umap/umap/static/umap/vendors/formbuilder/Leaflet.FormBuilder.js
2024-11-12 10:17:12 +01:00

468 lines
11 KiB
JavaScript

L.FormBuilder = L.Evented.extend({
options: {
className: 'leaflet-form',
},
defaultOptions: {
// Eg.:
// name: {label: L._('name')},
// description: {label: L._('description'), handler: 'Textarea'},
// opacity: {label: L._('opacity'), helpText: L._('Opacity, from 0.1 to 1.0 (opaque).')},
},
initialize: function (obj, fields, options) {
L.setOptions(this, options)
this.obj = obj
this.form = L.DomUtil.create('form', this.options.className)
this.setFields(fields)
if (this.options.id) {
this.form.id = this.options.id
}
if (this.options.className) {
L.DomUtil.addClass(this.form, this.options.className)
}
},
setFields: function (fields) {
this.fields = fields || []
this.helpers = {}
},
build: function () {
this.form.innerHTML = ''
for (const idx in this.fields) {
this.buildField(this.fields[idx])
}
this.on('postsync', this.onPostSync)
return this.form
},
buildField: function (field) {
// field can be either a string like "option.name" or a full definition array,
// like ['options.tilelayer.tms', {handler: 'CheckBox', helpText: 'TMS format'}]
let type
let helper
let options
if (Array.isArray(field)) {
options = field[1] || {}
field = field[0]
} else {
options = this.defaultOptions[this.getName(field)] || {}
}
type = options.handler || 'Input'
if (typeof type === 'string' && L.FormBuilder[type]) {
helper = new L.FormBuilder[type](this, field, options)
} else {
helper = new type(this, field, options)
}
this.helpers[field] = helper
return helper
},
getter: function (field) {
const path = field.split('.')
let value = this.obj
for (const sub of path) {
try {
value = value[sub]
} catch {
console.log(field)
}
}
return value
},
setter: function (field, value) {
const path = field.split('.')
let obj = this.obj
let what
for (let i = 0, l = path.length; i < l; i++) {
what = path[i]
if (what === path[l - 1]) {
if (typeof value === 'undefined') {
delete obj[what]
} else {
obj[what] = value
}
} else {
obj = obj[what]
}
}
},
restoreField: function (field) {
const initial = this.helpers[field].initial
this.setter(field, initial)
},
getName: (field) => {
const fieldEls = field.split('.')
return fieldEls[fieldEls.length - 1]
},
fetchAll: function () {
for (const helper of Object.values(this.helpers)) {
helper.fetch()
}
},
syncAll: function () {
for (const helper of Object.values(this.helpers)) {
helper.sync()
}
},
onPostSync: function (e) {
if (e.helper.options.callback) {
e.helper.options.callback.call(e.helper.options.callbackContext || this.obj, e)
}
if (this.options.callback) {
this.options.callback.call(this.options.callbackContext || this.obj, e)
}
},
})
L.FormBuilder.Element = L.Evented.extend({
initialize: function (builder, field, options) {
this.builder = builder
this.obj = this.builder.obj
this.form = this.builder.form
this.field = field
L.setOptions(this, options)
this.fieldEls = this.field.split('.')
this.name = this.builder.getName(field)
this.parentNode = this.getParentNode()
this.buildLabel()
this.build()
this.buildHelpText()
this.fireAndForward('helper:init')
},
fireAndForward: function (type, e = {}) {
e.helper = this
this.fire(type, e)
this.builder.fire(type, e)
if (this.obj.fire) this.obj.fire(type, e)
},
getParentNode: function () {
return this.options.wrapper
? L.DomUtil.create(
this.options.wrapper,
this.options.wrapperClass || '',
this.form
)
: this.form
},
get: function () {
return this.builder.getter(this.field)
},
toHTML: function () {
return this.get()
},
toJS: function () {
return this.value()
},
sync: function () {
this.fireAndForward('presync')
this.set()
this.fireAndForward('postsync')
},
set: function () {
this.builder.setter(this.field, this.toJS())
},
getLabelParent: function () {
return this.parentNode
},
getHelpTextParent: function () {
return this.parentNode
},
buildLabel: function () {
if (this.options.label) {
this.label = L.DomUtil.create('label', '', this.getLabelParent())
this.label.innerHTML = this.options.label
}
},
buildHelpText: function () {
if (this.options.helpText) {
const container = L.DomUtil.create('small', 'help-text', this.getHelpTextParent())
container.innerHTML = this.options.helpText
}
},
fetch: () => {},
finish: function () {
this.fireAndForward('finish')
},
})
L.FormBuilder.Textarea = L.FormBuilder.Element.extend({
build: function () {
this.input = L.DomUtil.create(
'textarea',
this.options.className || '',
this.parentNode
)
if (this.options.placeholder) this.input.placeholder = this.options.placeholder
this.fetch()
L.DomEvent.on(this.input, 'input', this.sync, this)
L.DomEvent.on(this.input, 'keypress', this.onKeyPress, this)
},
fetch: function () {
const value = this.toHTML()
this.initial = value
if (value) {
this.input.value = value
}
},
value: function () {
return this.input.value
},
onKeyPress: function (e) {
if (e.key === 'Enter' && (e.shiftKey || e.ctrlKey)) {
L.DomEvent.stop(e)
this.finish()
}
},
})
L.FormBuilder.Input = L.FormBuilder.Element.extend({
build: function () {
this.input = L.DomUtil.create(
'input',
this.options.className || '',
this.parentNode
)
this.input.type = this.type()
this.input.name = this.name
this.input._helper = this
if (this.options.placeholder) {
this.input.placeholder = this.options.placeholder
}
if (this.options.min !== undefined) {
this.input.min = this.options.min
}
if (this.options.max !== undefined) {
this.input.max = this.options.max
}
if (this.options.step) {
this.input.step = this.options.step
}
this.fetch()
L.DomEvent.on(this.input, this.getSyncEvent(), this.sync, this)
L.DomEvent.on(this.input, 'keydown', this.onKeyDown, this)
},
fetch: function () {
const value = this.toHTML() !== undefined ? this.toHTML() : null
this.initial = value
this.input.value = value
},
getSyncEvent: () => 'input',
type: function () {
return this.options.type || 'text'
},
value: function () {
return this.input.value || undefined
},
onKeyDown: function (e) {
if (e.key === 'Enter') {
L.DomEvent.stop(e)
this.finish()
}
},
})
L.FormBuilder.BlurInput = L.FormBuilder.Input.extend({
getSyncEvent: () => 'blur',
build: function () {
L.FormBuilder.Input.prototype.build.call(this)
L.DomEvent.on(this.input, 'focus', this.fetch, this)
},
finish: function () {
this.sync()
L.FormBuilder.Input.prototype.finish.call(this)
},
sync: function () {
// Do not commit any change if user only clicked
// on the field than clicked outside
if (this.initial !== this.value()) {
L.FormBuilder.Input.prototype.sync.call(this)
}
},
})
L.FormBuilder.IntegerMixin = {
value: function () {
return !isNaN(this.input.value) && this.input.value !== ''
? parseInt(this.input.value, 10)
: undefined
},
type: () => 'number',
}
L.FormBuilder.IntInput = L.FormBuilder.Input.extend({
includes: [L.FormBuilder.IntegerMixin],
})
L.FormBuilder.BlurIntInput = L.FormBuilder.BlurInput.extend({
includes: [L.FormBuilder.IntegerMixin],
})
L.FormBuilder.FloatMixin = {
value: function () {
return !isNaN(this.input.value) && this.input.value !== ''
? parseFloat(this.input.value)
: undefined
},
type: () => 'number',
}
L.FormBuilder.FloatInput = L.FormBuilder.Input.extend({
options: {
step: 'any',
},
includes: [L.FormBuilder.FloatMixin],
})
L.FormBuilder.BlurFloatInput = L.FormBuilder.BlurInput.extend({
options: {
step: 'any',
},
includes: [L.FormBuilder.FloatMixin],
})
L.FormBuilder.CheckBox = L.FormBuilder.Element.extend({
build: function () {
const container = L.DomUtil.create('div', 'checkbox-wrapper', this.parentNode)
this.input = L.DomUtil.create('input', this.options.className || '', container)
this.input.type = 'checkbox'
this.input.name = this.name
this.input._helper = this
this.fetch()
L.DomEvent.on(this.input, 'change', this.sync, this)
},
fetch: function () {
this.initial = this.toHTML()
this.input.checked = this.initial === true
},
value: function () {
return this.input.checked
},
toHTML: function () {
return [1, true].indexOf(this.get()) !== -1
},
})
L.FormBuilder.Select = L.FormBuilder.Element.extend({
selectOptions: [['value', 'label']],
build: function () {
this.select = L.DomUtil.create('select', '', this.parentNode)
this.select.name = this.name
this.validValues = []
this.buildOptions()
L.DomEvent.on(this.select, 'change', this.sync, this)
},
getOptions: function () {
return this.options.selectOptions || this.selectOptions
},
fetch: function () {
this.buildOptions()
},
buildOptions: function () {
this.select.innerHTML = ''
for (const option of this.getOptions()) {
if (typeof option === 'string') this.buildOption(option, option)
else this.buildOption(option[0], option[1])
}
},
buildOption: function (value, label) {
this.validValues.push(value)
const option = L.DomUtil.create('option', '', this.select)
option.value = value
option.innerHTML = label
if (this.toHTML() === value) {
option.selected = 'selected'
}
},
value: function () {
if (this.select[this.select.selectedIndex])
return this.select[this.select.selectedIndex].value
},
getDefault: function () {
return this.getOptions()[0][0]
},
toJS: function () {
const value = this.value()
if (this.validValues.indexOf(value) !== -1) {
return value
}
return this.getDefault()
},
})
L.FormBuilder.IntSelect = L.FormBuilder.Select.extend({
value: function () {
return parseInt(L.FormBuilder.Select.prototype.value.apply(this), 10)
},
})
L.FormBuilder.NullableBoolean = L.FormBuilder.Select.extend({
selectOptions: [
[undefined, 'inherit'],
[true, 'yes'],
[false, 'no'],
],
toJS: function () {
let value = this.value()
switch (value) {
case 'true':
case true:
value = true
break
case 'false':
case false:
value = false
break
default:
value = undefined
}
return value
},
})