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learner123
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Unique type
Oct 13th, 2009 at 6:03pm
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Hi
i am using flow charter sample project

here i am i am using only 3 shapes

start
terminate
and decision
i am getting uniqued id for each node in onnodecretaed event


i want to drag 5 number of decision nodes..is it possible to get uniquetype for each decision shape..that means when i drag a decision node i want to get uniquetype xxx1 and for second node i want to get xxx1 for third i want to get decisionxxx3..

for start we are uing like this
start.Shape=Shapes.Start
start.text= start

how can we assign values for these
xxx1 and xxx2 and xxx3


can you send some exapmlls



cna you please send some sample code
« Last Edit: Oct 14th, 2009 at 4:33am by learner123 »  
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Stoyo
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Re: Unique type
Reply #1 - Oct 14th, 2009 at 7:18am
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try using this function:

Code
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function getNumNodes(shapeId, diagram)
{
	var c = 0;
	for (i = 0; i < diagram.getNodes().size(); ++i)
		if (diagram.getNodes().get(i).getShape().getId() == shapeId)
			c++;
	return c;
}


It assumes all nodes are of the ShapeNode type.
  
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learner123
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Re: Unique type
Reply #2 - Oct 14th, 2009 at 10:32am
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Thanks,

In which event i have to call this function and can explain what it returns
  
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Stoyo
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Re: Unique type
Reply #3 - Oct 14th, 2009 at 11:06am
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It returns the number of nodes with the specified shape id. You could call it from the NodeCreatedScript, passing args.getNode().getShape().getId() as the first argument and applet.getDiagram() as the second argument.
  
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learner123
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Re: Unique type
Reply #4 - Oct 14th, 2009 at 1:11pm
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HI

tried like this

function onNodeCreated(sender, args)
{
args.getNode().getShape().getId(getNumNodes());;

applet.getDiagram(getNumNodes()) ;
function getNumNodes(shapeId, diagram)
{
var c = 0;
for (i = 0; i < diagram.getNodes().size(); ++i)
if (diagram.getNodes().get(i).getShape().getId() == shapeId)
c++;
document.getElementById("tbid").value=c;
}



but its not return anything..i am not getting any value
  
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Stoyo
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Re: Unique type
Reply #5 - Oct 14th, 2009 at 1:37pm
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You have a lot to learn indeed. The things between the parentheses in the function declaration are parameters and you should pass respectively the shape id and the diagram instance as arguments when calling the function. E.g. if the control's ID is diagramView, and assuming you keep the "return c;" statement in the function:

var diagram = <%=diagramView.AppletElement%>.getDiagram();
var shapeId = args.getNode().getShape().getId();
var numNodes = getNumNodes(shapeId, diagram);

Now you can concatenate shapeId + numNodes to get something like "Decision3".
  
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learner123
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Re: Unique type
Reply #6 - Oct 14th, 2009 at 2:33pm
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excellent it is working for me

Thanks

var Nodename=shapeId + numNodes;
here i am getting nodename ..but 1 asked you before

for start we are uing like this
start.Shape=Shapes.Start
start.text= "start "

how we can assign values or bind values for
Nodename

please send me any code if you have
thanks for your time
  
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Stoyo
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Re: Unique type
Reply #7 - Oct 14th, 2009 at 5:09pm
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There is no built-in databinding. You should run a select query, loop over the dataset rows and copy the field values to their corresponding node properties.
  
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learner123
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Re: Unique type
Reply #8 - Oct 14th, 2009 at 5:14pm
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any example or sample code will help me

thanks
  
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learner123
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Re: Unique type
Reply #9 - Oct 14th, 2009 at 5:17pm
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var Nodename=shapeId + numNodes;
here i am getting nodename ..iam saving it in to database .

Now iam retrieving the nodename by this code

string nodename= ds.Tables["data"].Rows[i]["nodename"].ToString();.


string nodetext= ds.Tables["data"].Rows[i]["nodetext"].ToString();.



So how can i bind the nodenames to shapes.
like
Start.Shape=Shapes.Decision
Start.Text="Start"

Here Decision i have to bind dynamically means I want like this

Start.Shape=Shapes.nodename
Start.text=nodetext

please send me any code if you have
thanks for your time
  
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Stoyo
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Re: Unique type
Reply #10 - Oct 15th, 2009 at 9:20am
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If you want to use this Nodename as an id, assign it to the Tag property and later use the FindNode method to get the DiagramNode. This example shows that, using your previous date/time based IDs:
https://mindfusion.eu/_samples/netdiag_SqlServerStore.zip
  
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