no.itpr.parser.handlers.FileTreeView.java Source code

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Here is the source code for no.itpr.parser.handlers.FileTreeView.java

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/*
 * Copyright (c) 2013, Alex Blewitt, Bandlem Ltd
 * Copyright (c) 2013, Packt Publishing Ltd
 *
 * 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
 */
package no.itpr.parser.handlers;

import java.io.File;
import java.net.URL;
import java.text.DateFormat;
import java.util.TimeZone;

import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jface.resource.FontRegistry;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.ImageRegistry;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.resource.LocalResourceManager;
import org.eclipse.jface.resource.ResourceManager;
import org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider;
import org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider.IStyledLabelProvider;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.TreeViewerColumn;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.internal.dialogs.ViewContentProvider;
import org.eclipse.ui.part.ViewPart;
import org.osgi.framework.Bundle;
import org.osgi.framework.FrameworkUtil;

import no.itpr.parser.handlers.internal.FileDialog;
import no.itpr.parser.handlers.internal.TimeZoneComparator;
import no.itpr.parser.handlers.internal.TimeZoneDialog;
import no.itpr.parser.handlers.internal.TimeZoneSelectionListener;
import no.itpr.parser.handlers.internal.TimeZoneViewerComparator;
import no.itpr.parser.handlers.internal.TimeZoneViewerFilter;

public class FileTreeView extends ViewPart {
    private TreeViewer treeViewer;
    private static final DateFormat dateFormat = DateFormat.getDateInstance();
    private TimeZoneSelectionListener selectionListener;

    public void createPartControl(Composite parent) {
        treeViewer = new TreeViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
        treeViewer.setContentProvider(new FiletreeContentProvider());
        treeViewer.getTree().setHeaderVisible(true);
        treeViewer.getTree().setLinesVisible(true);
        TreeViewerColumn mainColumn = new TreeViewerColumn(treeViewer, SWT.NONE);
        mainColumn.getColumn().setText("Name");
        mainColumn.getColumn().setWidth(300);
        mainColumn.setLabelProvider(new DelegatingStyledCellLabelProvider(
                (IStyledLabelProvider) new FileLabelProvider(createImageDescriptor())));

        TreeViewerColumn modifiedColumn = new TreeViewerColumn(treeViewer, SWT.NONE);
        modifiedColumn.getColumn().setText("Last Modified");
        modifiedColumn.getColumn().setWidth(100);
        modifiedColumn.getColumn().setAlignment(SWT.RIGHT);
        modifiedColumn.setLabelProvider(new DelegatingStyledCellLabelProvider(
                (IStyledLabelProvider) new FileModifiedLabelProvider(dateFormat)));

        TreeViewerColumn fileSizeColumn = new TreeViewerColumn(treeViewer, SWT.NONE);
        fileSizeColumn.getColumn().setText("Size");
        fileSizeColumn.getColumn().setWidth(100);
        fileSizeColumn.getColumn().setAlignment(SWT.RIGHT);
        fileSizeColumn.setLabelProvider(new DelegatingStyledCellLabelProvider(new FileSizeLabelProvider()));

        treeViewer.addDoubleClickListener(new IDoubleClickListener() {
            public void doubleClick(DoubleClickEvent event) {
                Viewer viewer = event.getViewer();
                Shell shell = viewer.getControl().getShell();
                ISelection sel = viewer.getSelection();
                Object selectedValue;
                if (!(sel instanceof IStructuredSelection) || sel.isEmpty()) {
                    selectedValue = null;
                } else {
                    selectedValue = ((IStructuredSelection) sel).getFirstElement();
                }
                if (selectedValue instanceof File) {
                    File selectedFile = (File) selectedValue;
                    new FileDialog(shell, selectedFile).open();
                }
            }
        });
        //        treeViewer.getContentProvider()
        File[] files = File.listRoots();
        File[] otherFiles = { files[0] };
        File fileC = files[0];
        treeViewer.setInput(otherFiles);

        //       String tree = treeViewer.getTree().getData().toString();
        System.out.println("List roots: " + fileC.getAbsolutePath());
    }

    private ImageDescriptor createImageDescriptor() {
        Bundle bundle = FrameworkUtil.getBundle(FileLabelProvider.class);
        //          Path path = (Path) Paths.get("icons/folder.png");
        URL url = FileLocator.find(bundle, (IPath) new Path("icons/folder.png"), null);
        return ImageDescriptor.createFromURL(url);
    }

    public void setFocus() {
        treeViewer.getControl().setFocus();
    }

    @Override
    public void dispose() {
        if (selectionListener != null) {
            getSite().getWorkbenchWindow().getSelectionService().removeSelectionListener(selectionListener);
            selectionListener = null;
        }
        super.dispose();
    }
}