/*
Copyright 2008-2010 Gephi
Authors : Mathieu Bastian <mathieu.bastian@gephi.org>
Website : http://www.gephi.org
This file is part of Gephi.
Gephi is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
Gephi 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with Gephi. If not, see <http://www.gnu.org/licenses/>.
*/
package org.gephi.project.impl;
import java.util.ArrayList;
import java.util.List;
import org.gephi.project.api.Project;
import org.gephi.project.api.WorkspaceProvider;
import org.gephi.project.api.Workspace;
import org.gephi.workspace.impl.WorkspaceImpl;
/**
*
* @author Mathieu Bastian
*/
public class WorkspaceProviderImpl implements WorkspaceProvider {
private transient WorkspaceImpl currentWorkspace;
private transient Project project;
private transient List<Workspace> workspaces;
public WorkspaceProviderImpl(Project project) {
init(project);
}
public void init(Project project) {
this.project = project;
workspaces = new ArrayList<Workspace>();
}
public WorkspaceImpl newWorkspace() {
WorkspaceImpl workspace = new WorkspaceImpl(project);
workspaces.add(workspace);
return workspace;
}
public void addWorkspace(Workspace workspace) {
workspaces.add(workspace);
}
public void removeWorkspace(Workspace workspace) {
workspaces.remove(workspace);
}
public Workspace getPrecedingWorkspace(Workspace workspace) {
Workspace[] ws = getWorkspaces();
int index = -1;
for (int i = 0; i < ws.length; i++) {
if (ws[i] == workspace) {
index = i;
}
}
if (index != -1 && index >= 1) {
//Get preceding
return ws[index - 1];
} else if (index == 0 && ws.length > 1) {
//Get following
return ws[1];
}
return null;
}
@Override
public WorkspaceImpl getCurrentWorkspace() {
return currentWorkspace;
}
@Override
public Workspace[] getWorkspaces() {
return workspaces.toArray(new Workspace[0]);
}
public void setCurrentWorkspace(Workspace currentWorkspace) {
this.currentWorkspace = (WorkspaceImpl) currentWorkspace;
}
public boolean hasCurrentWorkspace() {
return currentWorkspace != null;
}
}