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Normal Topic Trying to handle when a the mouse hovers over a shape (Read 2228 times)
twojtylak
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Trying to handle when a the mouse hovers over a shape
Jan 15th, 2019 at 2:51pm
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I am trying to detect when the user hovers over a shape, but I can't seem to figure out how to raise the MouseMove event. I have seen a couple posts saying I should use it, but none say how to implement it.

The documentation says the MouseMove event exists on the BehaviorBase, but when going to the BehaviorBase class and looking at the methods, the MouseMove doesn't exist there. Neither is showing any way to handle events. I mean, the Diagram Class explicitly states it has an addEventListener function.

Am I missing something? Can somebody point me in the right direction?
  
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Lyubo
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Re: Trying to handle when a the mouse hovers over a shape
Reply #1 - Jan 15th, 2019 at 3:22pm
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Hi,

You can try handling the nodePointed event. It's raised when the user hovers over a DiagramNode (the event is raised 800ms after the user has stopped moving the pointer over the node).

Code (Javascript)
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diagram.addEventListener(MindFusion.Diagramming.Events.nodePointed, function (eve, args)
{
    console.log(`${args.getNode().getText()} was pointed.`);
});


Regards,
Lyubo
  
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twojtylak
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Re: Trying to handle when a the mouse hovers over a shape
Reply #2 - Jan 15th, 2019 at 3:26pm
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I tried nodePointed, but i need the event raised immediately.
  
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Lyubo
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Re: Trying to handle when a the mouse hovers over a shape
Reply #3 - Jan 16th, 2019 at 9:12am
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Hi,

You can overwrite the startHoverTimer method and omit the timeout. Try the following to raise the event immediately:

Code (Javascript)
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MindFusion.Diagramming.Diagram.prototype.startHoverTimer = function (mousePosition)
{
    this.onHover(mousePosition);
};


Regards,
Lyubo
  
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twojtylak
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Re: Trying to handle when a the mouse hovers over a shape
Reply #4 - Jan 16th, 2019 at 3:06pm
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You're seriously the best! That worked! Thank you!
  
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