org.basex.gui.view
Class ViewData

java.lang.Object
  extended by org.basex.gui.view.ViewData

public final class ViewData
extends Object

This class assembles some database access methods which are used in the same way by different visualizations. If more specific database access is needed, it is advisable to directly work on the Data class.

Author:
Workgroup DBIS, University of Konstanz 2005-10, ISC License, Christian Gruen

Method Summary
static byte[] attValue(Data data, int att, int pre)
          Finds the specified attribute and returns its value.
static byte[] content(Data data, int p, boolean s)
          Returns the contents of the specified node.
static boolean isLeaf(GUIProp prop, Data d, int pre)
          Checks if the specified node is a leaf node (text node or file element or file tag).
static int parent(Data data, int pre)
          Returns the parent for the specified node.
static byte[] path(Data data, int pre)
          Returns path for the specified pre value.
static int size(Data data, int pre)
          Returns the size for the specified node.
static byte[] tag(GUIProp prop, Data data, int pre)
          Returns the tag name of the specified node.
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Method Detail

isLeaf

public static boolean isLeaf(GUIProp prop,
                             Data d,
                             int pre)
Checks if the specified node is a leaf node (text node or file element or file tag).

Parameters:
prop - gui properties
d - data reference
pre - pre value
Returns:
result of comparison

path

public static byte[] path(Data data,
                          int pre)
Returns path for the specified pre value.

Parameters:
data - data reference
pre - pre value
Returns:
current path

content

public static byte[] content(Data data,
                             int p,
                             boolean s)
Returns the contents of the specified node.

Parameters:
data - data reference
p - pre value
s - if specified, a short representation is returned (no full text nodes, only attribute names)
Returns:
name

tag

public static byte[] tag(GUIProp prop,
                         Data data,
                         int pre)
Returns the tag name of the specified node. Note that the pre value must reference an element node.

Parameters:
prop - gui properties
data - data reference
pre - pre value
Returns:
name

attValue

public static byte[] attValue(Data data,
                              int att,
                              int pre)
Finds the specified attribute and returns its value.

Parameters:
data - data reference
att - the attribute id of the attribute to be found
pre - pre value
Returns:
attribute value

parent

public static int parent(Data data,
                         int pre)
Returns the parent for the specified node.

Parameters:
data - data reference
pre - child node
Returns:
parent node

size

public static int size(Data data,
                       int pre)
Returns the size for the specified node.

Parameters:
data - data reference
pre - child node
Returns:
parent node