// CRUD editor for simple POCO with recursive sub collections
public static void AddPersonCollection(this ICmsConfig config)
{
config.AddCollection <Person, BaseRepository <Person> >("person", "Contact", "Red20", "People", collection =>
{
collection
.SetTreeView(x => x.Name)
.SetElementConfiguration(
x => x.Id,
x => x.Name,
x => x.Details != null ? x.Details.Email : "")
// this repository handles all the CRUD for this collection
// a list view is a table that displays a row (or multiple rows) of info per entity
.SetListView(view =>
{
// if new entities can be made using the CMS, include a New button so users can insert new entities
view.AddDefaultButton(DefaultButtonType.New);
// multiple rows can be added to display even more data
// only the first row will be used to generate headers
view.AddRow(row =>
{
// views always require you to specify strings, so the Id (an int) must be .ToString-ed.
// since this messes up the name of the column, you can set it to a nice name
row.AddField(p => p.Id.ToString()).SetName("ID");
row.AddField(p => p.Name);
// if an entity can be edited, include an Edit button so users can start editing entities
// the edit button in a list will always direct the user to the NodeEditor
row.AddDefaultButton(DefaultButtonType.Edit);
});
})
// a list editor is similar to a list view, but every column contains an editor so multiple entities can be edited in one go
// a list editor takes precedence over a list view, so when navigating to the Person collection, this view will be displayed
.SetListEditor(editor =>
{
editor.SetPageSize(20);
// adding Up to the button bar allows the user to get to the level above the current page (base upon the tree)
// this button will be hidden automatically when the user is at the root
editor.AddDefaultButton(DefaultButtonType.Up);
// in a list editor a New allows the user to add entities, within the list editor
editor.AddDefaultButton(DefaultButtonType.New);
editor.AddDefaultButton(DefaultButtonType.Return);
// adding a SaveExisting button to the ListEditor allows the user to bulk-save the entire list
// (only modified entities are touched)
editor.AddDefaultButton(DefaultButtonType.SaveExisting);
// allowing reordering so the user can shuffle the entities around and save them in a new order.
// the Repository must implement ReorderAsync
editor.AllowReordering(true);
// a list editor can be in the shape of a table, or a set of blocks, so these sections are either rows or blocks
editor.AddSection(row =>
{
// these fields will be the editors
row.AddField(p => p.Id).SetType(EditorType.Readonly);
row.AddField(p => p.Name);
// the SaveExisting button is only displayed when an entity is edited
row.AddDefaultButton(DefaultButtonType.SaveExisting, isPrimary: true);
// the SaveNew button is only displayed when an entity is inserted
row.AddDefaultButton(DefaultButtonType.SaveNew, isPrimary: true);
// the View button always directs the user to the NodeView
row.AddDefaultButton(DefaultButtonType.View);
// the Edit button always directs the user to the NodeEdit
row.AddDefaultButton(DefaultButtonType.Edit);
});
})
.SetNodeEditor(editor =>
{
// adding Up to the button bar allows the user to get to the level above the current page (base upon the tree)
editor.AddDefaultButton(DefaultButtonType.Up);
// just as in the ListEditor, SaveExisting only shows when the user is editing an existing entity,
// and the SaveNew only when inserting an entity
editor.AddDefaultButton(DefaultButtonType.SaveExisting, isPrimary: true);
editor.AddDefaultButton(DefaultButtonType.SaveNew, isPrimary: true);
// if an entity can be deleted, add a button for it, so the user can delete the entity
editor.AddDefaultButton(DefaultButtonType.Delete);
// an node editor can have multiple sections, which are displayed as separate blocks
editor.AddSection(section =>
{
// the DisableWhen expression is evaluated every time any property of the entity is updated
// so this allows you to make response forms which show or hide parts based upon the entity and its state
section.AddField(x => x.Id).DisableWhen((person, state) => true);
// it is allowed to use DisplayType fields in Editors, so some read only data can easily be displayed
section.AddField(x => x.Name); //.SetType(DisplayType.Label);
// if properties are in nested objects (like owned entities in EF), the editors support those as well
// flagging such property with [ValidateObject] will have the nested object validated as well
section.AddField(x => x.Details.Email)
// by default, all the properties will be combined to form the Name of the property (DetailsEmail in this example)
// so using SetName this can be set to something more user friendly
.SetName("Email")
.SetDetails(new MarkupString("<p>An email adress looks like <code>[email protected]</code>.</p>"));
});
// you can even have sections specifically for an entity type.
// if the repository can return multiple types of entities (all derived from a shared base type),
// sections can be made specifically for a type
editor.AddSection <Person>(section =>
{
// sections can have labels to make complex forms more understandable
section.SetLabel("Biography");
// sections can be hidden using VisibleWhen, based upon the entity or the state of that entity
// so users won't be confronted with editors that do not apply
section.VisibleWhen((person, state) => state == EntityState.IsExisting);
// there are many types of editors available, and even custom types can be used
section.AddField(x => x.Details.Bio).SetType(EditorType.TextArea).SetName("Bio");
});
editor.AddSection(section =>
{
// relations with other entities, collections and repositories are first-class in RapidCMS
// so this field will allow the user to select an entity that is one level deeper in the person-tree
section.AddField(x => x.FavouriteChildId)
.SetName("Favorite child")
.SetType(EditorType.Select)
.VisibleWhen((person, state) => state == EntityState.IsExisting)
.SetCollectionRelation <Person>("person", config =>
{
// this allows for configuring which property of the entity will make up the id for the element, and that value
// is set to FavouriteChildId when the user selects an element
config.SetElementIdProperty(x => x.Id);
// because a single label is often not enough, you can add more properties to make the labels for each option
config.SetElementDisplayProperties(x => x.Name, x => $"{x.Id} - {x.Details.Email}");
// sets the entity that is currently edited as parent for the repository to get elements for this field
config.SetEntityAsParent();
// any level from the tree can be picked:
// Favorite sibling: config.SetRepositoryParent(x => x);
// Favorite parent: config.SetRepositoryParent(x => x.Parent);
// Favorite grand parent: config.SetRepositoryParent(x => x.Parent != null ? x.Parent.Parent : default); // ?. is not yet supported in expressions..
});
});
// add the sub collection as element to the node editor
editor.AddSection(section =>
{
section.AddSubCollectionList("person");
});
})
.SetNodeView(view =>
{
view.AddDefaultButton(DefaultButtonType.SaveExisting, isPrimary: true);
view.AddDefaultButton(DefaultButtonType.SaveNew, isPrimary: true);
view.AddDefaultButton(DefaultButtonType.Delete);
view.AddSection(section =>
{
// views also allow for customization of how the data should be displayed
// you can use the available DisplayType's, or create your own Razor components (must be derived from BaseDisplay)
section.AddField(x => x.Id.ToString()).SetName("ID").SetType(DisplayType.Pre);
section.AddField(x => x.Name).SetType(DisplayType.Label);
section.AddField(x => x.Details.Email).SetType(typeof(EmailDisplay));
});
view.AddSection(section =>
{
section.AddField(x => x.Details.Bio);
});
});
collection.AddSelfAsRecursiveCollection();
// if the regular node editor of an entity is getting too cluttered, or if you want to move some of the functionality
// to a separate page, a detail page can be quite useful.
// a detail page is always a NodeEditor, and is only visible on existing entity.
// the repository it fetches its data from can have its own entity type, but the ID that is used to query for the data
// is the same as the entity the page is part of.
// it is also possible to create a navigation button to navigate to a details page, by building a INavigationHandler that
// calls NavigationRequest.NavigateToDetails (see NavigateToPersonHandler)
collection.AddDetailPage <Details, BaseRepository <Details> >("person-details", "Settings", "Red20", "Details", config =>
{
config.AddDefaultButton(DefaultButtonType.SaveExisting, "Save");
config.AddSection(section =>
{
section.AddField(x => x.Title);
section.AddField(x => x.History);
// when a model has a sub class which has a few simple properties, it's possible to group those properties
// into a single editor using the ModelEditor type. this editor uses the same rules as the convention based
// approach (see ConventionCollection), but groups the editors together of this property.
//
// to validate the properties of the nested object, the Nested property must be attributed with [ValidateObjectAsProperty]
// to instruct the data annotation validator to validate NestedDetails and use that validation as validation result
// for Nested.
section.AddField(x => x.Nested)
.SetType(EditorType.ModelEditor);
});
});
});
}