Add toggle button in Angular Toolbar component

4 Apr 202310 minutes to read

Toolbar supports to add a toggle Button by using the template property. Refer below steps

By using Toolbar template property, pass required HTML String to render toggle button.
```
    <e-item template='<button class="e-btn" id="media_btn"></button>'></e-item>
```
Now render the toggle Button into the targeted element in Toolbar created event handler and bind click event for it. On clicking the toggle Button, change the required icon and content based on current active state.

app.component.html
app.component.ts
app.module.ts
main.ts
<div class="control-section e-tbar-section">
    <div class="e-sample-resize-container">
        <!-- Render the Toolbar Component -->
        <ejs-toolbar id="toolbar" class="toggle" (created)='create()'>
            <e-items>
                <e-item template='<button class="e-btn" id="media_btn"></button>'></e-item>
                <e-item type='Separator'></e-item>
                <e-item template='<button class="e-btn" id="zoom_btn"></button>'></e-item>
                <e-item type='Separator'></e-item>
                <e-item template='<button class="e-btn" id="undo_btn"></button>'></e-item>
                <e-item type='Separator'></e-item>
                <e-item template='<button class="e-btn" id="filter_btn"></button>'></e-item>
                <e-item type='Separator'></e-item>
                <e-item template='<button class="e-btn" id="visible_btn"></button>'></e-item>
            </e-items>
        </ejs-toolbar>
        <br/>
        <div id="content">
          This content will be hidden, when you click on hide button and toggle get an active state as show, otherwise it will be visible.
        </div>
    </div>
</div>
import { Component, ViewEncapsulation, Inject } from '@angular/core';
import { Button } from '@syncfusion/ej2-angular-buttons';

@Component({
    selector: 'app-container',
    templateUrl: 'app/app.component.html',
    encapsulation: ViewEncapsulation.None
})
export class DefaultToolbarComponent {
    public undoBtn: any;
    public zoomBtn: any;
    public mediaBtn: any;
    public filterBtn: any;
    public visibleBtn: any;

    public create(): void {
        this.zoomBtn = new Button({ cssClass: `e-flat`, iconCss: 'e-icons e-zoomin-icon', isToggle: true });
        this.zoomBtn.appendTo('#zoom_btn');

        this.mediaBtn = new Button({ cssClass: `e-flat`, iconCss: 'e-icons e-play-icon', isToggle: true });
        this.mediaBtn.appendTo('#media_btn');

        this.undoBtn = new Button({ cssClass: `e-flat`, iconCss: 'e-icons e-undo-icon', isToggle: true });
        this.undoBtn.appendTo('#undo_btn');

        this.filterBtn = new Button({ cssClass: `e-flat`, iconCss: 'e-icons e-filter-icon', isToggle: true });
        this.filterBtn.appendTo('#filter_btn');

        this.visibleBtn = new Button({ cssClass: `e-flat`, iconCss: 'e-icons e-hide-icon', isToggle: true, content:'Hide'});
        this.visibleBtn.appendTo('#visible_btn');

        //Toggle button click event handlers
        this.zoomBtn.element.onclick = (): void => {
            if (this.zoomBtn.element.classList.contains('e-active')) {
                this.zoomBtn.iconCss = 'e-icons e-zoomout-icon';
            } else {
                this.zoomBtn.iconCss = 'e-icons e-zoomin-icon';
            }
        };

        this.mediaBtn.element.onclick = (): void => {
            if (this.mediaBtn.element.classList.contains('e-active')) {
                this.mediaBtn.iconCss = 'e-icons e-pause-icon';
            } else {
                this.mediaBtn.iconCss = 'e-icons e-play-icon';
            }
        };

        this.undoBtn.element.onclick = (): void => {
            if (this.undoBtn.element.classList.contains('e-active')) {
                this.undoBtn.iconCss = 'e-icons e-redo-icon';
            } else {
                this.undoBtn.iconCss = 'e-icons e-undo-icon';
            }
        };

        this.filterBtn.element.onclick = (): void => {
            if (this.filterBtn.element.classList.contains('e-active')) {
                this.filterBtn.iconCss = 'e-icons e-filternone-icon';
            } else {
                this.filterBtn.iconCss = 'e-icons e-filter-icon';
            }
        };

        this.visibleBtn.element.onclick = (): void => {
            if (this.visibleBtn.element.classList.contains('e-active')) {
                document.getElementById('content').style.display = 'none';
                this.visibleBtn.content = 'Show';
                this.visibleBtn.iconCss = 'e-icons e-show-icon';
            } else {
                document.getElementById('content').style.display = 'block';
                this.visibleBtn.content = 'Hide';
                this.visibleBtn.iconCss = 'e-icons e-hide-icon';
            }
        };
    }
}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { ToolbarModule } from '@syncfusion/ej2-angular-navigations';
import { DefaultToolbarComponent } from './app.component';

/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule, ToolbarModule
    ],
    declarations: [DefaultToolbarComponent ],
    bootstrap: [DefaultToolbarComponent]
})
export class AppModule { }
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

enableProdMode();
platformBrowserDynamic().bootstrapModule(AppModule);