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drag_link

Description​

定义在创建新依赖链接时显示的tooltip文本

drag_link: (from: string | number, from_start: boolean, to: string | number, to_start: boolean) => string;

Parameters​

  • from - (required) string | number - 源任务的ID
  • from_start - (required) boolean - true 表示链接是从源任务的开始端拖动，false 表示从结束端拖动
  • to - (required) string | number - 目标任务的ID（如果目标任务尚未指定，则为 'null' 或 'undefined'）
  • to_start - (required) boolean - true 表示链接拖动到目标任务的开始端，false 表示拖动到结束端

Returns​

  • text - (string) - 将在gantt中显示的html文本

Example​

gantt.templates.drag_link = function(from, from_start, to, to_start) {
    const sourceTask = gantt.getTask(from);

    let text = `From:<b> ${sourceTask.text}</b> ${(from_start?"Start":"End")}<br/>`;
    if(to){
        const targetTask = gantt.getTask(to);
        text += `To:<b> ${targetTask.text}</b> ${(to_start?"Start":"End")}<br/>`;
    }
    return text;
};