ORIENT/modules/backend/widgets/form/assets/js/october.form.js

321 lines
9.7 KiB
JavaScript

/*
* Form Widget
*
* Dependences:
* - Nil
*/
+function ($) { "use strict";
var Base = $.oc.foundation.base,
BaseProto = Base.prototype
var FormWidget = function (element, options) {
this.$el = $(element)
this.options = options || {}
this.fieldElementCache = null
/*
* Throttle dependency updating
*/
this.dependantUpdateInterval = 300
this.dependantUpdateTimers = {}
$.oc.foundation.controlUtils.markDisposable(element)
Base.call(this)
this.init()
}
FormWidget.prototype = Object.create(BaseProto)
FormWidget.prototype.constructor = FormWidget
FormWidget.prototype.init = function() {
this.$form = this.$el.closest('form')
this.bindDependants()
this.bindCheckboxlist()
this.toggleEmptyTabs()
this.bindLazyTabs()
this.bindCollapsibleSections()
this.$el.on('oc.triggerOn.afterUpdate', this.proxy(this.toggleEmptyTabs))
this.$el.one('dispose-control', this.proxy(this.dispose))
}
FormWidget.prototype.dispose = function() {
this.$el.off('dispose-control', this.proxy(this.dispose))
this.$el.removeData('oc.formwidget')
this.$el = null
this.$form = null
this.options = null
this.fieldElementCache = null
BaseProto.dispose.call(this)
}
/*
* Logic for checkboxlist
*/
FormWidget.prototype.bindCheckboxlist = function() {
var checkAllBoxes = function($field, flag) {
$('input[type=checkbox]', $field)
.prop('checked', flag)
.first()
.trigger('change')
}
this.$el.on('click', '[data-field-checkboxlist-all]', function() {
checkAllBoxes($(this).closest('.field-checkboxlist'), true)
})
this.$el.on('click', '[data-field-checkboxlist-none]', function() {
checkAllBoxes($(this).closest('.field-checkboxlist'), false)
})
}
/*
* Get all fields elements that belong to this form, nested form
* fields are removed from this collection.
*/
FormWidget.prototype.getFieldElements = function() {
if (this.fieldElementCache !== null) {
return this.fieldElementCache
}
var form = this.$el,
nestedFields = form.find('[data-control="formwidget"] [data-field-name]')
return this.fieldElementCache = form.find('[data-field-name]').not(nestedFields)
}
/*
* Bind dependant fields
*/
FormWidget.prototype.bindDependants = function() {
if (!$('[data-field-depends]', this.$el).length) {
return;
}
var self = this,
fieldMap = {},
fieldElements = this.getFieldElements()
/*
* Map master and slave fields
*/
fieldElements.filter('[data-field-depends]').each(function() {
var name = $(this).data('field-name'),
depends = $(this).data('field-depends')
$.each(depends, function(index, depend){
if (!fieldMap[depend]) {
fieldMap[depend] = { fields: [] }
}
fieldMap[depend].fields.push(name)
})
})
/*
* When a master is updated, refresh its slaves
*/
$.each(fieldMap, function(fieldName, toRefresh) {
$(document).on('change.oc.formwidget',
'[data-field-name="' + fieldName + '"]',
$.proxy(self.onRefreshDependants, self, fieldName, toRefresh)
);
})
}
/*
* Refresh a dependancy field
* Uses a throttle to prevent duplicate calls and click spamming
*/
FormWidget.prototype.onRefreshDependants = function(fieldName, toRefresh) {
var self = this,
form = this.$el,
formEl = this.$form,
fieldElements = this.getFieldElements()
if (this.dependantUpdateTimers[fieldName] !== undefined) {
window.clearTimeout(this.dependantUpdateTimers[fieldName])
}
this.dependantUpdateTimers[fieldName] = window.setTimeout(function() {
var refreshData = $.extend({},
toRefresh,
paramToObj('data-refresh-data', self.options.refreshData)
)
formEl.request(self.options.refreshHandler, {
data: refreshData
}).success(function() {
self.toggleEmptyTabs()
})
}, this.dependantUpdateInterval)
$.each(toRefresh.fields, function(index, field) {
fieldElements.filter('[data-field-name="'+field+'"]:visible')
.addClass('loading-indicator-container size-form-field')
.loadIndicator()
})
}
/*
* Render tab form fields once a lazy tab is selected.
*/
FormWidget.prototype.bindLazyTabs = function() {
var tabControl = $('[data-control=tab]', this.$el),
tabContainer = $('.nav-tabs', tabControl)
tabContainer.on('click', '.tab-lazy [data-toggle="tab"]', function() {
var $el = $(this),
handlerName = $el.data('tab-lazy-handler')
$.request(handlerName, {
data: {
target: $el.data('target'),
name: $el.data('tab-name'),
section: $el.data('tab-section'),
},
success: function(data) {
this.success(data)
$el.parent().removeClass('tab-lazy')
// Trigger all input presets to populate new fields.
setTimeout(function() {
$('[data-input-preset]').each(function() {
var preset = $(this).data('oc.inputPreset')
if (preset && preset.$src) {
preset.$src.trigger('input')
}
})
}, 0)
}
})
})
// If initial active tab is lazy loaded, load it immediately
if ($('> li.active.tab-lazy', tabContainer).length) {
$('> li.active.tab-lazy > [data-toggle="tab"]', tabContainer).trigger('click')
}
}
/*
* Hides tabs that have no content, it is possible this can be
* called multiple times in a single cycle due to input.trigger.
*/
FormWidget.prototype.toggleEmptyTabs = function() {
var self = this,
form = this.$el
if (this.toggleEmptyTabsTimer !== undefined) {
window.clearTimeout(this.toggleEmptyTabsTimer)
}
this.toggleEmptyTabsTimer = window.setTimeout(function() {
var tabControl = $('[data-control=tab]', self.$el),
tabContainer = $('.nav-tabs', tabControl)
if (!tabControl.length || !form || !form.length || !$.contains(form.get(0), tabControl.get(0)))
return
/*
* Check each tab pane for form field groups
*/
$('.tab-pane:not(.lazy)', tabControl).each(function() {
$('[data-target="#' + $(this).attr('id') + '"]', tabControl)
.closest('li')
.toggle(!!$('> .form-group:not(:empty):not(.hide)', $(this)).length)
})
/*
* If a hidden tab was selected, select the first visible tab
*/
if (!$('> li.active:visible', tabContainer).length) {
$('> li:visible:first', tabContainer)
.find('> a:first')
.tab('show')
}
}, 1)
}
/*
* Makes sections collapsible by targeting every field after
* up until the next section
*/
FormWidget.prototype.bindCollapsibleSections = function() {
$('.section-field[data-field-collapsible]', this.$form)
.addClass('collapsed')
.find('.field-section:first')
.addClass('is-collapsible')
.end()
.on('click', function() {
$(this)
.toggleClass('collapsed')
.nextUntil('.section-field').toggle()
})
.nextUntil('.section-field').hide()
}
FormWidget.DEFAULTS = {
refreshHandler: null,
refreshData: {}
}
// FORM WIDGET PLUGIN DEFINITION
// ============================
var old = $.fn.formWidget
$.fn.formWidget = function (option) {
var args = arguments,
result
this.each(function () {
var $this = $(this)
var data = $this.data('oc.formwidget')
var options = $.extend({}, FormWidget.DEFAULTS, $this.data(), typeof option == 'object' && option)
if (!data) $this.data('oc.formwidget', (data = new FormWidget(this, options)))
if (typeof option == 'string') result = data[option].call($this)
if (typeof result != 'undefined') return false
})
return result ? result : this
}
$.fn.formWidget.Constructor = FormWidget
// FORM WIDGET NO CONFLICT
// =================
$.fn.formWidget.noConflict = function () {
$.fn.formWidget = old
return this
}
// FORM WIDGET DATA-API
// ==============
function paramToObj(name, value) {
if (value === undefined) value = ''
if (typeof value == 'object') return value
try {
return ocJSON("{" + value + "}")
}
catch (e) {
throw new Error('Error parsing the '+name+' attribute value. '+e)
}
}
$(document).render(function() {
$('[data-control="formwidget"]').formWidget();
})
}(window.jQuery);