package org.argeo.cms.ui;
   
   import java.io.InputStream;
   
   import javax.jcr.Binary;
   import javax.jcr.Node;
   import javax.jcr.RepositoryException;
   
   import org.eclipse.swt.graphics.Image;
  import org.eclipse.swt.graphics.Point;
  import org.eclipse.swt.widgets.Control;
  
  /** Read and write access to images. */
  public interface CmsImageManager {
  	/** Load image in control */
  	public Boolean load(Node node, Control control, Point size) throws RepositoryException;
  
  	/** @return (0,0) if not available */
  	public Point getImageSize(Node node) throws RepositoryException;
  
  	/**
  	 * The related <img> tag, with src, width and height set.
  	 * 
  	 * @return null if not available
  	 */
  	public String getImageTag(Node node) throws RepositoryException;
  
  	/**
  	 * The related <img> tag, with url, width and height set. Caller must
  	 * close the tag (or add additional attributes).
  	 * 
  	 * @return null if not available
  	 */
  	public StringBuilder getImageTagBuilder(Node node, Point size) throws RepositoryException;
  
  	/**
  	 * Returns the remotely accessible URL of the image (registering it if
  	 * needed) @return null if not available
  	 */
  	public String getImageUrl(Node node) throws RepositoryException;
  
  	public Binary getImageBinary(Node node) throws RepositoryException;
  
  	public Image getSwtImage(Node node) throws RepositoryException;
  
  	/** @return URL */
  	public String uploadImage(Node parentNode, String fileName, InputStream in) throws RepositoryException;
  }