Adding Selection listener to ListGrid (Smart GWT) : Table « GWT « Java






Adding Selection listener to ListGrid (Smart GWT)

Adding Selection listener to ListGrid (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.ListGridFieldType;
import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.ImgProperties;
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.grid.events.SelectionChangedHandler;
import com.smartgwt.client.widgets.grid.events.SelectionEvent;

public class Showcase implements EntryPoint {

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

  public Canvas getViewPanel() {
    Canvas canvas = new Canvas();

    final PartsListGrid mirrorSelectionList = new PartsListGrid();
    mirrorSelectionList.setHeight(160);
    mirrorSelectionList.setEmptyMessage("<br><br>Nothing selected");
    mirrorSelectionList.setLeft(200);

    final PartsListGrid myList1 = new PartsListGrid();
    myList1.setHeight(160);
    myList1.setCanDragSelect(true);
    myList1.setData(getRecords());
    myList1.addSelectionChangedHandler(new SelectionChangedHandler() {
        public void onSelectionChanged(SelectionEvent event) {
            mirrorSelectionList.setData(myList1.getSelection());
        }
    });

    canvas.addChild(myList1);
    canvas.addChild(mirrorSelectionList);

    return canvas;
  }
  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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