org.simantics.maps.server.ui/src/org/simantics/maps/server/ui/prefs/MapsServerPreferencePage.java

   1 package org.simantics.maps.server.ui.prefs;
   2
   3 import java.io.IOException;
   4 import java.net.URISyntaxException;
   5 import java.nio.file.Files;
   6 import java.nio.file.Path;
   7 import java.nio.file.Paths;
   8 import java.util.List;
   9
  10 import org.eclipse.core.runtime.preferences.InstanceScope;
  11 import org.eclipse.jface.layout.GridDataFactory;
  12 import org.eclipse.jface.layout.GridLayoutFactory;
  13 import org.eclipse.jface.preference.BooleanFieldEditor;
  14 import org.eclipse.jface.preference.ComboFieldEditor;
  15 import org.eclipse.jface.preference.FieldEditorPreferencePage;
  16 import org.eclipse.jface.preference.FileFieldEditor;
  17 import org.eclipse.jface.preference.IPreferenceStore;
  18 import org.eclipse.jface.preference.IntegerFieldEditor;
  19 import org.eclipse.jface.util.IPropertyChangeListener;
  20 import org.eclipse.jface.util.PropertyChangeEvent;
  21 import org.eclipse.swt.SWT;
  22 import org.eclipse.swt.events.SelectionAdapter;
  23 import org.eclipse.swt.events.SelectionEvent;
  24 import org.eclipse.swt.widgets.Button;
  25 import org.eclipse.swt.widgets.Composite;
  26 import org.eclipse.swt.widgets.Group;
  27 import org.eclipse.swt.widgets.Label;
  28 import org.eclipse.ui.IWorkbench;
  29 import org.eclipse.ui.IWorkbenchPreferencePage;
  30 import org.eclipse.ui.preferences.ScopedPreferenceStore;
  31 import org.simantics.district.maps.server.TileserverMapnik;
  32 import org.simantics.district.maps.server.TileserverMapnikInstance;
  33 import org.simantics.district.maps.server.prefs.MapsServerPreferences;
  34 import org.simantics.maps.server.ui.TileserverMapnikStartJob;
  35 import org.slf4j.Logger;
  36 import org.slf4j.LoggerFactory;
  37
  38 public class MapsServerPreferencePage extends FieldEditorPreferencePage implements IWorkbenchPreferencePage {
  39
  40     private static final Logger LOGGER = LoggerFactory.getLogger(MapsServerPreferencePage.class);
  41
  42     private TileserverMapnik server;
  43
  44     private FileFieldEditor addNew;
  45
  46     public MapsServerPreferencePage() {
  47         super(GRID);
  48         setDescription("Maps server preferences");
  49     }
  50
  51     @Override
  52     public void init(IWorkbench workbench) {
  53         try {
  54             server = TileserverMapnikInstance.get();
  55         } catch (IOException | URISyntaxException e) {
  56             LOGGER.error("Could not initialize " + getClass(), e);
  57         }
  58     }
  59
  60     @Override
  61     protected IPreferenceStore doGetPreferenceStore() {
  62         return new ScopedPreferenceStore(InstanceScope.INSTANCE, MapsServerPreferences.P_NODE);
  63     }
  64
  65     private void createServerStatusField(Composite parent) {
  66         Label label = new Label(parent, SWT.NONE);
  67
  68         Button b = new Button(parent, SWT.NONE);
  69         updateWidgets(label, b);
  70         b.addSelectionListener(new SelectionAdapter() {
  71
  72             @Override
  73             public void widgetSelected(SelectionEvent e) {
  74                 try {
  75                     if (server.isRunning()) {
  76                         server.stop();
  77                         updateWidgets(label, b);
  78                     } else {
  79                         new TileserverMapnikStartJob().schedule();
  80                     }
  81                 } catch (Exception ex) {
  82                     LOGGER.error("Could not start/stop server", ex);
  83                 }
  84             }
  85         });
  86     }
  87
  88     private void updateWidgets(Label label, Button b) {
  89         String labelText = "";
  90         String buttonText = "";
  91         int labelColor = -1;
  92         try {
  93             if (server.isRunning()) {
  94                 buttonText = "Stop";
  95                 labelText = "running";
  96                 labelColor = SWT.COLOR_DARK_GREEN;
  97             } else {
  98                 labelText = "stopped";
  99                 buttonText = "Start";
 100             }
 101         } catch (IOException | InterruptedException e) {
 102             LOGGER.error("Could not create server status field!", e);
 103             labelText = "unknown";
 104             labelColor = SWT.COLOR_DARK_RED;
 105         }
 106         label.setText("Tileserver is currently " + labelText);
 107         label.setForeground(getShell().getDisplay().getSystemColor(labelColor));
 108
 109         b.setText(buttonText + " server");
 110     }
 111
 112     private void createGeneralGroup() {
 113         Group serverGroup = new Group(getFieldEditorParent(), SWT.NONE);
 114         serverGroup.setText("General");
 115         GridDataFactory.fillDefaults().grab(true, false).span(2, 1).applyTo(serverGroup);
 116
 117         createServerStatusField(serverGroup);
 118
 119         IntegerFieldEditor port = new IntegerFieldEditor(MapsServerPreferences.P_DEFAULT_PORT, "Tileserver port", serverGroup);
 120         addField(port);
 121
 122         BooleanFieldEditor automatically = new BooleanFieldEditor(MapsServerPreferences.P_START_AUTOMATICALLY, "Start tileserver automatically", serverGroup);
 123         addField(automatically);
 124
 125         Button openInExplorer = new Button(serverGroup, SWT.NONE);
 126         openInExplorer.setText("Open server folder");
 127         openInExplorer.addSelectionListener(new SelectionAdapter() {
 128
 129             @Override
 130             public void widgetSelected(SelectionEvent e) {
 131 //                E4WorkbenchUtils.showInSystemExplorer("");
 132             }
 133         });
 134
 135         GridLayoutFactory.fillDefaults().numColumns(2).equalWidth(false).extendedMargins(12, 12, 12, 12).spacing(5, 4).applyTo(serverGroup);
 136     }
 137
 138     @Override
 139     protected void createFieldEditors() {
 140         createGeneralGroup();
 141
 142         createStylesGroup();
 143
 144         createTilesGroup();
 145     }
 146
 147     private void createStylesGroup() {
 148         Group stylesGroup = new Group(getFieldEditorParent(), SWT.NONE);
 149         stylesGroup.setText("Styles");
 150         GridDataFactory.fillDefaults().grab(true, false).span(2, 1).applyTo(stylesGroup);
 151
 152         createTM2StylesField(stylesGroup);
 153
 154         GridLayoutFactory.fillDefaults().numColumns(2).equalWidth(false).extendedMargins(12, 12, 12, 12).spacing(5, 4).applyTo(stylesGroup);
 155     }
 156
 157     private void createTM2StylesField(Composite parent) {
 158         try {
 159             List<String> styles = server.listStyles();
 160
 161             String[][] namesAndValues = new String[styles.size()][];
 162             for (int i = 0; i < styles.size(); i++) {
 163                 String style = styles.get(i);
 164                 String[] nameAndValue = new String[2];
 165                 nameAndValue[0] = style;
 166                 nameAndValue[1] = style;
 167                 namesAndValues[i] = nameAndValue;
 168             }
 169
 170             ComboFieldEditor selector = new ComboFieldEditor(MapsServerPreferences.P_CURRENT_TM2STYLE, "Tile Styles", namesAndValues, parent);
 171             addField(selector);
 172         } catch (IOException e) {
 173             e.printStackTrace();
 174         }
 175     }
 176
 177     private void createTilesGroup() {
 178         Group tilesGroup = new Group(getFieldEditorParent(), SWT.NONE);
 179         tilesGroup.setText("MBTiles");
 180         GridDataFactory.fillDefaults().grab(true, false).span(2, 1).applyTo(tilesGroup);
 181
 182         createTilesField(tilesGroup);
 183
 184         GridLayoutFactory.fillDefaults().numColumns(3).equalWidth(false).extendedMargins(12, 12, 12, 12).spacing(5, 4).applyTo(tilesGroup);
 185     }
 186
 187     private void createTilesField(Composite parent) {
 188         try {
 189             List<String> tiles = server.availableMBTiles();
 190
 191             String[][] namesAndValues = new String[tiles.size()][];
 192             for (int i = 0; i < tiles.size(); i++) {
 193                 String style = tiles.get(i);
 194                 String[] nameAndValue = new String[2];
 195                 nameAndValue[0] = style;
 196                 nameAndValue[1] = style;
 197                 namesAndValues[i] = nameAndValue;
 198             }
 199
 200             ComboFieldEditor selector = new ComboFieldEditor(MapsServerPreferences.P_CURRENT_MBTILES, "MBTiles", namesAndValues, parent);
 201             addField(selector);
 202
 203             addNew = new FileFieldEditor("Add new tiles", "Add new tiles", parent);
 204             addNew.setPropertyChangeListener(new IPropertyChangeListener() {
 205
 206                 @Override
 207                 public void propertyChange(PropertyChangeEvent event) {
 208                     System.out.println(event);
 209                 }
 210             });
 211
 212         } catch (IOException e) {
 213             LOGGER.error("Could not create tiles field", e);
 214         }
 215     }
 216
 217     @Override
 218     protected void performApply() {
 219         // Upload new mbtiles file
 220         String fileLocation = addNew.getStringValue();
 221         if (fileLocation != null && !fileLocation.isEmpty()) {
 222             Path p = Paths.get(fileLocation);
 223             Path target = server.getDataDirectory().resolve(p.getFileName());
 224             try {
 225                 Files.copy(p, target);
 226             } catch (IOException e) {
 227                 String message = "Could not upload " + fileLocation + " to " + target.toAbsolutePath();
 228                 LOGGER.error(message, e);
 229                 setErrorMessage(message);
 230             }
 231         }
 232         super.performApply();
 233     }
 234
 235     @Override
 236     public boolean performOk() {
 237         boolean success = super.performOk();
 238
 239         try {
 240             server.stop();
 241             new TileserverMapnikStartJob().schedule();
 242         } catch (Exception e) {
 243             LOGGER.error("Could not restart tileserver-mapnik", e);
 244         }
 245
 246         return success;
 247     }
 248
 249 }