PinchInputMode (yFiles AJAX 2.0 API)

Class

yfiles.client.tiles.PinchInputMode
Class PinchInputMode

This input mode enables pinch zooming for a graph canvas.

All Parent Classes:: InputMode

Field Summary
`Number`	`pinchTimeout` The delay between actual zoom level and viewpoint changes caused by subsequent changes of the pinch touch locations, in milliseconds. The default value is 20.

Constructor Summary
`PinchInputMode(/yfiles.client.tiles.canvas.GraphCanvas/ canvas)`

Method Summary
	`_onPinch(/Object/ worldCoords1, /Object/ worldCoords2, /Object/ pinchTouches)` Called when at least one of the touch locations of a pinch gesture changes.
	`_onPinchEnd(/Object/ worldCoords1, /Object/ worldCoords2, /Touch[]/ pinchTouches)` Called when a pinch gesture has ended.
	`_onPinchStart(/Object/ worldCoords1, /Object/ worldCoords2, /Touch[]/ pinchTouches)` Called when a pinch gesture has started.
	`activate()` Activates this input mode.
	`deactivate()` Deactivates this input mode.

Field Detail

pinchTimeout

/*Number*/ pinchTimeout

The delay between actual zoom level and viewpoint changes caused by subsequent changes of the pinch touch locations, in milliseconds. The default value is 20.

Constructor Detail

PinchInputMode

PinchInputMode(/*yfiles.client.tiles.canvas.GraphCanvas*/ canvas)

Parameters:: canvas -

Method Detail

_onPinch

_onPinch(/*Object*/ worldCoords1, /*Object*/ worldCoords2, /*Object*/ pinchTouches)

Called when at least one of the touch locations of a pinch gesture changes.

Parameters:: worldCoords1 - An object with x and y properties specifying the world coordinates of the first touch of the pinch gesture.; worldCoords2 - An object with x and y properties specifying the world coordinates of the second touch of the pinch gesture.; pinchTouches - An array containing the two touches of the pinch gesture.

_onPinchEnd

_onPinchEnd(/*Object*/ worldCoords1, /*Object*/ worldCoords2, /*Touch[]*/ pinchTouches)

Called when a pinch gesture has ended.

Deactivates this input mode, and delegates to the parent input mode, if available.

Parameters:: worldCoords1 - An object with x and y properties specifying the world coordinates of the first touch of the pinch gesture.; worldCoords2 - An object with x and y properties specifying the world coordinates of the second touch of the pinch gesture.; pinchTouches - An array containing the two touches of the pinch gesture.

_onPinchStart

_onPinchStart(/*Object*/ worldCoords1, /*Object*/ worldCoords2, /*Touch[]*/ pinchTouches)

Called when a pinch gesture has started.

Parameters:: worldCoords1 - An object with x and y properties specifying the world coordinates of the first touch of the pinch gesture.; worldCoords2 - An object with x and y properties specifying the world coordinates of the second touch of the pinch gesture.; pinchTouches - An array containing the two touches of the pinch gesture.

activate

activate()

Activates this input mode.

This implementation just delegates to the super implementation.

deactivate

deactivate()

Deactivates this input mode.