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addEventListener(type, fn [, options])
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Add a handler to the given event name
Parameters:
Name |
Type |
Argument |
Description |
type |
string
|
number
|
|
The name of the event to listen to |
fn |
function
|
|
The handler to be called when the event is triggered |
options |
object
|
<optional>
|
Optional options object for addEventListener
Properties
Name |
Type |
Description |
once |
boolean
|
If true then the handler will be called only once |
|
- Inherited From:
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- Overrides:
Returns:
Returns the object that 'addEventListener' is being called on
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Type
-
object
Example
myObject.addEventListener('eventName', (eventParameter1, eventParameter2) => {
...
});
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-
The function is called when a context menu should be shown.
Use e.preventDefault to disable the default browser context menu.
Parameters:
Name |
Type |
Description |
e |
|
The event object |
- Inherited From:
-
- Overrides:
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getDocumentViewer()
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Returns the instance of DocumentViewer for this tool.
- Inherited From:
-
- Overrides:
Returns:
The instance of DocumentViewer for this tool.
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Type
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Core.DocumentViewer
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getMouseLocation(e)
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Takes an event object from a mouse event and converts the location into window coordinates
Parameters:
Name |
Type |
Description |
e |
|
The event object containing mouse coordinates |
- Inherited From:
-
- Overrides:
Returns:
Returns an object with x and y coordinates of the mouse cursor in the viewer
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Type
-
Core.Math.Point
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keyDown(e)
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The function is called when a keyboard key is down.
Parameters:
Name |
Type |
Description |
e |
|
The event object containing keyboard key data. |
- Inherited From:
-
- Overrides:
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mouseDoubleClick(e)
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The function is called when the mouse left button is double clicked.
Parameters:
Name |
Type |
Description |
e |
|
The event object containing mouse coordinates. |
- Inherited From:
-
- Overrides:
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mouseLeftDown(e)
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The function called when the left mouse button is down
Parameters:
Name |
Type |
Description |
e |
|
The event object containing mouse coordinates. |
- Inherited From:
-
- Overrides:
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mouseLeftUp(e)
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The function called when the left mouse button is up.
Typically, annotations are created and added to the annotation manager at this point.
Parameters:
Name |
Type |
Description |
e |
|
The event object containing mouse coordinates. |
- Inherited From:
-
- Overrides:
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mouseMove(e)
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The function called when the mouse moves.
Parameters:
Name |
Type |
Description |
e |
|
The event object containing mouse coordinates. |
- Inherited From:
-
- Overrides:
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mouseRightDown(e)
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The function called when the right mouse button is down.
Parameters:
Name |
Type |
Description |
e |
|
The event object containing mouse coordinates. |
- Inherited From:
-
- Overrides:
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removeEventListener( [type] [, fn])
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Remove a handler of the given event name and namespace (if given) or with a function reference
Parameters:
Name |
Type |
Argument |
Description |
type |
string
|
number
|
<optional>
|
The name of the event to remove the handler of with an optional namespace. |
fn |
function
|
<optional>
|
The handler associated with this event to be removed.
If fn is undefined, all the handlers of the given event namespace will be removed.
If you are not passing in this parameter then a namespace must be used with the event name. |
- Inherited From:
-
- Overrides:
Returns:
Returns the object that 'removeEventListener' is being called on
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Type
-
object
Example
myObject.removeEventListener('eventName.namespace');
myObject.removeEventListener('eventName', fn);
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setName(name)
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Set the name of the tool, which can be accessed by toolObject.name
Parameters:
Name |
Type |
Description |
name |
string
|
Name of the tool |
- Inherited From:
-
- Overrides:
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setStyles(newStyles)
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Set the style for the tool, which will be applied to annotations drawn afterwards
Parameters:
Name |
Type |
Description |
newStyles |
object
|
if an object is used, it should contain properties of the new styles.
Example of valid properties: StrokeColor, TextColor, FillColor, FontSize, Opacity, StrokeThickness, Precision, Scale, OverlayText, Style and Dashes. |
- Inherited From:
-
- Overrides:
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switchIn(oldTool)
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The function is called when this tool is selected.
Typically use for changing mouse cursors, and initializing states for the tool.
Parameters:
Name |
Type |
Description |
oldTool |
Core.Tools.Tool
|
The Tool class that was previously selected. |
- Inherited From:
-
- Overrides:
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switchOut(newTool)
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The function is called when this tool is deselected.
Typically use for changing mouse cursors, and cleaning up states for the tool.
Parameters:
Name |
Type |
Description |
newTool |
Core.Tools.Tool
|
The Tool class that was newly selected. |
- Inherited From:
-
- Overrides:
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trigger(type [, data])
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Calls the handlers of the event name with given data
Parameters:
Name |
Type |
Argument |
Description |
type |
string
|
number
|
|
event name of which the handlers will be called. |
data |
*
|
<optional>
|
data that will be passed to the handlers.
If data is an array, it will be spread and then passed to the handlers |
- Inherited From:
-
- Overrides:
Returns:
Returns the object that 'trigger' is being called on
-
Type
-
object
Example
myObject.trigger('eventName');
myObject.trigger('eventName', [eventParameter1, eventParameter2]);