/*******************************************************************************
* Copyright (c) 2012-2015 INRIA.
* 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:
* Youenn Corre - initial API and implementation
******************************************************************************/
package fr.inria.soctrace.framesoc.ui.histogram.snapshot;
import java.io.File;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.DirectoryDialog;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Spinner;
import org.eclipse.swt.widgets.Text;
import org.eclipse.wb.swt.ResourceManager;
import fr.inria.soctrace.framesoc.ui.histogram.view.HistogramView;
/**
* This class implements the dialog window to configure the export of the
* density chart into an image
*
* @author "Youenn Corre <youenn.corre@inria.fr>"
*/
public class HistogramSnapshotDialog extends Dialog {
private HistogramView histoView;
private Text snapshotDirectory;
private Button btnChangeSnapshotDirectory;
private Spinner snapshotWidth;
private Spinner snapshotHeight;
public HistogramSnapshotDialog(Shell parentShell, HistogramView histoView) {
super(parentShell);
this.histoView = histoView;
}
@Override
protected Control createDialogArea(Composite parent) {
Composite c = (Composite) super.createDialogArea(parent);
c.setLayout(new GridLayout(2, false));
Composite composite = new Composite(c, SWT.NONE);
composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
composite.setLayout(new GridLayout(2, false));
final Group groupSnapshotSettings = new Group(composite, SWT.NONE);
groupSnapshotSettings.setText("Snapshot Settings");
groupSnapshotSettings.setLayout(new GridLayout(3, false));
final Label lblSnapshotDirectory = new Label(groupSnapshotSettings, SWT.NONE);
lblSnapshotDirectory.setText("Snapshot Directory:");
final GridData gd_MiscDir = new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1);
gd_MiscDir.widthHint = 300;
snapshotDirectory = new Text(groupSnapshotSettings, SWT.BORDER);
snapshotDirectory.setLayoutData(gd_MiscDir);
snapshotDirectory.setText(System.getProperty("user.home"));
snapshotDirectory.setToolTipText(snapshotDirectory.getText());
snapshotDirectory.addModifyListener(new CheckDirectoryListener());
btnChangeSnapshotDirectory = new Button(groupSnapshotSettings, SWT.PUSH);
btnChangeSnapshotDirectory.setLayoutData(new GridData(SWT.CENTER,
SWT.CENTER, false, false, 1, 1));
btnChangeSnapshotDirectory.setToolTipText("Change snapshot directory");
btnChangeSnapshotDirectory.setImage(ResourceManager.getPluginImage(
"fr.inria.soctrace.framesoc.ui.histogram",
"icons/fldr_obj.gif"));
Label lblsnapshotWidth = new Label(groupSnapshotSettings, SWT.NONE);
lblsnapshotWidth.setText("Snapshot Width:");
snapshotWidth = new Spinner(groupSnapshotSettings, SWT.BORDER);
final GridData spinnerGridData = new GridData(SWT.LEFT, SWT.CENTER, true, false, 1, 1);
spinnerGridData.widthHint = 75;
snapshotWidth.setLayoutData(spinnerGridData);
snapshotWidth.setIncrement(1);
snapshotWidth.setMaximum(100000);
snapshotWidth.setMinimum(10);
snapshotWidth.setSelection(histoView.getChartFrame().getBounds().width);
snapshotWidth.setToolTipText("Width of the generated image in pixels (10 - 100000)");
new Label(groupSnapshotSettings, SWT.NONE);
Label lblsnapshotHeight = new Label(groupSnapshotSettings, SWT.NONE);
lblsnapshotHeight.setText("Snapshot Height:");
snapshotHeight = new Spinner(groupSnapshotSettings, SWT.BORDER);
snapshotHeight.setLayoutData(spinnerGridData);
snapshotHeight.setIncrement(1);
snapshotHeight.setMaximum(100000);
snapshotHeight.setMinimum(10);
snapshotHeight.setSelection(histoView.getChartFrame().getBounds().height);
snapshotHeight.setToolTipText("Height of the generated image in pixels (10 - 100000)");
new Label(groupSnapshotSettings, SWT.NONE);
btnChangeSnapshotDirectory.addSelectionListener(new ModifySnapshotDirectory());
return composite;
}
@Override
protected void okPressed() {
HistogramSnapshot snapshot = new HistogramSnapshot(snapshotDirectory.getText(), histoView);
snapshot.setHeight(snapshotHeight.getSelection());
snapshot.setWidth(snapshotWidth.getSelection());
snapshot.takeSnapShot();
super.okPressed();
}
/**
* Set a customize title for the setting window
*/
@Override
protected void configureShell(Shell newShell) {
super.configureShell(newShell);
newShell.setText("Snapshot");
}
private class CheckDirectoryListener implements ModifyListener {
@Override
public void modifyText(ModifyEvent e) {
getButton(IDialogConstants.OK_ID).setEnabled(okEnabled());
}
private boolean okEnabled() {
snapshotDirectory.setToolTipText(snapshotDirectory.getText());
File dirPath = new File(snapshotDirectory.getText());
if (dirPath.exists() && dirPath.isDirectory() && dirPath.canWrite())
return true;
return false;
}
}
private class ModifySnapshotDirectory extends SelectionAdapter {
@Override
public void widgetSelected(final SelectionEvent e) {
DirectoryDialog dialog = new DirectoryDialog(getShell());
String newSnapDir = dialog.open();
// Did the user cancel?
if (newSnapDir != null) {
// Update the displayed path
snapshotDirectory.setText(newSnapDir);
}
}
}
}