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/*
 * Copyright 2012 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package elemental.html;
import elemental.dom.Node;
import elemental.ranges.Range;

import elemental.events.*;
import elemental.util.*;
import elemental.dom.*;
import elemental.html.*;
import elemental.css.*;
import elemental.stylesheets.*;

import java.util.Date;

/**
  * 
  */
public interface Selection {

  Node getAnchorNode();

  int getAnchorOffset();

  Node getBaseNode();

  int getBaseOffset();

  Node getExtentNode();

  int getExtentOffset();

  Node getFocusNode();

  int getFocusOffset();

  boolean isCollapsed();

  int getRangeCount();

  String getType();

  void addRange(Range range);

  void collapse(Node node, int index);

  void collapseToEnd();

  void collapseToStart();

  boolean containsNode(Node node, boolean allowPartial);

  void deleteFromDocument();

  void empty();

  void extend(Node node, int offset);

  Range getRangeAt(int index);

  void modify(String alter, String direction, String granularity);

  void removeAllRanges();

  void selectAllChildren(Node node);

  void setBaseAndExtent(Node baseNode, int baseOffset, Node extentNode, int extentOffset);

  void setPosition(Node node, int offset);
}