JavaScript Data Grid DragToScroll

In this article

• Description
• Options
  • dragToScroll
• Members
  • boundaries
• Methods
  • check
  • destroy
  • disablePlugin
  • enablePlugin
  • isEnabled
  • setBoundaries
  • setCallback
  • updatePlugin

Description

Plugin used to scroll Handsontable by selecting a cell and dragging outside of the visible viewport.

Options

dragToScroll

Source code (opens new window)

dragToScroll.dragToScroll : boolean

The dragToScroll option configures the DragToScroll plugin.

You can set the dragToScroll option to one of the following:

Setting	Description
true (default)	When selection reaches the edge of the grid's viewport, scroll the viewport
false	Don't scroll the viewport

Read more:

• Plugins: DragToScroll

Default: true
Example

// when selection reaches the edge of the grid's viewport, scroll the viewport
dragToScroll: true,

Members

boundaries

Source code (opens new window)

dragToScroll.boundaries : DOMRect

Size of an element and its position relative to the viewport, e.g. {bottom: 449, height: 441, left: 8, right: 814, top: 8, width: 806, x: 8, y:8}.

Methods

check

Source code (opens new window)

dragToScroll.check(x, y)

Checks if the mouse position (X, Y) is outside the viewport and fires a callback with calculated X an Y diffs between passed boundaries.

Param	Type	Description
x	number	Mouse X coordinate to check.
y	number	Mouse Y coordinate to check.

destroy

Source code (opens new window)

dragToScroll.destroy()

Destroys the plugin instance.

disablePlugin

Source code (opens new window)

dragToScroll.disablePlugin()

Disables the plugin functionality for this Handsontable instance.

enablePlugin

Source code (opens new window)

dragToScroll.enablePlugin()

Enables the plugin functionality for this Handsontable instance.

isEnabled

Source code (opens new window)

dragToScroll.isEnabled() ⇒ boolean

Checks if the plugin is enabled in the handsontable settings. This method is executed in Hooks#beforeInit hook and if it returns true then the DragToScroll#enablePlugin method is called.

setBoundaries

Source code (opens new window)

dragToScroll.setBoundaries([boundaries])

Sets the value of the visible element.

Param	Type	Description
[boundaries]	DOMRect Object	optional An object with coordinates. Contains the window boundaries by default. The object is compatible with DOMRect.

setCallback

Source code (opens new window)

dragToScroll.setCallback(callback)

Changes callback function.

Param	Type	Description
callback	function	The callback function.

updatePlugin

Source code (opens new window)

dragToScroll.updatePlugin()

Updates the plugin's state.

This method is executed when updateSettings() is invoked with any of the following configuration options:

• dragToScroll