Class: QtHeaderGenerator

Inherits:
GeneratorQtBase show all
Defined in:
lib/metarecord/generators/qt/header_generator.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from GeneratorQtBase

#get_type, #id_type, #nativeTypeNameFor, #null_id, super_class, super_class_include

Methods inherited from GeneratorBase

#_append, _use_by_files, _use_by_models, #get_classname, #get_pluralized_name, #get_singular_name, #get_type, #get_value, #id_type, #indent, #make_block, #null_id, prepare, #ptr_type, #should_generate_for, #should_generate_from_manifest, #should_skip_on_client?, sourcefile_to_destfile, #unindent, use

Class Method Details

.extension ⇒ Object 



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# File 'lib/metarecord/generators/qt/header_generator.rb', line 178

def extension ; ".h" ; end

.generate_includes ⇒ Object 



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# File 'lib/metarecord/generators/qt/header_generator.rb', line 182

def generate_includes
<<CPP
# include <#{super_class_include}>
# include <metarecord-qt/hasOne.h>
# ifdef METARECORD_WITH_QML
#  include <QQmlListProperty>
# endif
CPP
end

.is_file_based? ⇒ Boolean

Returns:



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# File 'lib/metarecord/generators/qt/header_generator.rb', line 180

def is_file_based? ; true ; end

.make_file(filename, data) ⇒ Object 



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# File 'lib/metarecord/generators/qt/header_generator.rb', line 192

def make_file filename, data
  file_define = "_#{filename[0...-3].upcase.gsub "/", "_"}_H"
  source = <<CPP
#ifndef  #{file_define}
# define #{file_define}
#{generate_includes}
#{collect_includes_for(filename, true).join "\n"}

#{data[:bodies].join "\n"}
#endif
CPP
end

Instance Method Details

#generate_constructor(object) ⇒ Object 



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# File 'lib/metarecord/generators/qt/header_generator.rb', line 45

def generate_constructor object
  @state = :constructor
  _append "#{@class_name}(QObject* parent = nullptr);"
end

#generate_for(object) ⇒ Object 



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# File 'lib/metarecord/generators/qt/header_generator.rb', line 13

def generate_for object
  reset
  @class_name = object[:name]
  @inherits = object[:inherits]
  _append "class #{@class_name} : public #{super_class}"
  make_block ['{', '};'] do
    generate_qobject object
    generate_transient_members unless @transients.empty?
    unindent do _append "public:" end
    generate_constructor object
    generate_methods object
    generate_signals object
    generate_members object
  end
  @src
end

#generate_members(object) ⇒ Object 



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# File 'lib/metarecord/generators/qt/header_generator.rb', line 62

def generate_members object
  @state = :members
  self.instance_eval &object[:block]
end

#generate_methods(object) ⇒ Object 



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# File 'lib/metarecord/generators/qt/header_generator.rb', line 50

def generate_methods object
  @state = :methods
  self.instance_eval &object[:block]
end

#generate_qobject(object) ⇒ Object 



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# File 'lib/metarecord/generators/qt/header_generator.rb', line 38

def generate_qobject object
  @state = :qproperty
  _append "Q_OBJECT"
  _append "Q_PROPERTY(#{id_type} uid READ getUid WRITE setUid NOTIFY uidChanged)"
  self.instance_eval &object[:block]
end

#generate_signals(object) ⇒ Object 



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# File 'lib/metarecord/generators/qt/header_generator.rb', line 67

def generate_signals object
  unindent do _append "Q_SIGNALS:" end
  @signals.each do |signal|
    _append "void #{signal}();"
  end
end

#generate_transient_members ⇒ Object 



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# File 'lib/metarecord/generators/qt/header_generator.rb', line 55

def generate_transient_members
  list = []
  macro = "METARECORD_VIRTUAL_PROPERTIES"
  _append "static const QStringList virtualPropertyNames;"
  _append "#{macro}(#{super_class}, virtualPropertyNames)"
end

#has_many(type, name, options = {}) ⇒ Object 



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# File 'lib/metarecord/generators/qt/header_generator.rb', line 130

def has_many type, name, options = {}
  qml_getter = "getQml#{name.camelcase}"
  getter = name.lower_camelcase
  setter = "set#{name.camelcase}"
  member_name = "m_#{name.lower_camelcase}"
  signal = "#{name}Changed"
  case @state
  when :qproperty
    @src += "# ifdef METARECORD_WITH_QML\n"
    _append "Q_PROPERTY(QQmlListProperty<#{type}> #{name} READ #{qml_getter} NOTIFY #{signal})"
    @src += "# endif\n"
    @signals << signal
  when :constructor
    _append "registerRelationship(\"#{name}\", #{name});"
  when :methods
    _append "const QList<#{type}*>& #{getter}() const { return #{member_name}; }"
    _append "void #{setter}(const QList<#{type}*>&);"
    @src += "# ifdef METARECORD_WITH_QML\n"
    _append "Q_INVOKABLE QQmlListProperty<#{type}> #{qml_getter}() { return QQmlListProperty<#{type}>(this, &#{member_name}); }"
    @src += "# endif\n"
  when :members
    _append "QList<#{type}*> #{member_name};"
  end
end

#has_one(type, name, options = {}) ⇒ Object 



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# File 'lib/metarecord/generators/qt/header_generator.rb', line 107

def has_one type, name, options = {}
  id_name = "#{name.lower_camelcase}Id"
  getter = name.lower_camelcase
  setter = "set#{name.camelcase}"
  signal = "#{name}Changed"
  member_name = "m_#{name.lower_camelcase}"
  case @state
  when :qproperty
    _append "Q_PROPERTY(#{id_type} #{id_name} MEMBER m_#{id_name} NOTIFY #{signal})"
    _append "Q_PROPERTY(#{type.gsub! /^::/, ''}* #{name} READ #{getter} WRITE #{setter} NOTIFY #{signal})"
    @transients << name
    @signals << signal
  when :constructor
    _append "connect(this, #{@class_name}::#{signal}, this, #{@class_name}::attributeChanged);"
  when :methods
    _append "#{type}* #{getter}() const { return #{member_name}; }"
    _append "METARECORD_MODEL_SETTER_BY_COPY_WITH_SIGNAL(#{type}, #{member_name}, #{setter}, #{signal})"
  when :members
    _append "#{id_type} m_#{id_name} = #{null_id};"
    _append "#{type}* #{member_name} = nullptr;"
  end
end

#order_by(name, flow = nil) ⇒ Object 



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# File 'lib/metarecord/generators/qt/header_generator.rb', line 169

def order_by name, flow = nil
  flow_value = if flow == :desc then -1 else 1 end
  case @state
  when :methods
    _append "static QPair<QByteArray, int> orderedBy() { return {#{name.to_s.inspect}, #{flow_value}}; }"
  end
end

#property(type, name, options = {}) ⇒ Object 



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# File 'lib/metarecord/generators/qt/header_generator.rb', line 74

def property type, name, options = {}
  property_type = type.to_property_type(self)
  type = property_type.name
  member = "m_#{name.lower_camelcase}"
  member = options[:qt][:member] if options[:qt] && options[:qt][:member]
  getter = name.lower_camelcase
  setter = "set#{name.camelcase}"
  signal = "#{name.lower_camelcase}Changed"
  case @state
  when :qproperty
    _append "Q_PROPERTY(#{type} #{name} READ #{getter} WRITE #{setter} NOTIFY #{signal})"
    @transients << name if options[:db] && options[:db][:transient]
    @signals << signal
  when :members
    if options[:qt].nil? || options[:qt][:member].nil?
      if options[:default].nil?
        _append "#{type} #{member};"
      else
        _append "#{type} #{member} = #{get_value options[:default]};"
      end
    end
  when :methods
    getter_options = if options[:qt] && options[:qt][:getter] then options[:qt][:getter] else {} end
    setter_options = if options[:qt] && options[:qt][:setter] then options[:qt][:setter] else {} end
    getter_type = property_type.parameter_type getter_options
    setter_type = property_type.parameter_type setter_options
    getter_override = if getter_options[:override] then " override" else "" end
    setter_override = if setter_options[:override] then " override" else "" end
    _append "virtual #{getter_type} #{getter}() const#{getter_override};"
    _append "virtual void #{setter}(#{setter_type} _value)#{setter_override};"
  end
end

#reset ⇒ Object 



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# File 'lib/metarecord/generators/qt/header_generator.rb', line 4

def reset
  super
  @state = nil
  @relations = {}
  @fields = []
  @transients = []
  @signals = []
end

#resource_name(name) ⇒ Object 



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# File 'lib/metarecord/generators/qt/header_generator.rb', line 162

def resource_name name
  case @state
  when :methods
    _append "static QByteArray resourceName() { return #{name.to_s.inspect}; }"
  end
end

#super_class ⇒ Object 



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# File 'lib/metarecord/generators/qt/header_generator.rb', line 30

def super_class
  if @inherits.nil?
    self.class.super_class
  else
    @inherits
  end
end

#visibility(name) ⇒ Object 



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# File 'lib/metarecord/generators/qt/header_generator.rb', line 155

def visibility name
  case @state
  when :members
    @src += name.to_s + ":\n"
  end
end