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282 lines
8.4 KiB
Java
282 lines
8.4 KiB
Java
/**
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*
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*/
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package org.gcube.portlets.user.performfishanalytics.client.view;
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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.performfishanalytics.client.controllers.PerformFishAnalyticsController;
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import org.gcube.portlets.user.performfishanalytics.client.event.SelectedKPIEvent;
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import org.gcube.portlets.user.performfishanalytics.shared.KPI;
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import org.gcube.portlets.user.performfishanalytics.shared.PopulationType;
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import com.google.gwt.cell.client.AbstractCell;
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import com.google.gwt.cell.client.Cell;
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import com.google.gwt.cell.client.CheckboxCell;
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import com.google.gwt.cell.client.CompositeCell;
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import com.google.gwt.cell.client.FieldUpdater;
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import com.google.gwt.cell.client.HasCell;
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import com.google.gwt.core.shared.GWT;
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import com.google.gwt.dom.client.Element;
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import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
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import com.google.gwt.view.client.ListDataProvider;
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import com.google.gwt.view.client.MultiSelectionModel;
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import com.google.gwt.view.client.SelectionChangeEvent;
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import com.google.gwt.view.client.TreeViewModel;
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/**
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* The model that defines the nodes in the tree.
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*/
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public class Copy_2_of_CustomTreeModel implements TreeViewModel {
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// private final List<PopulationType> kpis = new
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// ArrayList<PopulationType>();
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/**
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* This selection model is shared across all leaf nodes. A selection model
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* can also be shared across all nodes in the tree, or each set of child
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* nodes can have its own instance. This gives you flexibility to determine
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* how nodes are selected.
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*/
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private final MultiSelectionModel<KPI> multiSelectionModel =
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new MultiSelectionModel<KPI>();
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private ListDataProvider<PopulationType> rootProvider =
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new ListDataProvider<PopulationType>();
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private ListDataProvider<KPI> populationTypeProvider =
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new ListDataProvider<KPI>();
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private ListDataProvider<KPI> kpiProvider = new ListDataProvider<KPI>();
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private Cell<KPI> kpiCell;
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// private ListDataProvider<KPI> dataProvider = new ListDataProvider<KPI>();
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public Copy_2_of_CustomTreeModel() {
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init();
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multiSelectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler() {
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public void onSelectionChange(SelectionChangeEvent event) {
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GWT.log("Selected: " + multiSelectionModel.getSelectedSet());
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}
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});
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}
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public void init() {
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// Construct a composite cell for contacts that includes a checkbox.
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final List<HasCell<KPI, ?>> hasCells = new ArrayList<HasCell<KPI, ?>>();
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hasCells.add(new HasCell<KPI, Boolean>() {
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private CheckboxCell cell = new CheckboxCell(true, false);
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public Cell<Boolean> getCell() {
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return cell;
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}
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public FieldUpdater<KPI, Boolean> getFieldUpdater() {
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return new FieldUpdater<KPI, Boolean>() {
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@Override
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public void update(int index, KPI object, Boolean value) {
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// TODO Auto-generated method stub
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GWT.log("Checked: "+object.getName() + " value: "+value);
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PerformFishAnalyticsController.eventBus.fireEvent(new SelectedKPIEvent(null, object, value));
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}
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};
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}
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public Boolean getValue(KPI object) {
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return multiSelectionModel.isSelected(object);
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}
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});
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hasCells.add(new HasCell<KPI, KPI>() {
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private KPICell cell = new KPICell(null);
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public Cell<KPI> getCell() {
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return cell;
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}
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public FieldUpdater<KPI, KPI> getFieldUpdater() {
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return null;
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}
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public KPI getValue(KPI object) {
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return object;
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}
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});
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kpiCell = new CompositeCell<KPI>(hasCells) {
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@Override
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public void render(Context context, KPI value, SafeHtmlBuilder sb) {
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sb.appendHtmlConstant("<table><tbody><tr>");
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super.render(context, value, sb);
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sb.appendHtmlConstant("</tr></tbody></table>");
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/*if(value.isLeaf()){
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sb.appendHtmlConstant("<table style=\"color:#0066cc;\"><tbody><tr>");
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//hasCells.get(0).getCell().render(context, value.getClass(), sb);
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//super.render(context, value, sb);
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sb.appendHtmlConstant("</tr></tbody></table>");
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}else{
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sb.appendHtmlConstant("<table><tbody><tr>");
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//sb.appendHtmlConstant(value.getName());
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//superrender(context, value, sb);
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sb.appendHtmlConstant("</tr></tbody></table>");
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}*/
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}
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@Override
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protected Element getContainerElement(Element parent) {
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// Return the first TR element in the table.
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return parent.getFirstChildElement().getFirstChildElement().getFirstChildElement();
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}
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@Override
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protected <X> void render(
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Context context, KPI value, SafeHtmlBuilder sb,
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HasCell<KPI, X> hasCell) {
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Cell<X> cell = hasCell.getCell();
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sb.appendHtmlConstant("<td>");
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cell.render(context, hasCell.getValue(value), sb);
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sb.appendHtmlConstant("</td>");
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}
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};
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}
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public void setNewPopulationType(PopulationType populationType) {
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GWT.log("Displayng KPI for: " + populationType.toString());
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// dataProvider.getList().clear();
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// dataProvider.setList(list);
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// dataProvider.refresh();
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if (this.populationTypeProvider != null) {
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// this.kpis.clear();
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this.populationTypeProvider.getList().clear();
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this.populationTypeProvider.getList().addAll(
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populationType.getListKPI());
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}
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// fillFirstRootLevel(populationType.getListKPI());
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//
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// this.getNodeInfo(populationType);
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}
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// private void fillFirstRootLevel(List<KPI> listKPI){
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// kpis.clear();
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// PopulationType rootKPI = new PopulationType("", "KPIs","","",null);
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// rootKPI.setListKPI(rootKPI.getListKPI());
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// kpis.add(rootKPI);
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// //rootProvider.refresh();
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// }
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/**
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* Get the {@link NodeInfo} that provides the children of the specified
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* value.
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*/
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public <T> NodeInfo<?> getNodeInfo(T value) {
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GWT.log("Get Node Info fired: " + value);
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if (value == null) {
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// LEVEL 0.
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// We passed null as the root value. Return the composers.
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// Create a data provider that contains the list of composers.
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// PopulationType root = fillFirstRootLevel(null);
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// Create a cell to display a composer.
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PopulationType rootKPI =
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new PopulationType("", "KPIs", "", "", null);
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rootKPI.setListKPI(rootKPI.getListKPI());
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rootProvider.getList().add(rootKPI);
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Cell<PopulationType> cell = new AbstractCell<PopulationType>() {
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@Override
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public void render(
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com.google.gwt.cell.client.Cell.Context context,
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PopulationType value, SafeHtmlBuilder sb) {
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GWT.log("Rendering Root: " + value + " KPIs: " +
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value.getListKPI());
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// sb.appendHtmlConstant(" ROOT ");
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sb.appendEscaped(value.getName());
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}
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};
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// Return a node info that pairs the data provider and the cell.
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return new DefaultNodeInfo<PopulationType>(rootProvider, cell);
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}
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else if (value instanceof PopulationType) {
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// LEVEL 1.
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// We want the children of PopulationType. Getting its list of KPI.
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// List<KPI> listOfKpi = ((PopulationType) value).getListKPI();
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GWT.log("PopulationType listOfKpi: " + populationTypeProvider.getList());
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// populationTypeProvider = new ListDataProvider<KPI>(listOfKpi);
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// Cell<KPI> cell = new AbstractCell<KPI>() {
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//
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// @Override
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// public void render(
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// com.google.gwt.cell.client.Cell.Context context, KPI value,
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// SafeHtmlBuilder sb) {
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//
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// GWT.log("Rendering PopulationType: " + value);
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// if (value != null) {
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// sb.appendHtmlConstant(" ");
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// sb.appendEscaped(value.getName());
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// }
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// }
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// };
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return new DefaultNodeInfo<KPI>(populationTypeProvider, kpiCell);
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}
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else if (value instanceof KPI) {
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// LEVEL 2 - LEAF.
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// We want the children of the KPI. Return them.
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List<KPI> listOfKpi = ((KPI) value).getListKPI();
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if (listOfKpi != null) {
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GWT.log("KPI type listOfKpi: " + listOfKpi.toString());
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kpiProvider = new ListDataProvider<KPI>(((KPI) value).getListKPI());
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// Cell<KPI> cell = new AbstractCell<KPI>() {
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//
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// @Override
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// public void render(
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// com.google.gwt.cell.client.Cell.Context context,
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// KPI value, SafeHtmlBuilder sb) {
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//
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// GWT.log("Rendering KPI: " + value);
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// if (value != null) {
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// sb.appendHtmlConstant(" ---- ");
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// sb.appendEscaped(value.getName());
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// }
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// }
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// };
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return new DefaultNodeInfo<KPI>(
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kpiProvider, kpiCell, multiSelectionModel, null);
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}
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}
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return null;
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}
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/**
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* Check if the specified value represents a leaf node. Leaf nodes cannot be
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* opened.
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*/
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public boolean isLeaf(Object value) {
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// The leaf nodes are the songs, which are Strings.
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if (value instanceof KPI) {
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KPI toKPI = (KPI) value;
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return toKPI.isLeaf();
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}
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return false;
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}
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}
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