eldaEditor.dialogs.ChooseTypeDialog.java Source code

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Here is the source code for eldaEditor.dialogs.ChooseTypeDialog.java

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/*****************************************************************
ELDATool
Copyright (C) 2012 G. Fortino
    
This library 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;
version 2.1 of the License.
    
This library 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 copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
*****************************************************************/

package eldaEditor.dialogs;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.search.SearchEngine;
import org.eclipse.jdt.ui.IJavaElementSearchConstants;
import org.eclipse.jdt.ui.JavaUI;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.swt.widgets.Dialog;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.SelectionDialog;
import org.eclipse.ui.part.FileEditorInput;

/**
 * @author samuele
 * 
 */
public class ChooseTypeDialog extends Dialog {
    private String superClass;

    // private Text project;

    public ChooseTypeDialog(Shell parent) {
        super(parent);
        // TODO Auto-generated constructor stub
    }

    public String open(Shell shell) {
        try {
            IJavaProject project = JavaCore.create(getProject());

            SelectionDialog dialog = JavaUI.createTypeDialog(shell, new ProgressMonitorDialog(shell),
                    SearchEngine.createJavaSearchScope(new IJavaElement[] { project }),
                    IJavaElementSearchConstants.CONSIDER_CLASSES, false);
            dialog.setTitle("Choose the variable type");

            if (dialog.open() == SelectionDialog.OK) {
                Object[] result = dialog.getResult();
                superClass = ((IType) result[0]).getFullyQualifiedName();
                return superClass;
            }
        } catch (Exception ex) {
        }
        return null;
    }

    private IProject getProject() {
        try {
            // recupero il workspace
            // IWorkspaceRoot wsroot = ResourcesPlugin.getWorkspace().getRoot();

            IFile file = ((FileEditorInput) PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage()
                    .getActiveEditor().getEditorInput()).getFile();
            // String strFile = file.getFullPath().toString();

            // Elimino dal path trovato il nome del progetto
            // strFile =
            // strFile.replaceAll(file.getProject().getFullPath()+"/","");

            // ResourcesPlugin.getWorkspace().getRoot()
            IProject project = file.getProject();
            if (project.hasNature(JavaCore.NATURE_ID)) {
                return project;
            }
        } catch (Exception ex) {
        }
        return null;
    }

}