New Xmp Manager code base

README

@@ -1 +1,7 @@
 see: http://grigio.org/xmp_manager
+
+Regenerate the UI
+------------------
+Xmp Manager uses Gtk::Builder, but Glade doesn't support it natively so you need to regenerate the Gtk GUI everytime you do a change:
+
+$ gtk-builder-convert data/xmpmanager/nautilus-xmp-manager.glade data/xmpmanager/nautilus-xmp-manager.ui

Rakefile

@@ -0,0 +1,15 @@
+$:.unshift(File.join(File.dirname(__FILE__), 'lib'))
+require 'rubygems'
+require 'spec/version'
+require 'spec/rake/spectask'
+
+desc "Run all specs"
+Spec::Rake::SpecTask.new do |t|
+  t.spec_files = FileList['spec/**/*_spec.rb']
+  t.spec_opts = ['--options', 'spec/spec.opts']
+end
+
+task :RegenerateUi do
+  puts "Regenerate the Gtk GUI"
+  system 'gtk-builder-convert data/xmpmanager/nautilus-xmp-manager.glade data/xmpmanager/nautilus-xmp-manager.ui'
+end

lib/xmpmanager/backend/exiftool.rb

@@ -0,0 +1,65 @@
+# XMP Manager is a GUI to easly write XMP Metadata and tags on files
+# 
+# Copyright (C) 2007 Luigi Maselli <luigix_@t_gmail_com>
+#
+# This program is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation; either version 2, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+# details.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
+# St, Fifth Floor, Boston, MA 02110-1301 USA
+
+module XmpManager
+
+module Exiftool
+  EXIFTOOL = "/usr/bin/exiftool"
+
+  def load_fields(path)
+    fields = {}
+    command = "|#{EXIFTOOL} #{path} -xmp:all"
+    puts ">> #{command}" if DEBUG
+    cmd = open(command)
+	  while (temp = cmd.gets)
+		  key, value = parse_line(temp)
+		  fields[key] = value unless key.nil?
+	  end
+	  cmd.close
+	  fields
+  end  
+
+  def save
+    field_list = ''
+    fields.each do |field, value|
+      unless field == 'subject'
+        field_list << " -xmp:#{field}=\"#{value}\""
+      else
+        tags = value.split(", ")
+        tags.each {|tag| field_list << " -xmp:#{field}=\"#{tag}\""}
+      end
+	  end
+	  command = "#{EXIFTOOL} #{path} #{field_list} -overwrite_original_in_place"
+	  puts ">> #{command}" if DEBUG
+	  cmd = system command
+  end
+  # --
+
+  private
+
+	def parse_line(line)
+		# "Country                         : italia".downcase.strip
+		key, value = line.split(': ') unless line.nil?
+		return nil, nil if key.nil? || value.nil?
+		key.downcase!.gsub!(' ','').gsub!("/",'_') # To generate valid methods in Selection
+		value[-1]='' #remove a capo
+		return key, value
+	end
+
+end
+
+end

lib/xmpmanager/file.rb

@@ -0,0 +1,59 @@
+# XMP Manager is a GUI to easly write XMP Metadata and tags on files
+# 
+# Copyright (C) 2007 Luigi Maselli <luigix_@t_gmail_com>
+#
+# This program is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation; either version 2, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+# details.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
+# St, Fifth Floor, Boston, MA 02110-1301 USA
+
+require 'xmpmanager/backend/exiftool'
+
+module XmpManager
+
+class File
+  # backend specific methods
+  include XmpManager::Exiftool
+
+  def initialize(path)
+    @path = path
+    @field = load_fields(path)
+  end
+
+  def path
+    @path
+  end
+
+  def field
+    @field
+  end
+  alias_method :fields, :field
+
+  # is selection? TODO: write tag?
+  def tags
+    @field['subject'].split(', ').sort
+  end
+
+  def reload!
+
+  end
+
+#  def save
+#    
+#  end
+
+
+  #private
+
+
+end
+
+end

lib/xmpmanager/selection.rb

@@ -0,0 +1,133 @@
+# XMP Manager is a GUI to easly write XMP Metadata and tags on files
+# 
+# Copyright (C) 2007 Luigi Maselli <luigix_@t_gmail_com>
+#
+# This program is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation; either version 2, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+# details.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
+# St, Fifth Floor, Boston, MA 02110-1301 USA
+
+require 'xmpmanager/file'
+
+module XmpManager
+
+class Selection
+  # backend specific methods
+  include XmpManager::Exiftool
+
+  def initialize(*paths)
+    # clean *paths ARGV ?
+    *paths = 'spec/images/write-tests/a.jpg', 'spec/images/write-tests/b.jpg' if DEBUG
+    @files = load_files(*paths) # return a File Array
+    @field, @status, @tags = {}, {}, {}
+    #@field, @status, @tags = 
+    load_selection # from @files
+    load_dynamic_methods
+    #load_dynamic_methods
+    #load_template # common fields
+  end
+
+  def field(key = nil)
+    if key.nil?
+      @field
+    else
+      @field[key]
+    end
+  end  
+  alias_method :fields, :field
+
+  # Old style method *not dynamic*
+  def field_set(key, value)
+      @field[key] = value
+  end  
+
+  # it takes the intersection of common tags
+  def tags
+    @tags.keys.sort
+  end
+
+  def tag_add(tag)
+    @tags[tag] = true
+  end
+
+  def tag_del(tag)
+    @tags[tag] = false
+  end
+
+  def tag_status(tag)
+    @tags[tag]
+  end
+
+  def status(key)
+    @status[key]
+  end
+
+  def save
+    @files.each do |file|
+      @field.each do |key, value|
+        file.field[key] = value
+      end
+
+      tags_to_write = ""
+      @tags.each{|key, value| tags_to_write << key+", "} #TODO: fix inconsistencies
+      file.field['subject'] = tags_to_write
+
+      file.save
+    end
+  end
+
+  private
+
+  def load_files(*paths)
+    files = []
+    paths.each do |path| 
+      files << XmpManager::File.new(path)
+    end
+    files
+  end
+
+  def load_selection
+    # load default fields FIXME: move to template
+    @field.merge! 'description' => '', 'author' => '', 'rights' => ''
+    # load data
+    @files.each do |file|
+       @field.merge! file.fields
+    end
+    # load tags #FIXME: nil false true
+    @files.each do |file|
+      file.tags.each do |tag|
+        @tags.merge! tag => true
+      end
+    end
+  end
+
+  def load_dynamic_methods
+    # TODO: changed? false
+    # ex. sel.title, sel.title = <value>, sel.title_changed?
+    @field.each_key do |key|
+      eval <<-STR
+        def #{key}=(value)
+          unless value.empty?
+            @field['#{key}'] = value
+            @status['#{key}'] = true
+          else
+            @status['#{key}'] = false
+          end
+        end
+        def #{key};  @field['#{key}']; end
+        def #{key}_changed?;  @status['#{key}']; end
+      STR
+    end
+  end
+
+end
+
+end