139 lines
4.7 KiB
Java
139 lines
4.7 KiB
Java
package org.gcube.portlets.user.csvexportwidget.client.grid;
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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.client.rpc.TDGWTServiceAsync;
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import org.gcube.portlets.user.td.gwtservice.shared.tr.ColumnData;
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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.HasSelectionHandlers;
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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.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.ListLoadConfig;
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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.ContentPanel;
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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.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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public class ColumnDataGridPanel extends ContentPanel implements HasSelectionHandlers<ColumnData> {
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private static final ColumnDataProperties props = GWT
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.create(ColumnDataProperties.class);
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protected final Grid<ColumnData> grid;
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public ColumnDataGridPanel() {
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ColumnConfig<ColumnData, String> nameCol = new ColumnConfig<ColumnData, String>(
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props.name());
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ColumnConfig<ColumnData, String> typeNameCol = new ColumnConfig<ColumnData, String>(
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props.typeName());
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ColumnConfig<ColumnData, String> typeCodeCol = new ColumnConfig<ColumnData, String>(
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props.typeCode());
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List<ColumnConfig<ColumnData, ?>> l = new ArrayList<ColumnConfig<ColumnData, ?>>();
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l.add(nameCol);
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l.add(typeNameCol);
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l.add(typeCodeCol);
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ColumnModel<ColumnData> cm = new ColumnModel<ColumnData>(l);
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IdentityValueProvider<ColumnData> identity = new IdentityValueProvider<ColumnData>();
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final CheckBoxSelectionModel<ColumnData> sm = new CheckBoxSelectionModel<ColumnData>(identity);
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ListStore<ColumnData> store = new ListStore<ColumnData>(
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props.id());
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RpcProxy<ListLoadConfig, ListLoadResult<ColumnData>> proxy = new RpcProxy<ListLoadConfig, ListLoadResult<ColumnData>>() {
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public void load(ListLoadConfig loadConfig, final AsyncCallback<ListLoadResult<ColumnData>> callback) {
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loadData(loadConfig, callback);
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}
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};
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final ListLoader<ListLoadConfig, ListLoadResult<ColumnData>> loader = new ListLoader<ListLoadConfig, ListLoadResult<ColumnData>>(proxy);
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loader.setRemoteSort(false);
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loader.addLoadHandler(new LoadResultListStoreBinding<ListLoadConfig,ColumnData , ListLoadResult<ColumnData>>(store){
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});
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grid = new Grid<ColumnData>(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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@Override
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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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grid.setLoader(loader);
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grid.setSelectionModel(sm);
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grid.getView().setAutoExpandColumn(nameCol);
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grid.getView().setStripeRows(true);
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grid.getView().setColumnLines(true);
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grid.setBorders(false);
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VerticalLayoutContainer con = new VerticalLayoutContainer();
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con.add(grid, new VerticalLayoutData(1, 1));
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setWidget(con);
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}
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public Grid<ColumnData> getGrid() {
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return grid;
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}
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protected void loadData(ListLoadConfig loadConfig, final AsyncCallback<ListLoadResult<ColumnData>> callback) {
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TDGWTServiceAsync.INSTANCE.getColumns(new AsyncCallback<ArrayList<ColumnData>>() {
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@Override
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public void onFailure(Throwable caught) {
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Log.error("No load columns: "+caught.getLocalizedMessage());
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callback.onFailure(caught);
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}
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@Override
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public void onSuccess(ArrayList<ColumnData> result) {
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Log.trace("loaded "+result.size()+" columns");
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callback.onSuccess(new ListLoadResultBean<ColumnData>(result));
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}
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});
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}
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public List<ColumnData> getSelectedItems() {
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return grid.getSelectionModel().getSelectedItems();
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}
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@Override
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public HandlerRegistration addSelectionHandler(SelectionHandler<ColumnData> handler) {
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return grid.getSelectionModel().addSelectionHandler(handler);
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}
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}
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