AppSuite:BackboneMiniViews
Abstract
Mini views are small backbone views which helps you to create single form elements like input fields, checkbox and so on. They should be used to build form pages in a DRY way. To use the mini-views simply require io.ox/backbone/mini-views in your view pane.
Benefits of using mini-views
- automatic cleanup (model & events) if the form element is removed from the DOM
- the wiring between form element and model data is handled for each mini-view via attribute name or id of the element
- DRY
Abstract view
The abstract view is used to manage the dispose feature for all mini-views.
Common mini-views
All mini-views provides functions for handling the common interactions between model data and form element like initial setup, update and rendering. To provide some basic a11y the tabindex is set by default to 1 and can be changed via this.options.tabindex to every needed value.
The 'id' option should be used to connect the view with the model data and render an id attribute. This can be used to connect with a label which is not surrounding the form field.
List of form-elements included
InputView
It draws a simple input form field.
Usage
new InputView({ id: [attribute], model: [model] }).render().$el
It renders the following markup:
<input type="text" id="text" class="form-control" name="text" tabindex="1">
PasswordView
It draws a simple password form field.
Usage
new PasswordView({ name: [attribute], model: [model] }).render().$el
It renders the following markup:
<input type="password" id="password" class="form-control" autocomplete="off" autocorrect="off" name="password" tabindex="1">
If no password value is provided via model the field value is changed to „'********“. This especially is needed since already provided passwords are not delivered via the api request. The attributes „autocomplete" and „autocorrect“ are set to „off“ by default.
TextView
It draws a simple textarea form field.
Usage
new TextView({ name: [attribute], model: [model], rows: [rowcount] }).render().$el
It renders the following markup:
<textarea id="textarea" class="form-control" name="textarea" tabindex="1" rows="4"></textarea>
Use this.rows to set the row attribute of the area to the needed value.
CheckboxView
It draws a simple checkbox form field.
Usage
new CheckboxView({ name: [attribute], model: [model] }).render().$el
It renders the following markup:
<input type="checkbox" id="checkbox" name="checkbox" tabindex="1">
RadioView
It draws a simple radio form field.
Usage
new RadioView({ name: [attribute], model: [model], list: [radioOptions] }).render().$el
Use this.options.list to set the list of available options and labels.
var radioOptions = var options = [
{ label: '1', value: '1'},
{ label: '2', value: '2'},
{ label: '3', value: '3'}
];
It renders the following markup:
<div id="radio" class="controls">
<div class="radio">
<label><input type="radio" name="radio" value="1" tabindex="1">1</label>
</div>
<div class="radio">
<label><input type="radio" name="radio" value="2" tabindex="1">2</label>
</div>
<div class="radio">
<label><input type="radio" name="radio" value="3" tabindex="1">3</label>
</div>
</div>
SelectView
It draws a simple select form field.
Usage
new SelectView({ name: [attribute], model: [model], list: [selectOptions] }).render().$el
Use this.options.list to set the list of available options and labels.
var selectOptions = var options = [
{ label: '1', value: '1'},
{ label: '2', value: '2'},
{ label: '3', value: '3'}
];
It renders the following markup:
<select id="select" class="input-xlarge form-control" name="select" tabindex="1">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
</select>
ErrorView
It draws a span with the class "help-block" to display error messages in case of a validation fault.
<span class="help-block" aria-live="assertive" style="display: none;"></span>
Usage
It always should be placed beneath the corresponding form field.
new ErrorView({ selector: [css selector] }).render().$el;
The 'selector' option is used to connect the ErrorView with an custom surrounding container for the ErrorView and the related form field. It returns the closest matching container. This container is used by the ErrorView to listen to the 'valid/invalid' events triggered by the validation.
The default selector returns the closest matching '.form-group' or '[class*="col-"]' container.
FormView
It draws a simple form element. As a miniview, it automatically cleans up the connected model & events.
<form></form>
new FormView({ model: [model] }).render().$el;
DateView
It draws a set of 'select' form fields to display and edit a date. Day, month and year will each be represented by a single <select> item.
new DateView({ name: [attribute], model: [model] }).render().$el
It renders the following markup:
<div id="date" class="native-date-picker row">
<div class="col-xs-3 col-sm-3 col-md-3 col-lg-3">
<select tabindex="1" name="date" title="Tag" class="form-control date">
<option value=""></option>
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
*
*
*
<option value="29">29</option>
<option value="30">30</option>
<option value="31" disabled="">31</option>
</select>
</div>
<div class="col-xs-5 col-sm-5 col-md-5 col-lg-5">
<select tabindex="1" name="month" title="Monat" class="form-control month">
<option value=""></option>
<option value="0">Januar</option>
<option value="1">Februar</option>
*
*
*
<option value="10">November</option>
<option value="11">Dezember</option>
</select>
</div>
<div class="col-xs-4 col-sm-4 col-md-4 col-lg-4">
<select tabindex="1" name="year" title="Jahr" class="form-control year">
<option value="0001"></option>
<option value="2014">2014</option>
<option value="2013">2013</option>
<option value="2012">2012</option>
*
*
*
<option value="1866">1866</option>
<option value="1865">1865</option>
<option value="1864">1864</option>
</select>
</div>
</div>
Dropdown
The Dropdown mini view provides an easy solution to create a drop down. Multiple settings and / or links may be provided to the user in a single drop-down view. To use the dropdown mini view simply require io.ox/backbone/mini-views/dropdown in your view pane.
Use this.option to fill the drop down with a single selectable option.
arguments: [attribute], [value], [text used for labeling]
Use this.link to provide a simple link with a callback.
arguments: [value for attribute "data-name"], [text for link], [callback]
Use this.header to build logical groups in the drop down while setting headers between the options.
arguments: [text for header]
Use this.divider to provide a visual devider between groups.
var dropdown = new Dropdown({ model: model, label: gt('Dropdown'), tagName: 'li' })
.header(gt('Options'))
.option('options', 'firstOption', gt('first option'))
.option('options', 'secondOption', gt('second option'))
.divider()
.header(gt('Choices'))
.option(‚'choice', 'firstChoice', gt('first choice'))
.option('choice', 'secondChoice', gt('second choice'))
.divider()
.link('link', gt('link'), function () { console.log('clicked'); }
);
dropdown.render().$el;
It renders the following markup:
<li class="dropdown">
<a href="#" tabindex="1" role="menuitem" aria-haspopup="true" aria-label="" data-toggle="dropdown" aria-expanded="false">
<span class="dropdown-label">Dropdown</span>
</a>
<ul class="dropdown-menu" role="menu">
<li class="dropdown-header" role="presentation" aria-hidden="true">Options</li>
<li role="presentation">
<a href="#" role="menuitemcheckbox" aria-checked="true" data-name="dropdownOptions" data-value="firstOption" data-toggle="false">
<i class="fa fa-fw fa-check" aria-hidden="true"></i>
<span>first option</span>
</a>
</li>
<li role="presentation">
<a href="#" role="menuitemcheckbox" aria-checked="false" data-name="dropdownOptions" data-value="secondOption" data-toggle="false">
<i class="fa fa-fw fa-none" aria-hidden="true"></i>
<span>second option</span>
</a>
</li>
<li class="divider" role="presentation"></li>
<li class="dropdown-header" role="presentation" aria-hidden="true">Choices</li>
<li role="presentation">
<a href="#" role="menuitemcheckbox" aria-checked="true" data-name="dropdownChoice" data-value="firstChoice" data-toggle="false">
<i class="fa fa-fw fa-check" aria-hidden="true"></i>
<span>first choice</span>
</a>
</li>
<li role="presentation">
<a href="#" role="menuitemcheckbox" aria-checked="false" data-name="dropdownChoice" data-value="secondChoice" data-toggle="false">
<i class="fa fa-fw fa-none" aria-hidden="true"></i>
<span>second choice</span>
</a>
</li>
<li class="divider" role="presentation"></li>
<li role="presentation">
<a href="#" role="menuitem" tabindex="-1">link</a>
</li>
</ul>
</li>
Playground
Simply copy/paste the code beneath in to your browser console while being logged in. This creates an playground for the mentioned mini views.
require(['io.ox/backbone/mini-views', 'io.ox/backbone/mini-views/dropdown'], function(mini, Dropdown) {
var model = window.model = new Backbone.Model({
'text': 'text',
'radio': '1',
'password': 'password',
'textarea': 'textarea',
'checkbox': true,
'select': '1',
'date': 1411023212550,
'dropdownOptions': 'firstOption',
'dropdownChoice': 'firstChoice'
});
var form = new mini.FormView({ model: model });
// use listenTo to benefit from automatic clean-up
form.listenTo(model, 'change', function () {
console.log(this.model.toJSON());
});
var options = [
{ label: '1', value: '1'},
{ label: '2', value: '2'},
{ label: '3', value: '3'}
];
var dropdown = new Dropdown({ model: model, label: 'Dropdown', tagName: 'li' })
.header('Options')
.option('dropdownOptions', 'firstOption', 'first option')
.option('dropdownOptions', 'secondOption', 'second option')
.divider()
.header('Choices')
.option('dropdownChoice', 'firstChoice', 'first choice')
.option('dropdownChoice', 'secondChoice', 'second choice')
.divider()
.link('link', 'link', function () { console.log('clicked'); }
);
form.$el.append(
$('<fieldset>').append(
$('<div class="row form-group">').append(
$('<label for="text" class="control-label col-sm-4">').text('Text'),
$('<div class="col-sm-8">').append(
new mini.InputView({ id: 'text', model: model }).render().$el
)
),
$('<div class="row form-group">').append(
$('<div class="col-sm-8 col-sm-offset-4">').append(
dropdown.render().$el,
)
),
$('<div class="row form-group">').append(
$('<label class="control-label col-sm-4">').text('Radio'),
$('<div class="col-sm-8">').append(
new mini.RadioView({
list: options,
id: 'radio',
model: model
}).render().$el
)
),
$('<div class="row form-group">').append(
$('<label for="password" class="control-label col-sm-4">').text('Password'),
$('<div class="col-sm-8">').append(
new mini.PasswordView({ id: 'password', model: model }).render().$el,
new mini.ErrorView({ selector: '.row' }).render().$el
)
),
$('<div class="row form-group">').append(
$('<label for="textarea" class="control-label col-sm-4">').text('Textarea'),
$('<div class="col-sm-8">').append(
new mini.TextView({ id: 'textarea', rows: '4', model: model }).render().$el
)
),
$('<div class="row form-group">').append(
$('<div class="col-sm-8 col-sm-offset-4">').append(
$('<label class="checkbox">').append(
new mini.CheckboxView({ id: 'checkbox', model: model }).render().$el,
document.createTextNode('Checkbox')
)
)
),
$('<div class="row form-group">').append(
$('<label for="select" class="control-label col-sm-4">').text('Select'),
$('<div class="col-sm-8">').append(
new mini.SelectView({
list: options,
id: 'select',
model: model
}).render().$el
)
),
$('<div class="row form-group">').append(
$('<label class="control-label col-sm-4">').text('Date'),
$('<div class="col-sm-8">').append(
new mini.DateView({ id: 'date', model: model }).render().$el,
new mini.ErrorView({ selector: '.row' }).render().$el
)
)
)
);
// add button to close playground
form.$el.prepend(
button = $('<button type="button" class="close">').append(
$('<span aria-hidden="true">×</span><span class="sr-only">Close</span>')
)
.css({
'position': 'absolute',
'top': '4px',
'right': '8px',
'margin': '3px'
})
.on('click', function () {
form.remove();
})
);
form.$el.css({
position: 'absolute',
top: 0,
right: 0,
bottom: 0,
width: '50%',
padding: '40px',
backgroundColor: '#fff',
boxShadow: '0 0 30px #888',
zIndex: 11,
overflowX: 'hidden',
overflowY: 'auto'
});
$('body').append(form.render().$el);
});
You can copy/paste the following examples in your browser console to make changes to the data in the playground.
- to modify values via console
window.model.set('password', 'new password');
// window.model.set([attribute], [new value]);
- to trigger an validation fault
window.model.trigger('invalid:password', 'something is wrong here');
// window.model.trigger('invalid:' + [attribute], [Error Message]);
- to remove an validation fault
window.model.trigger('valid:password');
// window.model.trigger('valid:' + [attribute]);