Class: Task

Sheets.GanttSheet.Task

Table of contents

Constructors

• constructor

Properties

• children
• complete
• completeThrough
• duration
• finish
• finishDisplayed
• isMilestone
• isNormal
• isSummary
• level
• mode
• name
• parent
• predecessorDependencies
• predecessors
• rowIndex
• start
• startDisplayed
• style
• successorDependencies
• successors
• taskNumber

Methods

• getValue
• setValue

Constructors

constructor

• new Task()

Creates a task instance. Internal used only.

classdesc Represents a task in project.

Properties

children

• children: Task[]

Gets the children of this task. This is a cloned array of the internal tasks. To modify the children, please call project.insertTasks and project.removeTasks.

readonly

---

complete

• complete: number

Gets or sets a float number that indicates the complete percentage of this task. The value could be 0 to 1.

---

completeThrough

• completeThrough: Date

Gets or sets a Date value that indicates the progress of a task. It is the point up to which actual have been reported for the task.

---

duration

• duration: string | number | Duration

Gets or sets the duration of this task. It is allowed to set a number or string value to represent the duration, and the get result will always be a valid GC.Spread.Sheets.GanttSheet.Duration object. Note that duration could be null for a start-only or finish-only task with manually scheduling mode.

---

finish

• finish: Date

Gets or sets the finish date of this task. Note that finish could be null for a start-only or duration-only task with manually scheduling mode. In these cases, use finishDisplayed to get the actual value in GanttChart.

---

finishDisplayed

• finishDisplayed: Date

Gets the finish date for this task to display in GanttChart.

readonly

---

isMilestone

• isMilestone: boolean

Gets or sets a boolean value that indicates this task is a milestone or not. If not specified, a task will show as milestone if the duration time is 0.

---

isNormal

• isNormal: boolean

Gets a boolean value that indicates this task is a normal task or not. A normal task is neither a summary task nor milestone.

readonly

---

isSummary

• isSummary: boolean

Gets a boolean value that indicates this task is a summary task or not. A summary task is a parent of other tasks.

readonly

---

level

• level: number

Gets the level of this task. For root task, the value is 0.

readonly

---

mode

• mode: TaskScheduleMode

Gets or sets the scheduling mode of this task.

---

name

• name: string

Gets or sets the name of this task.

---

parent

• parent: Task

Gets the parent of this task. Note the root task has no parent.

readonly

---

predecessorDependencies

• predecessorDependencies: TaskDependency[]

Gets a GC.Spread.Sheets.GanttSheet.TaskDependency array that contains all predecessor of this task. To modify the predecessor, please set predecessor field of task, or call addDependency or removeDependency of project.

readonly

---

predecessors

• predecessors: string

Gets or sets a string value that represents the predecessors of this task. The predecessors string contains one or more task number and dependency type.

---

rowIndex

• rowIndex: number

Gets the row index of this task. The row index is same as the id of the task if tasks are not sorted.

readonly

---

start

• start: Date

Gets or sets the start date of this task. Note that start could be null for a finish-only or duration-only task with manually scheduling mode. In these cases, use startDisplayed to get the actual value in GanttChart.

---

startDisplayed

• startDisplayed: Date

Gets the start date for this task to display in GanttChart.

readonly

---

style

• style: Object

Gets or sets the bar styles of this task. A task could have several task bars in the GanttChart, you could set style for each bar by the specified rule name. Note do not modify the members of this value, instead, please set a new object instance for this field.

Index signature

▪ [key: string]: TaskStyle

---

successorDependencies

• successorDependencies: TaskDependency[]

Gets a GC.Spread.Sheets.GanttSheet.TaskDependency array that contains all successors of this task. To modify the successors, please set successors field of task, or call addDependency or removeDependency of project.

readonly

---

successors

• successors: string

Gets or sets a string value that represents the successors of this task. The successors string contains one or more task number and dependency type.

---

taskNumber

• taskNumber: number

Gets the number of this task. For root task, the value is 0.

readonly

Methods

getValue

▸ getValue(property): void

Gets the task value by the specified property.

Parameters

Name	Type	Description
property	string	the specified property.

Returns

void

the task value.

---

setValue

▸ setValue(property, value): void

Sets the task value by the specified property.

Parameters

Name	Type	Description
property	string	the specified property.
value	any	the specified value.

Returns

void