/* ********************************************************************** **
** Copyright notice **
** **
** (c) 2005-2009 RSSOwl Development Team **
** http://www.rssowl.org/ **
** **
** 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.rssowl.org/legal/epl-v10.html **
** **
** A copy is found in the file epl-v10.html and important notices to the **
** license from the team is found in the textfile LICENSE.txt distributed **
** in this package. **
** **
** This copyright notice MUST APPEAR in all copies of the file! **
** **
** Contributors: **
** RSSOwl Development Team - initial API and implementation **
** **
** ********************************************************************** */
package org.rssowl.ui.internal.dialogs.importer;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IMessageProvider;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.osgi.util.NLS;
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.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Text;
import org.rssowl.core.Owl;
import org.rssowl.core.persist.IFolder;
import org.rssowl.core.util.CoreUtils;
import org.rssowl.core.util.StringUtils;
import org.rssowl.ui.internal.OwlUI;
import org.rssowl.ui.internal.dialogs.welcome.WelcomeWizard;
import org.rssowl.ui.internal.util.FolderChooser;
import org.rssowl.ui.internal.util.FolderChooser.ExpandStrategy;
import org.rssowl.ui.internal.util.LayoutUtils;
import java.util.Set;
/**
* A {@link WizardPage} to select the Target location for the import.
*
* @author bpasero
*/
public class ImportTargetPage extends WizardPage {
private FolderChooser fFolderChooser;
private Button fNoSpecificLocationRadio;
private Button fChooseExistingRadio;
private Button fCreateNewSetRadio;
private Text fSetNameInput;
private Label fSetNameLabel;
private final IFolder fTargetFolder;
ImportTargetPage(IFolder targetFolder) {
super(Messages.ImportTargetPage_CHOOSE_TARGET, Messages.ImportTargetPage_CHOOSE_TARGET, OwlUI.getImageDescriptor("icons/wizban/import_wiz.png")); //$NON-NLS-1$
fTargetFolder = targetFolder;
setMessage(Messages.ImportTargetPage_CHOOSE_TARGET_FOLDER);
}
/**
* @return the target {@link IFolder} for the import or <code>null</code> if
* no specific location is selected.
*/
IFolder getTargetLocation() {
/* No specific Location */
if (fNoSpecificLocationRadio.getSelection())
return null;
/* Specific Location */
if (fChooseExistingRadio.getSelection())
return fFolderChooser.getFolder();
/* New Bookmark Set */
return Owl.getModelFactory().createFolder(null, null, fSetNameInput.getText());
}
private void updatePageComplete() {
if (fNoSpecificLocationRadio.getSelection() || fChooseExistingRadio.getSelection())
setPageComplete(true);
else
setPageComplete(StringUtils.isSet(fSetNameInput.getText()));
if (fCreateNewSetRadio.getSelection() && newSetExists(fSetNameInput.getText()))
setMessage(NLS.bind(Messages.ImportTargetPage_BOOKMARK_EXISTS, fSetNameInput.getText()), IMessageProvider.WARNING);
else
setMessage(Messages.ImportTargetPage_CHOOSE_TARGET_FOLDER);
}
/*
* @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite)
*/
public void createControl(Composite parent) {
boolean isWelcome = (getWizard() instanceof WelcomeWizard);
Composite container = new Composite(parent, SWT.NONE);
container.setLayout(new GridLayout(1, false));
/* No Specific Location */
fNoSpecificLocationRadio = new Button(container, SWT.RADIO);
fNoSpecificLocationRadio.setText(Messages.ImportTargetPage_DIRECT_IMPORT);
fNoSpecificLocationRadio.setSelection(fTargetFolder == null);
fNoSpecificLocationRadio.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
updatePageComplete();
}
});
/* Choose Existing Folder */
fChooseExistingRadio = new Button(container, SWT.RADIO);
fChooseExistingRadio.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));
((GridData) fChooseExistingRadio.getLayoutData()).verticalIndent = 10;
fChooseExistingRadio.setText(Messages.ImportTargetPage_IMPORT_TO_EXISTING);
fChooseExistingRadio.setSelection(fTargetFolder != null);
Composite folderContainer = new Composite(container, SWT.None);
folderContainer.setLayout(LayoutUtils.createGridLayout(2, 0, 0));
((GridLayout) folderContainer.getLayout()).marginLeft = 15;
folderContainer.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));
IFolder targetFolder;
if (fTargetFolder == null)
targetFolder = CoreUtils.loadRootFolders().iterator().next();
else
targetFolder = fTargetFolder;
fFolderChooser = new FolderChooser(folderContainer, targetFolder, null, SWT.BORDER, true, 5);
fFolderChooser.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
fFolderChooser.setExpandStrategy(ExpandStrategy.PACK);
fFolderChooser.setLayout(LayoutUtils.createGridLayout(1, 0, 0, 2, 5, false));
fFolderChooser.setBackground(container.getDisplay().getSystemColor(SWT.COLOR_LIST_BACKGROUND));
fFolderChooser.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event event) {
if (!fChooseExistingRadio.getSelection()) {
fChooseExistingRadio.setSelection(true);
fNoSpecificLocationRadio.setSelection(false);
fCreateNewSetRadio.setSelection(false);
fSetNameLabel.setEnabled(false);
fSetNameInput.setEnabled(false);
updatePageComplete();
}
}
});
/* Create new Bookmark Set */
fCreateNewSetRadio = new Button(container, SWT.RADIO);
fCreateNewSetRadio.setEnabled(!isWelcome);
fCreateNewSetRadio.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));
((GridData) fCreateNewSetRadio.getLayoutData()).verticalIndent = 10;
fCreateNewSetRadio.setText(Messages.ImportTargetPage_IMPORT_TO_NEW_SET);
fCreateNewSetRadio.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
fSetNameLabel.setEnabled(fCreateNewSetRadio.getSelection());
fSetNameInput.setEnabled(fCreateNewSetRadio.getSelection());
if (fCreateNewSetRadio.getSelection())
fSetNameInput.setFocus();
updatePageComplete();
}
});
Composite newBookmarkSetContainer = new Composite(container, SWT.None);
newBookmarkSetContainer.setLayout(LayoutUtils.createGridLayout(2, 0, 0));
((GridLayout) newBookmarkSetContainer.getLayout()).marginLeft = 15;
newBookmarkSetContainer.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));
fSetNameLabel = new Label(newBookmarkSetContainer, SWT.None);
fSetNameLabel.setText(Messages.ImportTargetPage_NAME);
fSetNameLabel.setEnabled(false);
fSetNameInput = new Text(newBookmarkSetContainer, SWT.SINGLE | SWT.BORDER);
fSetNameInput.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));
fSetNameInput.setEnabled(false);
fSetNameInput.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
updatePageComplete();
}
});
Dialog.applyDialogFont(container);
setControl(container);
}
/* Check if a Bookmark Set with the Name already exists */
private boolean newSetExists(String name) {
Set<IFolder> roots = CoreUtils.loadRootFolders();
for (IFolder root : roots) {
if (root.getName().equals(name))
return true;
}
return false;
}
}