267 lines
8.5 KiB
Java
267 lines
8.5 KiB
Java
package org.gcube.portlets.user.td.columnwidget.client;
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import java.util.ArrayList;
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import org.gcube.portlets.user.td.columnwidget.client.progress.LabelColumnProgressDialog;
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import org.gcube.portlets.user.td.columnwidget.client.properties.ColumnDataProperties;
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import org.gcube.portlets.user.td.columnwidget.client.utils.UtilsGXT3;
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import org.gcube.portlets.user.td.gwtservice.client.rpc.TDGWTServiceAsync;
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import org.gcube.portlets.user.td.gwtservice.shared.tr.ColumnData;
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import org.gcube.portlets.user.td.gwtservice.shared.tr.column.LabelColumnSession;
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import org.gcube.portlets.user.td.widgetcommonevent.shared.TRId;
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import com.allen_sauer.gwt.log.client.Log;
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import com.google.gwt.core.client.GWT;
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import com.google.gwt.core.client.Scheduler;
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import com.google.gwt.core.client.Scheduler.ScheduledCommand;
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import com.google.gwt.event.logical.shared.SelectionEvent;
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import com.google.gwt.event.logical.shared.SelectionHandler;
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import com.google.gwt.user.client.rpc.AsyncCallback;
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import com.google.web.bindery.event.shared.EventBus;
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import com.sencha.gxt.cell.core.client.form.ComboBoxCell.TriggerAction;
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import com.sencha.gxt.core.client.util.Margins;
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import com.sencha.gxt.data.client.loader.RpcProxy;
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import com.sencha.gxt.data.shared.LabelProvider;
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import com.sencha.gxt.data.shared.ListStore;
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import com.sencha.gxt.data.shared.loader.ListLoadConfig;
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import com.sencha.gxt.data.shared.loader.ListLoadConfigBean;
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import com.sencha.gxt.data.shared.loader.ListLoadResult;
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import com.sencha.gxt.data.shared.loader.ListLoadResultBean;
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import com.sencha.gxt.data.shared.loader.ListLoader;
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import com.sencha.gxt.data.shared.loader.LoadResultListStoreBinding;
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import com.sencha.gxt.widget.core.client.FramedPanel;
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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.VerticalLayoutContainer;
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import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer.VerticalLayoutData;
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import com.sencha.gxt.widget.core.client.event.SelectEvent;
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import com.sencha.gxt.widget.core.client.event.SelectEvent.SelectHandler;
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import com.sencha.gxt.widget.core.client.form.ComboBox;
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import com.sencha.gxt.widget.core.client.form.FieldLabel;
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import com.sencha.gxt.widget.core.client.form.TextField;
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import com.sencha.gxt.widget.core.client.info.Info;
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/**
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*
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* ChangeColumnTypePanel is the panel for change column type
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*
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*
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* @author "Giancarlo Panichi"
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* <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 LabelColumnPanel extends FramedPanel {
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protected String WIDTH = "640px";
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protected String HEIGHT = "520px";
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protected EventBus eventBus;
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protected ChangeColumnTypeDialog parent;
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protected TextField label = null;
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protected TRId trId;
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protected String columnName;
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protected ColumnData column;
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protected ComboBox<ColumnData> comboColumn = null;
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protected ListLoader<ListLoadConfig, ListLoadResult<ColumnData>> loader;
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protected TextButton change;
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protected LabelColumnSession labelColumnSession;
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protected LabelColumnProgressDialog labelColumnProgressDialog;
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public LabelColumnPanel(TRId trId, String columnName, EventBus eventBus) {
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setWidth(WIDTH);
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setHeight(HEIGHT);
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setHeaderVisible(false);
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setBodyBorder(false);
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this.trId = trId;
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this.columnName = columnName;
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this.eventBus = eventBus;
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Log.debug("LabelColumnPanel(): [" + trId.toString()
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+ " columnName: " + columnName + "]");
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// Column Data
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ColumnDataProperties propsColumnData = GWT
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.create(ColumnDataProperties.class);
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ListStore<ColumnData> storeCombo = new ListStore<ColumnData>(
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propsColumnData.id());
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Log.trace("StoreCombo created");
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RpcProxy<ListLoadConfig, ListLoadResult<ColumnData>> proxy = new RpcProxy<ListLoadConfig, ListLoadResult<ColumnData>>() {
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public void load(ListLoadConfig loadConfig,
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final AsyncCallback<ListLoadResult<ColumnData>> callback) {
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loadData(loadConfig, callback);
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}
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};
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loader = new ListLoader<ListLoadConfig, ListLoadResult<ColumnData>>(
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proxy) {
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@Override
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protected ListLoadConfig newLoadConfig() {
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return (ListLoadConfig) new ListLoadConfigBean();
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}
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};
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loader.addLoadHandler(new LoadResultListStoreBinding<ListLoadConfig, ColumnData, ListLoadResult<ColumnData>>(
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storeCombo));
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Log.trace("LoaderCombo created");
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comboColumn = new ComboBox<ColumnData>(storeCombo,
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propsColumnData.label()) {
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protected void onAfterFirstAttach() {
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super.onAfterFirstAttach();
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Scheduler.get().scheduleDeferred(new ScheduledCommand() {
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public void execute() {
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loader.load();
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}
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});
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}
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};
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Log.trace("Combo ColumnData created");
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addHandlersForComboColumn(propsColumnData.label());
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comboColumn.setLoader(loader);
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comboColumn.setEmptyText("Select a column...");
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comboColumn.setWidth(150);
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comboColumn.setTypeAhead(false);
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comboColumn.setEditable(false);
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comboColumn.setTriggerAction(TriggerAction.ALL);
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label= new TextField();
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label.setAllowBlank(false);
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change=new TextButton("Change");
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change.addSelectHandler(new SelectHandler() {
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public void onSelect(SelectEvent event) {
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onLabelColumn();
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}
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});
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VerticalLayoutContainer v = new VerticalLayoutContainer();
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v.add(new FieldLabel(comboColumn, "Column"), new VerticalLayoutData(1,
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-1));
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v.add(new FieldLabel(label, "Label"), new VerticalLayoutData(1, -1));
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v.add(change, new VerticalLayoutData(-1, -1, new Margins(10, 0, 10, 0)));
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add(v, new VerticalLayoutData(-1, -1, new Margins()));
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}
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protected void addHandlersForComboColumn(
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final LabelProvider<ColumnData> labelProvider) {
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comboColumn.addSelectionHandler(new SelectionHandler<ColumnData>() {
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public void onSelection(SelectionEvent<ColumnData> event) {
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Info.display(
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"Column Selected",
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"You selected "
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+ (event.getSelectedItem() == null ? "nothing"
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: labelProvider.getLabel(event
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.getSelectedItem()) + "!"));
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Log.debug("ComboColumn selected: " + event.getSelectedItem());
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ColumnData columnData = event.getSelectedItem();
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updateComboStatus(columnData);
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}
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});
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}
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protected void loadData(ListLoadConfig loadConfig,
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final AsyncCallback<ListLoadResult<ColumnData>> callback) {
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TDGWTServiceAsync.INSTANCE.getColumns(trId,
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new AsyncCallback<ArrayList<ColumnData>>() {
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public void onFailure(Throwable caught) {
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Log.error("load combo failure:"
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+ caught.getLocalizedMessage());
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UtilsGXT3.alert("Error",
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"Error retrieving columns of tabular resource:"
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+ trId.getId());
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callback.onFailure(caught);
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}
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public void onSuccess(ArrayList<ColumnData> result) {
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Log.trace("loaded " + result.size() + " ColumnData");
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setComboStatus(result);
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callback.onSuccess(new ListLoadResultBean<ColumnData>(
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result));
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}
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});
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}
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protected void setComboStatus(ArrayList<ColumnData> result) {
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Log.debug("ColumnName:" + columnName);
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if (columnName != null) {
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for (ColumnData cd : result) {
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Log.debug("ColumnData name:" + cd.getName());
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if (cd.getName().compareTo(columnName) == 0) {
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updateComboStatus(cd);
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}
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}
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}
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}
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protected void updateComboStatus(ColumnData cd) {
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Log.debug("ColumnData: " + cd.toString());
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labelColumnSession = new LabelColumnSession();
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labelColumnSession.setColumnData(cd);
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labelColumnSession.setLabel(cd.getLabel());
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comboColumn.setValue(cd);
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label.setValue(cd.getLabel());
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}
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public void update(TRId trId, String columnName) {
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this.trId = trId;
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this.columnName = columnName;
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loader.load();
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}
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protected void onLabelColumn() {
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ColumnData columnData = comboColumn.getCurrentValue();
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if(columnData!=null){
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String lab= label.getCurrentValue();
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if(lab!=null && !lab.isEmpty()){
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labelColumnSession = new LabelColumnSession();
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labelColumnSession.setColumnData(columnData);
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labelColumnSession.setLabel(columnData.getLabel());
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callLabelColumn();
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} else {
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UtilsGXT3.alert("Attention", "Insert a valid label!");
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}
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} else {
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UtilsGXT3.alert("Attention", "Select a column!");
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}
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}
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private void callLabelColumn() {
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TDGWTServiceAsync.INSTANCE.startLabelColumn(
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labelColumnSession, new AsyncCallback<Void>() {
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public void onFailure(Throwable caught) {
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Log.debug("Change The Column Label Error: "
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+ caught.getLocalizedMessage());
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UtilsGXT3.alert("Error Changing The Column Label",
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"Error in invocation of Change The Column Label operation!");
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}
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public void onSuccess(Void result) {
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labelColumnProgressDialog= new LabelColumnProgressDialog(labelColumnSession, eventBus);
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}
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});
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}
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}
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