added upload component

svn changeset:2042/svn branch:trunk

src/com/itmill/toolkit/terminal/gwt/client/DefaultWidgetFactory.java

@@ -29,6 +29,7 @@ import com.itmill.toolkit.terminal.gwt.client.ui.ITextualDate;
 import com.itmill.toolkit.terminal.gwt.client.ui.ITree;
 import com.itmill.toolkit.terminal.gwt.client.ui.ITwinColSelect;
 import com.itmill.toolkit.terminal.gwt.client.ui.IUnknownComponent;
+import com.itmill.toolkit.terminal.gwt.client.ui.IUpload;
 import com.itmill.toolkit.terminal.gwt.client.ui.IView;
 import com.itmill.toolkit.terminal.gwt.client.ui.IWindow;
 
@@ -95,6 +96,8 @@ public class DefaultWidgetFactory implements WidgetFactory {
 			return new ISlider();
 		} else if ("com.itmill.toolkit.terminal.gwt.client.ui.IForm".equals(className)) {
 			return new IForm();
+		} else if ("com.itmill.toolkit.terminal.gwt.client.ui.IUpload".equals(className)) {
+			return new IUpload();
 		}
 		return new IUnknownComponent();
 
@@ -176,6 +179,8 @@ public class DefaultWidgetFactory implements WidgetFactory {
 			return "com.itmill.toolkit.terminal.gwt.client.ui.ISlider";
 		} else if ("form".equals(tag)) {
 			return "com.itmill.toolkit.terminal.gwt.client.ui.IForm";
+		} else if ("upload".equals(tag)) {
+			return "com.itmill.toolkit.terminal.gwt.client.ui.IUpload";
 		}
 
 		return "com.itmill.toolkit.terminal.gwt.client.ui.IUnknownComponent";

src/com/itmill/toolkit/terminal/gwt/client/ui/IUpload.java

@@ -0,0 +1,71 @@
+package com.itmill.toolkit.terminal.gwt.client.ui;
+
+import com.google.gwt.user.client.ui.Button;
+import com.google.gwt.user.client.ui.ClickListener;
+import com.google.gwt.user.client.ui.FileUpload;
+import com.google.gwt.user.client.ui.FlowPanel;
+import com.google.gwt.user.client.ui.FormHandler;
+import com.google.gwt.user.client.ui.FormPanel;
+import com.google.gwt.user.client.ui.FormSubmitCompleteEvent;
+import com.google.gwt.user.client.ui.FormSubmitEvent;
+import com.google.gwt.user.client.ui.Frame;
+import com.google.gwt.user.client.ui.Label;
+import com.google.gwt.user.client.ui.Panel;
+import com.google.gwt.user.client.ui.Widget;
+import com.itmill.toolkit.terminal.gwt.client.ApplicationConnection;
+import com.itmill.toolkit.terminal.gwt.client.Paintable;
+import com.itmill.toolkit.terminal.gwt.client.UIDL;
+
+public class IUpload extends FormPanel implements Paintable, ClickListener {
+	
+	FileUpload fu = new FileUpload();
+	
+	Panel panel = new FlowPanel();
+	
+	ApplicationConnection client;
+
+	private String paintableId;
+
+	private Button b;
+	
+	public IUpload() {
+		super();
+		setEncoding(FormPanel.ENCODING_MULTIPART);
+	    setMethod(FormPanel.METHOD_POST);
+		setWidget(panel);
+		panel.add(new Label("UPLOAD component incomplete"));
+		panel.add(fu);
+		b = new Button("Upload");
+		b.addClickListener(this);
+		panel.add(b);
+		
+	    addFormHandler(new FormHandler() {
+	      public void onSubmitComplete(FormSubmitCompleteEvent event) {
+	    	  if(client != null) {
+	    		  // request update
+	    		  client.sendPendingVariableChanges();
+	    	  }
+	      }
+
+	      public void onSubmit(FormSubmitEvent event) {
+	        if (fu.getFilename().length() == 0) {
+	          event.setCancelled(true);
+	        }
+	      }
+	    });
+	}
+
+	public void updateFromUIDL(UIDL uidl, ApplicationConnection client) {
+		this.client = client;
+		this.paintableId = uidl.getId();
+		if(uidl.hasAttribute("caption"))
+			b.setText(uidl.getStringAttribute("caption"));
+
+	}
+
+	public void onClick(Widget sender) {
+		this.submit();
+	}
+
+	
+}