44 lines
1.1 KiB
Kotlin
44 lines
1.1 KiB
Kotlin
package jp.juggler.subwaytooter.dialog
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import android.content.Context
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import androidx.appcompat.app.AlertDialog
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import jp.juggler.subwaytooter.R
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import java.util.*
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class ActionsDialog {
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private val action_list = ArrayList<Action>()
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private class Action(val caption : CharSequence, val action : () -> Unit)
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fun addAction(caption : CharSequence, action : () -> Unit) : ActionsDialog {
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action_list.add(Action(caption, action))
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return this
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}
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fun show(context : Context, title : CharSequence? = null) : ActionsDialog {
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val caption_list = arrayOfNulls<CharSequence>(action_list.size)
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var i = 0
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val ie = caption_list.size
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while(i < ie) {
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caption_list[i] = action_list[i].caption
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++ i
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}
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val b = AlertDialog.Builder(context)
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.setNegativeButton(R.string.cancel, null)
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.setItems(caption_list) { _, which ->
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if(which >= 0 && which < action_list.size) {
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action_list[which].action()
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}
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}
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if(title != null && title.isNotEmpty()) b.setTitle(title)
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b.show()
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return this
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}
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}
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