org.simantics.district.imports.ui/src/org/simantics/district/imports/ui/CSVImportWizardFirstPage.java

   1 package org.simantics.district.imports.ui;
   2
   3 import java.nio.file.Files;
   4 import java.nio.file.Path;
   5 import java.nio.file.Paths;
   6 import java.util.Collection;
   7 import java.util.HashMap;
   8 import java.util.Map;
   9
  10 import org.eclipse.jface.layout.GridDataFactory;
  11 import org.eclipse.jface.layout.GridLayoutFactory;
  12 import org.eclipse.jface.wizard.WizardPage;
  13 import org.eclipse.swt.SWT;
  14 import org.eclipse.swt.events.SelectionEvent;
  15 import org.eclipse.swt.events.SelectionListener;
  16 import org.eclipse.swt.layout.GridLayout;
  17 import org.eclipse.swt.widgets.Combo;
  18 import org.eclipse.swt.widgets.Composite;
  19 import org.eclipse.swt.widgets.Group;
  20 import org.simantics.Simantics;
  21 import org.simantics.db.ReadGraph;
  22 import org.simantics.db.Resource;
  23 import org.simantics.db.common.request.ReadRequest;
  24 import org.simantics.db.exception.DatabaseException;
  25 import org.simantics.district.imports.CSVImportModel;
  26 import org.simantics.district.network.ui.function.Functions;
  27 import org.simantics.modeling.ModelingResources;
  28 import org.simantics.utils.ui.widgets.FileOrDirectorySelectionWidget;
  29 import org.simantics.utils.ui.widgets.FileSelectionListener;
  30 import org.simantics.utils.ui.widgets.FileSelectionWidget;
  31
  32 public class CSVImportWizardFirstPage extends WizardPage implements FileSelectionListener {
  33
  34     private final CSVImportModel model;
  35
  36     private Map<String, Resource> diagrams = new HashMap<>();
  37
  38     private Combo diagramCombo;
  39     private FileSelectionWidget csvSelection;
  40
  41     public CSVImportWizardFirstPage(CSVImportModel model) {
  42         super("Select source for CSV data");
  43         this.model = model;
  44         setMessage("Select target network diagram and source for CSV-data");
  45     }
  46
  47     @Override
  48     public void createControl(Composite parent) {
  49         Composite composite = new Composite(parent, SWT.NONE);
  50         composite.setLayout(new GridLayout(1,false));
  51         GridDataFactory.fillDefaults().grab(true, true).align(SWT.FILL, SWT.FILL).applyTo(composite);
  52
  53         Group parentConfigurationGroup = new Group(composite, SWT.NONE);
  54         parentConfigurationGroup.setText("Select target network diagram");
  55         GridDataFactory.fillDefaults().grab(true, false).span(2, 1).applyTo(parentConfigurationGroup);
  56
  57         diagramCombo = new Combo(parentConfigurationGroup, SWT.DROP_DOWN | SWT.READ_ONLY);
  58         diagramCombo.addSelectionListener(new SelectionListener() {
  59
  60             @Override
  61             public void widgetSelected(SelectionEvent e) {
  62                 widgetDefaultSelected(e);
  63             }
  64
  65             @Override
  66             public void widgetDefaultSelected(SelectionEvent e) {
  67                 String selection = diagramCombo.getItem(diagramCombo.getSelectionIndex());
  68                 model.setParentDiagram(diagrams.get(selection));
  69                 validateComplete();
  70             }
  71         });
  72
  73         GridLayoutFactory.fillDefaults().numColumns(1).equalWidth(false).extendedMargins(12, 12, 12, 12).spacing(5, 4).applyTo(parentConfigurationGroup);
  74
  75         csvSelection = new FileSelectionWidget(composite, "CSV file", SWT.OPEN);
  76         csvSelection.addListener(this);
  77
  78         updateAvailableParents();
  79
  80         validateComplete();
  81
  82         setControl(composite);
  83     }
  84
  85     private void updateAvailableParents() {
  86         try {
  87             Simantics.getSession().syncRequest(new ReadRequest() {
  88
  89                 @Override
  90                 public void run(ReadGraph graph) throws DatabaseException {
  91                     Collection<Resource> diagrams = Functions.getDistrictDiagrams(graph);
  92                     ModelingResources MOD = ModelingResources.getInstance(graph);
  93                     Resource projectResource = Simantics.getProjectResource();
  94                     String projectURI = graph.getURI(projectResource);
  95                     for (Resource diagram : diagrams) {
  96                         Resource composite = graph.getSingleObject(diagram, MOD.DiagramToComposite);
  97                         String compositeURI = graph.getURI(composite);
  98                         String path = compositeURI.replace(projectURI, "");
  99                         CSVImportWizardFirstPage.this.diagrams.put(path, diagram);
 100                     }
 101                 }
 102             });
 103             diagramCombo.setItems(diagrams.keySet().toArray(new String[diagrams.size()]));
 104             if (diagrams.size() > 0) {
 105                 diagramCombo.select(0);
 106                 model.setParentDiagram(diagrams.get(diagramCombo.getItem(0)));
 107                 diagramCombo.getDisplay().asyncExec(() -> validateComplete());
 108             }
 109         } catch (DatabaseException e) {
 110             e.printStackTrace();
 111         }
 112     }
 113
 114     @Override
 115     public void fileSelected(FileOrDirectorySelectionWidget source, String[] filename) {
 116         String[] selection = csvSelection.getFilename();
 117         if (selection != null && selection.length > 0) {
 118             Path csvFile = Paths.get(selection[0]);
 119             if (!Files.exists(csvFile)) {
 120                 setErrorMessage("File " + csvFile.toAbsolutePath() + " does not exist");
 121             } else {
 122                 model.setSource(csvFile);
 123                 validateComplete();
 124             }
 125         }
 126     }
 127
 128     private void validateComplete() {
 129         setPageComplete(model.getSource() != null && model.getParentDiagram() != null);
 130     }
 131 }