]> gerrit.simantics Code Review - simantics/platform.git/blobdiff - bundles/org.simantics.charts/src/org/simantics/charts/ui/CSVExportPage.java
Fixed all line endings of the repository
[simantics/platform.git] / bundles / org.simantics.charts / src / org / simantics / charts / ui / CSVExportPage.java
index 0f5a1751d585aab615839a7dbd771d6709745e30..002884d98131a9c54b72817c609d1092817ba531 100644 (file)
-/*******************************************************************************\r
- * Copyright (c) 2012 Association for Decentralized Information Management in\r
- * Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- *     VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.charts.ui;\r
-\r
-import java.io.File;\r
-import java.util.ArrayList;\r
-import java.util.Collection;\r
-import java.util.Collections;\r
-import java.util.HashSet;\r
-import java.util.List;\r
-import java.util.Map;\r
-import java.util.Set;\r
-\r
-import org.eclipse.core.runtime.preferences.InstanceScope;\r
-import org.eclipse.jface.layout.GridDataFactory;\r
-import org.eclipse.jface.layout.GridLayoutFactory;\r
-import org.eclipse.jface.preference.IPreferenceStore;\r
-import org.eclipse.jface.wizard.WizardPage;\r
-import org.eclipse.swt.SWT;\r
-import org.eclipse.swt.custom.CCombo;\r
-import org.eclipse.swt.custom.ScrolledComposite;\r
-import org.eclipse.swt.events.ModifyListener;\r
-import org.eclipse.swt.events.SelectionAdapter;\r
-import org.eclipse.swt.events.SelectionEvent;\r
-import org.eclipse.swt.events.SelectionListener;\r
-import org.eclipse.swt.layout.GridData;\r
-import org.eclipse.swt.widgets.Button;\r
-import org.eclipse.swt.widgets.Composite;\r
-import org.eclipse.swt.widgets.FileDialog;\r
-import org.eclipse.swt.widgets.Group;\r
-import org.eclipse.swt.widgets.Label;\r
-import org.eclipse.swt.widgets.Table;\r
-import org.eclipse.swt.widgets.TableItem;\r
-import org.eclipse.swt.widgets.Text;\r
-import org.eclipse.ui.preferences.ScopedPreferenceStore;\r
-import org.simantics.NameLabelUtil;\r
-import org.simantics.Simantics;\r
-import org.simantics.browsing.ui.common.ColumnKeys;\r
-import org.simantics.databoard.Bindings;\r
-import org.simantics.databoard.parser.StringEscapeUtils;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.common.NamedResource;\r
-import org.simantics.db.common.request.IsParent;\r
-import org.simantics.db.common.request.UniqueRead;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.db.layer0.SelectionHints;\r
-import org.simantics.history.csv.ColumnSeparator;\r
-import org.simantics.history.csv.DecimalSeparator;\r
-import org.simantics.history.csv.ExportInterpolation;\r
-import org.simantics.layer0.Layer0;\r
-import org.simantics.modeling.ModelingResources;\r
-import org.simantics.modeling.ModelingUtils;\r
-import org.simantics.modeling.preferences.CSVPreferences;\r
-import org.simantics.modeling.ui.modelBrowser2.label.SubscriptionItemLabelRule;\r
-import org.simantics.utils.datastructures.Arrays;\r
-import org.simantics.utils.datastructures.Pair;\r
-import org.simantics.utils.strings.AlphanumComparator;\r
-import org.simantics.utils.ui.ISelectionUtils;\r
-\r
-\r
-/**\r
- * @author Antti Villberg\r
- */\r
-public class CSVExportPage extends WizardPage {\r
-\r
-    CSVExportPlan       exportModel;\r
-    CCombo              model;\r
-    Table               item;\r
-    Button              selectAllItems;\r
-    SelectionAdapter    selectAllItemsListener;\r
-    CCombo              exportLocation;\r
-\r
-    CCombo decimalSeparator;\r
-    CCombo columnSeparator;\r
-    CCombo sampling;\r
-    Text timeStep;\r
-    Text startTime;\r
-    Text timeStamps;\r
-    CCombo samplingMode;\r
-    Text singlePrecision;\r
-    Text doublePrecision;\r
-\r
-    Group resampling;\r
-\r
-    Collection<Resource> initialSelection;\r
-\r
-    List<Pair<NamedResource,List<NamedResource>>> models = new ArrayList<>();\r
-\r
-    private Button      overwrite;\r
-\r
-    ModifyListener m = (e) -> validatePage();\r
-\r
-    SelectionListener s = new SelectionAdapter() {\r
-        @Override\r
-        public void widgetSelected(SelectionEvent e) {\r
-            validatePage();\r
-        }\r
-    };\r
-\r
-    protected CSVExportPage(CSVExportPlan model) {\r
-        super("Export CSV Data", "Define Export Properties", null);\r
-        this.exportModel = model;\r
-    }\r
-\r
-    @Override\r
-    public void createControl(Composite parent) {\r
-        ScrolledComposite scroller = new ScrolledComposite(parent, SWT.V_SCROLL);\r
-        scroller.setExpandHorizontal(true);\r
-        scroller.setExpandVertical(true);\r
-\r
-        Composite container = new Composite(scroller, SWT.NONE);\r
-        scroller.setContent(container);\r
-        GridLayoutFactory.swtDefaults().spacing(20, 10).numColumns(3).applyTo(container);\r
-        new Label(container, SWT.NONE).setText("Select a model:");\r
-        model = new CCombo(container, SWT.BORDER);\r
-        {\r
-            model.setEditable(false);\r
-            model.setText("");\r
-            model.setToolTipText("Selects the Model To Export From");\r
-            GridDataFactory.fillDefaults().grab(true, false).span(2, 1).applyTo(model);\r
-        }\r
-\r
-        new Label(container, SWT.NONE).setText("Exported items:");\r
-        item = new Table(container, SWT.BORDER | SWT.MULTI | SWT.FULL_SELECTION | SWT.CHECK);\r
-        {\r
-            item.setToolTipText("Selects the Subscription Items");\r
-            GridDataFactory.fillDefaults().grab(true, true).span(2, 1).hint(SWT.DEFAULT, 105).applyTo(item);\r
-        }\r
-        item.addSelectionListener(new SelectionAdapter() {\r
-            @Override\r
-            public void widgetSelected(SelectionEvent e) {\r
-                if (e.detail == SWT.CHECK) {\r
-                    TableItem[] selected = item.getSelection();\r
-                    TableItem it = (TableItem) e.item;\r
-                    boolean checkedWasSelected = Arrays.contains(selected, it);\r
-                    if (checkedWasSelected) {\r
-                        boolean check = it.getChecked();\r
-                        for (TableItem i : selected)\r
-                            i.setChecked(check);\r
-                    }\r
-                    int checked = countCheckedItems(item);\r
-                    int totalItems = item.getItemCount();\r
-                    updateSelectAll(checked > 0, checked < totalItems, false);\r
-                    validatePage();\r
-                }\r
-            }\r
-        });\r
-        new Label(container, 0);\r
-        selectAllItems = new Button(container, SWT.CHECK);\r
-        {\r
-            selectAllItems.setText("&Select All");\r
-            selectAllItems.setToolTipText("Select/Deselect All Listed Subscription Items");\r
-            GridDataFactory.fillDefaults().grab(true, false).span(2, 1).applyTo(selectAllItems);\r
-        }\r
-        selectAllItemsListener = new SelectionAdapter() {\r
-            @Override\r
-            public void widgetSelected(SelectionEvent e) {\r
-                boolean select = selectAllItems.getSelection();\r
-                updateSelectAll(select, false, false);\r
-                item.setRedraw(false);\r
-                for (TableItem it : item.getItems())\r
-                    it.setChecked(select);\r
-                item.setRedraw(true);\r
-\r
-                validatePage();\r
-            }\r
-        };\r
-        selectAllItems.addSelectionListener(selectAllItemsListener);\r
-\r
-        new Label(container, SWT.NONE).setText("&Output file:");\r
-        exportLocation = new CCombo(container, SWT.BORDER);\r
-        {\r
-            exportLocation.setText("");\r
-            GridDataFactory.fillDefaults().grab(true, false).span(1, 1).applyTo(exportLocation);\r
-            exportLocation.addModifyListener(m);\r
-        }\r
-        Button browseFileButton = new Button(container, SWT.PUSH);\r
-        {\r
-            browseFileButton.setText("Browse...");\r
-            browseFileButton.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false));\r
-            browseFileButton.addSelectionListener(new SelectionAdapter() {\r
-                @Override\r
-                public void widgetSelected(SelectionEvent e) {\r
-                    FileDialog dialog = new FileDialog(getShell(), SWT.SAVE);\r
-                    dialog.setText("Choose Output File");\r
-                    dialog.setFilterPath(new File(exportLocation.getText()).getParent());\r
-                    dialog.setFilterExtensions(new String[] { "*.csv" });\r
-                    dialog.setFilterNames(new String[] { "Comma separated values (*.csv)" });\r
-                    dialog.setOverwrite(false);\r
-                    String file = dialog.open();\r
-                    if (file == null)\r
-                        return;\r
-                    exportLocation.setText(file);\r
-                    validatePage();\r
-                }\r
-            });\r
-        }\r
-\r
-        \r
-        Label horizRule = new Label(container, SWT.BORDER);\r
-        GridDataFactory.fillDefaults().hint(SWT.DEFAULT, 0).grab(true, false).span(3, 1).applyTo(horizRule);\r
-\r
-        new Label(container, SWT.NONE).setText("&Decimal separator:");\r
-        decimalSeparator = new CCombo(container, SWT.READ_ONLY | SWT.BORDER);\r
-        for(DecimalSeparator s : DecimalSeparator.values())\r
-            decimalSeparator.add(s.label);\r
-        decimalSeparator.select(0);\r
-        decimalSeparator.addSelectionListener(s);\r
-        GridDataFactory.fillDefaults().grab(true, false).span(2, 1).applyTo(decimalSeparator);\r
-\r
-        new Label(container, SWT.NONE).setText("&Column separator:");\r
-        columnSeparator = new CCombo(container, SWT.READ_ONLY | SWT.BORDER);\r
-        for(ColumnSeparator s : ColumnSeparator.values())\r
-            columnSeparator.add(s.label);\r
-        columnSeparator.select(0);\r
-        columnSeparator.addSelectionListener(s);\r
-        GridDataFactory.fillDefaults().grab(true, false).span(2, 1).applyTo(columnSeparator);\r
-\r
-        new Label(container, SWT.NONE).setText("Sampling:");\r
-        sampling = new CCombo(container, SWT.READ_ONLY | SWT.BORDER);\r
-        sampling.add("Recorded samples");\r
-        sampling.add("Resampled");\r
-        sampling.select(0);\r
-        sampling.addSelectionListener(s);\r
-        GridDataFactory.fillDefaults().grab(true, false).span(2, 1).applyTo(sampling);\r
-\r
-        resampling = new Group(container, SWT.NONE);\r
-               resampling.setText("Resampling settings (not used with recorded samples)");\r
-        GridDataFactory.fillDefaults().grab(true, false).span(3, 1).applyTo(resampling);\r
-        GridLayoutFactory.swtDefaults().numColumns(3).applyTo(resampling);\r
-\r
-        new Label(resampling, SWT.NONE).setText("&Start time:");\r
-        startTime = new Text(resampling, SWT.BORDER);\r
-        startTime.addModifyListener(m);\r
-        GridDataFactory.fillDefaults().grab(true, false).applyTo(startTime);\r
-        new Label(resampling, SWT.NONE).setText(" seconds");\r
-\r
-        new Label(resampling, SWT.NONE).setText("&Time step:");\r
-        timeStep = new Text(resampling, SWT.BORDER);\r
-        timeStep.addModifyListener(m);\r
-        GridDataFactory.fillDefaults().grab(true, false).applyTo(timeStep);\r
-        new Label(resampling, SWT.NONE).setText(" seconds");\r
-        \r
-        new Label(resampling, SWT.NONE).setText("Sampling mode:");\r
-        samplingMode = new CCombo(resampling, SWT.READ_ONLY | SWT.BORDER);\r
-        samplingMode.add("Linear interpolation");\r
-        samplingMode.add("Previous sample");\r
-        samplingMode.select(0);\r
-        samplingMode.addSelectionListener(s);\r
-        GridDataFactory.fillDefaults().grab(true, false).span(2,1).applyTo(samplingMode);\r
-\r
-        Group digits = new Group(container, SWT.NONE);\r
-        digits.setText("Significant digits");\r
-        GridDataFactory.fillDefaults().grab(true, false).span(3, 1).applyTo(digits);\r
-        GridLayoutFactory.swtDefaults().numColumns(2).applyTo(digits);\r
-\r
-        new Label(digits, SWT.NONE).setText("&Time stamps:");\r
-        timeStamps = new Text(digits, SWT.BORDER);\r
-        timeStamps.addModifyListener(m);\r
-        GridDataFactory.fillDefaults().grab(true, false).applyTo(timeStamps);\r
-        \r
-        new Label(digits, SWT.NONE).setText("&Single precision floating point:");\r
-        singlePrecision = new Text(digits, SWT.BORDER);\r
-        singlePrecision.addModifyListener(m);\r
-        GridDataFactory.fillDefaults().grab(true, false).applyTo(singlePrecision);\r
-\r
-        new Label(digits, SWT.NONE).setText("&Double precision floating point:");\r
-        doublePrecision = new Text(digits, SWT.BORDER);\r
-        doublePrecision.addModifyListener(m);\r
-        GridDataFactory.fillDefaults().grab(true, false).applyTo(doublePrecision);\r
-\r
-        overwrite = new Button(container, SWT.CHECK);\r
-        overwrite.setText("&Overwrite existing files without warning");\r
-        overwrite.setSelection(exportModel.overwrite);\r
-        GridDataFactory.fillDefaults().grab(true, false).span(3, 1).applyTo(overwrite);\r
-        overwrite.addSelectionListener(new SelectionAdapter() {\r
-            @Override\r
-            public void widgetSelected(SelectionEvent e) {\r
-                validatePage();\r
-            }\r
-        });\r
-\r
-        try {\r
-            initializeData();\r
-        } catch (DatabaseException e) {\r
-            e.printStackTrace();\r
-        }\r
-\r
-        model.addSelectionListener(s);\r
-\r
-        scroller.setMinSize(container.computeSize(SWT.DEFAULT, SWT.DEFAULT));\r
-\r
-        setControl(scroller);\r
-        validatePage();\r
-        \r
-    }\r
-\r
-    void updateSelectAll(boolean checked, boolean gray, boolean notify) {\r
-        if (checked) {\r
-            selectAllItems.setText("Select None");\r
-        } else {\r
-            selectAllItems.setText("Select All");\r
-        }\r
-        if (!notify)\r
-            selectAllItems.removeSelectionListener(selectAllItemsListener);\r
-        selectAllItems.setGrayed(checked && gray);\r
-        selectAllItems.setSelection(checked);\r
-        if (!notify)\r
-            selectAllItems.addSelectionListener(selectAllItemsListener);\r
-    }\r
-\r
-    protected int countCheckedItems(Table table) {\r
-        int ret = 0;\r
-        for (TableItem item : table.getItems())\r
-            ret += item.getChecked() ? 1 : 0;\r
-        return ret;\r
-    }\r
-\r
-    private void initializeData() throws DatabaseException {\r
-\r
-        // Write preferences to formatter\r
-        IPreferenceStore csvnode = new ScopedPreferenceStore( InstanceScope.INSTANCE, CSVPreferences.P_NODE );\r
-        \r
-        Double startTime =  csvnode.getDouble(CSVPreferences.P_CSV_START_TIME);\r
-        Double timeStep =  csvnode.getDouble(CSVPreferences.P_CSV_TIME_STEP);\r
-        String decimalSeparator = csvnode.getString(CSVPreferences.P_CSV_DECIMAL_SEPARATOR);\r
-        String columnSeparator = StringEscapeUtils.unescape( csvnode.getString(CSVPreferences.P_CSV_COLUMN_SEPARATOR) );\r
-        Boolean resample = csvnode.getBoolean(CSVPreferences.P_CSV_RESAMPLE);\r
-        String samplingModePreference = csvnode.getString(CSVPreferences.P_CSV_SAMPLING_MODE);\r
-        int timeDigits = csvnode.getInt(CSVPreferences.P_CSV_TIME_DIGITS);\r
-        int floatDigits = csvnode.getInt(CSVPreferences.P_CSV_FLOAT_DIGITS);\r
-        int doubleDigits = csvnode.getInt(CSVPreferences.P_CSV_DOUBLE_DIGITS);\r
-        \r
-       initialSelection =  ISelectionUtils.getPossibleKeys(exportModel.selection, SelectionHints.KEY_MAIN, Resource.class);\r
-\r
-        models = exportModel.sessionContext.getSession().syncRequest(new UniqueRead<List<Pair<NamedResource,List<NamedResource>>>>() {\r
-\r
-                       @Override\r
-                       public List<Pair<NamedResource,List<NamedResource>>> perform(ReadGraph graph) throws DatabaseException {\r
-                               Layer0 L0 = Layer0.getInstance(graph);\r
-                               ModelingResources MOD = ModelingResources.getInstance(graph);\r
-                               List<Pair<NamedResource,List<NamedResource>>> result = new ArrayList<>();\r
-                               for(Resource model : graph.syncRequest(new org.simantics.db.layer0.request.ProjectModels(Simantics.getProjectResource()))) {\r
-                                       String name = graph.getPossibleRelatedValue(model, L0.HasName, Bindings.STRING);\r
-                                       if(name == null) continue;\r
-                                       name = NameLabelUtil.modalName(graph, model);\r
-                                       List<NamedResource> subs = new ArrayList<>();\r
-                                       for(Resource item : ModelingUtils.searchByType(graph, model, MOD.Subscription_Item)) {\r
-                                               String subscriptionLabel = null;\r
-                                               Resource subscription = graph.getPossibleObject(item, L0.PartOf);\r
-                                               if(subscription != null) {\r
-                                                       subscriptionLabel = graph.getPossibleRelatedValue(subscription, L0.HasLabel, Bindings.STRING);\r
-                                               }\r
-                                               SubscriptionItemLabelRule rule = new SubscriptionItemLabelRule();\r
-                                               Map<String,String> map = rule.getLabel(graph, item); \r
-                                               String label = map.get(ColumnKeys.SINGLE);\r
-                                               if(label == null) continue;\r
-                                               if(subscriptionLabel != null) label = subscriptionLabel + "/" + label;\r
-                                               subs.add(new NamedResource(label, item));\r
-                                       }\r
-                                       subs.sort((o1,o2) -> AlphanumComparator.CASE_INSENSITIVE_COMPARATOR.compare(o1.getName(), o2.getName()));\r
-                                       result.add(new Pair<>(new NamedResource(name, model), subs));\r
-                               }\r
-                               return result;\r
-                       }\r
-               \r
-        });\r
-        \r
-        Set<NamedResource> selected = exportModel.sessionContext.getSession().syncRequest(new UniqueRead<Set<NamedResource>>() {\r
-\r
-                       @Override\r
-                       public Set<NamedResource> perform(ReadGraph graph) throws DatabaseException {\r
-\r
-                               if(initialSelection == null) return Collections.emptySet();\r
-\r
-                               HashSet<NamedResource> result = new HashSet<>();\r
-                               \r
-                               for(Pair<NamedResource,List<NamedResource>> p : models) {\r
-                       for(NamedResource nr : p.second) {\r
-                               for(Resource i : initialSelection) {\r
-                                       if(graph.syncRequest(new IsParent(i, nr.getResource()))) result.add(nr);\r
-                               }\r
-                       }\r
-                               }\r
-                               return result;\r
-                       }\r
-               \r
-        });\r
\r
-\r
-        for(int i=0;i<models.size();i++) {\r
-               \r
-               Pair<NamedResource,List<NamedResource>> p = models.get(i);\r
-            model.add(p.first.getName());\r
-\r
-            boolean hasInitial = false;\r
-            for(NamedResource nr : p.second) {\r
-               if(selected.contains(nr)) hasInitial = true;\r
-            }\r
-            if(hasInitial) {\r
-               model.select(i);\r
-               item.removeAll();\r
-               exportModel.models.clear();\r
-               int index = 0;\r
-               int firstIndex = 0;\r
-               for(NamedResource nr : p.second) {\r
-                       TableItem ti = new TableItem(item, SWT.NONE);\r
-                       ti.setText(nr.getName());\r
-                       ti.setData(nr);\r
-                       if(selected.contains(nr)) {\r
-                               exportModel.models.add(nr);\r
-                               ti.setChecked(true);\r
-                               if(firstIndex == 0) firstIndex = index;\r
-                       }\r
-                       index++;\r
-               }\r
-               item.setTopIndex(firstIndex);\r
-               item.setData(p.first);\r
-            }\r
-            \r
-        }\r
-        \r
-        this.decimalSeparator.select(DecimalSeparator.fromPreference(decimalSeparator).ordinal());\r
-        this.columnSeparator.select(ColumnSeparator.fromPreference(columnSeparator).ordinal());\r
-        \r
-        if(resample) {\r
-               this.sampling.select(1);\r
-        } else {\r
-               this.sampling.select(0);\r
-        }\r
-        \r
-        this.samplingMode.select(ExportInterpolation.fromPreference(samplingModePreference).index());\r
-        \r
-        this.startTime.setText("" + startTime);\r
-        this.timeStep.setText("" + timeStep);\r
-        this.timeStamps.setText("" + timeDigits);\r
-        this.singlePrecision.setText("" + floatDigits);\r
-        this.doublePrecision.setText("" + doubleDigits);\r
-        \r
-        for (String path : exportModel.recentLocations) {\r
-            exportLocation.add(path);\r
-        }\r
-        if (exportLocation.getItemCount() > 0)\r
-            exportLocation.select(0);\r
-        \r
-    }\r
-\r
-    Integer validInteger(String s) {\r
-       try {\r
-               return Integer.parseInt(s);\r
-       } catch (NumberFormatException e) {\r
-               return null;\r
-       }\r
-    }\r
-\r
-    Double validDouble(String s) {\r
-       try {\r
-               return Double.parseDouble(s);\r
-       } catch (NumberFormatException e) {\r
-               return null;\r
-       }\r
-    }\r
-    \r
-    Pair<NamedResource,List<NamedResource>> getModel(String name) {\r
-       for(Pair<NamedResource,List<NamedResource>> data : models) {\r
-               if(data.first.getName().equals(name)) return data;\r
-       }\r
-       return null;\r
-    }\r
-    \r
-    void validatePage() {\r
-\r
-       boolean resample = sampling.getText().equals("Resampled"); \r
-       \r
-       if(resample) {\r
-               resampling.setText("Resampling settings");\r
-               timeStep.setEnabled(true);\r
-               startTime.setEnabled(true);\r
-               samplingMode.setEnabled(true);\r
-       } else {\r
-               resampling.setText("Resampling settings (not used with recorded samples)");\r
-               timeStep.setEnabled(false);\r
-               startTime.setEnabled(false);\r
-               samplingMode.setEnabled(false);\r
-       }\r
-       \r
-       String selectedModel = model.getText();\r
-       Pair<NamedResource,List<NamedResource>> p = getModel(selectedModel);\r
-       if(p != null) {\r
-               \r
-               HashSet<NamedResource> checked = new HashSet<>();\r
-               \r
-               NamedResource existing = (NamedResource)item.getData();\r
-               if(!p.first.equals(existing)) {\r
-               \r
-                       item.removeAll();\r
-                       for(NamedResource nr : p.second) {\r
-                               TableItem ti = new TableItem(item, SWT.NONE);\r
-                               ti.setText(nr.getName());\r
-                               ti.setData(nr);\r
-                       }\r
-                       item.setData(p.first);\r
-                       \r
-               }\r
-               \r
-               for(TableItem ti : item.getItems()) {\r
-                       if(ti.getChecked()) checked.add((NamedResource)ti.getData());\r
-               }\r
-               \r
-               exportModel.models = checked;\r
-               \r
-       }\r
-\r
-       Double validStartTime = validDouble(startTime.getText());\r
-       Double validStepSize = validDouble(timeStep.getText());\r
-\r
-       if(resample) {\r
-               \r
-            if(validStartTime == null) {\r
-                setErrorMessage("Start time must be a number.");\r
-                setPageComplete(false);\r
-                return;\r
-            }\r
-            \r
-            if(validStepSize == null) {\r
-                setErrorMessage("Step size must be a number.");\r
-                setPageComplete(false);\r
-                return;\r
-            }\r
-            if(validStepSize <= 0) {\r
-                setErrorMessage("Step size must be greater than 0.");\r
-                setPageComplete(false);\r
-                return;\r
-            }\r
-\r
-       } else {\r
-               \r
-               if(exportModel.models.size() > 1) {\r
-                setErrorMessage("Recorded samples can only be exported for a single subscription item.");\r
-                setPageComplete(false);\r
-                return;\r
-               }\r
-\r
-       }\r
-       \r
-       if(item.getItemCount() == 0) {\r
-            setErrorMessage("No subscription items in selected model.");\r
-            setPageComplete(false);\r
-            return;\r
-       }\r
-       \r
-        if (exportModel.models.isEmpty()) {\r
-            setErrorMessage("No items selected for export.");\r
-            setPageComplete(false);\r
-            return;\r
-        }\r
-        \r
-        String exportLoc = exportLocation.getText();\r
-        if (exportLoc.isEmpty()) {\r
-            setErrorMessage("Select output file.");\r
-            setPageComplete(false);\r
-            return;\r
-        }\r
-        File file = new File(exportLoc);\r
-        if (file.isDirectory()) {\r
-            setErrorMessage("The output file is a directory.");\r
-            setPageComplete(false);\r
-            return;\r
-        }\r
-        File parent = file.getParentFile();\r
-        if (parent == null || !parent.isDirectory()) {\r
-            setErrorMessage("The output directory does not exist.");\r
-            setPageComplete(false);\r
-            return;\r
-        }\r
-\r
-        exportModel.columnSeparator = ColumnSeparator.fromIndex(columnSeparator.getSelectionIndex());\r
-        exportModel.decimalSeparator = DecimalSeparator.fromIndex(decimalSeparator.getSelectionIndex());\r
-        if (exportModel.columnSeparator.preference.equals(exportModel.decimalSeparator.preference)) {\r
-            setErrorMessage("Decimal and column separator cannot be the same character.");\r
-            setPageComplete(false);\r
-            return;\r
-        }\r
-\r
-        Integer validTimeDigits = validInteger(timeStamps.getText());\r
-\r
-        if(validTimeDigits == null) {\r
-            setErrorMessage("Time stamps needs to be an integer number.");\r
-            setPageComplete(false);\r
-            return;\r
-        }\r
-\r
-        Integer validSinglePrecision = validInteger(singlePrecision.getText());\r
-        if(validSinglePrecision == null) {\r
-            setErrorMessage("Single precision needs to be an integer number.");\r
-            setPageComplete(false);\r
-            return;\r
-        }\r
-\r
-        Integer validDoublePrecision = validInteger(doublePrecision.getText());\r
-        if(validDoublePrecision == null) {\r
-            setErrorMessage("Double precision needs to be an integer number.");\r
-            setPageComplete(false);\r
-            return;\r
-        }\r
-\r
-        exportModel.exportLocation = file;\r
-        exportModel.overwrite = overwrite.getSelection();\r
-\r
-        exportModel.startTime = validStartTime;\r
-        exportModel.timeStep = validStepSize;\r
-\r
-        exportModel.resample = sampling.getSelectionIndex() == 1;\r
-        exportModel.samplingMode = ExportInterpolation.fromIndex(samplingMode.getSelectionIndex());\r
-        \r
-        exportModel.timeDigits = validTimeDigits;\r
-        exportModel.floatDigits = validSinglePrecision;\r
-        exportModel.doubleDigits = validDoublePrecision;\r
-        \r
-        setErrorMessage(null);\r
-        setMessage("Press Finish to export subscription data.");\r
-        setPageComplete(true);\r
-        \r
-    }\r
-\r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2012 Association for Decentralized Information Management in
+ * Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.charts.ui;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import org.eclipse.core.runtime.preferences.InstanceScope;
+import org.eclipse.jface.layout.GridDataFactory;
+import org.eclipse.jface.layout.GridLayoutFactory;
+import org.eclipse.jface.preference.IPreferenceStore;
+import org.eclipse.jface.wizard.WizardPage;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.custom.CCombo;
+import org.eclipse.swt.custom.ScrolledComposite;
+import org.eclipse.swt.events.ModifyListener;
+import org.eclipse.swt.events.SelectionAdapter;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.events.SelectionListener;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.FileDialog;
+import org.eclipse.swt.widgets.Group;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.Table;
+import org.eclipse.swt.widgets.TableItem;
+import org.eclipse.swt.widgets.Text;
+import org.eclipse.ui.preferences.ScopedPreferenceStore;
+import org.simantics.NameLabelUtil;
+import org.simantics.Simantics;
+import org.simantics.browsing.ui.common.ColumnKeys;
+import org.simantics.databoard.Bindings;
+import org.simantics.databoard.parser.StringEscapeUtils;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.NamedResource;
+import org.simantics.db.common.request.IsParent;
+import org.simantics.db.common.request.UniqueRead;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.SelectionHints;
+import org.simantics.history.csv.ColumnSeparator;
+import org.simantics.history.csv.DecimalSeparator;
+import org.simantics.history.csv.ExportInterpolation;
+import org.simantics.layer0.Layer0;
+import org.simantics.modeling.ModelingResources;
+import org.simantics.modeling.ModelingUtils;
+import org.simantics.modeling.preferences.CSVPreferences;
+import org.simantics.modeling.ui.modelBrowser2.label.SubscriptionItemLabelRule;
+import org.simantics.utils.datastructures.Arrays;
+import org.simantics.utils.datastructures.Pair;
+import org.simantics.utils.strings.AlphanumComparator;
+import org.simantics.utils.ui.ISelectionUtils;
+
+
+/**
+ * @author Antti Villberg
+ */
+public class CSVExportPage extends WizardPage {
+
+    CSVExportPlan       exportModel;
+    CCombo              model;
+    Table               item;
+    Button              selectAllItems;
+    SelectionAdapter    selectAllItemsListener;
+    CCombo              exportLocation;
+
+    CCombo decimalSeparator;
+    CCombo columnSeparator;
+    CCombo sampling;
+    Text timeStep;
+    Text startTime;
+    Text timeStamps;
+    CCombo samplingMode;
+    Text singlePrecision;
+    Text doublePrecision;
+
+    Group resampling;
+
+    Collection<Resource> initialSelection;
+
+    List<Pair<NamedResource,List<NamedResource>>> models = new ArrayList<>();
+
+    private Button      overwrite;
+
+    ModifyListener m = (e) -> validatePage();
+
+    SelectionListener s = new SelectionAdapter() {
+        @Override
+        public void widgetSelected(SelectionEvent e) {
+            validatePage();
+        }
+    };
+
+    protected CSVExportPage(CSVExportPlan model) {
+        super("Export CSV Data", "Define Export Properties", null);
+        this.exportModel = model;
+    }
+
+    @Override
+    public void createControl(Composite parent) {
+        ScrolledComposite scroller = new ScrolledComposite(parent, SWT.V_SCROLL);
+        scroller.setExpandHorizontal(true);
+        scroller.setExpandVertical(true);
+
+        Composite container = new Composite(scroller, SWT.NONE);
+        scroller.setContent(container);
+        GridLayoutFactory.swtDefaults().spacing(20, 10).numColumns(3).applyTo(container);
+        new Label(container, SWT.NONE).setText("Select a model:");
+        model = new CCombo(container, SWT.BORDER);
+        {
+            model.setEditable(false);
+            model.setText("");
+            model.setToolTipText("Selects the Model To Export From");
+            GridDataFactory.fillDefaults().grab(true, false).span(2, 1).applyTo(model);
+        }
+
+        new Label(container, SWT.NONE).setText("Exported items:");
+        item = new Table(container, SWT.BORDER | SWT.MULTI | SWT.FULL_SELECTION | SWT.CHECK);
+        {
+            item.setToolTipText("Selects the Subscription Items");
+            GridDataFactory.fillDefaults().grab(true, true).span(2, 1).hint(SWT.DEFAULT, 105).applyTo(item);
+        }
+        item.addSelectionListener(new SelectionAdapter() {
+            @Override
+            public void widgetSelected(SelectionEvent e) {
+                if (e.detail == SWT.CHECK) {
+                    TableItem[] selected = item.getSelection();
+                    TableItem it = (TableItem) e.item;
+                    boolean checkedWasSelected = Arrays.contains(selected, it);
+                    if (checkedWasSelected) {
+                        boolean check = it.getChecked();
+                        for (TableItem i : selected)
+                            i.setChecked(check);
+                    }
+                    int checked = countCheckedItems(item);
+                    int totalItems = item.getItemCount();
+                    updateSelectAll(checked > 0, checked < totalItems, false);
+                    validatePage();
+                }
+            }
+        });
+        new Label(container, 0);
+        selectAllItems = new Button(container, SWT.CHECK);
+        {
+            selectAllItems.setText("&Select All");
+            selectAllItems.setToolTipText("Select/Deselect All Listed Subscription Items");
+            GridDataFactory.fillDefaults().grab(true, false).span(2, 1).applyTo(selectAllItems);
+        }
+        selectAllItemsListener = new SelectionAdapter() {
+            @Override
+            public void widgetSelected(SelectionEvent e) {
+                boolean select = selectAllItems.getSelection();
+                updateSelectAll(select, false, false);
+                item.setRedraw(false);
+                for (TableItem it : item.getItems())
+                    it.setChecked(select);
+                item.setRedraw(true);
+
+                validatePage();
+            }
+        };
+        selectAllItems.addSelectionListener(selectAllItemsListener);
+
+        new Label(container, SWT.NONE).setText("&Output file:");
+        exportLocation = new CCombo(container, SWT.BORDER);
+        {
+            exportLocation.setText("");
+            GridDataFactory.fillDefaults().grab(true, false).span(1, 1).applyTo(exportLocation);
+            exportLocation.addModifyListener(m);
+        }
+        Button browseFileButton = new Button(container, SWT.PUSH);
+        {
+            browseFileButton.setText("Browse...");
+            browseFileButton.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false));
+            browseFileButton.addSelectionListener(new SelectionAdapter() {
+                @Override
+                public void widgetSelected(SelectionEvent e) {
+                    FileDialog dialog = new FileDialog(getShell(), SWT.SAVE);
+                    dialog.setText("Choose Output File");
+                    dialog.setFilterPath(new File(exportLocation.getText()).getParent());
+                    dialog.setFilterExtensions(new String[] { "*.csv" });
+                    dialog.setFilterNames(new String[] { "Comma separated values (*.csv)" });
+                    dialog.setOverwrite(false);
+                    String file = dialog.open();
+                    if (file == null)
+                        return;
+                    exportLocation.setText(file);
+                    validatePage();
+                }
+            });
+        }
+
+        
+        Label horizRule = new Label(container, SWT.BORDER);
+        GridDataFactory.fillDefaults().hint(SWT.DEFAULT, 0).grab(true, false).span(3, 1).applyTo(horizRule);
+
+        new Label(container, SWT.NONE).setText("&Decimal separator:");
+        decimalSeparator = new CCombo(container, SWT.READ_ONLY | SWT.BORDER);
+        for(DecimalSeparator s : DecimalSeparator.values())
+            decimalSeparator.add(s.label);
+        decimalSeparator.select(0);
+        decimalSeparator.addSelectionListener(s);
+        GridDataFactory.fillDefaults().grab(true, false).span(2, 1).applyTo(decimalSeparator);
+
+        new Label(container, SWT.NONE).setText("&Column separator:");
+        columnSeparator = new CCombo(container, SWT.READ_ONLY | SWT.BORDER);
+        for(ColumnSeparator s : ColumnSeparator.values())
+            columnSeparator.add(s.label);
+        columnSeparator.select(0);
+        columnSeparator.addSelectionListener(s);
+        GridDataFactory.fillDefaults().grab(true, false).span(2, 1).applyTo(columnSeparator);
+
+        new Label(container, SWT.NONE).setText("Sampling:");
+        sampling = new CCombo(container, SWT.READ_ONLY | SWT.BORDER);
+        sampling.add("Recorded samples");
+        sampling.add("Resampled");
+        sampling.select(0);
+        sampling.addSelectionListener(s);
+        GridDataFactory.fillDefaults().grab(true, false).span(2, 1).applyTo(sampling);
+
+        resampling = new Group(container, SWT.NONE);
+               resampling.setText("Resampling settings (not used with recorded samples)");
+        GridDataFactory.fillDefaults().grab(true, false).span(3, 1).applyTo(resampling);
+        GridLayoutFactory.swtDefaults().numColumns(3).applyTo(resampling);
+
+        new Label(resampling, SWT.NONE).setText("&Start time:");
+        startTime = new Text(resampling, SWT.BORDER);
+        startTime.addModifyListener(m);
+        GridDataFactory.fillDefaults().grab(true, false).applyTo(startTime);
+        new Label(resampling, SWT.NONE).setText(" seconds");
+
+        new Label(resampling, SWT.NONE).setText("&Time step:");
+        timeStep = new Text(resampling, SWT.BORDER);
+        timeStep.addModifyListener(m);
+        GridDataFactory.fillDefaults().grab(true, false).applyTo(timeStep);
+        new Label(resampling, SWT.NONE).setText(" seconds");
+        
+        new Label(resampling, SWT.NONE).setText("Sampling mode:");
+        samplingMode = new CCombo(resampling, SWT.READ_ONLY | SWT.BORDER);
+        samplingMode.add("Linear interpolation");
+        samplingMode.add("Previous sample");
+        samplingMode.select(0);
+        samplingMode.addSelectionListener(s);
+        GridDataFactory.fillDefaults().grab(true, false).span(2,1).applyTo(samplingMode);
+
+        Group digits = new Group(container, SWT.NONE);
+        digits.setText("Significant digits");
+        GridDataFactory.fillDefaults().grab(true, false).span(3, 1).applyTo(digits);
+        GridLayoutFactory.swtDefaults().numColumns(2).applyTo(digits);
+
+        new Label(digits, SWT.NONE).setText("&Time stamps:");
+        timeStamps = new Text(digits, SWT.BORDER);
+        timeStamps.addModifyListener(m);
+        GridDataFactory.fillDefaults().grab(true, false).applyTo(timeStamps);
+        
+        new Label(digits, SWT.NONE).setText("&Single precision floating point:");
+        singlePrecision = new Text(digits, SWT.BORDER);
+        singlePrecision.addModifyListener(m);
+        GridDataFactory.fillDefaults().grab(true, false).applyTo(singlePrecision);
+
+        new Label(digits, SWT.NONE).setText("&Double precision floating point:");
+        doublePrecision = new Text(digits, SWT.BORDER);
+        doublePrecision.addModifyListener(m);
+        GridDataFactory.fillDefaults().grab(true, false).applyTo(doublePrecision);
+
+        overwrite = new Button(container, SWT.CHECK);
+        overwrite.setText("&Overwrite existing files without warning");
+        overwrite.setSelection(exportModel.overwrite);
+        GridDataFactory.fillDefaults().grab(true, false).span(3, 1).applyTo(overwrite);
+        overwrite.addSelectionListener(new SelectionAdapter() {
+            @Override
+            public void widgetSelected(SelectionEvent e) {
+                validatePage();
+            }
+        });
+
+        try {
+            initializeData();
+        } catch (DatabaseException e) {
+            e.printStackTrace();
+        }
+
+        model.addSelectionListener(s);
+
+        scroller.setMinSize(container.computeSize(SWT.DEFAULT, SWT.DEFAULT));
+
+        setControl(scroller);
+        validatePage();
+        
+    }
+
+    void updateSelectAll(boolean checked, boolean gray, boolean notify) {
+        if (checked) {
+            selectAllItems.setText("Select None");
+        } else {
+            selectAllItems.setText("Select All");
+        }
+        if (!notify)
+            selectAllItems.removeSelectionListener(selectAllItemsListener);
+        selectAllItems.setGrayed(checked && gray);
+        selectAllItems.setSelection(checked);
+        if (!notify)
+            selectAllItems.addSelectionListener(selectAllItemsListener);
+    }
+
+    protected int countCheckedItems(Table table) {
+        int ret = 0;
+        for (TableItem item : table.getItems())
+            ret += item.getChecked() ? 1 : 0;
+        return ret;
+    }
+
+    private void initializeData() throws DatabaseException {
+
+        // Write preferences to formatter
+        IPreferenceStore csvnode = new ScopedPreferenceStore( InstanceScope.INSTANCE, CSVPreferences.P_NODE );
+        
+        Double startTime =  csvnode.getDouble(CSVPreferences.P_CSV_START_TIME);
+        Double timeStep =  csvnode.getDouble(CSVPreferences.P_CSV_TIME_STEP);
+        String decimalSeparator = csvnode.getString(CSVPreferences.P_CSV_DECIMAL_SEPARATOR);
+        String columnSeparator = StringEscapeUtils.unescape( csvnode.getString(CSVPreferences.P_CSV_COLUMN_SEPARATOR) );
+        Boolean resample = csvnode.getBoolean(CSVPreferences.P_CSV_RESAMPLE);
+        String samplingModePreference = csvnode.getString(CSVPreferences.P_CSV_SAMPLING_MODE);
+        int timeDigits = csvnode.getInt(CSVPreferences.P_CSV_TIME_DIGITS);
+        int floatDigits = csvnode.getInt(CSVPreferences.P_CSV_FLOAT_DIGITS);
+        int doubleDigits = csvnode.getInt(CSVPreferences.P_CSV_DOUBLE_DIGITS);
+        
+       initialSelection =  ISelectionUtils.getPossibleKeys(exportModel.selection, SelectionHints.KEY_MAIN, Resource.class);
+
+        models = exportModel.sessionContext.getSession().syncRequest(new UniqueRead<List<Pair<NamedResource,List<NamedResource>>>>() {
+
+                       @Override
+                       public List<Pair<NamedResource,List<NamedResource>>> perform(ReadGraph graph) throws DatabaseException {
+                               Layer0 L0 = Layer0.getInstance(graph);
+                               ModelingResources MOD = ModelingResources.getInstance(graph);
+                               List<Pair<NamedResource,List<NamedResource>>> result = new ArrayList<>();
+                               for(Resource model : graph.syncRequest(new org.simantics.db.layer0.request.ProjectModels(Simantics.getProjectResource()))) {
+                                       String name = graph.getPossibleRelatedValue(model, L0.HasName, Bindings.STRING);
+                                       if(name == null) continue;
+                                       name = NameLabelUtil.modalName(graph, model);
+                                       List<NamedResource> subs = new ArrayList<>();
+                                       for(Resource item : ModelingUtils.searchByType(graph, model, MOD.Subscription_Item)) {
+                                               String subscriptionLabel = null;
+                                               Resource subscription = graph.getPossibleObject(item, L0.PartOf);
+                                               if(subscription != null) {
+                                                       subscriptionLabel = graph.getPossibleRelatedValue(subscription, L0.HasLabel, Bindings.STRING);
+                                               }
+                                               SubscriptionItemLabelRule rule = new SubscriptionItemLabelRule();
+                                               Map<String,String> map = rule.getLabel(graph, item); 
+                                               String label = map.get(ColumnKeys.SINGLE);
+                                               if(label == null) continue;
+                                               if(subscriptionLabel != null) label = subscriptionLabel + "/" + label;
+                                               subs.add(new NamedResource(label, item));
+                                       }
+                                       subs.sort((o1,o2) -> AlphanumComparator.CASE_INSENSITIVE_COMPARATOR.compare(o1.getName(), o2.getName()));
+                                       result.add(new Pair<>(new NamedResource(name, model), subs));
+                               }
+                               return result;
+                       }
+               
+        });
+        
+        Set<NamedResource> selected = exportModel.sessionContext.getSession().syncRequest(new UniqueRead<Set<NamedResource>>() {
+
+                       @Override
+                       public Set<NamedResource> perform(ReadGraph graph) throws DatabaseException {
+
+                               if(initialSelection == null) return Collections.emptySet();
+
+                               HashSet<NamedResource> result = new HashSet<>();
+                               
+                               for(Pair<NamedResource,List<NamedResource>> p : models) {
+                       for(NamedResource nr : p.second) {
+                               for(Resource i : initialSelection) {
+                                       if(graph.syncRequest(new IsParent(i, nr.getResource()))) result.add(nr);
+                               }
+                       }
+                               }
+                               return result;
+                       }
+               
+        });
+
+        for(int i=0;i<models.size();i++) {
+               
+               Pair<NamedResource,List<NamedResource>> p = models.get(i);
+            model.add(p.first.getName());
+
+            boolean hasInitial = false;
+            for(NamedResource nr : p.second) {
+               if(selected.contains(nr)) hasInitial = true;
+            }
+            if(hasInitial) {
+               model.select(i);
+               item.removeAll();
+               exportModel.models.clear();
+               int index = 0;
+               int firstIndex = 0;
+               for(NamedResource nr : p.second) {
+                       TableItem ti = new TableItem(item, SWT.NONE);
+                       ti.setText(nr.getName());
+                       ti.setData(nr);
+                       if(selected.contains(nr)) {
+                               exportModel.models.add(nr);
+                               ti.setChecked(true);
+                               if(firstIndex == 0) firstIndex = index;
+                       }
+                       index++;
+               }
+               item.setTopIndex(firstIndex);
+               item.setData(p.first);
+            }
+            
+        }
+        
+        this.decimalSeparator.select(DecimalSeparator.fromPreference(decimalSeparator).ordinal());
+        this.columnSeparator.select(ColumnSeparator.fromPreference(columnSeparator).ordinal());
+        
+        if(resample) {
+               this.sampling.select(1);
+        } else {
+               this.sampling.select(0);
+        }
+        
+        this.samplingMode.select(ExportInterpolation.fromPreference(samplingModePreference).index());
+        
+        this.startTime.setText("" + startTime);
+        this.timeStep.setText("" + timeStep);
+        this.timeStamps.setText("" + timeDigits);
+        this.singlePrecision.setText("" + floatDigits);
+        this.doublePrecision.setText("" + doubleDigits);
+        
+        for (String path : exportModel.recentLocations) {
+            exportLocation.add(path);
+        }
+        if (exportLocation.getItemCount() > 0)
+            exportLocation.select(0);
+        
+    }
+
+    Integer validInteger(String s) {
+       try {
+               return Integer.parseInt(s);
+       } catch (NumberFormatException e) {
+               return null;
+       }
+    }
+
+    Double validDouble(String s) {
+       try {
+               return Double.parseDouble(s);
+       } catch (NumberFormatException e) {
+               return null;
+       }
+    }
+    
+    Pair<NamedResource,List<NamedResource>> getModel(String name) {
+       for(Pair<NamedResource,List<NamedResource>> data : models) {
+               if(data.first.getName().equals(name)) return data;
+       }
+       return null;
+    }
+    
+    void validatePage() {
+
+       boolean resample = sampling.getText().equals("Resampled"); 
+       
+       if(resample) {
+               resampling.setText("Resampling settings");
+               timeStep.setEnabled(true);
+               startTime.setEnabled(true);
+               samplingMode.setEnabled(true);
+       } else {
+               resampling.setText("Resampling settings (not used with recorded samples)");
+               timeStep.setEnabled(false);
+               startTime.setEnabled(false);
+               samplingMode.setEnabled(false);
+       }
+       
+       String selectedModel = model.getText();
+       Pair<NamedResource,List<NamedResource>> p = getModel(selectedModel);
+       if(p != null) {
+               
+               HashSet<NamedResource> checked = new HashSet<>();
+               
+               NamedResource existing = (NamedResource)item.getData();
+               if(!p.first.equals(existing)) {
+               
+                       item.removeAll();
+                       for(NamedResource nr : p.second) {
+                               TableItem ti = new TableItem(item, SWT.NONE);
+                               ti.setText(nr.getName());
+                               ti.setData(nr);
+                       }
+                       item.setData(p.first);
+                       
+               }
+               
+               for(TableItem ti : item.getItems()) {
+                       if(ti.getChecked()) checked.add((NamedResource)ti.getData());
+               }
+               
+               exportModel.models = checked;
+               
+       }
+
+       Double validStartTime = validDouble(startTime.getText());
+       Double validStepSize = validDouble(timeStep.getText());
+
+       if(resample) {
+               
+            if(validStartTime == null) {
+                setErrorMessage("Start time must be a number.");
+                setPageComplete(false);
+                return;
+            }
+            
+            if(validStepSize == null) {
+                setErrorMessage("Step size must be a number.");
+                setPageComplete(false);
+                return;
+            }
+            if(validStepSize <= 0) {
+                setErrorMessage("Step size must be greater than 0.");
+                setPageComplete(false);
+                return;
+            }
+
+       } else {
+               
+               if(exportModel.models.size() > 1) {
+                setErrorMessage("Recorded samples can only be exported for a single subscription item.");
+                setPageComplete(false);
+                return;
+               }
+
+       }
+       
+       if(item.getItemCount() == 0) {
+            setErrorMessage("No subscription items in selected model.");
+            setPageComplete(false);
+            return;
+       }
+       
+        if (exportModel.models.isEmpty()) {
+            setErrorMessage("No items selected for export.");
+            setPageComplete(false);
+            return;
+        }
+        
+        String exportLoc = exportLocation.getText();
+        if (exportLoc.isEmpty()) {
+            setErrorMessage("Select output file.");
+            setPageComplete(false);
+            return;
+        }
+        File file = new File(exportLoc);
+        if (file.isDirectory()) {
+            setErrorMessage("The output file is a directory.");
+            setPageComplete(false);
+            return;
+        }
+        File parent = file.getParentFile();
+        if (parent == null || !parent.isDirectory()) {
+            setErrorMessage("The output directory does not exist.");
+            setPageComplete(false);
+            return;
+        }
+
+        exportModel.columnSeparator = ColumnSeparator.fromIndex(columnSeparator.getSelectionIndex());
+        exportModel.decimalSeparator = DecimalSeparator.fromIndex(decimalSeparator.getSelectionIndex());
+        if (exportModel.columnSeparator.preference.equals(exportModel.decimalSeparator.preference)) {
+            setErrorMessage("Decimal and column separator cannot be the same character.");
+            setPageComplete(false);
+            return;
+        }
+
+        Integer validTimeDigits = validInteger(timeStamps.getText());
+
+        if(validTimeDigits == null) {
+            setErrorMessage("Time stamps needs to be an integer number.");
+            setPageComplete(false);
+            return;
+        }
+
+        Integer validSinglePrecision = validInteger(singlePrecision.getText());
+        if(validSinglePrecision == null) {
+            setErrorMessage("Single precision needs to be an integer number.");
+            setPageComplete(false);
+            return;
+        }
+
+        Integer validDoublePrecision = validInteger(doublePrecision.getText());
+        if(validDoublePrecision == null) {
+            setErrorMessage("Double precision needs to be an integer number.");
+            setPageComplete(false);
+            return;
+        }
+
+        exportModel.exportLocation = file;
+        exportModel.overwrite = overwrite.getSelection();
+
+        exportModel.startTime = validStartTime;
+        exportModel.timeStep = validStepSize;
+
+        exportModel.resample = sampling.getSelectionIndex() == 1;
+        exportModel.samplingMode = ExportInterpolation.fromIndex(samplingMode.getSelectionIndex());
+        
+        exportModel.timeDigits = validTimeDigits;
+        exportModel.floatDigits = validSinglePrecision;
+        exportModel.doubleDigits = validDoublePrecision;
+        
+        setErrorMessage(null);
+        setMessage("Press Finish to export subscription data.");
+        setPageComplete(true);
+        
+    }
+
+}