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/******************************************************************************* |
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* Copyright (c) 2004, 2008 Tasktop Technologies and others. |
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* All rights reserved. This program and the accompanying materials |
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* are made available under the terms of the Eclipse Public License v1.0 |
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* which accompanies this distribution, and is available at |
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* http://www.eclipse.org/legal/epl-v10.html |
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* |
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* Contributors: |
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* Tasktop Technologies - initial API and implementation |
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*******************************************************************************/ |
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package org.eclipse.mylyn.internal.tasks.ui.util; |
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import java.io.File; |
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import java.util.List; |
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import org.eclipse.core.runtime.preferences.ConfigurationScope; |
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import org.eclipse.core.runtime.preferences.IEclipsePreferences; |
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import org.eclipse.jface.action.Action; |
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import org.eclipse.jface.dialogs.MessageDialog; |
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import org.eclipse.mylyn.internal.tasks.ui.TasksUiPlugin; |
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import org.eclipse.mylyn.tasks.core.ITaskAttachment; |
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import org.eclipse.osgi.util.NLS; |
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import org.eclipse.swt.SWT; |
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import org.eclipse.swt.widgets.DirectoryDialog; |
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import org.eclipse.swt.widgets.FileDialog; |
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import org.eclipse.swt.widgets.Shell; |
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import org.osgi.service.prefs.BackingStoreException; |
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final class SaveAttachmentsAction extends Action { |
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private static final String DEFAULT_DIRECTORY = "saveAttachments.defaultDirectory"; //$NON-NLS-1$ |
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private static final String ATTACHMENT_DEFAULT_NAME = "attachment"; //$NON-NLS-1$ |
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private static final String CTYPE_ZIP = "zip"; //$NON-NLS-1$ |
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private static final String CTYPE_OCTET_STREAM = "octet-stream"; //$NON-NLS-1$ |
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private static final String CTYPE_TEXT = "text"; //$NON-NLS-1$ |
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private static final String CTYPE_HTML = "html"; //$NON-NLS-1$ |
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|
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SaveAttachmentsAction(String text) { |
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super(text); |
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} |
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@Override |
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public void run() { |
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List<ITaskAttachment> attachments = AttachmentUtil.getSelectedAttachments(); |
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if (attachments.isEmpty()) { |
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return; |
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} |
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if (attachments.size() == 1) { |
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saveSingleAttachment(attachments.get(0)); |
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} else { |
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saveAllAttachments(attachments); |
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} |
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} |
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|
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/* |
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* Single attachment saving -- displays Save File dialog, then downloads and saves single attachment |
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*/ |
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private void saveSingleAttachment(ITaskAttachment attachment) { |
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/* Launch Browser */ |
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FileDialog fileChooser = new FileDialog(TasksUiInternal.getShell(), SWT.SAVE); |
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fileChooser.setFileName(getAttachmentFilename(attachment)); |
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File initDirectory = getInitialDirectory(); |
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if (initDirectory != null) { |
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fileChooser.setFilterPath(initDirectory.getAbsolutePath()); |
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} |
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String filePath = fileChooser.open(); |
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// check if the dialog was canceled or an error occurred |
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if (filePath == null) { |
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return; |
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} |
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File file = new File(filePath); |
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if (file.exists()) { |
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if (!MessageDialog.openConfirm(TasksUiInternal.getShell(), Messages.TasksUiMenus_File_exists_, |
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Messages.TasksUiMenus_Overwrite_existing_file_ + file.getName())) { |
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return; |
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} |
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} |
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initDirectory = file.getParentFile(); |
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if (initDirectory != null) { |
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saveInitialDirectory(initDirectory.getAbsolutePath()); |
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} |
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DownloadAttachmentJob job = new DownloadAttachmentJob(attachment, file); |
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job.setUser(true); |
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job.schedule(); |
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} |
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private void saveAllAttachments(List<ITaskAttachment> attachments) { |
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DirectoryDialog dialog = new DirectoryDialog(TasksUiInternal.getShell()); |
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dialog.setText(Messages.SaveAttachmentsAction_selectDirectory); |
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dialog.setMessage(Messages.SaveAttachmentsAction_selectDirectoryHint); |
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File initDirectory = getInitialDirectory(); |
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if (initDirectory != null) { |
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dialog.setFilterPath(initDirectory.getAbsolutePath()); |
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} |
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String directoryPath = dialog.open(); |
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if (directoryPath == null) { |
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return; |
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} |
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saveInitialDirectory(directoryPath); |
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final File directory = new File(directoryPath); |
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if (!directory.exists()) { |
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MessageDialog.openError(TasksUiInternal.getShell(), Messages.SaveAttachmentsAction_directoryDoesntExist, |
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NLS.bind(Messages.SaveAttachmentsAction_directoryDoesntExist0, directoryPath)); |
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return; |
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} |
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for (ITaskAttachment a : attachments) { |
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String filename = getAttachmentFilename(a); |
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File file = getTargetFile(TasksUiInternal.getShell(), directory, filename); |
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DownloadAttachmentJob job = new DownloadAttachmentJob(a, file); |
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job.setUser(true); |
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job.schedule(); |
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} |
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} |
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private File getTargetFile(Shell shell, File directory, String filename) { |
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File attachFile = new File(directory, filename); |
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while (true) { |
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if (!attachFile.exists()) { |
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return attachFile; |
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} |
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boolean overwrite = MessageDialog.openQuestion(shell, NLS.bind( |
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Messages.SaveAttachmentsAction_overwriteFile0, attachFile.getName()), NLS.bind( |
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Messages.SaveAttachmentsAction_fileExists_doYouWantToOverwrite0, attachFile.getAbsolutePath())); |
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if (overwrite) { |
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return attachFile; |
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} |
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FileDialog fileDialog = new FileDialog(shell, SWT.SAVE); |
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fileDialog.setFilterPath(directory.getAbsolutePath()); |
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filename = fileDialog.open(); |
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if (filename == null) { |
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return null; |
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} |
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attachFile = new File(filename); |
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} |
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} |
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private String getAttachmentFilename(ITaskAttachment attachment) { |
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String fname = attachment.getFileName(); |
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// default name if none is found |
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if (fname.equals("")) { //$NON-NLS-1$ |
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String ctype = attachment.getContentType(); |
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if (ctype.endsWith(CTYPE_HTML)) { |
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fname = ATTACHMENT_DEFAULT_NAME + ".html"; //$NON-NLS-1$ |
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} else if (ctype.startsWith(CTYPE_TEXT)) { |
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fname = ATTACHMENT_DEFAULT_NAME + ".txt"; //$NON-NLS-1$ |
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} else if (ctype.endsWith(CTYPE_OCTET_STREAM)) { |
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fname = ATTACHMENT_DEFAULT_NAME; |
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} else if (ctype.endsWith(CTYPE_ZIP)) { |
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fname = ATTACHMENT_DEFAULT_NAME + "." + CTYPE_ZIP; //$NON-NLS-1$ |
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} else { |
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fname = ATTACHMENT_DEFAULT_NAME + "." + ctype.substring(ctype.indexOf("/") + 1); //$NON-NLS-1$ //$NON-NLS-2$ |
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} |
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} |
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return fname; |
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} |
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private File getInitialDirectory() { |
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IEclipsePreferences prefs = new ConfigurationScope().getNode(TasksUiPlugin.ID_PLUGIN); |
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String dir = prefs.get(DEFAULT_DIRECTORY, null); |
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if (dir == null) { |
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return null; |
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} |
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File file = new File(dir).getAbsoluteFile(); |
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while (file != null && !file.exists()) { |
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file = file.getParentFile(); |
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} |
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return file; |
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} |
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private void saveInitialDirectory(String directory) { |
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IEclipsePreferences prefs = new ConfigurationScope().getNode(TasksUiPlugin.ID_PLUGIN); |
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prefs.put(DEFAULT_DIRECTORY, directory); |
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try { |
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prefs.flush(); |
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} catch (BackingStoreException e) { |
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// ignore |
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} |
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} |
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} |
