcar.app.clipboard.length > 0
    end
  ]
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 603

def self.show_invisibles=(bool)
  EditView.tab_settings.set_show_invisibles(bool)
  all_edit_views.each {|ev| ev.refresh_show_invisibles }
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 599

def self.show_invisibles?
  EditView.tab_settings.show_invisibles?
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 621

def self.show_line_numbers=(bool)
  EditView.tab_settings.set_show_line_numbers(bool)
  all_edit_views.each {|ev| ev.refresh_show_line_numbers }
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 617

def self.show_line_numbers?
  EditView.tab_settings.show_line_numbers?
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 92

def self.storage
  @storage ||= begin
    store = Plugin::Storage.new('edit_view_plugin')
    store.set_default('indent_selection_on_tab', true)
    store
  end
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 246

def self.tab_handlers
  [Actions::IndentTabHandler]
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 88

def self.tab_settings
  @tab_settings ||= TabSettings.new
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 447

def self.theme
  EditView.storage["theme"] || "Twilight"
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 451

def self.theme=(theme)
  theme.gsub!(/ \(Current\)$/, '')
  EditView.storage["theme"] = theme
  all_edit_views.each {|ev| ev.refresh_theme }
  Redcar.plugin_manager.objects_implementing(:theme_changed_update).each do |object|
    @cursor = object.theme_changed_update
  end
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 460

def self.themes
  @themes ||= []
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 157

def self.toolbars
  ToolBar::Builder.build do
    item "Cut", :command => Redcar::Top::CutCommand, :icon => File.join(Redcar.icons_directory, "scissors-blue.png"), :barname => :edit
    item "Copy", :command => Redcar::Top::CopyCommand, :icon => File.join(Redcar.icons_directory, "blue-document-copy.png"), :barname => :edit
    item "Paste", :command => Redcar::Top::PasteCommand, :icon => File.join(Redcar.icons_directory, "clipboard.png"), :barname => :edit
  end
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 636

def add_annotation_type(name, image, rgb)
  controller.add_annotation_type(name, File.expand_path("#{image}.png", Redcar.icons_directory), rgb)
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 326

def backspace_pressed(modifiers)
  handle_key(EditView.all_backspace_handlers, modifiers)
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 664

def check_for_updated_document
  # awful forward dependency on the Project plugin here....
  if document and
        document.mirror and
        document.mirror.is_a?(Project::FileMirror) and
        document.mirror.changed_since?(@last_checked)
    if document.modified?
      result = Application::Dialog.message_box(
                 "This file has been changed on disc, and you have unsaved changes in Redcar.\n\n" +
                 "Revert to version on disc (and lose your changes)?",
                 :buttons => :yes_no
                )
      case result
      when :yes
        document.update_from_mirror
      end
    else
      document.update_from_mirror
    end
  end
  @last_checked = Time.now
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 330

def cmd_enter_pressed(modifiers)
  handle_key(EditView.all_cmd_enter_handlers, modifiers)
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 500

def create_document
  @document = Redcar::Document.new(self)
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 493

def create_history
  @history = Document::History.new(500)
  @history.subscribe do |action|
    document.controllers.each {|c| c.after_action(action) }
  end
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 699

def custom_character_handle(character)
  if method_call = OVERRIDDEN_CHARACTERS[character]
    send(*method_call)
  end
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 656

def delay_parsing
  controller.delay_parsing { yield }
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 322

def delete_pressed(modifiers)
  handle_key(EditView.all_delete_handlers, modifiers)
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 650

def deserialize(data)
  self.grammar       = data[:grammar]
  document.text      = data[:contents]
  self.cursor_offset = data[:cursor_offset]
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 310

def esc_pressed(modifiers)
  handle_key(EditView.all_esc_handlers, modifiers)
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 537

def exists?
  controller.exists?
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 533

def focus
  notify_listeners(:focussed)
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 513

def grammar
  @grammar
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 517

def grammar=(name)
  set_grammar(name)
  notify_listeners(:grammar_changed, name)
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 294

def handle_key(handlers, modifiers)
  sorted_handlers = handlers.sort_by {|h| (h.respond_to?(:priority) and h.priority) || 0 }.reverse
  sorted_handlers.detect do |h|
    begin
      h.handle(self, modifiers)
    rescue => e
      puts "*** Error in key handler: #{e.class} #{e.message}"
      puts e.backtrace.map {|l| " - " + l }
    end
  end
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 730

def inspect
  "#<Redcar::EditView document:#{document.inspect}>"
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 723

def invoke_action(action_symbol)
  unless invoke_overridden_action(action_symbol)
    notify_listeners(:invoke_action, action_symbol)
  end
  history.record(action_symbol)
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 717

def invoke_overridden_action(action_symbol)
  if handler = OVERRIDDEN_ACTIONS[action_symbol]
    handler.send(action_symbol.to_s.downcase, self)
  end
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 314

def left_pressed(modifiers)
  handle_key(EditView.all_arrow_left_handlers, modifiers)
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 585

def margin_column
  @margin_column
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 589

def margin_column=(val)
  @margin_column = val
  EditView.tab_settings.set_margin_column_for(grammar, val)
  notify_listeners(:margin_column_changed, val)
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 438

def refresh_font
  notify_listeners(:font_changed)
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 608

def refresh_show_invisibles
  @show_invisibles = EditView.tab_settings.show_invisibles?
  notify_listeners(:invisibles_changed, @show_invisibles)
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 626

def refresh_show_line_numbers
  @show_line_numbers = EditView.tab_settings.show_line_numbers?
  notify_listeners(:line_number_visibility_changed, @show_line_numbers)
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 464

def refresh_theme
  notify_listeners(:theme_changed)
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 660

def reset_last_checked
  @last_checked = Time.now
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 318

def right_pressed(modifiers)
  handle_key(EditView.all_arrow_right_handlers, modifiers)
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 644

def serialize
  { :contents      => document.to_s,
    :cursor_offset => cursor_offset,
    :grammar       => grammar         }
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 522

def set_grammar(name)
  @grammar = name
  self.tab_width     = EditView.tab_settings.width_for(name)
  self.soft_tabs     = EditView.tab_settings.softness_for(name)
  self.word_wrap     = EditView.tab_settings.word_wrap_for(name)
  self.margin_column = EditView.tab_settings.margin_column_for(name)
  self.show_margin   = EditView.tab_settings.show_margin_for(name)
  refresh_show_invisibles
  refresh_show_line_numbers
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 551

def set_tab_width(val)
  @tab_width = val
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 595

def show_invisibles?
  @show_invisibles
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 613

def show_line_numbers?
  @show_line_numbers
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 569

def show_margin=(bool)
  @show_margin = bool
  EditView.tab_settings.set_show_margin_for(grammar, bool)
  notify_listeners(:show_margin_changed, bool)
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 565

def show_margin?
  @show_margin
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 559

def soft_tabs=(bool)
  @soft_tabs = bool
  EditView.tab_settings.set_softness_for(grammar, bool)
  notify_listeners(:softness_changed, bool)
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 555

def soft_tabs?
  @soft_tabs
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 306

def tab_pressed(modifiers)
  handle_key(EditView.all_tab_handlers, modifiers)
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 541

def tab_width
  @tab_width
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 545

def tab_width=(val)
  @tab_width = val
  EditView.tab_settings.set_width_for(grammar, val)
  notify_listeners(:tab_width_changed, val)
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 640

def title=(title)
  notify_listeners(:title_changed, title)
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 692

def type_character(character)
  unless custom_character_handle(character)
    notify_listeners(:type_character, character)
  end
  history.record(character)
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 579

def word_wrap=(bool)
  @word_wrap = bool
  EditView.tab_settings.set_word_wrap_for(grammar, bool)
  notify_listeners(:word_wrap_changed, bool)
end

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# File 'plugins/edit_view/lib/edit_view.rb', line 575

def word_wrap?
  @word_wrap
end