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Class CH.ifa.draw.standard.StandardDrawingView

java.lang.Object
   |
   +----java.awt.Component
           |
           +----java.awt.Container
                   |
                   +----java.awt.Panel
                           |
                           +----CH.ifa.draw.standard.StandardDrawingView

public class StandardDrawingView

extends Panel

implements DrawingView, MouseListener, MouseMotionListener, KeyListener

See Also:

DrawingView, Painter, Tool

StandardDrawingView(DrawingEditor, int, int)

Constructs the view.

add(Figure)

Adds a figure to the drawing.

addAll(Vector)

Adds a vector of figures to the drawing.

addBackground(Painter)

Adds a background.

addForeground(Painter)

Adds a foreground.

addToSelection(Figure)

Adds a figure to the current selection.

addToSelectionAll(Vector)

Adds a vector of figures to the current selection.

checkDamage()

Refreshes the drawing if there is some accumulated damage

clearSelection()

Clears the current selection.

constrainPoint(Point)

Constrains a point to the current grid.

drawAll(Graphics)

Draws the contents of the drawing view.

drawBackground(Graphics)

Draws the background.

drawDrawing(Graphics)

Draws the drawing.

drawHandles(Graphics)

Draws the currently active handles.

drawing()

Gets the drawing.

drawingInvalidated(DrawingChangeEvent)

drawingRequestUpdate(DrawingChangeEvent)

editor()

Gets the editor.

findHandle(int, int)

Finds a handle at the given coordinates.

freezeView()

Freezes the view by acquiring the drawing lock.

getConstrainer()

Gets the current constrainer.

getFigureSelection()

Gets the current selection as a FigureSelection.

getMinimumSize()

Gets the minimum dimension of the drawing.

getPreferredSize()

Gets the preferred dimension of the drawing..

handleCursorKey(int)

Handles cursor keys by moving all the selected figures one grid point in the cursor direction.

isFocusTraversable()

keyPressed(KeyEvent)

Handles key down events.

keyReleased(KeyEvent)

keyTyped(KeyEvent)

lastClick()

Gets the position of the last click inside the view.

mouseClicked(MouseEvent)

mouseDragged(MouseEvent)

Handles mouse drag events.

mouseEntered(MouseEvent)

mouseExited(MouseEvent)

mouseMoved(MouseEvent)

Handles mouse move events.

mousePressed(MouseEvent)

Handles mouse down events.

mouseReleased(MouseEvent)

Handles mouse up events.

paint(Graphics)

Paints the drawing view.

remove(Figure)

Removes a figure from the drawing.

removeBackground(Painter)

Removes a background.

removeForeground(Painter)

Removes a foreground.

removeFromSelection(Figure)

Removes a figure from the selection.

repairDamage()

selection()

Gets the currently selected figures.

selectionChanged()

Informs that the current selection changed.

selectionCount()

Gets the number of selected figures.

selectionElements()

Gets an enumeration over the currently selected figures.

selectionZOrdered()

Gets the currently selected figures in Z order.

setConstrainer(PointConstrainer)

Sets the grid spacing that is used to constrain points.

setDisplayUpdate(Painter)

Sets the current display update strategy.

setDrawing(Drawing)

Sets and installs another drawing in the view.

setEditor(DrawingEditor)

Sets the view's editor.

toggleSelection(Figure)

If a figure isn't selected it is added to the selection.

tool()

Gets the current tool.

unfreezeView()

Unfreezes the view by releasing the drawing lock.

update(Graphics)

Updates the drawing view.

 public StandardDrawingView(DrawingEditor editor,
                            int width,
                            int height)

Constructs the view.

 public void setEditor(DrawingEditor editor)

Sets the view's editor.

 public Tool tool()

Gets the current tool.

 public Drawing drawing()

Gets the drawing.

 public void setDrawing(Drawing d)

Sets and installs another drawing in the view.

 public DrawingEditor editor()

Gets the editor.

 public Figure add(Figure figure)

Adds a figure to the drawing.

Returns:

the added figure.

 public Figure remove(Figure figure)

Removes a figure from the drawing.

Returns:

the removed figure

 public void addAll(Vector figures)

Adds a vector of figures to the drawing.

 public Dimension getMinimumSize()

Gets the minimum dimension of the drawing.

Overrides:

getMinimumSize in class Container

 public Dimension getPreferredSize()

Gets the preferred dimension of the drawing..

Overrides:

getPreferredSize in class Container

 public void setDisplayUpdate(Painter updateStrategy)

Sets the current display update strategy.

See Also:

UpdateStrategy

 public Vector selection()

Gets the currently selected figures.

Returns:

a vector with the selected figures. The vector is a copy of the current selection.

 public FigureEnumeration selectionElements()

Gets an enumeration over the currently selected figures.

 public Vector selectionZOrdered()

Gets the currently selected figures in Z order.

Returns:

a vector with the selected figures. The vector is a copy of the current selection.

See Also:

selection

 public int selectionCount()

Gets the number of selected figures.

 public void addToSelection(Figure figure)

Adds a figure to the current selection.

 public void addToSelectionAll(Vector figures)

Adds a vector of figures to the current selection.

 public void removeFromSelection(Figure figure)

Removes a figure from the selection.

 public void toggleSelection(Figure figure)

If a figure isn't selected it is added to the selection. Otherwise it is removed from the selection.

 public void clearSelection()

Clears the current selection.

 public FigureSelection getFigureSelection()

Gets the current selection as a FigureSelection. A FigureSelection can be cut, copied, pasted.

 public Handle findHandle(int x,
                          int y)

Finds a handle at the given coordinates.

Returns:

the hit handle, null if no handle is found.

 protected void selectionChanged()

Informs that the current selection changed. By default this event is forwarded to the drawing editor.

 public Point lastClick()

Gets the position of the last click inside the view.

 public void setConstrainer(PointConstrainer c)

Sets the grid spacing that is used to constrain points.

 public PointConstrainer getConstrainer()

Gets the current constrainer.

 protected Point constrainPoint(Point p)

Constrains a point to the current grid.

 public void mousePressed(MouseEvent e)

Handles mouse down events. The event is delegated to the currently active tool.

Returns:

whether the event was handled.

 public void mouseDragged(MouseEvent e)

Handles mouse drag events. The event is delegated to the currently active tool.

Returns:

whether the event was handled.

 public void mouseMoved(MouseEvent e)

Handles mouse move events. The event is delegated to the currently active tool.

Returns:

whether the event was handled.

 public void mouseReleased(MouseEvent e)

Handles mouse up events. The event is delegated to the currently active tool.

Returns:

whether the event was handled.

 public void keyPressed(KeyEvent e)

Handles key down events. Cursor keys are handled by the view the other key events are delegated to the currently active tool.

Returns:

whether the event was handled.

 protected void handleCursorKey(int key)

Handles cursor keys by moving all the selected figures one grid point in the cursor direction.

 public synchronized void checkDamage()

Refreshes the drawing if there is some accumulated damage

 public void repairDamage()

 public void drawingInvalidated(DrawingChangeEvent e)

 public void drawingRequestUpdate(DrawingChangeEvent e)

 public void update(Graphics g)

Updates the drawing view.

Overrides:

update in class Component

 public void paint(Graphics g)

Paints the drawing view. The actual drawing is delegated to the current update strategy.

Overrides:

paint in class Container

See Also:

Painter

 public void drawAll(Graphics g)

Draws the contents of the drawing view. The view has three layers: background, drawing, handles. The layers are drawn in back to front order.

 public void drawHandles(Graphics g)

Draws the currently active handles.

 public void drawDrawing(Graphics g)

Draws the drawing.

 public void drawBackground(Graphics g)

Draws the background. If a background pattern is set it is used to fill the background. Otherwise the background is filled in the background color.

 public void addBackground(Painter painter)

Adds a background.

 public void removeBackground(Painter painter)

Removes a background.

 public void removeForeground(Painter painter)

Removes a foreground.

 public void addForeground(Painter painter)

Adds a foreground.

 public void freezeView()

Freezes the view by acquiring the drawing lock.

See Also:

lock

 public void unfreezeView()

Unfreezes the view by releasing the drawing lock.

See Also:

unlock

 public boolean isFocusTraversable()

Overrides:

isFocusTraversable in class Component

 public void mouseEntered(MouseEvent e)

 public void mouseExited(MouseEvent e)

 public void mouseClicked(MouseEvent e)

 public void keyTyped(KeyEvent e)

 public void keyReleased(KeyEvent e)

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