package org.argeo.connect.ui.parts;
   
   import javax.jcr.Node;
   
   import org.argeo.cms.ui.eclipse.forms.AbstractFormPart;
   import org.argeo.cms.util.CmsUtils;
   import org.argeo.connect.ui.ConnectEditor;
   import org.eclipse.swt.widgets.Composite;
   
  /**
   * Extends the usual Abstract form part to ease the management of panel that
   * must totally be redrawn on each refresh, typically to display different
   * layouts depending on the linked editor state
   */
  public abstract class AbstractPanelFormPart extends AbstractFormPart {
  
  	private ConnectEditor editor;
  	private Boolean isEditing;
  	private final Composite parent;
  	private final Node entity;
  
  	public AbstractPanelFormPart(Composite parent, ConnectEditor editor, Node entity) {
  		this.parent = parent;
  		this.entity = entity;
  		this.editor = editor;
  	}
  
  	@Override
  	public void refresh() {
  		super.refresh();
  		if (parent == null || parent.isDisposed())
  			return;
  		// if (editor == null)
  		// editor = ((ConnectManagedForm) getManagedForm()).getEditor();
  
  		if ((isEditing == null) || isEditing != editor.isEditing()) {
  			isEditing = editor.isEditing();
  			CmsUtils.clear(parent);
  			reCreateChildComposite(parent, entity);
  			parent.layout();
  		} else
  			refreshContent(parent, entity);
  	}
  
  	protected boolean isEditing() {
  		return isEditing;
  	}
  
  	abstract protected void reCreateChildComposite(Composite parent, Node entity);
  
  	abstract protected void refreshContent(Composite parent, Node entity);
  }