Initial import.

git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/portlets/user/data-miner-executor@176691 82a268e6-3cf1-43bd-a215-b396298e98cf

src/main/java/org/gcube/portlets/user/dataminerexecutor/client/parametersfield/ColumnFld.java

@@ -1,184 +0,0 @@
-/**
- * 
- */
-package org.gcube.portlets.user.dataminerexecutor.client.parametersfield;
-
-import java.util.ArrayList;
-
-import org.gcube.data.analysis.dataminermanagercl.shared.data.ColumnItem;
-import org.gcube.data.analysis.dataminermanagercl.shared.data.TableItemSimple;
-import org.gcube.data.analysis.dataminermanagercl.shared.parameters.ColumnParameter;
-import org.gcube.data.analysis.dataminermanagercl.shared.parameters.Parameter;
-import org.gcube.portlets.user.dataminerexecutor.client.events.TabularFldChangeEvent;
-import org.gcube.portlets.user.dataminerexecutor.client.events.TabularFldChangeEvent.TabularFldChangeEventHandler;
-import org.gcube.portlets.user.dataminerexecutor.client.properties.ColumnItemPropertiesCombo;
-
-import com.allen_sauer.gwt.log.client.Log;
-import com.google.gwt.core.client.GWT;
-import com.google.gwt.user.client.ui.Widget;
-import com.sencha.gxt.cell.core.client.form.ComboBoxCell.TriggerAction;
-import com.sencha.gxt.core.client.util.Format;
-import com.sencha.gxt.core.client.util.Margins;
-import com.sencha.gxt.data.shared.ListStore;
-import com.sencha.gxt.widget.core.client.container.BoxLayoutContainer.BoxLayoutData;
-import com.sencha.gxt.widget.core.client.container.BoxLayoutContainer.BoxLayoutPack;
-import com.sencha.gxt.widget.core.client.container.HBoxLayoutContainer;
-import com.sencha.gxt.widget.core.client.container.HtmlLayoutContainer;
-import com.sencha.gxt.widget.core.client.container.SimpleContainer;
-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.form.ComboBox;
-
-/**
- * 
- * @author Giancarlo Panichi
- *
- *
- */
-public class ColumnFld extends AbstractFld implements
-		TabularFldChangeEventHandler {
-
-	private String defaultColumn;
-	private ComboBox<ColumnItem> comboBox;
-	private ListStore<ColumnItem> store;
-	private String referredTabularParameterName;
-
-	private SimpleContainer fieldContainer;
-	private SimpleContainer vContainer;
-
-	/**
-	 * @param parameter parameter
-	 */
-	public ColumnFld(Parameter parameter) {
-		super(parameter);
-
-		ColumnParameter columnParameter = (ColumnParameter) parameter;
-
-		referredTabularParameterName = columnParameter
-				.getReferredTabularParameterName();
-		defaultColumn = columnParameter.getDefaultColumn();
-
-		fieldContainer = new SimpleContainer();
-		HBoxLayoutContainer horiz = new HBoxLayoutContainer();
-		horiz.setPack(BoxLayoutPack.START);
-		horiz.setEnableOverflow(false);
-
-		ColumnItemPropertiesCombo props = GWT
-				.create(ColumnItemPropertiesCombo.class);
-
-		store = new ListStore<ColumnItem>(props.id());
-
-		comboBox = new ComboBox<ColumnItem>(store, props.label());
-		comboBox.setAllowBlank(false);
-		comboBox.setForceSelection(true);
-		comboBox.setEditable(false);
-		comboBox.setTriggerAction(TriggerAction.ALL);
-		comboBox.setEnabled(false);
-		HtmlLayoutContainer descr;
-
-		if (columnParameter.getDescription() == null) {
-			descr = new HtmlLayoutContainer("<p style='margin-left:5px !important;'></p>");
-			descr.addStyleName("workflow-fieldDescription");
-
-		} else {
-			//comboBox.setToolTip(columnParameter.getDescription());
-			descr = new HtmlLayoutContainer("<p style='margin-left:5px !important;'>"
-					+ columnParameter.getDescription() + "</p>");
-			descr.addStyleName("workflow-fieldDescription");
-		}
-
-		vContainer = new SimpleContainer();
-		showNoSelectionField();
-		horiz.add(vContainer, new BoxLayoutData(new Margins()));
-		horiz.add(descr, new BoxLayoutData(new Margins()));
-
-		fieldContainer.add(horiz);
-		fieldContainer.forceLayout();
-
-	}
-
-	private void showNoSelectionField() {
-		vContainer.clear();
-		VerticalLayoutContainer vField = new VerticalLayoutContainer();
-		HtmlLayoutContainer typeDescription = new HtmlLayoutContainer(
-				"<div class='workflow-parameters-description'><p>Select table from parameter "
-						+ Format.ellipse(referredTabularParameterName, 30)
-						+ "</p></div>");
-		typeDescription.setStylePrimaryName("workflow-parameters-description");
-		vField.add(comboBox, new VerticalLayoutData(1, -1, new Margins(0)));
-		vField.add(typeDescription, new VerticalLayoutData(-1, -1, new Margins(
-				0)));
-		vContainer.add(vField);
-	}
-
-	private void showFieldWithSelection(TableItemSimple tableItem) {
-		vContainer.clear();
-		VerticalLayoutContainer vField = new VerticalLayoutContainer();
-		HtmlLayoutContainer typeDescription = new HtmlLayoutContainer(
-				"<div class='workflow-parameters-description'><p>Columns of Table "
-						+ Format.ellipse(tableItem.getName(), 30)
-						+ "</p></div>");
-		typeDescription.setStylePrimaryName("workflow-parameters-description");
-		vField.add(comboBox, new VerticalLayoutData(1, -1, new Margins(0)));
-		vField.add(typeDescription, new VerticalLayoutData(-1, -1, new Margins(
-				0)));
-		vContainer.add(vField);
-	}
-
-	/**
-	 * 
-	 */
-	@Override
-	public String getValue() {
-		ColumnItem columnItem = comboBox.getCurrentValue();
-		return columnItem != null ? columnItem.getName() : null;
-	}
-
-	/**
-	 * 
-	 */
-	@Override
-	public Widget getWidget() {
-		return fieldContainer;
-	}
-
-	@Override
-	public boolean isValid() {
-		return comboBox.isValid();
-	}
-
-	@Override
-	public void onChange(TabularFldChangeEvent event) {
-		TableItemSimple tableItemSimple = event.getTableItemSimple();
-		if (tableItemSimple == null) {
-			store.clear();
-			store.commitChanges();
-			comboBox.clear();
-			comboBox.setEnabled(false);
-			showNoSelectionField();
-		} else {
-			store.clear();
-			store.commitChanges();
-			comboBox.clear();
-			ArrayList<ColumnItem> columns = tableItemSimple.getColumns();
-			if (columns != null) {
-				store.addAll(columns);
-				store.commitChanges();
-				Log.debug("DefaultColumn: "+defaultColumn);
-				for (ColumnItem columnItem : columns) {
-					Log.debug("ColumnItem: "+ columnItem);
-					if (columnItem.getName().compareToIgnoreCase(defaultColumn) == 0) {
-						comboBox.setValue(columnItem);
-						break;
-					}
-				}
-				
-				
-			}
-			comboBox.setEnabled(true);
-			showFieldWithSelection(tableItemSimple);
-		}
-		fieldContainer.forceLayout();
-	}
-
-}

src/main/java/org/gcube/portlets/user/dataminerexecutor/client/parametersfield/EnumFld.java

@@ -1,94 +0,0 @@
-/**
- * 
- */
-package org.gcube.portlets.user.dataminerexecutor.client.parametersfield;
-
-import org.gcube.data.analysis.dataminermanagercl.shared.parameters.EnumParameter;
-import org.gcube.data.analysis.dataminermanagercl.shared.parameters.Parameter;
-
-import com.google.gwt.user.client.ui.Widget;
-import com.sencha.gxt.cell.core.client.form.ComboBoxCell.TriggerAction;
-import com.sencha.gxt.core.client.util.Margins;
-import com.sencha.gxt.data.shared.StringLabelProvider;
-import com.sencha.gxt.widget.core.client.container.HBoxLayoutContainer;
-import com.sencha.gxt.widget.core.client.container.HtmlLayoutContainer;
-import com.sencha.gxt.widget.core.client.container.SimpleContainer;
-import com.sencha.gxt.widget.core.client.container.BoxLayoutContainer.BoxLayoutData;
-import com.sencha.gxt.widget.core.client.container.BoxLayoutContainer.BoxLayoutPack;
-import com.sencha.gxt.widget.core.client.form.SimpleComboBox;
-
-/**
- * 
- * @author Giancarlo Panichi
- *
- *
- */
-public class EnumFld extends AbstractFld {
-
-	private SimpleContainer fieldContainer;
-	private SimpleComboBox<String> listBox;
-
-	/**
-	 * @param parameter
-	 *            parameter
-	 */
-	public EnumFld(Parameter parameter) {
-		super(parameter);
-		fieldContainer = new SimpleContainer();
-		HBoxLayoutContainer horiz = new HBoxLayoutContainer();
-		horiz.setPack(BoxLayoutPack.START);
-		horiz.setEnableOverflow(false);
-
-		EnumParameter p = (EnumParameter) parameter;
-
-		listBox = new SimpleComboBox<String>(new StringLabelProvider<>());
-		listBox.add(p.getValues());
-		listBox.setAllowBlank(false);
-		listBox.setForceSelection(true);
-		listBox.setEditable(false);
-		listBox.setTriggerAction(TriggerAction.ALL);
-
-		if (p.getDefaultValue() != null)
-			listBox.setValue(p.getDefaultValue());
-
-		HtmlLayoutContainer descr;
-
-		if (p.getDescription() == null) {
-			descr = new HtmlLayoutContainer("<p style='margin-left:5px !important;'></p>");
-			descr.addStyleName("workflow-fieldDescription");
-
-		} else {
-			// listBox.setToolTip(p.getDescription());
-			descr = new HtmlLayoutContainer("<p style='margin-left:5px !important;'>" + p.getDescription() + "</p>");
-			descr.addStyleName("workflow-fieldDescription");
-		}
-		horiz.add(listBox, new BoxLayoutData(new Margins()));
-		horiz.add(descr, new BoxLayoutData(new Margins()));
-
-		fieldContainer.add(horiz);
-		fieldContainer.forceLayout();
-
-	}
-
-	/**
-	 * 
-	 */
-	@Override
-	public String getValue() {
-		return listBox.getCurrentValue();
-	}
-
-	/**
-	 * 
-	 */
-	@Override
-	public Widget getWidget() {
-		return fieldContainer;
-	}
-
-	@Override
-	public boolean isValid() {
-		return listBox.isValid();
-	}
-
-}

src/main/java/org/gcube/portlets/user/dataminerexecutor/client/parametersfield/FileFld.java

@@ -4,10 +4,14 @@
 package org.gcube.portlets.user.dataminerexecutor.client.parametersfield;
 
 import org.gcube.data.analysis.dataminermanagercl.shared.parameters.Parameter;
+import org.gcube.portlets.user.dataminerexecutor.client.DataMinerExecutor;
+import org.gcube.portlets.user.dataminerexecutor.client.util.UtilsGXT3;
+import org.gcube.portlets.user.dataminerexecutor.client.workspace.DownloadWidget;
 
 import com.allen_sauer.gwt.log.client.Log;
 import com.google.gwt.user.client.ui.Widget;
 import com.sencha.gxt.core.client.util.Margins;
+import com.sencha.gxt.widget.core.client.button.TextButton;
 import com.sencha.gxt.widget.core.client.container.BoxLayoutContainer.BoxLayoutData;
 import com.sencha.gxt.widget.core.client.container.BoxLayoutContainer.BoxLayoutPack;
 import com.sencha.gxt.widget.core.client.container.HBoxLayoutContainer;
@@ -15,6 +19,7 @@ import com.sencha.gxt.widget.core.client.container.HtmlLayoutContainer;
 import com.sencha.gxt.widget.core.client.container.SimpleContainer;
 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;
 
 /**
  * 
@@ -25,10 +30,8 @@ import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer.Verti
 public class FileFld extends AbstractFld {
 
 	private SimpleContainer fieldContainer;
-	//private TextField textField;
 	private String value;
-	
+
-	
 	/**
 	 * @param parameter
 	 *            parameter
@@ -36,33 +39,43 @@ public class FileFld extends AbstractFld {
 	public FileFld(Parameter parameter) {
 		super(parameter);
 
-		//ObjectParameter p = (ObjectParameter) parameter;
+		Log.debug("Create File field: " + parameter.getName());
-		Log.debug("Create File field: "+parameter.getName());
+		value = parameter.getValue();
-		value=parameter.getValue();
+
-		
+		// Description
 		HtmlLayoutContainer descr;
 
 		descr = new HtmlLayoutContainer("<p style='margin-left:5px !important;'></p>");
 		descr.addStyleName("workflow-fieldDescription");
 
-		descr = new HtmlLayoutContainer("<p style='margin-left:5px !important;'>" + parameter.getDescription() + "</p>");
+		descr = new HtmlLayoutContainer(
+				"<p style='margin-left:5px !important;'>" + parameter.getDescription() + "</p>");
 		descr.addStyleName("workflow-fieldDescription");
 
+		// Value
+		TextButton downloadButton = new TextButton("");
+		downloadButton.setIcon(DataMinerExecutor.resources.download());
+		downloadButton.setTitle(value);
+		downloadButton.addSelectHandler(new SelectEvent.SelectHandler() {
+
+			@Override
+			public void onSelect(SelectEvent event) {
+				downloadUrl();
+			}
+		});
+
+		SimpleContainer dataContainer = new SimpleContainer();
+	    dataContainer.addStyleName("workflow-fieldValue");
+		dataContainer.add(downloadButton);
+
+		//
 		SimpleContainer vContainer = new SimpleContainer();
 		VerticalLayoutContainer vField = new VerticalLayoutContainer();
+
 		HtmlLayoutContainer typeDescription = new HtmlLayoutContainer("File Value");
 		typeDescription.setStylePrimaryName("workflow-parameters-description");
 
-		//textField = new TextField();
+		vField.add(dataContainer, new VerticalLayoutData(-1, -1, new Margins(0)));
-		//textField.setValue(p.getValue());
-		//textField.isReadOnly();
-		
-		HtmlLayoutContainer val = new HtmlLayoutContainer("<span style='overflow-wrap: break-word;'><a href='" + parameter.getValue() + "'>File</a></span>");			
-		val.addStyleName("workflow-fieldValue");
-
-		
-		vField.add(val, new VerticalLayoutData(-1, -1, new Margins(0)));
-
 		vField.add(typeDescription, new VerticalLayoutData(-1, -1, new Margins(0)));
 		vContainer.add(vField);
 
@@ -79,6 +92,15 @@ public class FileFld extends AbstractFld {
 
 	}
 
+	private void downloadUrl() {
+		if (value != null) {
+			DownloadWidget downloadWidget = new DownloadWidget();
+			downloadWidget.downloadUrl(value);
+		} else {
+			UtilsGXT3.info("Attention", "The url is invalid: " + value);
+		}
+
+	}
 
 	/**
 	 * 
@@ -100,7 +122,7 @@ public class FileFld extends AbstractFld {
 
 	@Override
 	public boolean isValid() {
-		if(value!=null&&!value.isEmpty()){
+		if (value != null && !value.isEmpty()) {
 			return true;
 		} else {
 			return false;

src/main/java/org/gcube/portlets/user/dataminerexecutor/client/parametersfield/ListIntFld.java

@@ -1,238 +0,0 @@
-/**
- * 
- */
-package org.gcube.portlets.user.dataminerexecutor.client.parametersfield;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import org.gcube.data.analysis.dataminermanagercl.shared.parameters.ListParameter;
-import org.gcube.data.analysis.dataminermanagercl.shared.parameters.ObjectParameter;
-import org.gcube.data.analysis.dataminermanagercl.shared.parameters.Parameter;
-import org.gcube.portlets.user.dataminerexecutor.client.DataMinerExecutor;
-
-import com.google.gwt.user.client.ui.Widget;
-import com.sencha.gxt.core.client.util.Margins;
-import com.sencha.gxt.widget.core.client.button.TextButton;
-import com.sencha.gxt.widget.core.client.container.BoxLayoutContainer.BoxLayoutData;
-import com.sencha.gxt.widget.core.client.container.BoxLayoutContainer.BoxLayoutPack;
-import com.sencha.gxt.widget.core.client.container.HBoxLayoutContainer;
-import com.sencha.gxt.widget.core.client.container.HtmlLayoutContainer;
-import com.sencha.gxt.widget.core.client.container.MarginData;
-import com.sencha.gxt.widget.core.client.container.SimpleContainer;
-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.form.IntegerField;
-
-/**
- * 
- * @author Giancarlo Panichi
- * 
- *
- */
-public class ListIntFld extends AbstractFld {
-
-	private List<Item> items;
-	private SimpleContainer simpleContainer;
-	private VerticalLayoutContainer vp;
-	private ListParameter listParameter;
-	private SimpleContainer listContainer;
-	private SimpleContainer fieldContainer;
-	private HBoxLayoutContainer horiz;
-
-	/**
-	 * @param parameter
-	 *            parameter
-	 */
-	public ListIntFld(Parameter parameter) {
-		super(parameter);
-		this.listParameter = (ListParameter) parameter;
-
-		listContainer = new SimpleContainer();
-		vp = new VerticalLayoutContainer();
-		items = new ArrayList<Item>();
-		addField(null);
-		listContainer.add(vp, new MarginData(new Margins()));
-
-		fieldContainer = new SimpleContainer();
-		horiz = new HBoxLayoutContainer();
-		horiz.setPack(BoxLayoutPack.START);
-		horiz.setEnableOverflow(false);
-
-		HtmlLayoutContainer descr;
-
-		if (listParameter.getDescription() == null) {
-			descr = new HtmlLayoutContainer("<p style='margin-left:5px !important;'></p>");
-			descr.addStyleName("workflow-fieldDescription");
-
-		} else {
-			// listContainer.setToolTip(listParameter.getDescription());
-			descr = new HtmlLayoutContainer(
-					"<p style='margin-left:5px !important;'>" + listParameter.getDescription() + "</p>");
-			descr.addStyleName("workflow-fieldDescription");
-		}
-
-		horiz.add(listContainer, new BoxLayoutData(new Margins(0)));
-		horiz.add(descr, new BoxLayoutData(new Margins(0)));
-
-		fieldContainer.add(horiz);
-		fieldContainer.forceLayout();
-
-	}
-
-	private void addField(Item upperItem) {
-
-		ObjectParameter objPar = new ObjectParameter(listParameter.getName(), listParameter.getDescription(),
-				listParameter.getType(), null);
-
-		if (upperItem == null) {
-			Item item = new Item(objPar, true);
-			items.add(item);
-			vp.add(item, new VerticalLayoutData(1, -1, new Margins()));
-		} else {
-			// search the position of the upper item
-			int pos = 0;
-			for (int i = 0; i < items.size(); i++)
-				if (items.get(i) == upperItem) {
-					pos = i;
-					break;
-				}
-
-			upperItem.showCancelButton();
-			Item item = new Item(objPar, false);
-			items.add(pos + 1, item);
-			vp.insert(item, pos + 1);
-		}
-
-	}
-
-	/**
-	 * @param item
-	 */
-	private void removeField(Item item) {
-		items.remove(item);
-
-		vp.remove(item);
-
-		if (items.size() == 1) {
-			items.get(0).hideCancelButton();
-		}
-
-		simpleContainer.forceLayout();
-
-	}
-
-	/**
-	 * 
-	 */
-	@Override
-	public String getValue() {
-		String separator = listParameter.getSeparator();
-		String value = "";
-		boolean first = true;
-		for (Item item : items) {
-			Integer itemValue = item.getValue();
-			if (itemValue != null) {
-				value += (first ? "" : separator) + itemValue;
-				first = false;
-			}
-		}
-		return value;
-	}
-
-	/**
-	 * 
-	 */
-	@Override
-	public Widget getWidget() {
-		return fieldContainer;
-	}
-
-	/**
-	 * 
-	 */
-	@Override
-	public boolean isValid() {
-		for (Item item : items)
-			if (!item.isValid()) {
-				return false;
-			}
-		return true;
-	}
-
-	private class Item extends HBoxLayoutContainer {
-
-		private IntegerField field;
-		private TextButton addBtn;
-		private TextButton removeBtn;
-
-		/**
-		 * @param objPar
-		 */
-		public Item(ObjectParameter objectParameter, boolean first) {
-			super();
-
-			field = new IntegerField();
-			field.setAllowBlank(false);
-
-			addBtn = new TextButton("");
-
-			addBtn.setIcon(DataMinerExecutor.resources.add());
-
-			addBtn.addSelectHandler(new SelectEvent.SelectHandler() {
-
-				@Override
-				public void onSelect(SelectEvent event) {
-					addField(Item.this);
-					forceLayout();
-					vp.forceLayout();
-					fieldContainer.forceLayout();
-				}
-			});
-
-			removeBtn = new TextButton("");
-
-			removeBtn.setIcon(DataMinerExecutor.resources.cancel());
-
-			removeBtn.addSelectHandler(new SelectEvent.SelectHandler() {
-
-				@Override
-				public void onSelect(SelectEvent event) {
-					removeField(Item.this);
-					forceLayout();
-					vp.forceLayout();
-					fieldContainer.forceLayout();
-
-				}
-			});
-
-			removeBtn.setVisible(!first);
-
-			setPack(BoxLayoutPack.START);
-			setEnableOverflow(false);
-			add(field, new BoxLayoutData(new Margins()));
-			add(addBtn, new BoxLayoutData(new Margins()));
-			add(removeBtn, new BoxLayoutData(new Margins()));
-
-			forceLayout();
-		}
-
-		public void showCancelButton() {
-			removeBtn.setVisible(true);
-		}
-
-		public void hideCancelButton() {
-			removeBtn.setVisible(false);
-		}
-
-		public Integer getValue() {
-			return field.getCurrentValue();
-		}
-
-		public boolean isValid() {
-			return field.isValid();
-		}
-	}
-
-}

src/main/java/org/gcube/portlets/user/dataminerexecutor/client/parametersfield/ListStringFld.java

@@ -3,22 +3,20 @@
  */
 package org.gcube.portlets.user.dataminerexecutor.client.parametersfield;
 
-import java.util.ArrayList;
-import java.util.List;
-
 import org.gcube.data.analysis.dataminermanagercl.shared.parameters.ListParameter;
-import org.gcube.data.analysis.dataminermanagercl.shared.parameters.ObjectParameter;
 import org.gcube.data.analysis.dataminermanagercl.shared.parameters.Parameter;
 
+import com.allen_sauer.gwt.log.client.Log;
+import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
 import com.google.gwt.user.client.ui.Widget;
 import com.sencha.gxt.core.client.util.Margins;
 import com.sencha.gxt.widget.core.client.container.BoxLayoutContainer.BoxLayoutData;
 import com.sencha.gxt.widget.core.client.container.BoxLayoutContainer.BoxLayoutPack;
 import com.sencha.gxt.widget.core.client.container.HBoxLayoutContainer;
 import com.sencha.gxt.widget.core.client.container.HtmlLayoutContainer;
-import com.sencha.gxt.widget.core.client.container.MarginData;
 import com.sencha.gxt.widget.core.client.container.SimpleContainer;
 import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer;
+import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer.VerticalLayoutData;
 
 /**
  * 
@@ -29,101 +27,75 @@ import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer;
 public class ListStringFld extends AbstractFld {
 
 	private SimpleContainer fieldContainer;
-	private HBoxLayoutContainer horiz;
+	// private TextField textField;
-	private SimpleContainer listContainer;
+	private String value;
-	private VerticalLayoutContainer vp;
-	private List<StringItem> items;
-	private ListParameter listParameter;
 
 	/**
-	 * 
 	 * @param parameter
 	 *            parameter
 	 */
 	public ListStringFld(Parameter parameter) {
 		super(parameter);
 
-		listParameter = (ListParameter) parameter;
+		// ObjectParameter p = (ObjectParameter) parameter;
+		Log.debug("Create String List field: " + parameter.getName());
+		value = parameter.getValue();
 
-		listContainer = new SimpleContainer();
+		ListParameter listParameter = (ListParameter) parameter;
-		vp = new VerticalLayoutContainer();
-		items = new ArrayList<StringItem>();
-		listContainer.add(vp, new MarginData(new Margins()));
 
-		fieldContainer = new SimpleContainer();
+		StringBuilder columnListHtml = new StringBuilder();
-		horiz = new HBoxLayoutContainer();
+		String tempValue = new String(value);
-		horiz.setPack(BoxLayoutPack.START);
+		int pos = tempValue.indexOf(listParameter.getSeparator());
-		horiz.setEnableOverflow(false);
+		while (pos > -1) {
+			SafeHtmlBuilder safeValue = new SafeHtmlBuilder();
+			safeValue.appendEscaped(tempValue.substring(0, pos));
+			columnListHtml.append("<span style='display:block;overflow-wrap: break-word;'>"
+					+ safeValue.toSafeHtml().asString() + "</span>");
+			tempValue = tempValue.substring(pos + 1, tempValue.length());
+			pos = tempValue.indexOf(listParameter.getSeparator());
+		}
+		if (tempValue != null && !tempValue.isEmpty()) {
+			SafeHtmlBuilder safeValue = new SafeHtmlBuilder();
+			safeValue.appendEscaped(tempValue);
+			columnListHtml.append("<span style='display:block;overflow-wrap: break-word;'>"
+					+ safeValue.toSafeHtml().asString() + "</span>");
+		} else {
+			columnListHtml.append("<span style='display:block;overflow-wrap: break-word;'></span>");
+		}
 
 		HtmlLayoutContainer descr;
 
-		if (listParameter.getDescription() == null) {
+		descr = new HtmlLayoutContainer("<p style='margin-left:5px !important;'></p>");
-			descr = new HtmlLayoutContainer("<p style='margin-left:5px !important;'></p>");
+		descr.addStyleName("workflow-fieldDescription");
-			descr.addStyleName("workflow-fieldDescription");
 
-		} else {
+		descr = new HtmlLayoutContainer(
-			/* listContainer.setToolTip(listParameter.getDescription()); */
+				"<p style='margin-left:5px !important;'>" + parameter.getDescription() + "</p>");
-			descr = new HtmlLayoutContainer(
+		descr.addStyleName("workflow-fieldDescription");
-					"<p style='margin-left:5px !important;'>" + listParameter.getDescription() + "</p>");
-			descr.addStyleName("workflow-fieldDescription");
-		}
 
-		horiz.add(listContainer, new BoxLayoutData(new Margins(0)));
+		SimpleContainer vContainer = new SimpleContainer();
-		horiz.add(descr, new BoxLayoutData(new Margins(0)));
+		VerticalLayoutContainer vField = new VerticalLayoutContainer();
+		HtmlLayoutContainer typeDescription = new HtmlLayoutContainer("");
+		typeDescription.setStylePrimaryName("workflow-parameters-description");
+
+		HtmlLayoutContainer val = new HtmlLayoutContainer(columnListHtml.toString());
+		val.addStyleName("workflow-fieldValue");
+
+		vField.add(val, new VerticalLayoutData(-1, -1, new Margins(0)));
+
+		vField.add(typeDescription, new VerticalLayoutData(-1, -1, new Margins(0)));
+		vContainer.add(vField);
+
+		fieldContainer = new SimpleContainer();
+		HBoxLayoutContainer horiz = new HBoxLayoutContainer();
+		horiz.setPack(BoxLayoutPack.START);
+		horiz.setEnableOverflow(false);
+
+		horiz.add(vContainer, new BoxLayoutData(new Margins()));
+		horiz.add(descr, new BoxLayoutData(new Margins()));
 
 		fieldContainer.add(horiz);
-		addField(null);
-	}
-
-	protected void addField(StringItem upperItem) {
-
-		ObjectParameter objPar = new ObjectParameter(listParameter.getName(), listParameter.getDescription(),
-				listParameter.getType(), null);
-
-		if (upperItem == null) {
-			StringItem item = new StringItem(this, objPar, true);
-			items.add(item);
-			vp.add(item);
-		} else {
-			// search the position of the upper item
-			int pos = items.indexOf(upperItem);
-			if (pos > -1) {
-				upperItem.showCancelButton();
-				upperItem.forceLayout();
-				StringItem item = new StringItem(this, objPar, false);
-				items.add(pos + 1, item);
-				vp.insert(item, pos + 1);// don't use new VerticalLayoutData(1,
-											// -1,new Margins(0))
-			} else {
-				upperItem.forceLayout();
-				StringItem item = new StringItem(this, objPar, true);
-				items.add(item);
-				vp.add(item);// don't use new VerticalLayoutData(-1, -1, new
-								// Margins(0))
-			}
-		}
-
-		forceLayout();
-
-	}
-
-	protected void forceLayout() {
-		vp.forceLayout();
-		horiz.forceLayout();
 		fieldContainer.forceLayout();
-	}
 
-	protected void removeField(StringItem item) {
-		items.remove(item);
-
-		vp.remove(item);
-
-		if (items.size() == 1) {
-			items.get(0).hideCancelButton();
-			items.get(0).forceLayout();
-		}
-
-		forceLayout();
 	}
 
 	/**
@@ -131,16 +103,6 @@ public class ListStringFld extends AbstractFld {
 	 */
 	@Override
 	public String getValue() {
-		String separator = listParameter.getSeparator();
-		String value = "";
-		boolean first = true;
-		for (StringItem item : items) {
-			String itemValue = item.getValue();
-			if (itemValue != null && !itemValue.contentEquals("")) {
-				value += (first ? "" : separator) + itemValue;
-				first = false;
-			}
-		}
 		return value;
 	}
 
@@ -152,18 +114,13 @@ public class ListStringFld extends AbstractFld {
 		return fieldContainer;
 	}
 
-	/**
-	 * 
-	 */
 	@Override
 	public boolean isValid() {
-		boolean valid = false;
+		if (value != null && !value.isEmpty()) {
-		for (StringItem item : items)
+			return true;
-			if (item.isValid()) {
+		} else {
-				valid = true;
+			return false;
-				break;
+		}
-			}
-		return valid;
 	}
 
 }

src/main/java/org/gcube/portlets/user/dataminerexecutor/client/parametersfield/StringItem.java

@@ -1,95 +0,0 @@
-package org.gcube.portlets.user.dataminerexecutor.client.parametersfield;
-
-import org.gcube.data.analysis.dataminermanagercl.shared.parameters.ObjectParameter;
-import org.gcube.portlets.user.dataminerexecutor.client.DataMinerExecutor;
-
-import com.sencha.gxt.core.client.util.Margins;
-import com.sencha.gxt.widget.core.client.button.TextButton;
-import com.sencha.gxt.widget.core.client.container.HBoxLayoutContainer;
-import com.sencha.gxt.widget.core.client.event.SelectEvent;
-import com.sencha.gxt.widget.core.client.form.TextField;
-
-/**
- * 
- * @author Giancarlo Panichi
- * 
- *
- */
-public class StringItem extends HBoxLayoutContainer {
-	private ListStringFld parent;
-	private TextField field;
-	private TextButton addBtn;
-	private TextButton removeBtn;
-
-	/**
-	 * 
-	 * @param parent parend
-	 * @param objectParameter object parameter
-	 * @param first true if is first
-	 */
-	public StringItem(ListStringFld parent, ObjectParameter objectParameter, boolean first) {
-		super();
-		this.parent=parent;
-		create(objectParameter,first);	
-	}
-	
-	private void create( ObjectParameter objectParameter, boolean first){
-		field = new TextField();
-		field.setAllowBlank(false);
-
-		addBtn = new TextButton("");
-
-		addBtn.setIcon(DataMinerExecutor.resources.add());
-
-		addBtn.addSelectHandler(new SelectEvent.SelectHandler() {
-
-			@Override
-			public void onSelect(SelectEvent event) {
-				parent.addField(StringItem.this);
-				
-
-			}
-		});
-
-		removeBtn = new TextButton("");
-
-		removeBtn.setIcon(DataMinerExecutor.resources.cancel());
-
-		removeBtn.addSelectHandler(new SelectEvent.SelectHandler() {
-
-			@Override
-			public void onSelect(SelectEvent event) {
-				parent.removeField(StringItem.this);
-				
-
-			}
-		});
-
-		removeBtn.setVisible(!first);
-
-		setPack(BoxLayoutPack.START);
-		setEnableOverflow(false);
-		add(field, new BoxLayoutData(new Margins()));
-		add(addBtn, new BoxLayoutData(new Margins()));
-		add(removeBtn, new BoxLayoutData(new Margins()));
-
-		forceLayout();
-	}
-
-	public void showCancelButton() {
-		removeBtn.setVisible(true);
-	}
-
-	public void hideCancelButton() {
-		removeBtn.setVisible(false);
-	}
-
-	public String getValue() {
-		return field.getCurrentValue();
-	}
-
-	public boolean isValid() {
-		return field.isValid();
-	}
-
-}

src/main/java/org/gcube/portlets/user/dataminerexecutor/client/parametersfield/TabItem.java

@@ -1,264 +0,0 @@
-package org.gcube.portlets.user.dataminerexecutor.client.parametersfield;
-
-import org.gcube.data.analysis.dataminermanagercl.shared.data.TableItemSimple;
-import org.gcube.data.analysis.dataminermanagercl.shared.parameters.TabularParameter;
-import org.gcube.data.analysis.dataminermanagercl.shared.workspace.ItemDescription;
-import org.gcube.portlets.user.dataminerexecutor.client.DataMinerExecutor;
-import org.gcube.portlets.user.dataminerexecutor.client.rpc.DataMinerExecutorServiceAsync;
-import org.gcube.portlets.user.dataminerexecutor.client.util.UtilsGXT3;
-import org.gcube.portlets.user.dataminerexecutor.client.workspace.DownloadWidget;
-import org.gcube.portlets.user.dataminerexecutor.shared.exception.SessionExpiredServiceException;
-import org.gcube.portlets.widgets.wsexplorer.client.notification.WorkspaceExplorerSelectNotification.WorskpaceExplorerSelectNotificationListener;
-import org.gcube.portlets.widgets.wsexplorer.client.select.WorkspaceExplorerSelectDialog;
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
-import org.gcube.portlets.widgets.wsexplorer.shared.ItemType;
-
-import com.allen_sauer.gwt.log.client.Log;
-import com.google.gwt.user.client.rpc.AsyncCallback;
-import com.sencha.gxt.core.client.dom.XDOM;
-import com.sencha.gxt.core.client.util.Margins;
-import com.sencha.gxt.widget.core.client.button.TextButton;
-import com.sencha.gxt.widget.core.client.container.HBoxLayoutContainer;
-import com.sencha.gxt.widget.core.client.event.SelectEvent;
-import com.sencha.gxt.widget.core.client.form.TextField;
-
-/**
- * 
- * @author Giancarlo Panichi
- *
- *
- */
-public class TabItem extends HBoxLayoutContainer {
-
-	private TabularListFld parent;
-	private TextButton selectButton;
-	private TextButton selectButton2;
-	private TableItemSimple selectedTableItem;
-	private TextButton addBtn;
-	private TextButton removeBtn;
-	private TextField tableDescription;
-	private WorkspaceExplorerSelectDialog wselectDialog;
-	private TextButton downloadButton;
-	private ItemDescription itemDescriptionSelected;
-
-	/**
-	 * 
-	 * @param parent
-	 *            parent
-	 * @param tabularParameter
-	 *            tabular parameter
-	 * @param first
-	 *            true if is first
-	 */
-	public TabItem(TabularListFld parent, TabularParameter tabularParameter, boolean first) {
-		super();
-		this.parent = parent;
-		initDialog();
-		create(tabularParameter, first);
-	}
-
-	private void create(TabularParameter tabularParameter, boolean first) {
-
-		tableDescription = new TextField();
-		tableDescription.setReadOnly(true);
-		tableDescription.setVisible(false);
-
-		selectButton = new TextButton("Select Data Set");
-		selectButton.addSelectHandler(new SelectEvent.SelectHandler() {
-
-			@Override
-			public void onSelect(SelectEvent event) {
-				wselectDialog.show();
-			}
-		});
-
-		selectButton.setIcon(DataMinerExecutor.resources.folderExplore());
-		selectButton.setToolTip("Select Data Set");
-
-		selectButton2 = new TextButton("");
-		selectButton2.setIcon(DataMinerExecutor.resources.folderExplore());
-		selectButton2.setToolTip("Select Another Data Set");
-		selectButton2.addSelectHandler(new SelectEvent.SelectHandler() {
-
-			@Override
-			public void onSelect(SelectEvent event) {
-				wselectDialog.show();
-			}
-		});
-		selectButton2.setVisible(false);
-
-		downloadButton = new TextButton("");
-		downloadButton.setIcon(DataMinerExecutor.resources.download());
-		downloadButton.addSelectHandler(new SelectEvent.SelectHandler() {
-
-			@Override
-			public void onSelect(SelectEvent event) {
-				downloadFile();
-			}
-		});
-		downloadButton.setVisible(false);
-
-		addBtn = new TextButton("");
-		addBtn.setIcon(DataMinerExecutor.resources.add());
-		addBtn.addSelectHandler(new SelectEvent.SelectHandler() {
-
-			@Override
-			public void onSelect(SelectEvent event) {
-				parent.addField(TabItem.this);
-
-			}
-		});
-
-		removeBtn = new TextButton("");
-		removeBtn.setIcon(DataMinerExecutor.resources.cancel());
-		removeBtn.addSelectHandler(new SelectEvent.SelectHandler() {
-
-			@Override
-			public void onSelect(SelectEvent event) {
-				selectedTableItem = null;
-				parent.removeField(TabItem.this);
-
-			}
-		});
-		removeBtn.setVisible(!first);
-
-		setPack(BoxLayoutPack.START);
-		setEnableOverflow(false);
-
-		add(tableDescription, new BoxLayoutData(new Margins()));
-		add(selectButton, new BoxLayoutData(new Margins()));
-		add(selectButton2, new BoxLayoutData(new Margins()));
-		add(downloadButton, new BoxLayoutData(new Margins()));
-		add(addBtn, new BoxLayoutData(new Margins()));
-		add(removeBtn, new BoxLayoutData(new Margins()));
-
-		forceLayout();
-
-	}
-
-	private void initDialog() {
-
-		
-		wselectDialog = new WorkspaceExplorerSelectDialog("Select CSV", false);
-		
-		WorskpaceExplorerSelectNotificationListener handler = new WorskpaceExplorerSelectNotificationListener() {
-
-			@Override
-			public void onSelectedItem(Item item) {
-
-				if (item == null || item.getType() == ItemType.FOLDER
-						|| item.getType() == ItemType.PRIVATE_FOLDER 
-						|| item.getType() == ItemType.SHARED_FOLDER
-						|| item.getType() == ItemType.VRE_FOLDER) {
-					UtilsGXT3.info("Attention", "Select a valid csv!");
-
-				} else {
-					TabItem.this.retrieveTableInformation(item);
-
-				}
-
-			}
-
-			@Override
-			public void onFailed(Throwable throwable) {
-				Log.error("Error in create project: " + throwable.getLocalizedMessage());
-				UtilsGXT3.alert("Error", throwable.getLocalizedMessage());
-				throwable.printStackTrace();
-			}
-
-			@Override
-			public void onAborted() {
-
-			}
-
-			@Override
-			public void onNotValidSelection() {
-				UtilsGXT3.info("Attention", "Select a valid csv!");
-			}
-		};
-
-		wselectDialog.addWorkspaceExplorerSelectNotificationListener(handler);
-		wselectDialog.setZIndex(XDOM.getTopZIndex());
-
-	}
-
-	private void retrieveTableInformation(Item item) {
-		Log.debug("Retrieved: " + item);
-		itemDescriptionSelected = new ItemDescription(item.getId(), item.getName(), item.getOwner(), item.getPath(),
-				item.getType().name());
-
-		DataMinerExecutorServiceAsync.INSTANCE.retrieveTableInformation(itemDescriptionSelected, new AsyncCallback<TableItemSimple>() {
-
-			@Override
-			public void onFailure(Throwable caught) {
-				Log.error("Error in retrieveTableInformation " + caught.getMessage());
-				if (caught instanceof SessionExpiredServiceException) {
-					UtilsGXT3.alert("Error", "Expired Session");
-
-				} else {
-					UtilsGXT3.alert("Error", "Error retrieving table information: " + caught.getLocalizedMessage());
-				}
-
-			}
-
-			@Override
-			public void onSuccess(TableItemSimple result) {
-				Log.debug("Retrieved: " + result);
-				selectedTableItem = result;
-				showFieldWithSelection();
-
-			}
-		});
-	}
-
-	private void downloadFile() {
-		if (itemDescriptionSelected != null) {
-			DownloadWidget downloadWidget = new DownloadWidget();
-			downloadWidget.download(itemDescriptionSelected.getId());
-		} else {
-			UtilsGXT3.info("Attention", "Select a table!");
-		}
-	}
-
-	/**
-		 * 
-		 */
-	private void showFieldWithSelection() {
-		try {
-
-			String tableName = selectedTableItem.getName();
-
-			if (tableName == null || tableName.isEmpty()) {
-				tableName = "NoName";
-			}
-
-			tableDescription.setValue(tableName);
-			tableDescription.setVisible(true);
-			selectButton.setVisible(false);
-			selectButton2.setVisible(true);
-			downloadButton.setVisible(true);
-			parent.forceLayout();
-
-		} catch (Throwable e) {
-			Log.error(e.getLocalizedMessage());
-			e.printStackTrace();
-		}
-	}
-
-	public void showCancelButton() {
-		removeBtn.setVisible(true);
-	}
-
-	public void hideCancelButton() {
-		removeBtn.setVisible(false);
-	}
-
-	public String getValue() {
-		return (selectedTableItem == null) ? null : selectedTableItem.getId();
-	}
-
-	public boolean isValid() {
-		return (selectedTableItem != null);
-	}
-
-}

src/main/java/org/gcube/portlets/user/dataminerexecutor/client/parametersfield/TabularFld.java

@@ -4,17 +4,23 @@
 package org.gcube.portlets.user.dataminerexecutor.client.parametersfield;
 
 import org.gcube.data.analysis.dataminermanagercl.shared.parameters.Parameter;
+import org.gcube.portlets.user.dataminerexecutor.client.DataMinerExecutor;
+import org.gcube.portlets.user.dataminerexecutor.client.util.UtilsGXT3;
+import org.gcube.portlets.user.dataminerexecutor.client.workspace.DownloadWidget;
 
 import com.allen_sauer.gwt.log.client.Log;
 import com.google.gwt.user.client.ui.Widget;
 import com.sencha.gxt.core.client.util.Margins;
 import com.sencha.gxt.widget.core.client.container.BoxLayoutContainer.BoxLayoutData;
 import com.sencha.gxt.widget.core.client.container.BoxLayoutContainer.BoxLayoutPack;
+import com.sencha.gxt.widget.core.client.button.TextButton;
 import com.sencha.gxt.widget.core.client.container.HBoxLayoutContainer;
 import com.sencha.gxt.widget.core.client.container.HtmlLayoutContainer;
+
 import com.sencha.gxt.widget.core.client.container.SimpleContainer;
 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;
 
 /**
  * 
@@ -25,10 +31,8 @@ import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer.Verti
 public class TabularFld extends AbstractFld {
 
 	private SimpleContainer fieldContainer;
-	//private TextField textField;
 	private String value;
-	
+
-	
 	/**
 	 * @param parameter
 	 *            parameter
@@ -36,33 +40,43 @@ public class TabularFld extends AbstractFld {
 	public TabularFld(Parameter parameter) {
 		super(parameter);
 
-		//ObjectParameter p = (ObjectParameter) parameter;
+		Log.debug("Create Tabular field: " + parameter.getName());
-		Log.debug("Create File field: "+parameter.getName());
+		value = parameter.getValue();
-		value=parameter.getValue();
+
-		
+		// Description
 		HtmlLayoutContainer descr;
 
 		descr = new HtmlLayoutContainer("<p style='margin-left:5px !important;'></p>");
 		descr.addStyleName("workflow-fieldDescription");
 
-		descr = new HtmlLayoutContainer("<p style='margin-left:5px !important;'>" + parameter.getDescription() + "</p>");
+		descr = new HtmlLayoutContainer(
+				"<p style='margin-left:5px !important;'>" + parameter.getDescription() + "</p>");
 		descr.addStyleName("workflow-fieldDescription");
 
+		// Value
+		TextButton downloadButton = new TextButton("");
+		downloadButton.setIcon(DataMinerExecutor.resources.download());
+		downloadButton.setTitle(value);
+		downloadButton.addSelectHandler(new SelectEvent.SelectHandler() {
+
+			@Override
+			public void onSelect(SelectEvent event) {
+				downloadUrl();
+			}
+		});
+
+		SimpleContainer dataContainer = new SimpleContainer();
+		dataContainer.addStyleName("workflow-fieldValue");
+		dataContainer.add(downloadButton);
+
+		//
 		SimpleContainer vContainer = new SimpleContainer();
 		VerticalLayoutContainer vField = new VerticalLayoutContainer();
+
 		HtmlLayoutContainer typeDescription = new HtmlLayoutContainer("Table Value");
 		typeDescription.setStylePrimaryName("workflow-parameters-description");
 
-		//textField = new TextField();
+		vField.add(dataContainer, new VerticalLayoutData(-1, -1, new Margins(0)));
-		//textField.setValue(p.getValue());
-		//textField.isReadOnly();
-		
-		HtmlLayoutContainer val = new HtmlLayoutContainer("<span style='overflow-wrap: break-word;'><a href='" + parameter.getValue() + "'>Table</a></span>");			
-		val.addStyleName("workflow-fieldValue");
-
-		
-		vField.add(val, new VerticalLayoutData(-1, -1, new Margins(0)));
-
 		vField.add(typeDescription, new VerticalLayoutData(-1, -1, new Margins(0)));
 		vContainer.add(vField);
 
@@ -79,6 +93,15 @@ public class TabularFld extends AbstractFld {
 
 	}
 
+	private void downloadUrl() {
+		if (value != null) {
+			DownloadWidget downloadWidget = new DownloadWidget();
+			downloadWidget.downloadUrl(value);
+		} else {
+			UtilsGXT3.info("Attention", "The url is invalid: " + value);
+		}
+
+	}
 
 	/**
 	 * 
@@ -100,7 +123,7 @@ public class TabularFld extends AbstractFld {
 
 	@Override
 	public boolean isValid() {
-		if(value!=null&&!value.isEmpty()){
+		if (value != null && !value.isEmpty()) {
 			return true;
 		} else {
 			return false;

src/main/java/org/gcube/portlets/user/dataminerexecutor/client/parametersfield/TabularListFld.java

@@ -4,21 +4,26 @@
 package org.gcube.portlets.user.dataminerexecutor.client.parametersfield;
 
 import java.util.ArrayList;
-import java.util.List;
 
 import org.gcube.data.analysis.dataminermanagercl.shared.parameters.Parameter;
 import org.gcube.data.analysis.dataminermanagercl.shared.parameters.TabularListParameter;
-import org.gcube.data.analysis.dataminermanagercl.shared.parameters.TabularParameter;
+import org.gcube.portlets.user.dataminerexecutor.client.DataMinerExecutor;
+import org.gcube.portlets.user.dataminerexecutor.client.util.UtilsGXT3;
+import org.gcube.portlets.user.dataminerexecutor.client.workspace.DownloadWidget;
 
 import com.allen_sauer.gwt.log.client.Log;
+import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
 import com.google.gwt.user.client.ui.Widget;
 import com.sencha.gxt.core.client.util.Margins;
+import com.sencha.gxt.widget.core.client.button.TextButton;
+import com.sencha.gxt.widget.core.client.container.BoxLayoutContainer.BoxLayoutData;
 import com.sencha.gxt.widget.core.client.container.BoxLayoutContainer.BoxLayoutPack;
 import com.sencha.gxt.widget.core.client.container.HBoxLayoutContainer;
 import com.sencha.gxt.widget.core.client.container.HtmlLayoutContainer;
-import com.sencha.gxt.widget.core.client.container.MarginData;
 import com.sencha.gxt.widget.core.client.container.SimpleContainer;
 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;
 
 /**
  * 
@@ -29,11 +34,9 @@ import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer;
 public class TabularListFld extends AbstractFld {
 
 	private SimpleContainer fieldContainer;
-	private HBoxLayoutContainer horiz;
+	private VerticalLayoutContainer vl;
-	private SimpleContainer listContainer;
+	private ArrayList<String> list;
-	private List<TabItem> items;
+	private String value;
-	private VerticalLayoutContainer vp;
-	private TabularListParameter tabularListParameter;
 
 	/**
 	 * @param parameter
@@ -41,131 +44,117 @@ public class TabularListFld extends AbstractFld {
 	 */
 	public TabularListFld(Parameter parameter) {
 		super(parameter);
-		Log.debug("TabularListField");
-		try {
-			tabularListParameter = (TabularListParameter) parameter;
-			createField();
-		} catch (Throwable e) {
-			Log.error("TabularListField: " + e.getLocalizedMessage());
-			e.printStackTrace();
-		}
-	}
 
-	private void createField() {
+		Log.debug("Create Tabular List field: " + parameter.getName());
-		vp = new VerticalLayoutContainer();
+		value = parameter.getValue();
-		items = new ArrayList<>();
 
-		listContainer = new SimpleContainer();
+		TabularListParameter tabularListParameter = (TabularListParameter) parameter;
-		listContainer.add(vp, new MarginData(new Margins(0)));
-
-		/*
-		 * List<String> templates = tabularListParameter.getTemplates(); String
-		 * list = ""; boolean firstTemplate = true; for (String template :
-		 * templates) { list += (firstTemplate ? "" : ", ") +
-		 * Format.ellipse(template,50); firstTemplate = false; }
-		 * HtmlLayoutContainer templatesList = new
-		 * HtmlLayoutContainer("<p>Suitable Data Set Templates: <br>" +
-		 * list+"</p>");
-		 * templatesList.addStyleName("workflow-parameters-description");
-		 */
-
-		fieldContainer = new SimpleContainer();
-		// fieldContainer.setResize(true);
-		horiz = new HBoxLayoutContainer();
-		horiz.setPack(BoxLayoutPack.START);
-		horiz.setEnableOverflow(false);
 
 		HtmlLayoutContainer descr;
 
-		if (tabularListParameter.getDescription() == null) {
+		descr = new HtmlLayoutContainer("<p style='margin-left:5px !important;'></p>");
-			descr = new HtmlLayoutContainer("<p style='margin-left:5px !important;'></p>");
+		descr.addStyleName("workflow-fieldDescription");
-			descr.addStyleName("workflow-fieldDescription");
-		} else {
-			/* listContainer.setToolTip(listParameter.getDescription()); */
-			descr = new HtmlLayoutContainer(
-					"<p style='margin-left:5px !important;'>" + tabularListParameter.getDescription() + "</p>");
-			descr.addStyleName("workflow-fieldDescription");
-		}
 
-		horiz.add(listContainer);
+		descr = new HtmlLayoutContainer(
-		horiz.add(descr);
+				"<p style='margin-left:5px !important;'>" + parameter.getDescription() + "</p>");
+		descr.addStyleName("workflow-fieldDescription");
 
-		fieldContainer.add(horiz, new MarginData(new Margins(0)));
+		vl = new VerticalLayoutContainer();
+		createListField(tabularListParameter);
+
+		SimpleContainer dataContainer = new SimpleContainer();
+		dataContainer.addStyleName("workflow-fieldValue");
+		dataContainer.add(vl);
+
+		//
+		SimpleContainer vContainer = new SimpleContainer();
+		VerticalLayoutContainer vField = new VerticalLayoutContainer();
+		HtmlLayoutContainer typeDescription = new HtmlLayoutContainer("");
+		typeDescription.setStylePrimaryName("workflow-parameters-description");
+
+		vField.add(dataContainer, new VerticalLayoutData(-1, -1, new Margins(0)));
+		vField.add(typeDescription, new VerticalLayoutData(-1, -1, new Margins(0)));
+		vContainer.add(vField);
+
+		fieldContainer = new SimpleContainer();
+		HBoxLayoutContainer horiz = new HBoxLayoutContainer();
+		horiz.setPack(BoxLayoutPack.START);
+		horiz.setEnableOverflow(false);
+
+		horiz.add(vContainer, new BoxLayoutData(new Margins()));
+		horiz.add(descr, new BoxLayoutData(new Margins()));
+
+		fieldContainer.add(horiz);
 		fieldContainer.forceLayout();
-		addField(null);
+
 	}
 
-	protected void addField(TabItem upperItem) {
+	private void createListField(TabularListParameter tabularListParameter) {
-		try {
+		String tempValue = new String(value);
+		list = new ArrayList<>();
 
-			TabularParameter tabPar = new TabularParameter(tabularListParameter.getName(),
+		int pos = tempValue.indexOf(tabularListParameter.getSeparator());
-					tabularListParameter.getDescription(), null, tabularListParameter.getTemplates(),
+		while (pos > -1) {
-					tabularListParameter.getDefaultMimeType(), tabularListParameter.getSupportedMimeTypes());
+			SafeHtmlBuilder safeValue = new SafeHtmlBuilder();
+			safeValue.appendEscaped(tempValue.substring(0, pos));
+			list.add(safeValue.toSafeHtml().asString());
+			tempValue = tempValue.substring(pos + 1, tempValue.length());
+			pos = tempValue.indexOf(tabularListParameter.getSeparator());
+		}
+		if (tempValue != null && !tempValue.isEmpty()) {
+			SafeHtmlBuilder safeValue = new SafeHtmlBuilder();
+			safeValue.appendEscaped(tempValue);
+			list.add(safeValue.toSafeHtml().asString());
+		}
 
-			if (upperItem == null) {
+		for (int i = 0; i < list.size(); i++) {
-				TabItem item = new TabItem(this, tabPar, true);
+			String url = list.get(i);
-				items.add(item);
+			TextButton downloadButton = new TextButton("");
-				vp.add(item);// don't use new VerticalLayoutData(1, -1, new
+			downloadButton.setIcon(DataMinerExecutor.resources.download());
-								// Margins(0))
+			downloadButton.setTitle(url);
-			} else {
+			downloadButton.setItemId(String.valueOf(i));
-				// search the position of the upper item
+			downloadButton.addSelectHandler(new SelectEvent.SelectHandler() {
-				int pos = items.indexOf(upperItem);
+
-				if (pos > -1) {
+				@Override
-					upperItem.showCancelButton();
+				public void onSelect(SelectEvent event) {
-					upperItem.forceLayout();
+					downloadRequest(event);
-					TabItem item = new TabItem(this, tabPar, false);
-					items.add(pos + 1, item);
-					vp.insert(item, pos + 1);// don't use new
-												// VerticalLayoutData(-1, -1,new
-												// Margins(0))
-				} else {
-					upperItem.forceLayout();
-					TabItem item = new TabItem(this, tabPar, true);
-					items.add(item);
-					vp.add(item);// don't use new VerticalLayoutData(-1, -1, new
-									// Margins(0))
 				}
+
+			});
+			vl.add(downloadButton, new VerticalLayoutData(-1, -1, new Margins(0)));
+
+		}
+
+	}
+
+	private void downloadRequest(SelectEvent event) {
+		TextButton button = (TextButton) event.getSource();
+		String id = button.getItemId();
+		try {
+			int i = Integer.valueOf(id);
+			if (i > -1 && i < list.size() && !list.isEmpty()) {
+				downloadUrl(list.get(i));
 			}
-
+		} catch (NumberFormatException e) {
-			forceLayout();
+			Log.error("Invalid id: " + e.getLocalizedMessage(), e);
-
-		} catch (Throwable e) {
-			Log.error(e.getLocalizedMessage());
-			e.printStackTrace();
 		}
 	}
 
-	protected void removeField(TabItem item) {
+	private void downloadUrl(String url) {
-		items.remove(item);
+		if (value != null) {
-
+			DownloadWidget downloadWidget = new DownloadWidget();
-		if (items.size() == 1) {
+			downloadWidget.downloadUrl(value);
-			items.get(0).hideCancelButton();
+		} else {
-			items.get(0).forceLayout();
+			UtilsGXT3.info("Attention", "The url is invalid: " + value);
 		}
-		vp.remove(item);
+
-		forceLayout();
-	}
-
-	protected void forceLayout() {
-		vp.forceLayout();
-		listContainer.forceLayout();
-		horiz.forceLayout();
-		fieldContainer.forceLayout();
 	}
 
+	/**
+	 * 
+	 */
 	@Override
 	public String getValue() {
-		String separator = tabularListParameter.getSeparator();
-		// String separator="";
-		String value = "";
-		boolean first = true;
-		for (TabItem item : items) {
-			String itemValue = item.getValue();
-			if (itemValue != null && !itemValue.contentEquals("")) {
-				value += (first ? "" : separator) + itemValue;
-				first = false;
-			}
-		}
 		return value;
 	}
 
@@ -179,13 +168,11 @@ public class TabularListFld extends AbstractFld {
 
 	@Override
 	public boolean isValid() {
-		boolean valid = false;
+		if (value != null && !value.isEmpty()) {
-		for (TabItem item : items)
+			return true;
-			if (item.isValid()) {
+		} else {
-				valid = true;
+			return false;
-				break;
+		}
-			}
-		return valid;
 	}
 
 }

src/main/java/org/gcube/portlets/user/dataminerexecutor/client/workspace/DownloadWidget.java

@@ -51,6 +51,11 @@ public class DownloadWidget {
 		});
 	}
 
+	public void downloadUrl(String url) {
+		Log.debug("Download from url: "+url);
+		Window.open(URL.encode(url.toString()), "_blank", "");
+	}
+
 	private void requestDownload(ItemDescription itemDescription) {
 		switch (itemDescription.getType()) {
 		case "AbstractFileItem":

src/main/webapp/DataMinerExecutor.css

@@ -398,6 +398,7 @@
 
 .menuItemImage {
 	opacity: 0.5;
+	float: right;
 }
 
 .menuItemImage:HOVER {