TooltipActivity.kt

/*
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */

package com.microsoft.officeuifabricdemo.demos

import android.os.Bundle
import android.view.ViewTreeObserver
import android.widget.Button
import com.microsoft.officeuifabric.snackbar.Snackbar
import com.microsoft.officeuifabric.tooltip.Tooltip
import com.microsoft.officeuifabricdemo.DemoActivity
import com.microsoft.officeuifabricdemo.R
import kotlinx.android.synthetic.main.activity_demo_detail.*
import kotlinx.android.synthetic.main.activity_tooltip.*

class TooltipActivity : DemoActivity(), Tooltip.OnDismissListener {
    companion object {
        const val BUTTON_ID = "buttonId"
    }

    enum class TooltipType(val buttonId: Int, val messageId: Int, val offsetXId: Int, val offsetYId: Int) {
        TOP_START(R.id.tooltip_anchor_top_start, R.string.tooltip_top_start_message, 0, 0),
        TOP_END(R.id.tooltip_anchor_top_end, R.string.tooltip_top_end_message, R.dimen.tooltip_example_offset_x, 0),
        BOTTOM_START(R.id.tooltip_anchor_bottom_start, R.string.tooltip_bottom_start_message, 0, 0),
        BOTTOM_END(R.id.tooltip_anchor_bottom_end, R.string.tooltip_bottom_end_message, 0, R.dimen.tooltip_example_offset_y)
    }

    private var tooltip: Tooltip? = null

    private var buttonId: Int = 0

    override val contentNeedsScrollableContainer: Boolean
        get() = false

    override val contentLayoutId: Int
        get() = R.layout.activity_tooltip

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        TooltipType.values().forEach { type ->
            findViewById<Button>(type.buttonId).setOnClickListener {
                val config = Tooltip.Config(getDimen(type.offsetXId), getDimen(type.offsetYId))
                tooltip = Tooltip(this).show(it, resources.getString(type.messageId), config)
                buttonId = it.id
            }
        }

        tooltip_anchor_center.setOnClickListener {
            tooltip = Tooltip(this).show(
                it,
                resources.getString(R.string.tooltip_center_message),
                Tooltip.Config(touchDismissLocation = Tooltip.TouchDismissLocation.INSIDE)
            )
            tooltip?.onDismissListener = this
            buttonId = it.id
        }

        savedInstanceState?.let {
            buttonId = it.getInt(BUTTON_ID)
        }
    }

    override fun onStart() {
        super.onStart()

        if (buttonId > 0) {
            val button = findViewById<Button>(buttonId)
            button.viewTreeObserver.addOnGlobalLayoutListener(object: ViewTreeObserver.OnGlobalLayoutListener {
                override fun onGlobalLayout() {
                    // Show tooltip on configuration change
                    button.performClick()
                    button.viewTreeObserver.removeOnGlobalLayoutListener(this)
                }
            })
        }
    }

    override fun onSaveInstanceState(outState: Bundle?) {
        super.onSaveInstanceState(outState)

        outState?.putInt(BUTTON_ID, buttonId)
    }

    override fun onPause() {
        super.onPause()

        tooltip?.let {
            if (!it.isShowing)
                buttonId = 0
            it.dismiss()
        }
    }

    override fun onDismiss() {
        Snackbar.make(root_view, resources.getString(R.string.tooltip_dismiss_message), Snackbar.LENGTH_SHORT).show()
    }

    private fun getDimen(id: Int): Int =
        if (id > 0) Math.round(resources.getDimension(id)) else 0
}