[Feature Request] Ability to execute a custom query for visualisation

[kevinphillips81]

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Graph Explorer Version (and Graph Database and Version used if applicable)
All versions

Is your feature request related to a problem? Please describe.
Including a feature that allows users to enter a custom SPARQL, Gremlin or openCypher query, and then have it rendered as part of the visualisation.

Describe the solution you'd like
A new "query" section and associated toggle button - similar to the "table view" - where custom queries can be run. A toggle button to include the results in the current graph pane, or clear the graph pane and only render the results. All rendered items would be displayed using the visual effect settings. Any query exceptions generated by submitting the query to Neptune would be returned and displayed on the screen below the query box.

[AndreaNassisi]

Some enterprise users would not be allowed to write any query. Let's have a switch to turn off any non visualization feature.

[xiazcy]

Related issue #300

[kmcginnes]

FYI, this feature request is being tracked by the roadmap item:

• [Roadmap] Query Editor for Gremlin #686
• [Roadmap] Query Editor for openCypher #687
• [Roadmap] Query Editor for SPARQL #688