java.lang.Object
- controller.DrawingController

```
public class DrawingController
extends java.lang.Object
```
Class that represent controller in MVC architectural pattern.
Called by the DrawingView when user click something and act depending on the command (usually update DrawingModel).

Field Summary

Fields
Modifier and Type	Field	Description
`private java.awt.Color`	`choosenEdgeColor`
`private java.awt.Color`	`choosenInteriorColor`
`private java.util.Stack<Command>`	`commands`
`private int`	`counterOfSelectedShapes`
`private java.awt.Color`	`edgeColor`
`private FileManager`	`fileManager`
`private DrawingFrame`	`frame`
`private Point`	`initialPointOfLine`
`private java.awt.Color`	`interiorColor`
`private javax.swing.DefaultListModel<java.lang.String>`	`log`
`private DrawingModel`	`model`
`private java.beans.PropertyChangeSupport`	`propertyChangeSupport`
`private java.util.Stack<Command>`	`undoCommands`
`private java.util.Stack<java.lang.String>`	`undoCommandsLog`

Constructor Summary

Constructors
Constructor Description

DrawingController(DrawingModel model, DrawingFrame frame)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addPropertyChangedListener(java.beans.PropertyChangeListener propertyChangeListener)`	Add listener that will listen (observe) to the changes in this class.
`void`	`bringToBack()`	Method that call command `CmdBringToBack` which bring some shape at the beginnig of the list of shapes if shape is not already at first position.
`void`	`bringToFront()`	Method that call command `CmdBringToFront` which bring some shape at the end of the list of shapes if shape is not already at last position.
`void`	`btnAddCircleClicked(java.awt.event.MouseEvent click)`	Called when user click to add new `Circle`.
`void`	`btnAddHexagonClicked(java.awt.event.MouseEvent click)`	Called when user click to add new `Hexagon`.
`void`	`btnAddLineClicked(java.awt.event.MouseEvent click)`	Called when user click to add new `Line`.
`void`	`btnAddPointClicked(java.awt.event.MouseEvent click)`	Called when user click to add new `Point`.
`void`	`btnAddRectangleClicked(java.awt.event.MouseEvent click)`	Called when user click to add new `Rectangle`.
`void`	`btnAddSquareClicked(java.awt.event.MouseEvent click)`	Called when user click to add new `Square`.
`void`	`btnDeleteShapeClicked()`	Method is called when user want to delete some shape(s).
`java.awt.Color`	`btnEdgeColorClicked()`	User clicked to choose edge color, show {@inheritDoc JColorChooser}.
`java.awt.Color`	`btnInteriorColorClicked()`	User clicked to choose area color, show {@inheritDoc JColorChooser}.
`void`	`btnSelectShapeClicked(java.awt.event.MouseEvent click)`	Called when user select some shape on a draw.
`void`	`btnUpdateCircleClicked(Circle oldCircle)`	Method is called when user want to update some existing `Circle` on a draw.
`void`	`btnUpdateHexagonClicked(HexagonAdapter oldHexagon)`	Method is called when user want to update some existing `HexagonAdapter` on a draw.
`void`	`btnUpdateLineClicked(Line oldLine)`	Method is called when user want to update some existing `Line` on draw.
`void`	`btnUpdatePointClicked(Point oldPoint)`	Method is called when user want to update some existing `Point` on draw.
`void`	`btnUpdateRectangleClicked(Rectangle oldRectangle)`	Method is called when user want to update some existing `Rectangle` on draw.
`void`	`btnUpdateSquareClicked(Square oldSquare)`	Method is called when user want to update some existing `Square` on draw.
`void`	`executeCommand(Command command)`	Method that execute some command.
`Shape`	`getSelectedShape()`	Method that returns currently selected shape.
`void`	`handleSelect(java.lang.String s, java.lang.String command)`	Count how many shapes are selected.
`void`	`handleSelectButtons()`	Handle buttons state depend on number of selected shapes.
`void`	`newDraw()`	Method that create new draw if draw is not already empty removing all executed shapes and comands.
`void`	`open()`	Method that is obligate for displaying {@ JFileChooser} for user to choose file to open.
`void`	`redo()`	Method that execute previously unexecuted command.
`void`	`save()`	Method that is obligate for displaying {@ JFileChooser} for user to choose where to save draw as serialized file, log file with executed commands or picture (screenshot) of draw.
`void`	`toBack()`	Method that call command `CmdToBack` which move some shape one position backward in the list of shapes if shape is not already at first position.
`void`	`toFront()`	Method that call command `CmdToFront` which move some shape one position forward in the list of shapes if shape is not already at last position.
`void`	`undo()`	Method that unexecute (undo) some command.
`void`	`updateShapeClicked()`	Method that is called when user choose to update some shape.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - model
```
private DrawingModel model
```
  - frame
```
private DrawingFrame frame
```
  - initialPointOfLine
```
private Point initialPointOfLine
```
  - edgeColor
```
private java.awt.Color edgeColor
```
  - interiorColor
```
private java.awt.Color interiorColor
```
  - choosenEdgeColor
```
private java.awt.Color choosenEdgeColor
```
  - choosenInteriorColor
```
private java.awt.Color choosenInteriorColor
```
  - propertyChangeSupport
```
private java.beans.PropertyChangeSupport propertyChangeSupport
```
  - counterOfSelectedShapes
```
private int counterOfSelectedShapes
```
  - fileManager
```
private FileManager fileManager
```
  - log
```
private javax.swing.DefaultListModel<java.lang.String> log
```
  - undoCommandsLog
```
private java.util.Stack<java.lang.String> undoCommandsLog
```
  - commands
```
private java.util.Stack<Command> commands
```
  - undoCommands
```
private java.util.Stack<Command> undoCommands
```
- Constructor Detail
  - DrawingController
```
public DrawingController(DrawingModel model,
                         DrawingFrame frame)
```
- Method Detail
  - addPropertyChangedListener
```
public void addPropertyChangedListener(java.beans.PropertyChangeListener propertyChangeListener)
```
    Add listener that will listen (observe) to the changes in this class.
    
    Parameters:
    
    propertyChangeListener - Represent DrawingObserver that listen to the changes.
  - btnEdgeColorClicked
```
public java.awt.Color btnEdgeColorClicked()
```
    User clicked to choose edge color, show {@inheritDoc JColorChooser}.
    
    Returns:
    
    Color that user choose.
  - btnInteriorColorClicked
```
public java.awt.Color btnInteriorColorClicked()
```
    User clicked to choose area color, show {@inheritDoc JColorChooser}.
    
    Returns:
    
    Color that user choose.
  - btnAddPointClicked
```
public void btnAddPointClicked(java.awt.event.MouseEvent click)
```
    Called when user click to add new Point.
    
    Create CmdAddShape, add Point to that command and execute it.
    Fire change that now shape exist, repaint DrawingView and add command to the list of commands.
    
    Parameters:
    
    click - Represent place where user clicked.
  - btnAddLineClicked
```
public void btnAddLineClicked(java.awt.event.MouseEvent click)
```
    Called when user click to add new Line.
    
    Create CmdAddShape, add Line to that command and execute it.
    Fire change that now shape exist, repaint DrawingView and add command to the list of commands.
    
    Parameters:
    
    click - Represent place where user clicked.
  - btnAddSquareClicked
```
public void btnAddSquareClicked(java.awt.event.MouseEvent click)
```
    Called when user click to add new Square.
    
    Create CmdAddShape, add Square to that command and execute it, ensuring that Square don't go out of draw.
    Fire change that now shape exist, repaint DrawingView and add command to the list of commands.
    
    Parameters:
    
    click - Represent place where user clicked.
  - btnAddRectangleClicked
```
public void btnAddRectangleClicked(java.awt.event.MouseEvent click)
```
    Called when user click to add new Rectangle.
    
    Create CmdAddShape, add Rectangle to that command and execute it, ensuring that Rectangle don't go out of draw.
    Fire change that now shape exist, repaint DrawingView and add command to the list of commands.
    
    Parameters:
    
    click - Represent place where user clicked.
  - btnAddCircleClicked
```
public void btnAddCircleClicked(java.awt.event.MouseEvent click)
```
    Called when user click to add new Circle.
    
    Create CmdAddShape, add Circle to that command and execute it, ensuring that Circle don't go out of draw.
    Fire change that now shape exist, repaint DrawingView and add command to the list of commands.
    
    Parameters:
    
    click - Represent place where user clicked.
  - btnAddHexagonClicked
```
public void btnAddHexagonClicked(java.awt.event.MouseEvent click)
```
    Called when user click to add new Hexagon.
    
    Create CmdAddShape, add Hexagon to that command and execute it, ensuring that Hexagon don't go out of draw.
    
    Fire change that now shape exist, repaint DrawingView and add command to the list of commands.
    
    Parameters:
    
    click - Represent place where user clicked.
  - btnSelectShapeClicked
```
public void btnSelectShapeClicked(java.awt.event.MouseEvent click)
```
    Called when user select some shape on a draw.
    
    Multiple shapes can be selected and deleted.
    One selected shape can be modified, deleted, and moved by Z coordinate (CmdBringToBack, CmdBringToFront, CmdToBack and CmdToFront).
    When user click on some part on draw where no shape, all selected shapes are unselected.
    When user click on some selected shape only that shape is unselected.
    
    Parameters:
    
    click - Represent place where user click.
  - handleSelect
```
public void handleSelect(java.lang.String s,
                         java.lang.String command)
```
    Count how many shapes are selected. This method is called by undo command, redo command and log parser.
    
    Parameters:
    
    s - Undo or redo command.
    
    command - Selection or unselection.
  - handleSelectButtons
```
public void handleSelectButtons()
```
    Handle buttons state depend on number of selected shapes.
  - updateShapeClicked
```
public void updateShapeClicked()
```
    Method that is called when user choose to update some shape.
    Determines instance of selected shape and call appropriate method forwarding casted type of shape.
  - btnUpdatePointClicked
```
public void btnUpdatePointClicked(Point oldPoint)
```
    Method is called when user want to update some existing Point on draw.
    
    DlgPoint is presented for user to enter new values for point.
    Then CmdUpdatePoint is executed if user confirm input.
    
    Parameters:
    
    point - Point that user want to update.
  - btnUpdateLineClicked
```
public void btnUpdateLineClicked(Line oldLine)
```
    Method is called when user want to update some existing Line on draw.
    
    DlgLine is presented for user to enter new values for line. Then CmdUpdateLine is executed if user confirm input.
    
    Parameters:
    
    line - Line that user want to update.
  - btnUpdateRectangleClicked
```
public void btnUpdateRectangleClicked(Rectangle oldRectangle)
```
    Method is called when user want to update some existing Rectangle on draw.
    
    DlgRectangle is presented for user to enter new values for rectangle.
    Then CmdUpdateRectangle is executed if user confirm input.
    
    Parameters:
    
    rectangle - Rectangle that user want to update.
  - btnUpdateSquareClicked
```
public void btnUpdateSquareClicked(Square oldSquare)
```
    Method is called when user want to update some existing Square on draw.
    
    DlgSquare is presented for user to enter new values for square.
    Then CmdUpdateSquare is executed if user confirm input.
    
    Parameters:
    
    square - Square that user want to update.
  - btnUpdateCircleClicked
```
public void btnUpdateCircleClicked(Circle oldCircle)
```
    Method is called when user want to update some existing Circle on a draw.
    
    DlgCircle is presented for user to enter new values for circle.
    Then CmdUpdateCircle is executed if user confirm input.
    
    Parameters:
    
    circle - Circle that user want to update.
  - btnUpdateHexagonClicked
```
public void btnUpdateHexagonClicked(HexagonAdapter oldHexagon)
```
    Method is called when user want to update some existing HexagonAdapter on a draw.
    
    DlgHexagon is presented for user to enter new values for hexagon.
    Then CmdUpdateHexagon is executed if user confirm input.
    
    Parameters:
    
    hexagon - Hexagon that user want to update.
  - toFront
```
public void toFront()
```
    Method that call command CmdToFront which move some shape one position forward in the list of shapes if shape is not already at last position.
  - bringToFront
```
public void bringToFront()
```
    Method that call command CmdBringToFront which bring some shape at the end of the list of shapes if shape is not already at last position.
  - toBack
```
public void toBack()
```
    Method that call command CmdToBack which move some shape one position backward in the list of shapes if shape is not already at first position.
  - bringToBack
```
public void bringToBack()
```
    Method that call command CmdBringToBack which bring some shape at the beginnig of the list of shapes if shape is not already at first position.
  - getSelectedShape
```
public Shape getSelectedShape()
```
    Method that returns currently selected shape.
    
    Returns:
    
    Shape that is selected.
  - btnDeleteShapeClicked
```
public void btnDeleteShapeClicked()
```
    Method is called when user want to delete some shape(s).
    CmdRemoveShape is executed.
  - executeCommand
```
public void executeCommand(Command command)
```
    Method that execute some command.
    Fire changes from DrawingModel to Observer DrawingFrame that updates buttons.
    
    Parameters:
    
    command - Command that need to be executed.
  - undo
```
public void undo()
```
    Method that unexecute (undo) some command.
    Fire changes from DrawingModel to Observer DrawingFrame that updates buttons.
    
    Parameters:
    
    command - Command that need to be unexecuted.
  - redo
```
public void redo()
```
    Method that execute previously unexecuted command.
    Fire changes from DrawingModel to Observer DrawingFrame that updates buttons.
    
    Parameters:
    
    command - Command that need to be executed again.
  - save
```
public void save()
```
    Method that is obligate for displaying {@ JFileChooser} for user to choose where to save draw as serialized file, log file with executed commands or picture (screenshot) of draw.
    Then called appropriate FileManager to save {@docRoot File}.
  - open
```
public void open()
```
    Method that is obligate for displaying {@ JFileChooser} for user to choose file to open.
    Supported formats are serialized file and log file with executed commands. Then called appropriate FileManager to open {@docRoot File}.
  - newDraw
```
public void newDraw()
```
    Method that create new draw if draw is not already empty removing all executed shapes and comands.

Class DrawingController

Class that represent controller in MVC architectural pattern.

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

model

frame

initialPointOfLine

edgeColor

interiorColor

choosenEdgeColor

choosenInteriorColor

propertyChangeSupport

counterOfSelectedShapes

fileManager

log

undoCommandsLog

commands

undoCommands

Constructor Detail

DrawingController

Method Detail

addPropertyChangedListener

Add listener that will listen (observe) to the changes in this class.

btnEdgeColorClicked

btnInteriorColorClicked

User clicked to choose area color, show {@inheritDoc JColorChooser}.

btnAddPointClicked

Called when user click to add new Point.

btnAddLineClicked

Called when user click to add new Line.

btnAddSquareClicked

Called when user click to add new Square.

btnAddRectangleClicked

Called when user click to add new Rectangle.

btnAddCircleClicked

Called when user click to add new Circle.

btnAddHexagonClicked

Called when user click to add new Hexagon.

btnSelectShapeClicked

Called when user select some shape on a draw.

handleSelect

handleSelectButtons

updateShapeClicked

Method that is called when user choose to update some shape.

btnUpdatePointClicked

Method is called when user want to update some existing Point on draw.

btnUpdateLineClicked

Method is called when user want to update some existing Line on draw.

btnUpdateRectangleClicked

Method is called when user want to update some existing Rectangle on draw.

btnUpdateSquareClicked

Method is called when user want to update some existing Square on draw.

btnUpdateCircleClicked

Method is called when user want to update some existing Circle on a draw.

btnUpdateHexagonClicked

Method is called when user want to update some existing HexagonAdapter on a draw.

toFront

Method that call command CmdToFront which move some shape one position forward in the list of shapes if shape is not already at last position.

bringToFront

Method that call command CmdBringToFront which bring some shape at the end of the list of shapes if shape is not already at last position.

toBack

Method that call command CmdToBack which move some shape one position backward in the list of shapes if shape is not already at first position.

bringToBack

Method that call command CmdBringToBack which bring some shape at the beginnig of the list of shapes if shape is not already at first position.

getSelectedShape

Method that returns currently selected shape.

btnDeleteShapeClicked

Method is called when user want to delete some shape(s).

executeCommand

Method that execute some command.

undo

Method that unexecute (undo) some command.

redo

Method that execute previously unexecuted command.

save

Method that is obligate for displaying {@ JFileChooser} for user to choose where to save draw as serialized file, log file with executed commands or picture (screenshot) of draw.

open

Called when user click to add new `Point`.

Called when user click to add new `Line`.

Called when user click to add new `Square`.

Called when user click to add new `Rectangle`.

Called when user click to add new `Circle`.

Called when user click to add new `Hexagon`.

Method is called when user want to update some existing `Point` on draw.

Method is called when user want to update some existing `Line` on draw.

Method is called when user want to update some existing `Rectangle` on draw.

Method is called when user want to update some existing `Square` on draw.

Method is called when user want to update some existing `Circle` on a draw.

Method is called when user want to update some existing `HexagonAdapter` on a draw.

Method that call command `CmdToFront` which move some shape one position forward in the list of shapes if shape is not already at last position.

Method that call command `CmdBringToFront` which bring some shape at the end of the list of shapes if shape is not already at last position.

Method that call command `CmdToBack` which move some shape one position backward in the list of shapes if shape is not already at first position.

Method that call command `CmdBringToBack` which bring some shape at the beginnig of the list of shapes if shape is not already at first position.