lazyj.widgets

Class BasicDBTreeProvider

java.lang.Object

lazyj.widgets.DBTreeProvider<java.lang.Integer,java.lang.String>

lazyj.widgets.BasicDBTreeProvider

All Implemented Interfaces:

TreeProvider<java.lang.Integer,java.lang.String>

public class BasicDBTreeProvider
extends DBTreeProvider<java.lang.Integer,java.lang.String>

Simple tree provider, having integer keys and string values. The simplest constructor takes first three columns of each database row as (key, parent, value).

Since:

Nov 26, 2007 (1.0.4)

Author:

costing

Field Summary

Fields inherited from class lazyj.widgets.DBTreeProvider

db

Constructor Summary

Constructors

Constructor and Description
BasicDBTreeProvider(DBFunctions db) Build the tree options taking from each database row: first column: node id == option key second column: parent id third column: value == displayed option string
BasicDBTreeProvider(DBFunctions db, java.lang.String sIDColumn, java.lang.String sParentColumn, java.lang.String sValueColumn) Build the tree of options taking the specified columns from each database row.

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.Integer	getKey() Get the key object (unique identifier of the node).
java.lang.Integer	getParent() Get the parent id (should match the TreeProvider.getKey() for another entry).
java.lang.String	getValue() Get the value that is to be displayed for this node.

Methods inherited from class lazyj.widgets.DBTreeProvider

moveNext

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BasicDBTreeProvider

public BasicDBTreeProvider(DBFunctions db)

Build the tree options taking from each database row:

• first column: node id == option key
• second column: parent id
• third column: value == displayed option string

Parameters:

db -

BasicDBTreeProvider

public BasicDBTreeProvider(DBFunctions db,
                   java.lang.String sIDColumn,
                   java.lang.String sParentColumn,
                   java.lang.String sValueColumn)

Build the tree of options taking the specified columns from each database row.

Parameters:

db -

sIDColumn -

sParentColumn -

sValueColumn -

Method Detail

getKey

public java.lang.Integer getKey()

Description copied from interface: TreeProvider

Get the key object (unique identifier of the node).

Returns:

key

getParent

public java.lang.Integer getParent()

Description copied from interface: TreeProvider

Get the parent id (should match the TreeProvider.getKey() for another entry).

Returns:

parent key

getValue

public java.lang.String getValue()

Description copied from interface: TreeProvider

Get the value that is to be displayed for this node.

Returns:

value