/*
 * SmartGWT (GWT for SmartClient)
 * Copyright 2008 and beyond, Isomorphic Software, Inc.
 *
 * SmartGWT is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version 3
 * as published by the Free Software Foundation.  SmartGWT is also
 * available under typical commercial license terms - see
 * http://smartclient.com/license
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 */
 
package com.smartgwt.client.widgets.grid.events;



import com.smartgwt.client.event.*;
import com.smartgwt.client.core.*;
import com.smartgwt.client.types.*;
import com.smartgwt.client.data.*;
import com.smartgwt.client.data.events.*;
import com.smartgwt.client.rpc.*;
import com.smartgwt.client.widgets.*;
import com.smartgwt.client.widgets.events.*;
import com.smartgwt.client.widgets.form.*;
import com.smartgwt.client.widgets.form.validator.*;
import com.smartgwt.client.widgets.form.fields.*;
import com.smartgwt.client.widgets.tile.*;
import com.smartgwt.client.widgets.tile.events.*;
import com.smartgwt.client.widgets.grid.*;
import com.smartgwt.client.widgets.grid.events.*;
import com.smartgwt.client.widgets.layout.*;
import com.smartgwt.client.widgets.menu.*;
import com.smartgwt.client.widgets.tab.*;
import com.smartgwt.client.widgets.toolbar.*;
import com.smartgwt.client.widgets.tree.*;
import com.smartgwt.client.widgets.tree.events.*;
import com.smartgwt.client.widgets.viewer.*;
import com.smartgwt.client.widgets.calendar.*;
import com.smartgwt.client.widgets.calendar.events.*;

import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.HashMap;

import com.google.gwt.user.client.ui.Widget;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.user.client.Element;
import com.smartgwt.client.util.JSOHelper;
import com.smartgwt.client.util.EnumUtil;
import com.google.gwt.event.shared.*;
import com.google.gwt.event.shared.HasHandlers;
public class RecordDropEvent extends BrowserEvent<RecordDropHandler>  implements Cancellable {
    private boolean cancel = false;

  /**
   * Handler type.
   */
  private static Type<RecordDropHandler> TYPE;

  /**
   * Fires a open event on all registered handlers in the handler manager.If no
   * such handlers exist, this method will do nothing.
   *
   * @param <S> The event source
   * @param source the source of the handlers
   * @param jsObj the native event
   */
  public static <S extends HasRecordDropHandlers & HasHandlers> void fire(
      S source, JavaScriptObject jsObj) {
    if (TYPE != null) {
        RecordDropEvent event = new RecordDropEvent(jsObj);
        source.fireEvent(event);
    }
  }

  /**
   * Gets the type associated with this event.
   *
   * @return returns the handler type
   */
  public static Type<RecordDropHandler> getType() {
    if (TYPE == null) {
      TYPE = new Type<RecordDropHandler>();
    }
    return TYPE;
  }


  @Override
  protected void dispatch(RecordDropHandler handler) {
    handler.onRecordDrop(this);
  }

  // Because of type erasure, our static type is
  // wild carded, yet the "real" type should use our I param.

  @SuppressWarnings("unchecked")
  @Override
  public final Type<RecordDropHandler> getAssociatedType() {
    return TYPE;
  }

    public RecordDropEvent(JavaScriptObject jsObj) {
        super(jsObj);
    }


    /**
     * Call this method to cancel the default record drop handling
     */
    public void cancel() {
        cancel = true;
    }

    /**
     * @return true if cancelled
     */
    public boolean isCancelled() {
        return cancel;
    }

    /**
     * records being dropped
     *
     * @return records being dropped
     */
    public  native ListGridRecord[] getDropRecords() /*-{
        var jsObj = this.@com.smartgwt.client.event.AbstractSmartEvent::jsObj;
        return @com.smartgwt.client.widgets.grid.ListGrid::convertToListGridRecordArray(Lcom/google/gwt/core/client/JavaScriptObject;)(jsObj.dropRecords);
    }-*/;

    /**
     * record being dropped on.  May be null
     *
     * @return record being dropped on.  May be null
     */
    public  native ListGridRecord getTargetRecord() /*-{
        var jsObj = this.@com.smartgwt.client.event.AbstractSmartEvent::jsObj;
            var retVal = @com.smartgwt.client.widgets.grid.ListGridRecord::getOrCreateRef(Lcom/google/gwt/core/client/JavaScriptObject;)(jsObj.targetRecord);
            if(retVal == null) {
                retVal = @com.smartgwt.client.widgets.grid.ListGridRecord::new(Lcom/google/gwt/core/client/JavaScriptObject;)(jsObj.targetRecord);
            }
            return retVal;
    }-*/;

    /**
     * index of record being dropped on
     *
     * @return index of record being dropped on
     */
    public  native int getIndex() /*-{
        var jsObj = this.@com.smartgwt.client.event.AbstractSmartEvent::jsObj;
        return jsObj.index;
    }-*/;

    /**
     * widget where dragging began
     *
     * @return widget where dragging began
     */
    public  native Canvas getSourceWidget() /*-{
        var jsObj = this.@com.smartgwt.client.event.AbstractSmartEvent::jsObj;
        var retVal = @com.smartgwt.client.widgets.Canvas::getOrCreateRef(Lcom/google/gwt/core/client/JavaScriptObject;)(jsObj.sourceWidget);
        if(retVal == null) {
            retVal = @com.smartgwt.client.widgets.Canvas::new(Lcom/google/gwt/core/client/JavaScriptObject;)(jsObj.sourceWidget);
        }
        return retVal;
    }-*/;


}