bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/preferences/CSVPreferencePage.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2012 Association for Decentralized Information Management in
   3  * Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.modeling.ui.preferences;
  13
  14 import org.eclipse.core.runtime.preferences.InstanceScope;
  15 import org.eclipse.jface.layout.GridDataFactory;
  16 import org.eclipse.jface.layout.GridLayoutFactory;
  17 import org.eclipse.jface.preference.BooleanFieldEditor;
  18 import org.eclipse.jface.preference.ComboFieldEditor;
  19 import org.eclipse.jface.preference.FieldEditor;
  20 import org.eclipse.jface.preference.FieldEditorPreferencePage;
  21 import org.eclipse.jface.preference.IPreferenceStore;
  22 import org.eclipse.jface.preference.IntegerFieldEditor;
  23 import org.eclipse.jface.preference.StringFieldEditor;
  24 import org.eclipse.jface.util.PropertyChangeEvent;
  25 import org.eclipse.swt.SWT;
  26 import org.eclipse.swt.widgets.Composite;
  27 import org.eclipse.swt.widgets.Group;
  28 import org.eclipse.ui.IWorkbench;
  29 import org.eclipse.ui.IWorkbenchPreferencePage;
  30 import org.eclipse.ui.preferences.ScopedPreferenceStore;
  31 import org.simantics.history.csv.ColumnSeparator;
  32 import org.simantics.history.csv.DecimalSeparator;
  33 import org.simantics.history.csv.ExportInterpolation;
  34 import org.simantics.modeling.preferences.CSVPreferences;
  35
  36 public class CSVPreferencePage extends FieldEditorPreferencePage implements IWorkbenchPreferencePage {
  37
  38     private ComboFieldEditor fDecimalSeparatorEditor = null;
  39     private ComboFieldEditor fColumnSeparatorEditor = null;
  40     private StringFieldEditor fExtensionEditor = null;
  41     private BooleanFieldEditor fResamplingEditor = null;
  42     private ComboFieldEditor fSamplingModeEditor = null;
  43     private StringFieldEditor fStartEditor = null;
  44     private StringFieldEditor fStepEditor = null;
  45     private IntegerFieldEditor fTimeDigitsEditor = null;
  46     private IntegerFieldEditor fFloatDigitsEditor = null;
  47     private IntegerFieldEditor fDoubleDigitsEditor = null;
  48
  49     private String decimalSeparatorValue;
  50     private String columnSeparatorValue;
  51
  52     public CSVPreferencePage() {
  53         super(GRID);
  54         setDescription("CSV import and export preferences");
  55         IPreferenceStore pf = new ScopedPreferenceStore(InstanceScope.INSTANCE, CSVPreferences.P_NODE);
  56         setPreferenceStore( pf );
  57     }
  58
  59     @Override
  60     public void createControl(Composite parent) {
  61         super.createControl(parent);
  62     }
  63
  64     @Override
  65         public void init(IWorkbench workbench) {
  66         }
  67
  68     @Override
  69     protected void initialize() {
  70         super.initialize();
  71
  72         if (decimalSeparatorValue.equals(columnSeparatorValue)) {
  73             setErrorMessage("Column and decimal separators must not be the same.");
  74             checkState();
  75             updateApplyButton();
  76         }
  77     }
  78
  79         @Override
  80         protected void createFieldEditors() {
  81             decimalSeparatorValue = getPreferenceStore().getString(CSVPreferences.P_CSV_DECIMAL_SEPARATOR);
  82             columnSeparatorValue = getPreferenceStore().getString(CSVPreferences.P_CSV_COLUMN_SEPARATOR);
  83
  84             String[][] decimalSeparators = new String[DecimalSeparator.values().length][];
  85             int i = 0;
  86             for (DecimalSeparator ds : DecimalSeparator.values())
  87                 decimalSeparators[i++] = new String[] { ds.label, ds.preference };
  88             String[][] columnSeparators = new String[ColumnSeparator.values().length][];
  89             i = 0;
  90             for (ColumnSeparator cs : ColumnSeparator.values())
  91                 columnSeparators[i++] = new String[] { cs.label, cs.preference };
  92
  93             fDecimalSeparatorEditor = new ComboFieldEditor(CSVPreferences.P_CSV_DECIMAL_SEPARATOR, "Decimal separator", decimalSeparators, getFieldEditorParent()) {
  94                 @Override
  95                 public boolean isValid() {
  96                     return !decimalSeparatorValue.equals(columnSeparatorValue);
  97                 }
  98             };
  99             addField(fDecimalSeparatorEditor);
 100
 101             fColumnSeparatorEditor = new ComboFieldEditor(CSVPreferences.P_CSV_COLUMN_SEPARATOR, "Column separator", columnSeparators, getFieldEditorParent()) {
 102             @Override
 103             public boolean isValid() {
 104                 return !decimalSeparatorValue.equals(columnSeparatorValue);
 105             }
 106         };
 107
 108             addField(fColumnSeparatorEditor);
 109
 110             fExtensionEditor = new StringFieldEditor(CSVPreferences.P_CSV_FILE_EXTENSION, "File extension", getFieldEditorParent());
 111             addField(fExtensionEditor);
 112
 113             fResamplingEditor = new BooleanFieldEditor(CSVPreferences.P_CSV_RESAMPLE, "Resampling", getFieldEditorParent());
 114             addField(fResamplingEditor);
 115
 116             fSamplingModeEditor = new ComboFieldEditor(CSVPreferences.P_CSV_SAMPLING_MODE, "Sampling mode",
 117                     new String[][] {
 118                         {ExportInterpolation.LINEAR_INTERPOLATION.label, ExportInterpolation.LINEAR_INTERPOLATION.preference},
 119                         {ExportInterpolation.PREVIOUS_SAMPLE.label, ExportInterpolation.PREVIOUS_SAMPLE.preference},
 120                         }, getFieldEditorParent());
 121             addField(fSamplingModeEditor);
 122
 123             fStartEditor = new StringFieldEditor(CSVPreferences.P_CSV_START_TIME, "Start time (s)", getFieldEditorParent()) {
 124                 protected boolean doCheckState() {
 125                     String text = getTextControl().getText();
 126                     if (text == null || text.isEmpty()) {
 127                         return true;
 128                     }
 129                     try {
 130                         double number = Double.parseDouble(text);
 131                         return number>0;
 132                     } catch (NumberFormatException e1) {
 133                         return false;
 134                     }
 135                 };
 136             };
 137             fStartEditor.setEmptyStringAllowed(true);
 138             fStartEditor.setErrorMessage("Enter valid start time value (s)");
 139
 140             fStepEditor = new StringFieldEditor(CSVPreferences.P_CSV_TIME_STEP, "Step size (s)", getFieldEditorParent()) {
 141                 protected boolean doCheckState() {
 142                     String text = getTextControl().getText();
 143                     if (text == null || text.isEmpty()) {
 144                         return true;
 145                     }
 146                     try {
 147                         double number = Double.parseDouble(text);
 148                         return number>0;
 149                     } catch (NumberFormatException e1) {
 150                         return false;
 151                     }
 152                 };
 153             };
 154             fStepEditor.setEmptyStringAllowed(true);
 155             fStepEditor.setErrorMessage("Enter valid time step value (s)");
 156             addField(fStepEditor);
 157
 158             Group significantDigitsGroup = new Group(getFieldEditorParent(), SWT.NONE);
 159             significantDigitsGroup.setText("Significant digits");
 160             significantDigitsGroup.setToolTipText("Control the Amount of Significant Digits in Exported Numbers");
 161             GridDataFactory.fillDefaults().indent(0, 5).span(2, 1).applyTo(significantDigitsGroup);
 162
 163             fTimeDigitsEditor = new IntegerFieldEditor(CSVPreferences.P_CSV_TIME_DIGITS, "Time stamps", significantDigitsGroup, 2);
 164             fTimeDigitsEditor.setValidRange(1, 15);
 165             addField(fTimeDigitsEditor);
 166             fFloatDigitsEditor = new IntegerFieldEditor(CSVPreferences.P_CSV_FLOAT_DIGITS, "Single precision floating point", significantDigitsGroup, 1);
 167             fFloatDigitsEditor.setValidRange(1, 7);
 168             addField(fFloatDigitsEditor);
 169             fDoubleDigitsEditor = new IntegerFieldEditor(CSVPreferences.P_CSV_DOUBLE_DIGITS, "Double precision floating point", significantDigitsGroup, 2);
 170             fDoubleDigitsEditor.setValidRange(1, 15);
 171             addField(fDoubleDigitsEditor);
 172
 173             GridLayoutFactory.swtDefaults().numColumns(2).applyTo(significantDigitsGroup);
 174         }
 175
 176     /**
 177      * @see org.eclipse.jface.util.IPropertyChangeListener#propertyChange(org.eclipse.jface.util.PropertyChangeEvent)
 178      */
 179     @Override
 180     public void propertyChange(PropertyChangeEvent event) {
 181         if (event.getProperty().equals(FieldEditor.VALUE)) {
 182             Object source = event.getSource();
 183             boolean validate = false;
 184             if (source == fDecimalSeparatorEditor) {
 185                 decimalSeparatorValue = (String) event.getNewValue();
 186                 validate = true;
 187             } else if (source == fColumnSeparatorEditor) {
 188                 columnSeparatorValue = (String) event.getNewValue();
 189                 validate = true;
 190             }
 191             if (validate) {
 192                 if (decimalSeparatorValue.equals(columnSeparatorValue)) {
 193                     setErrorMessage("Column and decimal separators must not be the same.");
 194                 } else {
 195                     setErrorMessage(null);
 196                 }
 197                 checkState();
 198                 updateApplyButton();
 199             }
 200         }
 201         super.propertyChange(event);
 202     }
 203
 204 }