Tooltip in React Gantt component

React

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22 Jul 2021 / 8 minutes to read

The Gantt component has a support to display a tooltip for various UI elements like taskbar, timeline cells, and grid cells

In the Gantt component, you can enable or disable the mouse hover tooltip for the following UI elements using the tooltipSettings.showTooltip property:

Taskbar
Connector line
Baseline
Event marker

Source

Preview

index.jsx

index.tsx

index.html

export let 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', BaselineStartDate: new Date('04/02/2019'), BaselineEndDate: new Date('04/02/2019'), StartDate: new Date('04/02/2019'), Duration: 0, Progress: 50 },
            { TaskID: 3, TaskName: 'Perform Soil test', StartDate: new Date('04/02/2019'), BaselineStartDate: new Date('04/04/2019'), BaselineEndDate: new Date('04/09/2019'), Duration: 4, Progress: 50 },
            { TaskID: 4, TaskName: 'Soil test approval', StartDate: new Date('04/02/2019'), BaselineStartDate: new Date('04/08/2019'), BaselineEndDate: new Date('04/12/2019'), Duration: 4, Predecessor: "2FS", 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', BaselineStartDate: new Date('04/04/2019'), BaselineEndDate: new Date('04/08/2019'), StartDate: new Date('04/04/2019'), Duration: 3, Progress: 50 },
            { TaskID: 7, TaskName: 'List materials', StartDate: new Date('04/04/2019'), BaselineStartDate: new Date('04/02/2019'), BaselineEndDate: new Date('04/04/2019'), Duration: 3, Progress: 50 },
            { TaskID: 8, TaskName: 'Estimation approval', StartDate: new Date('04/02/2019'), BaselineStartDate: new Date('04/02/2019'), BaselineEndDate: new Date('04/08/2019'), Duration: 0, Predecessor: "6SS", Progress: 50 }
        ]
    },
];
import * as React from 'react';
import * as ReactDOM from 'react-dom';
import { GanttComponent, Inject, DayMarkers, EventMarkersDirective, EventMarkerDirective } from '@syncfusion/ej2-react-gantt';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.taskFields = {
            id: 'TaskID',
            name: 'TaskName',
            startDate: 'StartDate',
            duration: 'Duration',
            progress: 'Progress',
            dependency: 'Predecessor',
            baselineStartDate: 'BaselineStartDate',
            baselineEndDate: 'BaselineEndDate',
            child: 'subtasks'
        };
        this.tooltipSettings = {
            showTooltip: true
        };
        this.eventMarkerDay1 = new Date('04/10/2019');
    }
    render() {
        return <GanttComponent dataSource={data} taskFields={this.taskFields} tooltipSettings={this.tooltipSettings} renderBaseline={true} baselineColor="Red" height='450px'>
        <EventMarkersDirective>
            <EventMarkerDirective day={this.eventMarkerDay1} label='Project kick-off'>
            </EventMarkerDirective>
          </EventMarkersDirective>
        <Inject services={[DayMarkers]}/>
    </GanttComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById('root'));

export let data: Object[] = [
  {
  TaskID: 1,
  TaskName: 'Project Initiation',
  StartDate: new Date('04/02/2019'),
  EndDate: new Date('04/21/2019'),
  subtasks: [
      { TaskID: 2, TaskName: 'Identify Site location',BaselineStartDate: new Date('04/02/2019'),BaselineEndDate: new Date('04/02/2019'), StartDate: new Date('04/02/2019'), Duration: 0, Progress: 50 },
      { TaskID: 3, TaskName: 'Perform Soil test', StartDate: new Date('04/02/2019'),BaselineStartDate: new Date('04/04/2019'),BaselineEndDate: new Date('04/09/2019'), Duration: 4, Progress: 50  },
      { TaskID: 4, TaskName: 'Soil test approval', StartDate: new Date('04/02/2019'),BaselineStartDate: new Date('04/08/2019'),BaselineEndDate: new Date('04/12/2019'), Duration: 4,Predecessor:"2FS", 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',BaselineStartDate: new Date('04/04/2019'),BaselineEndDate: new Date('04/08/2019'), StartDate: new Date('04/04/2019'), Duration: 3, Progress: 50 },
      { TaskID: 7, TaskName: 'List materials', StartDate: new Date('04/04/2019'),BaselineStartDate: new Date('04/02/2019'),BaselineEndDate: new Date('04/04/2019'), Duration: 3, Progress: 50 },
      { TaskID: 8, TaskName: 'Estimation approval', StartDate: new Date('04/02/2019'),BaselineStartDate: new Date('04/02/2019'),BaselineEndDate: new Date('04/08/2019'), Duration: 0,Predecessor:"6SS", Progress: 50 }
  ]
  },
];

import * as React from 'react';
import * as ReactDOM from 'react-dom';
import { GanttComponent, Inject, DayMarkers, EventMarkersDirective, EventMarkerDirective } from '@syncfusion/ej2-react-gantt';

class App extends React.Component<{}, {}>{
  public taskFields: any = {
  id: 'TaskID',
  name: 'TaskName',
  startDate: 'StartDate',
  duration: 'Duration',
  progress: 'Progress',
  dependency: 'Predecessor',
  baselineStartDate: 'BaselineStartDate',
  baselineEndDate: 'BaselineEndDate',
  child: 'subtasks'
};
  public tooltipSettings: any = {
showTooltip: true
  };
  private eventMarkerDay1: Date = new Date('04/10/2019');
render() {
    return <GanttComponent dataSource={data} taskFields={this.taskFields}
       tooltipSettings={this.tooltipSettings} renderBaseline={true} baselineColor="Red" height = '450px'>
        <EventMarkersDirective>
            <EventMarkerDirective day={this.eventMarkerDay1} label='Project kick-off' >
            </EventMarkerDirective>
          </EventMarkersDirective>
        <Inject services={[DayMarkers]} />
    </GanttComponent>
}
};
ReactDOM.render(<App />, document.getElementById('root'));

<!DOCTYPE html>
<html lang="en">

<head>
    <title>Syncfusion React Gantt</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Essential JS 2 for React Components" />
    <meta name="author" content="Syncfusion" />
    <link href="https://cdn.syncfusion.com/ej2/material.css" rel="stylesheet" type="text/css"/>
    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
     <style>
        #loader {
            color: #008cff;
            height: 40px;
            left: 45%;
            position: absolute;
            top: 45%;
            width: 30%;
        }
    </style>
</head>

<body>
        <div id='root'>
            <div id='loader'>Loading....</div>
        </div>
</body>

</html>

The default value of the tooltipSettings.showTooltip property is true.

In the Gantt component, you can enable or disable the mouse hover tooltip of timeline cells using the timelineSettings.showTooltip property. The default value of this property is true. The following code example shows how to enable the timeline cells tooltip in Gantt.

Source

Preview

index.jsx

index.tsx

index.html

import * as React from 'react';
import * as ReactDOM from 'react-dom';
import { GanttComponent } from '@syncfusion/ej2-react-gantt';
import { data } from './datasource';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.taskFields = {
            id: 'TaskID',
            name: 'TaskName',
            startDate: 'StartDate',
            duration: 'Duration',
            progress: 'Progress',
            child: 'subtasks'
        };
        this.timelineSettings = {
            showTooltip: true
        };
    }
    render() {
        return <GanttComponent dataSource={data} taskFields={this.taskFields} timelineSettings={this.timelineSettings} height='450px'>
  </GanttComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById('root'));

import * as React from 'react';
import * as ReactDOM from 'react-dom';
import { GanttComponent } from '@syncfusion/ej2-react-gantt';
import { data } from './datasource';
class App extends React.Component<{}, {}>{
public taskFields: any = {
id: 'TaskID',
name: 'TaskName',
startDate: 'StartDate',
duration: 'Duration',
progress: 'Progress',
child: 'subtasks'
  };
  public timelineSettings: any = {
showTooltip: true
  };
render() {
    return <GanttComponent dataSource={data} taskFields={this.taskFields}
        timelineSettings={this.timelineSettings} height = '450px'>
  </GanttComponent>
}
};
ReactDOM.render(<App />, document.getElementById('root'));

<!DOCTYPE html>
<html lang="en">

<head>
    <title>Syncfusion React Gantt</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Essential JS 2 for React Components" />
    <meta name="author" content="Syncfusion" />
    <link href="https://cdn.syncfusion.com/ej2/material.css" rel="stylesheet" type="text/css"/>
    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
     <style>
        #loader {
            color: #008cff;
            height: 40px;
            left: 45%;
            position: absolute;
            top: 45%;
            width: 30%;
        }
    </style>
</head>

<body>
        <div id='root'>
            <div id='loader'>Loading....</div>
        </div>
</body>

</html>

You can enable or disable the Grid cell tooltip using the columns.clipMode property.

Source

Preview

index.jsx

index.tsx

index.html

import * as React from 'react';
import * as ReactDOM from 'react-dom';
import { GanttComponent, ColumnsDirective, ColumnDirective } from '@syncfusion/ej2-react-gantt';
import { data } from './datasource';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.taskFields = {
            id: 'TaskID',
            name: 'TaskName',
            startDate: 'StartDate',
            duration: 'Duration',
            progress: 'Progress',
            child: 'subtasks'
        };
    }
    render() {
        return <GanttComponent dataSource={data} taskFields={this.taskFields} height='450px'>
        <ColumnsDirective>
            <ColumnDirective field='TaskID' width='100'></ColumnDirective>
            <ColumnDirective field='TaskName' headerText='Job Name' clipMode='EllipsisWithTooltip' width='120'></ColumnDirective>
            <ColumnDirective field='StartDate'></ColumnDirective>
            <ColumnDirective field='Duration'></ColumnDirective>
            <ColumnDirective field='Progress'></ColumnDirective>
        </ColumnsDirective>
    </GanttComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById('root'));

import * as React from 'react';
import * as ReactDOM from 'react-dom';
import { GanttComponent, ColumnsDirective, ColumnDirective } from '@syncfusion/ej2-react-gantt';
import { data } from './datasource';
class App extends React.Component<{}, {}>{
public taskFields: any = {
id: 'TaskID',
name: 'TaskName',
startDate: 'StartDate',
duration: 'Duration',
progress: 'Progress',
child: 'subtasks'
  };

render() {
    return <GanttComponent dataSource={data} taskFields={this.taskFields} height = '450px'>
        <ColumnsDirective>
            <ColumnDirective field='TaskID' width='100' ></ColumnDirective>
            <ColumnDirective field='TaskName' headerText='Job Name' clipMode='EllipsisWithTooltip' width='120'></ColumnDirective>
            <ColumnDirective field='StartDate'></ColumnDirective>
            <ColumnDirective field='Duration'></ColumnDirective>
            <ColumnDirective field='Progress'></ColumnDirective>
        </ColumnsDirective>
    </GanttComponent>
}
};
ReactDOM.render(<App />, document.getElementById('root'));

<!DOCTYPE html>
<html lang="en">

<head>
    <title>Syncfusion React Gantt</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Essential JS 2 for React Components" />
    <meta name="author" content="Syncfusion" />
    <link href="https://cdn.syncfusion.com/ej2/material.css" rel="stylesheet" type="text/css"/>
    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
     <style>
        #loader {
            color: #008cff;
            height: 40px;
            left: 45%;
            position: absolute;
            top: 45%;
            width: 30%;
        }
    </style>
</head>

<body>
        <div id='root'>
            <div id='loader'>Loading....</div>
        </div>
</body>

</html>

Clip mode

The clip mode provides options to display its overflow cell content and it can be defined by the columns.clipMode property.

The following are three types of clipMode:

Clip: Truncates the cell content when it overflows its area.
Ellipsis: Displays ellipsis when content of the cell overflows its area.
EllipsisWithTooltip: Displays ellipsis when content of the cell overflows its area; it displays the tooltip content when hover over ellipsis.

NOTE By default, all the column’s clipMode property is defined as EllipsisWithTooltip.

The default tooltip in the Gantt component can be customized using the tooltipSettings.taskbar property. You can map the template script element’s ID value or template string directly to this property.

Source

Preview

index.jsx

index.tsx

index.html

import * as React from 'react';
import * as ReactDOM from 'react-dom';
import { GanttComponent } from '@syncfusion/ej2-react-gantt';
import { data } from './datasource';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.taskFields = {
            id: 'TaskID',
            name: 'TaskName',
            startDate: 'StartDate',
            duration: 'Duration',
            progress: 'Progress',
            child: 'subtasks'
        };
        this.template = this.tooltipTemplate;
        this.tooltipSettings = {
            taskbar: this.template.bind(this)
        };
    }
    tooltipTemplate(props) {
        return (<div>TaskID : {props.TaskID}</div>);
    }
    ;
    render() {
        return <GanttComponent dataSource={data} taskFields={this.taskFields} tooltipSettings={this.tooltipSettings} height='450px'>
    </GanttComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById('root'));

import * as React from 'react';
import * as ReactDOM from 'react-dom';
import { GanttComponent } from '@syncfusion/ej2-react-gantt';
import { data } from './datasource';
class App extends React.Component<{}, {}>{
public taskFields: any = {
id: 'TaskID',
name: 'TaskName',
startDate: 'StartDate',
duration: 'Duration',
progress: 'Progress',
child: 'subtasks'
  };
  public tooltipTemplate(props:any) {
return (<div>TaskID : {props.TaskID}</div>)
  };
  public template: any = this.tooltipTemplate;
  public tooltipSettings: any = {
taskbar: this.template.bind(this)
  };
render() {
    return <GanttComponent dataSource={data} taskFields={this.taskFields}
       tooltipSettings={this.tooltipSettings} height = '450px'>
    </GanttComponent>
}
};
ReactDOM.render(<App />, document.getElementById('root'));

<!DOCTYPE html>
<html lang="en">

<head>
    <title>Syncfusion React Gantt</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Essential JS 2 for React Components" />
    <meta name="author" content="Syncfusion" />
    <link href="https://cdn.syncfusion.com/ej2/material.css" rel="stylesheet" type="text/css"/>
    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
     <style>
        #loader {
            color: #008cff;
            height: 40px;
            left: 45%;
            position: absolute;
            top: 45%;
            width: 30%;
        }
    </style>
</head>

<body>
        <div id='root'>
            <div id='loader'>Loading....</div>
        </div>
</body>

</html>

Connector line tooltip

The default connector line tooltip in the Gantt component can be customized using the tooltipSettings.connectorLine property. You can map the value to this property as template script element ID or template string format. The following code example shows how to use the tooltipSettings.connectorLine property.

Source

Preview

index.jsx

index.tsx

index.html

let 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 },
            { 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, Predecessor: '3FS+2 days', 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 },
            { 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'), Predecessor: '7SS+ 2 days', Duration: 3, Progress: 50 }
        ]
    },
];
import * as React from 'react';
import * as ReactDOM from 'react-dom';
import { GanttComponent, ColumnsDirective, ColumnDirective } from '@syncfusion/ej2-react-gantt';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.taskFields = {
            id: 'TaskID',
            name: 'TaskName',
            startDate: 'StartDate',
            duration: 'Duration',
            progress: 'Progress',
            dependency: 'Predecessor',
            child: 'subtasks'
        };
        this.template = this.tooltipTemplate;
        this.tooltipSettings = {
            connectorLine: this.template.bind(this)
        };
    }
    tooltipTemplate(props) {
        return (<div>Offset : {props.offsetString}</div>);
    }
    ;
    render() {
        return <GanttComponent dataSource={data} taskFields={this.taskFields} tooltipSettings={this.tooltipSettings} height='450px'>
        <ColumnsDirective>
            <ColumnDirective field='TaskID' width='100'></ColumnDirective>
            <ColumnDirective field='Predecessor'></ColumnDirective>
        </ColumnsDirective>
    </GanttComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById('root'));

let data: Object[] = [
  {
  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 },
      { 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,Predecessor:'3FS+2 days', 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 },
      { 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'),Predecessor:'7SS+ 2 days', Duration: 3, Progress: 50 }
  ]
  },
];

import * as React from 'react';
import * as ReactDOM from 'react-dom';
import { GanttComponent, ColumnsDirective, ColumnDirective } from '@syncfusion/ej2-react-gantt';

class App extends React.Component<{}, {}>{
public taskFields: any = {
id: 'TaskID',
name: 'TaskName',
startDate: 'StartDate',
duration: 'Duration',
progress: 'Progress',
dependency: 'Predecessor',
child: 'subtasks'
  };
  public tooltipTemplate(props:any) {
return (<div>Offset : {props.offsetString}</div>)
  };
  public template: any = this.tooltipTemplate;
  public tooltipSettings: any = {
connectorLine: this.template.bind(this)
  };
render() {
    return <GanttComponent dataSource={data} taskFields={this.taskFields}
       tooltipSettings={this.tooltipSettings} height = '450px'>
        <ColumnsDirective>
            <ColumnDirective field='TaskID' width='100' ></ColumnDirective>
            <ColumnDirective field='Predecessor'></ColumnDirective>
        </ColumnsDirective>
    </GanttComponent>
}
};
ReactDOM.render(<App />, document.getElementById('root'));

<!DOCTYPE html>
<html lang="en">

<head>
    <title>Syncfusion React Gantt</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Essential JS 2 for React Components" />
    <meta name="author" content="Syncfusion" />
    <link href="https://cdn.syncfusion.com/ej2/material.css" rel="stylesheet" type="text/css"/>
    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
     <style>
        #loader {
            color: #008cff;
            height: 40px;
            left: 45%;
            position: absolute;
            top: 45%;
            width: 30%;
        }
    </style>
</head>

<body>
        <div id='root'>
            <div id='loader'>Loading....</div>
        </div>
</body>

</html>

The taskbar editing tooltip can be customized using the tooltipSettings.editing property. The following code example shows how to customize the taskbar editing tooltip in Gantt.

Source

Preview

index.jsx

index.tsx

index.html

import * as React from 'react';
import * as ReactDOM from 'react-dom';
import { GanttComponent, Inject, Edit } from '@syncfusion/ej2-react-gantt';
import { data } from './datasource';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.taskFields = {
            id: 'TaskID',
            name: 'TaskName',
            startDate: 'StartDate',
            duration: 'Duration',
            progress: 'Progress',
            child: 'subtasks'
        };
        this.editOptions = {
            allowTaskbarEditing: true
        };
        this.template = this.tooltipTemplate;
        this.tooltipSettings = {
            editing: this.template.bind(this)
        };
    }
    tooltipTemplate(props) {
        return (<div>Duration : {props.duration}</div>);
    }
    ;
    render() {
        return <GanttComponent dataSource={data} taskFields={this.taskFields} tooltipSettings={this.tooltipSettings} editSettings={this.editOptions} height='450px'>
        <Inject services={[Edit]}/>
    </GanttComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById('root'));

import * as React from 'react';
import * as ReactDOM from 'react-dom';
import { GanttComponent, Inject, Edit, EditSettingsModel } from '@syncfusion/ej2-react-gantt';
import { data } from './datasource';
class App extends React.Component<{}, {}>{
public taskFields: any = {
id: 'TaskID',
name: 'TaskName',
startDate: 'StartDate',
duration: 'Duration',
progress: 'Progress',
   child: 'subtasks'
  };
  public editOptions: EditSettingsModel = {
allowTaskbarEditing: true
  };
  public tooltipTemplate(props:any) {
return (<div>Duration : {props.duration}</div>)
  };
  public template: any = this.tooltipTemplate;
  public tooltipSettings: any = {
 editing: this.template.bind(this)
  };
render() {
    return <GanttComponent dataSource={data} taskFields={this.taskFields}
       tooltipSettings={this.tooltipSettings} editSettings={this.editOptions} height = '450px'>
        <Inject services={[Edit]} />
    </GanttComponent>
}
};
ReactDOM.render(<App />, document.getElementById('root'));

<!DOCTYPE html>
<html lang="en">

<head>
    <title>Syncfusion React Gantt</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Essential JS 2 for React Components" />
    <meta name="author" content="Syncfusion" />
    <link href="https://cdn.syncfusion.com/ej2/material.css" rel="stylesheet" type="text/css"/>
    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
     <style>
        #loader {
            color: #008cff;
            height: 40px;
            left: 45%;
            position: absolute;
            top: 45%;
            width: 30%;
        }
    </style>
</head>

<body>
        <div id='root'>
            <div id='loader'>Loading....</div>
        </div>
</body>

</html>

A baseline tooltip can be customized using the tooltipSettings.baseline property. The following code example shows how to customize the baseline tooltip in Gantt.

Source

Preview

index.jsx

index.tsx

index.html

let 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', BaselineStartDate: new Date('04/02/2019'), BaselineEndDate: new Date('04/06/2019'), StartDate: new Date('04/02/2019'), Duration: 0, Progress: 50 },
            { TaskID: 3, TaskName: 'Perform Soil test', BaselineStartDate: new Date('04/04/2019'), BaselineEndDate: new Date('04/09/2019'), StartDate: new Date('04/02/2019'), Duration: 4, Progress: 50 },
            { TaskID: 4, TaskName: 'Soil test approval', BaselineStartDate: new Date('04/08/2019'), BaselineEndDate: new Date('04/12/2019'), 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', BaselineStartDate: new Date('04/04/2019'), BaselineEndDate: new Date('04/08/2019'), StartDate: new Date('04/04/2019'), Duration: 3, Progress: 50 },
            { TaskID: 7, TaskName: 'List materials', BaselineStartDate: new Date('04/02/2019'), BaselineEndDate: new Date('04/04/2019'), StartDate: new Date('04/04/2019'), Duration: 3, Progress: 50 },
            { TaskID: 8, TaskName: 'Estimation approval', BaselineStartDate: new Date('04/02/2019'), BaselineEndDate: new Date('04/02/2019'), StartDate: new Date('04/04/2019'), Duration: 0, Progress: 50 }
        ]
    },
];
import * as React from 'react';
import * as ReactDOM from 'react-dom';
import { GanttComponent } from '@syncfusion/ej2-react-gantt';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.taskFields = {
            id: 'TaskID',
            name: 'TaskName',
            startDate: 'StartDate',
            duration: 'Duration',
            progress: 'Progress',
            baselineStartDate: 'BaselineStartDate',
            baselineEndDate: 'BaselineEndDate',
            child: 'subtasks'
        };
        this.template = this.tooltipTemplate;
        this.tooltipSettings = {
            baseline: this.template.bind(this)
        };
    }
    tooltipTemplate(props) {
        return (<div>Baseline StartDate : {this.ganttInstance.getFormatedDate(props.BaselineStartDate)}</div>);
    }
    ;
    render() {
        return <GanttComponent dataSource={data} taskFields={this.taskFields} tooltipSettings={this.tooltipSettings} renderBaseline={true} baselineColor="red" height='450px' ref={gantt => this.ganttInstance = gantt}>
      </GanttComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById('root'));

let data: Object[] = [
  {
  TaskID: 1,
  TaskName: 'Project Initiation',
  StartDate: new Date('04/02/2019'),
  EndDate: new Date('04/21/2019'),
  subtasks: [
      { TaskID: 2, TaskName: 'Identify Site location', BaselineStartDate: new Date('04/02/2019'), BaselineEndDate: new Date('04/06/2019'), StartDate: new Date('04/02/2019'), Duration: 0, Progress: 50 },
      { TaskID: 3, TaskName: 'Perform Soil test', BaselineStartDate: new Date('04/04/2019'), BaselineEndDate: new Date('04/09/2019'), StartDate: new Date('04/02/2019'), Duration: 4, Progress: 50 },
      { TaskID: 4, TaskName: 'Soil test approval', BaselineStartDate: new Date('04/08/2019'), BaselineEndDate: new Date('04/12/2019'), 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', BaselineStartDate: new Date('04/04/2019'), BaselineEndDate: new Date('04/08/2019'), StartDate: new Date('04/04/2019'), Duration: 3, Progress: 50 },
      { TaskID: 7, TaskName: 'List materials', BaselineStartDate: new Date('04/02/2019'), BaselineEndDate: new Date('04/04/2019'), StartDate: new Date('04/04/2019'), Duration: 3, Progress: 50 },
      { TaskID: 8, TaskName: 'Estimation approval', BaselineStartDate: new Date('04/02/2019'), BaselineEndDate: new Date('04/02/2019'), StartDate: new Date('04/04/2019'), Duration: 0, Progress: 50 }
  ]
  },
];

import * as React from 'react';
import * as ReactDOM from 'react-dom';
import { GanttComponent, ColumnsDirective, ColumnDirective } from '@syncfusion/ej2-react-gantt';

class App extends React.Component<{}, {}>{
private ganttInstance: any;
public taskFields: any = {
id: 'TaskID',
name: 'TaskName',
startDate: 'StartDate',
duration: 'Duration',
progress: 'Progress',
baselineStartDate: 'BaselineStartDate',
baselineEndDate: 'BaselineEndDate',
child: 'subtasks'
  };
  public tooltipTemplate(props:any) {
return (<div>Baseline StartDate : {this.ganttInstance.getFormatedDate(props.BaselineStartDate)}</div>)
  };
  public template: any = this.tooltipTemplate;
  public tooltipSettings: any = {
baseline: this.template.bind(this)
  };
render() {
    return <GanttComponent dataSource={data} taskFields={this.taskFields}
       tooltipSettings={this.tooltipSettings} renderBaseline={true} baselineColor="red" height = '450px' ref={gantt => this.ganttInstance = gantt}>
      </GanttComponent>
}
};
ReactDOM.render(<App />, document.getElementById('root'));

<!DOCTYPE html>
<html lang="en">

<head>
    <title>Syncfusion React Gantt</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Essential JS 2 for React Components" />
    <meta name="author" content="Syncfusion" />
    <link href="https://cdn.syncfusion.com/ej2/material.css" rel="stylesheet" type="text/css"/>
    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
     <style>
        #loader {
            color: #008cff;
            height: 40px;
            left: 45%;
            position: absolute;
            top: 45%;
            width: 30%;
        }
    </style>
</head>

<body>
        <div id='root'>
            <div id='loader'>Loading....</div>
        </div>
</body>

</html>

Contents

Enable tooltip
Timeline cells tooltip
Cell tooltip
Clip mode
Tooltip template
Taskbar tooltip
Connector line tooltip
Taskbar editing tooltip
Baseline tooltip

Contents

Enable tooltip
Timeline cells tooltip
Cell tooltip
Clip mode
Tooltip template
Taskbar tooltip
Connector line tooltip
Taskbar editing tooltip
Baseline tooltip

Please provide additional information

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Tooltip in React Gantt component

Enable tooltip

Timeline cells tooltip

Cell tooltip

Clip mode

Tooltip template

Taskbar tooltip

Connector line tooltip

Taskbar editing tooltip

Baseline tooltip