e4x.parts.NoGlazedListsPart.java Source code

Introduction

Here is the source code for e4x.parts.NoGlazedListsPart.java

Source

/*******************************************************************************
 * Copyright (c) 2010 - 2013 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:
 *     IBM Corporation - initial API and implementation
 *     Lars Vogel <lars.Vogel@gmail.com> - Bug 419770
 *******************************************************************************/
package e4x.parts;

import java.io.IOException;
import java.nio.file.DirectoryStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;

import javax.annotation.PostConstruct;
import javax.inject.Inject;

import org.eclipse.e4.ui.di.Focus;
import org.eclipse.e4.ui.di.Persist;
import org.eclipse.e4.ui.model.application.ui.MDirtyable;
import org.eclipse.jface.viewers.ColumnLabelProvider;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TableViewerColumn;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
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.Composite;
import org.eclipse.swt.widgets.Table;

public class NoGlazedListsPart {

    @Inject
    private MDirtyable dirty;

    @PostConstruct
    public void createComposite(Composite parent) {
        GridLayout layout = new GridLayout(1, false);
        layout.marginHeight = 0;
        layout.marginWidth = 0;

        parent.setLayout(layout);

        Path directory = Paths.get(System.getProperty("user.home"));
        DirectoryStream.Filter<Path> filter = new DirectoryStream.Filter<Path>() {
            @Override
            public boolean accept(Path path) throws IOException {
                return !Files.isHidden(path) && Files.isReadable(path);
            }
        };

        List<Path> pathList = new ArrayList<Path>();
        try (DirectoryStream<Path> directoryStream = Files.newDirectoryStream(directory, filter)) {
            for (Path path : directoryStream) {
                pathList.add(path);
            }
        } catch (IOException ex) {
        }

        TableViewer v = new TableViewer(parent,
                SWT.NONE | SWT.V_SCROLL | SWT.H_SCROLL | SWT.VIRTUAL | SWT.FULL_SELECTION | SWT.SINGLE);
        v.getTable().setLayoutData(new GridData(GridData.FILL_BOTH));

        class MyContentProvider implements IStructuredContentProvider {
            @Override
            public void dispose() {
                // TODO Auto-generated method stub

            }

            @Override
            public void inputChanged(Viewer arg0, Object arg1, Object arg2) {
                // TODO Auto-generated method stub

            }

            @Override
            public Object[] getElements(Object arg0) {
                return pathList.toArray();
            }
        }
        v.setContentProvider(new MyContentProvider());
        v.setInput(pathList);
        MyViewerComparator comparator = new MyViewerComparator();
        v.setComparator(comparator);

        TableViewerColumn colFirstName = new TableViewerColumn(v, SWT.NONE);
        colFirstName.getColumn().setMoveable(true);
        colFirstName.getColumn().setWidth(200);
        colFirstName.getColumn().setText("Filename");
        colFirstName.setLabelProvider(new ColumnLabelProvider() {
            @Override
            public String getText(Object element) {
                Path p = (Path) element;
                return p.getFileName().toString();
            }
        });

        TableViewerColumn colFirstId = new TableViewerColumn(v, SWT.NONE);
        colFirstId.getColumn().setMoveable(true);
        colFirstId.getColumn().setWidth(200);
        colFirstId.getColumn().setText("Size");
        colFirstId.setLabelProvider(new ColumnLabelProvider() {
            @Override
            public String getText(Object element) {
                Path p = (Path) element;
                try {
                    if (Files.isDirectory(p)) {
                        return "";
                    }
                    return "" + Files.size(p);
                } catch (IOException e) {
                    return "";
                }
            }
        });
        colFirstId.getColumn().addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {
                comparator.setColumn(1);
                int dir = comparator.getDirection();
                v.getTable().setSortDirection(dir);
                v.getTable().setSortColumn(colFirstId.getColumn());
                v.refresh();
            }
        });

        final Table table = v.getTable();
        table.setHeaderVisible(true);
        table.setLinesVisible(true);

    }

    public static int BASE = 0;
    public static int EXTENSION = 1;

    private String[] getFilename(Path path) {
        return ("" + path.getFileName()).split("\\.(?=[^\\.]+$)");
    }

    @Focus
    public void setFocus() {

    }

    @Persist
    public void save() {
        dirty.setDirty(false);
    }
}