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package pl.treksoft.kvision.panel
import com.github.snabbdom.VNode
import pl.treksoft.jquery.JQuery
import pl.treksoft.jquery.JQueryEventObject
import pl.treksoft.kvision.core.UNIT
import pl.treksoft.kvision.html.TAG
import pl.treksoft.kvision.html.Tag
import pl.treksoft.kvision.snabbdom.obj
enum class DIRECTION(val dir: String) {
HORIZONTAL("horizontal"),
VERTICAL("vertical")
}
open class SplitPanel(
private val direction: DIRECTION = DIRECTION.VERTICAL,
classes: Set<String> = setOf()
) : SimplePanel(classes + ("splitpanel-" + direction.dir)) {
@Suppress("LeakingThis")
internal val splitter = Splitter(this, direction)
@Suppress("UnsafeCastFromDynamic")
internal fun afterInsertSplitter() {
if (children.size == 2) {
val horizontal = direction == DIRECTION.HORIZONTAL
val px = UNIT.px
val self = this
children[0].getElementJQueryD().resizable(obj {
handleSelector = "#" + splitter.id
resizeWidth = !horizontal
resizeHeight = horizontal
onDrag = lok@ { e: JQueryEventObject, _: JQuery, newWidth: Int, newHeight: Int, _: dynamic ->
e.asDynamic()["newWidth"] = newWidth
e.asDynamic()["newHeight"] = newHeight
self.dispatchEvent("dragSplitPanel", obj { detail = e })
return@lok !e.isDefaultPrevented()
}
onDragEnd = { e: JQueryEventObject, el: JQuery, _: dynamic ->
if (horizontal) {
children[0].height = el.height().toInt() to px
} else {
children[0].width = el.width().toInt() to px
}
self.dispatchEvent("dragEndSplitPanel", obj { detail = e })
}
})
}
}
override fun childrenVNodes(): Array<VNode> {
return if (children.size == 2) {
arrayOf(children[0].renderVNode(), splitter.renderVNode(), children[1].renderVNode())
} else {
arrayOf()
}
}
}
class Splitter(private val splitPanel: SplitPanel, direction: DIRECTION) : Tag(
TAG.DIV,
classes = setOf("splitter-" + direction.dir)
) {
private val idc = "kv_splitter_" + counter
init {
counter++
this.id = idc
}
override fun afterInsert(node: VNode) {
splitPanel.afterInsertSplitter()
}
companion object {
var counter = 0
}
}
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