1.20.2 Sidebar table of contents

The table of contents of the sidebar is configured as follows:

config_viewer.xml

<sidebar>
    <sidebarToc enabled="true">
        <visibleInFullscreen>true</visibleInFullscreen>
        <pageNumbersVisible>true</pageNumbersVisible>
        <lengthBeforeCut>60</lengthBeforeCut>
        <useTreeView>false</useTreeView>
        <initialCollapseLevel>2</initialCollapseLevel>
        <collapseLengthThreshold lowestLevelToTest="2">0</collapseLengthThreshold>
    </sidebarToc>
</sidebar>

enabled	Display of this element (true/false)
visibleInFullscreen	Display this item in full screen mode accordion (true/false)
pageNumbersVisible	Display of page numbers in this view (true/false)
lengthBeforeCut	Maximum number of characters for each element (longer titles can be displayed by clicking on more...).
useTreeView	Display as fold-out tree
initialCollapseLevel	The hierarchy level up to which the view is initially collapsed (if the configuration was specified this way):<useTreeView>true</useTreeView>
collapseLengthThreshold	If this value is greater than 0, all elements that have more children than this value specifies are always initially collapsed. lowestLevelToTest specifies the lowest hierarchy level at which this method is to be applied.