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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.ranges;
 
 import  elemental.stylesheets.*;
 
 import java.util.Date;

The Range object represents a fragment of a document that can contain nodes and parts of text nodes in a given document.

A range can be created using the Document.createRange  method of the Document  object. Range objects can also be retrieved by using the Selection.getRangeAt  method of the Selection  object.

 
 public interface Range {
 
     static final int END_TO_END = 2;
 
     static final int END_TO_START = 3;
 
     static final int NODE_AFTER = 1;
 
     static final int NODE_BEFORE = 0;
 
     static final int NODE_BEFORE_AND_AFTER = 2;
 
     static final int NODE_INSIDE = 3;
 
     static final int START_TO_END = 1;
 
     static final int START_TO_START = 0;


  
Returns a boolean indicating whether the range's start and end points are at the same position.
 
   boolean isCollapsed();


  
Returns the deepest Node  that contains the startContainer and endContainer Nodes.
 
Returns the Node  within which the Range ends.
 
   Node getEndContainer();


  
Returns a number representing where in the endContainer the Range ends.
 
   int getEndOffset();


  
Returns the Node  within which the Range starts.
 
Returns a number representing where in the startContainer the Range starts.
 
   int getStartOffset();


  
Returns a DocumentFragment  copying the nodes of a Range.
Returns a Range object with boundary points identical to the cloned Range.
  Range cloneRange();


  
Collapses the Range to one of its boundary points.
  void collapse(boolean toStart);


  
Returns a constant representing whether the Node is before, after, inside, or surrounding the range.
  short compareNode(Node refNode);


  
Returns -1, 0, or 1 indicating whether the point occurs before, inside, or after the range.
  short comparePoint(Node refNodeint offset);


  
Returns a DocumentFragment  created from a given string of code.
Removes the contents of a Range from the Document .
  void deleteContents();


  
Releases Range from use to improve performance.
  void detach();
  void expand(String unit);


  
Moves contents of a Range from the document tree into a DocumentFragment .
Returns a ClientRect object which bounds the entire contents of the range; this would be the union of all the rectangles returned by range.getClientRects() .
Returns a list of ClientRect objects that aggregates the results of Element.getClientRects() for all the elements in the range.
Insert a Node  at the start of a Range.
  void insertNode(Node newNode);


  
Returns a boolean indicating whether the given node intersects the range.
  boolean intersectsNode(Node refNode);


  
Returns a boolean indicating whether the given point is in the range.
  boolean isPointInRange(Node refNodeint offset);


  
Sets the Range to contain the Node  and its contents.
  void selectNode(Node refNode);


  
Sets the Range to contain the contents of a Node .
  void selectNodeContents(Node refNode);


  
Sets the end position of a Range.
  void setEnd(Node refNodeint offset);


  
Sets the end position of a Range relative to another Node .
  void setEndAfter(Node refNode);


  
Sets the end position of a Range relative to another Node .
  void setEndBefore(Node refNode);


  
Sets the start position of a Range.
  void setStart(Node refNodeint offset);


  
Sets the start position of a Range relative to another Node .
  void setStartAfter(Node refNode);


  
Sets the start position of a Range relative to another Node .
  void setStartBefore(Node refNode);


  
Moves content of a Range into a new Node .
  void surroundContents(Node newParent);
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