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6: Add Load/Save state functionality

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Task-Url: https://github.com/eyck/txviewer/issues/issue/6
This commit is contained in:
Eyck Jentzsch
2015-11-30 22:16:29 +01:00
parent 31ed3e4858
commit ff4cb91aed
7 changed files with 159 additions and 46 deletions
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57
com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/handlers/LoadStoreSettingsHandler.java Normal file
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@ -0,0 +1,57 @@
/*******************************************************************************
* Copyright (c) 2015 MINRES Technologies GmbH and others.
* 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:
* MINRES Technologies GmbH - initial API and implementation
*******************************************************************************/
package com.minres.scviewer.e4.application.handlers;
import javax.inject.Named;
import org.eclipse.e4.core.di.annotations.CanExecute;
import org.eclipse.e4.core.di.annotations.Execute;
import org.eclipse.e4.ui.model.application.MApplication;
import org.eclipse.e4.ui.model.application.ui.basic.MPart;
import org.eclipse.e4.ui.workbench.modeling.EModelService;
import org.eclipse.e4.ui.workbench.modeling.EPartService;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Shell;
import com.minres.scviewer.e4.application.parts.WaveformViewer;
public class LoadStoreSettingsHandler {
static final String PARAMETER_ID="com.minres.scviewer.e4.application.commandparameter.loadStore";
@CanExecute
public boolean canExecute(EPartService partService) {
MPart part = partService.getActivePart();
if(part==null) return false;
return (part.getObject() instanceof WaveformViewer);
}
@Execute
public void execute(@Named(PARAMETER_ID) String param, Shell shell, MApplication app, EModelService modelService,
EPartService partService){
boolean load = "load".equals(param);
FileDialog dialog = new FileDialog(shell, load?SWT.OPEN:SWT.SAVE);
dialog.setFilterExtensions (new String []{"*.scview"});
if(!load) dialog.setFileName("SCViewer.scview");
String res = dialog.open();
MPart part = partService.getActivePart();
if(res!=null && part!=null){
Object obj = part.getObject();
if(obj instanceof WaveformViewer){
if(load)
((WaveformViewer)obj).loadState(res);
else
((WaveformViewer)obj).saveState(res);
}
}
}
}

8
com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/handlers/OpenHandler.java
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@ -27,8 +27,9 @@ public class OpenHandler {
@Execute
public void execute(Shell shell, MApplication app, EModelService modelService, EPartService partService){
FileDialog dialog = new FileDialog(shell, SWT.MULTI);
dialog.setFilterExtensions (new String []{"vcd", "txdb", "txlog"});
FileDialog dialog = new FileDialog(shell, SWT.OPEN | SWT.MULTI);
// dialog.setFilterExtensions (new String []{"vcd", "txdb", "txlog"});
dialog.setFilterExtensions (new String []{"*.vcd;*.txdb;*.txlog"});
dialog.open();
String path = dialog.getFilterPath();
for(String fileName: dialog.getFileNames()){
@ -36,8 +37,7 @@ public class OpenHandler {
if(file.exists()){
// MPart part = MBasicFactory.INSTANCE.createPart();
// part.setLabel(fileName);
// part.setContributionURI("bundleclass://com.minres.scviewer.e4.application/"+
// WaveformViewerPart.class.getName());
// part.setContributionURI("bundleclass://com.minres.scviewer.e4.application/"+ WaveformViewerPart.class.getName());
MPart part = partService .createPart("com.minres.scviewer.e4.application.partdescriptor.waveformviewer");
part.setLabel(file.getName());

39
com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/parts/WaveformViewer.java
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@ -13,12 +13,17 @@ package com.minres.scviewer.e4.application.parts;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Properties;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
@ -426,6 +431,40 @@ public class WaveformViewer implements IFileChangeListener, IPreferenceChangeLis
saveWaveformViewerState(persistedState);
}
public void saveState(String fileName){
Map<String, String> persistedState = new HashMap<>();
persistedState.put(DATABASE_FILE + "S", Integer.toString(filesToLoad.size()));
Integer index = 0;
for (File file : filesToLoad) {
persistedState.put(DATABASE_FILE + index, file.getAbsolutePath());
index++;
}
saveWaveformViewerState(persistedState);
Properties props = new Properties();
props.putAll(persistedState);
try {
FileOutputStream out = new FileOutputStream(fileName);
props.store(out, "Written by SCViewer");
out.close();
} catch (IOException e) {
e.printStackTrace();
}
}
public void loadState(String fileName){
Properties props = new Properties();
try {
FileInputStream in = new FileInputStream(fileName);
props.load(in);
in.close();
} catch (IOException e) {
e.printStackTrace();
}
@SuppressWarnings({ "unchecked", "rawtypes" })
HashMap<String, String> propMap = new HashMap<String, String>((Map) props);
restoreWaveformViewerState(propMap);
}
/**
* Save waveform viewer state.
*