org.eclipse.ajdt.internal.buildpath.SaveBCAction.java Source code

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Here is the source code for org.eclipse.ajdt.internal.buildpath.SaveBCAction.java

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/*******************************************************************************
 * Copyright (c) 2005 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     Sian January - initial implementation
 *******************************************************************************/
package org.eclipse.ajdt.internal.buildpath;

import org.eclipse.ajdt.core.AJProperties;
import org.eclipse.ajdt.core.buildpath.BuildConfigurationUtils;
import org.eclipse.ajdt.internal.ui.text.UIMessages;
import org.eclipse.ajdt.internal.utils.AJDTUtils;
import org.eclipse.ajdt.ui.AspectJUIPlugin;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.IInputValidator;
import org.eclipse.jface.dialogs.InputDialog;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.window.Window;
import org.eclipse.pde.internal.ui.PDEPlugin;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;

/**
 * This action is triggered from a popup menu on a project
 * file. It saves the current exclusions.
 */
public class SaveBCAction implements IWorkbenchWindowActionDelegate {

    private IProject currentProject;

    /**
     *  Executed when button clicked or popup menu "Select this build file" clicked
     */
    public void run(IAction action) {
        if (currentProject != null) {
            String title = UIMessages.BCDialog_SaveBuildConfigurationAs_title;
            String msg = UIMessages.BCDialog_SaveBuildConfigurationAs_message;
            String defaultFileName = UIMessages.BCDialog_SaveBuildConfigurationAs_default;
            String fileName = AJDTUtils.getFreeFileName(currentProject, defaultFileName, AJProperties.EXTENSION);

            IInputValidator validator = new IInputValidator() {
                public String isValid(String input) {
                    IStatus status = PDEPlugin.getWorkspace().validateName(input + "." + AJProperties.EXTENSION, //$NON-NLS-1$
                            IResource.FILE); // $NON-NLS-1$ 
                    if (!status.isOK()) {
                        return status.getMessage();
                    }
                    return null;
                }
            };

            InputDialog md = new InputDialog(AspectJUIPlugin.getDefault().getActiveWorkbenchWindow().getShell(),
                    title, msg, fileName, validator);
            md.setBlockOnOpen(true);
            if (md.open() == Window.OK) {
                if (md.getValue() != null) {

                    String newName = md.getValue();

                    IFile newFile = getFile(currentProject, newName);
                    if (newFile.exists()) {
                        if (!askUserOverwrite(newFile.getName())) {

                        }
                        try {
                            newFile.delete(true, null);
                        } catch (CoreException e1) {
                        }

                    }
                    BuildConfigurationUtils.saveBuildConfiguration(newFile);
                }
            }
            try {
                currentProject.refreshLocal(1, null);
            } catch (CoreException e) {
            }
        }
    }

    private boolean askUserOverwrite(String fileName) {
        String[] options = { UIMessages.BCDialog_Overwrite_yes, UIMessages.BCDialog_Overwrite_no };
        String title = UIMessages.BCDialog_Overwrite_title;
        String msg = UIMessages.BCDialog_Overwrite_message.replaceAll("%fileName", fileName); //$NON-NLS-1$

        MessageDialog mdiag = new MessageDialog(null, title, null, msg, MessageDialog.QUESTION, options, 1);
        return (mdiag.open() == 0);
    }

    IFile getFile(IProject project, String name) {
        return project.getFile(name + "." + AJProperties.EXTENSION); //$NON-NLS-1$
    }

    /**
     * Selection has changed - if we've selected a build file then remember it
     * as the new project build config.
     */
    public void selectionChanged(IAction action, ISelection selection) {
        currentProject = null;
        if (selection instanceof IStructuredSelection) {
            IStructuredSelection structuredSelection = (IStructuredSelection) selection;
            Object first = structuredSelection.getFirstElement();
            if (first instanceof IProject) {
                currentProject = (IProject) first;
            } else if (first instanceof IAdaptable) {
                currentProject = (IProject) ((IAdaptable) first).getAdapter(IProject.class);
            }
        }
    }

    /**
     * From IWorkbenchWindowActionDelegate
     */
    public void dispose() {
    }

    /**
     * From IWorkbenchWindowActionDelegate
     */
    public void init(IWorkbenchWindow window) {
    }
}