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Listbox mobile problems (drag and drop, firefox sizing)

  1. When using the listbox with drag and drop on mobile browsers, I am unable to drag an element to the topmost spot. I can drag it to every other space, just not the topmost one.
  2. I set height to min-content in order to make it fit the content perfectly, this works in every browser except for firefox, in firefox the height stays way too big.
  3. I am also looking for a way to allow me to drag the element immediately on touch. now I have to hold on the element for a moment first before it becomes draggable.

1 Reply

YA YuvanShankar Arunagiri Syncfusion Team June 9, 2023 06:59 AM UTC

Hi Louis,

As you contacted us through a support ticket with the same issue reported in this forum, we have held this forum for a while. Now, we have shared the response to all your queries in your support ticket. Here is a summary of our response to your queries.


Query: When using the listbox with drag and drop on mobile browsers, I am unable to drag an element to the topmost spot.


We have logged the bug report and publish the fix for this issue in our latest version 21.2.9.


Feedback link: https://www.syncfusion.com/feedback/43537/drag-and-drop-on-mobile-browsers-it-unable-to-drag-an-element-to-the-topmost-place

Release notes: https://ej2.syncfusion.com/documentation/release-notes/21.2.8/?type=all#listbox

Sample link: https://stackblitz.com/edit/angular-bemuxg-wb9gud?file=src%2Fapp.component.html


Query: I am also looking for a way to allow me to drag the element immediately on touch. 

Refer to the below code snippet to resolve this issue.


 <ejs-listbox id="listbox" [dataSource]='data' [allowDragAndDrop]='true' [selectionSettings]="selection" (created)="onCreated()"></ejs-listbox>

……………

 onCreated() {

        let listboxobj:any = getInstance(document.getElementById("listbox"), ListBox);

        listboxobj.ulElement.ej2_instances[1].enableTapHold = false;

        listboxobj.ulElement.ej2_instances[1].tapHoldThreshold = 10;

    }


Sample link: https://stackblitz.com/edit/angular-bemuxg-ifdgza?file=src%2Fapp.component.ts


Get back to us if you need any further assistance on this.


Regards,

YuvanShankar A


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