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/*
* Copyright (c) 2017-present Robert Jaros
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package pl.treksoft.kvision.form.check
import org.w3c.dom.events.MouseEvent
import pl.treksoft.kvision.core.Container
import pl.treksoft.kvision.core.StringBoolPair
import pl.treksoft.kvision.core.Widget
import pl.treksoft.kvision.form.BoolFormControl
import pl.treksoft.kvision.form.FieldLabel
import pl.treksoft.kvision.form.FormHorizontalRatio
import pl.treksoft.kvision.form.InvalidFeedback
import pl.treksoft.kvision.panel.SimplePanel
import pl.treksoft.kvision.state.ObservableState
import pl.treksoft.kvision.utils.SnOn
/**
* Checkbox style options.
*/
enum class CheckBoxStyle(internal val className: String) {
PRIMARY("abc-checkbox-primary"),
SUCCESS("abc-checkbox-success"),
INFO("abc-checkbox-info"),
WARNING("abc-checkbox-warning"),
DANGER("abc-checkbox-danger"),
}
/**
* The form field component rendered as HTML *input type="checkbox"*.
*
* @constructor
* @param value selection state
* @param name the name of the input element
* @param label label text bound to the input element
* @param rich determines if [label] can contain HTML code
*/
open class CheckBox(
value: Boolean = false, name: String? = null, label: String? = null,
rich: Boolean = false
) : SimplePanel(setOf("form-check", "abc-checkbox")), BoolFormControl, ObservableState<Boolean> {
/**
* The selection state of the checkbox.
*/
override var value
get() = input.value
set(value) {
input.value = value
}
/**
* The value attribute of the generated HTML input element.
*
* This value is placed directly in generated HTML code, while the [value] property is dynamically
* bound to the input selection state.
*/
var startValue
get() = input.startValue
set(value) {
input.startValue = value
}
/**
* The label text bound to the input element.
*/
var label
get() = flabel.content
set(value) {
flabel.content = value
}
/**
* Determines if [label] can contain HTML code.
*/
var rich
get() = flabel.rich
set(value) {
flabel.rich = value
}
/**
* The style (one of Bootstrap standard colors) of the input.
*/
var style: CheckBoxStyle? by refreshOnUpdate()
/**
* Determines if the checkbox is rendered as a circle.
*/
var circled by refreshOnUpdate(false)
/**
* Determines if the checkbox is rendered inline.
*/
var inline by refreshOnUpdate(false)
private val idc = "kv_form_checkbox_$counter"
final override val input: CheckBoxInput = CheckBoxInput(value, classes = setOf("form-check-input")).apply {
this.id = idc
this.name = name
}
final override val flabel: FieldLabel = FieldLabel(idc, label, rich, classes = setOf("form-check-label"))
final override val invalidFeedback: InvalidFeedback = InvalidFeedback().apply { visible = false }
init {
@Suppress("LeakingThis")
input.eventTarget = this
this.addInternal(input)
this.addInternal(flabel)
this.addInternal(invalidFeedback)
counter++
}
@Suppress("UNCHECKED_CAST")
override fun <T : Widget> setEventListener(block: SnOn<T>.() -> Unit): Int {
return input.setEventListener(block)
}
override fun removeEventListener(id: Int): Widget {
input.removeEventListener(id)
return this
}
override fun removeEventListeners(): Widget {
input.removeEventListeners()
return this
}
override fun getSnClass(): List<StringBoolPair> {
val cl = super.getSnClass().toMutableList()
style?.let {
cl.add(it.className to true)
}
if (circled) {
cl.add("abc-checkbox-circle" to true)
}
if (inline) {
cl.add("form-check-inline" to true)
}
if (validatorError != null) {
cl.add("text-danger" to true)
}
return cl
}
/**
* A convenient helper for easy setting onClick event handler.
*/
open fun onClick(handler: CheckBox.(MouseEvent) -> Unit): CheckBox {
this.setEventListener<CheckBox> {
click = { e ->
self.handler(e)
}
}
return this
}
override fun focus() {
input.focus()
}
override fun blur() {
input.blur()
}
override fun styleForHorizontalFormPanel(horizontalRatio: FormHorizontalRatio) {
addCssClass("form-group")
addSurroundingCssClass("row")
addCssClass("offset-sm-${horizontalRatio.labels}")
addCssClass("col-sm-${horizontalRatio.fields}")
}
override fun styleForInlineFormPanel() {
addCssClass("form-group")
}
override fun styleForVerticalFormPanel() {
addCssClass("form-group")
}
override fun getState(): Boolean = input.getState()
override fun subscribe(observer: (Boolean) -> Unit): () -> Unit {
return input.subscribe(observer)
}
companion object {
internal var counter = 0
}
}
/**
* DSL builder extension function.
*
* It takes the same parameters as the constructor of the built component.
*/
fun Container.checkBox(
value: Boolean = false, name: String? = null, label: String? = null,
rich: Boolean = false, init: (CheckBox.() -> Unit)? = null
): CheckBox {
val checkBox = CheckBox(value, name, label, rich).apply { init?.invoke(this) }
this.add(checkBox)
return checkBox
}
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