Add a local path to the image file name for a RadListView

[Dimitar]

Hi, 

I am trying to  add the local path folder when image should be displyed in 
RadListView . I don't want to add this path in array source of the RadListView 

Is there a way to make something like this or call a function to calculate the path

<lv:RadListView items="{{ dataItems }}" selectionBehavior="Press"
itemSelected="itemSelected" >
    <lv:RadListView.itemTemplate >
               <Image src="{{sourceProperty, localPathVar + '/' + receivedImage}}"      />

[Nikolay Tsonev]

Hi Dimitar,

In this case, you could set a single value to the observable object, which contains the needed path.
Regarding that, with the help of $parents property, you could access in the XML the RadListView parent bindingContext. Then we could use the path, without the need to set it inside the observable-array.
Example:
XML

<Page xmlns:navigation="navigation/example-page" loaded="onPageLoaded" xmlns:lv="nativescript-telerik-ui-pro/listview" xmlns="http://www.nativescript.org/tns.xsd">
    <lv:RadListView items="{{ dataItems }}" >
        <lv:RadListView.itemTemplate>
            <StackLayout orientation="vertical">
                <Label fontSize="20" text="{{ itemName }}"/>
                <Label text="{{ $parents['RadListView'].testParam, $parents['RadListView'].testParam }}" textWrap="true" />

                <Label fontSize="14" text="{{ itemDescription }}"/>
            </StackLayout>
        </lv:RadListView.itemTemplate>
    </lv:RadListView>
</Page>

TypeScript

import {ObservableArray} from "data/observable-array";
import {Observable} from "data/observable";
var tmpObservbale:Observable;
export function onPageLoaded(args){
    var page = args.object;
    var array = new ObservableArray();
    array.push({itemName:"name1", itemDescription:"description1"});
    array.push({itemName:"name2", itemDescription:"description2"});
    array.push({itemName:"name3", itemDescription:"description3"});

    tmpObservbale = new Observable();
    tmpObservbale.set("dataItems", array);
    tmpObservbale.set("testParam", "This is test String");
    page.bindingContext = tmpObservbale;
}

Regards,
nikolay.tsonev
Progress Telerik

[Dimitar]

Thank you again  for the brilliant support 

[Ella]

I think what brilliant support !