/**

 * Copyright (c) 2010 Symbian Foundation and/or its subsidiary(-ies).

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of the License "Eclipse Public License v1.0"

 * which accompanies this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

 *

 * Initial Contributors:

 * Symbian Foundation - initial contribution.

 * Contributors:

 * Description:

 * Overview:

 * Details:

 * Platforms/Drives/Compatibility:

 * Assumptions/Requirement/Pre-requisites:

 * Failures and causes:

 */

package org.symbian.tools.mtw.internal.deployment.targets;

import java.io.File;

import org.eclipse.core.resources.IResource;

import org.eclipse.core.resources.ResourcesPlugin;

import org.eclipse.core.runtime.IPath;

import org.eclipse.core.runtime.IStatus;

import org.eclipse.core.runtime.Path;

import org.eclipse.core.runtime.Status;

import org.eclipse.jface.layout.GridDataFactory;

import org.eclipse.swt.SWT;

import org.eclipse.swt.events.ModifyEvent;

import org.eclipse.swt.events.ModifyListener;

import org.eclipse.swt.events.SelectionAdapter;

import org.eclipse.swt.events.SelectionEvent;

import org.eclipse.swt.layout.GridData;

import org.eclipse.swt.layout.GridLayout;

import org.eclipse.swt.widgets.Button;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Control;

import org.eclipse.swt.widgets.FileDialog;

import org.eclipse.swt.widgets.Label;

import org.eclipse.swt.widgets.Text;

import org.symbian.tools.mtw.ui.MTWCoreUI;

import org.symbian.tools.mtw.ui.deployment.IDeploymentTarget;

import org.symbian.tools.mtw.ui.deployment.ITargetDetailsPane;

public class LocalFileSystemPane implements ITargetDetailsPane {

    private Composite root;

    private Text location;

    private FilesystemDeploymentTarget target;

    private Context page;

    public void init(Context page) {

        this.page = page;

    }

    public void setTarget(IDeploymentTarget target) {

        this.target = (FilesystemDeploymentTarget) target;

        IPath path = this.target.getPath();

        String string;

        if (path == null) {

            string = "";

        } else {

            string = path.toOSString();

        }

        location.setText(string);

        page.revalidate();

    }

    public void createControl(Composite parent) {

        root = new Composite(parent, SWT.NONE);

        root.setLayout(new GridLayout(2, false));

        Label label = new Label(root, SWT.NONE);

        label.setText("File name:");

        GridDataFactory.generate(label, 2, 1);

        location = new Text(root, SWT.BORDER);

        location.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

        location.addModifyListener(new ModifyListener() {

            public void modifyText(ModifyEvent e) {

                page.revalidate();

            }

        });

        final Button button = new Button(root, SWT.NONE);

        button.setText("Browse...");

        button.addSelectionListener(new SelectionAdapter() {

            @Override

            public void widgetSelected(SelectionEvent e) {

                browse();

            }

        });

    }

    protected void browse() {

        final FileDialog dialog = new FileDialog(location.getShell(), SWT.SAVE);

        dialog.setText("Select Application Package Location");

        dialog.setFileName(target.getDefaultName());

        final IPath path = target.getPath();

        if (path != null) {

            dialog.setFilterPath(path.removeLastSegments(1).toOSString());

        }

        String newPath = dialog.open();

        if (newPath != null) {

            location.setText(newPath);

            page.revalidate();

        }

    }

    public IStatus validate() {

        target.setPath(null);

        String path = location.getText();

        if (path.trim().length() == 0) {

            return new Status(IStatus.ERROR, MTWCoreUI.PLUGIN_ID, "File name must be specified");

        } else {

            final File file = new File(path);

            if (!file.getParentFile().isDirectory()) {

                return new Status(IStatus.ERROR, MTWCoreUI.PLUGIN_ID, String.format("%s is not a valid folder",

                        file.getParent()));

            } else {

                IStatus status = ResourcesPlugin.getWorkspace().validateName(file.getName(), IResource.FILE);

                if (status.getSeverity() == IStatus.ERROR) {

                    return status;

                } else {

                    Path p = new Path(path.trim());

                    target.setPath(p);

                    if (p.toFile().exists()) {

                        return new Status(IStatus.WARNING, MTWCoreUI.PLUGIN_ID,

                                "Target file already exists. It will be overwritten.");

                    } else {

                        return status;

                    }

                }

            }

        }

    }

    public Control getControl() {

        return root;

    }

}