Navigation Properties
Plone site-wide navigation properties are stored at property tool's sheet navtree_properties.
They can be set using GenericSetup throught the propertiestool.xml file. Check the CMFPlone/profiles/default/propertiestool.xml file for an example.
| sortAttribute | getObjPositionInParent | string | Catalog index that will be used to sort navigation results. |
| sortOrder | asc | string | Sort order for navigation results. |
| sitemapDepth | 3 | int | Depth of the generated sitemap. |
| name | string | Name for the navigation portlet. Not used in Plone 3, since navigation portlets have their own configuration for each assignment. | |
| root | / | string | Root of the navigation. |
| currentFolderOnlyInNavtree | False | boolean | If True, the navigation tree will only show the current folder and its children at all times. Not used in Plone 3. |
| includeTop | True | boolean | If True, the top (root) node will be included in the navigation tree. This is affected by the topLevel setting. Not used in Plone 3. |
| topLevel | 0 | int | An integer value that specifies the number of folder levels below the site root that must be exceeded before the navigation tree will display. Not used in Plone 3. |
| bottomLevel | 0 | int | Specifies how many folders should be included before the navigation tree stops. 0 means no limit. 1 only includes the root folder. Not used in Plone 3. |
| showAllParents | True | boolean | If True, the navigation tree will display all the parents of the current item. Not used in Plone 3. |
| idsNotToList | lines | Content ids that should be ignored by the navigation. | |
| parentMetaTypesNotToQuery | Temp Folder Large Plone Folder |
lines | Meta types of parents that should be ignored by the navigation. |
| metaTypesNotToList | lines | Meta types that should be ignored by the navigation. | |
| enable_wf_state_filtering | False | boolean | If set to True, the navigation results will be filtered by workflow state. |
| wf_states_to_show | lines | The list of workflow states to be shown in navigation. Works in conjunction with enable_wf_state_filtering. |

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