org.opencms.jsp
Class CmsJspNavElement

java.lang.Object
  org.opencms.jsp.CmsJspNavElement

All Implemented Interfaces:

Comparable

public class CmsJspNavElement
extends Object
implements Comparable

Bean to collect navigation information from a resource in the OpenCms VFS.

Each nav element contains a number of information about a VFS resource, obtained either from the resources properties or attributes. You can use this information to generate a HTML navigation for files in the VFS in your template.

Since:

6.0.0

Version:

$Revision: 1.15 $

Author:

Alexander Kandzior

See Also:

CmsJspNavBuilder

Constructor Summary

CmsJspNavElement()
Empty constructor required for every JavaBean, does nothing.

CmsJspNavElement(String resource, Map properties)
Create a new instance of the bean and calls the init method with the provided parametes.

CmsJspNavElement(String resource, Map properties, int navTreeLevel)
Create a new instance of the bean and calls the init method with the provided parametes.

Method Summary

int	compareTo(Object obj)
boolean	equals(Object obj)
String	getDescription() Returns the value of the property PROPERTY_DESCRIPTION of this nav element, or null if this property is not set.
String	getFileName() Returns the filename of the nav element, i.e.
String	getInfo() Returns the value of the property CmsPropertyDefinition.PROPERTY_NAVINFO of this nav element, or null if this property is not set.
String	getLocale() Returns the value of the property CmsPropertyDefinition.PROPERTY_LOCALE of this nav element, or null if this property is not set.
String	getNavImage() Returns the value of the property CmsPropertyDefinition.PROPERTY_NAVIMAGE of this nav element, or null if this property is not set.
float	getNavPosition() Returns the value of the property C_PROPERTY_NAVPOS converted to a float, or a value of Float.MAX_VALUE if the nav position property is not set (or not a valid number) for this resource.
String	getNavText() Returns the value of the property PROPERTY_NAVTEXT of this nav element, or a warning message if this property is not set (this method will never return null).
int	getNavTreeLevel() Returns the nav tree level of this resource.
String	getParentFolderName() Returns the name of the parent folder of the resource of this nav element.
Map	getProperties() Returns the original Hashtable of all file properties of the resource that the nav element belongs to.
String	getProperty(String key) Returns the value of the selected property from this nav element.
String	getResourceName() Returns the resource name this nav element was initalized with.
String	getTitle() Returns the value of the property PROPERTY_TITLE of this nav element, or null if this property is not set.
int	hashCode()
void	init(String resource, Map properties) Same as calling init(String, Hashtable, -1).
void	init(String resource, Map properties, int navTreeLevel) Initialized the member variables of this bean with the values provided.
boolean	isFolderLink() Returns true if this nav element describes a folder, false otherwise.
boolean	isInNavigation() Returns true if this nav element is in the navigation, false otherwise.
void	setNavPosition(float value) Sets the value that will be returned by the getNavPosition() method of this class.

Methods inherited from class java.lang.Object

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

Constructor Detail

CmsJspNavElement

public CmsJspNavElement()

Empty constructor required for every JavaBean, does nothing.

Call one of the init methods afer you have created an instance of the bean. Instead of using the constructor you should use the static factory methods provided by this class to create navigation beans that are properly initialized with current OpenCms context.

See Also:

CmsJspNavBuilder.getNavigationForResource(), CmsJspNavBuilder.getNavigationForFolder(), CmsJspNavBuilder.getNavigationTreeForFolder(int, int)

CmsJspNavElement

public CmsJspNavElement(String resource,
                        Map properties)

Create a new instance of the bean and calls the init method with the provided parametes.

Parameters:

resource - will be passed to init

properties - will be passed to init

See Also:

init(String, Map)

CmsJspNavElement

public CmsJspNavElement(String resource,
                        Map properties,
                        int navTreeLevel)

Create a new instance of the bean and calls the init method with the provided parametes.

Parameters:

resource - will be passed to init

properties - will be passed to init

navTreeLevel - will be passed to init

See Also:

init(String, Map, int)

Method Detail

compareTo

public int compareTo(Object obj)

Specified by:

compareTo in interface Comparable

See Also:

Comparable.compareTo(Object)

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

See Also:

Object.equals(Object)

getDescription

public String getDescription()

Returns the value of the property PROPERTY_DESCRIPTION of this nav element, or null if this property is not set.

Returns:

the value of the property PROPERTY_DESCRIPTION of this nav element or null if this property is not set

getFileName

public String getFileName()

Returns the filename of the nav element, i.e. the name of the nav resource without any path information.

Returns:

the filename of the nav element, i.e. the name of the nav resource without any path information

getInfo

public String getInfo()

Returns the value of the property CmsPropertyDefinition.PROPERTY_NAVINFO of this nav element, or null if this property is not set.

Returns:

the value of the property or null if this property is not set

getLocale

public String getLocale()

Returns the value of the property CmsPropertyDefinition.PROPERTY_LOCALE of this nav element, or null if this property is not set.

Returns:

the value of the property or null if this property is not set

getNavImage

public String getNavImage()

Returns the value of the property CmsPropertyDefinition.PROPERTY_NAVIMAGE of this nav element, or null if this property is not set.

Returns:

the value of the property or null if this property is not set

getNavPosition

public float getNavPosition()

Returns the value of the property C_PROPERTY_NAVPOS converted to a float, or a value of Float.MAX_VALUE if the nav position property is not set (or not a valid number) for this resource.

Returns:

float the value of the property C_PROPERTY_NAVPOS converted to a float, or a value of Float.MAX_VALUE if the nav position property is not set (or not a valid number) for this resource

getNavText

public String getNavText()

Returns the value of the property PROPERTY_NAVTEXT of this nav element, or a warning message if this property is not set (this method will never return null).

Returns:

the value of the property PROPERTY_NAVTEXT of this nav element, or a warning message if this property is not set (this method will never return null)

getNavTreeLevel

public int getNavTreeLevel()

Returns the nav tree level of this resource.

Returns:

int the nav tree level of this resource

getParentFolderName

public String getParentFolderName()

Returns the name of the parent folder of the resource of this nav element.

Returns:

the name of the parent folder of the resource of this nav element

getProperties

public Map getProperties()

Returns the original Hashtable of all file properties of the resource that the nav element belongs to.

Please note that the original reference is returned, so be careful when making changes to the Hashtable.

Returns:

the original Hashtable of all file properties of the resource that the nav element belongs to

getProperty

public String getProperty(String key)

Returns the value of the selected property from this nav element.

The nav element contains a hash of all file properties of the resource that the nav element belongs to.

Parameters:

key - the property name to look up

Returns:

the value of the selected property

getResourceName

public String getResourceName()

Returns the resource name this nav element was initalized with.

Returns:

the resource name this nav element was initalized with

getTitle

public String getTitle()

Returns the value of the property PROPERTY_TITLE of this nav element, or null if this property is not set.

Returns:

the value of the property PROPERTY_TITLE of this nav element or null if this property is not set

hashCode

public int hashCode()

Overrides:

hashCode in class Object

See Also:

Object.hashCode()

init

public void init(String resource,
                 Map properties)

Same as calling init(String, Hashtable, -1).

Parameters:

resource - the name of the resource to extract the navigation information from

properties - the properties of the resource read from the vfs

init

public void init(String resource,
                 Map properties,
                 int navTreeLevel)

Initialized the member variables of this bean with the values provided.

A resource will be in the nav if at least one of the two properties I_CmsConstants.PROPERTY_NAVTEXT or I_CmsConstants.PROPERTY_NAVPOS is set. Otherwise it will be ignored. This bean does provides static methods to create a new instance from the context of a current CmsObject. Call these static methods in order to get a properly initialized bean.

Parameters:

resource - the name of the resource to extract the navigation information from

properties - the properties of the resource read from the vfs

navTreeLevel - tree level of this resource, for building navigation trees

See Also:

CmsJspNavBuilder.getNavigationForResource()

isFolderLink

public boolean isFolderLink()

Returns true if this nav element describes a folder, false otherwise.

Returns:

true if this nav element describes a folder, false otherwise.

isInNavigation

public boolean isInNavigation()

Returns true if this nav element is in the navigation, false otherwise.

A resource is considered to be in the navigation, if

1. it has the property PROPERTY_NAVTEXT set
2. or it has the property PROPERTY_NAVPOS set
3. and it is not a temporary file that contains a '~' in it's filename.

Returns:

true if this nav element is in the navigation, false otherwise

setNavPosition

public void setNavPosition(float value)

Sets the value that will be returned by the getNavPosition() method of this class.

Parameters:

value - the value to set