Using FileUploadField (Ext GWT) : File Upload « GWT « Java

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Java » GWT » File Upload 




Using FileUploadField (Ext GWT)
Using FileUploadField (Ext GWT)
 

/*
 * Ext GWT - Ext for GWT
 * Copyright(c) 2007-2009, Ext JS, LLC.
 [email protected]
 
 * http://extjs.com/license
 */
 
 
package com.google.gwt.sample.hello.client;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import com.extjs.gxt.ui.client.Style.HorizontalAlignment;
import com.extjs.gxt.ui.client.data.BaseModel;
import com.extjs.gxt.ui.client.event.ButtonEvent;
import com.extjs.gxt.ui.client.event.SelectionListener;
import com.extjs.gxt.ui.client.store.ListStore;
import com.extjs.gxt.ui.client.widget.LayoutContainer;
import com.extjs.gxt.ui.client.widget.MessageBox;
import com.extjs.gxt.ui.client.widget.button.Button;
import com.extjs.gxt.ui.client.widget.form.ComboBox;
import com.extjs.gxt.ui.client.widget.form.FileUploadField;
import com.extjs.gxt.ui.client.widget.form.FormPanel;
import com.extjs.gxt.ui.client.widget.form.TextField;
import com.extjs.gxt.ui.client.widget.form.ComboBox.TriggerAction;
import com.extjs.gxt.ui.client.widget.form.FormPanel.Encoding;
import com.extjs.gxt.ui.client.widget.form.FormPanel.Method;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.user.client.Element;
import com.google.gwt.user.client.ui.RootPanel;

public class Hello implements EntryPoint {
  public void onModuleLoad() {
    RootPanel.get().add(new FileUploadExample());
  }
}
class FileUploadExample extends LayoutContainer {

  @Override
  protected void onRender(Element parent, int index) {
    super.onRender(parent, index);
    setStyleAttribute("margin""10px");

    final FormPanel panel = new FormPanel();
    panel.setHeading("File Upload Example");
    panel.setFrame(true);
    panel.setAction("myurl");
    panel.setEncoding(Encoding.MULTIPART);
    panel.setMethod(Method.POST);
    panel.setButtonAlign(HorizontalAlignment.CENTER);
    panel.setWidth(350);

    TextField<String> name = new TextField<String>();
    name.setFieldLabel("Name");
    panel.add(name);

    FileUploadField file = new FileUploadField();
    file.setAllowBlank(false);
    file.setFieldLabel("File");
    panel.add(file);

    List<Stock> list = getStocks();
    final ListStore<Stock> store = new ListStore<Stock>();
    store.add(list);

    final ComboBox<Stock> combo = new ComboBox<Stock>();
    combo.setFieldLabel("Company");
    combo.setDisplayField("name");
    combo.setName("name");
    combo.setValueField("symbol");
    combo.setForceSelection(true);
    combo.setStore(store);
    combo.setTriggerAction(TriggerAction.ALL);
    panel.add(combo);
    
    Button btn = new Button("Submit");
    btn.addSelectionListener(new SelectionListener<ButtonEvent>() {
    
      @Override
      public void componentSelected(ButtonEvent ce) {
        if (!panel.isValid()) {
          return;
        }
        
        // normally would submit the form but for example no server set up to 
        // handle the post
        // panel.submit();
        
        MessageBox.info("Action""You file was uploaded"null);
      }
    });
    panel.addButton(btn);

    add(panel);
  }
  public static List<Stock> getStocks() {
    List<Stock> stocks = new ArrayList<Stock>();

    stocks.add(new Stock("Apple Inc.""AAPL"125.64123.43));
    stocks.add(new Stock("Cisco Systems, Inc.""CSCO"25.8426.3));
    stocks.add(new Stock("Google Inc.""GOOG"516.2512.6));
    stocks.add(new Stock("Intel Corporation""INTC"21.3621.53));
    stocks.add(new Stock("Level 3 Communications, Inc.""LVLT"5.555.54));
    stocks.add(new Stock("Microsoft Corporation""MSFT"29.5629.72));
    stocks.add(new Stock("Nokia Corporation (ADR)""NOK"27.8327.93));
    stocks.add(new Stock("Oracle Corporation""ORCL"18.7318.98));
    stocks.add(new Stock("Starbucks Corporation""SBUX"27.3327.36));
    stocks.add(new Stock("Yahoo! Inc.""YHOO"26.9727.29));
    stocks.add(new Stock("Applied Materials, Inc.""AMAT"18.418.66));
    stocks.add(new Stock("Comcast Corporation""CMCSA"25.926.4));
    stocks.add(new Stock("Sirius Satellite""SIRI"2.772.74));

    stocks.add(new Stock("Tellabs, Inc.""TLAB"10.6410.75));
    stocks.add(new Stock("eBay Inc.""EBAY"30.4331.21));
    stocks.add(new Stock("Broadcom Corporation""BRCM"30.8830.48));
    stocks.add(new Stock("CMGI Inc.""CMGI"2.142.13));
    stocks.add(new Stock("Amgen, Inc.""AMGN"56.2257.02));
    stocks.add(new Stock("Limelight Networks""LLNW"2322.11));
    stocks.add(new Stock("Amazon.com, Inc.""AMZN"72.4772.23));

    stocks.add(new Stock("E TRADE Financial Corporation""ETFC"24.3224.58));
    stocks.add(new Stock("AVANIR Pharmaceuticals""AVNR"3.73.52));
    stocks.add(new Stock("Gemstar-TV Guide, Inc.""GMST"4.414.55));
    stocks.add(new Stock("Akamai Technologies, Inc.""AKAM"43.0845.32));
    stocks.add(new Stock("Motorola, Inc.""MOT"17.7417.69));
    stocks.add(new Stock("Advanced Micro Devices, Inc.""AMD"13.7713.98));
    stocks.add(new Stock("General Electric Company""GE"36.836.91));
    stocks.add(new Stock("Texas Instruments Incorporated""TXN"35.0235.7));
    stocks.add(new Stock("Qwest Communications""Q"9.910.03));
    stocks.add(new Stock("Tyco International Ltd.""TYC"33.4833.26));
    stocks.add(new Stock("Pfizer Inc.""PFE"26.2126.19));
    stocks.add(new Stock("Time Warner Inc.""TWX"20.320.45));
    stocks.add(new Stock("Sprint Nextel Corporation""S"21.8521.76));
    stocks.add(new Stock("Bank of America Corporation""BAC"49.9249.73));
    stocks.add(new Stock("Taiwan Semiconductor""TSM"10.410.52));
    stocks.add(new Stock("AT&T Inc.""T"39.739.66));
    stocks.add(new Stock("United States Steel Corporation""X"115.81114.62));
    stocks.add(new Stock("Exxon Mobil Corporation""XOM"81.7781.86));
    stocks.add(new Stock("Valero Energy Corporation""VLO"72.4672.6));
    stocks.add(new Stock("Micron Technology, Inc.""MU"12.0212.27));
    stocks.add(new Stock("Verizon Communications Inc.""VZ"42.542.61));
    stocks.add(new Stock("Avaya Inc.""AV"16.9616.96));
    stocks.add(new Stock("The Home Depot, Inc.""HD"37.6637.79));

    stocks.add(new Stock("First Data Corporation""FDC"32.732.65));
    return stocks;

  }
}
class Stock extends BaseModel {

  public Stock() {
  }

  public Stock(String name, String symbol, double open, double last) {
    set("name", name);
    set("symbol", symbol);
    set("open", open);
    set("last", last);
    set("date"new Date());
    set("change", last - open);
  }

  public Stock(String name, double open, double change, double pctChange, Date date, String industry) {
    set("name", name);
    set("open", open);
    set("change", change);
    set("percentChange", pctChange);
    set("date", date);
    set("industry", industry);
  }

  public String getIndustry() {
    return get("industry");
  }

  public void setIndustry(String industry) {
    set("industry", industry);
  }

  public Date getLastTrans() {
    return (Dateget("date");
  }

  public String getName() {
    return (Stringget("name");
  }

  public String getSymbol() {
    return (Stringget("symbol");
  }

  public double getOpen() {
    Double open = (Doubleget("open");
    return open.doubleValue();
  }

  public double getLast() {
    Double open = (Doubleget("last");
    return open.doubleValue();
  }

  public double getChange() {
    return getLast() - getOpen();
  }

  public double getPercentChange() {
    return getChange() / getOpen();
  }

  public String toString() {
    return getName();
  }

}

   
  














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