429 lines
13 KiB
Java
429 lines
13 KiB
Java
package org.gcube.portlets.user.td.monitorwidget.client.background;
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import java.util.ArrayList;
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import java.util.List;
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import org.gcube.portlets.user.td.gwtservice.shared.exception.TDGWTSessionExpiredException;
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import org.gcube.portlets.user.td.gwtservice.shared.monitor.BackgroundOperationMonitor;
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import org.gcube.portlets.user.td.gwtservice.shared.task.State;
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import org.gcube.portlets.user.td.monitorwidget.client.resources.ResourceBundle;
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import org.gcube.portlets.user.td.monitorwidget.client.utils.UtilsGXT3;
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import org.gcube.portlets.user.td.widgetcommonevent.client.event.SessionExpiredEvent;
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import org.gcube.portlets.user.td.widgetcommonevent.client.type.SessionExpiredType;
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import com.allen_sauer.gwt.log.client.Log;
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import com.google.gwt.cell.client.AbstractCell;
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import com.google.gwt.core.client.GWT;
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import com.google.gwt.editor.client.Editor.Path;
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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.safehtml.shared.SafeHtmlBuilder;
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import com.google.gwt.safehtml.shared.SafeHtmlUtils;
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import com.google.web.bindery.event.shared.EventBus;
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import com.sencha.gxt.cell.core.client.ProgressBarCell;
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import com.sencha.gxt.core.client.ValueProvider;
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import com.sencha.gxt.core.client.dom.ScrollSupport.ScrollMode;
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import com.sencha.gxt.core.client.util.Margins;
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import com.sencha.gxt.data.shared.ListStore;
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import com.sencha.gxt.data.shared.ModelKeyProvider;
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import com.sencha.gxt.data.shared.PropertyAccess;
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import com.sencha.gxt.widget.core.client.FramedPanel;
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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.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.grid.ColumnConfig;
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import com.sencha.gxt.widget.core.client.grid.ColumnModel;
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import com.sencha.gxt.widget.core.client.grid.Grid;
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import com.sencha.gxt.widget.core.client.menu.Item;
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import com.sencha.gxt.widget.core.client.menu.Menu;
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import com.sencha.gxt.widget.core.client.menu.MenuItem;
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/**
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*
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* @author Giancarlo Panichi
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*
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*
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*/
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public class MonitorBackgroundPanel extends FramedPanel implements
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MonitorBackgroundUpdaterListener {
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private static final int STATUS_POLLING_DELAY = 5000;
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private static final String WIDTH = "640px";
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private static final String HEIGHT = "520px";
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private static final int CC1WIDTH = 90;
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private static final int CC2WIDTH = 66;
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private static final int CC3WIDTH = 104;
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private static final int PROGRESS_WIDTH = 100;
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private MonitorBackgroundDialog parent;
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private ArrayList<MonitorBackgroundEventUIListener> monitorBackgroundEventUIListeners = new ArrayList<MonitorBackgroundEventUIListener>();
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private Menu contextMenu;
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private MenuItem infoItem;
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private MenuItem abortItem;
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private MenuItem hideItem;
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// private TRId trId;
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private VerticalLayoutContainer con;
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// private ValidationsTasksMetadata validationsTasksMetadata;
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private ListStore<BackgroundOperationMonitor> store;
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private Grid<BackgroundOperationMonitor> grid;
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private ArrayList<BackgroundOperationMonitor> backgroundOperationMonitorList;
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private ArrayList<BackgroundOperationMonitor> backgroundOperationMonitorListCache;
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private EventBus eventBus;
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private MonitorBackgroundUpdater monitorBackgroundUpdater;
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public interface BackgroundOperationMonitorProperties extends
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PropertyAccess<BackgroundOperationMonitor> {
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@Path("taskId")
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ModelKeyProvider<BackgroundOperationMonitor> taskId();
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ValueProvider<BackgroundOperationMonitor, String> tabularResourceName();
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ValueProvider<BackgroundOperationMonitor, State> state();
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ValueProvider<BackgroundOperationMonitor, Float> progress();
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}
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public MonitorBackgroundPanel(EventBus eventBus) {
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super();
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backgroundOperationMonitorListCache = null;
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this.eventBus = eventBus;
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forceLayoutOnResize = true;
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init();
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create();
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}
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public MonitorBackgroundPanel(MonitorBackgroundDialog parent,
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EventBus eventBus) {
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super();
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backgroundOperationMonitorListCache = null;
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this.eventBus = eventBus;
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this.parent = parent;
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forceLayoutOnResize = true;
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init();
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create();
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}
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protected void init() {
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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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setResize(true);
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}
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protected void create() {
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con = new VerticalLayoutContainer();
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con.setScrollMode(ScrollMode.AUTO);
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BackgroundOperationMonitorProperties props = GWT
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.create(BackgroundOperationMonitorProperties.class);
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store = new ListStore<BackgroundOperationMonitor>(props.taskId());
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addChildrensToStore();
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ColumnConfig<BackgroundOperationMonitor, String> cc1 = new ColumnConfig<BackgroundOperationMonitor, String>(
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props.tabularResourceName());
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cc1.setHeader("Tabular Resource");
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cc1.setWidth(CC1WIDTH);
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cc1.setCell(new AbstractCell<String>() {
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@Override
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public void render(Context context, String value, SafeHtmlBuilder sb) {
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sb.appendHtmlConstant("<span title='"
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+ SafeHtmlUtils.htmlEscape(value) + "'>"
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+ SafeHtmlUtils.htmlEscape(value) + "</span>");
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}
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});
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ColumnConfig<BackgroundOperationMonitor, State> cc2 = new ColumnConfig<BackgroundOperationMonitor, State>(
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props.state());
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cc2.setHeader("Status");
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cc2.setWidth(CC2WIDTH);
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ColumnConfig<BackgroundOperationMonitor, Double> cc3 = new ColumnConfig<BackgroundOperationMonitor, Double>(
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new ValueProvider<BackgroundOperationMonitor, Double>() {
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@Override
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public Double getValue(BackgroundOperationMonitor object) {
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Double d = null;
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Float f = object.getProgress();
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d = new Double(f);
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return d;
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}
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@Override
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public void setValue(BackgroundOperationMonitor object,
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Double value) {
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object.setProgress(value.floatValue());
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}
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@Override
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public String getPath() {
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return "progress";
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}
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}, CC3WIDTH, "Progress");
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cc3.setHeader("Progress");
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ProgressBarCell progress = new ProgressBarCell() {
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@Override
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public boolean handlesSelection() {
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return false;
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}
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};
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progress.setProgressText("{0}% Complete");
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progress.setWidth(PROGRESS_WIDTH);
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cc3.setCell(progress);
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List<ColumnConfig<BackgroundOperationMonitor, ?>> l = new ArrayList<ColumnConfig<BackgroundOperationMonitor, ?>>();
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l.add(cc1);
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l.add(cc2);
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l.add(cc3);
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ColumnModel<BackgroundOperationMonitor> cm = new ColumnModel<BackgroundOperationMonitor>(
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l);
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grid = new Grid<BackgroundOperationMonitor>(store, cm);
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grid.getView().setStripeRows(true);
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grid.getView().setColumnLines(true);
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grid.getView().setAutoFill(true);
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grid.setBorders(false);
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grid.setLoadMask(true);
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grid.setColumnReordering(false);
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grid.setColumnResize(true);
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grid.getView().setAutoExpandColumn(cc1);
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createContextMenu();
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con.add(grid, new VerticalLayoutData(1, -1, new Margins(0)));
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add(con, new MarginData(0));
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addMonitor();
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forceLayout();
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}
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protected void addMonitor() {
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monitorBackgroundUpdater = new MonitorBackgroundUpdater();
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monitorBackgroundUpdater.addListener(this);
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addMonitorBackgroundEventUIListener(monitorBackgroundUpdater);
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monitorBackgroundUpdater.scheduleRepeating(STATUS_POLLING_DELAY);
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monitorBackgroundUpdater.run();
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}
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public void addMonitorBackgroundEventUIListener(
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MonitorBackgroundEventUIListener listener) {
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monitorBackgroundEventUIListeners.add(listener);
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}
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public void removeMonitorBackgroundEventUIListener(
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MonitorBackgroundEventUIListener listener) {
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monitorBackgroundEventUIListeners.remove(listener);
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}
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public void update() {
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forceLayout();
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}
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public void close() {
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if (parent != null) {
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parent.close();
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}
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}
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public void cancelMonitorBackgroundUpdater(){
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if(monitorBackgroundUpdater!=null){
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monitorBackgroundUpdater.cancel();
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}
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}
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private void addChildrensToStore() {
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if (backgroundOperationMonitorList != null) {
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store.addAll(backgroundOperationMonitorList);
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}
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}
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protected void createContextMenu() {
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contextMenu = new Menu();
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infoItem = new MenuItem();
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infoItem.setText("Info");
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infoItem.setIcon(ResourceBundle.INSTANCE.information());
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infoItem.addSelectionHandler(new SelectionHandler<Item>() {
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@Override
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public void onSelection(SelectionEvent<Item> event) {
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BackgroundOperationMonitor selected = grid.getSelectionModel()
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.getSelectedItem();
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Log.debug(selected.toString());
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requestMoreInfo(selected);
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}
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});
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abortItem = new MenuItem();
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abortItem.setText("Abort");
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abortItem.setIcon(ResourceBundle.INSTANCE.basketDelete());
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abortItem.addSelectionHandler(new SelectionHandler<Item>() {
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@Override
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public void onSelection(SelectionEvent<Item> event) {
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BackgroundOperationMonitor selected = grid.getSelectionModel()
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.getSelectedItem();
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Log.debug(selected.toString());
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requestBacgroundAbort(selected);
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}
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});
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hideItem = new MenuItem();
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hideItem.setText("Hide");
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hideItem.setIcon(ResourceBundle.INSTANCE.basketRemove());
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hideItem.addSelectionHandler(new SelectionHandler<Item>() {
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@Override
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public void onSelection(SelectionEvent<Item> event) {
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BackgroundOperationMonitor selected = grid.getSelectionModel()
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.getSelectedItem();
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Log.debug(selected.toString());
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requestBacgroundHidden(selected);
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}
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});
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contextMenu.add(infoItem);
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contextMenu.add(abortItem);
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contextMenu.add(hideItem);
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grid.setContextMenu(contextMenu);
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}
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protected void requestMoreInfo(BackgroundOperationMonitor selected) {
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Log.debug("Found Task Id: " + selected.getTaskId());
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MonitorBackgroundInfoDialog monitorBackgroundInfoDialog = new MonitorBackgroundInfoDialog(
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selected, eventBus);
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monitorBackgroundInfoDialog.show();
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return;
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}
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protected void requestBacgroundAbort(BackgroundOperationMonitor selected) {
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Log.debug("Found Task Id: " + selected.getTaskId());
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if (selected.getState() == State.IN_PROGRESS
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|| selected.getState() == State.INITIALIZING
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|| selected.getState() == State.VALIDATING_RULES) {
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fireRequestAborted(selected.getTaskId());
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}
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}
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protected void requestBacgroundHidden(BackgroundOperationMonitor selected) {
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Log.debug("Found Task Id: " + selected.getTaskId());
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fireRequestHidden(selected.getTaskId());
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return;
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}
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@Override
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public void operationMonitorListUpdated(
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ArrayList<BackgroundOperationMonitor> backgroundOperationMonitorList) {
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this.backgroundOperationMonitorList = backgroundOperationMonitorList;
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if (!isCacheValid(backgroundOperationMonitorList)) {
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store.clear();
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store.commitChanges();
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addChildrensToStore();
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store.commitChanges();
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forceLayout();
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}
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}
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protected boolean isCacheValid(
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ArrayList<BackgroundOperationMonitor> backgroundOperationMonitorList) {
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if (backgroundOperationMonitorList == null
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|| backgroundOperationMonitorList.size() <= 0) {
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backgroundOperationMonitorListCache = null;
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return false;
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}
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if (backgroundOperationMonitorListCache == null) {
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backgroundOperationMonitorListCache = backgroundOperationMonitorList;
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return false;
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}
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if (backgroundOperationMonitorListCache.size() == backgroundOperationMonitorList
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.size()) {
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for (int i = 0; i < backgroundOperationMonitorList.size(); i++) {
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BackgroundOperationMonitor backgroundOperationMonitor = backgroundOperationMonitorList
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.get(i);
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BackgroundOperationMonitor backgroundOperationMonitorCache = backgroundOperationMonitorListCache
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.get(i);
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if (backgroundOperationMonitor.getTaskId().compareTo(
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backgroundOperationMonitorCache.getTaskId()) == 0
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&& backgroundOperationMonitor.getState().compareTo(
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backgroundOperationMonitorCache.getState()) == 0
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&& backgroundOperationMonitor.getProgress() == backgroundOperationMonitorCache
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.getProgress()) {
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} else {
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backgroundOperationMonitorListCache = backgroundOperationMonitorList;
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return false;
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}
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}
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} else {
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backgroundOperationMonitorListCache = backgroundOperationMonitorList;
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return false;
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}
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return true;
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}
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@Override
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public void retrieveOperationMonitorListFailed(Throwable caught) {
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if (caught instanceof TDGWTSessionExpiredException) {
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eventBus.fireEvent(new SessionExpiredEvent(
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SessionExpiredType.EXPIREDONSERVER));
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} else {
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UtilsGXT3.alert("Error", "Error retrieving tasks in bacground: "
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+ caught.getLocalizedMessage());
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}
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}
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// UI event Fire
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protected void fireRequestAborted(String taskId) {
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for (MonitorBackgroundEventUIListener listener : monitorBackgroundEventUIListeners) {
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listener.requestAborted(taskId);
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}
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}
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protected void fireRequestHidden(String taskId) {
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for (MonitorBackgroundEventUIListener listener : monitorBackgroundEventUIListeners) {
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listener.requestHidden(taskId);
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}
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}
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protected void fireRequestResume(String taskId) {
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for (MonitorBackgroundEventUIListener listener : monitorBackgroundEventUIListeners) {
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listener.requestResume(taskId);
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}
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}
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} |