Class: VimMate::ListedDirectory

Inherits:
ListedFile show all
Includes:
Enumerable
Defined in:
lib/vimmatelib/files.rb

Overview

A directory within the tree. Can contain files and other directories.

Instance Attribute Summary

Attributes inherited from ListedFile

#name, #parent, #path

Instance Method Summary collapse

Methods inherited from ListedFile

#icon, #status_text

Constructor Details

#initialize(path, exclude_file_list, parent = nil, &block) ⇒ ListedDirectory

Create a ListedDirectory from a path and an optional parent. A block must be passed so it can be called to signal changes.



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# File 'lib/vimmatelib/files.rb', line 114

def initialize(path, exclude_file_list, parent = nil, &block)
  super(path, parent, &block)
  @files = Set.new
  @exclude_file_list = exclude_file_list
  refresh
end

Instance Method Details

#each(&block) ⇒ Object

Yield each files and directory within this directory



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# File 'lib/vimmatelib/files.rb', line 122

def each(&block)
  @files.each(&block)
  self
end

#icon_type ⇒ Object

The type of icon to use



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# File 'lib/vimmatelib/files.rb', line 167

def icon_type
  :folder
end

#refresh ⇒ Object

Refresh the files from this directory. If it doesn’t exist, the file is removed. If it didn’t exist before, the file is added.



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# File 'lib/vimmatelib/files.rb', line 129

def refresh
  super
  # Find files to remove
  files_to_remove = Set.new
  all_paths = Set.new
  each do |file|
    file.refresh
    if File.exist? file.path
      all_paths << file.path
    else
      files_to_remove << file
      @tree_signal.call(:remove, file)
    end
  end
  @files -= files_to_remove

  # Find files to add
  begin
    Dir.foreach(@path) do |file|
      # Skip hidden files
      next if file =~ /^\./
      path = File.join(@path, file)
      next if @exclude_file_list.any? {|f| path[-(f.size+1)..-1] == "/#{f}" }
      # Skip files that we already have
      next if all_paths.include? path
      # Add the new file
      @files << if File.directory? path
                  ListedDirectory.new(path, @exclude_file_list, self, &@tree_signal)
                else
                  ListedFile.new(path, self, &@tree_signal)
                end
    end
  rescue Errno::ENOENT
  end
  self
end