data-miner-manager/src/main/java/org/gcube/portlets/user/dataminermanager/client/parametersfield/TabularListFld.java

431 lines
12 KiB
Java

/**
*
*/
package org.gcube.portlets.user.dataminermanager.client.parametersfield;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.apache.commons.digester.SetRootRule;
import org.gcube.portlets.user.dataminermanager.client.DataMinerManager;
import org.gcube.portlets.user.dataminermanager.client.bean.parameters.Parameter;
import org.gcube.portlets.user.dataminermanager.client.bean.parameters.TabularListParameter;
import org.gcube.portlets.user.dataminermanager.client.bean.parameters.TabularParameter;
import org.gcube.portlets.user.dataminermanager.client.rpc.DataMinerPortletServiceAsync;
import org.gcube.portlets.user.dataminermanager.client.util.UtilsGXT3;
import org.gcube.portlets.user.dataminermanager.shared.data.TableItemSimple;
import org.gcube.portlets.user.dataminermanager.shared.exception.ExpiredSessionServiceException;
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.google.gwt.user.client.ui.Widget;
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.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.TextField;
/**
*
* @author Giancarlo Panichi email: <a
* href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
*
*/
public class TabularListFld extends AbstractFld {
private SimpleContainer fieldContainer;
private HBoxLayoutContainer horiz;
private SimpleContainer listContainer;
private List<TabItem> items;
private VerticalLayoutContainer vp;
private TabularListParameter tabularListParameter;
private WorkspaceExplorerSelectDialog wselectDialog;
/**
* @param parameter
*/
public TabularListFld(Parameter parameter) {
super(parameter);
Log.debug("TabularListField");
tabularListParameter = (TabularListParameter) parameter;
vp = new VerticalLayoutContainer();
items = new ArrayList<>();
listContainer = new SimpleContainer();
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;'></p>");
descr.addStyleName("workflow-fieldDescription");
} else {
/* listContainer.setToolTip(listParameter.getDescription()); */
descr = new HtmlLayoutContainer("<p style='margin-left:5px;'>"
+ tabularListParameter.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, new MarginData(new Margins(0)));
addField(null);
fieldContainer.forceLayout();
}
private void addField(TabItem upperItem) {
try {
TabularParameter tabPar = new TabularParameter(
tabularListParameter.getName(),
tabularListParameter.getDescription(), null,
tabularListParameter.getTemplates());
if (upperItem == null) {
TabItem item = new TabItem(tabPar, true);
items.add(item);
vp.add(item, new VerticalLayoutData(1, -1, new Margins(0)));
} else {
// search the position of the upper item
int pos = items.indexOf(upperItem);
if (pos > -1) {
upperItem.showCancelButton();
TabItem item = new TabItem(tabPar, false);
items.add(pos + 1, item);
vp.insert(item, pos + 1, new VerticalLayoutData(1, -1,
new Margins(0)));
} else {
TabItem item = new TabItem(tabPar, true);
items.add(item);
vp.add(item, new VerticalLayoutData(1, -1, new Margins(0)));
}
}
} catch (Throwable e) {
Log.error(e.getLocalizedMessage());
e.printStackTrace();
}
}
/**
* @param item
*/
private void removeField(TabItem item) {
items.remove(item);
vp.remove(item);
if (items.size() == 1) {
items.get(0).hideCancelButton();
}
}
/**
*
*/
@Override
public String getValue() {
String separator = tabularListParameter.getSeparator();
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;
}
/**
*
*/
@Override
public Widget getWidget() {
return fieldContainer;
}
@Override
public boolean isValid() {
boolean valid = false;
for (TabItem item : items)
if (item.isValid()) {
valid = true;
break;
}
return valid;
}
private class TabItem extends HBoxLayoutContainer {
private TextButton selectButton, selectButton2;
private TableItemSimple selectedTableItem = null;
private TextButton addBtn;
private TextButton removeBtn;
private TextField tableDescription;
/**
* @param objPar
*/
public TabItem(TabularParameter tabularParameter, boolean first) {
super();
create(tabularParameter, first);
initDialog();
}
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(DataMinerManager.resources.folderExplore());
selectButton.setToolTip("Select Data Set");
selectButton2 = new TextButton("");
selectButton2.addSelectHandler(new SelectEvent.SelectHandler() {
@Override
public void onSelect(SelectEvent event) {
wselectDialog.show();
}
});
selectButton2.setIcon(DataMinerManager.resources.folderExplore());
selectButton2.setToolTip("Select Another Data Set");
selectButton2.setVisible(false);
addBtn = new TextButton("");
addBtn.setIcon(DataMinerManager.resources.add());
addBtn.addSelectHandler(new SelectEvent.SelectHandler() {
@Override
public void onSelect(SelectEvent event) {
addField(TabItem.this);
fieldContainer.forceLayout();
}
});
removeBtn = new TextButton("");
removeBtn.setIcon(DataMinerManager.resources.cancel());
removeBtn.addSelectHandler(new SelectEvent.SelectHandler() {
@Override
public void onSelect(SelectEvent event) {
selectedTableItem = null;
removeField(TabItem.this);
fieldContainer.forceLayout();
}
});
removeBtn.setVisible(!first);
setPack(BoxLayoutPack.START);
setEnableOverflow(false);
add(tableDescription, new BoxLayoutData(new Margins(0)));
add(selectButton, new BoxLayoutData(new Margins(0)));
add(selectButton2, new BoxLayoutData(new Margins(0)));
add(addBtn, new BoxLayoutData(new Margins(0)));
add(removeBtn, new BoxLayoutData(new Margins(0)));
}
private void initDialog() {
List<ItemType> selectableTypes = new ArrayList<ItemType>();
selectableTypes.add(ItemType.EXTERNAL_FILE);
List<ItemType> showableTypes = new ArrayList<ItemType>();
showableTypes.addAll(Arrays.asList(ItemType.values()));
/*
* "application/zip", "application/x-zip",
* "application/x-zip-compressed", "application/octet-stream",
* "application/x-compress", "application/x-compressed",
* "multipart/x-zip"
*/
// List<String> allowedMimeTypes =
// Arrays.asList("text/csv","text/plain","text/plain; charset=ISO-8859-1");
/**
* "zip"
*/
/*
* List<String> allowedFileExtensions = Arrays.asList("csv");
*
* FilterCriteria filterCriteria = new
* FilterCriteria(allowedMimeTypes, allowedFileExtensions, new
* HashMap<String, String>());
*/
wselectDialog = new WorkspaceExplorerSelectDialog("Select CSV",
false);
// filterCriteria, selectableTypes);
WorskpaceExplorerSelectNotificationListener handler = new WorskpaceExplorerSelectNotificationListener() {
@Override
public void onSelectedItem(Item item) {
if (item.isFolder() || item.isRoot()) {
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) {
DataMinerPortletServiceAsync.INSTANCE.retrieveTableInformation(
item, new AsyncCallback<TableItemSimple>() {
@Override
public void onFailure(Throwable caught) {
Log.error("Error in retrieveTableInformation "
+ caught.getMessage());
if (caught instanceof ExpiredSessionServiceException) {
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 showFieldWithSelection() {
try {
String tableName = selectedTableItem.getName();
if (tableName == null || tableName.isEmpty()) {
tableName = "NoName";
}
tableDescription.setValue(tableName);
selectButton.setVisible(false);
selectButton2.setVisible(true);
} 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);
}
}
}