mirror of https://github.com/tasks/tasks
Merge of default-calendar branch in launchpad from Sami Salonen. (lp:~ssalonen/astrid/default-calendar)
Tim Su
16 years ago
parent
f96f29171f
commit
3be69a1d6b
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package com.timsu.astrid.utilities;
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import android.content.ContentResolver;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.content.SharedPreferences.Editor;
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import android.content.res.Resources;
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import android.database.Cursor;
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import android.net.Uri;
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import android.preference.ListPreference;
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import android.preference.PreferenceManager;
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import android.util.Log;
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import com.timsu.astrid.R;
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public class Calendars {
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// Private SDK
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private static final Uri CALENDAR_CONTENT_URI = Uri
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.parse("content://calendar/calendars"); // Calendars.CONTENT_URI
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private static final String ID_COLUMN_NAME = "_id";
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private static final String DISPLAY_COLUMN_NAME = "displayName";
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private static final String ACCES_LEVEL_COLUMN_NAME = "access_level";
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private static final String[] CALENDARS_PROJECTION = new String[] {
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ID_COLUMN_NAME, // Calendars._ID,
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DISPLAY_COLUMN_NAME // Calendars.DISPLAY_NAME
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};
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// Only show calendars that the user can modify. Access level 500
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// corresponds to Calendars.CONTRIBUTOR_ACCESS
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private static final String CALENDARS_WHERE = ACCES_LEVEL_COLUMN_NAME + " >= 500";
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private static final String CALENDARS_WHERE_ID = ACCES_LEVEL_COLUMN_NAME+" >= 500 AND" + ID_COLUMN_NAME +"=?";
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private static final String CALENDARS_SORT = "displayName ASC";
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/**
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* Ensures that the default calendar preference is pointing to
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* user-modifiable calendar that exists. If the calendar does not exist
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* anymore, the preference is reset to default value.
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*
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* @param context
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* Context
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*/
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public static void ensureValidDefaultCalendarPreference(Context context) {
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SharedPreferences prefs = PreferenceManager
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.getDefaultSharedPreferences(context);
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Resources r = context.getResources();
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Editor editor = prefs.edit();
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// We default the 'defaultCalendar' setting when it is undefined
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// or when the calendar does not exist anymore
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if (!prefs.contains(r.getString(R.string.prefs_defaultCalendar))
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|| !Calendars.isCalendarPresent(context, prefs.getString(r
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.getString(R.string.prefs_defaultCalendar), null))) {
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editor.putString(r.getString(R.string.prefs_defaultCalendar), r
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.getString(R.string.prefs_defaultCalendar_default));
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editor.commit();
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}
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}
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/**
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* Appends all user-modifiable calendars to listPreference. Always includes
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* entry called "Astrid default" with calendar id of
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* prefs_defaultCalendar_default.
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*
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* @param context
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* context
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* @param listPreference
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* preference to init
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*/
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public static void initCalendarsPreference(Context context,
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ListPreference listPreference) {
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ContentResolver cr = context.getContentResolver();
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Resources r = context.getResources();
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Cursor c = cr.query(CALENDAR_CONTENT_URI, CALENDARS_PROJECTION,
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CALENDARS_WHERE, null, CALENDARS_SORT);
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// Fetch the current setting. Invalid calendar id will
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// be changed to default value.
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String currentSetting = String.valueOf(Preferences
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.getDefaultCalendarIDSafe(context));
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int currentSettingIndex = -1;
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if (c == null) {
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// Something went wrong when querying calendars
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// Let's keep the "Astrid default" only.
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listPreference
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.setEntries(new String[] { r
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.getString(R.string.prefs_defaultCalendar_astrid_default) });
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listPreference.setEntryValues(new String[] { r
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.getString(R.string.prefs_defaultCalendar_default) });
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listPreference.setValueIndex(0);
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listPreference.setEnabled(true);
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return;
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}
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int calendarCount = c.getCount();
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String[] entries = new String[calendarCount];
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String[] entryValues = new String[calendarCount];
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// Iterate calendars one by one, and fill up the list preference
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try {
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int row = 0;
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int idColumn = c.getColumnIndex(ID_COLUMN_NAME);
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int nameColumn = c.getColumnIndex(DISPLAY_COLUMN_NAME);
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while (c.moveToNext()) {
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String id = c.getString(idColumn);
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String name = c.getString(nameColumn);
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entries[row] = name;
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entryValues[row] = id;
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// We found currently selected calendar
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if (currentSetting.equals(id)) {
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currentSettingIndex = row;
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}
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row++;
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}
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if (currentSettingIndex == -1) {
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// Should not happen!
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// Let's keep the "Astrid default" only.
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Log.d("astrid", "initCalendarsPreference: Unknown calendar.");
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listPreference
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.setEntries(new String[] { r
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.getString(R.string.prefs_defaultCalendar_astrid_default) });
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listPreference.setEntryValues(new String[] { r
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.getString(R.string.prefs_defaultCalendar_default) });
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listPreference.setValueIndex(0);
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listPreference.setEnabled(true);
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}
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listPreference.setEntries(entries);
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listPreference.setEntryValues(entryValues);
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listPreference.setValueIndex(currentSettingIndex);
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listPreference.setEnabled(true);
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} finally {
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c.deactivate();
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}
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}
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/**
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* Checks whether user-modifiable calendar is present with a given id.
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*
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* @param context
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* Context
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* @param id
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* Calendar ID to search for
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* @return true, if user-modifiable calendar with the given id exists; false
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* otherwise.
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*/
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private static boolean isCalendarPresent(Context context, String id) {
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if (id == null)
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return false;
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ContentResolver cr = context.getContentResolver();
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Cursor c = null;
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try {
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c = cr.query(CALENDAR_CONTENT_URI, CALENDARS_PROJECTION,
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CALENDARS_WHERE_ID, new String[] { id }, CALENDARS_SORT);
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} finally {
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if (c != null) {
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c.deactivate();
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}
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}
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return (c != null) && (c.getCount() != 0);
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}
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}
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