com.cedarsoft.spring.rcp.hierarchy.AbstractHierarchyLayer Maven / Gradle / Ivy

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package com.cedarsoft.spring.rcp.hierarchy;

import com.cedarsoft.lookup.DynamicLookup;
import com.cedarsoft.lookup.Lookup;
import com.cedarsoft.utils.CachingChildDetector;
import com.cedarsoft.utils.ChildDetector;
import com.cedarsoft.utils.Renderer;
import org.jetbrains.annotations.NotNull;

/**
 *
 */
public abstract class AbstractHierarchyLayer implements HierarchyLayer {
  @NotNull
  private final DynamicLookup lookup = new DynamicLookup();

  protected void registerChildDetector( @NotNull ChildDetector childDetector ) {
    lookup.addValue( childDetector );
  }

  protected void registerRenderer( @NotNull Renderer renderer ) {
    lookup.addValue( renderer );
  }

  protected void registerDetailsComponentProvider( @NotNull DetailsProvider provider ) {
    lookup.addValue( provider );
  }

  protected void registerTitleComponentProvider( @NotNull TitleProvider provider ) {
    lookup.addValue( provider );
  }

  @Override
  @NotNull
  public Lookup getLookup() {
    return lookup;
  }

  @Override
  public void handleModified( @NotNull Object parent ) {
    ChildDetector detector = lookup.lookup( ChildDetector.class );
    if ( detector != null ) {
      if ( detector instanceof CachingChildDetector ) {
        ( ( CachingChildDetector ) detector ).handleModified( parent );
      }
    }
  }
}