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The display is linked to the locations list in the Data Viewer (Filters). When a location in the locations list is selected, the meta data files that are used by this location will be listed. The content of the first configuration file will be shown by default in the bottom panel. Selecting another file will display its content. When the parameters and/or qualifiers are also configured in csv files the display is also linked to selected parameters and qualifiers
The list of meta data metadata files is sorted alphabetically. A list is made of all meta data metadata files in the \MapLayers folder that are used by the Delft-FEWS application. The meta data files are not grouped on sub-folders, this information is ignored.
The table with meta data metadata can show virtual columns, these are on the left in light blue. For all location attribute files, the linked location Name column is visible. For all meta data files that are used as main files, the location ID is also shown as virtual column. These virtual columns show the Location ID and Name, not the content of a meta data file column.
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| Lock: It is possible to lock the tabular config file display. When locked, selecting another location in the locations list, won't change the selected location row in the display. |
| List all Files: When this button is pressed, the file list will populate all meta data files used in the configuration |
| Show modifiers: It's possible to show modified values in the tabular config files, these are the location attributes where modifiers have been applied. All values that have been changed by modifiers will get a blue background color. A tooltip will display the unmodified value. |
| Show virtual columns: Location ID and Location Name are based on meta data in the CSV/dbf files. These columns, together with special edit columns can be made visible or hidden in the bottom panel |
| Copy: Copy the content of selected cells to the clipboard |
| Export to CSV: The selected meta data file can be saved as CSV file. This is especially relevant when modified values need to be exported to a CSV file. |
Sorting
The table with meta data metadata can be sorted by clicking on a column header. Clicking one extra time on the same column header toggles the direction or deselects the sort column header. When multiple column headers have been sorted on, tiny indices indicate which is the order in which the columns are sorted. In the right mouse popup menu the Undo sort option quickly deselects all selected sort columns.
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It is also possible to select a layer attribute on the Map display. This requires the tooltip icon 
to be enabled. When hovering over the layers on the map or Grid, the layer attributes will be highlighted. When they are highlighted, using a left mouse click to select the map element, this will show the corresponding entry in the Tabular Config Files Display.
Configure
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Metadata Column Headers
The column headers of the meta data table use by default the column name in the CSV or DBF file. It is possible to overrule the column headers with configurable names. These names are configured in the LocationSets.xml file. There are two name elements that can be used for this.
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When using the name element for location attributes, make sure not to use the same attribute name for attributes from the same meta data file, this will throw a Config ERROR when Delft-FEWS starts.
Configure
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Metadata Rules
It is possible to configure meta data metadata rules in the LocationSets.xml file. These rules are used to check the meta data metadata on Errors.
One of the rules is included in the attribute element, a format can be added to the <text> element (see below). The example forces the attribute will always contain 6 numbers. When the meta data file contains a value "12345", FEWS will change this to "012345". A leading zero is added to the attribute.
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The Meta Data Rules are used by Delft-FEWS when the meta data configuration is loaded, Errors will be logged when meta data is not according to the configured rules. In The Tabular Config File Display, the rules are used to find and flag errors.
Edit
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Metadata
Since Delft-FEWS version 2024.01 there is functionality added to edit meta data from CSV meta data files. To activate this functionality a TabularConfigFilesDisplay.xml configuration file is needed in the DisplayConfigFiles config folder.
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The meta data edit process is split in several editing and commit steps. This allows the user to first test meta data metadata changes, before updating the Delft-FEWS configuration.
- When meta data metadata values are edited, the changes are stored in the \temp\editedMapLayers\ folder. All files that are edited will be temporarily stored in this folder. In the Tabular Config Files Display GUI, all files that are edited will be shown in bold with (draft) as post-fix.
- After pressing the Refresh button, the meta data files in this \temp folder will be used by the Delft-FEWS application. The user can then check the changes made.
- After pressing the Commit changes to config dir button, the edited files from the temp folder will overwrite the original files in the config folder. It is then not possible to revert changes anymore or check the original values.
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The Tabular Config File Display also allows for adding additional task buttons to the toolbar. The task buttons can start executables or scripts to check configuration consistency, link to GIT or SVN or run Python or Powershell scripts.
In the example below a taskbutton taskButton is added that starts several Python scripts through Powershell.
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