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Data Markers in Angular Gantt component

Data markers are a set of events used to represent the schedule events for a task. Data markers are defined in data source as array of objects, and this value is mapped to the Gantt control using the taskFields.indicators property. You can represent more than one data marker in a task.

Data markers can be defined using the following properties:

  • date: Defines the date of indicator.
  • iconClass: Defines the icon class of indicator.
  • name: Defines the name of indicator.
  • tooltip: Defines the tooltip of indicator.

Note: Data Marker tooltip will be rendered only if tooltip property has value.

The following code example demonstrates how to implement data markers in the Gantt chart.

Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component, ViewEncapsulation, OnInit } from '@angular/core';
import { Gantt } from '@syncfusion/ej2-gantt';

@Component({
    selector: 'app-root',
    template:
       `<ejs-gantt id="ganttDefault" height="430px" [dataSource]="data" [taskFields]="taskSettings"></ejs-gantt>`,
    encapsulation: ViewEncapsulation.None
})
export class AppComponent{
    // Data for Gantt
    public data: object[];
    public taskSettings: object;
    public ngOnInit(): void {
        this.data = [
        {
            TaskID: 1,
            TaskName: 'Project Initiation',
            StartDate: new Date('04/02/2019'),
            EndDate: new Date('04/21/2019'),
            subtasks: [
                {
                    TaskID: 2, TaskName: 'Identify Site location', StartDate: new Date('04/02/2019'), Duration: 4, Progress: 50,
                    Indicators: [
                        {
                            'date': '04/08/2019',
                            'iconClass': 'e-btn-icon e-notes-info e-icons e-icon-left e-gantt e-notes-info::before',
                            'name': 'Custom String',
                            'tooltip': 'Follow up'
                        },
                        {
                            'date': '04/11/2019',
                            'iconClass': 'e-btn-icon e-notes-info e-icons e-icon-left e-gantt e-notes-info::before',
                            'name': '<span style="color:red">String Template</span>',
                        }
                    ]
                 },
                { TaskID: 3, TaskName: 'Perform Soil test', StartDate: new Date('04/02/2019'), Duration: 4, Progress: 50  },
                {
                    TaskID: 4, TaskName: 'Soil test approval', StartDate: new Date('04/02/2019'), Duration: 4, Progress: 50, },
            ]
        },
        {
            TaskID: 5,
            TaskName: 'Project Estimation',
            StartDate: new Date('04/02/2019'),
            EndDate: new Date('04/21/2019'),
            subtasks: [
                {
                    TaskID: 6, TaskName: 'Develop floor plan for estimation', StartDate: new Date('04/04/2019'), Duration: 3, Progress: 50,
                    Indicators: [
                        {
                            'date': '04/10/2019',
                            'iconClass': 'e-btn-icon e-notes-info e-icons e-icon-left e-gantt e-notes-info::before',
                            'name': 'Indicator title',
                            'tooltip': 'tooltip'
                        }
                    ]
                },
                { TaskID: 7, TaskName: 'List materials', StartDate: new Date('04/04/2019'), Duration: 3, Progress: 50 },
                { TaskID: 8, TaskName: 'Estimation approval', StartDate: new Date('04/04/2019'), Duration: 3, Progress: 50 }
            ]
        },
    ];
        this.taskSettings = {
            id: 'TaskID',
            name: 'TaskName',
            startDate: 'StartDate',
            resourceInfo: 'resources',
            duration: 'Duration',
            progress: 'Progress',
            dependency: 'Predecessor',
            child: 'subtasks',
            indicators: 'Indicators'
        };
    }
}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { GanttModule } from '@syncfusion/ej2-angular-gantt';

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

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