Class: CopyElement

Inherits:

ValueElement

• Object
• Element
• ValueElement
• CopyElement

Defined in:

lib/fxmlloader/real_elts.rb

Overview

Element representing a copy

Instance Attribute Summary

• #source ⇒ Object

  Returns the value of attribute source.

Attributes inherited from ValueElement

#fx_id

Attributes inherited from Element

#current, #eventHandlerAttributes, #instancePropertyAttributes, #lineNumber, #loadListener, #parent, #parentLoader, #staticPropertyAttributes, #staticPropertyElements, #value, #valueAdapter, #xmlStreamReader

Instance Method Summary

• #constructValue ⇒ Object
• #processAttribute(prefix, localName, value) ⇒ Object

Methods inherited from ValueElement

#getListValue, #processCharacters, #processEndElement, #processStartElement, #processValue

Methods inherited from Element

#add, #addEventHandler, #applyProperty, #callz, #getProperties, #getValueAdapter, #initialize, #isBidirectionalBindingExpression, #isBindingExpression, #isCollection, #isTyped, #populateArrayFromString, #populateListFromString, #processCharacters, #processEndElement, #processEventHandlerAttributes, #processInstancePropertyAttributes, #processPropertyAttribute, #processStartElement, #processValue3, #resolvePrefixedValue, #set, #staticLoad, #updateValue, #warnDeprecatedEscapeSequence

Constructor Details

This class inherits a constructor from Element

Instance Attribute Details

#source ⇒ Object

Returns the value of attribute source.

# File 'lib/fxmlloader/real_elts.rb', line 293

def source
  @source
end

Instance Method Details

#constructValue ⇒ Object

# File 'lib/fxmlloader/real_elts.rb', line 313

def constructValue()
  if (source == nil)
    raise LoadException.new(FXL::COPY_SOURCE_ATTRIBUTE + " is required.");
  end

  path = KeyPath.parse(source);
  if (!Expression.isDefined(namespace, path))
    raise LoadException.new("Value \"" + source + "\" does not exist.");
  end

  sourceValue = Expression.get(namespace, path);
  sourceValueType = sourceValue.java_class();

  constructor = nil;
  begin
    constructor = ConstructorUtil.getConstructor(sourceValueType, [sourceValueType]);
  rescue NoSuchMethodException => exception
    # No-op
  end

  value=nil
  if (constructor != nil)
    begin
      #TODO: try to do evil things here
      ReflectUtil.checkPackageAccess(sourceValueType);
      value = constructor.newInstance(sourceValue);
    rescue InstantiationException => exception
      raise LoadException.new(exception);
    rescue IllegalAccessException => exception
      raise LoadException.new(exception);
    rescue InvocationTargetException => exception
      raise LoadException.new(exception);
    end
  else
    raise LoadException.new("Can't copy value " + sourceValue + ".");
  end

  return value;
end

#processAttribute(prefix, localName, value) ⇒ Object

# File 'lib/fxmlloader/real_elts.rb', line 296

def processAttribute(prefix,  localName,  value)

  if (prefix == nil)
    if (localName == (FXL::COPY_SOURCE_ATTRIBUTE))
      if (loadListener != nil)
        loadListener.readInternalAttribute(localName, value);
      end

      @source = value;
    else
      super(prefix, localName, value);
    end
  else
    super(prefix, localName, value);
  end
end