com.levigo.jadice.swing.tool
Class DefaultToolActivationPolicy

java.lang.Object
  com.levigo.jadice.swing.tool.DefaultToolActivationPolicy

All Implemented Interfaces:

ToolActivationPolicy

public class DefaultToolActivationPolicy
extends Object
implements ToolActivationPolicy

A simple and naive tool activation policy activating the first electable tool (if there is one) and electing the first feedback to be provided.

Nested Class Summary

Nested classes/interfaces inherited from interface com.levigo.jadice.swing.tool.ToolActivationPolicy

ToolActivationPolicy.ActivationCandidate

Constructor Summary

DefaultToolActivationPolicy()

Method Summary

ToolActivationPolicy.ActivationCandidate	electActiveTool(List<ToolActivationPolicy.ActivationCandidate> candidates, EditEvent event, ToolManager manager) This method is queried by the given ToolManager instance with a list of candidate Tools to be activated (wrapped as ToolActivationPolicy.ActivationCandidates) in response to a given EditEvent.
ToolActivationPolicy.ActivationCandidate	electFeedback(List<ToolActivationPolicy.ActivationCandidate> candidates, EditEvent event, ToolManager manager) This method is queried by the given ToolManager instance with a list of candidate Tools to be activated (wrapped as ToolActivationPolicy.ActivationCandidates) in response to a given EditEvent.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultToolActivationPolicy

public DefaultToolActivationPolicy()

Method Detail

electActiveTool

public ToolActivationPolicy.ActivationCandidate electActiveTool(List<ToolActivationPolicy.ActivationCandidate> candidates,
                                                                EditEvent event,
                                                                ToolManager manager)

Description copied from interface: ToolActivationPolicy

This method is queried by the given ToolManager instance with a list of candidate Tools to be activated (wrapped as ToolActivationPolicy.ActivationCandidates) in response to a given EditEvent. If the activation policy determines that one of the candidate Tools shall be auto-activated it must return the corresponding Tool.ActivationRequest. If no Tool shall be activated, it must return null.

Specified by:

electActiveTool in interface ToolActivationPolicy

electFeedback

public ToolActivationPolicy.ActivationCandidate electFeedback(List<ToolActivationPolicy.ActivationCandidate> candidates,
                                                              EditEvent event,
                                                              ToolManager manager)

Description copied from interface: ToolActivationPolicy

This method is queried by the given ToolManager instance with a list of candidate Tools to be activated (wrapped as ToolActivationPolicy.ActivationCandidates) in response to a given EditEvent. In contrast to ToolActivationPolicy.electActiveTool(List, EditEvent, ToolManager) this method is called during the feedback phase. If the activation policy determines that one of the candidate tools may become activated upon a subsequent mouse pressed or dragged event, it must return the corresponding Tool.ActivationRequest. Otherwise it must return null.

Specified by:

electFeedback in interface ToolActivationPolicy