/*
 * Copyright (C) 2007 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.ide.eclipse.ddms.views;

import com.android.ddmlib.Client;
import com.android.ddmlib.Device;
import com.android.ddmuilib.explorer.DeviceExplorer;
import com.android.ide.eclipse.ddms.CommonAction;
import com.android.ide.eclipse.ddms.DdmsPlugin;
import com.android.ide.eclipse.ddms.DdmsPlugin.ISelectionListener;

import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.IToolBarManager;
import org.eclipse.jface.action.Separator;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.ISharedImages;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.part.ViewPart;

public class FileExplorerView extends ViewPart implements ISelectionListener {

    public static final String ID =
        "com.android.ide.eclipse.ddms.views.FileExplorerView"; //$NON-NLS-1$

    private final static String COLUMN_NAME =
        DdmsPlugin.PLUGIN_ID + ".explorer.name"; //$NON-NLS-1S
    private final static  String COLUMN_SIZE =
        DdmsPlugin.PLUGIN_ID + ".explorer.size"; //$NON-NLS-1S
    private final static String COLUMN_DATE =
        DdmsPlugin.PLUGIN_ID + ".explorer.data"; //$NON-NLS-1S
    private final static String COLUMN_TIME =
        DdmsPlugin.PLUGIN_ID + ".explorer.time"; //$NON-NLS-1S
    private final static String COLUMN_PERMISSIONS =
        DdmsPlugin.PLUGIN_ID +".explorer.permissions"; //$NON-NLS-1S
    private final static String COLUMN_INFO =
        DdmsPlugin.PLUGIN_ID + ".explorer.info"; //$NON-NLS-1$

    private DeviceExplorer mExplorer;

    public FileExplorerView() {
    }

    @Override
    public void createPartControl(Composite parent) {
        DeviceExplorer.COLUMN_NAME = COLUMN_NAME;
        DeviceExplorer.COLUMN_SIZE = COLUMN_SIZE;
        DeviceExplorer.COLUMN_DATE = COLUMN_DATE;
        DeviceExplorer.COLUMN_TIME = COLUMN_TIME;
        DeviceExplorer.COLUMN_PERMISSIONS = COLUMN_PERMISSIONS;
        DeviceExplorer.COLUMN_INFO = COLUMN_INFO;

        // device explorer
        mExplorer = new DeviceExplorer();


        mExplorer.setImages(PlatformUI.getWorkbench()
                .getSharedImages().getImage(ISharedImages.IMG_OBJ_FILE),
                PlatformUI.getWorkbench() .getSharedImages().getImage(
                        ISharedImages.IMG_OBJ_FOLDER),
                DdmsPlugin.getImageLoader().loadDescriptor("android.png") //$NON-NLS-1$
                        .createImage(),
                PlatformUI.getWorkbench() .getSharedImages().getImage(
                        ISharedImages.IMG_OBJ_ELEMENT));

        // creates the actions
        CommonAction pushAction = new CommonAction("Push File...") {
            @Override
            public void run() {
                mExplorer.pushIntoSelection();
            }
        };
        pushAction.setToolTipText("Push a file onto the device");
        pushAction.setImageDescriptor(DdmsPlugin.getImageLoader()
                .loadDescriptor("push.png")); //$NON-NLS-1$
        pushAction.setEnabled(false);

        CommonAction pullAction = new CommonAction("Pull File...") {
            @Override
            public void run() {
                mExplorer.pullSelection();
            }
        };
        pullAction.setToolTipText("Pull a file from the device");
        pullAction.setImageDescriptor(DdmsPlugin.getImageLoader()
                .loadDescriptor("pull.png")); //$NON-NLS-1$
        pullAction.setEnabled(false);

        CommonAction deleteAction = new CommonAction("Delete") {
            @Override
            public void run() {
                mExplorer.deleteSelection();
            }
        };
        deleteAction.setToolTipText("Delete the selection");
        deleteAction.setImageDescriptor(DdmsPlugin.getImageLoader()
                .loadDescriptor("delete.png")); //$NON-NLS-1$
        deleteAction.setEnabled(false);

        // set up the actions in the explorer
        mExplorer.setActions(pushAction, pullAction, deleteAction);

        // and in the ui
        IActionBars actionBars = getViewSite().getActionBars();
        IMenuManager menuManager = actionBars.getMenuManager();
        IToolBarManager toolBarManager = actionBars.getToolBarManager();

        menuManager.add(pullAction);
        menuManager.add(pushAction);
        menuManager.add(new Separator());
        menuManager.add(deleteAction);

        toolBarManager.add(pullAction);
        toolBarManager.add(pushAction);
        toolBarManager.add(new Separator());
        toolBarManager.add(deleteAction);
        
        mExplorer.createPanel(parent);

        DdmsPlugin.getDefault().addSelectionListener(this);
    }

    @Override
    public void setFocus() {
        mExplorer.setFocus();
    }

    /**
     * Sent when a new {@link Client} is selected.
     * @param selectedClient The selected client.
     */
    public void selectionChanged(Client selectedClient) {
        // pass
    }
    
    /**
     * Sent when a new {@link Device} is selected.
     * @param selectedDevice the selected device.
     */
    public void selectionChanged(Device selectedDevice) {
        mExplorer.switchDevice(selectedDevice);
    }
    
    /**
     * Sent when there is no current selection.
     */
    public void selectionRemoved() {
        
    }

}