Update Chart Viewer

git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/portlets/user/tabular-data-resources-widget@101628 82a268e6-3cf1-43bd-a215-b396298e98cf

.classpath

@@ -42,6 +42,7 @@
 	<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
 		<attributes>
 			<attribute name="maven.pomderived" value="true"/>
+			<attribute name="org.eclipse.jst.component.dependency" value="/WEB-INF/lib"/>
 		</attributes>
 	</classpathentry>
 	<classpathentry kind="output" path="target/tabular-data-resources-widget-1.0.0-SNAPSHOT/WEB-INF/classes"/>

pom.xml

@@ -342,4 +342,5 @@
 			</dependency>
 		</dependencies>
 	</dependencyManagement>
+	<packaging>war</packaging>
 </project>

src/main/java/org/gcube/portlets/user/td/resourceswidget/client/ResourcesWidgetEntry.java

@@ -35,6 +35,7 @@ public class ResourcesWidgetEntry  implements EntryPoint  {
 		//dialog.show();
 		
 		resourceTDDescriptor=new ResourceTDDescriptor();
+		resourceTDDescriptor.setName("Test Chart");
 		ChartViewerDialog chartDialog=new ChartViewerDialog(resourceTDDescriptor, trId, eventBus, true);
 		chartDialog.show();
 		

src/main/java/org/gcube/portlets/user/td/resourceswidget/client/charts/ChartViewerPanel.java

@@ -16,6 +16,8 @@ import com.allen_sauer.gwt.log.client.Log;
 import com.google.gwt.core.client.GWT;
 import com.google.gwt.event.dom.client.MouseUpEvent;
 import com.google.gwt.event.dom.client.MouseUpHandler;
+import com.google.gwt.event.dom.client.MouseWheelEvent;
+import com.google.gwt.event.dom.client.MouseWheelHandler;
 import com.google.gwt.event.logical.shared.SelectionEvent;
 import com.google.gwt.event.logical.shared.SelectionHandler;
 import com.google.gwt.event.logical.shared.ValueChangeEvent;
@@ -25,11 +27,13 @@ import com.google.gwt.safehtml.shared.SafeUri;
 import com.google.gwt.safehtml.shared.UriUtils;
 import com.google.gwt.user.client.Event;
 import com.google.gwt.user.client.Timer;
+import com.google.gwt.user.client.Window;
 import com.google.gwt.user.client.ui.HasValue;
 import com.google.web.bindery.event.shared.EventBus;
 import com.sencha.gxt.cell.core.client.form.ComboBoxCell.TriggerAction;
 import com.sencha.gxt.chart.client.draw.DrawComponent;
 import com.sencha.gxt.chart.client.draw.Scaling;
+import com.sencha.gxt.chart.client.draw.Translation;
 import com.sencha.gxt.chart.client.draw.sprite.ImageSprite;
 import com.sencha.gxt.chart.client.draw.sprite.Sprite;
 import com.sencha.gxt.chart.client.draw.sprite.SpriteOutEvent;
@@ -43,13 +47,13 @@ import com.sencha.gxt.core.client.util.ToggleGroup;
 import com.sencha.gxt.data.shared.LabelProvider;
 import com.sencha.gxt.data.shared.ListStore;
 import com.sencha.gxt.widget.core.client.FramedPanel;
+import com.sencha.gxt.widget.core.client.button.TextButton;
 import com.sencha.gxt.widget.core.client.button.ToggleButton;
 import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer;
 import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer.VerticalLayoutData;
 import com.sencha.gxt.widget.core.client.event.SelectEvent;
 import com.sencha.gxt.widget.core.client.event.SelectEvent.SelectHandler;
 import com.sencha.gxt.widget.core.client.form.ComboBox;
-import com.sencha.gxt.widget.core.client.info.Info;
 import com.sencha.gxt.widget.core.client.toolbar.ToolBar;
 
 /**
@@ -77,7 +81,7 @@ public class ChartViewerPanel extends FramedPanel {
 		ZOOMIN, ZOOMOUT, MOVE
 	};
 
-	private Operation activeOperation = Operation.ZOOMIN;
+	private Operation activeOperation;
 	private Sprite activeSprite;
 
 	private Vector2D startPosition;
@@ -94,11 +98,12 @@ public class ChartViewerPanel extends FramedPanel {
 
 	private ImageSprite chartSprite;
 
-	private int MAX_SCALE_FACTOR = 20;
+	private int MAX_SCALE_FACTOR = 32;
 	private int MIN_SCALE_FACTOR = 0;
 	private double scaleFactor = 0;
 
-	private Vector2D baseDimension;
+	private Vector2D fitScale;
+	private Vector2D chartScale;
 	private Vector2D chartDimension;
 
 	private DrawComponent paint;
@@ -112,6 +117,7 @@ public class ChartViewerPanel extends FramedPanel {
 	private Timer mouseTimer;
 	private Vector2D chartTranslation;
 	private ComboBox<ZoomLevelElement> comboZoomLevel;
+	private TextButton btnOpenInWindow;
 
 	public ChartViewerPanel(ChartViewerDialog parent,
 			ResourceTDDescriptor resourceTDDescriptor, TRId trId,
@@ -123,6 +129,8 @@ public class ChartViewerPanel extends FramedPanel {
 			ResourceTDDescriptor resourceTDDescriptor, TRId trId,
 			EventBus eventBus, boolean test) {
 		super();
+		ResourceBundle.INSTANCE.resourceCSS().ensureInjected();
+
 		this.parent = parent;
 		this.resourceTDDescriptor = resourceTDDescriptor;
 		this.test = test;
@@ -243,20 +251,19 @@ public class ChartViewerPanel extends FramedPanel {
 		VerticalLayoutContainer layout = new VerticalLayoutContainer();
 		add(layout);
 
-		
 		// ToolBar
 		ToolBar toolBar = new ToolBar();
 
 		btnZoomIn = new ToggleButton();
-		btnZoomIn.setValue(true);
+		btnZoomIn.setValue(false);
 		btnZoomIn.setIcon(ResourceBundle.INSTANCE.magnifierZoomIn());
 		btnZoomIn.setToolTip("Zoom In");
 		btnZoomIn.addSelectHandler(new SelectHandler() {
 
 			@Override
 			public void onSelect(SelectEvent event) {
-				paint.setStyleName(ResourceBundle.INSTANCE.resourceCSS()
-						.getCursorZoomIn());
+				chartSprite.setCursor("zoom-in");
+				forceLayout();
 
 			}
 		});
@@ -270,8 +277,8 @@ public class ChartViewerPanel extends FramedPanel {
 
 			@Override
 			public void onSelect(SelectEvent event) {
-				paint.setStyleName(ResourceBundle.INSTANCE.resourceCSS()
-						.getCursorZoomOut());
+				chartSprite.setCursor("zoom-out");
+				forceLayout();
 
 			}
 		});
@@ -285,8 +292,7 @@ public class ChartViewerPanel extends FramedPanel {
 
 			@Override
 			public void onSelect(SelectEvent event) {
-				paint.setStyleName(ResourceBundle.INSTANCE.resourceCSS()
-						.getCursorZoomOut());
+				chartSprite.setCursor("move");
 
 			}
 		});
@@ -321,9 +327,8 @@ public class ChartViewerPanel extends FramedPanel {
 					}
 				});
 
-		
-		
-		ZoomLevelPropertiesCombo props = GWT.create(ZoomLevelPropertiesCombo.class);
+		ZoomLevelPropertiesCombo props = GWT
+				.create(ZoomLevelPropertiesCombo.class);
 		ListStore<ZoomLevelElement> storeZoomLevelTypes = new ListStore<ZoomLevelElement>(
 				props.id());
 
@@ -334,20 +339,29 @@ public class ChartViewerPanel extends FramedPanel {
 		comboZoomLevel = new ComboBox<ZoomLevelElement>(storeZoomLevelTypes,
 				props.label());
 
-		
 		Log.trace("Combo created");
 
 		addHandlersForComboZoomLevel(props.label());
 
-		
 		comboZoomLevel.setEmptyText("Zoom Level");
 		comboZoomLevel.setItemId("ComboZoomLevel");
 		comboZoomLevel.setWidth(COMBO_ZOOM_LEVEL_WIDTH);
 		comboZoomLevel.setEditable(false);
 		comboZoomLevel.setTriggerAction(TriggerAction.ALL);
 
-		toolBar.add(comboZoomLevel);;
+		toolBar.add(comboZoomLevel);
+		//
+		btnOpenInWindow = new TextButton();
+		btnOpenInWindow.setIcon(ResourceBundle.INSTANCE.application());
+		btnOpenInWindow.setToolTip("Open in new window");
+		btnOpenInWindow.addSelectHandler(new SelectHandler() {
 
+			@Override
+			public void onSelect(SelectEvent event) {
+				openInNewWindow();
+			}
+		});
+		toolBar.add(btnOpenInWindow);
 
 		// Paint
 		paint = new DrawComponent();
@@ -390,15 +404,36 @@ public class ChartViewerPanel extends FramedPanel {
 			}
 		}, MouseUpEvent.getType());
 		
-		layout.add(toolBar, new VerticalLayoutData(1, -1, new Margins(0)));
 		
-		layout.add(paint, new VerticalLayoutData(1, -1, new Margins(0)));
+		paint.addDomHandler(new MouseWheelHandler() {
+
+			@Override
+			public void onMouseWheel(MouseWheelEvent event) {
+				spriteMouseWheel(event);
+				
+			}
+		}, MouseWheelEvent.getType());
+		
+
+		layout.add(toolBar, new VerticalLayoutData(1, 26, new Margins(0)));
+
+		layout.add(paint, new VerticalLayoutData(1, 1, new Margins(0)));
 
 	}
 
 	
 
+	protected void openInNewWindow() {
+		String link;
+		if (test) {
+			link = testImageResource.getSafeUri().asString();
+		} else {
+			link = chartImageResource.getSafeUri().asString();
+		}
+		Log.debug("Retrieved link: " + link);
+		Window.open(link, resourceTDDescriptor.getName(), "");
 
+	}
 
 	protected void drawInit() {
 
@@ -414,32 +449,36 @@ public class ChartViewerPanel extends FramedPanel {
 		paint.addSprite(chartSprite);
 
 		if (test) {
+
 			Log.debug("testImageResource width:" + testImageResource.getWidth()
 					+ " height:" + testImageResource.getHeight());
-			baseDimension = new Vector2D(new Double(DRAW_WIDTH_INT)
+			fitScale = new Vector2D(new Double(DRAW_WIDTH_INT)
 					/ testImageResource.getWidth(), new Double(DRAW_HEIGHT_INT)
 					/ testImageResource.getHeight());
+			chartDimension = new Vector2D(testImageResource.getWidth(),
+					testImageResource.getHeight());
 
 		} else {
 			Log.debug("chartImageResource width:"
 					+ chartImageResource.getWidth() + " height:"
 					+ chartImageResource.getHeight());
-			baseDimension = new Vector2D(new Double(DRAW_WIDTH_INT)
+			fitScale = new Vector2D(new Double(DRAW_WIDTH_INT)
 					/ chartImageResource.getWidth(),
 					new Double(DRAW_HEIGHT_INT)
 							/ chartImageResource.getHeight());
+			chartDimension = new Vector2D(chartImageResource.getWidth(),
+					chartImageResource.getHeight());
+
 		}
 
 		Log.debug("Offset width:" + DRAW_WIDTH_INT + " height:"
 				+ DRAW_HEIGHT_INT);
-		Log.debug("Base Width: " + baseDimension.getX() + ", Base Height:"
-				+ baseDimension.getY());
+		Log.debug("Fit Scale: " + fitScale);
+		Log.debug("Chart Dimension: "+chartDimension);
+		chartSprite.setScaling(new Scaling(fitScale.getX(), fitScale.getY()));
 
-		chartSprite.setScaling(new Scaling(baseDimension.getX(), baseDimension
-				.getY()));
-
-		chartDimension = baseDimension.copy();
-		chartTranslation=new Vector2D();
+		chartScale = fitScale.copy();
+		chartTranslation = new Vector2D();
 		paint.redrawSurfaceForced();
 
 		// Image image = new Image(chartImageResource.getSafeUri());
@@ -451,9 +490,9 @@ public class ChartViewerPanel extends FramedPanel {
 		mouseTimer = new Timer() {
 			@Override
 			public void run() {
-				if (activeSprite != null){
+				if (activeSprite != null) {
 					if (activeSprite == chartSprite) {
-						 actionOnChartSpriteWhenMouseLeftDown();
+						actionOnChartSpriteWhenMouseLeftDown();
 					}
 				}
 			}
@@ -474,8 +513,8 @@ public class ChartViewerPanel extends FramedPanel {
 				browseEvent.getClientY());
 		if (activeSprite != null) {
 			if (activeSprite == chartSprite) {
-				if (activeOperation.compareTo(Operation.ZOOMIN)==0
-						|| activeOperation.compareTo(Operation.ZOOMOUT)==0) {
+				if (activeOperation.compareTo(Operation.ZOOMIN) == 0
+						|| activeOperation.compareTo(Operation.ZOOMOUT) == 0) {
 					actionOnChartSpriteWhenMouseLeftDown();
 					comboZoomLevel.reset();
 					comboZoomLevel.redraw();
@@ -493,17 +532,19 @@ public class ChartViewerPanel extends FramedPanel {
 		endPosition = new Vector2D(event.getClientX(), event.getClientY());
 		displacement = startPosition.sub(endPosition);
 		activeSprite = null;
-		if(mouseTimer!=null){
+		if (mouseTimer != null) {
 			mouseTimer.cancel();
 		}
 	}
 	
+	
+
 	protected void spriteLeave(SpriteOutEvent event) {
 		Event browseEvent = event.getBrowserEvent();
 		Log.debug("Leave Position: " + browseEvent.getClientX() + ", "
 				+ browseEvent.getClientY());
 		activeSprite = null;
-		if(mouseTimer!=null){
+		if (mouseTimer != null) {
 			mouseTimer.cancel();
 		}
 	}
@@ -529,6 +570,19 @@ public class ChartViewerPanel extends FramedPanel {
 
 	}
 	
+	protected void spriteMouseWheel(MouseWheelEvent event) {
+		int deltaY=event.getDeltaY();
+		Log.debug("Wheel: "+deltaY);
+		if(deltaY<0){
+			zoomIn();
+		} else {
+			zoomOut();
+		}
+		draw();
+		
+	}
+	
+
 	protected void actionOnChartSpriteWhenMove() {
 		Log.debug("Operation:" + activeOperation);
 		switch (activeOperation) {
@@ -548,7 +602,7 @@ public class ChartViewerPanel extends FramedPanel {
 
 	protected void actionOnChartSpriteWhenMouseLeftDown() {
 		Log.debug("Operation:" + activeOperation);
-		switch(activeOperation){
+		switch (activeOperation) {
 		case MOVE:
 			break;
 		case ZOOMIN:
@@ -564,15 +618,15 @@ public class ChartViewerPanel extends FramedPanel {
 		draw();
 	}
 
-
 	protected void zoomIn() {
 		if (scaleFactor < MAX_SCALE_FACTOR) {
 			scaleFactor++;
 		}
 
-		chartDimension = baseDimension.multiply(1 + scaleFactor / 10);
-		chartSprite.setScaling(new Scaling(chartDimension.getX(),
-				chartDimension.getY()));
+		chartScale = fitScale.multiply(1 + scaleFactor / 10);
+		chartSprite
+				.setScaling(new Scaling(chartScale.getX(), chartScale.getY()));
+
 	}
 
 	protected void zoomOut() {
@@ -580,16 +634,19 @@ public class ChartViewerPanel extends FramedPanel {
 			scaleFactor--;
 		}
 
-		chartDimension = baseDimension.multiply(1 + scaleFactor / 10);
-		chartSprite.setScaling(new Scaling(chartDimension.getX(),
-				chartDimension.getY()));
+		chartScale = fitScale.multiply(1 + scaleFactor / 10);
+		chartSprite
+				.setScaling(new Scaling(chartScale.getX(), chartScale.getY()));
 	}
 
 	private void moveChart() {
-		displacement=displacement.divide(1+scaleFactor/10);
+		displacement = displacement.divide(1 + scaleFactor);
 		displacement = displacement.negate();
-		chartTranslation=chartTranslation.add(displacement);
-		chartSprite.setTranslation(chartTranslation.getX(), chartTranslation.getY());
+
+		chartTranslation = chartTranslation.add(displacement);
+
+		chartSprite.setTranslation(chartTranslation.getX(),
+				chartTranslation.getY());
 	}
 
 	protected void draw() {
@@ -598,26 +655,37 @@ public class ChartViewerPanel extends FramedPanel {
 
 	}
 
-	
 	private void addHandlersForComboZoomLevel(
 			final LabelProvider<ZoomLevelElement> label) {
 		comboZoomLevel
-		.addSelectionHandler(new SelectionHandler<ZoomLevelElement>() {
-			public void onSelection(
-					SelectionEvent<ZoomLevelElement> event) {
-				Log.debug("ComboZoomLevel selected: "
-						+ event.getSelectedItem());
-				ZoomLevelElement zoomLevelElement = event
-						.getSelectedItem();
-				updateZoomLevel(zoomLevelElement.getType());
-			}
+				.addSelectionHandler(new SelectionHandler<ZoomLevelElement>() {
+					public void onSelection(
+							SelectionEvent<ZoomLevelElement> event) {
+						Log.debug("ComboZoomLevel selected: "
+								+ event.getSelectedItem());
+						ZoomLevelElement zoomLevelElement = event
+								.getSelectedItem();
+						updateZoomLevel(zoomLevelElement.getType());
+					}
 
-		});
+				});
 
 	}
 
 	protected void updateZoomLevel(ZoomLevelType type) {
-		switch(type){
+		switch (type) {
+		case P50:
+			zoomLevel50();
+			break;
+		case P75:
+			zoomLevel75();
+			break;
+		case P100:
+			zoomLevel100();
+			break;
+		case P200:
+			zoomLevel200();
+			break;
 		case Fit:
 			zoomLevelFit();
 			break;
@@ -632,29 +700,96 @@ public class ChartViewerPanel extends FramedPanel {
 
 	}
 
-	protected void zoomLevelFit(){
-		chartTranslation=new Vector2D();
-		scaleFactor=MIN_SCALE_FACTOR;
+	protected void zoomLevel50() {
+		/*
+		 * Log.debug("Paint :" + paint.getAbsoluteLeft() + ", " +
+		 * paint.getAbsoluteTop()); Log.debug("Paint offset:" +
+		 * paint.getOffsetWidth(true) + ", " + paint.getOffsetHeight(true));
+		 * 
+		 * Vector2D center = new Vector2D((paint.getOffsetWidth(true) / 2),
+		 * (paint.getOffsetHeight(true) / 2)); Log.debug("Center: " + center);
+		 * RectangleSprite rectangleSprite = new RectangleSprite(20, 20,
+		 * center.getX(), center.getY()); paint.addSprite(rectangleSprite);
+		 */
 
-		chartDimension = baseDimension.multiply(1 + scaleFactor / 10);
-		chartSprite.setScaling(new Scaling(chartDimension.getX(),
-				chartDimension.getY()));
-		chartSprite.setTranslation(chartTranslation.getX(), chartTranslation.getY());
+		chartTranslation = new Vector2D();
+		scaleFactor = 2;
+
+		chartScale = fitScale.multiply(1 + scaleFactor / 10);
+
+		chartSprite
+				.setScaling(new Scaling(chartScale.getX(), chartScale.getY()));
+		chartSprite.setTranslation(new Translation(chartTranslation.getX(),
+				chartTranslation.getY()));
 
 	}
 
-	protected void zoomLevelMax(){
-		chartTranslation=new Vector2D();
-		scaleFactor=MAX_SCALE_FACTOR;
+	protected void zoomLevel75() {
 
-		chartDimension = baseDimension.multiply(1 + scaleFactor / 10);
-		chartSprite.setScaling(new Scaling(chartDimension.getX(),
-				chartDimension.getY()));
-		chartSprite.setTranslation(chartTranslation.getX(), chartTranslation.getY());
+		chartTranslation = new Vector2D();
+		scaleFactor = 9;
+
+		chartScale = fitScale.multiply(1 + scaleFactor / 10);
+
+		chartSprite
+				.setScaling(new Scaling(chartScale.getX(), chartScale.getY()));
+		chartSprite.setTranslation(new Translation(chartTranslation.getX(),
+				chartTranslation.getY()));
 
 	}
 
+	protected void zoomLevel100() {
 
+		chartTranslation = new Vector2D();
+		scaleFactor = 15;
+
+		chartScale = fitScale.multiply(1 + scaleFactor / 10);
+
+		chartSprite
+				.setScaling(new Scaling(chartScale.getX(), chartScale.getY()));
+		chartSprite.setTranslation(new Translation(chartTranslation.getX(),
+				chartTranslation.getY()));
+
+	}
+
+	protected void zoomLevel200() {
+
+		chartTranslation = new Vector2D();
+		scaleFactor = 30;
+
+		chartScale = fitScale.multiply(1 + scaleFactor / 10);
+
+		chartSprite
+				.setScaling(new Scaling(chartScale.getX(), chartScale.getY()));
+		chartSprite.setTranslation(new Translation(chartTranslation.getX(),
+				chartTranslation.getY()));
+
+	}
+
+	protected void zoomLevelFit() {
+		chartTranslation = new Vector2D();
+		scaleFactor = MIN_SCALE_FACTOR;
+
+		chartScale = fitScale.multiply(1 + scaleFactor / 10);
+
+		chartSprite
+				.setScaling(new Scaling(chartScale.getX(), chartScale.getY()));
+		chartSprite.setTranslation(chartTranslation.getX(),
+				chartTranslation.getY());
+
+	}
+
+	protected void zoomLevelMax() {
+		chartTranslation = new Vector2D();
+		scaleFactor = MAX_SCALE_FACTOR;
+
+		chartScale = fitScale.multiply(1 + scaleFactor / 10);
+		chartSprite
+				.setScaling(new Scaling(chartScale.getX(), chartScale.getY()));
+		chartSprite.setTranslation(chartTranslation.getX(),
+				chartTranslation.getY());
+
+	}
 
 	protected void close() {
 		if (parent != null) {

src/main/java/org/gcube/portlets/user/td/resourceswidget/client/resources/ResourceBundle.java

@@ -126,6 +126,12 @@ public interface ResourceBundle extends ClientBundle {
 	@Source("arrow-move.png")
 	ImageResource move();
 	
+	@Source("application_32.png")
+	ImageResource application32();
+	
+	@Source("application.png")
+	ImageResource application();
+	
 	@Source("Resources.css")
 	ResourceCSS resourceCSS();
 }

src/main/java/org/gcube/portlets/user/td/resourceswidget/client/store/ZoomLevelStore.java

@@ -19,12 +19,20 @@ public class ZoomLevelStore implements Serializable {
 	
 	protected static ZoomLevelElement fitElement=new ZoomLevelElement(1,ZoomLevelType.Fit);
 	protected static ZoomLevelElement maxZoomElement=new ZoomLevelElement(2,ZoomLevelType.MaxZoom);
+	protected static ZoomLevelElement p50Element=new ZoomLevelElement(3,ZoomLevelType.P50);
+	protected static ZoomLevelElement p75Element=new ZoomLevelElement(4,ZoomLevelType.P75);
+	protected static ZoomLevelElement p100Element=new ZoomLevelElement(5,ZoomLevelType.P100);
+	protected static ZoomLevelElement p200Element=new ZoomLevelElement(6,ZoomLevelType.P200);
 	
 
 	public static ArrayList<ZoomLevelElement> getZoomLevelTypes(){
 		store=new ArrayList<ZoomLevelElement>();
 		store.add(fitElement);
 		store.add(maxZoomElement);
+		store.add(p50Element);
+		store.add(p75Element);
+		store.add(p100Element);
+		store.add(p200Element);
 		return store;
 	}
 	
@@ -36,7 +44,23 @@ public class ZoomLevelStore implements Serializable {
 			if(selected.compareTo(ZoomLevelType.MaxZoom.toString())==0){
 				position=2;
 			} else {
+				if(selected.compareTo(ZoomLevelType.P50.toString())==0){
+					position=3;
+				} else {
+					if(selected.compareTo(ZoomLevelType.P75.toString())==0){
+						position=4;
+					} else {
+						if(selected.compareTo(ZoomLevelType.P100.toString())==0){
+							position=5;
+						} else {
+							if(selected.compareTo(ZoomLevelType.P200.toString())==0){
+								position=6;
+							} else {
 							
+							}
+						}
+					}
+				}
 			}
 		}
 		return position;
@@ -50,7 +74,23 @@ public class ZoomLevelStore implements Serializable {
 			if(selected.compareTo(ZoomLevelType.MaxZoom.toString())==0){
 				return ZoomLevelType.MaxZoom;
 			} else {
-				return null;
+				if(selected.compareTo(ZoomLevelType.P50.toString())==0){
+					return ZoomLevelType.P50;
+				} else {
+					if(selected.compareTo(ZoomLevelType.P75.toString())==0){
+						return ZoomLevelType.P75;
+					} else {
+						if(selected.compareTo(ZoomLevelType.P100.toString())==0){
+							return ZoomLevelType.P100;
+						} else {
+							if(selected.compareTo(ZoomLevelType.P200.toString())==0){
+								return ZoomLevelType.P200;
+							} else {
+								return null;
+							}
+						}
+					}
+				}
 			}
 		}
 	}
@@ -62,7 +102,23 @@ public class ZoomLevelStore implements Serializable {
 			if(selected.compareTo(ZoomLevelType.MaxZoom.toString())==0){
 				return maxZoomElement;
 			} else {
-				return null;
+				if(selected.compareTo(ZoomLevelType.P50.toString())==0){
+					return p50Element;
+				} else {
+					if(selected.compareTo(ZoomLevelType.P75.toString())==0){
+						return p75Element;
+					} else {
+						if(selected.compareTo(ZoomLevelType.P100.toString())==0){
+							return p100Element;
+						} else {
+							if(selected.compareTo(ZoomLevelType.P200.toString())==0){
+								return p200Element;
+							} else {
+								return null;
+							}
+						}
+					}
+				}
 			}
 		}
 	}

src/main/java/org/gcube/portlets/user/td/resourceswidget/client/store/ZoomLevelType.java

@@ -7,7 +7,12 @@ package org.gcube.portlets.user.td.resourceswidget.client.store;
  *
  */
 public enum ZoomLevelType {
-	Fit("Fit"), MaxZoom("Max");
+	Fit("Fit"),
+	P50("50%"),
+	P75("75%"),
+	P100("100%"),
+	P200("200%"),
+	MaxZoom("Max");
 
 	/**
 	 * @param text

src/main/resources/org/gcube/portlets/user/td/resourceswidget/ResourcesWidget.gwt.xml

@@ -27,8 +27,8 @@
 	<inherits name='org.gcube.portlets.user.td.wizardwidget.Wizard' />
 
 	<!-- Specify the app entry point class. -->
-    <!-- <entry-point class='org.gcube.portlets.user.td.resourceswidget.client.ResourcesWidgetEntry' 
-		/> -->
+    <entry-point class='org.gcube.portlets.user.td.resourceswidget.client.ResourcesWidgetEntry' 
+		/> 
 
 	<!-- Specify the paths for translatable code -->
 	<source path='client' />