Adding links of different templates dynamically

@abhijith wrote:

My diagram lets the user to draw different types of links dynamically.

Here is my code :

myDiagram.addDiagramListener("LinkDrawn", function(e) {
  var link = e.subject;
   var popUpList = $('<div>Please select the type of link</div>');
   popUpList.dialog({
           autoOpen: false,
           buttons: {
              "Type1": function() {addLinkLabel(link,"type1");$(this).dialog("close");},
               "Type2": function(){addLinkLabel(link,"type2");$(this).dialog("close");}
           },
       });

    popUpList.dialog("open")
});

function addLinkLabel(link,type){

    var label = prompt("Enter label text. Leave it blank for no label", "");

    myDiagram.startTransaction("add link data");
    myDiagram.model.setDataProperty(link.data, "category", type);
    if(label!=""){
        myDiagram.model.setDataProperty(link.data,"textVisible",true);
        myDiagram.model.setDataProperty(link.data,"text",label);
    }
    console.log(link.data.category)
    myDiagram.commitTransaction("add link data");
}`

My default linktemplate sets the link visible property to false. I think category property is not changing here.

As you can see, the linkdrawn event handler will show a pop up to select the type of link here.
It will then set the dataproperty of the model.

On selecting a particular type, nothing is displayed. But the log in the console is showing the link object which was just created.

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