package org.vaadin.aceeditor.client;
   
   import org.vaadin.aceeditor.client.TransportDoc.TransportMarker;
   
   
   
   /**
    * 
    * Ace marker.
   * 
   * The cssClass must be defined in some css file. Example:
   * 
   * .ace_marker-layer .mymarker1 {
   *		background: red;
   *  	border-bottom: 2px solid black;
   *  	position: absolute;
   *  }
   *
   */
  public class AceMarker {
  	
  	/**
  	 * 
  	 * Ace Marker type.
  	 *
  	 */
  	public enum Type {
  		line,
  		text
  	}
  	
  	/**
  	 * What to do with the marker when the text changes.
  	 * 
  	 * By default, Ace just keeps the marker in its place (DEFAULT).
  	 * Alternatively, you can set the marker to ADJUST to text insertion/deletion.
  	 * Or, you can set the marker to be REMOVE'd on text change.
  	 *
  	 */
  	public enum OnTextChange {
  		/**
  		 * Keep the marker in its place.
  		 */
  		DEFAULT,
  		/**
  		 * Adjust the marker based on text insertion/deletion.
  		 */
  		ADJUST,
  		/**
  		 * Remove the marker when text changes.
  		 */
  		REMOVE
  	}
  	
  	private final String markerId;
  	private final AceRange range;
  	private final OnTextChange onChange;
  	private final String cssClass;
  	private final Type type;
  	private final boolean inFront;
  	
  	
  	
  	
  	
  	public AceMarker(String markerId, AceRange range, String cssClass, Type type, boolean inFront, OnTextChange onChange) {
  		this.markerId = markerId;
  		this.range = range.isBackwards() ? range.reversed() : range;
  		this.cssClass = cssClass;
  		this.type = type;
  		this.inFront = inFront;
  		this.onChange = onChange;
  	}
  
  	@Override
  	public boolean equals(Object o) {
  		if (o instanceof AceMarker) {
  			AceMarker om = (AceMarker)o;
  			return markerId.equals(om.markerId) && range.equals(om.range) && onChange.equals(om.onChange) &&
  					cssClass.equals(om.cssClass) && type.equals(om.type) && inFront==om.inFront;
  		}
  		return false;
  	}
  	@Override
  	public int hashCode() {
  		return range.hashCode(); // ?
  	}
  
  	@Override
  	public String toString() {
  		return "("+range+";"+cssClass+";"+type+";"+inFront+")";
  	}
  
  
  
  //	@Override
  //	public int compareTo(AceMarker other) {
  //		if (range.row1 < other.range.row1) {
  //			return -1;
 //		}
 //		if (range.row1 > other.range.row1) {
 //			return 1;
 //		}
 //		if (range.col1 < other.range.col1) {
 //			return -1;
 //		}
 //		if (range.col1 > other.range.col1) {
 //			return 1;
 //		}
 //		return 0;
 //	}
 	
 	public TransportMarker asTransport() {
 		TransportMarker tm = new TransportMarker();
 		tm.markerId = markerId;
 		tm.range = range.asTransport();
 		tm.cssClass = cssClass;
 		tm.type = type.toString();
 		tm.inFront = inFront;
 		tm.onChange = onChange.toString();
 		return tm;
 	}
 
 
 
 	public String getMarkerId() {
 		return markerId;
 	}
 
 	public static AceMarker fromTransport(TransportMarker im) {
 		return new AceMarker(im.markerId, AceRange.fromTransport(im.range),
 				im.cssClass, Type.valueOf(im.type), im.inFront, OnTextChange.valueOf(im.onChange));
 	}
 
 	public AceRange getRange() {
 		return range;
 	}
 	
 	public OnTextChange getOnChange() {
 		return onChange;
 	}
 
 	public String getCssClass() {
 		return cssClass;
 	}
 
 	public Type getType() {
 		return type;
 	}
 
 	public boolean isInFront() {
 		return inFront;
 	}
 
 	public AceMarker withNewPosition(AceRange newRange) {
 		return new AceMarker(markerId, newRange, cssClass, type, inFront, onChange);
 	}
 }