Class kaNavigator

Object
   |
   +--kaTool
         |
         +--kaNavigator

class kaNavigator

extends kaTool

kaNavigator is a general purpose navigation tool for kaMap instances. It provides panning through click-and-drag, and various keyboard navigation.
Author: Paul Spencer
Defined in kaTool.js

Field Detail

activeImage

Object activeImage

the image to use for this tool when it is active on the map

bMouseDown

Object bMouseDown

track whether the mouse is down or up for panning support

cursor

Object cursor

the cursor to use over the map (by default)

cursorDrag

Object cursorDrag

the cursor to use when the map is being dragged

cursorNormal

Object cursorNormal

the cursor to use when the map is not being dragged

disabledImage

Object disabledImage

the image to use for this tool when it is disabled

lastx

Object lastx

track the last x position of the mouse for panning

lasty

Object lasty

track the last y position of the mouse for panning

name

Object name

the name of this tool

kaNavigator

kaNavigator( <Object> oKaMap )

Construct a new kaNavigator instance on a given kaMap instance

Parameters:
oKaMap - the kaMap instance to provide navigation for

Author: Paul Spencer

dispatchMapClicked

void dispatchMapClicked(px,py)

ondblclick

void ondblclick(<Event> e)

handle a double-click event by sliding the map to the point that was clicked.

Parameters:
e - the mouse event object

onmousedown

Object onmousedown(<Event> e)

handle mouse down events. Start tracking mouse movement for panning.

Parameters:
e - the mouse event object

onmousemove

Object onmousemove(<Event> e)

handle the mouse moving inside viewport. If the mouse is down, move the map.

Parameters:
e - the mouse event object

onmouseout

Object onmouseout(<Event> e)

handle the mouse leaving the viewport. If the mouse is down, stop dragging.

Parameters:
e - the mouse event object

onmouseup

Object onmouseup(<Event> e)

handle the mouse up events. Stop tracking mouse movement.

Parameters:
e - the mouse event object