/* ******************************************************************************
* Copyright (c) 2006-2012 XMind Ltd. and others.
*
* This file is a part of XMind 3. XMind releases 3 and
* above are dual-licensed under the Eclipse Public License (EPL),
* which is available at http://www.eclipse.org/legal/epl-v10.html
* and the GNU Lesser General Public License (LGPL),
* which is available at http://www.gnu.org/licenses/lgpl.html
* See http://www.xmind.net/license.html for details.
*
* Contributors:
* XMind Ltd. - initial API and implementation
*******************************************************************************/
package org.xmind.ui.internal.dialogs;
import java.io.File;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.SWT;
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.Event;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.IEditorPart;
import org.xmind.ui.dialogs.HyperlinkPage;
import org.xmind.ui.internal.editor.MME;
import org.xmind.ui.internal.protocols.FilePathParser;
/**
*
* @author Frank Shaka
*/
public class FileHyperlinkPage extends HyperlinkPage implements Listener {
// private IEditorPart editor;
private String basePath = null;
private String path;
private boolean relative;
private File file;
private Composite composite;
private Text pathInput;
private Button relativeButton;
private Button absoluteButton;
private Text absolutePathPreview;
private Button fileChooser;
private Button folderChooser;
private boolean ignoreModify = false;
private boolean warningFileNotExists = false;
// private boolean warningRelative = false;
public FileHyperlinkPage() {
}
public void init(IEditorPart editor, IStructuredSelection selection) {
// this.editor = editor;
File workbookFile = MME.getFile(editor.getEditorInput());
if (workbookFile != null) {
this.basePath = workbookFile.getParent();
}
if (this.basePath == null)
this.basePath = FilePathParser.ABSTRACT_FILE_BASE;
}
public void createControl(Composite parent) {
composite = new Composite(parent, SWT.NONE);
composite.setLayout(new GridLayout(1, false));
createLabel(composite);
createPathInput(composite);
createOptionsArea(composite);
createPathChoosers(composite);
}
private void createLabel(Composite parent) {
Label label = new Label(parent, SWT.WRAP);
label.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
((GridData) label.getLayoutData()).widthHint = 380;
label.setText(DialogMessages.FileHyperlinkPage_label);
}
private void createPathInput(Composite parent) {
pathInput = new Text(parent, SWT.SINGLE | SWT.BORDER);
pathInput.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
pathInput.addListener(SWT.Modify, this);
}
private void createOptionsArea(Composite parent) {
Group group = new Group(parent, SWT.NONE);
group.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
GridLayout layout = new GridLayout(2, true);
group.setLayout(layout);
group.setText(DialogMessages.FileHyperlinkPage_HrefGroup_Text);
absoluteButton = new Button(group, SWT.RADIO);
absoluteButton.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true,
false));
absoluteButton
.setText(DialogMessages.FileHyperlinkPage_AbsoluteButton_Text);
absoluteButton.setSelection(true);
absoluteButton.addListener(SWT.Selection, this);
relativeButton = new Button(group, SWT.RADIO);
relativeButton.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true,
false));
relativeButton
.setText(DialogMessages.FileHyperlinkPage_RelativeButton_Text);
relativeButton.addListener(SWT.Selection, this);
absolutePathPreview = new Text(group, SWT.BORDER | SWT.SINGLE
| SWT.READ_ONLY);
absolutePathPreview.setBackground(group.getBackground());
GridData absolutePathPreviewLayoutData = new GridData(SWT.FILL,
SWT.FILL, true, false);
absolutePathPreviewLayoutData.horizontalSpan = 2;
absolutePathPreview.setLayoutData(absolutePathPreviewLayoutData);
}
private void createPathChoosers(Composite parent) {
Composite composite = new Composite(parent, SWT.NONE);
composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
GridLayout layout = new GridLayout(3, false);
layout.marginWidth = 5;
layout.marginHeight = 5;
layout.verticalSpacing = 0;
layout.horizontalSpacing = 5;
composite.setLayout(layout);
Label label = new Label(composite, SWT.NONE);
label.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
createFileChooser(composite);
createFolderChooser(composite);
int maxWidth = 98;
for (Control c : composite.getChildren()) {
if (c instanceof Button) {
maxWidth = Math.max(maxWidth,
c.computeSize(SWT.DEFAULT, SWT.DEFAULT).x);
}
}
for (Control c : composite.getChildren()) {
if (c instanceof Button && c.getLayoutData() instanceof GridData) {
((GridData) c.getLayoutData()).widthHint = maxWidth;
}
}
}
private void createFileChooser(Composite parent) {
fileChooser = new Button(parent, SWT.PUSH);
fileChooser.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false,
false));
fileChooser.setText(DialogMessages.FileHyperlinkPage_ChooseFile_text);
fileChooser.addListener(SWT.Selection, this);
}
private void createFolderChooser(Composite parent) {
folderChooser = new Button(parent, SWT.PUSH);
folderChooser.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false,
false));
folderChooser
.setText(DialogMessages.FileHyperlinkPage_ChooseFolder_text);
folderChooser.addListener(SWT.Selection, this);
}
@Override
public void setValue(String value) {
super.setValue(value);
setPath(value == null ? null : FilePathParser.toPath(value));
}
protected void update() {
if (!ignoreModify) {
if (pathInput != null && !pathInput.isDisposed()) {
ignoreModify = true;
pathInput.setText(path == null ? "" : path); //$NON-NLS-1$
ignoreModify = false;
}
}
if (absoluteButton != null && !absoluteButton.isDisposed()) {
absoluteButton.setSelection(!relative);
}
if (relativeButton != null && !relativeButton.isDisposed()) {
relativeButton.setSelection(relative);
}
if (absolutePathPreview != null && !absolutePathPreview.isDisposed()) {
absolutePathPreview
.setText(file == null ? "" : file.getAbsolutePath()); //$NON-NLS-1$
}
warningFileNotExists = (file != null && !file.exists());
// warningRelative = (relative && basePath == null);
updateWarningMessage();
super.setValue(computeURI());
if (getValue() != null) {
if (composite != null && !composite.isDisposed()) {
composite.setFocus();
}
}
setCanFinish(getValue() != null);
}
// @Override
// public boolean tryFinish() {
// if (file != null && relative) {
// if (basePath == null) {
// editor.doSaveAs();
// File newFilePath = MME.getFile(editor.getEditorInput());
// if (newFilePath == null)
// return false;
// basePath = newFilePath.getParent();
// String relativePath = FilePathParser.toRelativePath(basePath,
// file.getAbsolutePath());
// if (relativePath != null) {
// super.setValue(FilePathParser.toURI(relativePath, relative));
// }
// }
// }
// return super.tryFinish();
// }
public void handleEvent(Event event) {
if (event.widget == pathInput) {
if (event.type == SWT.Modify) {
if (!ignoreModify) {
ignoreModify = true;
setPath(pathInput.getText());
ignoreModify = false;
}
}
} else if (event.widget == fileChooser) {
FileDialog dialog = createFileDialog();
String path = dialog.open();
if (path != null) {
setFile(path);
}
} else if (event.widget == folderChooser) {
DirectoryDialog dialog = createFolderDialog();
String path = dialog.open();
if (path != null) {
setFile(path);
}
} else if (event.widget == relativeButton) {
setRelative(true);
} else if (event.widget == absoluteButton) {
setRelative(false);
}
}
protected DirectoryDialog createFolderDialog() {
DirectoryDialog dialog = new DirectoryDialog(composite.getShell(),
SWT.OPEN | SWT.SINGLE);
dialog.setText(DialogMessages.FileHyperlinkPage_OpenFileDialog_windowTitle);
return dialog;
}
protected FileDialog createFileDialog() {
FileDialog dialog = new FileDialog(composite.getShell(), SWT.OPEN
| SWT.SINGLE);
dialog.setText(DialogMessages.FileHyperlinkPage_OpenFileDialog_windowTitle);
return dialog;
}
protected void setPath(String path) {
this.path = (path == null || "".equals(path)) ? null : path; //$NON-NLS-1$
this.relative = path == null ? false : FilePathParser
.isPathRelative(path);
this.file = path == null ? null
: (relative ? new File(FilePathParser.toAbsolutePath(basePath,
path)) : new File(path));
update();
}
protected void setFile(String fullPath) {
this.file = fullPath == null || "".equals(fullPath) ? null : new File(fullPath); //$NON-NLS-1$
this.path = this.file == null ? null : (relative ? FilePathParser
.toRelativePath(basePath, fullPath) : fullPath);
update();
}
protected void setRelative(boolean relative) {
this.relative = relative;
// if (basePath != null) {
this.path = this.file == null ? null : (relative ? FilePathParser
.toRelativePath(basePath, file.getAbsolutePath()) : file
.getAbsolutePath());
// }
update();
}
private void updateWarningMessage() {
setMessage(
warningFileNotExists ? DialogMessages.FileHyperlinkPage_FileNotExists_message
: null, WARNING);
}
private String computeURI() {
return path == null ? null : FilePathParser.toURI(path, relative);
}
public void dispose() {
}
public Control getControl() {
return composite;
}
public void setFocus() {
if (pathInput != null && !pathInput.isDisposed())
pathInput.setFocus();
}
}
