Class: Context::View

Inherits:

Object

• Object
• Context::View

Defined in:

lib/Context/View.rb

Overview

This is the abstract view class

Direct Known Subclasses

PageView, JLDrill::DisplayProblemContext::ProblemView, JLDrill::DisplayProblemContext::ProblemView::ItemHintView, JLDrill::DisplayQuizStatusContext::QuizStatusView, JLDrill::FileProgressContext::FileProgress, JLDrill::GetFilenameContext::FilenameSelectorView, JLDrill::Gtk::VBoxView, JLDrill::MainContext::MainWindowView, JLDrill::ModifyVocabularyContext::VocabularyView, JLDrill::PromptContext::PromptView, JLDrill::PromptView, JLDrill::RunCommandContext::CommandView, JLDrill::SetOptionsContext::OptionsView, JLDrill::ShowAboutContext::AboutView, JLDrill::ShowAllVocabularyContext::VocabularyTableView, JLDrill::ShowExamplesContext::ExampleView, JLDrill::ShowInfoContext::InfoView, JLDrill::ShowStatisticsContext::StatisticsView, JLDrill::Test::VBoxView

Instance Attribute Summary

• #context ⇒ Object readonly

  Returns the value of attribute context.

Instance Method Summary

• #addView(view) ⇒ Object
• #getWidget ⇒ Object

  Concrete classes should override this method.

• #initialize(context) ⇒ View constructor

  A new instance of View.

• #removeView(view) ⇒ Object
• #removingViewFrom(parent) ⇒ Object

  Override this method to do something when your view being removed from another view.

• #viewAddedTo(parent) ⇒ Object

  Override this method to do something when your view has been added to another view.

Constructor Details

#initialize(context) ⇒ View

Returns a new instance of View.

# File 'lib/Context/View.rb', line 7

def initialize(context)
	@context = context
end

Instance Attribute Details

#context ⇒ Object (readonly)

Returns the value of attribute context.

# File 'lib/Context/View.rb', line 6

def context
  @context
end

Instance Method Details

#addView(view) ⇒ Object

# File 'lib/Context/View.rb', line 11

def addView(view)
	myWidget = getWidget()
	if(myWidget != nil)
		newWidget = view.getWidget()
		if !newWidget.nil?
  				myWidget.addToThisWidget(newWidget)
  				newWidget.widgetWasAddedTo(myWidget)
  		    end
	end
          view.viewAddedTo(self)
end

#getWidget ⇒ Object

Concrete classes should override this method

# File 'lib/Context/View.rb', line 46

def getWidget
	return nil
end

#removeView(view) ⇒ Object

# File 'lib/Context/View.rb', line 28

def removeView(view)
    view.removingViewFrom(self)
    myWidget = getWidget()
    if(myWidget != nil)
        oldWidget = view.getWidget()
        if !oldWidget.nil?
            myWidget.removeFromThisWidget(oldWidget)
            oldWidget.widgetWasRemovedFrom(myWidget)
        end
    end
end

#removingViewFrom(parent) ⇒ Object

Override this method to do something when your view being removed from another view. Most useful for removing subviews

# File 'lib/Context/View.rb', line 42

def removingViewFrom(parent)
end

#viewAddedTo(parent) ⇒ Object

Override this method to do something when your view has been added to another view. Most useful for adding subviews

# File 'lib/Context/View.rb', line 25

def viewAddedTo(parent)
end