[isidorus-cvs] r537 - in branches/gdl-frontend/src/anaToMia/GDL_Widgets: lib src/us/isidor/gdl/anaToMia/Widgets src/us/isidor/gdl/anaToMia/Widgets/base src/us/isidor/gdl/anaToMia/Widgets/isidorus war/gdl_widgets - isidorus-cvs@common-lisp.net - mailman3.common-lisp.net

30 Jun 2011

Author: lgiessmann
Date: Thu Jun 30 03:53:32 2011
New Revision: 537
Log:
gdl-frontend: Widgets: added a LoadSchemaCallback for isidorus; added a siple test file for testing LoadSchemaCallback; added the class ButtonDialog, that represetns a dialog with a title, text, and two buttons
Added:
   branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/base/ButtonDialog.java
   branches/gdl-frontend/src/anaToMia/GDL_Widgets/war/gdl_widgets/test.jtm
Modified:
   branches/gdl-frontend/src/anaToMia/GDL_Widgets/lib/GDL_TmEngine.jar
   branches/gdl-frontend/src/anaToMia/GDL_Widgets/lib/GDL_TopicMaps_Model.jar
   branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/GDL_Widgets.gwt.xml
   branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/base/GdlPanel.java
   branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/base/TestClass.java
   branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/isidorus/LoadSchemaCallback.java
Modified: branches/gdl-frontend/src/anaToMia/GDL_Widgets/lib/GDL_TmEngine.jar
==============================================================================
Binary file (source and/or target). No diff available.
Modified: branches/gdl-frontend/src/anaToMia/GDL_Widgets/lib/GDL_TopicMaps_Model.jar
==============================================================================
Binary file (source and/or target). No diff available.
Modified: branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/GDL_Widgets.gwt.xml
==============================================================================

--- branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/GDL_Widgets.gwt.xml	Thu Jun 30 03:30:38 2011	(r536)
+++ branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/GDL_Widgets.gwt.xml	Thu Jun 30 03:53:32 2011	(r537)
@@ -22,6 +22,7 @@
   <source path="base"/>
   <source path="views"/>
   <source path="environment"/>
+  <source path="isidorus"/>
<!-- Reference the javascript file that is necessary for tmjs -->
   <script src="lib/tm.min.js" />
Added: branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/base/ButtonDialog.java
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/base/ButtonDialog.java	Thu Jun 30 03:53:32 2011	(r537)
@@ -0,0 +1,73 @@
+package us.isidor.gdl.anaToMia.Widgets.base;
+
+import com.google.gwt.event.dom.client.ClickHandler;
+import com.google.gwt.event.shared.HandlerRegistration;
+import com.google.gwt.user.client.ui.Button;
+import com.google.gwt.user.client.ui.DialogBox;
+import com.google.gwt.user.client.ui.HasHorizontalAlignment;
+import com.google.gwt.user.client.ui.HorizontalPanel;
+import com.google.gwt.user.client.ui.Label;
+import com.google.gwt.user.client.ui.VerticalPanel;
+
+public class ButtonDialog extends DialogBox {
+	private Button btn1 = new Button();
+	private Button btn2 = new Button();
+	private HandlerRegistration hrBtn1 = null;
+	private HandlerRegistration hrBtn2 = null;
+	private Label message = new Label();
+	private VerticalPanel mainPanel = new VerticalPanel();
+	private HorizontalPanel buttonPanel = new HorizontalPanel();
+	
+	
+	public ButtonDialog(){
+		this.add(mainPanel);
+		mainPanel.add(message);
+		mainPanel.add(buttonPanel);
+		mainPanel.setCellHorizontalAlignment(buttonPanel, HasHorizontalAlignment.ALIGN_RIGHT);
+		buttonPanel.add(btn1);
+		buttonPanel.add(btn2);
+		buttonPanel.setSpacing(5);
+	}
+	
+	
+	public ButtonDialog(String dialogText, String dialogMessage, String leftButtonText, String rightButtonText, ClickHandler leftButtonHandler, ClickHandler rightButtonHandler){
+		this();
+		btn1.setText(leftButtonText);
+		btn2.setText(rightButtonText);
+		this.setText(dialogText);
+		message.setText(dialogMessage);
+		if(leftButtonHandler != null) hrBtn1 = btn1.addClickHandler(leftButtonHandler);
+		if(rightButtonHandler != null) hrBtn2 = btn2.addClickHandler(rightButtonHandler);
+	}
+
+
+	public void setLeftButtonText(String text){
+		btn1.setText(text);
+	}
+	
+	
+	public void setRightButtonText(String text){
+		btn2.setText(text);
+	}
+	
+	
+	public void setDialogMessage(String text){
+		message.setText(text);
+	}
+	
+	
+	public void setLeftButtonClickHandler(ClickHandler handler){
+		if(handler != null){
+			if(hrBtn1 != null) hrBtn1.removeHandler();
+			hrBtn1 = btn1.addClickHandler(handler);
+		}
+	}
+	
+	
+	public void setRightButtonClickHandler(ClickHandler handler){
+		if(handler != null){
+			if(hrBtn2 != null) hrBtn2.removeHandler();
+			hrBtn2 = btn2.addClickHandler(handler);
+		}
+	}
+}
Modified: branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/base/GdlPanel.java
==============================================================================
--- branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/base/GdlPanel.java	Thu Jun 30 03:30:38 2011	(r536)
+++ branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/base/GdlPanel.java	Thu Jun 30 03:53:32 2011	(r537)
@@ -37,9 +37,9 @@
    // the actual view with the corresponding content
    GdlDefaultTopicView view = null;
    // the topic map that is the base of the created GDL view
-	private TopicMap tm = null;
-	// the locator of the topic map "tm"
-	private final String TOPIC_MAP_LOCATOR = GdlPsis.gdl + "topicmap/tm-1";
+	private TopicMap requestedSchemaTm = null;
+	// the locator of the topic map "requestedSchemaTm"
+	private final String REQUESTED_SCHEMA_TOPIC_MAP_LOCATOR = GdlPsis.gdl + "topicmap/tm-1";
    
    // callback instance for getting/loading the GDL schema
    private ILoadSchemaCallback loadSchemaCallback = null;
@@ -112,7 +112,7 @@
    
    
    // getter for the Topic Maps engine instance
-	public TmEngine getTmengine(){
+	public TmEngine getTmEngine(){
    	return this.tmEngine;
    }
    
@@ -121,9 +121,9 @@
    public void setTmEngine(TmEngine tmEngine) {
    	// the Topic Maps engine can be only set if no Topic Maps engine is set
    	// or if the topic map "tm" is null, or contains no topics and associations
-		if(tmEngine != null && (tm == null || (tm.getTopics().length() == 0 && tm.getAssociations().length() == 0))){
+		if(tmEngine != null && (requestedSchemaTm == null || (requestedSchemaTm.getTopics().length() == 0 && requestedSchemaTm.getAssociations().length() == 0))){
    		this.tmEngine = tmEngine;
-			this.tm = this.tmEngine.createTopicMap(this.TOPIC_MAP_LOCATOR);
+			this.requestedSchemaTm = this.tmEngine.createTopicMap(this.REQUESTED_SCHEMA_TOPIC_MAP_LOCATOR);
    	}
    }
    
@@ -166,8 +166,8 @@
    }
    
    // a getter for the internal topic map
-	public TopicMap getTm(){
-		return this.tm;
+	public TopicMap getSchemaTm(){
+		return this.requestedSchemaTm;
    }
    
    
@@ -176,7 +176,7 @@
    // onLoadHandlers are executed
    public void doLoad(){
    	try{
-			if(tmEngine == null || tm == null){
+			if(tmEngine == null || requestedSchemaTm == null){
    			throw new ExecutionException("No Topic Maps engine was set yet");
    		}
    		if(this.loadSchemaCallback == null){
@@ -197,13 +197,13 @@
    // onCommitHandlers are executed
    public void doCommit(){
    	try{
-			if(tmEngine == null || tm == null){
+			if(tmEngine == null || requestedSchemaTm == null){
    			throw new ExecutionException("No Topic Maps engine was set yet");
    		}
    		if(this.commitCallback == null){
    			throw new ExecutionException("No CommitCallback was set yet");
    		}
-			this.commitCallback.commitTmConstruct(tm, TopicMapsTypes.TopicMap);
+			this.commitCallback.commitTmConstruct(requestedSchemaTm, TopicMapsTypes.TopicMap);
    	}catch(Exception e){
    		for (IGdlErrorHandler handler : localOnErrorContainer) {
    			handler.onError(GdlErrorTypes.CommitError, e);
@@ -217,7 +217,7 @@
    // onValidateHandlers are executed
    public void doValidate() {
    	try{
-			if(tmEngine == null || tm == null){
+			if(tmEngine == null || requestedSchemaTm == null){
    			throw new ExecutionException("No Topic Maps engine was set yet");
    		}
    		
@@ -241,13 +241,13 @@
    // onDeleteHandlers are executed and the panel's content is removed
    public void doDelete() {
    	try{
-			if(tmEngine == null || tm == null){
+			if(tmEngine == null || requestedSchemaTm == null){
    			throw new ExecutionException("No Topic Maps engine was set yet");
    		}
    		if(this.deleteCallback == null){
    			throw new ExecutionException("No DeleteCallback was set yet");
    		}
-			this.deleteCallback.deleteTmConstruct(tm, TopicMapsTypes.TopicMap);
+			this.deleteCallback.deleteTmConstruct(requestedSchemaTm, TopicMapsTypes.TopicMap);
    	}catch(Exception e){
    		for (IGdlErrorHandler handler : localOnErrorContainer) {
    			handler.onError(GdlErrorTypes.DeleteError, e);
Modified: branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/base/TestClass.java
==============================================================================
--- branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/base/TestClass.java	Thu Jun 30 03:30:38 2011	(r536)
+++ branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/base/TestClass.java	Thu Jun 30 03:53:32 2011	(r537)
@@ -1,18 +1,16 @@
 package us.isidor.gdl.anaToMia.Widgets.base;
+import us.isidor.gdl.anaToMia.TmEngine.jtmsBasedEngine.JtmsTmEngine;
+import us.isidor.gdl.anaToMia.Widgets.isidorus.LoadSchemaCallback;
+
 import com.google.gwt.core.client.EntryPoint;
 import com.google.gwt.event.dom.client.ClickEvent;
 import com.google.gwt.event.dom.client.ClickHandler;
 import com.google.gwt.user.client.DOM;
 import com.google.gwt.user.client.Window;
 import com.google.gwt.user.client.ui.Button;
-import com.google.gwt.user.client.ui.DialogBox;
-import com.google.gwt.user.client.ui.HTML;
 import com.google.gwt.user.client.ui.HorizontalPanel;
 import com.google.gwt.user.client.ui.RootPanel;
-import com.google.gwt.user.client.ui.SimplePanel;
-import com.google.gwt.user.client.ui.VerticalPanel;
-
public class TestClass implements EntryPoint{
    HorizontalPanel mainPanel = new HorizontalPanel();
@@ -29,42 +27,22 @@
    	gdlPanel.setPixelSize(100, 100);
    	DOM.setStyleAttribute(gdlPanel.getElement(), "backgroundColor", "yellow");
    	mainPanel.add(gdlPanel);
+		gdlPanel.setTmEngine(new JtmsTmEngine());
    	
-		testDialogBox();
-	}
-	
-	
-	public void testDialogBox(){
-		final DialogBox dialogbox = new DialogBox();
-		VerticalPanel dialogBoxContents = new VerticalPanel();
-	    dialogbox.setText("DialogBox");
-	    HTML message = new HTML("Click 'Close' to close");
-	    message.setStyleName("demo-DialogBox-message");
-	    ClickHandler listener = new ClickHandler()
-	    {
-	        @Override
-			public void onClick(ClickEvent event) {
-				dialogbox.hide();
-			}
-	    };
-	    Button button = new Button("Close", listener);
-	    SimplePanel holder = new SimplePanel();
-	    holder.add(button);
-	    dialogBoxContents.add(message);
-	    dialogBoxContents.add(holder);
-	    dialogbox.setWidget(dialogBoxContents);
-	    
-	    //
-	    // Add a button to the demo to show the above DialogBox
-	    listener = new ClickHandler()
-	    {
-	        @Override
+
+		Button requestButton = new Button("start request");
+		requestButton.addClickHandler(new ClickHandler() {
+			@Override
    		public void onClick(ClickEvent event) {
-				dialogbox.center();
+				LoadSchemaCallback callback = new LoadSchemaCallback();
+				try{
+					callback.loadSchema(gdlPanel, "", new String[]{});
+				}catch(Exception e){
+					Window.alert("cought error: " + e.getLocalizedMessage());
+				}
    		}
-	    };
-	    button = new Button("Show DialogBox", listener);
-	    mainPanel.add(button);
+		});
+		
+		mainPanel.add(requestButton);
    }
-
 }
Modified: branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/isidorus/LoadSchemaCallback.java
==============================================================================
--- branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/isidorus/LoadSchemaCallback.java	Thu Jun 30 03:30:38 2011	(r536)
+++ branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/isidorus/LoadSchemaCallback.java	Thu Jun 30 03:53:32 2011	(r537)
@@ -1,31 +1,44 @@
 package us.isidor.gdl.anaToMia.Widgets.isidorus;
import com.google.gwt.core.client.GWT;
+import com.google.gwt.event.dom.client.ClickEvent;
+import com.google.gwt.event.dom.client.ClickHandler;
 import com.google.gwt.http.client.Request;
 import com.google.gwt.http.client.RequestBuilder;
 import com.google.gwt.http.client.RequestCallback;
 import com.google.gwt.http.client.RequestException;
 import com.google.gwt.http.client.Response;
 import com.google.gwt.http.client.URL;
-import us.isidor.gdl.anaToMia.TopicMaps.TopicMapsModel.Construct;
-import us.isidor.gdl.anaToMia.TopicMaps.TopicMapsModel.TopicMap;
+import com.google.gwt.user.client.DOM;
+import com.google.gwt.user.client.Window;
+import us.isidor.gdl.anaToMia.Widgets.base.ButtonDialog;
 import us.isidor.gdl.anaToMia.Widgets.base.GdlPanel;
+import us.isidor.gdl.anaToMia.Widgets.environment.ExecutionException;
 import us.isidor.gdl.anaToMia.Widgets.environment.ILoadSchemaCallback;
+// this class can be used as a callback that requests the Topic Map data
+// addressable by the URI isidorusUrl
 public class LoadSchemaCallback implements ILoadSchemaCallback{
-	private final String isidorusUrl = URL.encode(GWT.getModuleBaseURL() + "testJson.txt"); // TODO: replace with the correct URL
+	private final String isidorusUrl = URL.encode(GWT.getModuleBaseURL() + "test.jtm"); // TODO: replace with the correct URL
+	private String[] typeIdentifiers = new String[]{};
+	private String instanceIdentifier = "";
    private RequestBuilder requestBuilder = new RequestBuilder(RequestBuilder.GET, isidorusUrl);
    
+	
    public LoadSchemaCallback(){}
    
    
+	// this method is invoked as a callback method
    @Override
    public void loadSchema(GdlPanel panel, String instanceIdentifier,	String[] typeIdentifiers) throws RequestException {
-		Request request = requestBuilder.sendRequest(null, new RequestCallbackImpl(panel));
+		this.typeIdentifiers = typeIdentifiers;
+		this.instanceIdentifier = instanceIdentifier;
+		requestBuilder.sendRequest(null, new RequestCallbackImpl(panel));
    }
+	// this method implements the actual request and a simple error handling
    private class RequestCallbackImpl implements RequestCallback{
    	private GdlPanel panel = null;
    	
@@ -42,16 +55,65 @@
    	@Override
    	public void onResponseReceived(Request request, Response response) {
    		if(Response.SC_OK == response.getStatusCode()){
+				try{
+					if(panel.getTmEngine() == null || panel.getSchemaTm() == null) throw new ExecutionException("no Topic Maps engine was set yet");
+					panel.getTmEngine().importTopicMap(response.getText(), panel.getSchemaTm());
+				}catch(ExecutionException e){
+					Window.alert("Execution Error: " + e.getMessage());
+				}catch(Exception e){
+					Window.alert("panel: " + panel + ", tm: " + panel.getSchemaTm() + "\ncought error: " + e.getLocalizedMessage()); // TODO: implement smarter error handling
+					e.printStackTrace();
+				}
    			panel.createView();
    		} else {
-				// TODO: implement error handling => http://examples.roughian.com/index.htm#Widgets~DialogBox
+				final ButtonDialog dialog = new ButtonDialog("Connection Error", "The request to " + isidorusUrl + " failed\n" + response.getStatusCode() + ": " + response.getStatusText(), "retry", "cancel", null, null);
+				dialog.setLeftButtonClickHandler(new ClickHandler() {	
+					@Override
+					public void onClick(ClickEvent event) {
+						dialog.hide();
+						try{
+							loadSchema(panel, instanceIdentifier, typeIdentifiers);
+						}catch(Exception e){
+							Window.alert("connection to : " + isidorusUrl + " failed: " + e.getMessage());
+						}
+					}
+				});
+				
+				dialog.setRightButtonClickHandler(new ClickHandler() {
+					@Override
+					public void onClick(ClickEvent event) {
+						dialog.hide();
+					}
+				});
+				
+				dialog.center();
    		}
    	}
    	
    	
    	@Override
    	public void onError(Request request, Throwable exception) {
-			// TODO: implement error handling => http://examples.roughian.com/index.htm#Widgets~DialogBox
+			final ButtonDialog dialog = new ButtonDialog("Connection Error", "The request to " + isidorusUrl + " failed\n" + exception.getMessage(), "retry", "cancel", null, null);
+			dialog.setLeftButtonClickHandler(new ClickHandler() {	
+				@Override
+				public void onClick(ClickEvent event) {
+					dialog.hide();
+					try{
+						loadSchema(panel, instanceIdentifier, typeIdentifiers);
+					}catch(Exception e){
+						Window.alert("connection to : " + isidorusUrl + " failed: " + e.getMessage());
+					}
+				}
+			});
+			
+			dialog.setRightButtonClickHandler(new ClickHandler() {
+				@Override
+				public void onClick(ClickEvent event) {
+					dialog.hide();
+				}
+			});
+			
+			dialog.center();
    	}
    }
 }
Added: branches/gdl-frontend/src/anaToMia/GDL_Widgets/war/gdl_widgets/test.jtm
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ branches/gdl-frontend/src/anaToMia/GDL_Widgets/war/gdl_widgets/test.jtm	Thu Jun 30 03:53:32 2011	(r537)
@@ -0,0 +1 @@
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