1 /*******************************************************************************
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2 * Copyright (c) 2011 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.editor;
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14 import java.awt.Toolkit;
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15 import java.awt.datatransfer.Clipboard;
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16 import java.awt.datatransfer.StringSelection;
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17 import java.io.BufferedWriter;
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18 import java.io.File;
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19 import java.io.FileOutputStream;
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20 import java.io.IOException;
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21 import java.io.OutputStreamWriter;
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22 import java.lang.reflect.InvocationTargetException;
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23 import java.nio.charset.Charset;
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24 import java.util.Collections;
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25 import java.util.List;
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26 import java.util.concurrent.atomic.AtomicBoolean;
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28 import org.eclipse.core.commands.AbstractHandler;
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29 import org.eclipse.core.commands.ExecutionEvent;
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30 import org.eclipse.core.commands.ExecutionException;
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31 import org.eclipse.core.runtime.IProgressMonitor;
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32 import org.eclipse.core.runtime.preferences.InstanceScope;
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33 import org.eclipse.jface.action.IStatusLineManager;
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34 import org.eclipse.jface.operation.IRunnableWithProgress;
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35 import org.eclipse.jface.preference.IPreferenceStore;
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36 import org.eclipse.swt.SWT;
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37 import org.eclipse.swt.widgets.FileDialog;
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38 import org.eclipse.swt.widgets.Shell;
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39 import org.eclipse.ui.IEditorPart;
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40 import org.eclipse.ui.PlatformUI;
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41 import org.eclipse.ui.handlers.HandlerUtil;
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42 import org.eclipse.ui.preferences.ScopedPreferenceStore;
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43 import org.simantics.charts.ui.CSVProgressMonitor;
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44 import org.simantics.databoard.binding.error.BindingException;
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45 import org.simantics.databoard.parser.StringEscapeUtils;
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46 import org.simantics.databoard.util.Bean;
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47 import org.simantics.databoard.util.StreamUtil;
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48 import org.simantics.history.HistoryException;
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49 import org.simantics.history.ItemManager;
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50 import org.simantics.history.csv.CSVFormatter;
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51 import org.simantics.history.csv.ColumnSeparator;
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52 import org.simantics.history.csv.DecimalSeparator;
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53 import org.simantics.history.csv.ExportInterpolation;
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54 import org.simantics.history.util.subscription.SamplingFormat;
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55 import org.simantics.modeling.preferences.CSVPreferences;
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56 import org.simantics.trend.configuration.TrendItem;
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57 import org.simantics.trend.impl.TrendNode;
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58 import org.simantics.utils.format.FormattingUtils;
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59 import org.simantics.utils.ui.ErrorLogger;
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62 * @author Tuukka Lehtonen
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64 public class ChartCopyHandler extends AbstractHandler {
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69 public Object execute(ExecutionEvent event) throws ExecutionException {
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70 IEditorPart ep = HandlerUtil.getActiveEditor(event);
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71 if (ep instanceof TimeSeriesEditor == false) return null;
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72 TimeSeriesEditor editor = (TimeSeriesEditor) ep;
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73 final TrendNode trendNode = editor.trendNode;
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74 IStatusLineManager status = editor.getEditorSite().getActionBars().getStatusLineManager();
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75 final Shell shell = HandlerUtil.getActiveShell(event);
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77 final AtomicBoolean result = new AtomicBoolean(false);
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79 PlatformUI.getWorkbench().getProgressService().busyCursorWhile(new IRunnableWithProgress() {
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81 public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
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82 result.set( copyDataToClipboard(monitor, trendNode, Format.JOINED_TIME, shell) );
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85 if (!result.get()) {
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86 status.setMessage("No data to copy");
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88 status.setMessage("Copied chart data to clipboard");
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90 status.setErrorMessage(null);
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91 } catch (InvocationTargetException e) {
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92 ErrorLogger.defaultLogError(e.getCause());
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93 } catch (InterruptedException e) {
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94 ErrorLogger.defaultLogError(e);
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100 static enum Format {
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105 public boolean copyDataToClipboard(IProgressMonitor monitor, TrendNode t, Format format, final Shell shell) {
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106 Charset UTF8 = Charset.forName("UTF-8");
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108 // String builder can be really slow when it is extended many times over.
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109 // Instead stream to file with buffering
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110 // StringBuilder sb = new StringBuilder();
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111 IPreferenceStore csvnode = new ScopedPreferenceStore( InstanceScope.INSTANCE, CSVPreferences.P_NODE );
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112 String ext = csvnode.getString(CSVPreferences.P_CSV_FILE_EXTENSION);
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113 File tmpFile = File.createTempFile("clipboard", ext);
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114 tmpFile.deleteOnExit();
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115 FileOutputStream fos = new FileOutputStream(tmpFile);
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116 BufferedWriter w = new BufferedWriter(new OutputStreamWriter(fos, UTF8));
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118 ItemManager im = new ItemManager( t.historian.getItems() );
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119 CSVFormatter formatter = new CSVFormatter();
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120 formatter.setTimeRange(t.horizRuler.from, t.horizRuler.end);
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122 // Write preferences
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123 formatter.setStartTime( csvnode.getDouble(CSVPreferences.P_CSV_START_TIME) );
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124 formatter.setTimeStep( csvnode.getDouble(CSVPreferences.P_CSV_TIME_STEP) );
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125 formatter.setDecimalSeparator( DecimalSeparator.fromPreference(csvnode.getString(CSVPreferences.P_CSV_DECIMAL_SEPARATOR) ) );
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126 formatter.setColumnSeparator( ColumnSeparator.fromPreference(StringEscapeUtils.unescape( csvnode.getString(CSVPreferences.P_CSV_COLUMN_SEPARATOR) ) ) );
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127 formatter.setResample( csvnode.getBoolean(CSVPreferences.P_CSV_RESAMPLE) );
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128 formatter.setNumberInterpolation( ExportInterpolation.fromPreference (csvnode.getString(CSVPreferences.P_CSV_SAMPLING_MODE) ) );
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129 formatter.setTimeFormat( FormattingUtils.significantDigitFormat( csvnode.getInt(CSVPreferences.P_CSV_TIME_DIGITS) ) );
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130 formatter.setFloatFormat( FormattingUtils.significantDigitFormat( csvnode.getInt(CSVPreferences.P_CSV_FLOAT_DIGITS) ) );
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131 formatter.setNumberFormat( FormattingUtils.significantDigitFormat( csvnode.getInt(CSVPreferences.P_CSV_DOUBLE_DIGITS) ) );
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133 for (TrendItem i : t.spec.items) {
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134 if (i.hidden) continue;
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135 List<Bean> items = im.search("variableId", i.variableId);
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136 Collections.sort(items, SamplingFormat.INTERVAL_COMPARATOR);
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137 if (items.isEmpty()) continue;
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138 Bean config = items.get(0);
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139 String historyId = (String) config.getFieldUnchecked("id");
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140 formatter.addItem( t.historian, historyId, i.simpleLabel, i.variableReference, i.unit);
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144 case TIME_VALUE_PAIRS:
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145 // formatter.formulate1(new CSVProgressMonitor(monitor), w);
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148 formatter.formulate2(new CSVProgressMonitor(monitor), w);
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151 throw new UnsupportedOperationException("unsupported format " + format);
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155 if (tmpFile.length()==0) return false;
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157 Toolkit toolkit = Toolkit.getDefaultToolkit();
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158 Clipboard clipboard = toolkit.getSystemClipboard();
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163 System.out.println("Exported to "+tmpFile+" size: "+tmpFile.length());
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164 if ( tmpFile.length() > 10*1024*1024 ) {
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165 // String msg = "The data has been written to temporary file:\n"+tmpFile.getCanonicalPath();
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166 // ShowMessage.showInformation( shell.getDisplay(), "Too much data for clipboard.", msg);
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167 final File csvFile = tmpFile;
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169 shell.getDisplay().asyncExec( new Runnable() {
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171 public void run() {
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172 FileDialog fd = new FileDialog(shell, SWT.SAVE);
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173 fd.setText("Write CSV to File");
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174 fd.setFileName( lastFile!=null ? lastFile : csvFile.getAbsolutePath() );
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175 String newFile = fd.open();
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176 if ( newFile != null ) {
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177 lastFile = newFile;
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178 File ff = new File( newFile );
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180 csvFile.renameTo( ff );
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186 String str = StreamUtil.readString(tmpFile, UTF8);
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188 StringSelection strSel = new StringSelection(str);
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189 clipboard.setContents(strSel, null);
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192 } catch (BindingException e1) {
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193 ErrorLogger.defaultLogError(e1);
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195 } catch (IOException e) {
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196 ErrorLogger.defaultLogError(e);
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198 if ( fos != null ) try { fos.close(); } catch (IOException e) { ErrorLogger.defaultLogError(e); }
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199 if ( tmpFile != null ) tmpFile.delete();
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203 } catch (HistoryException e) {
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204 ErrorLogger.defaultLogError(e);
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205 } catch (IOException e) {
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206 ErrorLogger.defaultLogError(e);
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