/*
* Carrot2 project.
*
* Copyright (C) 2002-2014, Dawid Weiss, Stanisław Osiński.
* All rights reserved.
*
* Refer to the full license file "carrot2.LICENSE"
* in the root folder of the repository checkout or at:
* http://www.carrot2.org/carrot2.LICENSE
*/
package org.carrot2.workbench.core.ui;
import static org.apache.commons.lang.StringUtils.isBlank;
import static org.eclipse.swt.SWT.Modify;
import static org.eclipse.swt.SWT.Selection;
import java.io.File;
import org.carrot2.workbench.core.ui.SearchEditor.SaveOptions;
import org.eclipse.core.runtime.Path;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.TrayDialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ShellAdapter;
import org.eclipse.swt.events.ShellEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.*;
/**
* Displays a dialog prompting for the location of the output XML file and options
* indicating what to save (clusters, documents or both).
*/
final class SearchEditorSaveAsDialog extends TrayDialog
{
private Text fileNameText;
private Button browseButton;
private Button clusterOption;
private Button docOption;
private Button attributesOption;
/**
* Save options (from the editor).
*/
public SaveOptions editorOptions;
/*
*
*/
public SearchEditorSaveAsDialog(Shell parentShell, SearchEditor.SaveOptions options)
{
super(parentShell);
this.editorOptions = options;
}
@Override
protected void configureShell(Shell newShell)
{
super.configureShell(newShell);
newShell.setText("Save as XML");
newShell.addShellListener(new ShellAdapter()
{
@Override
public void shellActivated(ShellEvent e)
{
validateInput();
}
});
}
@Override
protected void okPressed()
{
final File f = new File(this.fileNameText.getText());
editorOptions.directory = f.getParent();
editorOptions.fileName = f.getName();
editorOptions.includeClusters = clusterOption.getSelection();
editorOptions.includeDocuments = docOption.getSelection();
editorOptions.includeAttributes = attributesOption.getSelection();
editorOptions.saveGlobal();
super.okPressed();
}
/*
*
*/
@Override
protected Control createDialogArea(Composite parent)
{
final Composite root = (Composite) super.createDialogArea(parent);
createControls(root);
final Path fullPath = new Path(editorOptions.getFullPath());
fileNameText.setText(fullPath.toOSString());
browseButton.addListener(Selection, new Listener()
{
public void handleEvent(Event event)
{
Path newPath = FileDialogs.openSaveXML(fullPath);
if (newPath != null)
{
fileNameText.setText(newPath.toOSString());
}
}
});
final Listener correctnessChecker = new Listener()
{
public void handleEvent(Event event)
{
validateInput();
}
};
docOption.addListener(Selection, correctnessChecker);
clusterOption.addListener(Selection, correctnessChecker);
fileNameText.addListener(Modify, correctnessChecker);
return root;
}
/*
*
*/
private void validateInput()
{
boolean invalid = false;
invalid |= (docOption.getSelection() == false && clusterOption.getSelection() == false);
if (isBlank(fileNameText.getText()))
{
invalid = true;
}
else
{
invalid |= (!new File(fileNameText.getText()).getAbsoluteFile()
.getParentFile().isDirectory());
}
getButton(IDialogConstants.OK_ID).setEnabled(!invalid);
}
/*
*
*/
private void createControls(Composite root)
{
final GridLayout parentLayout = (GridLayout) root.getLayout();
parentLayout.numColumns = 3;
root.setLayout(parentLayout);
{
Label fileNameLabel = new Label(root, SWT.NONE);
fileNameLabel.setText("Location:");
}
{
GridData fileNameTextLData = new GridData();
fileNameTextLData.horizontalAlignment = GridData.FILL;
fileNameTextLData.grabExcessHorizontalSpace = true;
fileNameTextLData.verticalAlignment = GridData.FILL;
fileNameTextLData.horizontalIndent = 5;
fileNameTextLData.minimumWidth = 280;
fileNameTextLData.widthHint = 280;
fileNameText = new Text(root, SWT.BORDER);
fileNameText.setLayoutData(fileNameTextLData);
}
{
browseButton = new Button(root, SWT.NONE);
GridData dialogButtonLData = new GridData();
dialogButtonLData.horizontalAlignment = GridData.FILL;
dialogButtonLData.verticalAlignment = GridData.FILL;
browseButton.setText("Browse...");
dialogButtonLData.widthHint = browseButton.computeSize(SWT.DEFAULT,
SWT.DEFAULT).x
+ 2 * IDialogConstants.BUTTON_MARGIN;
browseButton.setLayoutData(dialogButtonLData);
}
docOption = createCheckbox(root, "Include documents", editorOptions.includeDocuments);
clusterOption = createCheckbox(root, "Include clusters", editorOptions.includeClusters);
attributesOption = createCheckbox(root, "Include other attributes", editorOptions.includeAttributes);
}
private Button createCheckbox(Composite root, final String label, final Boolean checked)
{
new Label(root, SWT.NONE).setVisible(false);
final Button checkbox = new Button(root, SWT.CHECK | SWT.LEFT);
final GridData checkboxLData = new GridData();
checkboxLData.horizontalIndent = 5;
checkboxLData.horizontalSpan = 2;
checkbox.setLayoutData(checkboxLData);
checkbox.setText(label);
checkbox.setSelection(checked);
return checkbox;
}
}