Source Code : Drag and move back and forth (Smart GWT)

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Drag and move back and forth (Smart GWT)

   
/*
 * 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.sample.showcase.client;

import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.user.client.ui.RootPanel;
import com.smartgwt.client.types.Alignment;
import com.smartgwt.client.types.DragDataAction;
import com.smartgwt.client.types.ListGridFieldType;
import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.Img;
import com.smartgwt.client.widgets.ImgProperties;
import com.smartgwt.client.widgets.events.ClickEvent;
import com.smartgwt.client.widgets.events.ClickHandler;
import com.smartgwt.client.widgets.grid.ListGrid;
import com.smartgwt.client.widgets.grid.ListGridField;
import com.smartgwt.client.widgets.grid.ListGridRecord;
import com.smartgwt.client.widgets.layout.HStack;
import com.smartgwt.client.widgets.layout.VStack;

public class Showcase implements EntryPoint {

  public void onModuleLoad() {
    RootPanel.get().add(getViewPanel());
  }

  public Canvas getViewPanel() {
    HStack hStack = new HStack(10);
    hStack.setHeight(160);

    final PartsListGrid myList1 = new PartsListGrid();
    myList1.setCanDragRecordsOut(true);
    myList1.setCanAcceptDroppedRecords(true);
    myList1.setCanReorderFields(true);
    myList1.setDragDataAction(DragDataAction.MOVE);
    myList1.setData(getRecords());
    hStack.addMember(myList1);

    final PartsListGrid myList2 = new PartsListGrid();
    myList2.setCanDragRecordsOut(true);
    myList2.setCanAcceptDroppedRecords(true);
    myList2.setCanReorderRecords(true);

    VStack vStack = new VStack(10);
    vStack.setWidth(32);
    vStack.setHeight(74);
    vStack.setLayoutAlign(Alignment.CENTER);

    Img rightImg = new Img("icons/32/arrow_right.png", 32, 32);
    rightImg.setLayoutAlign(Alignment.CENTER);
    rightImg.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
            myList2.transferSelectedData(myList1);
        }
    });
    vStack.addMember(rightImg);

    Img leftImg = new Img("icons/32/arrow_left.png", 32, 32);
    leftImg.setLayoutAlign(Alignment.CENTER);
    leftImg.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
            myList1.transferSelectedData(myList2);
        }
    });
    vStack.addMember(leftImg);

    hStack.addMember(vStack);
    hStack.addMember(myList2);

    return hStack;
  }
  public PartRecord[] getRecords() {
    return new PartRecord[]{
            new PartRecord("Blue", "cube_blue.png", 1),
            new PartRecord("Yellow", "cube_yellow.png", 2),
            new PartRecord("Green", "cube_green.png", 3),
            new PartRecord("Blue", "cube_blue.png", 4),
            new PartRecord("Yellow", "cube_yellow.png", 5),
            new PartRecord("Green", "cube_green.png", 6),
            new PartRecord("Blue", "cube_blue.png", 7),
            new PartRecord("Yellow", "cube_yellow.png", 8),
            new PartRecord("Green", "cube_green.png", 9),
    };
}
}
class PartRecord extends ListGridRecord {

  public PartRecord() {
  }

  public PartRecord(String partName, String partSrc, int partNum) {
      setPartName(partName);
      setPartSrc(partSrc);
      setPartNum(partNum);
  }

  public void setPartName(String partName) {
      setAttribute("partName", partName);
  }

  public void setPartSrc(String partSrc) {
      setAttribute("partSrc", partSrc);
  }

  public void setPartNum(int partNum) {
      setAttribute("partNum", partNum);
  }
}

class PartsListGrid extends ListGrid {

  PartsListGrid() {
      setWidth(150);
      setCellHeight(24);
      setImageSize(16);
      setShowEdges(true);
      setBorder("0px");
      setBodyStyleName("normal");
      setAlternateRecordStyles(true);
      setShowHeader(false);
      setLeaveScrollbarGap(false);
      setEmptyMessage("<br><br>Drag &amp; drop parts here");

      ListGridField partSrcField = new ListGridField("partSrc", 24);
      partSrcField.setType(ListGridFieldType.IMAGE);
      partSrcField.setImgDir("pieces/16/");

      ListGridField partNameField = new ListGridField("partName");
      ListGridField partNumField = new ListGridField("partNum", 20);

      setFields(partSrcField, partNameField, partNumField);

      setTrackerImage(new ImgProperties("pieces/24/cubes_all.png", 24, 24));
  }
}

   
    
    
  

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