142 lines
5.0 KiB
Java
142 lines
5.0 KiB
Java
/****************************************************************************
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* This software is part of the gCube Project.
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* Site: http://www.gcube-system.org/
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****************************************************************************
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* The gCube/gCore software is licensed as Free Open Source software
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* conveying to the EUPL (http://ec.europa.eu/idabc/eupl).
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* The software and documentation is provided by its authors/distributors
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* "as is" and no expressed or
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* implied warranty is given for its use, quality or fitness for a
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* particular case.
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****************************************************************************
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* Filename: ResourceGridFactory.java
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****************************************************************************
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* @author <a href="mailto:daniele.strollo@isti.cnr.it">Daniele Strollo</a>
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***************************************************************************/
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package org.gcube.portlets.admin.resourcesweeper.client.grids;
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import java.util.List;
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import org.gcube.portlets.admin.resourcesweeper.client.Commands;
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import org.gcube.portlets.admin.resourcesweeper.client.clientlogs.ConsoleMessageBroker;
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import org.gcube.portlets.admin.resourcesweeper.client.model.ResourceDetailModel;
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import com.extjs.gxt.ui.client.Style.SortDir;
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import com.extjs.gxt.ui.client.data.BaseListLoader;
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import com.extjs.gxt.ui.client.data.ListLoadResult;
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import com.extjs.gxt.ui.client.data.MemoryProxy;
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import com.extjs.gxt.ui.client.data.ModelData;
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import com.extjs.gxt.ui.client.data.ModelType;
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import com.extjs.gxt.ui.client.data.XmlLoadResultReader;
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import com.extjs.gxt.ui.client.store.GroupingStore;
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import com.extjs.gxt.ui.client.store.ListStore;
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import com.extjs.gxt.ui.client.widget.MessageBox;
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import com.extjs.gxt.ui.client.widget.grid.ColumnModel;
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import com.extjs.gxt.ui.client.widget.grid.Grid;
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import com.extjs.gxt.ui.client.widget.grid.GridGroupRenderer;
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import com.extjs.gxt.ui.client.widget.grid.GroupColumnData;
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import com.extjs.gxt.ui.client.widget.grid.GroupingView;
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/**
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* @author Daniele Strollo (ISTI-CNR)
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*
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*/
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public class ResourceGridFactory {
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public static final synchronized Grid<ModelData> createGrid(
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final String resourceType,
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final List<String> result,
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final String groupingColumn) {
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return createGrid(resourceType, result, groupingColumn, true);
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}
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public static final synchronized Grid<ModelData> createGrid(
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final String resourceType,
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final List<String> result,
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final String groupingColumn,
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final boolean autoExpand) {
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try {
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if (result == null || result.size() == 0) {
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Commands.showPopup(
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"Failure",
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"the retrieved result set for required resource is null or empty",
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6000);
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return null;
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}
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// The the XML reader
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ModelType type = ResourceDetailModel.getXMLMapping(resourceType);
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// For the grid representation
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final ColumnModel cm = ResourceDetailModel.getRecordDefinition(resourceType);
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if (type == null || cm == null) {
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MessageBox.alert("Failure", "the model representation has not been found", null);
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return null;
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}
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// need a loader, proxy, and reader
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XmlLoadResultReader<ListLoadResult<ModelData>> reader =
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new XmlLoadResultReader<ListLoadResult<ModelData>>(type);
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StringBuilder toParse = new StringBuilder().append("<Resources>\n");
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for (String elem : result) {
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toParse.append(elem.toString());
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}
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toParse.append("\n</Resources>");
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MemoryProxy<String> proxy = new MemoryProxy<String>(toParse.toString());
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final BaseListLoader<ListLoadResult<ModelData>> loader =
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new BaseListLoader<ListLoadResult<ModelData>>(proxy, reader);
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ListStore<ModelData> store = null;
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if (groupingColumn != null) {
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store = new GroupingStore<ModelData>(loader);
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} else {
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store = new ListStore<ModelData>(loader);
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}
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//apply the custom sorter
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store.setStoreSorter(new CustomSorter());
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final Grid<ModelData> grid = new Grid<ModelData>(store, cm);
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if (groupingColumn != null) {
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((GroupingStore<ModelData>) store).groupBy(groupingColumn);
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// GROUPING
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// Builds the grouping structure to collapse elements
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// having the same type (log severity).
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GroupingView groupingView = new GroupingView();
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groupingView.setGroupRenderer(new GridGroupRenderer() {
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public String render(final GroupColumnData data) {
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int s = data.models.size();
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String f = cm.getColumnById(data.field).getHeader();
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String l = s == 1 ? "Item" : "Items";
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return f + ": " + ((data.group != null && data.group.trim().length() > 0) ? data.group : "<i>Undefined</i>") + " (" + s + " " + l + ")";
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}
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});
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groupingView.setAutoFill(true);
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groupingView.setForceFit(false);
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grid.setView(groupingView);
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}
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if (autoExpand) {
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// The first visible column will be considered auto-expand
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grid.setAutoExpandColumn(cm.getColumn(0).getId());
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}
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loader.setSortField("ID");
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loader.setSortDir(SortDir.ASC);
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loader.load();
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return grid;
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} catch (RuntimeException e) {
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ConsoleMessageBroker.error(ResourceGridFactory.class, "During resourceDetailGrid creation");
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return null;
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}
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}
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}
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