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

#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 595

def initialize(_ap=ApplicationParams.new)
  @@instance = self
  eval('$'+_ap.name+'=self')
  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
  publish('conf', properties_file2hash(self['applicationParams'].config_file)) if self['applicationParams'].config_file
  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 614

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

.conf_group(_group) ⇒ Object 



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# File 'lib/a-commons.rb', line 622

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

.instance ⇒ Object 



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# File 'lib/a-commons.rb', line 610

def Application.instance
  @@instance
end

Instance Method Details

#[](_name) ⇒ Object 



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

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

#[]=(_name, _value) ⇒ Object 



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# File 'lib/a-commons.rb', line 725

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

#create(_name, _class) ⇒ Object 



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# File 'lib/a-commons.rb', line 709

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 652

def load_local_config(_create_if_not_exist=true)
    local_file_config = File.join(local_dir,File.basename(self['applicationParams'].config_file))
    if FileTest.exist?(local_file_config)
      self['conf'].update(self.properties_file2hash(local_file_config))
    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 679

def load_theme(_name=nil)
  _theme_file = "conf/theme-#{_name}.conf" if !_name.nil?
  if _theme_file && File.exist?(_theme_file)
    self['conf'].update(self.properties_file2hash(_theme_file))
    _theme_res_file = "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 694

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

#objects(_name) ⇒ Object 



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# File 'lib/a-commons.rb', line 713

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

#prepare ⇒ Object 



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# File 'lib/a-commons.rb', line 639

def prepare
end

#publish(_name, _obj) ⇒ Object 



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# File 'lib/a-commons.rb', line 642

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 732

def run
end

#sys_info ⇒ Object 



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# File 'lib/a-commons.rb', line 618

def sys_info
  "[Platform = #{RUBY_PLATFORM}] [Ruby version = #{RUBY_VERSION}]"
end