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Tooltip
The Gantt component has a support to display a tooltip for various UI elements like taskbar, timeline cells, and grid cells
Enable tooltip
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
@using Syncfusion.EJ2.Blazor.Gantt
<EjsGantt DataSource="@TaskCollection" RenderBaseline="true" BaselineColor="Red" Height="450px" Width="800px">
<GanttTaskFields Id="TaskId" Name="TaskName" StartDate="StartDate" EndDate="EndDate" Duration="Duration" Progress="Progress" Dependency="Predecessor"
BaselineStartDate="BaselineStartDate" BaselineEndDate="BaselineEndDate" Child="SubTasks">
</GanttTaskFields>
<GanttEventMarkers>
<GanttEventMarker Day="4/10/2019" Label="Project approval and kick-off"
CssClass="e-custom-event-marker"></GanttEventMarker>
</GanttEventMarkers>
</EjsGantt>
@code{
public List<TaskData> TaskCollection { get; set; }
protected override void OnInitialized()
{
this.TaskCollection = GetTaskCollection();
}
public class TaskData
{
public int TaskId { get; set; }
public string TaskName { get; set; }
public DateTime StartDate { get; set; }
public DateTime EndDate { get; set; }
public string Duration { get; set; }
public int Progress { get; set; }
public List<TaskData> SubTasks { get; set; }
public DateTime? BaselineStartDate { get; set; }
public DateTime? BaselineEndDate { get; set; }
public string Predecessor { get; set; }
}
public static List <TaskData> GetTaskCollection() {
List <TaskData> Tasks = new List <TaskData> () {
new TaskData() {
TaskId = 1,
TaskName = "Project initiation",
StartDate = new DateTime(2019, 04, 02),
EndDate = new DateTime(2019, 04, 21),
SubTasks = (new List <TaskData> () {
new TaskData() {
TaskId = 2,
TaskName = "Identify site location",
StartDate = new DateTime(2019, 04, 02),
Duration = "4",
BaselineStartDate = new DateTime(2019, 04, 02),
BaselineEndDate = new DateTime(2019, 04, 08),
Progress = 70
},
new TaskData() {
TaskId = 3,
TaskName = "Perform soil test",
StartDate = new DateTime(2019, 04, 02),
Duration = "4",
Predecessor = "2FS",
Progress = 50
},
new TaskData() {
TaskId = 4,
TaskName = "Soil test approval",
StartDate = new DateTime(2019, 04, 02),
Duration = "4",
Progress = 50
},
})
},
new TaskData() {
TaskId = 5,
TaskName = "Project estimation",
StartDate = new DateTime(2019, 04, 02),
EndDate = new DateTime(2019, 04, 21),
SubTasks = (new List <TaskData> () {
new TaskData() {
TaskId = 6,
TaskName = "Develop floor plan for estimation",
StartDate = new DateTime(2019, 04, 04),
Duration = "3",
Progress = 70,
BaselineStartDate = new DateTime(2019, 04, 02),
BaselineEndDate = new DateTime(2019, 04, 06),
},
new TaskData() {
TaskId = 7,
TaskName = "List materials",
StartDate = new DateTime(2019, 04, 04),
Duration = "3",
Predecessor = "6SS",
Progress = 50
}
})
}
};
return Tasks;
}
}
<style>
.e-gantt .e-gantt-chart .e-custom-event-marker {
width: 1px;
border-left: 2px green dotted;
}
</style>
Taskbar Tooltip
Dependency Tooltip
Baseline Tooltip
Event Marker Tooltip
The default value of the
TooltipSettings.ShowTooltipproperty is true.
Timeline cells tooltip
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.
@using Syncfusion.EJ2.Blazor.Gantt
<EjsGantt DataSource="@TaskCollection" Height="450px" Width="700px">
<GanttTaskFields Id="TaskId" Name="TaskName" StartDate="StartDate" EndDate="EndDate"
Duration="Duration" Progress="Progress" Child="SubTasks">
</GanttTaskFields>
<GanttTimelineSettings ShowTooltip="true"></GanttTimelineSettings>
</EjsGantt>
@code{
public List<TaskData> TaskCollection { get; set; }
protected override void OnInitialized()
{
this.TaskCollection = GetTaskCollection();
}
public class TaskData
{
public int TaskId { get; set; }
public string TaskName { get; set; }
public DateTime StartDate { get; set; }
public DateTime EndDate { get; set; }
public string Duration { get; set; }
public int Progress { get; set; }
public List<TaskData> SubTasks { get; set; }
}
public static List <TaskData> GetTaskCollection() {
List <TaskData> Tasks = new List <TaskData> () {
new TaskData() {
TaskId = 1,
TaskName = "Project initiation",
StartDate = new DateTime(2019, 04, 02),
EndDate = new DateTime(2019, 04, 21),
SubTasks = (new List <TaskData> () {
new TaskData() {
TaskId = 2,
TaskName = "Identify Site location",
StartDate = new DateTime(2019, 04, 02),
Duration = "0",
Progress = 30,
},
new TaskData() {
TaskId = 3,
TaskName = "Perform soil test",
StartDate = new DateTime(2019, 04, 02),
Duration = "4",
Progress = 40,
},
new TaskData() {
TaskId = 4,
TaskName = "Soil test approval",
StartDate = new DateTime(2019, 04, 02),
Duration = "0",
Progress = 30
},
})
},
new TaskData() {
TaskId = 5,
TaskName = "Project estimation",
StartDate = new DateTime(2019, 04, 02),
EndDate = new DateTime(2019, 04, 21),
SubTasks = (new List <TaskData> () {
new TaskData() {
TaskId = 6,
TaskName = "Develop floor plan for estimation",
StartDate = new DateTime(2019, 04, 04),
Duration = "3",
Progress = 30,
},
new TaskData() {
TaskId = 7,
TaskName = "List materials",
StartDate = new DateTime(2019, 04, 04),
Duration = "3",
Progress = 40
},
new TaskData() {
TaskId = 8,
TaskName = "Estimation approval",
StartDate = new DateTime(2019, 04, 04),
Duration = "0",
Progress = 30,
}
})
}
};
return Tasks;
}
}
}
Cell tooltip
You can enable or disable the Grid cell tooltip using the Columns.ClipMode property.
@using Syncfusion.EJ2.Blazor.Gantt
@using Syncfusion.EJ2.Blazor.Grids
<EjsGantt DataSource="@TaskCollection" Height="450px" Width="700px">
<GanttTaskFields Id="TaskId" Name="TaskName" StartDate="StartDate" EndDate="EndDate"
Duration="Duration" Progress="Progress" Child="SubTasks">
</GanttTaskFields>
<GanttColumns>
<GanttColumn Field="TaskId"></GanttColumn>
<GanttColumn Field="TaskName" Width="100" ClipMode="ClipMode.EllipsisWithTooltip"></GanttColumn>
<GanttColumn Field="StartDate"></GanttColumn>
<GanttColumn Field="Duration" ClipMode="ClipMode.Clip"></GanttColumn>
<GanttColumn Field="Progress"></GanttColumn>
</GanttColumns>
</EjsGantt>
@code{
public List<TaskData> TaskCollection { get; set; }
protected override void OnInitialized()
{
this.TaskCollection = GetTaskCollection();
}
public class TaskData
{
public int TaskId { get; set; }
public string TaskName { get; set; }
public DateTime StartDate { get; set; }
public DateTime EndDate { get; set; }
public string Duration { get; set; }
public int Progress { get; set; }
public List<TaskData> SubTasks { get; set; }
}
public static List <TaskData> GetTaskCollection() {
List <TaskData> Tasks = new List <TaskData> () {
new TaskData() {
TaskId = 1,
TaskName = "Project initiation",
StartDate = new DateTime(2019, 04, 02),
EndDate = new DateTime(2019, 04, 21),
SubTasks = (new List <TaskData> () {
new TaskData() {
TaskId = 2,
TaskName = "Identify Site location",
StartDate = new DateTime(2019, 04, 02),
Duration = "0",
Progress = 30,
},
new TaskData() {
TaskId = 3,
TaskName = "Perform soil test",
StartDate = new DateTime(2019, 04, 02),
Duration = "4",
Progress = 40,
},
new TaskData() {
TaskId = 4,
TaskName = "Soil test approval",
StartDate = new DateTime(2019, 04, 02),
Duration = "0",
Progress = 30
},
})
},
new TaskData() {
TaskId = 5,
TaskName = "Project estimation",
StartDate = new DateTime(2019, 04, 02),
EndDate = new DateTime(2019, 04, 21),
SubTasks = (new List <TaskData> () {
new TaskData() {
TaskId = 6,
TaskName = "Develop floor plan for estimation",
StartDate = new DateTime(2019, 04, 04),
Duration = "3",
Progress = 30,
},
new TaskData() {
TaskId = 7,
TaskName = "List materials",
StartDate = new DateTime(2019, 04, 04),
Duration = "3",
Progress = 40
},
new TaskData() {
TaskId = 8,
TaskName = "Estimation approval",
StartDate = new DateTime(2019, 04, 04),
Duration = "0",
Progress = 30,
}
})
}
};
return Tasks;
}
}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
ClipModeproperty is defined asEllipsisWithTooltip.
Tooltip template
Taskbar tooltip
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.
@using Syncfusion.EJ2.Blazor.Gantt
<EjsGantt DataSource="@TaskCollection" Height="450px" Width="700px">
<GanttTaskFields Id="TaskId" Name="TaskName" StartDate="StartDate" EndDate="EndDate"
Duration="Duration" Progress="Progress" Child="SubTasks">
</GanttTaskFields>
<GanttTooltipSettings Taskbar="<div>TaskID: ${TaskId}</div>"></GanttTooltipSettings>
</EjsGantt>
@code{
public List<TaskData> TaskCollection { get; set; }
protected override void OnInitialized()
{
this.TaskCollection = GetTaskCollection();
}
public class TaskData
{
public int TaskId { get; set; }
public string TaskName { get; set; }
public DateTime StartDate { get; set; }
public DateTime EndDate { get; set; }
public string Duration { get; set; }
public int Progress { get; set; }
public List<TaskData> SubTasks { get; set; }
}
public static List <TaskData> GetTaskCollection() {
List <TaskData> Tasks = new List <TaskData> () {
new TaskData() {
TaskId = 1,
TaskName = "Project initiation",
StartDate = new DateTime(2019, 04, 02),
EndDate = new DateTime(2019, 04, 21),
SubTasks = (new List <TaskData> () {
new TaskData() {
TaskId = 2,
TaskName = "Identify Site location",
StartDate = new DateTime(2019, 04, 02),
Duration = "0",
Progress = 30,
},
new TaskData() {
TaskId = 3,
TaskName = "Perform soil test",
StartDate = new DateTime(2019, 04, 02),
Duration = "4",
Progress = 40,
},
new TaskData() {
TaskId = 4,
TaskName = "Soil test approval",
StartDate = new DateTime(2019, 04, 02),
Duration = "0",
Progress = 30
},
})
},
new TaskData() {
TaskId = 5,
TaskName = "Project estimation",
StartDate = new DateTime(2019, 04, 02),
EndDate = new DateTime(2019, 04, 21),
SubTasks = (new List <TaskData> () {
new TaskData() {
TaskId = 6,
TaskName = "Develop floor plan for estimation",
StartDate = new DateTime(2019, 04, 04),
Duration = "3",
Progress = 30,
},
new TaskData() {
TaskId = 7,
TaskName = "List materials",
StartDate = new DateTime(2019, 04, 04),
Duration = "3",
Progress = 40
},
new TaskData() {
TaskId = 8,
TaskName = "Estimation approval",
StartDate = new DateTime(2019, 04, 04),
Duration = "0",
Progress = 30,
}
})
}
};
return Tasks;
}
}The below screenshot shows the output of above code example.
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.
@using Syncfusion.EJ2.Blazor.Gantt
<EjsGantt DataSource="@TaskCollection" Height="450px" Width="800px">
<GanttTaskFields Id="TaskId" Name="TaskName" StartDate="StartDate" EndDate="EndDate"
Duration="Duration" Progress="Progress" Dependency="Predecessor" Child="SubTasks">
</GanttTaskFields>
<GanttTooltipSettings ConnectorLine="<div>Offset : ${offsetString}</div>"></GanttTooltipSettings>
</EjsGantt>
@code{
public List<TaskData> TaskCollection { get; set; }
protected override void OnInitialized()
{
this.TaskCollection = GetTaskCollection();
}
public class TaskData
{
public int TaskId { get; set; }
public string TaskName { get; set; }
public DateTime StartDate { get; set; }
public DateTime EndDate { get; set; }
public string Duration { get; set; }
public int Progress { get; set; }
public string Predecessor { get; set; }
public List<TaskData> SubTasks { get; set; }
}
public static List <TaskData> GetTaskCollection() {
List <TaskData> Tasks = new List <TaskData> () {
new TaskData() {
TaskId = 1,
TaskName = "Project initiation",
StartDate = new DateTime(2019, 04, 02),
EndDate = new DateTime(2019, 04, 21),
SubTasks = (new List <TaskData> () {
new TaskData() {
TaskId = 2,
TaskName = "Identify site location",
StartDate = new DateTime(2019, 04, 02),
Duration = "4",
Progress = 70
},
new TaskData() {
TaskId = 3,
TaskName = "Perform soil test",
StartDate = new DateTime(2019, 04, 02),
Duration = "4",
Predecessor = "2FS+2",
Progress = 50
},
new TaskData() {
TaskId = 4,
TaskName = "Soil test approval",
StartDate = new DateTime(2019, 04, 02),
Duration = "4",
Progress = 50
},
})
},
new TaskData() {
TaskId = 5,
TaskName = "Project estimation",
StartDate = new DateTime(2019, 04, 02),
EndDate = new DateTime(2019, 04, 21),
SubTasks = (new List <TaskData> () {
new TaskData() {
TaskId = 6,
TaskName = "Develop floor plan for estimation",
StartDate = new DateTime(2019, 04, 04),
Duration = "3",
Progress = 70,
},
new TaskData() {
TaskId = 7,
TaskName = "List materials",
StartDate = new DateTime(2019, 04, 04),
Duration = "3",
Predecessor = "6SS",
Progress = 50
},
})
}
};
return Tasks;
}
}The below screenshot shows the output of above code example.
Taskbar editing tooltip
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.
@using Syncfusion.EJ2.Blazor.Gantt
<EjsGantt DataSource="@TaskCollection" Height="450px" Width="700px">
<GanttTaskFields Id="TaskId" Name="TaskName" StartDate="StartDate" EndDate="EndDate" Duration="Duration" Progress="Progress" Child="SubTasks">
</GanttTaskFields>
<GanttTooltipSettings Editing="<div>Duration : ${duration}</div>"></GanttTooltipSettings>
<GanttEditSettings AllowTaskbarEditing="true"></GanttEditSettings>
</EjsGantt>
@code{
public List<TaskData> TaskCollection { get; set; }
protected override void OnInitialized()
{
this.TaskCollection = GetTaskCollection();
}
public class TaskData
{
public int TaskId { get; set; }
public string TaskName { get; set; }
public DateTime StartDate { get; set; }
public DateTime EndDate { get; set; }
public string Duration { get; set; }
public int Progress { get; set; }
public List<TaskData> SubTasks { get; set; }
}
public static List <TaskData> GetTaskCollection() {
List <TaskData> Tasks = new List <TaskData> () {
new TaskData() {
TaskId = 1,
TaskName = "Project initiation",
StartDate = new DateTime(2019, 04, 02),
EndDate = new DateTime(2019, 04, 21),
SubTasks = (new List <TaskData> () {
new TaskData() {
TaskId = 2,
TaskName = "Identify site location",
StartDate = new DateTime(2019, 04, 02),
Duration = "4",
Progress = 70
},
new TaskData() {
TaskId = 3,
TaskName = "Perform soil test",
StartDate = new DateTime(2019, 04, 02),
Duration = "4",
Progress = 50
},
new TaskData() {
TaskId = 4,
TaskName = "Soil test approval",
StartDate = new DateTime(2019, 04, 02),
Duration = "4",
Progress = 50
},
})
},
new TaskData() {
TaskId = 5,
TaskName = "Project estimation",
StartDate = new DateTime(2019, 04, 02),
EndDate = new DateTime(2019, 04, 21),
SubTasks = (new List <TaskData> () {
new TaskData() {
TaskId = 6,
TaskName = "Develop floor plan for estimation",
StartDate = new DateTime(2019, 04, 04),
Duration = "3",
Progress = 70,
},
new TaskData() {
TaskId = 7,
TaskName = "List materials",
StartDate = new DateTime(2019, 04, 04),
Duration = "3",
Progress = 50
},
})
}
};
return Tasks;
}
}The below screenshot shows the output of above code example.
Baseline tooltip
A baseline tooltip can be customized using the TooltipSettings.Baseline property. The following code example shows how to customize the baseline tooltip in Gantt.
@using Syncfusion.EJ2.Blazor.Gantt
<EjsGantt DataSource="@TaskCollection" RenderBaseline="true"
BaselineColor="Red" Height="450px" Width="800px">
<GanttTaskFields Id="TaskId" Name="TaskName" StartDate="StartDate" EndDate="EndDate"
Duration="Duration" Progress="Progress" BaselineStartDate="BaselineStartDate" BaselineEndDate="BaselineEndDate" Child="SubTasks">
</GanttTaskFields>
<GanttTooltipSettings Baseline="<div>Baseline StartDate : ${this.getFormatedDate(BaselineStartDate)}</div>"></GanttTooltipSettings>
</EjsGantt>
@code{
public List<TaskData> TaskCollection { get; set; }
protected override void OnInitialized()
{
this.TaskCollection = GetTaskCollection();
}
public class TaskData
{
public int TaskId { get; set; }
public string TaskName { get; set; }
public DateTime StartDate { get; set; }
public DateTime EndDate { get; set; }
public string Duration { get; set; }
public int Progress { get; set; }
public DateTime? BaselineStartDate { get; set; }
public DateTime? BaselineEndDate { get; set; }
public List<TaskData> SubTasks { get; set; }
}
public static List <TaskData> GetTaskCollection() {
List <TaskData> Tasks = new List <TaskData> () {
new TaskData() {
TaskId = 1,
TaskName = "Project initiation",
StartDate = new DateTime(2019, 04, 02),
EndDate = new DateTime(2019, 04, 21),
SubTasks = (new List <TaskData> () {
new TaskData() {
TaskId = 2,
TaskName = "Identify site location",
StartDate = new DateTime(2019, 04, 02),
Duration = "4",
Progress = 70
},
new TaskData() {
TaskId = 3,
TaskName = "Perform soil test",
StartDate = new DateTime(2019, 04, 02),
Duration = "4",
Progress = 50,
BaselineStartDate = new DateTime(2019, 04, 02),
BaselineEndDate = new DateTime(2019, 04, 08)
},
new TaskData() {
TaskId = 4,
TaskName = "Soil test approval",
StartDate = new DateTime(2019, 04, 02),
Duration = "4",
Progress = 50
},
})
},
new TaskData() {
TaskId = 5,
TaskName = "Project estimation",
StartDate = new DateTime(2019, 04, 02),
EndDate = new DateTime(2019, 04, 21),
SubTasks = (new List <TaskData> () {
new TaskData() {
TaskId = 6,
TaskName = "Develop floor plan for estimation",
StartDate = new DateTime(2019, 04, 04),
Duration = "3",
Progress = 70,
BaselineStartDate = new DateTime(2019, 04, 02),
BaselineEndDate = new DateTime(2019, 04, 06),
},
new TaskData() {
TaskId = 7,
TaskName = "List materials",
StartDate = new DateTime(2019, 04, 04),
Duration = "3",
Progress = 50
},
})
}
};
return Tasks;
}
}The following screenshot shows the template for baseline in Gantt.
Thank you for your feedback and comments.We will rectify this as soon as possible!