Class: Base

Sheets.CellTypes.Base

Hierarchy

• Base

  ↳ Button

  ↳ ButtonList

  ↳ CheckBox

  ↳ CheckBoxList

  ↳ ColumnHeader

  ↳ ComboBox

  ↳ Corner

  ↳ FileUpload

  ↳ HyperLink

  ↳ RadioButtonList

  ↳ RangeTemplate

  ↳ RowHeader

  ↳ Text

Table of contents

Constructors

• constructor

Properties

• typeName

Methods

• activateEditor
• createEditorElement
• deactivateEditor
• focus
• format
• fromJSON
• getAutoFitHeight
• getAutoFitWidth
• getEditorValue
• getHitInfo
• isEditingValueChanged
• isImeAware
• isReservedKey
• paint
• paintContent
• parse
• processKeyDown
• processKeyUp
• processMouseDown
• processMouseEnter
• processMouseLeave
• processMouseMove
• processMouseUp
• selectAll
• setEditorValue
• toJSON
• updateEditor
• updateEditorContainer
• updateImeMode

Constructors

constructor

• new Base()

Represents the base class for the other cell type classes.

example

// define a custom cell type
function MyCellType(color) {
    GC.Spread.Sheets.CellTypes.Base.apply(this, arguments);
    this.color = color || "orange";
    this.typeName = "MyCellType";
}
MyCellType.prototype = new GC.Spread.Sheets.CellTypes.Base();
MyCellType.prototype.paint = function (ctx, value, x, y, width, height, style, context) {
    var MARGIN = 5,
        plotLeft = x + MARGIN,
        plotWidth = width - 2 * MARGIN,
        plotTop = y + MARGIN,
        plotHeight = height - 2 * MARGIN,
        halfHeight = plotHeight / 2,
        halfWidth = plotWidth / 2;

    ctx.beginPath();
    ctx.moveTo(plotLeft, plotTop + halfHeight);
    ctx.lineTo(plotLeft + halfWidth, plotTop);
    ctx.lineTo(plotLeft + plotWidth, plotTop + halfHeight);
    ctx.lineTo(plotLeft + halfWidth, plotTop + plotHeight);
    ctx.lineTo(plotLeft, plotTop + halfHeight);
    ctx.strokeStyle = this.color;
    ctx.stroke();
};
// set the custom cell type to a cell
sheet.setCellType(0, 0, new MyCellType("green"));

Properties

typeName

• typeName: string

Represents the type name string used for supporting serialization.

Methods

activateEditor

▸ activateEditor(editorContext, cellStyle, cellRect, context?): void

Activates the editor, including setting properties or attributes for the editor and binding events for the editor.

Parameters

Name	Type	Description
editorContext	HTMLElement	The DOM element that was created by the createEditorElement method.
cellStyle	Style	The cell's actual style.
cellRect	Rect	The cell's layout information.
context?	any	The context associated with the cell type. See the Remarks for more information.

Returns

void

---

createEditorElement

▸ createEditorElement(context?): HTMLElement

Creates a DOM element then returns it.

Parameters

Name	Type	Description
context?	any	The context associated with the cell type. See the Remarks for more information.

Returns

HTMLElement

Returns a DOM element.

---

deactivateEditor

▸ deactivateEditor(editorContext, context?): void

Deactivates the editor, such as unbinding events for editor.

Parameters

Name	Type	Description
editorContext	HTMLElement	The DOM element that was created by the createEditorElement method.
context?	any	The context associated with the cell type. See the Remarks for more information.

Returns

void

---

focus

▸ focus(editorContext, context?): void

Focuses the editor DOM element.

Parameters

Name	Type	Description
editorContext	HTMLElement	The DOM element that was created by the createEditorElement method.
context?	any	The context associated with the cell type. See the Remarks for more information.

Returns

void

---

format

▸ format(value, format, formattedData?, context?): string

Formats a value with the specified format to a string.

Parameters

Name	Type	Description
value	any	The object value to format.
format	string | GeneralFormatter	The format.
formattedData?	FormattedData	the formatted data.
context?	any	The context associated with the cell type. See the Remarks for more information.

Returns

string

Returns the formatted string.

---

fromJSON

▸ fromJSON(settings): void

Loads the object state from the specified JSON string.

Parameters

Name	Type	Description
settings	any	The cell type data from deserialization.

Returns

void

---

getAutoFitHeight

▸ getAutoFitHeight(value, text, cellStyle, zoomFactor, context?): number

Gets a cell's height that can be used to handle the row's automatic fit.

Parameters

Name	Type	Description
value	any	The cell's value.
text	string	The cell's text.
cellStyle	Style	The cell's actual value.
zoomFactor	number	The current sheet's zoom factor.
context?	any	The context associated with the cell type. See the Remarks for more information.

Returns

number

Returns the cell's height that can be used to handle the row's automatic fit.

---

getAutoFitWidth

▸ getAutoFitWidth(value, text, cellStyle, zoomFactor, context?): number

Gets a cell's width that can be used to handle the column's automatic fit.

Parameters

Name	Type	Description
value	any	The cell's value.
text	string	The cell's text.
cellStyle	Style	The cell's actual value.
zoomFactor	number	The current sheet's zoom factor.
context?	any	The context associated with the cell type. See the Remarks for more information.

Returns

number

Returns the cell's width that can be used to handle the column's automatic fit.

---

getEditorValue

▸ getEditorValue(editorContext, context?): any

Gets the editor's value.

Parameters

Name	Type	Description
editorContext	HTMLElement	The DOM element that was created by the createEditorElement method.
context?	any	The context associated with the cell type. See the Remarks for more information.

Returns

any

Returns the editor's value.

---

getHitInfo

▸ getHitInfo(x, y, cellStyle, cellRect, context?): IHitTestCellTypeHitInfo

Gets the cell type's hit information.

Parameters

Name	Type	Description
x	number	x-coordinate of pointer's current location relative to the canvas.
y	number	y-coordinate of pointer's current location relative to the canvas.
cellStyle	Style	The current cell's actual style.
cellRect	Rect	The current cell's layout information.
context?	any	The context associated with the cell type. See the Remarks for more information.

Returns

IHitTestCellTypeHitInfo

Returns an object that contains the x, y, row, col, cellRect, and sheetArea parameters, and a value to indicate isReservedLocation. isReservedLocation is true if the hit test is in a special area that the cell type needs to handle; otherwise, false.

---

isEditingValueChanged

▸ isEditingValueChanged(oldValue, newValue, context?): boolean

Whether the editing value has changed.

Parameters

Name	Type	Description
oldValue	any	Old editing value.
newValue	any	New editing value.
context?	any	The context associated with the cell type. See the Remarks for more information.

Returns

boolean

true if oldValue equals newValue; otherwise, false.

---

isImeAware

▸ isImeAware(context?): boolean

Whether this cell type is aware of IME.

Parameters

Name	Type	Description
context?	any	The context associated with the cell type. See the Remarks for more information.

Returns

boolean

true if the cell type is aware of IME; otherwise, false.

---

isReservedKey

▸ isReservedKey(e, context?): boolean

Whether the cell type handles the keyboard event itself.

Parameters

Name	Type	Description
e	KeyboardEvent	The KeyboardEvent.
context?	any	The context associated with the cell type. See the Remarks for more information.

Returns

boolean

Returns true if the cell type handles the keyboard event itself; otherwise, false.

---

paint

▸ paint(ctx, value, x, y, w, h, style, context?): void

Paints a cell on the canvas.

Parameters

Name	Type	Description
ctx	CanvasRenderingContext2D	The canvas's two-dimensional context.
value	any	The cell's value.
x	number	x-coordinate relative to the canvas.
y	number	y-coordinate relative to the canvas.
w	number	The cell's width.
h	number	The cell's height.
style	Style	The cell's actual style.
context?	any	The context associated with the cell type. See the Remarks for more information.

Returns

void

---

paintContent

▸ paintContent(ctx, value, x, y, w, h, style, context?): void

Paints the cell content area on the canvas.

Parameters

Name	Type	Description
ctx	CanvasRenderingContext2D	The canvas's two-dimensional context.
value	any	The cell's value.
x	number	x-coordinate relative to the canvas.
y	number	y-coordinate relative to the canvas.
w	number	The cell content area's width.
h	number	The cell content area's height.
style	Style	The cell's actual style.
context?	any	The context associated with the cell type. See the Remarks for more information.

Returns

void

---

parse

▸ parse(text, formatStr, context?): any

Parses the text with the specified format string to an object.

Parameters

Name	Type	Description
text	string	The parse text string.
formatStr	string	The parse format string.
context?	any	The context associated with the cell type. See the Remarks for more information.

Returns

any

The parsed object.

---

processKeyDown

▸ processKeyDown(event, context?): boolean

Processes key down in display mode.

Parameters

Name	Type	Description
event	KeyboardEvent	The KeyboardEvent.
context?	any	The context associated with the cell type. See the Remarks for more information.

Returns

boolean

Returns true if the process is successful; otherwise, false.

---

processKeyUp

▸ processKeyUp(event, context?): boolean

Processes key up in display mode.

Parameters

Name	Type	Description
event	KeyboardEvent	The KeyboardEvent.
context?	any	The context associated with the cell type. See the Remarks for more information.

Returns

boolean

Returns true if the process is successful; otherwise, false.

---

processMouseDown

▸ processMouseDown(hitInfo): boolean

Processes mouse down in display mode.

Parameters

Name	Type	Description
hitInfo	IHitTestCellTypeHitInfo	The hit test information returned by the getHitInfo method. See the Remarks for more information.

Returns

boolean

Returns true if the process is successful; otherwise, false.

---

processMouseEnter

▸ processMouseEnter(hitInfo): boolean

Processes mouse enter in display mode.

Parameters

Name	Type	Description
hitInfo	IHitTestCellTypeHitInfo	The hit test information returned by the getHitInfo method. See the Remarks for more information.

Returns

boolean

Returns true if the process is successful; otherwise, false.

---

processMouseLeave

▸ processMouseLeave(hitInfo): boolean

Processes mouse leave in display mode.

Parameters

Name	Type	Description
hitInfo	IHitTestCellTypeHitInfo	The hit test information returned by the getHitInfo method. See the Remarks for more information.

Returns

boolean

Returns true if the process is successful; otherwise, false.

---

processMouseMove

▸ processMouseMove(hitInfo): boolean

Processes mouse move in display mode.

Parameters

Name	Type	Description
hitInfo	IHitTestCellTypeHitInfo	The hit test information returned by the getHitInfo method. See the Remarks for more information.

Returns

boolean

Returns true if the process is successful; otherwise, false.

---

processMouseUp

▸ processMouseUp(hitInfo): boolean

Processes mouse up in display mode.

Parameters

Name	Type	Description
hitInfo	IHitTestCellTypeHitInfo	The hit test information returned by the getHitInfo method. See the Remarks for more information.

Returns

boolean

Returns true if the process is successful; otherwise, false.

---

selectAll

▸ selectAll(editorContext, context?): void

Selects all the text in the editor DOM element.

Parameters

Name	Type	Description
editorContext	HTMLElement	The DOM element that was created by the createEditorElement method.
context?	any	The context associated with the cell type. See the Remarks for more information.

Returns

void

---

setEditorValue

▸ setEditorValue(editorContext, value, context?): void

Sets the editor's value.

Parameters

Name	Type	Description
editorContext	HTMLElement	The DOM element that was created by the createEditorElement method.
value	any	The value returned from the active cell.
context?	any	The context associated with the cell type. See the Remarks for more information.

Returns

void

---

toJSON

▸ toJSON(): any

Saves the object state to a JSON string.

Returns

any

The cell type data.

---

updateEditor

▸ updateEditor(editorContext, cellStyle, cellRect, context?): Rect

Updates the editor's size.

Parameters

Name	Type	Description
editorContext	HTMLElement	The DOM element that was created by the createEditorElement method.
cellStyle	Style	The cell's actual style.
cellRect	Rect	The cell's layout information.
context?	any	The context associated with the cell type. See the Remarks for more information.

Returns

Rect

Returns the new size for cell wrapper element, it should contain two properties 'width' and 'height'.

---

updateEditorContainer

▸ updateEditorContainer(editorContext, editorBounds, cellStyle): void

Updates the cell wrapper element size.

Parameters

Name	Type	Description
editorContext	HTMLElement	The DOM element that was created by the createEditorElement method.
editorBounds	Rect	The cell wrapper element's new size.
cellStyle	Style	The cell's actual style.

Returns

void

---

updateImeMode

▸ updateImeMode(editorContext, imeMode, context?): void

Updates the editor's ime-mode.

Parameters

Name	Type	Description
editorContext	HTMLElement	The DOM element that was created by the createEditorElement method.
imeMode	ImeMode	The ime-mode from cell's actual style.
context?	any	The context associated with the cell type. See the Remarks for more information.

Returns

void