jdraw.jdraw
Class JDraw

java.lang.Object
  |
  +--java.util.Observable
        |
        +--mvp.Model
              |
              +--jdraw.jdraw.JDraw

All Implemented Interfaces:

java.io.Serializable

public class JDraw

extends mvp.Model

Class JDraw is the top-level model class for the JDraw app. JDraw has references for the three main model classes of the system: Tools, Commands, and Canvas.

See Also:

Serialized Form

Field Summary

protected int	activeIndex An int value indicating the index of the currently active Canvas.
protected AskSaveDialog	askSaveDialog A Dialog for asking what the user wants to do when closing a changed file.
protected javax.swing.JButton	cancelButton Still working on this stuff.
protected java.util.Vector	canvas The Top-Level Vector of Canvases.
protected Commands	commands The Top-Level Commands model.
protected boolean	controlDown A boolean value indicating whether the control key is down.
protected JDrawUI	jdrawUI Local reference to the system's Top-Level View object.
protected Tools	tools The Top-Level Tools model.

Fields inherited from class mvp.Model

view

Constructor Summary

JDraw(JDrawUI jdrawUI)
Construct this with the given companion view.

Method Summary

void	cancelButtonClicked() Simply Hide the AskSaveDialog.
int	getActiveWindowIndex()
Canvas	getCanvas(int i) Returns the Canvas designated by the integer parameter.
Commands	getCommands() Returns the Top-Level Commands object.
boolean	getControlDown()
JDrawUI	getJDrawUI() A local reference to the Top-Level View component.
Canvas	getLastCanvas()
Tools	getTools() Returns the Top-Level Tools object.
void	group() Calls groupSelected on the currently active Canvas.
void	newCanvas() Create a new Canvas by adding a new element to Canvas vector.
void	newCanvas(java.lang.String title) Create a new Canvas as above, but set the title of the window, given the String parameter.
void	noButton() Close the window without saving.
void	redo() Calls redoLastUndo on the currently active Canvas.
void	removeCanvas(int ind) Bring up the askSaveDialog if necessary.
void	removeCanvas(int ind, int cancelFlag) Bring up the askSaveDialog if necessary.
void	setActiveWindowIndex(int index)
void	setCanvas(Canvas newCanvas, CanvasWindow canWindow)
void	setControlDown(boolean newControlDown)
void	setView(JDrawUI jdrawUI) Set the given JDrawUI component as this.jdrawUI.
void	undo() Calls undoLastAction on the currently active Canvas.
void	ungroup() Calls ungroupSelected on the currently active Canvas.
void	yesButton() Close the window and save the Canvas to ...

Methods inherited from class mvp.Model

getView, setView

Methods inherited from class java.util.Observable

addObserver, clearChanged, countObservers, deleteObserver, deleteObservers, hasChanged, notifyObservers, notifyObservers, setChanged

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

commands

protected Commands commands

The Top-Level Commands model.

canvas

protected java.util.Vector canvas

The Top-Level Vector of Canvases.

tools

protected Tools tools

The Top-Level Tools model.

jdrawUI

protected JDrawUI jdrawUI

Local reference to the system's Top-Level View object.

askSaveDialog

protected AskSaveDialog askSaveDialog

A Dialog for asking what the user wants to do when closing a changed file.

cancelButton

protected javax.swing.JButton cancelButton

Still working on this stuff.

activeIndex

protected int activeIndex

An int value indicating the index of the currently active Canvas.

controlDown

protected boolean controlDown

A boolean value indicating whether the control key is down.

Constructor Detail

JDraw

public JDraw(JDrawUI jdrawUI)

Construct this with the given companion view. Setup the subview classes after calling the parent constructor.

Parameters:

jdrawUI - - The JDrawUI object passed to parent constructor and set as this.jdrawUI.

Method Detail

setView

public void setView(JDrawUI jdrawUI)

Set the given JDrawUI component as this.jdrawUI.

Parameters:

jdrawUI - - The JDrawUI object to be set an this.jdrawUI.

newCanvas

public void newCanvas()

Create a new Canvas by adding a new element to Canvas vector. Then create a companion Canvas Window in which to place the new canvas. Finally compose the Canvas to put it onscreen.

newCanvas

public void newCanvas(java.lang.String title)

Create a new Canvas as above, but set the title of the window, given the String parameter.

Parameters:

title - - The String used as the Title of the Window.

setCanvas

public void setCanvas(Canvas newCanvas,
                      CanvasWindow canWindow)

getLastCanvas

public Canvas getLastCanvas()

yesButton

public void yesButton()

Close the window and save the Canvas to ... filename.

noButton

public void noButton()

Close the window without saving.

cancelButtonClicked

public void cancelButtonClicked()

Simply Hide the AskSaveDialog.

removeCanvas

public void removeCanvas(int ind)

Bring up the askSaveDialog if necessary. If not, just close the window.

removeCanvas

public void removeCanvas(int ind,
                         int cancelFlag)

Bring up the askSaveDialog if necessary. If not, just close the window.

getCommands

public Commands getCommands()

Returns the Top-Level Commands object.

getCanvas

public Canvas getCanvas(int i)

Returns the Canvas designated by the integer parameter.

getTools

public Tools getTools()

Returns the Top-Level Tools object.

getJDrawUI

public JDrawUI getJDrawUI()

A local reference to the Top-Level View component.

getActiveWindowIndex

public int getActiveWindowIndex()

setActiveWindowIndex

public void setActiveWindowIndex(int index)

Parameters:

index - - The int value to store in this.activeIndex.

undo

public void undo()

Calls undoLastAction on the currently active Canvas.

redo

public void redo()

Calls redoLastUndo on the currently active Canvas.

group

public void group()

Calls groupSelected on the currently active Canvas.

ungroup

public void ungroup()

Calls ungroupSelected on the currently active Canvas.

setControlDown

public void setControlDown(boolean newControlDown)

Parameters:

newControlDown - - The boolean value to store in this.controlDown.

getControlDown

public boolean getControlDown()