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Enable/disable menu items in history list

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Depending on if there are scans visible or not.
This commit is contained in:
Markus Fisch 2020-05-22 19:04:47 +02:00
parent c4fe713b6d
commit b662ba9307
1 changed files with 12 additions and 2 deletions
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14
app/src/main/kotlin/de/markusfisch/android/binaryeye/fragment/HistoryFragment.kt
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@ -102,6 +102,8 @@ class HistoryFragment : Fragment() {
private var listViewState: Parcelable? = null
private var actionMode: ActionMode? = null
private var filter: String? = null
private var clearListMenuItem: MenuItem? = null
private var exportHistoryMenuItem: MenuItem? = null
override fun onCreate(state: Bundle?) {
super.onCreate(state)
@ -173,6 +175,8 @@ class HistoryFragment : Fragment() {
inflater.inflate(R.menu.fragment_history, menu)
initSearchView(menu.findItem(R.id.search))
menu.setGroupVisible(R.id.scans_available, scansAdapter?.count != 0)
clearListMenuItem = menu.findItem(R.id.clear)
exportHistoryMenuItem = menu.findItem(R.id.export_history)
}
private fun initSearchView(item: MenuItem?) {
@ -205,7 +209,7 @@ class HistoryFragment : Fragment() {
override fun onOptionsItemSelected(item: MenuItem): Boolean {
return when (item.itemId) {
R.id.clear -> {
askToRemoveManyScans(context)
askToRemoveScans(context)
true
}
R.id.export_history -> {
@ -243,6 +247,7 @@ class HistoryFragment : Fragment() {
}
ActivityCompat.invalidateOptionsMenu(ac)
}
enableMenuItems(hasScans)
fab.visibility = if (hasScans) {
View.VISIBLE
} else {
@ -261,6 +266,11 @@ class HistoryFragment : Fragment() {
}
}
private fun enableMenuItems(enabled: Boolean) {
clearListMenuItem?.isEnabled = enabled
exportHistoryMenuItem?.isEnabled = enabled
}
private fun closeActionMode() {
unlockStatusBarColor()
scansAdapter?.clearSelection()
@ -321,7 +331,7 @@ class HistoryFragment : Fragment() {
.show()
}
private fun askToRemoveManyScans(context: Context) {
private fun askToRemoveScans(context: Context) {
AlertDialog.Builder(context)
.setMessage(
if (filter == null) {