36 lines
1.3 KiB
Kotlin
36 lines
1.3 KiB
Kotlin
package io.gitlab.jfronny.inceptum.gtk.control
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import io.gitlab.jfronny.inceptum.gtk.util.I18n
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import org.gnome.gtk.DropDown
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import org.gnome.gtk.PropertyExpression
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import org.gnome.gtk.StringList
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import org.gnome.gtk.StringObject
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import org.jetbrains.annotations.PropertyKey
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import java.util.function.IntConsumer
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class KDropDown<T>(options: Array<T>, private val stringify: (T) -> String, selected: Int): DropDown(options.toModel(stringify), null) {
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private val onChange = ArrayList<IntConsumer>()
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init {
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this.selected = selected
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onNotify("selected") { _ -> onChange.forEach { it.accept(this.selected) } }
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expression = PropertyExpression(StringObject.getType(), null, "string")
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}
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fun onChange(changed: IntConsumer) {
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onChange.add(changed)
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}
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fun updateOptions(newOptions: Array<T>, newSelected: Int) {
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selected = 0
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model = newOptions.toModel(stringify)
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selected = newSelected
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}
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companion object {
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private fun <T> Array<T>.toModel(stringify: (T) -> String) = StringList(map(stringify).toTypedArray())
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}
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}
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fun KDropDown(vararg options: @PropertyKey(resourceBundle = I18n.BUNDLE) String, selected: Int = 0): KDropDown<String> =
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KDropDown(options.map { it }.toTypedArray(), { I18n[it] }, selected) |