Thumb Scrolling

Normally the scrollbar position can be changed by dragging the scrollbar handle or clicking the arrows. The Scroller control allows you for panning or dragging the scroll content area to drag by dragging inside the scroll content. To achieve this in your Scroller control, enable the enableTouchScroll to true. By default the value for enableTouchScroll is true. When you want to prevent the panning or dragging the scroll content area, set enableTouchScroll as false.

The following steps explains you the configuration of enableTouchScroll property in Scroller.

In the HTML page, add a <div> element to configure Scroller widget.

  • html
  • <ej-scroller id="scroll" height="300" width="600" [(enableTouchScroll)]="touch" style="display:block;border:1px solid #bbbcbb">
        <div>
            <div id="scrollerContent">
                <div>
                    <div class="sampleContent">
                        <h3 style="font-size: 20px;">MVC</h3>
                        <div>
                            <p>
                                Model–view–controller (MVC) is a software architecture pattern which separates the
                                representation of information from the user's interaction with it.
                                The model consists of application data, business rules, logic, and functions. A view can be any
                                output representation of data, such as a chart or a diagram. Multiple views of the same data
                                are possible, such as a bar chart for management and a tabular view for accountants.
                                The controller mediates input, converting it to commands for the model or view.The central
                                ideas behind MVC are code reusable and in addition to dividing the application into three
                                kinds of components, the MVC design defines the interactions between them.
                            </p>
                            <ul>
                                <li>
                                    <b>A controller </b>can send commands to its associated view to change the view's presentation of the model (e.g., by scrolling through a document).
                                    It can also send commands to the model to update the model's state (e.g., editing a document).
                                </li>
                                <li>
                                    <b>A model</b> notifies its associated views and controllers when there has been a change in its state. This notification allows the views to produce updated output, and the controllers to change the available set of commands.
                                    A passive implementation of MVC omits these notifications, because the application does not require them or the software platform does not support them.
                                </li>
                                <li>
                                    <b>A view</b> requests from the model the information that it needs to generate an output representation to the user.
                                </li>
                            </ul>
                        </div>
                    </div>
                </div>
            </div>
        </div>
        </ej-scroller>
  • html
  • import { Component } from '@angular/core';
    @Component({
      selector: 'ej-app',
      templateUrl: './default.component.html'
    })
    export class DefaultComponent {
        touch: boolean;
        constructor() {
            this.touch = false;
    
        }
    }

    The following screenshot displays Scroller control with disabled touch support.