330 lines
9.5 KiB
Java
330 lines
9.5 KiB
Java
/**
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*
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*/
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package org.gcube.portlets.user.dataminermanager.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.portlets.user.dataminermanager.client.DataMinerManager;
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import org.gcube.portlets.user.dataminermanager.client.bean.parameters.Parameter;
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import org.gcube.portlets.user.dataminermanager.client.bean.parameters.TabularParameter;
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import org.gcube.portlets.user.dataminermanager.client.events.TabularFldChangeEvent;
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import org.gcube.portlets.user.dataminermanager.client.events.TabularFldChangeEvent.HasTabularFldChangeEventHandler;
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import org.gcube.portlets.user.dataminermanager.client.events.TabularFldChangeEvent.TabularFldChangeEventHandler;
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import org.gcube.portlets.user.dataminermanager.client.rpc.DataMinerPortletServiceAsync;
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import org.gcube.portlets.user.dataminermanager.client.util.UtilsGXT3;
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import org.gcube.portlets.user.dataminermanager.shared.data.TableItemSimple;
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import org.gcube.portlets.user.dataminermanager.shared.exception.ExpiredSessionServiceException;
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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.event.shared.GwtEvent;
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import com.google.gwt.event.shared.HandlerRegistration;
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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.Format;
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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
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* email: <a 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 TabularFld extends AbstractFld implements HasTabularFldChangeEventHandler {
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private SimpleContainer fieldContainer;
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private HBoxLayoutContainer horiz;
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private VerticalLayoutContainer vp;
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private WorkspaceExplorerSelectDialog wselectDialog;
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private TextButton selectButton, selectButton2, cancelButton;
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private HtmlLayoutContainer templatesList;
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private TableItemSimple selectedTableItem = null;
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private TabularParameter tabularParameter;
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/**
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* @param parameter
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*/
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public TabularFld(Parameter parameter) {
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super(parameter);
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Log.debug("TabularField");
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tabularParameter = (TabularParameter) 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 (tabularParameter.getDescription() == null) {
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descr = new HtmlLayoutContainer("<p style='margin-left:5px;'></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;'>"
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+ tabularParameter.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<String> templates = tabularParameter.getTemplates();
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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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/*
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"application/zip", "application/x-zip",
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"application/x-zip-compressed", "application/octet-stream",
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"application/x-compress", "application/x-compressed",
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"multipart/x-zip"
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*/
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//List<String> allowedMimeTypes = Arrays.asList("text/csv","text/plain","text/plain; charset=ISO-8859-1");
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/**
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* "zip"
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*/
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/*List<String> allowedFileExtensions = Arrays.asList("csv");
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FilterCriteria filterCriteria = new FilterCriteria(allowedMimeTypes,
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allowedFileExtensions, new HashMap<String, String>());
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*/
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wselectDialog = new WorkspaceExplorerSelectDialog("Select CSV",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 csv!");
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} else {
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retrieveTableInformation(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 csv!");
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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 Data Set");
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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.setIcon(DataMinerManager.resources.folderExplore());
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selectButton.setToolTip("Select Data Set");
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selectButton2 = new TextButton("");
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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.setIcon(DataMinerManager.resources.folderExplore());
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selectButton2.setToolTip("Select Another Data Set");
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cancelButton = new TextButton("");
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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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selectedTableItem = null;
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showNoSelectionField();
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updateListeners(null);
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}
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});
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cancelButton.setIcon(DataMinerManager.resources.cancel());
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String list = "";
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boolean first = true;
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for (String template : templates) {
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list += (first ? "" : ", ") + Format.ellipse(template,50);
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first = false;
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}
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templatesList = new HtmlLayoutContainer("<p>Suitable Data Set Templates: <br>" + list+"</p>");
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templatesList.addStyleName("workflow-parameters-description");
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}
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private void retrieveTableInformation(Item item) {
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DataMinerPortletServiceAsync.INSTANCE.retrieveTableInformation(item, new AsyncCallback<TableItemSimple>() {
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@Override
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public void onFailure(Throwable caught) {
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Log.error("Error in retrieveTableInformation " + caught.getMessage());
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if (caught instanceof ExpiredSessionServiceException) {
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UtilsGXT3.alert("Error", "Expired Session");
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} else {
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UtilsGXT3.alert(
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"Error",
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"Error retrieving table information: "
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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(TableItemSimple result) {
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Log.debug("Retrieved: "+result);
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selectedTableItem=result;
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showFieldWithSelection();
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updateListeners(selectedTableItem);
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}
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});
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}
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/**
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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.add(templatesList);
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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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private void showFieldWithSelection() {
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String tableName = selectedTableItem.getName();
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if(tableName==null|| tableName.isEmpty()){
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tableName="NoName";
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}
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TextField tableDescription=new TextField();
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tableDescription.setValue(tableName);
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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(cancelButton,new BoxLayoutData(new Margins()));
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vp.clear();
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vp.add(h);
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vp.add(templatesList);
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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 String getValue() {
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return (selectedTableItem == null) ? null : selectedTableItem.getId();
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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 Widget getWidget() {
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return fieldContainer;
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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 (selectedTableItem != null);
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}
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@Override
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public HandlerRegistration addTabularFldChangeEventHandler(
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TabularFldChangeEventHandler handler) {
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return fieldContainer.addHandler(handler, TabularFldChangeEvent.getType());
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}
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private void updateListeners(TableItemSimple tableItemSimple) {
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TabularFldChangeEvent event=new TabularFldChangeEvent(tableItemSimple);
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fireEvent(event);
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}
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@Override
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public void fireEvent(GwtEvent<?> event) {
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fieldContainer.fireEvent(event);
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}
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}
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