Hello,

i want to create a list based on a model c++ , this model is contains a different data type , and i want to display just one type , so i used DelegateModelGroup.
i want to know the index of the items in the list in the filtred Model and his index in the origin model , i tried DelegateModel.itemsIndex and DelegateModel.persistedItemsIndex properties , itemsIndex return the index in the groupedmodel but persistedItemsIndex return always 0.

Qt Code: 
  1. DelegateModel {
  2.             id: displayDelegateModelFavoris
  3.             delegate: Item {
  4.                 id: resultDelegateMainItem
  5.  
  6.                         MouseArea {
  7.                             anchors.fill: parent;
  8.                             onClicked:{
  9.  
  10.                                 console.log("**************visualindex*********",resultDelegateMainItem.DelegateModel.itemsIndex)
  11.                                 console.log("**************firstIndex*********",resultDelegateMainItem.DelegateModel.persistedItemsIndex)
  12.  
  13.                             }
  14.                         }
  15.                     }
  16.  
  17.             }
  18.             model: docModel
  19.             groups: [
  20.                 DelegateModelGroup {
  21.                     includeByDefault: false
  22.                     name: "favoris"
  23.                 }
  24.             ]
  25.             filterOnGroup: "favoris"
  26.             Component.onCompleted: {
  27.                 var rowCount = docModel.size();
  28.                 items.remove(0,rowCount);
  29.                 for( var i = 0;i < rowCount;i++ ) {
  30.                     var entry = docModel.get(i);
  31.                     if(entry.BookDocumentType === BookDocumentType.Bookmark) {
  32.                         items.insert(entry, "favoris");
  33.                     }
  34.                 }
  35.             }
  36.         }
  37.         ListView {
  38.                 id: favorisList
  39.                 clip: true
  40.                 width: settings.width;
  41.                 height: 600
  42.                 model: displayDelegateModelFavoris
  43.             }
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Can any one help me please ?