Class: CalloutCreateTool

Core.Tools. CalloutCreateTool

Represents the tool for creating Core.Annotations.FreeTextAnnotation.

new CalloutCreateTool(docViewer)

Parameters:
Name Type Description
docViewer Core.DocumentViewer An instance of DocumentViewer.
Properties:
Name Type Description
lineCount number The number of segments for the line of the created callout
defaults object The default styles of the tool
Properties
Name Type Description
StrokeColor Core.Annotations.Color The stroke color of the tool
FillColor Core.Annotations.Color The fill color of the tool
TextColor Core.Annotations.Color The text color of the tool
Opacity number The opacity of the tool
StrokeThickness number The stroke thickness of the tool
FontSize string The font size of the tool. Should be a string with a number followed by units of either pt or px. For example "16pt". If no unit is specified then pt will be used.
Width number The width of the text box
Height number The height of the text box
Font string The font family of the tool. The value should be web safe fonts
TextAlign 'left' | 'center' | 'right' The text alignment of the tool

Extends

Methods


<static> setTextHandler(handler)

Parameters:
Name Type Description
handler function A function that should return a string that will be used as the initial text for a freetext annotation

addEventListener(type, fn [, options])

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
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Overrides:
Returns:
Returns the object that 'addEventListener' is being called on
Type
object
Example
myObject.addEventListener('eventName', (eventParameter1, eventParameter2) => {
  ...
});

contextMenu(e)

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
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disableAutoSizedTextBox()

Disables auto resizing of the annotation text box

disableCreationOverAnnotation()

Prevent the tool from creating new annotations when hovering over an existing annotation. The annotation will be selected instead.
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disableImmediateActionOnAnnotationSelection()

Disable whether the tool should trigger an action immediately after clicking an annotation. When this is disabled you need to first click on annotation to select it before you can drag it. This behavior is disabled by default.
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enableAutoSizedTextBox()

Enables the text box of the annotation to auto resize with a fixed width when the text changes The width can be adjusted by changing calloutTool.defaults.Width to a different value

enableCreationOverAnnotation()

Allow the tool to create new annotations when hovering over an existing annotation
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enableImmediateActionOnAnnotationSelection()

Sets if the tool should trigger actions immediately after clicking an annotation. For example, if this is enabled then you can immediately click and drag an annotation without making a separate click to select the annotation.
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Overrides:
Example
To enable this for one tool (The Pan tool, for example), this can be done:

const tool = docViewer.getTool(window.Core.Tools.ToolNames.PAN);
tool.enableImmediateActionOnAnnotationSelection();

To enable this for all selection tools, this can be done:

const allTools = Object.values(docViewer.getToolModeMap());
for (const tool of allTools) {
  if (tool instanceof Tools.AnnotationSelectTool) {
    tool.enableImmediateActionOnAnnotationSelection();
  }
}

getDocumentViewer()

Returns the instance of DocumentViewer for this tool.
Inherited From:
Overrides:
Returns:
The instance of DocumentViewer for this tool.
Type
Core.DocumentViewer

getMouseLocation(e)

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
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Overrides:
Returns:
Returns an object with x and y coordinates of the mouse cursor in the viewer
Type
Core.Math.Point

getSnapMode()

Get the current snap mode that will be used to calculate the end point position
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Overrides:
See:
Returns:
Enum for a snapping mode for the snapping.
Type
number

keyDown(e)

The function is called when a keyboard key is down.
Parameters:
Name Type Description
e The event object containing keyboard key data.
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mouseDoubleClick(e)

The function is called when the mouse left button is double clicked.
Parameters:
Name Type Description
e The event object containing mouse coordinates.
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mouseLeftDown(e)

The function called when the left mouse button is down
Parameters:
Name Type Description
e The event object containing mouse coordinates.
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mouseLeftUp(e)

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.
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mouseMove(e)

The function called when the mouse moves.
Parameters:
Name Type Description
e The event object containing mouse coordinates.
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Overrides:
Returns:
A promise that resolves when the method execution is finished
Type
Promise.<void>

mouseRightDown(e)

The function called when the right mouse button is down.
Parameters:
Name Type Description
e The event object containing mouse coordinates.
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removeEventListener( [type] [, fn])

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.
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Overrides:
Returns:
Returns the object that 'removeEventListener' is being called on
Type
object
Example
myObject.removeEventListener('eventName.namespace');
myObject.removeEventListener('eventName', fn);

setName(name)

Set the name of the tool, which can be accessed by toolObject.name
Parameters:
Name Type Description
name string Name of the tool
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setSnapMode(mode)

Set the snap mode that will be used to calculate the end point position
Parameters:
Name Type Description
mode number Enum for a snapping mode for the snapping.
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Overrides:
See:

setStyles(newStyles)

Set the style for the tool, which will be applied to annotations drawn afterwards
Parameters:
Name Type Description
newStyles object | function if an object is used, it should contain properties of the new styles. If a function is used, the current styles will be passed as its argument and the function should return an object which contains properties of the new styles. Example of valid properties: StrokeColor, TextColor, FillColor, FontSize, Opacity, StrokeThickness, Precision, Scale, OverlayText, Style and Dashes.
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switchIn(oldTool)

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.
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switchOut(newTool)

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.
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trigger(type [, data])

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
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Overrides:
Returns:
Returns the object that 'trigger' is being called on
Type
object
Example
myObject.trigger('eventName');
myObject.trigger('eventName', [eventParameter1, eventParameter2]);

Events


annotationAdded

Triggered when an annotation has been added to the document by the tool
Parameters:
Name Type Description
annotation Core.Annotations.Annotation The annotation that was added
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annotationCreated

Triggered when an annotation has been created by the tool
Parameters:
Name Type Description
annotations Core.Annotations.Annotation The annotation that was created
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Overrides: