Class: Fugit::IndexList

Inherits:
Panel
  • Object
show all
Defined in:
lib/fugit/index_list.rb

Instance Method Summary collapse

Constructor Details

#initialize(parent) ⇒ IndexList

Returns a new instance of IndexList.



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# File 'lib/fugit/index_list.rb', line 6

def initialize(parent)
  super(parent, ID_ANY)

  @index = TreeCtrl.new(self, ID_ANY, nil, nil, TR_MULTIPLE|TR_HIDE_ROOT|TR_FULL_ROW_HIGHLIGHT|TR_NO_LINES)

  imagelist = ImageList.new(16, 16)
  imagelist << get_icon("asterisk_yellow.png")
  imagelist << get_icon("tick.png")
  imagelist << get_icon("script_add.png")
  imagelist << get_icon("script_edit.png")
  imagelist << get_icon("script_delete.png")
  imagelist << get_icon("script.png")
  @index.set_image_list(imagelist)

  root = @index.add_root("root")
  @unstaged = @index.append_item(root, "Unstaged", 0)
  @staged = @index.append_item(root, "Staged", 1)
  @index.set_item_bold(@unstaged)
  @index.set_item_bold(@staged)

  @unstaged_menu = Menu.new
  @menu_stage_file = @unstaged_menu.append('Stage file')
  @menu_revert_changes = @unstaged_menu.append('Revert changes')
  @staged_menu = Menu.new
  @menu_unstage_file = @staged_menu.append('Unstage file')
  evt_menu(@menu_stage_file, :on_menu_stage_file)
  evt_menu(@menu_revert_changes, :on_menu_revert_changes)
  evt_menu(@menu_unstage_file, :on_menu_stage_file)
  evt_tree_item_menu(@index.get_id, :on_menu_request)

  box = BoxSizer.new(VERTICAL)
  box.add(@index, 1, EXPAND)
  self.set_sizer(box)

  evt_tree_sel_changed(@index.get_id, :on_click)
  evt_tree_item_activated(@index.get_id, :on_double_click)

  evt_tree_item_collapsing(@index.get_id) {|event| event.veto}

  register_for_message(:refresh) {update_tree if is_shown_on_screen}
  register_for_message(:branch_checkout) {update_tree if is_shown_on_screen}
  register_for_message(:commit_saved, :update_tree)
  register_for_message(:index_changed, :update_tree)
  register_for_message(:tab_switch, :update_tree)
  register_for_message(:exiting) {self.hide} # Things seem to run smoother if we hide before destruction

  update_tree
end

Instance Method Details

#on_click(event) ⇒ Object 



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# File 'lib/fugit/index_list.rb', line 116

def on_click(event)
  #~ @staged.deselect(-1) # Clear the other box's selection

  i = event.get_item
  return if i == 0 || !self.enabled?

  if i == @unstaged || i == @staged || @index.get_selections.size != 1
    send_message(:diff_clear)
  else
    set_diff(*@index.get_item_data(i))
  end
end

#on_double_click(event) ⇒ Object 



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# File 'lib/fugit/index_list.rb', line 130

def on_double_click(event)
  i = event.get_item
  unless i == @unstaged || i == @staged
    process_staging(*@index.get_item_data(i))
  end
end

#on_menu_request(event) ⇒ Object 



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# File 'lib/fugit/index_list.rb', line 160

def on_menu_request(event)
  i = event.get_item
  @menu_data = nil
  unless [@root, @staged, @unstaged].include?(i)
    @menu_data = @index.get_item_data(i)
    @menu_revert_changes.enable(@menu_data[1] != :new)
    @index.popup_menu(@menu_data[2] == :staged ? @staged_menu : @unstaged_menu)
  end
end

#on_menu_revert_changes(event) ⇒ Object 



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# File 'lib/fugit/index_list.rb', line 174

def on_menu_revert_changes(event)
  @confirm_revert ||= MessageDialog.new(self, "Are you sure you want to revert these changes?\nThe changes will be lost, this cannot be undone.", "Confirm revert", YES_NO|ICON_EXCLAMATION)

  if @confirm_revert.show_modal == ID_YES
    diff = `git diff -- "#{@menu_data[0]}"`
    diff_file = File.join(Dir.pwd, ".git", "fugit_partial.diff")
    File.open(diff_file, "wb") {|f| f << diff} # Write out in binary mode to preserve newlines, otherwise git freaks out
    `git apply --reverse .git/fugit_partial.diff`
    File.delete(diff_file)

    send_message(:index_changed)
  end
end

#on_menu_stage_file(event) ⇒ Object 



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# File 'lib/fugit/index_list.rb', line 170

def on_menu_stage_file(event)
  process_staging(*@menu_data) if @menu_data
end

#process_staging(file, change, status) ⇒ Object 



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# File 'lib/fugit/index_list.rb', line 188

def process_staging(file, change, status)
  case status
  when :unstaged
    case change
    when :deleted
      `git rm --cached "#{file}" 2>&1`
    else
      `git add "#{file}" 2>&1`
    end
  when :staged
    `git reset "#{file}" 2>&1`
  end

  send_message(:index_changed)
end

#set_diff(file, change, status) ⇒ Object 



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# File 'lib/fugit/index_list.rb', line 137

def set_diff(file, change, status)
  case status
  when :unstaged
    case change
    when :new
      if File.directory?(file)
        send_message(:diff_raw, "Git repo\n\nNote that staging with fugit will stage the files inside the repo,\nit will *not* add a git-submodule.")
      else
        val = File.read(file)
        send_message(:diff_raw, val)
      end
    when :modified, :deleted
      val = `git diff -- "#{file}"`
      send_message(:diff_set, val, :unstaged)
    else
      send_message(:diff_clear)
    end
  when :staged
    val = `git diff --cached -- "#{file}"`
    send_message(:diff_set, val, :staged)
  end
end

#update_tree ⇒ Object 



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# File 'lib/fugit/index_list.rb', line 56

def update_tree()
  self.disable

  others = `git ls-files --others --exclude-standard`
  deleted = `git ls-files --deleted`
  modified = `git ls-files --modified`
  staged = `git ls-files --stage`
  last_commit = `git ls-tree -r HEAD`

  committed = {}
  last_commit.split("\n").map do |line|
    (info, file) = line.split("\t")
    sha = info.match(/[a-f0-9]{40}/)[0]
    committed[file] = sha
  end

  deleted = deleted.split("\n")
  staged = staged.split("\n").map do |line|
    (info, file) = line.split("\t")
    sha = info.match(/[a-f0-9]{40}/)[0]
    [file, sha]
  end
  committed.each_pair do |file, sha|
    staged << [file, ""] unless staged.assoc(file)
  end
  staged.reject! {|file, sha| committed[file] == sha}

  @index.hide
  selection = @index.get_selections.map {|i| @index.get_item_data(i)}
  @index.delete_children(@unstaged)
  @index.delete_children(@staged)

  others.split("\n").each {|file| @index.append_item(@unstaged, file, 2, -1, [file, :new, :unstaged])}
  modified.split("\n").each {|file| @index.append_item(@unstaged, file, 3, -1, [file, :modified, :unstaged]) unless deleted.include?(file)}
  deleted.each {|file| @index.append_item(@unstaged, file, 4, -1, [file, :deleted, :unstaged])}
  staged.each {|file, sha| @index.append_item(@staged, file, 5, -1, [file, :modified, :staged])}

  @index.sort_children(@unstaged)
  @index.sort_children(@staged)
  @index.select_item(@unstaged, false)
  @index.select_item(@staged, false)

  to_select = []
  @index.each {|i| to_select << i if selection.include?(@index.get_item_data(i))}
  to_select.each {|i| @index.select_item(i)}
  if to_select.size == 1
    set_diff(*@index.get_item_data(to_select[0]))
  else
    send_message(:diff_clear)
  end

  @index.expand_all
  @index.ensure_visible(to_select.empty? ? @unstaged : to_select[0])
  @index.set_scroll_pos(HORIZONTAL, 0)
  @index.show
  self.enable
  self.set_focus unless to_select.size == 1
end