jview
Class DeleteCursor

java.lang.Object
  java.awt.Cursor
      jview.CanvasCursor
          jview.CrossCursor
              jview.DragCursor
                  jview.ZoomCursor
                      jview.DeleteCursor

All Implemented Interfaces:

MouseListener, MouseMotionListener, MouseWheelListener, Serializable, EventListener, MouseInputListener, Initializable, PropertyAware, PropertyComposed

public class DeleteCursor
extends ZoomCursor

A cursor that allows per-click deletes as well as drag-selected deletes of points in the underlying data canvas. It specifies on individual sets, indicated by the KEY_DELETESETS list. It supplies undelte actions as well as revert actions.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class jview.CrossCursor

CrossCursor.Draw

Field Summary

private Action	back The action for doing a one-step undel.
private static boolean	DEFALLOWWHEEL The default zooming amount per whhel rotation.
static String	DEFCURSORNAME Default name of this cursor.
private static String	DEFDELETESETS Default setname we act on.
private static int	DEFUNDOLEVEL Default undo levels.
private static double	DEFWHEELZOOM The default zooming amount per whhel rotation.
static String	KEY_ALLOWWHEEL If false, the wheel does not zoom.
static String	KEY_DELETESETS The cursor only works on these sets.
static String	KEY_UNDOLEVEL The number of undo levels, 0=unlimited.
static String	KEY_WHEELZOOM The zooming amount per wheel step.
private Map<String,List<Integer>>	marks Whenever a mark is set, this ends here.
private Action	markset The action for setting a mark.
static String	MARKSET The label one the unzoom-one, that steps one zoom back.
private Action	undel The action for reverting to the next mark set.
static String	UNDELETE The label one the unzoom-one, that steps one zoom back.
static String	UNDELMARK The label at the unzoom item.
private Map<String,Shelf<List<DataTransfer>>>	undo For each set we work on, we store the data transfer.
private Map<String,Shelf<Rectangle2D>>	unzoom To allow mixed undelete/unzoom, we also store the viewports.

Fields inherited from class jview.ZoomCursor

KEY_ALLOWSHIFT, KEY_SHIFTFACTOR, RETRACE, REVERT

Fields inherited from class jview.DragCursor

KEY_ANGLESIZE, KEY_SHOWANGLE, KEY_SHOWDELTAX, KEY_SHOWDELTAY, KEY_SHOWDISTANCE, KEY_SHOWSTART

Fields inherited from class jview.CrossCursor

cursorcolor, KEY_ALLOWDRAG, KEY_PERSISTENT, KEY_SHOWCOORDINATE, KEY_SINGLEPERSIST, KEY_XSHIFT, KEY_YSHIFT, lastcenter, lastposition, xformat, yformat

Fields inherited from class jview.CanvasCursor

canvas, DEFCURSORCOLOR, KEY_COORDINATES, KEY_CURSORCOLOR, KEY_CURSORNAME, KEY_CURSORSIZE, NORMALIZED, NORMALIZEDACTION, SCREEN, SCREENACTION, USER, USERACTION

Fields inherited from class java.awt.Cursor

CROSSHAIR_CURSOR, CUSTOM_CURSOR, DEFAULT_CURSOR, E_RESIZE_CURSOR, HAND_CURSOR, MOVE_CURSOR, N_RESIZE_CURSOR, name, NE_RESIZE_CURSOR, NW_RESIZE_CURSOR, predefined, S_RESIZE_CURSOR, SE_RESIZE_CURSOR, SW_RESIZE_CURSOR, TEXT_CURSOR, W_RESIZE_CURSOR, WAIT_CURSOR

Constructor Summary

DeleteCursor(PropertySupplying prop)
Creates a new delete cursor.

Method Summary

protected void	dragSelect(Rectangle zoomselect, int mods) The selected area is an area where we remove points from.
Map<String,Action>	getActions() Returns all actions.
Action	getMarkSetAction() Returns the action for setting a mark in the undo tree.
Action	getUndeleteAction() Returns the action for reverting to the no-zoom original state.
Action	getUndoAction() Returns the action for retracing one zoom level.
void	init() Initializes the zoom cursor.
void	mouseClicked(MouseEvent me) Clicking with the mouse does remove the closest point in the data sets.
private boolean	redeemAll() We redeem the lately deleted data and remove that from our transfer list.
private boolean	redeemOne(Shelf<List<DataTransfer>> havemore, Shelf<Rectangle2D> rezoom, String set) We redeem the lately deleted data and remove that from our transfer list.
void	setComposedProperties(PropertySupplying prop) Compose with a PropertySupplying as we need subclassing Cursor.

Methods inherited from class jview.ZoomCursor

getRetraceAction, getRevertAction, mouseDragged, mousePressed, mouseReleased, mouseWheelMoved, zoomFactor

Methods inherited from class jview.DragCursor

clearOnRepaint, mouseEntered

Methods inherited from class jview.CrossCursor

drawCross, drawPosition, getCoordinateLabel, getCoordinates, getCoordinatesPair, mouseExited, mouseMoved, setCoordinateFormat, setCoordinateLabel

Methods inherited from class jview.CanvasCursor

disableCanvas, enableCanvas, getComposedProperties, getCursorName, getCursorShape, getCustomized, getNormalizedAction, getScreenAction, getUserAction, isConsider, isMe, isWithin, repaintCanvas, setCursorName, setCursorShape

Methods inherited from class java.awt.Cursor

getDefaultCursor, getName, getPredefinedCursor, getSystemCustomCursor, getType, toString

Methods inherited from class java.lang.Object

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

Field Detail

UNDELMARK

public static final String UNDELMARK

The label at the unzoom item.

See Also:

Constant Field Values

UNDELETE

public static final String UNDELETE

The label one the unzoom-one, that steps one zoom back.

See Also:

Constant Field Values

MARKSET

public static final String MARKSET

The label one the unzoom-one, that steps one zoom back.

See Also:

Constant Field Values

KEY_DELETESETS

public static final String KEY_DELETESETS

The cursor only works on these sets.

See Also:

Constant Field Values

KEY_UNDOLEVEL

public static final String KEY_UNDOLEVEL

The number of undo levels, 0=unlimited.

See Also:

Constant Field Values

KEY_WHEELZOOM

public static final String KEY_WHEELZOOM

The zooming amount per wheel step.

See Also:

Constant Field Values

KEY_ALLOWWHEEL

public static final String KEY_ALLOWWHEEL

If false, the wheel does not zoom.

See Also:

Constant Field Values

DEFCURSORNAME

public static final String DEFCURSORNAME

Default name of this cursor.

See Also:

Constant Field Values

DEFALLOWWHEEL

private static final boolean DEFALLOWWHEEL

The default zooming amount per whhel rotation.

See Also:

Constant Field Values

DEFWHEELZOOM

private static final double DEFWHEELZOOM

The default zooming amount per whhel rotation.

See Also:

Constant Field Values

DEFDELETESETS

private static final String DEFDELETESETS

Default setname we act on.

See Also:

Constant Field Values

DEFUNDOLEVEL

private static final int DEFUNDOLEVEL

Default undo levels.

See Also:

Constant Field Values

undo

private Map<String,Shelf<List<DataTransfer>>> undo

For each set we work on, we store the data transfer.

unzoom

private Map<String,Shelf<Rectangle2D>> unzoom

To allow mixed undelete/unzoom, we also store the viewports.

marks

private Map<String,List<Integer>> marks

Whenever a mark is set, this ends here.

back

private Action back

The action for doing a one-step undel.

undel

private Action undel

The action for reverting to the next mark set.

markset

private Action markset

The action for setting a mark.

Constructor Detail

DeleteCursor

public DeleteCursor(PropertySupplying prop)

Creates a new delete cursor. Dragging is always enabled.

Method Detail

setComposedProperties

public void setComposedProperties(PropertySupplying prop)

Compose with a PropertySupplying as we need subclassing Cursor.

Specified by:

setComposedProperties in interface PropertyAware

Overrides:

setComposedProperties in class ZoomCursor

init

public void init()

Initializes the zoom cursor. Here, the pop-up menu and the undo-zoom list is generated.

Specified by:

init in interface Initializable

Overrides:

init in class ZoomCursor

getUndoAction

public Action getUndoAction()

Returns the action for retracing one zoom level.

getUndeleteAction

public Action getUndeleteAction()

Returns the action for reverting to the no-zoom original state.

getMarkSetAction

public Action getMarkSetAction()

Returns the action for setting a mark in the undo tree.

getActions

public Map<String,Action> getActions()

Returns all actions. Some special, commonly used action may be retrieved also individually.

Overrides:

getActions in class ZoomCursor

Returns:

A mapping of action names to concrete actions.

mouseClicked

public void mouseClicked(MouseEvent me)

Clicking with the mouse does remove the closest point in the data sets.

Specified by:

mouseClicked in interface MouseListener

Overrides:

mouseClicked in class ZoomCursor

dragSelect

protected void dragSelect(Rectangle zoomselect,
                          int mods)

The selected area is an area where we remove points from.

Overrides:

dragSelect in class ZoomCursor

Parameters:

zoomselect - The on-screen Rectangle of the drag, not normalized.

mods - The extended modifiers of the mouse event on drag end.

redeemAll

private boolean redeemAll()

We redeem the lately deleted data and remove that from our transfer list.

redeemOne

private boolean redeemOne(Shelf<List<DataTransfer>> havemore,
                          Shelf<Rectangle2D> rezoom,
                          String set)

We redeem the lately deleted data and remove that from our transfer list.