IDEMPIERE-669 Zk: User Feedback Service. Added shortcut key ( ctrl+u for request, alt+u for email ) support. Added auto screen capture support ( tested on firefox and chrome, doesn't work for report and iframe ).

org.adempiere.ui.zk/WEB-INF/src/metainfo/zk/lang-addon.xml

@@ -41,6 +41,7 @@ Copyright (C) 2007 Ashley G Ramdass (ADempiere WebUI).
 	<javascript src="/js/jquery-patch.js" charset="UTF-8"/>
 	<javascript src="/js/jquery.slimscroll.min.js" charset="UTF-8"/>
 	<javascript src="/js/jquery-ui-1.10.1.min.js" charset="UTF-8"/>
+	<javascript src="/js/html2canvas.js" charset="UTF-8"/>
 
 	<javascript package="jawwa.atmosphere" merge="false" />
 	

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/AdempiereWebUI.java

@@ -235,7 +235,7 @@ public class AdempiereWebUI extends Window implements EventListener<Event>, IWeb
 
 		keyListener = new Keylistener();
 		keyListener.setPage(this.getPage());
-		keyListener.setCtrlKeys("@a@c@d@e@f@h@n@o@p@r@s@t@z@x@#left@#right@#up@#down@#home@#end#enter");
+		keyListener.setCtrlKeys("@a@c@d@e@f@h@n@o@p@r@s@t@z@x@#left@#right@#up@#down@#home@#end#enter^u@u");
 		keyListener.setAutoBlur(false);
 		
 		IDesktop d = (IDesktop) currSess.getAttribute(APPLICATION_DESKTOP_KEY);

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/apps/FeedbackRequestWindow.java

@@ -284,15 +284,15 @@ public class FeedbackRequestWindow extends Window implements EventListener<Event
 				ByteArrayDataSource dataSource = new ByteArrayDataSource(data, media.getContentType());
 				dataSource.setName(media.getName());
 				addAttachment(dataSource, true);			    
-			    getFirstChild().invalidate();
 			}
 		}
 	}
 
-	private void addAttachment(DataSource dataSource, boolean removable) {
+	public void addAttachment(DataSource dataSource, boolean removable) {
 		attachments.add(dataSource);
 		AttachmentItem item = new AttachmentItem(dataSource, attachments, removable);
 		attachmentBox.appendChild(item);
+		getFirstChild().invalidate();
 	}
 	
 	private byte[] getMediaData(Media media) {

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/factory/DefaultFeedbackService.java

@@ -14,17 +14,24 @@
 package org.adempiere.webui.factory;
 
 import javax.activation.DataSource;
+import javax.xml.bind.DatatypeConverter;
 
 import org.adempiere.webui.apps.AEnv;
 import org.adempiere.webui.apps.FeedbackRequestWindow;
 import org.adempiere.webui.component.Window;
+import org.adempiere.webui.session.SessionManager;
 import org.adempiere.webui.util.FeedbackManager;
 import org.adempiere.webui.window.WEMailDialog;
 import org.compiere.model.MSystem;
 import org.compiere.model.MUser;
+import org.compiere.util.ByteArrayDataSource;
 import org.compiere.util.Env;
 import org.compiere.util.Msg;
 import org.compiere.util.Util;
+import org.zkoss.zk.au.out.AuScript;
+import org.zkoss.zk.ui.event.Event;
+import org.zkoss.zk.ui.event.EventListener;
+import org.zkoss.zk.ui.util.Clients;
 import org.zkoss.zul.Window.Mode;
 
 /**
@@ -44,6 +51,52 @@ public class DefaultFeedbackService implements IFeedbackService {
 	 */
 	@Override
 	public void emailSupport(boolean errorOnly) {
+		new EmailSupportAction(errorOnly);
+	}
+
+	/* (non-Javadoc)
+	 * @see org.adempiere.webui.factory.IFeedbackService#createNewRequest()
+	 */
+	@Override
+	public void createNewRequest() {
+		new CreateNewRequestAction();
+	}
+
+	private static class EmailSupportAction implements EventListener<Event>{
+
+		private boolean errorOnly;
+		
+		protected EmailSupportAction(boolean errorOnly) {
+			this.errorOnly = errorOnly;
+			SessionManager.getAppDesktop().getComponent().addEventListener("onEmailSupport", this);
+			
+			String script = "html2canvas(document.body, { onrendered: function(canvas) " +
+					"{ var dataUrl = canvas.toDataURL();" +
+					"  var widget = zk.Widget.$('#" + SessionManager.getAppDesktop().getComponent().getUuid()+"');"+
+		    		"  var event = new zk.Event(widget, 'onEmailSupport', dataUrl, {toServer: true});" +
+		    		"  zAu.send(event); } " +
+		    		"});";
+			Clients.response(new AuScript(script));
+		}
+		
+		@Override
+		public void onEvent(Event event) throws Exception {
+			SessionManager.getAppDesktop().getComponent().removeEventListener("onEmailSupport", this);
+			String dataUrl = (String) event.getData();
+			byte[] imageBytes = null;
+			if (dataUrl != null && dataUrl.startsWith("data:image/png;base64,"))
+			{
+				try {
+		            // remove data:image/png;base64, and then take rest sting
+		            String img64 = dataUrl.substring("data:image/png;base64,".length()).trim();
+			        imageBytes = DatatypeConverter.parseBase64Binary(img64 );			        
+			    } catch(Exception e) {  			              
+			    }
+			}
+			showEmailDialog(imageBytes);
+		}
+		
+		private void showEmailDialog(byte[] imageBytes) {
 			DataSource ds = FeedbackManager.getLogAttachment(errorOnly);
 			
 			WEMailDialog dialog = new WEMailDialog(
@@ -60,18 +113,55 @@ public class DefaultFeedbackService implements IFeedbackService {
 				dialog.addTo(system.getSupportEMail(), true);
 			}
 			AEnv.showWindow(dialog);
+			if (imageBytes != null && imageBytes.length > 0) {
+				ByteArrayDataSource screenShot = new ByteArrayDataSource(imageBytes, "image/png");
+				screenShot.setName("screenshot.png");
+				dialog.addAttachment(screenShot, true);
+			}
 			dialog.focus();
-
+		}
+	}
+	
+	private static class CreateNewRequestAction implements EventListener<Event>{
+		protected CreateNewRequestAction() {
+			SessionManager.getAppDesktop().getComponent().addEventListener("onCreateFeedbackRequest", this);
+			
+			String script = "html2canvas(document.body, { onrendered: function(canvas) " +
+					"{ var dataUrl = canvas.toDataURL();" +
+					"  var widget = zk.Widget.$('#" + SessionManager.getAppDesktop().getComponent().getUuid()+"');"+
+		    		"  var event = new zk.Event(widget, 'onCreateFeedbackRequest', dataUrl, {toServer: true});" +
+		    		"  zAu.send(event); } " +
+		    		"});";
+			Clients.response(new AuScript(script));
 		}
 		
-	/* (non-Javadoc)
-	 * @see org.adempiere.webui.factory.IFeedbackService#createNewRequest()
-	 */
 		@Override
-	public void createNewRequest() {
+		public void onEvent(Event event) throws Exception {
+			SessionManager.getAppDesktop().getComponent().removeEventListener("onCreateFeedbackRequest", this);
+			String dataUrl = (String) event.getData();
+			byte[] imageBytes = null;
+			if (dataUrl != null && dataUrl.startsWith("data:image/png;base64,"))
+			{
+				try {
+		            // remove data:image/png;base64, and then take rest sting
+		            String img64 = dataUrl.substring("data:image/png;base64,".length()).trim();
+			        imageBytes = DatatypeConverter.parseBase64Binary(img64 );			        
+			    } catch(Exception e) {  			              
+			    }
+			}
+			showRequestDialog(imageBytes);
+		}
+		
+		private void showRequestDialog(byte[] imageBytes) {
 			FeedbackRequestWindow window = new FeedbackRequestWindow();
 			AEnv.showWindow(window);
+			
+			if (imageBytes != null && imageBytes.length > 0) {
+				ByteArrayDataSource screenShot = new ByteArrayDataSource(imageBytes, "image/png");
+				screenShot.setName("screenshot.png");
+				window.addAttachment(screenShot, true);
+			}
 			window.focus();
 		}
-
+	}
 }

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/panel/UserPanel.java

@@ -36,6 +36,7 @@ import org.compiere.util.Msg;
 import org.zkoss.zk.ui.event.Event;
 import org.zkoss.zk.ui.event.EventListener;
 import org.zkoss.zk.ui.event.Events;
+import org.zkoss.zk.ui.event.KeyEvent;
 import org.zkoss.zul.Hbox;
 import org.zkoss.zul.Menuitem;
 import org.zkoss.zul.Separator;
@@ -145,6 +146,9 @@ public class UserPanel extends Vbox implements EventListener<Event>
     	mi.setId("EmailSupport");
     	mi.addEventListener(Events.ON_CLICK, this);
     	feedbackMenu.appendChild(mi);
+    	
+    	SessionManager.getSessionApplication().getKeylistener().addEventListener(Events.ON_CTRL_KEY, this);
+    	addEventListener("onEmailSupport", this);
     }
 
     private String getUserName()
@@ -228,6 +232,22 @@ public class UserPanel extends Vbox implements EventListener<Event>
 				FeedbackManager.emailSupport(false);
 			}
 		}
+		else if (event instanceof KeyEvent)
+		{
+			//alt+u for email, ctrl+u for request
+			KeyEvent ke = (KeyEvent) event;
+			if (ke.getKeyCode() == 0x55)
+			{
+				if (ke.isAltKey())
+				{
+					FeedbackManager.emailSupport(false);
+				}
+				else if (ke.isCtrlKey())
+				{
+					FeedbackManager.createNewRequest();
+				}
+			}
+		}
 
 	}
 }

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/window/WEMailDialog.java

@@ -514,13 +514,21 @@ public class WEMailDialog extends Window implements EventListener<Event>, ValueC
 				byte[] data = getMediaData(media);
 				ByteArrayDataSource dataSource = new ByteArrayDataSource(data, media.getContentType());
 				dataSource.setName(media.getName());
+				addAttachment(dataSource, true);
+			}
+		}
+	}
+
+	/**
+	 * @param dataSource
+	 * @param removeable
+	 */
+	public void addAttachment(DataSource dataSource, boolean removeable) {
 		attachments.add(dataSource);
-				AttachmentItem item = new AttachmentItem(dataSource, attachments, true);
+		AttachmentItem item = new AttachmentItem(dataSource, attachments, removeable);
 		attachmentBox.appendChild(item);
 		getFirstChild().invalidate();
 	}
-		}
-	}
 
 	private byte[] getMediaData(Media media) {
 		byte[] bytes = null;