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package pl.treksoft.kvision.dropdown
import com.github.snabbdom.VNode
import org.w3c.dom.CustomEvent
import pl.treksoft.kvision.core.Container
import pl.treksoft.kvision.core.ResString
import pl.treksoft.kvision.core.Widget
import pl.treksoft.kvision.html.BUTTONSIZE
import pl.treksoft.kvision.html.BUTTONSTYLE
import pl.treksoft.kvision.html.Button
import pl.treksoft.kvision.html.LIST
import pl.treksoft.kvision.html.Link
import pl.treksoft.kvision.html.ListTag
import pl.treksoft.kvision.html.TAG
import pl.treksoft.kvision.html.Tag
import pl.treksoft.kvision.snabbdom.StringBoolPair
import pl.treksoft.kvision.snabbdom.StringPair
import pl.treksoft.kvision.snabbdom.obj
enum class DD(val type: String) {
HEADER("DD#HEADER"),
DISABLED("DD#DISABLED"),
SEPARATOR("DD#SEPARATOR")
}
open class DropDown(text: String, elements: List<StringPair>? = null, icon: String? = null,
style: BUTTONSTYLE = BUTTONSTYLE.DEFAULT, size: BUTTONSIZE? = null,
block: Boolean = false, disabled: Boolean = false, image: ResString? = null,
dropup: Boolean = false, classes: Set<String> = setOf()) : Container(classes) {
var text
get() = button.text
set(value) {
button.text = value
}
var elements = elements
set(value) {
field = elements
setChildrenFromElements()
}
var icon
get() = button.icon
set(value) {
button.icon = value
}
var style
get() = button.style
set(value) {
button.style = value
}
var size
get() = button.size
set(value) {
button.size = value
}
var block
get() = button.block
set(value) {
button.block = value
}
var disabled
get() = button.disabled
set(value) {
button.disabled = value
}
var image
get() = button.image
set(value) {
button.image = value
}
var dropup = dropup
set(value) {
field = value
refresh()
}
private val idc = "kv_dropdown_" + counter
internal val button: DropDownButton = DropDownButton(idc, text, icon, style, size, block,
disabled, image, setOf("dropdown"))
internal val list: DropDownListTag = DropDownListTag(idc, setOf("dropdown-menu"))
init {
button.setEventListener {
click = {
if (!button.disabled) toggle()
}
}
list.hide()
setChildrenFromElements()
this.addInternal(button)
this.addInternal(list)
counter++
}
companion object {
var counter = 0
}
override fun add(child: Widget): Container {
list.add(child)
return this
}
override fun addAll(children: List<Widget>): Container {
list.addAll(children)
return this
}
private fun setChildrenFromElements() {
val elems = elements
if (elems != null) {
val c = elems.map {
when (it.second) {
DD.HEADER.type -> Tag(TAG.LI, it.first, classes = setOf("dropdown-header"))
DD.SEPARATOR.type -> {
val tag = Tag(TAG.LI, it.first, classes = setOf("divider"))
tag.role = "separator"
tag
}
DD.DISABLED.type -> {
val tag = Tag(TAG.LI, classes = setOf("disabled"))
tag.add(Link(it.first, "#"))
tag
}
else -> Link(it.first, it.second)
}
}
list.addAll(c)
} else {
list.removeAll()
}
}
@Suppress("UnsafeCastFromDynamic")
override fun afterInsert(node: VNode) {
this.getElementJQuery()?.on("show.bs.dropdown", { e, _ ->
val event = CustomEvent("showBsDropdown", obj({ detail = e }))
this.getElement()?.dispatchEvent(event)
})
this.getElementJQuery()?.on("shown.bs.dropdown", { e, _ ->
val event = CustomEvent("shownBsDropdown", obj({ detail = e }))
this.getElement()?.dispatchEvent(event)
})
this.getElementJQuery()?.on("hide.bs.dropdown", { e, _ ->
val event = CustomEvent("hideBsDropdown", obj({ detail = e }))
this.getElement()?.dispatchEvent(event)
})
this.getElementJQuery()?.on("hidden.bs.dropdown", { e, _ ->
list.visible = false
val event = CustomEvent("hiddenBsDropdown", obj({ detail = e }))
this.getElement()?.dispatchEvent(event)
})
}
override fun getSnClass(): List<StringBoolPair> {
val cl = super.getSnClass().toMutableList()
if (dropup)
cl.add("dropup" to true)
else
cl.add("dropdown" to true)
return cl
}
open fun toggle() {
if (list.visible)
list.hideInternal()
else
list.show()
}
}
open class DropDownButton(id: String, text: String, icon: String? = null, style: BUTTONSTYLE = BUTTONSTYLE.DEFAULT,
size: BUTTONSIZE? = null, block: Boolean = false, disabled: Boolean = false,
image: ResString? = null, classes: Set<String> = setOf()) :
Button(text, icon, style, size, block, disabled, image, classes) {
init {
this.id = id
}
override fun getSnAttrs(): List<StringPair> {
return super.getSnAttrs() + listOf("data-toggle" to "dropdown", "aria-haspopup" to "true",
"aria-expanded" to "false")
}
}
open class DropDownListTag(private val ariaId: String, classes: Set<String> = setOf()) : ListTag(LIST.UL, null,
false, classes) {
override fun getSnAttrs(): List<StringPair> {
return super.getSnAttrs() + listOf("aria-labelledby" to ariaId)
}
override fun hide(): Widget {
if (visible) hideInternal()
return super.hide()
}
override fun afterInsert(node: VNode) {
if (visible) showInternal()
}
@Suppress("UnsafeCastFromDynamic")
internal fun showInternal() {
if (getElementJQueryD()?.`is`(":hidden")) {
getElementJQueryD()?.dropdown("toggle")
}
}
@Suppress("UnsafeCastFromDynamic")
internal fun hideInternal() {
if (!getElementJQueryD()?.`is`(":hidden")) {
getElementJQueryD()?.dropdown("toggle")
}
}
}
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