DocumentController.java

/*
 * Rapid Beans Framework: DocumentController.java
 * 
 * Copyright (C) 2009 Martin Bluemel
 * 
 * Creation Date: 03/11/2007
 * 
 * This program is free software; you can redistribute it and/or modify it under the terms of the
 * GNU Lesser General Public License as published by the Free Software Foundation;
 * either version 3 of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 * You should have received a copies of the GNU Lesser General Public License and the
 * GNU General Public License along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

package org.rapidbeans.presentation;

import java.io.File;
import java.net.MalformedURLException;

import org.rapidbeans.core.common.RapidBeansLocale;
import org.rapidbeans.core.exception.AuthorizationException;
import org.rapidbeans.core.exception.RapidBeansRuntimeException;
import org.rapidbeans.datasource.Document;
import org.rapidbeans.presentation.settings.SettingsAll;

/**
 * Static helper class to drive document interactions like
 * "Open, Save, Save As".
 * 
 * @author Martin Bluemel
 */
public final class DocumentController {

	/**
	 * prevent constructor from being used.
	 */
	private DocumentController() {
	}

	/**
	 * Drives the document action "Open" for a (local) file.
	 * 
	 * @param docconfname
	 *            the document configuration's name to use
	 * @param viewconfname
	 *            the view configuration's name to use
	 */
	public static void open(final String docconfname, final String viewconfname) {
		final Application app = ApplicationManager.getApplication();
		final RapidBeansLocale locale = app.getCurrentLocale();
		final File docFile = FileChooser.chooseFile(locale.getStringGui("commongui.text.open"), FileChooserType.open,
				app.getSettings().getBasic().getFolderdoc(), locale.getStringGui("commongui.text.document"), "xml");
		if (docFile != null) {
			final Document doc = new Document(docFile);
			try {
				app.openDocumentView(doc, docconfname, viewconfname);
				app.getSettings().getBasic().setFolderdoc(docFile.getParentFile());
				app.getSettingsDoc().save();
				app.addDocumentOpenedToHistory(doc);
			} catch (AuthorizationException e) {
				app.messageError(
						app.getCurrentLocale().getStringMessage("authorization.denied.document",
								app.getAuthenticatedUser().getProperty("accountname").toString()), app
								.getCurrentLocale().getStringMessage("authorization.denied.title"));
			}
		}
	}

	/**
	 * Drives the document action "Save". The active document is saved.
	 */
	public static void save() {
		save(ApplicationManager.getApplication().getActiveDocument());
	}

	/**
	 * Drives the document action "Save" with the given document.
	 * 
	 * @param document
	 *            the document to save
	 */
	public static void save(final Document document) {
		final Application app = ApplicationManager.getApplication();
		if (document != null && document.getChanged()) {
			final String defaultEncoding = app.getSettings().getBasic().getDefaultencoding().name();
			final boolean forceEncoding = (app.getSettings().getBasic().getDefaultencodingusage() == DefaultEncodingUsage.write);
			document.save(defaultEncoding, forceEncoding, null);
		}
	}

	/**
	 * Drives the document action "Save As". The active document is saved under
	 * a chosen name.
	 */
	public static void saveAs() {
		saveAs(ApplicationManager.getApplication().getActiveDocument());
	}

	/**
	 * Drives the document action "Save As" with the given document.
	 * 
	 * @param document
	 *            the document to save
	 */
	public static void saveAs(final Document document) {
		final Application app = ApplicationManager.getApplication();
		final SettingsAll settings = app.getSettings();
		final RapidBeansLocale locale = app.getCurrentLocale();
		final File docFile = FileChooser.chooseFile(locale.getStringGui("commongui.text.saveas"), FileChooserType.save,
				settings.getBasic().getFolderdoc(), locale.getStringGui("commongui.text.document"), "xml");
		if (docFile != null) {
			if (document != null) {
				boolean save = true;
				if (docFile.exists()) {
					save = app.messageYesNo(locale.getStringGui("messagedialog.title.saveas.overwrite"),
							locale.getStringMessage("messagedialog.saveas.overwrite", docFile.getAbsolutePath()));
				}
				if (save) {
					try {
						document.setUrl(docFile.toURI().toURL());
					} catch (MalformedURLException e) {
						throw new RapidBeansRuntimeException(e);
					}
					final String defaultEncoding = app.getSettings().getBasic().getDefaultencoding().name();
					final boolean forceEncoding = (app.getSettings().getBasic().getDefaultencodingusage() == DefaultEncodingUsage.write);
					document.save(defaultEncoding, forceEncoding, null);
					app.getSettings().getBasic().setFolderdoc(docFile.getParentFile());
					app.getSettingsDoc().save();
				}
			}
		}
	}
}