HelpDialog.patch

--- /dev/null
+++ src/main/java/com/lushprojects/circuitjs1/client/HelpDialog.java
@@ -0,0 +1,104 @@
+/*    
+    Copyright (C) Paul Falstad, Iain Sharp and Usevalad Khatkevich
+    
+    This file is part of CircuitJS1.
+
+    CircuitJS1 is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 2 of the License, or
+    (at your option) any later version.
+
+    CircuitJS1 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with CircuitJS1.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package com.lushprojects.circuitjs1.client;
+
+import com.google.gwt.event.dom.client.ClickEvent;
+import com.google.gwt.event.dom.client.ClickHandler;
+import com.google.gwt.user.client.ui.DialogBox;
+import com.google.gwt.user.client.ui.VerticalPanel;
+import com.google.gwt.user.client.ui.HorizontalPanel;
+import com.google.gwt.user.client.ui.HTML;
+import com.google.gwt.user.client.ui.HasHorizontalAlignment;
+import com.google.gwt.user.client.ui.Button;
+import com.google.gwt.user.client.ui.TabPanel;
+import com.lushprojects.circuitjs1.client.util.Locale;
+
+public class HelpDialog extends DialogBox {
+	
+    HorizontalPanel hp;
+	VerticalPanel vp;
+	Button okButton;
+	VerticalPanel vpEN;
+	VerticalPanel vpRU;
+	VerticalPanel vpPL;
+	VerticalPanel vpDE;
+	VerticalPanel vpDA;
+	
+	HelpDialog() {
+		super();
+		vp = new VerticalPanel();
+		setWidget(vp);
+		setText(Locale.LS("Help"));
+	
+		TabPanel tp = new TabPanel();
+		vp.add(tp);
+		String tab1Title = "EN";
+		String tab2Title = "RU";
+		//String tab3Title = "PL";
+		//String tab4Title = "DE";
+		//String tab5Title = "DA";
+
+		//create tabs 
+		tp.add(vpEN = new VerticalPanel(), tab1Title);
+		vpEN.setWidth("500px");
+		vpEN.add(new HTML("<iframe style=\"border:0;\" src=\"help/EN.html\" width=\"500\" height=\"400\" scrolling=\"auto\" frameborder=\"1\"></iframe>"));
+		
+		tp.add(vpRU = new VerticalPanel(), tab2Title);
+		vpRU.setWidth("500px");
+		vpRU.add(new HTML("<iframe style=\"border:0;\" src=\"help/RU.html\" width=\"500\" height=\"400\" scrolling=\"auto\" frameborder=\"1\"></iframe>"));
+/*
+		tp.add(vpPL = new VerticalPanel(), tab3Title);
+		vpPL.setWidth("500px");
+		vpPL.add(new HTML("<iframe style=\"border:0;\" src=\"help/PL.html\" width=\"500\" height=\"400\" scrolling=\"auto\" frameborder=\"1\"></iframe>"));
+
+		tp.add(vpDE = new VerticalPanel(), tab4Title);
+		vpDE.setWidth("500px");
+		vpDE.add(new HTML("<iframe style=\"border:0;\" src=\"help/DE.html\" width=\"500\" height=\"400\" scrolling=\"auto\" frameborder=\"1\"></iframe>"));
+
+		tp.add(vpDA = new VerticalPanel(), tab5Title);
+		vpDA.setWidth("500px");
+		vpDA.add(new HTML("<iframe style=\"border:0;\" src=\"help/DA.html\" width=\"500\" height=\"400\" scrolling=\"auto\" frameborder=\"1\"></iframe>"));
+*/
+		HorizontalPanel hp = new HorizontalPanel();
+		hp.setWidth("100%");
+		hp.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_LEFT);
+		hp.setStyleName("topSpace");
+		
+		//select first tab
+		tp.selectTab(0);
+
+		//set width if tabpanel
+		tp.setWidth("500");
+		
+		vp.add(hp);
+		hp.add(okButton = new Button("OK"));
+		okButton.addClickHandler(new ClickHandler() {
+			public void onClick(ClickEvent event) {
+				closeDialog();
+			}
+		});
+		center();
+		show();
+	}
+
+	protected void closeDialog() {
+		hide();
+	}
+}