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package org.gcube.portlets.user.td.columnwidget.client.combo;
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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.td.columnwidget.client.resources.ResourceBundle;
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import org.gcube.portlets.user.td.gwtservice.shared.tr.TabResource;
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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.dom.client.KeyUpEvent;
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import com.google.gwt.event.dom.client.KeyUpHandler;
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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.event.shared.HandlerRegistration;
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import com.google.gwt.user.client.rpc.AsyncCallback;
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import com.sencha.gxt.core.client.IdentityValueProvider;
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import com.sencha.gxt.core.client.Style.SelectionMode;
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import com.sencha.gxt.core.client.resources.ThemeStyles;
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import com.sencha.gxt.data.client.loader.RpcProxy;
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import com.sencha.gxt.data.shared.ListStore;
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import com.sencha.gxt.data.shared.loader.LoadResultListStoreBinding;
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import com.sencha.gxt.data.shared.loader.PagingLoadConfig;
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import com.sencha.gxt.data.shared.loader.PagingLoadResult;
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import com.sencha.gxt.data.shared.loader.PagingLoadResultBean;
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import com.sencha.gxt.data.shared.loader.PagingLoader;
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import com.sencha.gxt.widget.core.client.FramedPanel;
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import com.sencha.gxt.widget.core.client.Window;
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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.TextField;
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import com.sencha.gxt.widget.core.client.grid.CheckBoxSelectionModel;
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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.grid.LiveGridView;
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import com.sencha.gxt.widget.core.client.grid.LiveToolItem;
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import com.sencha.gxt.widget.core.client.toolbar.LabelToolItem;
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import com.sencha.gxt.widget.core.client.toolbar.ToolBar;
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public class DialogCodelistSelection extends Window {
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protected static final int WIDTH = 550;
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protected static final int HEIGHT = 520;
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protected static final int CACHE_SIZE = 200;
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private static final TabResourcesProperties properties = GWT
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.create(TabResourcesProperties.class);
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protected static final ColumnConfig<TabResource, String> nameColumn = new ColumnConfig<TabResource, String>(
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properties.name(), 50, "Name");
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protected static final ColumnConfig<TabResource, String> agencyColumn = new ColumnConfig<TabResource, String>(
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properties.agency(), 50, "Agency");
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protected static final ColumnConfig<TabResource, String> dateColumn = new ColumnConfig<TabResource, String>(
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properties.date(), 50, "Date");
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protected Grid<TabResource> grid;
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protected ExtendedLiveGridView liveGridView;
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protected ResourceBundle res;
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public DialogCodelistSelection() {
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Log.info("Dialog CodelistSelection");
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setWidth(WIDTH);
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setHeight(HEIGHT);
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res = ResourceBundle.INSTANCE;
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setBodyBorder(false);
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setResizable(true);
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setHeadingText("Select Codelist");
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FramedPanel panel = new FramedPanel();
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panel.setHeaderVisible(false);
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panel.setBodyBorder(false);
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VerticalLayoutContainer v = new VerticalLayoutContainer();
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// Search
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ToolBar toolBar = new ToolBar();
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toolBar.add(new LabelToolItem("Search: "));
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final TextField searchField = new TextField();
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toolBar.add(searchField);
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TextButton btnReload = new TextButton();
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btnReload.setText("Reload");
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btnReload.setIcon(res.refresh());
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btnReload.setToolTip("Reload");
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toolBar.add(btnReload);
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IdentityValueProvider<TabResource> identity = new IdentityValueProvider<TabResource>();
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final CheckBoxSelectionModel<TabResource> sm = new CheckBoxSelectionModel<TabResource>(
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identity);
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@SuppressWarnings("unchecked")
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List<ColumnConfig<TabResource, ?>> columns = Arrays
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.<ColumnConfig<TabResource, ?>> asList(nameColumn,
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agencyColumn, dateColumn);
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ColumnModel<TabResource> cm = new ColumnModel<TabResource>(columns);
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final ListStore<TabResource> store = new ListStore<TabResource>(
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properties.id());
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searchField.addKeyUpHandler(new KeyUpHandler() {
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public void onKeyUp(KeyUpEvent event) {
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Log.trace("searchTerm: " + searchField.getCurrentValue());
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//store.applyFilters();
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}
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});
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RpcProxy<PagingLoadConfig, PagingLoadResult<TabResource>> proxy = new RpcProxy<PagingLoadConfig, PagingLoadResult<TabResource>>() {
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public void load(PagingLoadConfig loadConfig,
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final AsyncCallback<PagingLoadResult<TabResource>> callback) {
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loadData(loadConfig, callback);
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}
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};
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final PagingLoader<PagingLoadConfig, PagingLoadResult<TabResource>> loader = new PagingLoader<PagingLoadConfig, PagingLoadResult<TabResource>>(
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proxy);
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loader.setRemoteSort(true);
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loader.addLoadHandler(new LoadResultListStoreBinding<PagingLoadConfig, TabResource, PagingLoadResult<TabResource>>(
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store));
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liveGridView = new ExtendedLiveGridView();
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liveGridView.setForceFit(true);
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liveGridView.setEmptyText("No Matching Results.");
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liveGridView.setCacheSize(CACHE_SIZE);
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grid = new Grid<TabResource>(store, cm) {
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@Override
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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(0, liveGridView.getCacheSize());
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}
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});
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}
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};
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sm.setSelectionMode(SelectionMode.SINGLE);
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grid.setLoader(loader);
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grid.setSelectionModel(sm);
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grid.setView(liveGridView);
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grid.setBorders(false);
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grid.setLoadMask(true);
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grid.setColumnReordering(true);
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SelectHandler sh = new SelectHandler() {
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public void onSelect(SelectEvent event) {
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loader.load();
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}
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};
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btnReload.addSelectHandler(sh);
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ToolBar baseToolBar = new ToolBar();
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baseToolBar.add(new LiveToolItem(grid));
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baseToolBar.addStyleName(ThemeStyles.getStyle().borderTop());
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baseToolBar.getElement().getStyle().setProperty("borderBottom", "none");
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v.add(toolBar, new VerticalLayoutData(-1, -1));
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v.add(grid, new VerticalLayoutData(1, 1));
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v.add(baseToolBar, new VerticalLayoutData(1, 25));
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panel.add(v);
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panel.addButton(new TextButton("Select"));
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add(panel);
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}
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protected void loadData(PagingLoadConfig loadConfig,
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final AsyncCallback<PagingLoadResult<TabResource>> callback) {
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/*
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* TDGWTServiceAsync.INSTANCE.getTabularResources(new
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* AsyncCallback<ArrayList<TabResource>>() {
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*
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* public void onFailure(Throwable caught) {
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* Log.error("load combo failure:" + caught.getLocalizedMessage());
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* callback.onFailure(caught); }
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*
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* public void onSuccess(ArrayList<TabResource> result) {
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* Log.trace("loaded " + result.size() + " ColumnData"); /*if
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* (columnName != null) { for (ColumnData cd : result) { if
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* (cd.getName().compareTo(columnName) == 0) { comboColumn.setValue(cd);
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* labelColumn.setValue(cd.getLabel());
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* comboColumnTypeCode.select(ColumnTypeCodeStore
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* .selected(cd.getTypeCode())); } } } callback.onSuccess(new
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* ListLoadResultBean<TabResource>( result));
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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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ArrayList<TabResource> trs = new ArrayList<TabResource>(1000);
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int totalLength = loadConfig.getOffset() + loadConfig.getLimit();
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int offset = loadConfig.getOffset();
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Log.debug("Offset: " + offset);
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Log.debug("Limit:" + loadConfig.getLimit());
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Log.debug("TotalLength:" + totalLength);
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int cur = 0;
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for (int i = offset; i < totalLength; i++) {
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try {
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cur = i + 1;
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TabResource tr = new TabResource();
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tr.setId(String.valueOf(i));
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tr.setName("Number" + cur);
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tr.setAgency("Agency" + cur);
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tr.setDate("2013/11/01");
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trs.add(tr);
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} catch (IndexOutOfBoundsException e) {
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Log.debug("OutOfBounds size:" + trs.size() + " index: " + i
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+ " Error:" + e.getMessage() + "\n");
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}
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}
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callback.onSuccess(new PagingLoadResultBean<TabResource>(trs, 1000,
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offset));
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}
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protected HandlerRegistration addSelectionHandler(
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SelectionHandler<TabResource> handler) {
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SelectionHandler<TabResource> hand = new SelectionHandler<TabResource>() {
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public void onSelection(SelectionEvent<TabResource> event) {
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// tabResourcesSelectionPanel.getSelectedItem();
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// getWizardWindow().setEnableNextButton(true);
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}
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};
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return grid.getSelectionModel().addSelectionHandler(hand);
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}
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public TabResource getSelectedItem() {
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return grid.getSelectionModel().getSelectedItem();
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}
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protected class ExtendedLiveGridView extends LiveGridView<TabResource> {
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@Override
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public void refresh(boolean headerToo) {
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preventScrollToTopOnRefresh = true;
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super.refresh(headerToo);
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}
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};
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}
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