313 lines
9.1 KiB
Java
313 lines
9.1 KiB
Java
/**
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*
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*/
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package org.gcube.portlets.widgets.dataminermanagerwidget.client.parametersfield;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import org.gcube.data.analysis.dataminermanagercl.shared.parameters.FileParameter;
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import org.gcube.data.analysis.dataminermanagercl.shared.parameters.Parameter;
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import org.gcube.portlets.widgets.dataminermanagerwidget.client.DataMinerManager;
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import org.gcube.portlets.widgets.dataminermanagerwidget.client.common.EventBusProvider;
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import org.gcube.portlets.widgets.dataminermanagerwidget.client.events.SessionExpiredEvent;
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import org.gcube.portlets.widgets.dataminermanagerwidget.client.rpc.DataMinerPortletServiceAsync;
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import org.gcube.portlets.widgets.dataminermanagerwidget.client.util.UtilsGXT3;
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import org.gcube.portlets.widgets.dataminermanagerwidget.shared.exception.SessionExpiredServiceException;
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import org.gcube.portlets.widgets.dataminermanagerwidget.shared.workspace.ItemDescription;
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import org.gcube.portlets.widgets.wsexplorer.client.notification.WorkspaceExplorerSelectNotification.WorskpaceExplorerSelectNotificationListener;
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import org.gcube.portlets.widgets.wsexplorer.client.select.WorkspaceExplorerSelectDialog;
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import org.gcube.portlets.widgets.wsexplorer.shared.Item;
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import org.gcube.portlets.widgets.wsexplorer.shared.ItemType;
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import com.allen_sauer.gwt.log.client.Log;
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import com.google.gwt.user.client.Window;
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import com.google.gwt.user.client.rpc.AsyncCallback;
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import com.google.gwt.user.client.ui.Widget;
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import com.sencha.gxt.core.client.dom.XDOM;
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import com.sencha.gxt.core.client.util.Margins;
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import com.sencha.gxt.widget.core.client.button.TextButton;
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import com.sencha.gxt.widget.core.client.container.BoxLayoutContainer.BoxLayoutData;
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import com.sencha.gxt.widget.core.client.container.BoxLayoutContainer.BoxLayoutPack;
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import com.sencha.gxt.widget.core.client.container.HBoxLayoutContainer;
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import com.sencha.gxt.widget.core.client.container.HtmlLayoutContainer;
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import com.sencha.gxt.widget.core.client.container.MarginData;
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import com.sencha.gxt.widget.core.client.container.SimpleContainer;
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import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer;
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import com.sencha.gxt.widget.core.client.event.SelectEvent;
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import com.sencha.gxt.widget.core.client.form.TextField;
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/**
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*
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* @author Giancarlo Panichi email: <a
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* href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
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*
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*/
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public class FileFld extends AbstractFld {
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private VerticalLayoutContainer vp;
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// FileSelector fileSelector;
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private WorkspaceExplorerSelectDialog wselectDialog;
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private TextButton selectButton, selectButton2, cancelButton;
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private ItemDescription selectedFileItem = null;
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private FileParameter fileParameter;
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private SimpleContainer fieldContainer;
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private HBoxLayoutContainer horiz;
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private TextButton downloadButton;
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/**
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* @param parameter
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*/
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public FileFld(Parameter parameter) {
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super(parameter);
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fileParameter = (FileParameter) parameter;
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SimpleContainer tabContainer = new SimpleContainer();
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vp = new VerticalLayoutContainer();
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init();
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tabContainer.add(vp, new MarginData(new Margins(0)));
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fieldContainer = new SimpleContainer();
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horiz = new HBoxLayoutContainer();
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horiz.setPack(BoxLayoutPack.START);
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horiz.setEnableOverflow(false);
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HtmlLayoutContainer descr;
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if (fileParameter.getDescription() == null) {
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descr = new HtmlLayoutContainer("<p style='margin-left:5px !important;'></p>");
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descr.addStyleName("workflow-fieldDescription");
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} else {
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descr = new HtmlLayoutContainer("<p style='margin-left:5px !important;'>"
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+ fileParameter.getDescription() + "</p>");
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descr.addStyleName("workflow-fieldDescription");
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}
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horiz.add(tabContainer, new BoxLayoutData(new Margins()));
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horiz.add(descr, new BoxLayoutData(new Margins()));
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fieldContainer.add(horiz);
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showNoSelectionField();
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}
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private void init() {
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List<ItemType> selectableTypes = new ArrayList<ItemType>();
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selectableTypes.add(ItemType.EXTERNAL_FILE);
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List<ItemType> showableTypes = new ArrayList<ItemType>();
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showableTypes.addAll(Arrays.asList(ItemType.values()));
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wselectDialog = new WorkspaceExplorerSelectDialog("Select File", false);
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// filterCriteria, selectableTypes);
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WorskpaceExplorerSelectNotificationListener handler = new WorskpaceExplorerSelectNotificationListener() {
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@Override
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public void onSelectedItem(Item item) {
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if (item.isFolder() || item.isRoot()) {
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UtilsGXT3.info("Attention", "Select a valid file!");
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} else {
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retrieveFileInformation(item);
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}
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}
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@Override
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public void onFailed(Throwable throwable) {
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Log.error("Error in create project: "
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+ throwable.getLocalizedMessage());
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UtilsGXT3.alert("Error", throwable.getLocalizedMessage());
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throwable.printStackTrace();
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}
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@Override
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public void onAborted() {
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}
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@Override
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public void onNotValidSelection() {
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UtilsGXT3.info("Attention", "Select a valid file!");
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}
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};
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wselectDialog.addWorkspaceExplorerSelectNotificationListener(handler);
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wselectDialog.setZIndex(XDOM.getTopZIndex());
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selectButton = new TextButton("Select File");
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selectButton.setIcon(DataMinerManager.resources.folderExplore());
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selectButton.addSelectHandler(new SelectEvent.SelectHandler() {
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@Override
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public void onSelect(SelectEvent event) {
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wselectDialog.show();
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}
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});
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selectButton.setToolTip("Select File");
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selectButton2 = new TextButton("");
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selectButton2.setIcon(DataMinerManager.resources.folderExplore());
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selectButton2.addSelectHandler(new SelectEvent.SelectHandler() {
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@Override
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public void onSelect(SelectEvent event) {
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wselectDialog.show();
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}
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});
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selectButton2.setToolTip("Select Another File");
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cancelButton = new TextButton("");
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cancelButton.setIcon(DataMinerManager.resources.cancel());
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cancelButton.addSelectHandler(new SelectEvent.SelectHandler() {
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@Override
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public void onSelect(SelectEvent event) {
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selectedFileItem = null;
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showNoSelectionField();
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}
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});
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downloadButton = new TextButton("");
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downloadButton.setIcon(DataMinerManager.resources.download());
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downloadButton.addSelectHandler(new SelectEvent.SelectHandler() {
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@Override
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public void onSelect(SelectEvent event) {
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downloadFile();
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}
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});
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}
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private void retrieveFileInformation(final Item item) {
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Log.debug("Retrieved: " + item);
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final ItemDescription itemDescription = new ItemDescription(
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item.getId(), item.getName(), item.getOwner(), item.getPath(),
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item.getType().name());
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DataMinerPortletServiceAsync.INSTANCE.getPublicLink(itemDescription,
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new AsyncCallback<String>() {
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@Override
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public void onFailure(Throwable caught) {
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Log.error("Error in retrieveFileInformation: "
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+ caught.getMessage());
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if (caught instanceof SessionExpiredServiceException) {
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UtilsGXT3.alert("Error", "Expired Session");
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} else {
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UtilsGXT3.alert("Error",
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"Error retrieving file informations: "
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+ caught.getLocalizedMessage());
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}
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}
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@Override
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public void onSuccess(String result) {
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itemDescription.setPublicLink(result);
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selectedFileItem = itemDescription;
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Log.debug("SelectedFileItem: " + selectedFileItem);
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showFieldWithSelection();
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}
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});
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}
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private void downloadFile() {
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if (selectedFileItem != null) {
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DataMinerPortletServiceAsync.INSTANCE.getPublicLink(
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selectedFileItem, new AsyncCallback<String>() {
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@Override
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public void onFailure(Throwable caught) {
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if (caught instanceof SessionExpiredServiceException) {
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EventBusProvider.INSTANCE
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.fireEvent(new SessionExpiredEvent());
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} else {
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Log.error("Error downloading file: "
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+ caught.getLocalizedMessage());
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UtilsGXT3.alert("Error",
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caught.getLocalizedMessage());
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}
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caught.printStackTrace();
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}
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@Override
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public void onSuccess(String link) {
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Log.debug("Retrieved link: " + link);
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Window.open(link, selectedFileItem.getName(), "");
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}
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});
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} else {
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UtilsGXT3.info("Attention", "Select a file!");
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}
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}
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private void showNoSelectionField() {
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vp.clear();
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vp.add(selectButton);
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vp.forceLayout();
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fieldContainer.forceLayout();
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}
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private void showFieldWithSelection() {
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String fileName = selectedFileItem.getName();
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if (fileName == null || fileName.isEmpty()) {
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fileName = "NoName";
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}
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TextField tableDescription = new TextField();
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tableDescription.setValue(fileName);
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tableDescription.setReadOnly(true);
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HBoxLayoutContainer h = new HBoxLayoutContainer();
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h.add(tableDescription, new BoxLayoutData(new Margins()));
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h.add(selectButton2, new BoxLayoutData(new Margins()));
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h.add(downloadButton, new BoxLayoutData(new Margins()));
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h.add(cancelButton, new BoxLayoutData(new Margins()));
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vp.clear();
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vp.add(h);
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vp.forceLayout();
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fieldContainer.forceLayout();
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}
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/**
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*
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*/
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@Override
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public boolean isValid() {
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return (selectedFileItem != null);
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}
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@Override
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public Widget getWidget() {
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return fieldContainer;
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}
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@Override
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public String getValue() {
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return (selectedFileItem == null) ? null : selectedFileItem
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.getPublicLink();
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}
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}
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