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package pl.treksoft.kvision.panel
import pl.treksoft.kvision.core.Component
import pl.treksoft.kvision.core.StyledComponent
import pl.treksoft.kvision.core.WidgetWrapper
import pl.treksoft.kvision.core.StringPair
import pl.treksoft.kvision.utils.px
enum class FLEXDIR(val dir: String) {
ROW("row"),
ROWREV("row-reverse"),
COLUMN("column"),
COLUMNREV("column-reverse")
}
enum class FLEXWRAP(val wrap: String) {
NOWRAP("nowrap"),
WRAP("wrap"),
WRAPREV("wrap-reverse")
}
enum class FLEXJUSTIFY(val justify: String) {
FLEXSTART("flex-start"),
FLEXEND("flex-end"),
CENTER("center"),
SPACEBETWEEN("space-between"),
SPACEAROUND("space-around"),
SPACEEVENLY("space-evenly")
}
enum class FLEXALIGNITEMS(val alignItems: String) {
FLEXSTART("flex-start"),
FLEXEND("flex-end"),
CENTER("center"),
BASELINE("baseline"),
STRETCH("stretch")
}
enum class FLEXALIGNCONTENT(val alignContent: String) {
FLEXSTART("flex-start"),
FLEXEND("flex-end"),
CENTER("center"),
SPACEBETWEEN("space-between"),
SPACEAROUND("space-around"),
STRETCH("stretch")
}
open class FlexPanel(
direction: FLEXDIR? = null, wrap: FLEXWRAP? = null, justify: FLEXJUSTIFY? = null,
alignItems: FLEXALIGNITEMS? = null, alignContent: FLEXALIGNCONTENT? = null,
spacing: Int? = null, classes: Set<String> = setOf()
) : SimplePanel(classes) {
var direction = direction
set(value) {
field = value
refreshSpacing()
refresh()
}
var wrap = wrap
set(value) {
field = value
refresh()
}
var justify = justify
set(value) {
field = value
refresh()
}
var alignItems = alignItems
set(value) {
field = value
refresh()
}
var alignContent = alignContent
set(value) {
field = value
refresh()
}
var spacing = spacing
set(value) {
field = value
refreshSpacing()
refresh()
}
@Suppress("LongParameterList")
fun add(
child: Component, order: Int? = null, grow: Int? = null, shrink: Int? = null,
basis: Int? = null, alignSelf: FLEXALIGNITEMS? = null, classes: Set<String> = setOf()
): FlexPanel {
val wrapper = FlexWrapper(child, order, grow, shrink, basis, alignSelf, classes)
addInternal(applySpacing(wrapper))
return this
}
private fun refreshSpacing() {
getChildren().filterIsInstance<StyledComponent>().map { applySpacing(it) }
}
private fun applySpacing(wrapper: StyledComponent): StyledComponent {
wrapper.marginTop = null
wrapper.marginRight = null
wrapper.marginBottom = null
wrapper.marginLeft = null
spacing?.let {
when (direction) {
FLEXDIR.COLUMN -> wrapper.marginBottom = it.px()
FLEXDIR.ROWREV -> wrapper.marginLeft = it.px()
FLEXDIR.COLUMNREV -> wrapper.marginTop = it.px()
else -> wrapper.marginRight = it.px()
}
}
return wrapper
}
override fun add(child: Component): FlexPanel {
return add(child, null)
}
override fun addAll(children: List<Component>): FlexPanel {
children.forEach { add(it, null) }
return this
}
override fun remove(child: Component): FlexPanel {
children.find { (it as FlexWrapper).delegate == child }?.let {
super.remove(it)
it.dispose()
}
return this
}
override fun removeAll(): FlexPanel {
children.map {
it.clearParent()
it.dispose()
}
children.clear()
refresh()
return this
}
override fun getSnStyle(): List<StringPair> {
val snstyle = super.getSnStyle().toMutableList()
snstyle.add("display" to "flex")
direction?.let {
snstyle.add("flex-direction" to it.dir)
}
wrap?.let {
snstyle.add("flex-wrap" to it.wrap)
}
justify?.let {
snstyle.add("justify-content" to it.justify)
}
alignItems?.let {
snstyle.add("align-items" to it.alignItems)
}
alignContent?.let {
snstyle.add("align-content" to it.alignContent)
}
return snstyle
}
}
class FlexWrapper(
delegate: Component, private val order: Int? = null, private val grow: Int? = null,
private val shrink: Int? = null, private val basis: Int? = null,
private val alignSelf: FLEXALIGNITEMS? = null,
classes: Set<String> = setOf()
) : WidgetWrapper(delegate, classes) {
override fun getSnStyle(): List<StringPair> {
val snstyle = super.getSnStyle().toMutableList()
order?.let {
snstyle.add("order" to "$it")
}
grow?.let {
snstyle.add("flex-grow" to "$it")
}
shrink?.let {
snstyle.add("flex-shrink" to "$it")
}
basis?.let {
snstyle.add("flex-basis" to "$it%")
}
alignSelf?.let {
snstyle.add("align-self" to it.alignItems)
}
return snstyle
}
}
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