Formfields

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Formfields
Formfields are the hearth of Voyagers BREAD-system.
Each formfield represents a field in your database-table and one input (or output) in BREAD.
To tweak your formfields you can insert JSON options which are described in the following pages.
All formfields share a handful options:
Description
All types can include a description in order to help your future self or other users using your Voyager admin panel to understand exactly what a specific BREAD input field is for, this can be defined in the Optional Details JSON input field:
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{
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    "description": "A helpful description text here for your future self."
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}
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Display options
There are also a few options that you can include to change the way your BREAD is displayed. You can add a display key to your json object and change the width of the particular field and even specify a custom ID.
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{
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    "display": {
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        "width": "3",
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        "id": "custom_id"
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    }
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}
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The width is displayed on a 12-grid system. Setting it with a width of 3 will span 25% of the width.
The id will let you specify a custom id wrapper around your element. example:
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<div id="custom_id">
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    <!-- Your field element -->
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</div>
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Default value
Most formfields allow you to define a default value when adding an entry:
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{
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    "default" : "Default text"
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}
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Null Values
You might want to save an input field into the database as a null value instead of an empty string.
Simply enough, inside the BREAD you can include the following Optional Details for the field:
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{
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    "null": ""
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}
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This will turn an empty string into a null value. However you might want to be able to add both an empty string and a null value to the database for that field. However you have to choose a replacement for the null value, but it can be anything you wish. For example, if you want a field to change a string (ex. Nothing) into a null value you could include the following Optional Details for that field:
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{
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    "null": "Nothing"
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}
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Now entering Nothing into the field will end up as a null value in the database.
Generating Slugs
Using the bread builder you may wish to automatically generate slugs of a certain input. Lets say you have some posts, which have a title and a slug. If you want to automatically generate the slug from the title attribute, you may include the following Optional Details:
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{
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    "slugify": {
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        "origin": "title",
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        "forceUpdate": true
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    }
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}
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This will automatically generate the slug from the input of the title field. If a slug does already exists, it will only be updated if forceUpdate is set enabled, by default this is disabled.
Custom view
You can specify a custom view to be used for a formfield.
To do so, you have to specify the view attribute for your desired field:
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{
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    "view": "my_view"
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}
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This will then load my_view from resources/views instead of the formfield.
You get plenty of data passed to your view for you to use:
$view can be browse, read, edit, add or order
$content the content for this field
$dataType the DataType
$dataTypeContent the whole model-instance
$row the DataRow
$options the DataRow details
You can also use a custom field view for a specific action (browse, edit, etc) or for similar actions (browse and read).
The custom views are:
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{
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    "view_browse": "my_browse_view",
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    "view_read": "my_read_view",
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    "view_add": "my_add_view",
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    "view_edit": "my_edit_view",
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    "view_order": "my_order_view"
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}
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The same variables as above will be passed to your custom action view.
Developing a custom formfield?
If you are developing a custom formfield and want to customize any of the views, you can do so by merging view into $options in your formfields createContent() method.
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