Packages

  • package root
    Definition Classes
    root
  • package o1

    O1Library is a toolkit designed for the course Programming 1 (a.k.a. O1) at Aalto University.

    O1Library is a toolkit designed for the course Programming 1 (a.k.a. O1) at Aalto University. It contains an assortment of tools; most prominently, it provides a framework for simple graphical programming and utilities for playing sound.

    This is the front page of O1Library’s documentation. However, this is probably not the best place to start learning about O1Library as a student. That’s because the relevant content of this library is introduced bit by bit in the chapters of O1’s custom ebook alongside the associated programming concepts and assignments.

    You may still find this documentation useful as a reference. You can also find some optional content here that you may wish to try.

    This front page lists the content available in the top-level package called simply o1. These tools are available with the simple command import o1._ in your Scala programs. Some of them you’ll use a lot; some of them you won’t necessarily need at all.

    The tools listed here are actually implemented in a number of subpackages (o1.gui, o1.sound, etc.); what you see here are just “shortcut aliases” to those actual implementations. The aliases are here to make that convenient import command work and to provide you with this list of links to some of the more commonly used tools in O1Library. The subpackages also contain additional content not listed here.

    O1Library has been developed by Aleksi Lukkarinen and Juha Sorva. Several of the key components in o1.gui and o1.world are built upon Aleksi’s Scala Media Computation Library. Some parts of O1Library draw inspiration from the “teachpacks” of the Racket programming language.

    We are grateful to Riku Autio, Joonatan Honkamaa, Juhani Numminen, Leo Varis, Veera Kahva, and anonymous students for bug reports and fixes. We thank Otto Seppälä for helpful discussions.

    Definition Classes
    root
  • package gui

    This package contains tools for building simple GUIs.

    This package contains tools for building simple GUIs. The toolkit is particularly well suited to constructing GUIs that display information as 2D images and/or geometric shapes. It is not designed for demanding graphical needs that call for high efficiency. Some of the tools in this package are built on the Swing GUI library, and the two libraries can be used in combination.

    Some of the types in this package have aliases in the top-level package o1, so they are accessible to students simply via import o1._. Some of the package contents are not available in the top-level package or included in this documentation.

    Please note: One of this package’s key components (views) comes in multiple varieties, which which are defined in the subpackages o1.gui.mutable and o1.gui.immutable and not listed below. The View that is most commonly used in O1 (and aliased as o1.View in the top-level package) is o1.gui.mutable.ViewFrame.

    Definition Classes
    o1
  • package colors

    This package contains Color constants.

    This package contains Color constants. They cover all the colors listed in the W3C’s CSS Color Module specification (July 5th, 2017); there are some additional ones as well.

    All the colors are fully opaque, except Transparent, which is fully transparent.

    The contents of this package are aliased in the top-level package o1 so that they are accessible to students simply via import o1._.

    Definition Classes
    gui
  • package event

    This package exists in order to provide aliases to event classes in Swing and to add some methods to Swing’s InputEvent via o1.gui.event.ConvenientInputEvent.

    This package exists in order to provide aliases to event classes in Swing and to add some methods to Swing’s InputEvent via o1.gui.event.ConvenientInputEvent.

    The contents of this package are aliased in the top-level package o1, so that they are accessible to students simply via* import o1._.

    Definition Classes
    gui
  • Animation
  • Color
  • DefaultFrameSettings
  • Dialog
  • Escapable
  • Pic
  • SimpleFrame
  • TerminatesOnClose
  • View
  • immutable
  • mutable
  • package layout

    The package o1.gui.layout contains utilities that make it more convenient to lay out components in simple GridBagPanels from Scala's Swing library.

    The package o1.gui.layout contains utilities that make it more convenient to lay out components in simple GridBagPanels from Scala's Swing library. These utilities are used internally by some of the given GUIs in O1.

    NOTE TO STUDENTS: In this course, you don't need to understand how this package works or can be used.

    Definition Classes
    gui
o

o1.gui

immutable

object immutable

This package contains a version of Views that is not much used in O1: views to immutable domain models. In O1, the other implementation in o1.gui.mutable is more relevant.

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Type Members

  1. type View[Model] = ViewFrame[Model]

    An alias for ViewFrame, which is the default sort of View.

    An alias for ViewFrame, which is the default sort of View. (Cf. the alternative, ViewComponent.)

  2. abstract class ViewComponent[Model] extends ViewImpl.ViewComponent[Model] with ControlDefaults[Model]

    A Swing-embeddable view (complete with a picture, a ticking clock, event handlers, etc.).

    A Swing-embeddable view (complete with a picture, a ticking clock, event handlers, etc.). It works like a ViewFrame except that it’s a Swing component, not a standalone GUI frame. See ViewFrame for an overview.

    Model

    the type of the states of the model

  3. abstract class ViewFrame[Model] extends ViewImpl.ViewFrame[Model] with ControlDefaults[Model]

    This class provides a framework for building simple GUIs.

    This class provides a framework for building simple GUIs. Each instance of the class is a graphical view to objects that represent the states of a domain model; those states can be (but are not required to be) immutable objects. A ViewFrame displays the model as graphics within a GUI frame.

    Note to students: this is not the view class that we commonly use in O1 but an alternative implementation. For the usual View, see here.

    The key method in the class is makePic, which the view calls automatically and repeatedly to determine which Pic to display in the frame at each moment in time. Concrete view objects must add an implementation for this abstract method.

    A view listens to GUI events within the frame, but it doesn’t really do anything when notified of an event; concrete instances of the class can override this behavior by overriding one of the “on methods” (onClick, onMouseMove, etc.). The view also runs an internal clock and can react to the passing of time (onTick).

    Just creating a view object is not enough to display it onscreen and start the clock; see the start method.

    Please note that even though this class is designed to work with immutable model states, the actual ViewFrame is not itself immutable.

    Model

    the type of the states of the model

Value Members

  1. final def !=(arg0: Any): Boolean
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    (Since version ) see corresponding Javadoc for more information.

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