LabelHelper

Library "LabelHelper"
Utility for managing active labels on the chart.

add(level, txt, labelColor, textColor) For displaying a lable at the last bar.
Parameters:
level: The value to display the label at.
txt: The text to show on the label.
labelColor: The color of the label.
textColor: The text color of the label.
Returns: The label being managed.

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v2 comment fixes

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v3 Added tooltip option.

Updated:
add(level, txt, labelColor, textColor, tooltip) For displaying a label at the last bar.
Parameters:
level: The value to display the label at.
txt: The text to show on the label.
labelColor: The color of the label.
textColor: The text color of the label.
tooltip: The optional tooltip of the label.
Returns: The label being managed.

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v4 fixed issue with empty tootip

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v5 Avoiding na value for tooltip.

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v6 Added allowance for a bar offset.

Updated:
add(level, txt, labelColor, textColor, offset, tooltip) For displaying a label at the last bar.
Parameters:
level: The value to display the label at.
txt: The text to show on the label.
labelColor: The color of the label.
textColor: The text color of the label.
offset: A positive value will push label to the right and a negative to the left.
tooltip: The optional tooltip of the label.
Returns: The label being managed.

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v7 Much improved API with higher reliability and flexibility.

Added:
refreshXPos(lbl, offset) Refreshes the x position of label.
Parameters:
lbl: The label to update.
offset: A positive value will push label one bar to the right and a negative value to the left.
Returns: The time value that was used.

create(level, txt, labelColor, textColor, size, textAlign, offset, tooltip) For creating a label at the last bar.
Parameters:
level: The value to display the label at.
txt: The text to show on the label.
labelColor: The background color of the label.
textColor: The text color of the label.
size: The size of the text. Default is large.
textAlign: The alignment of the text. Default is left.
offset: A positive value will push label to the right and a negative to the left.
tooltip: The optional tooltip of the label.
Returns: The label that was created.

Updated:
add(level, txt, labelColor, textColor, size, textAlign, offset, tooltip) For displaying a label at the last bar.
Parameters:
level: The value to display the label at.
txt: The text to show on the label.
labelColor: The background color of the label.
textColor: The text color of the label.
size: The size of the text. Default is large.
textAlign: The alignment of the text. Default is left.
offset: A positive value will push label to the right and a negative to the left.
tooltip: The optional tooltip of the label.
Returns: The label being managed.

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v8 Deprecated .add(…) in favor of .manage(…): allows for tracking reference to a label outside the function.
.add(…) could leave a hanging label especially when values changed.

Added:
manage(src, txt, labelColor, textColor, size, textAlign, offset, tooltip) For displaying a label at the last bar.
Parameters:
src: The existing label to manage.
txt: The text to show on the label.
labelColor: The background color of the label.
textColor: The text color of the label.
size: The size of the text. Default is large.
textAlign: The alignment of the text. Default is left.
offset: A positive value will push label to the right and a negative to the left.
tooltip: The optional tooltip of the label.
Returns: The active label (or 'na' if no text was provided).

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