Android Open Source - Todo Cursor Position Calculator






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License

The source code is released under:

GNU General Public License

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Java Source Code

/**
 * This file is part of Todo.txt for Android, an app for managing your todo.txt file (http://todotxt.com).
 */*from   www  .j  a v a2 s . c o  m*/
 * Copyright (c) 2009-2013 Todo.txt for Android contributors (http://todotxt.com)
 *
 * LICENSE:
 *
 * Todo.txt for Android is free software: you can redistribute it and/or modify it under the terms of the GNU General
 * Public License as published by the Free Software Foundation, either version 2 of the License, or (at your option) any
 * later version.
 *
 * Todo.txt for Android is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the 
 * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with Todo.txt for Android. If not, see
 * <http://www.gnu.org/licenses/>.
 *
 * Todo.txt for Android's source code is available at https://github.com/ginatrapani/todo.txt-android
 *
 * @author Todo.txt for Android contributors <todotxt@yahoogroups.com>
 * @license http://www.gnu.org/licenses/gpl.html
 * @copyright 2009-2013 Todo.txt for Android contributors (http://todotxt.com)
 */

package com.todotxt.todotxttouch.util;

public final class CursorPositionCalculator {
  /**
   * Calculates the cursor position when a string changes based on the cursor
   * position prior to the change
   * @param priorCursorPosition the position of the cursor prior to the change
   * @param priorValue the prior value of the string
   * @param newValue the new value of the string
   * @return the calculated position. If priorValue is null than the
   * calculated position will be the position just after the string.
   * If the newValue is null than the position will be 0.
   */
  public static final int calculate(int priorCursorPosition, String priorValue, String newValue) {
    if (newValue == null) {
      return 0;
    }

    if (priorValue == null) {
      return newValue.length();
    }

    int pos = priorCursorPosition + (newValue.length() - priorValue.length());
    pos = pos < 0 ? 0 : pos;

    return pos > newValue.length() ? newValue.length() : pos;
  }
}




Java Source Code List

.MainActivity.java
com.todotxt.todotxttouch.AddTask.java
com.todotxt.todotxttouch.Constants.java
com.todotxt.todotxttouch.HelpActivity.java
com.todotxt.todotxttouch.PeriodicSyncStarter.java
com.todotxt.todotxttouch.Preferences.java
com.todotxt.todotxttouch.RelativeLayoutCheckable.java
com.todotxt.todotxttouch.SyncerService.java
com.todotxt.todotxttouch.TodoApplication.java
com.todotxt.todotxttouch.TodoException.java
com.todotxt.todotxttouch.TodoLocationPreference.java
com.todotxt.todotxttouch.TodoPreferences.java
com.todotxt.todotxttouch.TodoTxtTouch.java
com.todotxt.todotxttouch.TodoWidgetProvider.java
com.todotxt.todotxttouch.UpgradeHandler.java
com.todotxt.todotxttouch.remote.Client.java
com.todotxt.todotxttouch.remote.PullTodoResult.java
com.todotxt.todotxttouch.remote.RemoteClientManager.java
com.todotxt.todotxttouch.remote.RemoteClient.java
com.todotxt.todotxttouch.remote.RemoteConflictException.java
com.todotxt.todotxttouch.remote.RemoteException.java
com.todotxt.todotxttouch.remote.RemoteFolderImpl.java
com.todotxt.todotxttouch.remote.RemoteFolder.java
com.todotxt.todotxttouch.task.AndFilter.java
com.todotxt.todotxttouch.task.ByContextFilter.java
com.todotxt.todotxttouch.task.ByPriorityFilter.java
com.todotxt.todotxttouch.task.ByProjectFilter.java
com.todotxt.todotxttouch.task.ByTextFilter.java
com.todotxt.todotxttouch.task.ContextParser.java
com.todotxt.todotxttouch.task.EndpointsTaskBagImpl.java
com.todotxt.todotxttouch.task.FilterFactory.java
com.todotxt.todotxttouch.task.Filter.java
com.todotxt.todotxttouch.task.LinkParser.java
com.todotxt.todotxttouch.task.LocalFileTaskRepository.java
com.todotxt.todotxttouch.task.LocalTaskRepository.java
com.todotxt.todotxttouch.task.MailAddressParser.java
com.todotxt.todotxttouch.task.OrFilter.java
com.todotxt.todotxttouch.task.PhoneNumberParser.java
com.todotxt.todotxttouch.task.PriorityTextSplitter.java
com.todotxt.todotxttouch.task.Priority.java
com.todotxt.todotxttouch.task.ProjectParser.java
com.todotxt.todotxttouch.task.Sort.java
com.todotxt.todotxttouch.task.TaskBagFactory.java
com.todotxt.todotxttouch.task.TaskBagImpl.java
com.todotxt.todotxttouch.task.TaskBag.java
com.todotxt.todotxttouch.task.TaskPersistException.java
com.todotxt.todotxttouch.task.Task.java
com.todotxt.todotxttouch.task.TextSplitter.java
com.todotxt.todotxttouch.util.CursorPositionCalculator.java
com.todotxt.todotxttouch.util.Path.java
com.todotxt.todotxttouch.util.RelativeDate.java
com.todotxt.todotxttouch.util.Strings.java
com.todotxt.todotxttouch.util.TaskIo.java
com.todotxt.todotxttouch.util.Tree.java
com.todotxt.todotxttouch.util.Util.java
com.todotxt.todotxttouch.widget.ListWidgetProvider.java
com.todotxt.todotxttouch.widget.ListWidgetService.java
de.timroes.swipetodismiss.SwipeDismissList.java
uk.co.senab.actionbarpulltorefresh.extras.actionbarsherlock.AbsDefaultHeaderTransformer.java
uk.co.senab.actionbarpulltorefresh.extras.actionbarsherlock.PullToRefreshAttacher.java
uk.co.senab.actionbarpulltorefresh.library.DefaultHeaderTransformer.java
uk.co.senab.actionbarpulltorefresh.library.InstanceCreationUtils.java
uk.co.senab.actionbarpulltorefresh.library.PullToRefreshAttacher.java
uk.co.senab.actionbarpulltorefresh.library.PullToRefreshLayout.java
uk.co.senab.actionbarpulltorefresh.library.viewdelegates.AbsListViewDelegate.java
uk.co.senab.actionbarpulltorefresh.library.viewdelegates.ScrollYDelegate.java
uk.co.senab.actionbarpulltorefresh.library.viewdelegates.WebViewDelegate.java
voodsingular.todo.MyEndpointEndpoint.java
voodsingular.todo.MyEndpoint.java
voodsingular.todo.TaskBean.java