avoid showing unwritable calendars in some places

app/src/main/kotlin/com/simplemobiletools/calendar/pro/activities/EventActivity.kt

@@ -548,7 +548,7 @@ class EventActivity : SimpleActivity() {
 
     private fun showEventTypeDialog() {
         hideKeyboard()
-        SelectEventTypeDialog(this, mEventTypeId, false, true, false) {
+        SelectEventTypeDialog(this, mEventTypeId, false, true, false, true) {
             mEventTypeId = it.id!!
             updateEventType()
         }
@@ -613,7 +613,7 @@ class EventActivity : SimpleActivity() {
             event_caldav_calendar_divider.beVisible()
 
             val calendars = calDAVHelper.getCalDAVCalendars("", true).filter {
-                config.getSyncedCalendarIdsAsList().contains(it.id)
+                it.canWrite() && config.getSyncedCalendarIdsAsList().contains(it.id)
             }
             updateCurrentCalendarInfo(if (mEventCalendarId == STORED_LOCALLY_ONLY) null else getCalendarWithId(calendars, getCalendarId()))
 

app/src/main/kotlin/com/simplemobiletools/calendar/pro/activities/MainActivity.kt

@@ -105,7 +105,7 @@ class MainActivity : SimpleActivity(), RefreshRecyclerViewListener {
             updateViewPager()
         }
 
-        eventsHelper.getEventTypes(this) {
+        eventsHelper.getEventTypes(this, false) {
             val newShouldFilterBeVisible = it.size > 1 || config.displayEventTypes.isEmpty()
             if (newShouldFilterBeVisible != mShouldFilterBeVisible) {
                 mShouldFilterBeVisible = newShouldFilterBeVisible

app/src/main/kotlin/com/simplemobiletools/calendar/pro/activities/ManageEventTypesActivity.kt

@@ -30,7 +30,7 @@ class ManageEventTypesActivity : SimpleActivity(), DeleteEventTypesListener {
     }
 
     private fun getEventTypes() {
-        eventsHelper.getEventTypes(this) {
+        eventsHelper.getEventTypes(this, false) {
             val adapter = ManageEventTypesAdapter(this, it, this, manage_event_types_list) {
                 showEventTypeDialog(it as EventType)
             }

app/src/main/kotlin/com/simplemobiletools/calendar/pro/activities/SettingsActivity.kt

@@ -617,7 +617,7 @@ class SettingsActivity : SimpleActivity() {
         updateDefaultEventTypeText()
         settings_default_event_type.text = getString(R.string.last_used_one)
         settings_default_event_type_holder.setOnClickListener {
-            SelectEventTypeDialog(this, config.defaultEventTypeId, true, false, true) {
+            SelectEventTypeDialog(this, config.defaultEventTypeId, true, false, true, true) {
                 config.defaultEventTypeId = it.id!!
                 updateDefaultEventTypeText()
             }

app/src/main/kotlin/com/simplemobiletools/calendar/pro/dialogs/ExportEventsDialog.kt

@@ -19,7 +19,7 @@ class ExportEventsDialog(val activity: SimpleActivity, val path: String, val cal
             export_events_folder.text = activity.humanizePath(path)
             export_events_filename.setText("${activity.getString(R.string.events)}_${activity.getCurrentFormattedDateTime()}")
 
-            activity.eventsHelper.getEventTypes(activity) {
+            activity.eventsHelper.getEventTypes(activity, false) {
                 val eventTypes = HashSet<String>()
                 it.mapTo(eventTypes) { it.id.toString() }
 

app/src/main/kotlin/com/simplemobiletools/calendar/pro/dialogs/FilterEventTypesDialog.kt

@@ -14,7 +14,7 @@ class FilterEventTypesDialog(val activity: SimpleActivity, val callback: () -> U
     private val view = activity.layoutInflater.inflate(R.layout.dialog_filter_event_types, null)
 
     init {
-        activity.eventsHelper.getEventTypes(activity) {
+        activity.eventsHelper.getEventTypes(activity, false) {
             val displayEventTypes = activity.config.displayEventTypes
             view.filter_event_types_list.adapter = FilterEventTypeAdapter(activity, it, displayEventTypes)
 

app/src/main/kotlin/com/simplemobiletools/calendar/pro/dialogs/ImportEventsDialog.kt

@@ -49,7 +49,7 @@ class ImportEventsDialog(val activity: SimpleActivity, val path: String, val cal
         val view = (activity.layoutInflater.inflate(R.layout.dialog_import_events, null) as ViewGroup).apply {
             updateEventType(this)
             import_event_type_holder.setOnClickListener {
-                SelectEventTypeDialog(activity, currEventTypeId, true, true, false) {
+                SelectEventTypeDialog(activity, currEventTypeId, true, true, false, true) {
                     currEventTypeId = it.id!!
                     currEventTypeCalDAVCalendarId = it.caldavCalendarId
 

app/src/main/kotlin/com/simplemobiletools/calendar/pro/dialogs/SelectEventTypeDialog.kt

@@ -19,7 +19,7 @@ import kotlinx.android.synthetic.main.radio_button_with_color.view.*
 import java.util.*
 
 class SelectEventTypeDialog(val activity: Activity, val currEventType: Long, val showCalDAVCalendars: Boolean, val showNewEventTypeOption: Boolean,
-                            val addLastUsedOneAsFirstOption: Boolean, val callback: (eventType: EventType) -> Unit) {
+                            val addLastUsedOneAsFirstOption: Boolean, val showOnlyWritable: Boolean, val callback: (eventType: EventType) -> Unit) {
     private val NEW_EVENT_TYPE_ID = -2L
     private val LAST_USED_EVENT_TYPE_ID = -1L
 
@@ -32,7 +32,7 @@ class SelectEventTypeDialog(val activity: Activity, val currEventType: Long, val
         val view = activity.layoutInflater.inflate(R.layout.dialog_select_radio_group, null) as ViewGroup
         radioGroup = view.dialog_radio_group
 
-        activity.eventsHelper.getEventTypes(activity) {
+        activity.eventsHelper.getEventTypes(activity, showOnlyWritable) {
             eventTypes = it
             activity.runOnUiThread {
                 if (addLastUsedOneAsFirstOption) {

app/src/main/kotlin/com/simplemobiletools/calendar/pro/fragments/WeekFragment.kt

@@ -67,7 +67,7 @@ class WeekFragment : Fragment(), WeeklyCalendar {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        context!!.eventsHelper.getEventTypes(activity!!) {
+        context!!.eventsHelper.getEventTypes(activity!!, false) {
             it.map { eventTypeColors.put(it.id!!, it.color) }
         }
 

app/src/main/kotlin/com/simplemobiletools/calendar/pro/helpers/EventsHelper.kt

@@ -13,9 +13,17 @@ class EventsHelper(val context: Context) {
     private val eventsDB = context.eventsDB
     private val eventTypesDB = context.eventTypesDB
 
-    fun getEventTypes(activity: Activity, callback: (notes: ArrayList<EventType>) -> Unit) {
+    fun getEventTypes(activity: Activity, showWritableOnly: Boolean, callback: (notes: ArrayList<EventType>) -> Unit) {
         Thread {
-            val eventTypes = eventTypesDB.getEventTypes().toMutableList() as ArrayList<EventType>
+            var eventTypes = eventTypesDB.getEventTypes().toMutableList() as ArrayList<EventType>
+            if (showWritableOnly) {
+                val caldavCalendars = activity.calDAVHelper.getCalDAVCalendars("", true)
+                eventTypes = eventTypes.filter {
+                    val eventType = it
+                    it.caldavCalendarId == 0 || caldavCalendars.firstOrNull { it.id == eventType.caldavCalendarId }?.canWrite() == true
+                }.toMutableList() as ArrayList<EventType>
+            }
+
             activity.runOnUiThread {
                 callback(eventTypes)
             }