y.view
Class NavigationMode

java.lang.Object
  y.view.ViewMode
      y.view.NavigationMode

All Implemented Interfaces:

java.awt.event.MouseListener, java.awt.event.MouseMotionListener, java.util.EventListener, javax.swing.event.MouseInputListener

public class NavigationMode
extends ViewMode

A view mode that allows to navigate in a view

Field Summary

Fields inherited from class y.view.ViewMode

ACTIVE_PROPERTY, ACTIVE_VIEW_PROPERTY, CHILD_MODE_PROPERTY, EDITING_PROPERTY, GRAB_FOCUS_ENABLED_PROPERTY, lastClickEvent, lastDragEvent, lastMoveEvent, lastPressEvent, lastReleaseEvent, MODIFIER_MASK_PROPERTY, NAME_PROPERTY, originalX, originalY, PARENT_MODE_PROPERTY, view

Constructor Summary

NavigationMode()
Initializes a new NavigationMode.

NavigationMode(ViewContainer vc)
Initializes a new NavigationMode for the given ViewContainer.

Method Summary

void	activate(boolean b) When activated disables scrollbars in Graph2DView, when deactivated restores previous scroll bar state and cursor.
java.awt.Cursor	getDefaultCursor() Returns the default cursor that will be used if the navigation will not be active.
java.awt.Cursor	getNavigationCursor() Returns the cursor that will be used if the navigation will be active.
PopupMode	getPopupMode() Returns the popup mode associated with this mode.
Scroller	getScroller() Returns the Scroller instance used to implement the right drag navigation action.
boolean	isAdjustScrollBarPolicy() Returns true if the scroll bars in Graph2DView will be disabled when this mode is activated (default).
void	mouseDraggedLeft(double x, double y) Moves the viewport of this view.
void	mouseDraggedRight(double x, double y) Moves the viewport of this view in an animated fashion.
void	mousePressedLeft(double x, double y) Initiates a navigation action.
void	mousePressedRight(double x, double y) Either activates a popup mode or an animated scroller for the view.
void	mouseReleasedLeft(double x, double y) Terminates a navigation action.
void	mouseReleasedRight(double x, double y) Terminates a navigation action.
void	setAdjustScrollBarPolicy(boolean adjustScrollBarPolicy) Whether the scroll bars will be disabled when this mode is activated.
void	setDefaultCursor(java.awt.Cursor defaultCursor) Sets the default cursor for this view mode.
void	setNavigationCursor(java.awt.Cursor navigationCursor) Sets the cursor for this view mode that will be used if the navigation will be active.
void	setPopupMode(PopupMode pl) Sets the popup mode for this mode.

Methods inherited from class y.view.ViewMode

addPropertyChangeListener, addPropertyChangeListener, cancelEditing, deactivateChild, firePropertyChange, firePropertyChange, firePropertyChange, getChild, getGraph2D, getGridX, getGridY, getHitInfo, getHitInfo, getLastClickEvent, getLastDragEvent, getLastHitInfo, getLastMoveEvent, getLastPressEvent, getLastReleaseEvent, getModifierMask, getName, getParent, init, isActive, isEditing, isGrabFocusEnabled, isGridMode, isModifierPressed, mouseClicked, mouseClicked, mouseDragged, mouseDraggedMiddle, mouseEntered, mouseExited, mouseMoved, mouseMoved, mousePressed, mousePressedMiddle, mouseReleased, mouseReleased, mouseReleasedMiddle, mouseShiftPressedLeft, mouseShiftPressedMiddle, mouseShiftPressedRight, mouseShiftReleasedLeft, mouseShiftReleasedMiddle, mouseShiftReleasedRight, reactivateParent, removePropertyChangeListener, removePropertyChangeListener, setActiveView, setChild, setChild, setEditing, setGrabFocusEnabled, setGridMode, setLastHitInfo, setModifierMask, setName, setParent, translateX, translateY

Methods inherited from class java.lang.Object

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

Constructor Detail

NavigationMode

public NavigationMode(ViewContainer vc)

Initializes a new NavigationMode for the given ViewContainer.

NavigationMode

public NavigationMode()

Initializes a new NavigationMode.

Method Detail

activate

public void activate(boolean b)

When activated disables scrollbars in Graph2DView, when deactivated restores previous scroll bar state and cursor.

Overrides:

activate in class ViewMode

Parameters:

b - set true when mode was activated false otherwise

isAdjustScrollBarPolicy

public boolean isAdjustScrollBarPolicy()

Returns true if the scroll bars in Graph2DView will be disabled when this mode is activated (default).

Returns:

true if the scroll bars in Graph2DView will be disabled when this mode is activated (default).

setAdjustScrollBarPolicy

public void setAdjustScrollBarPolicy(boolean adjustScrollBarPolicy)

Whether the scroll bars will be disabled when this mode is activated.

Parameters:

adjustScrollBarPolicy - true if the scroll bars in Graph2DView should be disabled when this mode is activated (default).

getPopupMode

public PopupMode getPopupMode()

Returns the popup mode associated with this mode.

setPopupMode

public void setPopupMode(PopupMode pl)

Sets the popup mode for this mode. If a popup mode is set for this mode then the right mouse button will be used to activate that mode.

mousePressedLeft

public void mousePressedLeft(double x,
                             double y)

Initiates a navigation action.

Overrides:

mousePressedLeft in class ViewMode

Parameters:

x - the x-coordinate of the mouse event in world coordinates.

y - the y-coordinate of the mouse event in world coordinates.

mousePressedRight

public void mousePressedRight(double x,
                              double y)

Either activates a popup mode or an animated scroller for the view.

Overrides:

mousePressedRight in class ViewMode

Parameters:

x - the x-coordinate of the mouse event in world coordinates.

y - the y-coordinate of the mouse event in world coordinates.

mouseReleasedRight

public void mouseReleasedRight(double x,
                               double y)

Terminates a navigation action.

Overrides:

mouseReleasedRight in class ViewMode

Parameters:

x - the x-coordinate of the mouse event in world coordinates.

y - the y-coordinate of the mouse event in world coordinates.

mouseReleasedLeft

public void mouseReleasedLeft(double x,
                              double y)

Terminates a navigation action.

Overrides:

mouseReleasedLeft in class ViewMode

Parameters:

x - the x-coordinate of the mouse event in world coordinates.

y - the y-coordinate of the mouse event in world coordinates.

mouseDraggedLeft

public void mouseDraggedLeft(double x,
                             double y)

Moves the viewport of this view.

Overrides:

mouseDraggedLeft in class ViewMode

Parameters:

x - the x-coordinate of the mouse event in world coordinates.

y - the y-coordinate of the mouse event in world coordinates.

mouseDraggedRight

public void mouseDraggedRight(double x,
                              double y)

Moves the viewport of this view in an animated fashion.

Overrides:

mouseDraggedRight in class ViewMode

Parameters:

x - the x-coordinate of the mouse event in world coordinates.

y - the y-coordinate of the mouse event in world coordinates.

getDefaultCursor

public java.awt.Cursor getDefaultCursor()

Returns the default cursor that will be used if the navigation will not be active.

Returns:

the default cursor that will be used if the navigation will not be active.

setDefaultCursor

public void setDefaultCursor(java.awt.Cursor defaultCursor)

Sets the default cursor for this view mode. By default this cursor will be used when the left mouse button is not being pressed. By default the Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR) is set.

Parameters:

defaultCursor - the cursor that is visible if the left mouse button is not pressed.

getNavigationCursor

public java.awt.Cursor getNavigationCursor()

Returns the cursor that will be used if the navigation will be active.

Returns:

the cursor that will be used if the navigation will be active.

setNavigationCursor

public void setNavigationCursor(java.awt.Cursor navigationCursor)

Sets the cursor for this view mode that will be used if the navigation will be active. By default this cursor will be used when the left mouse button is being pressed. By default the Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR) is set.

Parameters:

navigationCursor - the cursor that is visible if the left mouse button is pressed.

getScroller

public Scroller getScroller()

Returns the Scroller instance used to implement the right drag navigation action.