Class: Application

Inherits:
Object
  • Object
show all
Extended by:
EventBus
Includes:
Configurable, Persistable
Defined in:
lib/a-commons.rb

Direct Known Subclasses

TkApplication

Defined Under Namespace

Classes: ApplicationParams

Class Method Summary collapse

Instance Method Summary collapse

Methods included from EventBus

attach_listener, broadcast_event, detach_listener, process_event

Methods included from Persistable

#append_persistent_property, #override_persistent

Methods included from Configurable

#make_value, #properties_file2hash, properties_group, #resolve_link, #resolve_properties_link

Constructor Details

#initialize(_ap = ApplicationParams.new) {|_self| ... } ⇒ Application

Returns a new instance of Application.

Yields:

  • (_self)

Yield Parameters:

  • _self (Application) —

    the object that the method was called on



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# File 'lib/a-commons.rb', line 717

def initialize(_ap=ApplicationParams.new)
  @@instance = self
  eval('$'+_ap.name+'=self') # set $arcadia to this instance
  publish('applicationParams', _ap)
  publish(_ap.name,self)
  @first_run = false
  self['applicationParams'].persistent_file = File.join(local_dir, self['applicationParams'].name+'.pers')
  if !File.exists?(self['applicationParams'].persistent_file)
    File.new(self['applicationParams'].persistent_file, File::CREAT).close
  end
  # read in the settings'
  publish('conf', properties_file2hash(self['applicationParams'].config_file)) if self['applicationParams'].config_file
  publish('origin_conf', Hash.new.update(self['conf'])) if self['conf']
  publish('local_conf', Hash.new)
  publish('conf_without_local', Hash.new.update(self['conf'])) if self['conf']
  publish('pers', properties_file2hash(self['applicationParams'].persistent_file)) if self['applicationParams'].persistent_file
  yield(self) if block_given?
end

Class Method Details

.conf(_property) ⇒ Object 



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# File 'lib/a-commons.rb', line 740

def Application.conf(_property)
 @@instance['conf'][_property] if @@instance
end

.conf_group(_group, _suff = 'conf') ⇒ Object 



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# File 'lib/a-commons.rb', line 752

def Application.conf_group(_group, _suff = 'conf')
  group_key="#{_hash_suff}.#{_group}"
  @@conf_groups = Hash.new if !defined?(@@conf_groups)
  if @@conf_groups[group_key].nil?
    @@conf_groups[group_key] = Hash.new
    glen=_group.length
    @@instance['conf'].keys.sort.each{|k|
      if k[0..glen] == "#{_group}."
        @@conf_groups[group_key][k[glen+1..-1]]=@@instance['conf'][k]
      elsif @@conf_groups[group_key].length > 0
        break
      end
    }
  end
  @@conf_groups[_group]
end

.del_conf(_k) ⇒ Object 



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# File 'lib/a-commons.rb', line 778

def Application.del_conf(_k)
  @@instance['conf'].delete(_k)
end

.del_conf_group(_conf_hash, _group) ⇒ Object 



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# File 'lib/a-commons.rb', line 769

def Application.del_conf_group(_conf_hash, _group)
    glen=_group.length
    _conf_hash.keys.sort.each{|k|
      if k[0..glen] == "#{_group}."
        _conf_hash.delete(k)
      end
    }
end

.instance ⇒ Object 



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# File 'lib/a-commons.rb', line 736

def Application.instance
  @@instance
end

.sys_info ⇒ Object 



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# File 'lib/a-commons.rb', line 748

def Application.sys_info
  "[Platform = #{RUBY_PLATFORM}]\n[Ruby version = #{RUBY_VERSION}]"
end

Instance Method Details

#[](_name) ⇒ Object 



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# File 'lib/a-commons.rb', line 892

def [](_name)
  if @objs[_name]
    return @objs[_name]
  else
    return nil
    #raise RuntimeError, "resurce '"+_name+"' unavabled ", caller
  end
end

#[]=(_name, _value) ⇒ Object 



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# File 'lib/a-commons.rb', line 901

def []=(_name, _value)
  @objs[_name] = _value
#    if @objs[_name]
#      @objs[_name] = _value
#    end
end

#conf(_property) ⇒ Object 



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# File 'lib/a-commons.rb', line 744

def conf(_property)
 self['conf'][_property]
end

#create(_name, _class) ⇒ Object 



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# File 'lib/a-commons.rb', line 884

def create(_name, _class)
  register(_name,_class.new)
end

#load_local_config(_create_if_not_exist = true) ⇒ Object

this method load config file from local directory for personalizations



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# File 'lib/a-commons.rb', line 824

def load_local_config(_create_if_not_exist=true)
    if FileTest.exist?(local_file_config)
      self['local_conf']= self.properties_file2hash(local_file_config)
      self['conf'].update(self['local_conf'])
    elsif _create_if_not_exist
      if FileTest.writable?(local_dir)
        f = File.new(local_file_config, "w")
        begin
          if f
            p = self['conf']
            if p
              p.keys.sort.each{|key|
                f.syswrite('#'+key+'='+self['conf'][key]+"\n")
              }
            end
          end
        ensure
          f.close unless f.nil?
        end
      else
        msg = "Locad dir "+'"'+local_dir+'"'+" must be writable!"
        Arcadia.dialog(self, 'type'=>'ok','title' => '(Arcadia)', 'msg' => msg, 'level'=>'error')
        exit
      end
    end
end

#load_theme(_name = nil) ⇒ Object 



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# File 'lib/a-commons.rb', line 851

def load_theme(_name=nil)
  _theme_file = "conf/theme-#{_name}.conf" if !_name.nil?
  if _theme_file && File.exist?(_theme_file)
    self['conf_theme'] = self.properties_file2hash(_theme_file)
    self['conf'].update(self['conf_theme'])
    self['conf_without_local'].update(self['conf_theme'])
    _theme_res_file = "#{Dir.pwd}/conf/theme-#{_name}.res.rb"
    if _theme_res_file && File.exist?(_theme_res_file)
      begin
        require _theme_res_file
      rescue Exception => e  
      end

    end
  end  
end

#local_dir ⇒ Object 



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# File 'lib/a-commons.rb', line 868

def local_dir
  home = File.expand_path '~'
  _local_dir = File.join(home,'.'+self['applicationParams'].name) if home
  if _local_dir && !File.exist?(_local_dir)
    if FileTest.exist?(home)
      Dir.mkdir(_local_dir)
      @first_run = true
    else
      msg = "Local dir "+'"'+home+'"'+" must be writable!"
      Arcadia.dialog(self, 'type'=>'ok', 'title' => "(#{self['applicationParams'].name})", 'msg' => msg, 'level'=>'error')
      exit
    end
  end
  return _local_dir
end

#local_file_config ⇒ Object 



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# File 'lib/a-commons.rb', line 794

def local_file_config
  File.join(local_dir, File.basename(self['applicationParams'].config_file))
end

#objects(_name) ⇒ Object 



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# File 'lib/a-commons.rb', line 888

def objects(_name)
  return @objs[_name]
end

#prepare ⇒ Object 



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# File 'lib/a-commons.rb', line 782

def prepare
end

#publish(_name, _obj) ⇒ Object 



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# File 'lib/a-commons.rb', line 785

def publish(_name, _obj)
  @objs = Hash.new if !defined?(@objs)
  if @objs[_name] == nil
    @objs[_name] = _obj
  else
    raise("The name #{_name} already exist")
  end
end

#run ⇒ Object 



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# File 'lib/a-commons.rb', line 909

def run
end

#update_local_config ⇒ Object 



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# File 'lib/a-commons.rb', line 798

def update_local_config
    # local_dir is ~/arcadia
    if FileTest.exist?(local_file_config)
      if FileTest.writable?(local_dir)
        f = File.new(local_file_config, "w")
        begin
          if f
            properties = self['conf']
            if properties
              properties.keys.sort.each{|key|
                if self['conf_without_local'][key] == self['conf'][key] || (self['origin_conf'][key] && self['origin_conf'][key].include?('>>>')) # || self['local_conf'][key].nil?
                  f.syswrite("# #{key}=#{self['origin_conf'][key]}\n") # write it as a comment since it isn't a real change
                elsif self['conf'][key]
                  f.syswrite("#{key}=#{self['conf'][key]}\n")
                end
              }
            end
          end
        ensure
          f.close unless f.nil?
        end
      end
    end
end