Configuring Lightbox Elements

Lightbox is an edit form used to change the task's details.
The default lightbox is presented in the image below.

Lightboxes may differ depending on the type and peculiarities of tasks they are used for. Configuration settings for each type of a task are stored in the lightbox object. They are:

  • gantt.config.lightbox.sections - for regular tasks.
  • gantt.config.lightbox.project_sections - for project tasks.
  • gantt.config.lightbox.milestone_sections - for milestones.

It is also possible to add a custom type and define necessary structure of the lightbox for it. More information is given in the article Task Types.

Lightbox structure

Sections

The structure of the lightbox is specified by the sections property of the lightbox object:

//default lightbox definition   
gantt.config.lightbox.sections=[
    {name:"description", height:70, map_to:"text", type:"textarea", focus:true},
    {name:"time",        height:72, map_to:"auto", type:"duration"}
];

Each item in the sections array is an object that specifies an individual section in the lightbox (available section properties).

Sections controls

Each section of the lightbox is based on some control. The following types of controls are available for use in the lightbox:

  • Textarea - a multiline text field
  • Time - a pair of selectors for setting the task duration by specifying the task's start and end dates
  • Duration - a set of selectors for setting the task duration by specifying the task's start date and the number of days
  • Select - a simple select box
  • Typeselect - a select box for changing the type of a task
  • Parent - a select box for changing the parent of a task
  • Template - a container with some HTML content inside
  • Checkbox - a checkbox for switching an option or several values on/off
  • Radio button - a radio button for selecting only one option from a given set of options
  • Resources - a complex control for assigning several resources to a task
  • Constraint - a complex control for setting constraints for a task
var opts = [
    { key: 1, label: 'High' },
    { key: 2, label: 'Normal' },
    { key: 3, label: 'Low' }
];
 
gantt.config.lightbox.sections = [
    {name:"description", height:38, map_to:"text", type:"textarea", focus:true},
    {name:"priority",    height:22, map_to:"priority", type:"select", options:opts},
    {name:"time",        height:72, map_to:"auto", type:"duration"}
];
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