AbstractVirtualScrollResourceReference (DataTables jQuery Plugin Integration 7.2.0 API)

java.lang.Object
- org.apache.wicket.request.resource.ResourceReference
- - org.wicketstuff.datatables.virtualscroll.AbstractVirtualScrollResourceReference<T>

All Implemented Interfaces:

Serializable, org.apache.wicket.util.io.IClusterable
```
public abstract class AbstractVirtualScrollResourceReference<T>
extends org.apache.wicket.request.resource.ResourceReference
```
An abstract resource reference that could be used as a base for custom implementations

See Also:
Serialized Form

Nested Class Summary
- Nested classes/interfaces inherited from class org.apache.wicket.request.resource.ResourceReference
  org.apache.wicket.request.resource.ResourceReference.Key, org.apache.wicket.request.resource.ResourceReference.UrlAttributes

Field Summary

Fields
Modifier and Type	Field and Description
`static String`	`ASCENDING_DIRECTION`
`static String`	`DATA_RESPONSE_FIELD`
`static String`	`DESCENDING_DIRECTION`
`static String`	`DRAW_PARAMETER`
`static String`	`DRAW_RESPONSE_FIELD`
`static String`	`LENGTH_PARAMETER`
`static String`	`ORDER_0_COLUMN_PARAMETER`
`static String`	`ORDER_0_DIRECTION_PARAMETER`
`static String`	`RECORDS_FILTERED_RESPONSE_FIELD`
`static String`	`RECORDS_TOTAL_RESPONSE_FIELD`
`static String`	`SEARCH_REGEX_PARAMETER`
`static String`	`SEARCH_VALUE_PARAMETER`
`static String`	`START_PARAMETER`

Constructor Summary

Constructors
Constructor and Description
`AbstractVirtualScrollResourceReference(Class<?> scope, String name)`
`AbstractVirtualScrollResourceReference(Class<?> scope, String name, Locale locale, String style, String variation)`
`AbstractVirtualScrollResourceReference(org.apache.wicket.request.resource.ResourceReference.Key key)`
`AbstractVirtualScrollResourceReference(String name)`

Method Summary

Methods
Modifier and Type	Method and Description
`protected String`	`generateResponse(org.apache.wicket.request.mapper.parameter.PageParameters parameters)` Generates the JSON response for infinite scrolling/paging.
`protected abstract org.apache.wicket.markup.repeater.data.IDataProvider<T>`	`getDataProvider(org.apache.wicket.request.mapper.parameter.PageParameters parameters)`
`protected int`	`getDefaultLength()` Sometimes DataTables confuses itself and send NaN as a value for the length parameter.
`protected int`	`getDefaultStart()`
`org.apache.wicket.request.resource.IResource`	`getResource()`
`protected void`	`populateDataJson(org.apache.wicket.ajax.json.JSONObject response, org.apache.wicket.markup.repeater.data.IDataProvider<T> dataProvider)`
`protected abstract void`	`populateEntryJson(org.apache.wicket.ajax.json.JSONObject entryJson, T dataEntry)` A callback method that should populate the JSON object for a single entry in the response

Methods inherited from class org.apache.wicket.request.resource.ResourceReference
canBeRegistered, equals, getDependencies, getExtension, getKey, getLocale, getName, getScope, getStyle, getUrlAttributes, getVariation, hashCode, toString

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

LENGTH_PARAMETER

public static final String LENGTH_PARAMETER

See Also:: Constant Field Values

START_PARAMETER

public static final String START_PARAMETER

See Also:: Constant Field Values

DRAW_PARAMETER

public static final String DRAW_PARAMETER

See Also:: Constant Field Values

ORDER_0_COLUMN_PARAMETER

public static final String ORDER_0_COLUMN_PARAMETER

See Also:: Constant Field Values

ORDER_0_DIRECTION_PARAMETER

public static final String ORDER_0_DIRECTION_PARAMETER

See Also:: Constant Field Values

ASCENDING_DIRECTION

public static final String ASCENDING_DIRECTION

See Also:: Constant Field Values

DESCENDING_DIRECTION

public static final String DESCENDING_DIRECTION

See Also:: Constant Field Values

SEARCH_VALUE_PARAMETER

public static final String SEARCH_VALUE_PARAMETER

See Also:: Constant Field Values

SEARCH_REGEX_PARAMETER

public static final String SEARCH_REGEX_PARAMETER

See Also:: Constant Field Values

RECORDS_TOTAL_RESPONSE_FIELD

public static final String RECORDS_TOTAL_RESPONSE_FIELD

See Also:: Constant Field Values

RECORDS_FILTERED_RESPONSE_FIELD

public static final String RECORDS_FILTERED_RESPONSE_FIELD

See Also:: Constant Field Values

DRAW_RESPONSE_FIELD

public static final String DRAW_RESPONSE_FIELD

See Also:: Constant Field Values

DATA_RESPONSE_FIELD

public static final String DATA_RESPONSE_FIELD

See Also:: Constant Field Values

Constructor Detail

AbstractVirtualScrollResourceReference

public AbstractVirtualScrollResourceReference(org.apache.wicket.request.resource.ResourceReference.Key key)

AbstractVirtualScrollResourceReference

public AbstractVirtualScrollResourceReference(Class<?> scope,
                                      String name,
                                      Locale locale,
                                      String style,
                                      String variation)

AbstractVirtualScrollResourceReference

public AbstractVirtualScrollResourceReference(Class<?> scope,
                                      String name)

AbstractVirtualScrollResourceReference

public AbstractVirtualScrollResourceReference(String name)

Method Detail
- getResource
```
public org.apache.wicket.request.resource.IResource getResource()
```
  Specified by:
  
  getResource in class org.apache.wicket.request.resource.ResourceReference
- generateResponse
```
protected String generateResponse(org.apache.wicket.request.mapper.parameter.PageParameters parameters)
```
  Generates the JSON response for infinite scrolling/paging. See DataTables server side docs.
  
  Parameters:
  parameters - The request parameters
  
  Returns:
- populateDataJson
```
protected void populateDataJson(org.apache.wicket.ajax.json.JSONObject response,
                    org.apache.wicket.markup.repeater.data.IDataProvider<T> dataProvider)
```
- populateEntryJson
```
protected abstract void populateEntryJson(org.apache.wicket.ajax.json.JSONObject entryJson,
                     T dataEntry)
```
  A callback method that should populate the JSON object for a single entry in the response
  
  Parameters:
  entryJson - The JSON object to populate
  dataEntry - The data entry returned by the data provider
- getDataProvider
```
protected abstract org.apache.wicket.markup.repeater.data.IDataProvider<T> getDataProvider(org.apache.wicket.request.mapper.parameter.PageParameters parameters)
```
  Returns:
  The provider of the data for the table
- getDefaultStart
```
protected int getDefaultStart()
```
  Returns:
  A default value for the start request parameter for the cases when DataTables sends non-numeric value, like Nan
- getDefaultLength
```
protected int getDefaultLength()
```
  Sometimes DataTables confuses itself and send NaN as a value for the length parameter.
  
  Returns:
  The default value of length when DataTables cannot calculate a good value for some reason

Class AbstractVirtualScrollResourceReference<T>

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.wicket.request.resource.ResourceReference

Field Summary

Constructor Summary

Method Summary

Methods inherited from class org.apache.wicket.request.resource.ResourceReference

Methods inherited from class java.lang.Object

Field Detail

LENGTH_PARAMETER

START_PARAMETER

DRAW_PARAMETER

ORDER_0_COLUMN_PARAMETER

ORDER_0_DIRECTION_PARAMETER

ASCENDING_DIRECTION

DESCENDING_DIRECTION

SEARCH_VALUE_PARAMETER

SEARCH_REGEX_PARAMETER

RECORDS_TOTAL_RESPONSE_FIELD

RECORDS_FILTERED_RESPONSE_FIELD

DRAW_RESPONSE_FIELD

DATA_RESPONSE_FIELD

Constructor Detail

AbstractVirtualScrollResourceReference

AbstractVirtualScrollResourceReference

AbstractVirtualScrollResourceReference

AbstractVirtualScrollResourceReference

Method Detail

getResource

generateResponse

populateDataJson

populateEntryJson

getDataProvider

getDefaultStart

getDefaultLength