new CellSelection()
Extends
Members
currentDrag :Point
The pixel location of the mouse pointer during a drag operation.
Type:
currentHoverCell :Point
the cell location where the cursor is currently
Type:
- Inherited From:
- Default Value:
- null
cursor :string
the cursor I want to be displayed
Type:
- string
- Inherited From:
- Default Value:
- null
detached :Feature
a temporary holding field for my next feature when I'm in a disconnected state
Type:
- Inherited From:
- Default Value:
- null
lastDragCell :Object
the cell coordinates of the where the mouse pointer is during a drag operation
Type:
- Object
next :Feature
the next feature to be given a chance to handle incoming events
Type:
- Inherited From:
- Default Value:
- null
sbAutoStart :number
a millisecond value representing the time the current autoscroll started
Type:
- number
- Default Value:
- 0
sbLastAuto :number
a millisecond value representing the previous time an autoscroll started
Type:
- number
- Default Value:
- 0
Methods
attachChain()
reattach my child from the detached reference
- Inherited From:
checkDragScroll(grid, mouse)
this checks while were dragging if we go outside the visible bounds, if so, kick off the external autoscroll check function (above)
Parameters:
| Name | Type | Description |
|---|---|---|
grid |
Hypergrid | |
mouse |
Object | the event details |
detachChain()
disconnect my child
- Inherited From:
extendSelection(grid, gridCell, keys)
extend a selection or create one if there isnt yet
Parameters:
| Name | Type | Description |
|---|---|---|
grid |
Hypergrid | |
gridCell |
Object | the event details |
keys |
Array | array of the keys that are currently pressed down |
getAutoScrollAcceleration()
If we are holding down the same navigation key, accelerate the increment we scroll
returns: integer
getAutoScrollDuration()
answer how long we have been auto scrolling
returns: integer
handleDOWN(grid, event)
Parameters:
| Name | Type | Description |
|---|---|---|
grid |
Hypergrid | |
event |
Object | the event details |
handleDOWNSHIFT(grid)
Parameters:
| Name | Type | Description |
|---|---|---|
grid |
Hypergrid |
handleKeyDown(grid, event)
Parameters:
| Name | Type | Description |
|---|---|---|
grid |
Hypergrid | |
event |
Object | the event details |
- Overrides:
- Feature#handleKeyDown
handleLEFT(grid, event)
Parameters:
| Name | Type | Description |
|---|---|---|
grid |
Hypergrid | |
event |
Object | the event details |
handleLEFTSHIFT(grid, event)
Parameters:
| Name | Type | Description |
|---|---|---|
grid |
Hypergrid | |
event |
Object | the event details |
handleMouseDown(grid, event)
Parameters:
| Name | Type | Description |
|---|---|---|
grid |
Hypergrid | |
event |
Object | the event details |
- Overrides:
- Feature#handleMouseDown
handleMouseDrag(grid, event)
Parameters:
| Name | Type | Description |
|---|---|---|
grid |
Hypergrid | |
event |
Object | the event details |
- Overrides:
- Feature#handleMouseDrag
handleMouseDragCellSelection(grid, mouse, keys)
Handle a mousedrag selection.
Parameters:
| Name | Type | Description |
|---|---|---|
grid |
Hypergrid | |
mouse |
Object | the event details |
keys |
Array | array of the keys that are currently pressed down |
handleMouseUp(grid, event)
Parameters:
| Name | Type | Description |
|---|---|---|
grid |
Hypergrid | |
event |
Object | the event details |
- Overrides:
- Feature#handleMouseUp
handleRIGHT(grid, event)
Parameters:
| Name | Type | Description |
|---|---|---|
grid |
Hypergrid | |
event |
Object | the event details |
handleRIGHTSHIFT(grid, event)
Parameters:
| Name | Type | Description |
|---|---|---|
grid |
Hypergrid | |
event |
Object | the event details |
handleUP(grid, event)
Parameters:
| Name | Type | Description |
|---|---|---|
grid |
Hypergrid | |
event |
Object | the event details |
handleUPSHIFT(grid, event)
Parameters:
| Name | Type | Description |
|---|---|---|
grid |
Hypergrid | |
event |
Object | the event details |
isFirstFixedColumn(grid, event)
Parameters:
| Name | Type | Description |
|---|---|---|
grid |
Hypergrid | |
event |
Object | the event details |
- Inherited From:
isFirstFixedRow(grid, event)
Parameters:
| Name | Type | Description |
|---|---|---|
grid |
Hypergrid | |
event |
Object | the event details |
- Inherited From:
moveShiftSelect(grid, offsetX, offsetY)
Augment the most recent selection extent by (offsetX,offsetY) and scroll if necessary.
Parameters:
| Name | Type | Description |
|---|---|---|
grid |
Hypergrid | |
offsetX |
number | x coordinate to start at |
offsetY |
number | y coordinate to start at |
pingAutoScroll()
update the autoscroll start time if we haven't autoscrolled within the last 500ms otherwise update the current autoscroll time
scrollDrag(grid)
this function makes sure that while we are dragging outside of the grid visible bounds, we srcroll accordingly
Parameters:
| Name | Type | Description |
|---|---|---|
grid |
Hypergrid |
setAutoScrollStartTime()
set the start time to right now when we initiate an auto scroll