/**
 * ColumnDragController.java
 *
 * Copyright 2000 Eliad Technologies, Inc. All Rights Reserved.
 *
 * This software is the proprietary information of Eliad Technologies, Inc.
 */
package example10;

import java.util.*;
import java.awt.event.*;
import java.beans.*;
import com.eliad.model.*;
import com.eliad.swing.*;


/**
 * This class is a controller for dragging columns.
 *
 * @author Patrick Mérissert-Coffinières
 * @version 1.0
 */
public class ColumnDragController extends GridAdapter {
  private int pos_;
  public void gridMousePressed(GridEvent e) {
    JSmartGrid grid=(JSmartGrid)e.getSource();
    if (grid.isDraggable(JSmartGrid.HORIZONTAL)) {
      grid.setFirstDraggingItem(JSmartGrid.HORIZONTAL,e.getColumn());
      pos_=((MouseEvent)e.getSourceEvent()).getX();
    }
  }
  public void gridMouseDragged(GridEvent e) {
    JSmartGrid grid=(JSmartGrid)e.getSource();
    if (grid.isDragging(JSmartGrid.HORIZONTAL)) {
      int newpos=((MouseEvent)e.getSourceEvent()).getX();
      grid.setDraggingDistance(JSmartGrid.HORIZONTAL,newpos-pos_);
      int delta=grid.getDraggingDistance(JSmartGrid.HORIZONTAL);
      pos_=newpos-delta;
    }
  }
  public void gridMouseReleased(GridEvent e) {
    JSmartGrid grid=(JSmartGrid)e.getSource();
    if (grid.isDragging(JSmartGrid.HORIZONTAL))
      grid.resetDragging(JSmartGrid.HORIZONTAL);
  }
}