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239 lines
7.4 KiB
Java
239 lines
7.4 KiB
Java
/*
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* Copyright (c) 2012 Todoroo Inc
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*
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* See the file "LICENSE" for the full license governing this code.
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*/
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package com.todoroo.astrid.core;
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import static org.tasks.db.QueryUtils.showCompleted;
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import static org.tasks.db.QueryUtils.showHidden;
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import android.annotation.SuppressLint;
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import androidx.annotation.Nullable;
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import com.todoroo.andlib.sql.Functions;
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import com.todoroo.andlib.sql.Order;
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import com.todoroo.astrid.data.Task;
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import org.tasks.preferences.QueryPreferences;
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/**
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* Helpers for sorting a list of tasks
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*
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* @author Tim Su <tim@todoroo.com>
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*/
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public class SortHelper {
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public static final int SORT_AUTO = 0;
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public static final int SORT_ALPHA = 1;
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public static final int SORT_DUE = 2;
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public static final int SORT_IMPORTANCE = 3;
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public static final int SORT_MODIFIED = 4;
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public static final int SORT_CREATED = 5;
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public static final int SORT_GTASKS = 6;
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public static final int SORT_CALDAV = 7;
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public static final int SORT_START = 8;
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public static final long APPLE_EPOCH = 978307200000L; // 1/1/2001 GMT
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@SuppressLint("DefaultLocale")
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public static final String CALDAV_ORDER_COLUMN =
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String.format("IFNULL(tasks.`order`, (tasks.created - %d) / 1000)", APPLE_EPOCH);
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private static final String ADJUSTED_DUE_DATE =
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"(CASE WHEN (dueDate / 1000) % 60 > 0 THEN dueDate ELSE (dueDate + 43140000) END)";
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private static final String ADJUSTED_START_DATE =
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"(CASE WHEN (hideUntil / 1000) % 60 > 0 THEN hideUntil ELSE (hideUntil + 86399000) END)";
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private static final Order ORDER_TITLE = Order.asc(Functions.upper(Task.TITLE));
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/** Takes a SQL query, and if there isn't already an order, creates an order. */
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public static String adjustQueryForFlagsAndSort(
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QueryPreferences preferences, String originalSql, int sort) {
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// sort
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if (originalSql == null) {
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originalSql = "";
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}
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if (!originalSql.toUpperCase().contains("ORDER BY")) {
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Order order = orderForSortType(sort);
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if (preferences.isReverseSort()) {
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order = order.reverse();
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}
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originalSql += " ORDER BY " + order;
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}
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return adjustQueryForFlags(preferences, originalSql);
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}
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public static String adjustQueryForFlags(QueryPreferences preferences, String originalSql) {
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String adjustedSql = originalSql;
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// flags
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if (preferences.getShowCompleted()) {
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adjustedSql = showCompleted(adjustedSql);
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}
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if (preferences.getShowHidden()) {
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adjustedSql = showHidden(adjustedSql);
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}
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return adjustedSql;
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}
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private static Order orderForSortType(int sortType) {
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Order order;
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switch (sortType) {
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case SORT_ALPHA:
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order = ORDER_TITLE;
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break;
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case SORT_DUE:
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order =
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Order.asc(
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"(CASE WHEN (dueDate=0) THEN (strftime('%s','now')*1000)*2 ELSE "
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+ ADJUSTED_DUE_DATE
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+ " END)+importance");
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break;
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case SORT_START:
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order =
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Order.asc(
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"(CASE WHEN (hideUntil=0) THEN (strftime('%s','now')*1000)*2 ELSE "
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+ ADJUSTED_START_DATE
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+ " END)+importance");
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break;
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case SORT_IMPORTANCE:
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order =
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Order.asc(
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"importance*(strftime('%s','now')*1000)+(CASE WHEN (dueDate=0) THEN (strftime('%s','now')*1000) ELSE dueDate END)");
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break;
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case SORT_MODIFIED:
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order = Order.desc(Task.MODIFICATION_DATE);
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break;
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case SORT_CREATED:
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order = Order.desc(Task.CREATION_DATE);
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break;
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default:
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order =
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Order.asc(
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"(CASE WHEN (dueDate=0) "
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+ // if no due date
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"THEN (strftime('%s','now')*1000)*2 "
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+ // then now * 2
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"ELSE ("
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+ ADJUSTED_DUE_DATE
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+ ") END) "
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+ // else due time
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// add slightly less than 2 days * importance to give due date priority over importance in case of tie
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"+ 172799999 * importance");
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}
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if (sortType != SORT_ALPHA) {
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order.addSecondaryExpression(ORDER_TITLE);
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}
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return order;
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}
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public static @Nullable String getSortGroup(int sortType) {
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switch (sortType) {
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case SORT_DUE:
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return "tasks.dueDate";
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case SORT_START:
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return "tasks.hideUntil";
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case SORT_IMPORTANCE:
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return "tasks.importance";
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case SORT_MODIFIED:
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return "tasks.modified";
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case SORT_CREATED:
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return "tasks.created";
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default:
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return null;
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}
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}
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public static String orderSelectForSortTypeRecursive(int sortType) {
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String select;
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switch (sortType) {
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case SORT_ALPHA:
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// Return an empty string, providing a value to fill the WITH clause template
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select = "''";
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break;
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case SORT_DUE:
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select = "(CASE WHEN (tasks.dueDate=0) THEN (strftime('%s','now')*1000)*2 ELSE "
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+ ADJUSTED_DUE_DATE.replace("dueDate", "tasks.dueDate")
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+ " END)+tasks.importance AS sort_duedate";
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break;
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case SORT_START:
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select = "(CASE WHEN (tasks.hideUntil=0) THEN (strftime('%s','now')*1000)*2 ELSE "
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+ ADJUSTED_START_DATE.replace("hideUntil", "tasks.hideUntil")
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+ " END)+tasks.importance AS sort_startdate";
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break;
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case SORT_IMPORTANCE:
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select = "tasks.importance*(strftime('%s','now')*1000)+(CASE WHEN (tasks.dueDate=0) THEN (strftime('%s','now')*1000) ELSE tasks.dueDate END) AS sort_importance";
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break;
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case SORT_MODIFIED:
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select = "tasks.modified AS sort_modified";
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break;
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case SORT_CREATED:
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select = "tasks.created AS sort_created";
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break;
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case SORT_GTASKS:
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select = "tasks.`order` AS sort_manual";
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break;
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case SORT_CALDAV:
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select = CALDAV_ORDER_COLUMN + " AS sort_manual";
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break;
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default:
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select ="(CASE WHEN (tasks.dueDate=0) "
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+ // if no due date
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"THEN (strftime('%s','now')*1000)*2 "
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+ // then now * 2
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"ELSE ("
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+ ADJUSTED_DUE_DATE.replace("dueDate", "tasks.dueDate")
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+ ") END) "
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+ // else due time
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// add slightly less than 2 days * importance to give due date priority over importance in case of tie
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"+ 172799999 * tasks.importance AS sort_smart";
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}
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return select;
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}
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public static Order orderForSortTypeRecursive(int sortMode, boolean reverse) {
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Order order;
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switch (sortMode) {
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case SORT_ALPHA:
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order = Order.asc("sort_title");
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break;
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case SORT_DUE:
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order = Order.asc("sort_duedate");
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break;
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case SORT_START:
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order = Order.asc("sort_startdate");
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break;
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case SORT_IMPORTANCE:
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order = Order.asc("sort_importance");
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break;
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case SORT_MODIFIED:
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order = Order.desc("sort_modified");
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break;
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case SORT_CREATED:
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order = Order.desc("sort_created");
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break;
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case SORT_GTASKS:
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case SORT_CALDAV:
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order = Order.asc("sort_manual");
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break;
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default:
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order = Order.asc("sort_smart");
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}
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if (sortMode != SORT_ALPHA) {
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order.addSecondaryExpression(Order.asc("sort_title"));
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}
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if (reverse) {
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order = order.reverse();
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}
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return order;
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}
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}
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