Grid Record Remove Sample (Smart GWT) : Table Editor « GWT « Java

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Java » GWT » Table EditorScreenshots 
Grid Record Remove Sample (Smart GWT)
Grid Record Remove Sample (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 java.util.Date;

import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.user.client.ui.RootPanel;
import com.smartgwt.client.data.DSRequest;
import com.smartgwt.client.data.DataSource;
import com.smartgwt.client.data.fields.DataSourceBooleanField;
import com.smartgwt.client.data.fields.DataSourceDateField;
import com.smartgwt.client.data.fields.DataSourceEnumField;
import com.smartgwt.client.data.fields.DataSourceFloatField;
import com.smartgwt.client.data.fields.DataSourceIntegerField;
import com.smartgwt.client.data.fields.DataSourceTextField;
import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.IButton;
import com.smartgwt.client.widgets.Label;
import com.smartgwt.client.widgets.events.ClickEvent;
import com.smartgwt.client.widgets.events.ClickHandler;
import com.smartgwt.client.widgets.form.DynamicForm;
import com.smartgwt.client.widgets.form.validator.FloatPrecisionValidator;
import com.smartgwt.client.widgets.form.validator.FloatRangeValidator;
import com.smartgwt.client.widgets.grid.ListGrid;
import com.smartgwt.client.widgets.grid.ListGridRecord;
import com.smartgwt.client.widgets.grid.events.RecordClickEvent;
import com.smartgwt.client.widgets.grid.events.RecordClickHandler;
import com.smartgwt.client.widgets.layout.VLayout;

public class Showcase implements EntryPoint {
  public void onModuleLoad() {

    RootPanel.get().add(getViewPanel());
  }

  public Canvas getViewPanel() {

    VLayout layout = new VLayout(15);

    Label label = new Label();
    label.setHeight(10);
    label.setWidth100();
    label.setContents("Showing items in Category 'Rollfix Glue");
    layout.addMember(label);

    final DataSource dataSource = ItemSupplyLocalDS.getInstance();

    final ListGrid listGrid = new ListGrid();
    listGrid.setWidth100();
    listGrid.setHeight(200);
    listGrid.setDataSource(dataSource);
    listGrid.setAutoFetchData(true);

    layout.addMember(listGrid);

    IButton button = new IButton("Remove");
    button.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
            listGrid.removeSelectedData();
        }
    });
    layout.addMember(button);

    return layout;


  }

}

class ItemSupplyLocalDS extends DataSource {

  private static ItemSupplyLocalDS instance = null;

  public static ItemSupplyLocalDS getInstance() {
    if (instance == null) {
      instance = new ItemSupplyLocalDS("supplyItemLocalDS");
    }
    return instance;
  }

  public ItemSupplyLocalDS(String id) {

    setID(id);
    DataSourceIntegerField pkField = new DataSourceIntegerField("itemID");
    pkField.setHidden(true);
    pkField.setPrimaryKey(true);

    DataSourceTextField itemNameField = new DataSourceTextField("itemName""Item Name"128true);
    DataSourceTextField skuField = new DataSourceTextField("SKU""SKU"10true);

    DataSourceTextField descriptionField = new DataSourceTextField("description""Description",
        2000);
    DataSourceTextField categoryField = new DataSourceTextField("category""Category"128true);
    categoryField.setForeignKey("supplyCategory.categoryName");

    DataSourceEnumField unitsField = new DataSourceEnumField("units""Units"5);
    unitsField.setValueMap("Roll""Ea""Pkt""Set""Tube""Pad""Ream""Tin""Bag""Ctn",
        "Box");

    DataSourceFloatField unitCostField = new DataSourceFloatField("unitCost""Unit Cost"5);
    FloatRangeValidator rangeValidator = new FloatRangeValidator();
    rangeValidator.setMin(0);
    rangeValidator.setErrorMessage("Please enter a valid (positive) cost");

    FloatPrecisionValidator precisionValidator = new FloatPrecisionValidator();
    precisionValidator.setPrecision(2);
    precisionValidator.setErrorMessage("The maximum allowed precision is 2");

    unitCostField.setValidators(rangeValidator, precisionValidator);

    DataSourceBooleanField inStockField = new DataSourceBooleanField("inStock""In Stock");

    DataSourceDateField nextShipmentField = new DataSourceDateField("nextShipment""Next Shipment");

    setFields(pkField, itemNameField, skuField, descriptionField, categoryField, unitsField,
        unitCostField, inStockField, nextShipmentField);

    setClientOnly(true);
    setTestData(ItemData.getRecords());
  }

  protected Object transformRequest(DSRequest dsRequest) {
    return super.transformRequest(dsRequest);
  }
}

class ItemData {

  private static ItemRecord[] records;

  public static ItemRecord[] getRecords() {
    if (records == null) {
      records = getNewRecords();
    }
    return records;
  }

  public static ItemRecord[] getNewRecords() {
    return new ItemRecord[] {
        new ItemRecord(
            1,
            "Glue Pelikan Roll-fix Permanent #950",
            "1088300",
            "A clean no-drips, no brush roll-on glue. Will not dry out. Suitable for artwork, photos or posters. Glue cartridges are 12 metres long. Refillable.",
            "Rollfix Glue""Ea"6.96, null, null),
        new ItemRecord(2"Glue Pelikan Roll-fix Refill Permanent #955""1089400", null,
            "Rollfix Glue""Ea"3.73, null, null),
        new ItemRecord(3"Glue Pelikan Roll-fix Non Permanent #960""1090500", null,
            "Rollfix Glue""Ea"6.96, null, null),
        new ItemRecord(4"Glue Pelikan Roll-fix Refill Non Permanent #965""1091600", null,
            "Rollfix Glue""Ea"3.73, null, null) };
  }
}

class ItemRecord extends ListGridRecord {

  public ItemRecord() {
  }

  public ItemRecord(int itemID, String item, String sku, String description, String category,
      String units, Double unitCost, Boolean inStock, Date nextShipment) {
    setItemID(itemID);
    setItemName(item);
    setSKU(sku);
    setDescription(description);
    setCategory(category);
    setUnits(units);
    setUnitCost(unitCost);
    setInStock(inStock);
    setNextShipment(nextShipment);
  }

  /**
   * Set the itemID.
   
   @param itemID
   *          the itemID
   */
  public void setItemID(int itemID) {
    setAttribute("itemID", itemID);
  }

  /**
   * Return the itemID.
   
   @return the itemID
   */
  public int getItemID() {
    return getAttributeAsInt("itemID");
  }

  /**
   * Set the item.
   
   @param item
   *          the item
   */
  public void setItemName(String item) {
    setAttribute("itemName", item);
  }

  /**
   * Return the item.
   
   @return the item
   */
  public String getItemName() {
    return getAttribute("itemName");
  }

  /**
   * Set the SKU.
   
   @param SKU
   *          the SKU
   */
  public void setSKU(String SKU) {
    setAttribute("SKU", SKU);
  }

  /**
   * Return the SKU.
   
   @return the SKU
   */
  public String getSKU() {
    return getAttribute("SKU");
  }

  /**
   * Set the description.
   
   @param description
   *          the description
   */
  public void setDescription(String description) {
    setAttribute("description", description);
  }

  /**
   * Return the description.
   
   @return the description
   */
  public String getDescription() {
    return getAttribute("description");
  }

  /**
   * Set the category.
   
   @param category
   *          the category
   */
  public void setCategory(String category) {
    setAttribute("category", category);
  }

  /**
   * Return the category.
   
   @return the category
   */
  public String getCategory() {
    return getAttribute("category");
  }

  /**
   * Set the units.
   
   @param units
   *          the units
   */
  public void setUnits(String units) {
    setAttribute("units", units);
  }

  /**
   * Return the units.
   
   @return the units
   */
  public String getUnits() {
    return getAttribute("units");
  }

  /**
   * Set the unitCost.
   
   @param unitCost
   *          the unitCost
   */
  public void setUnitCost(Double unitCost) {
    setAttribute("unitCost", unitCost);
  }

  /**
   * Return the unitCost.
   
   @return the unitCost
   */
  public Float getUnitCost() {
    return getAttributeAsFloat("unitCost");
  }

  /**
   * Set the inStock.
   
   @param inStock
   *          the inStock
   */
  public void setInStock(Boolean inStock) {
    setAttribute("inStock", inStock);
  }

  /**
   * Return the inStock.
   
   @return the inStock
   */
  public Boolean getInStock() {
    return getAttributeAsBoolean("inStock");
  }

  /**
   * Set the nextShipment.
   
   @param nextShipment
   *          the nextShipment
   */
  public void setNextShipment(Date nextShipment) {
    setAttribute("nextShipment", nextShipment);
  }

  /**
   * Return the nextShipment.
   
   @return the nextShipment
   */
  public Date getNextShipment() {
    return getAttributeAsDate("nextShipment");
  }

}

   
    
    
  
SmartGWT.zip( 9,880 k)
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