/*
* This file is part of muCommander, http://www.mucommander.com
* Copyright (C) 2002-2016 Maxence Bernard
*
* muCommander is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* muCommander 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.mucommander.ui.action.impl;
import java.util.Map;
import com.mucommander.command.Command;
import com.mucommander.commons.file.AbstractFile;
import com.mucommander.commons.file.FileOperation;
import com.mucommander.commons.file.filter.AndFileFilter;
import com.mucommander.commons.file.filter.AttributeFileFilter;
import com.mucommander.commons.file.filter.AttributeFileFilter.FileAttribute;
import com.mucommander.commons.file.protocol.local.LocalFile;
import com.mucommander.commons.file.filter.FileOperationFilter;
import com.mucommander.job.impl.TempOpenWithJob;
import com.mucommander.process.ProcessRunner;
import com.mucommander.text.Translator;
import com.mucommander.ui.dialog.InformationDialog;
import com.mucommander.ui.dialog.file.ProgressDialog;
import com.mucommander.ui.main.MainFrame;
/**
* Provides a common base for viewer and editor actions.
* @author Maxence Bernard, Nicolas Rinaudo
*/
abstract class AbstractViewerAction extends SelectedFileAction {
// - Initialization ------------------------------------------------------------------
// -----------------------------------------------------------------------------------
/**
* Creates a new instance of <code>AbstractViewerAction</code>.
* @param mainFrame frame to which the action is attached.
* @param properties action's properties.
*/
public AbstractViewerAction(MainFrame mainFrame, Map<String,Object> properties) {
super(mainFrame, properties);
// Enable this action only if the currently selected file is not a directory and can be read.
setSelectedFileFilter(new AndFileFilter(
new FileOperationFilter(FileOperation.READ_FILE),
new AttributeFileFilter(FileAttribute.DIRECTORY, true)
));
}
// - AbstractAction implementation ---------------------------------------------------
// -----------------------------------------------------------------------------------
/**
* Edits the currently selected file.
*/
@Override
public synchronized void performAction() {
AbstractFile file;
Command customCommand;
file = mainFrame.getActiveTable().getSelectedFile(false, true);
// At this stage, no assumption should be made on the type of file that is allowed to be viewed/edited:
// viewer/editor implementations will decide whether they allow a particular file or not.
if(file != null) {
customCommand = getCustomCommand();
// If we're using a custom command...
if(customCommand != null) {
// If it's local, run the custom editor on it.
if(file.hasAncestor(LocalFile.class)) {
try {ProcessRunner.execute(customCommand.getTokens(file), file);}
catch(Exception e) {
InformationDialog.showErrorDialog(mainFrame);}
}
// If it's distant, copies it locally before running the custom editor on it.
else {
ProgressDialog progressDialog = new ProgressDialog(mainFrame, Translator.get("copy_dialog.copying"));
TempOpenWithJob job = new TempOpenWithJob(progressDialog, mainFrame, file, customCommand);
progressDialog.start(job);
}
}
// If we're not using a custom editor, this action behaves exactly like its parent.
else
performInternalAction(file);
}
}
// - Abstract methods ----------------------------------------------------------------
// -----------------------------------------------------------------------------------
/**
* Opens the specified file without a custom command.
* @param file file to open.
*/
protected abstract void performInternalAction(AbstractFile file);
protected abstract Command getCustomCommand();
}