A simple undo

Oh no .. I shouldn’t have double-clicked 🙁

When I explore a graph, it always happens to me at some point. I double-click a node and oops …  my screen fills up with way more nodes than I anticipated. And since I’m almost always operating in autoComplete mode, that also includes all relationships connecting the newly loaded neighbours to the node I double-clicked.

Yes, I know, we have the default Neighbours panel that allows me to explore the graph in a controlled way by loading only selected neighbours. But well, sometimes you’re in a hurry and and a bit careless …

So I figured there must be a way to just go back one step and unload all nodes and relationships that result from a double-click.

IA_IO to the rescue 🙂

Fortunately, Graphileon has the IA_IO function that can help us. It can store any run-time variable and that is exactly what we need here: store the nodes and relationships that are present in the IA_NetworkView at the moment a nodeDoubleClick event is triggered.

The logic is quite simple (click on the picture below for an interactive diagram with the relevant functions and triggers)  :

  • Execute an IA_IO function upon the first nodeDoubleClick event that occurs, and ensure that it stays alive by setting stayAlive:session or stayAlive:dashboard . The IA_IO function has an _instance name, so we can reference it later.
  • Store the two arrays with nodes and relationships in the placeholders on the IA_IO function.
  • The undo functionality is implemented using a batch trigger, i.e. a  [:TRIGGER {type:'batch'}] relation from the IA_NetworkView to itself.  It retrieves the nodes and relations from the IA_IO function instance and sends them back to the IA_NetworkView  .

 

The video below shows the undo functionality in action.


Card image cap
Graphileon 3.0 has been released!

Graphileon 3.0, packed with new stuff! Today, after many months of hard work, we are proud to release Graphileon 3.0, offering more functionality and with many improvements under the hood. We also made Graphileon available on AWS, with a new licensing model that is based on functionality. Among the new functionality, we are especially pleased … Continued

Card image cap
Monitoring progress by adding a single node

Keep users informed Some operations in applications, like loading data from an external source or running an algorithm on a large graph, take time. In these situations, you want to keep your users informed by providing them with visual and meaningful feedback. The same is true when you iterate through a list : users want … Continued

Card image cap
Graphileon 2.7.0 has arrived!

Today we proudly release a new version, 2.7 packed with a lot of new features, and with support for a wider range of graph stores. We’ve created a video that takes you through the new and updated features of this version. If you want to try it or use it for your personal projects, please use … Continued

Get started with the Personal Edition

The easiest way to get to know Graphileon is by using the Personal Edition. Build graphy applications and browse your graph stores in a way you never did before.