info.magnolia.ui.workbench.tree.drop
Class BaseDropConstraint

java.lang.Object
  info.magnolia.ui.workbench.tree.drop.BaseDropConstraint

All Implemented Interfaces:

DropConstraint

Direct Known Subclasses:

UserDropConstraint

public class BaseDropConstraint
extends Object
implements DropConstraint

Base drop constraint for content apps. Compares node types of source and target nodes.

Constructor Summary

BaseDropConstraint(String nodeType)

Method Summary

boolean	allowedAfter(com.vaadin.data.Item sourceItem, com.vaadin.data.Item targetItem)
boolean	allowedAsChild(com.vaadin.data.Item sourceItem, com.vaadin.data.Item targetItem)
boolean	allowedBefore(com.vaadin.data.Item sourceItem, com.vaadin.data.Item targetItem)
boolean	allowedToMove(com.vaadin.data.Item sourceItem)

Methods inherited from class java.lang.Object

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

Constructor Detail

BaseDropConstraint

public BaseDropConstraint(String nodeType)

Method Detail

allowedAsChild

public boolean allowedAsChild(com.vaadin.data.Item sourceItem,
                              com.vaadin.data.Item targetItem)

Specified by:

allowedAsChild in interface DropConstraint

Parameters:

sourceItem - Moved Item.

targetItem - Target Item .

Returns:

true if the sourceItem is allowed to be set as a child of targetItem.
false otherwise.

allowedBefore

public boolean allowedBefore(com.vaadin.data.Item sourceItem,
                             com.vaadin.data.Item targetItem)

Specified by:

allowedBefore in interface DropConstraint

Parameters:

sourceItem - Moved Item.

targetItem - Target Item .

Returns:

true if the sourceItem is allowed to be put before the targetItem.
false otherwise.

allowedAfter

public boolean allowedAfter(com.vaadin.data.Item sourceItem,
                            com.vaadin.data.Item targetItem)

Specified by:

allowedAfter in interface DropConstraint

Parameters:

sourceItem - Moved Item.

targetItem - Target Item .

Returns:

true if the sourceItem is allowed to be put after the targetItem.
false otherwise.

allowedToMove

public boolean allowedToMove(com.vaadin.data.Item sourceItem)

Specified by:

allowedToMove in interface DropConstraint

Returns:

true if the Item is allowed to be moved
false otherwise.