1 /*******************************************************************************
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2 * Copyright (c) 2012 Association for Decentralized Information Management in
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4 * All rights reserved. This program and the accompanying materials
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5 * are made available under the terms of the Eclipse Public License v1.0
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6 * which accompanies this distribution, and is available at
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7 * http://www.eclipse.org/legal/epl-v10.html
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10 * VTT Technical Research Centre of Finland - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.charts.ui;
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14 import java.io.File;
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15 import java.io.IOException;
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16 import java.lang.reflect.InvocationTargetException;
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17 import java.util.Deque;
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19 import org.eclipse.core.runtime.preferences.InstanceScope;
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20 import org.eclipse.jface.dialogs.MessageDialog;
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21 import org.eclipse.jface.preference.IPersistentPreferenceStore;
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22 import org.eclipse.jface.preference.IPreferenceStore;
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23 import org.eclipse.jface.viewers.IStructuredSelection;
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24 import org.eclipse.jface.wizard.Wizard;
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25 import org.eclipse.jface.wizard.WizardPage;
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26 import org.eclipse.ui.IExportWizard;
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27 import org.eclipse.ui.IWorkbench;
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28 import org.eclipse.ui.preferences.ScopedPreferenceStore;
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29 import org.simantics.db.management.ISessionContext;
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30 import org.simantics.modeling.ui.Activator;
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31 import org.simantics.modeling.ui.utils.NoProjectPage;
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32 import org.simantics.project.IProject;
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33 import org.simantics.project.ProjectKeys;
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34 import org.simantics.ui.SimanticsUI;
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35 import org.simantics.utils.ui.ErrorLogger;
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36 import org.simantics.utils.ui.ExceptionUtils;
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39 * @author Antti Villberg
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41 public class CSVExportWizard extends Wizard implements IExportWizard {
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43 private static final int MAX_RECENT_EXPORT_PATHS = 10;
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45 Deque<String> recentExportPaths;
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50 private boolean readPreferences() {
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51 IPreferenceStore store = new ScopedPreferenceStore(InstanceScope.INSTANCE, Activator.PLUGIN_ID);
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53 String recentPathsPref = store.getString(CSVExportPreferences.RECENT_LOCATIONS);
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54 recentExportPaths = CSVExportPreferences.decodePaths(recentPathsPref);
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55 overwrite = store.getBoolean(CSVExportPreferences.EXPORT_OVERWRITE);
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60 private void writePreferences() throws IOException {
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61 IPersistentPreferenceStore store = new ScopedPreferenceStore(InstanceScope.INSTANCE, Activator.PLUGIN_ID);
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63 store.putValue(CSVExportPreferences.RECENT_LOCATIONS, CSVExportPreferences.encodePaths(recentExportPaths));
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64 store.setValue(CSVExportPreferences.EXPORT_OVERWRITE, plan.overwrite);
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66 if (store.needsSaving())
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70 public CSVExportWizard() {
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71 setWindowTitle("Export Subscription Data As CSV Text");
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72 setNeedsProgressMonitor(true);
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76 public void init(IWorkbench workbench, IStructuredSelection selection) {
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79 ISessionContext ctx = SimanticsUI.getSessionContext();
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82 IProject project = ctx.getHint(ProjectKeys.KEY_PROJECT);
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83 if (project == null)
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86 plan = new CSVExportPlan(ctx, recentExportPaths);
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87 plan.project = project;
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88 plan.selection = selection;
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89 plan.overwrite = overwrite;
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93 public void addPages() {
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96 addPage(new CSVExportPage(plan));
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98 addPage(new NoProjectPage("Export Subscription Data As CSV Text"));
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103 public boolean performFinish() {
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105 recentExportPaths.addFirst(plan.exportLocation.getAbsolutePath());
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106 CSVExportPreferences.removeDuplicates(recentExportPaths);
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107 if (recentExportPaths.size() > MAX_RECENT_EXPORT_PATHS)
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108 recentExportPaths.pollLast();
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110 writePreferences();
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111 } catch (IOException e) {
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112 ErrorLogger.defaultLogError("Failed to write preferences", e);
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115 final File output = plan.exportLocation;
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116 if (output.exists()) {
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117 if (!plan.overwrite) {
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118 boolean ok = MessageDialog.openConfirm(getShell(), "Overwrite", "A file by the name " + output.getAbsolutePath() + " already exists.\n\nDo you want to overwrite?");
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123 if (!output.delete()) {
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124 MessageDialog.openError(getShell(), "Delete Problem", "Could not overwrite previously existing file " + output);
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130 getContainer().run(true, true, new CSVExporter(plan));
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131 } catch (InvocationTargetException e) {
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132 Throwable t = e.getTargetException();
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133 WizardPage cp = (WizardPage) getContainer().getCurrentPage();
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134 if (t instanceof IOException) {
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135 ErrorLogger.defaultLogError("An I/O problem occurred while exporting subscription data. See exception for details.", t);
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136 cp.setErrorMessage("An I/O problem occurred while exporting subscription data.\n\nMessage: " + e.getMessage());
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138 ErrorLogger.defaultLogError("Unexpected exception while exporting subscription data. See exception for details.", t);
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139 cp.setErrorMessage("Unexpected exception while exporting subscription data. See error log for details.\n\nMessage: " + e.getMessage());
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142 } catch (InterruptedException e) {
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143 ExceptionUtils.logAndShowError(e);
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