Java tutorial
/*********************************************************************************** * Ubiquisense - A smart ambient utilities framework * * Copyright (c) 2013, Lucas Bigeardel * * The library is released under: * * A) LGPL * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 3 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General * Public License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301 USA * * B) EPL * * 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: * Lucas Bigeardel <lucas.bigeardel@gmail.com> - Initial API and implementation ***********************************************************************************/ package net.sf.smbt.ui.btc.wallet.editor; import java.math.BigInteger; import java.text.SimpleDateFormat; import net.sf.smbt.ui.btc.wallet.misc.GUIToolkit; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Status; import org.eclipse.jface.layout.GridDataFactory; import org.eclipse.jface.layout.GridLayoutFactory; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.jface.viewers.StyledCellLabelProvider; import org.eclipse.jface.viewers.TreeViewer; import org.eclipse.jface.viewers.TreeViewerColumn; import org.eclipse.jface.viewers.ViewerCell; import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Color; import org.eclipse.swt.graphics.Font; import org.eclipse.swt.graphics.RGB; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.TreeColumn; import org.eclipse.ui.progress.UIJob; import com.google.bitcoin.core.Address; import com.google.bitcoin.core.ScriptException; import com.google.bitcoin.core.Transaction; import com.google.bitcoin.core.TransactionInput; import com.google.bitcoin.core.Utils; public class ReceiveBTCPage extends AbstractBTCFormPage { SimpleDateFormat HH_MM_SS_DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS"); private Color lightBlue = new Color(Display.getDefault(), new RGB(0, 191, 255)); private Font medFont = new Font(Display.getDefault(), "tahoma", 14, SWT.BOLD); private TreeViewer lastReceiveTreeViewer; public ReceiveBTCPage(BitcoinWalletEditor editor, String id, String title) { super(editor, id, title); } @Override public void createContents(Composite parent) { Composite container = new Composite(parent, SWT.NONE); container.setLayout(GridLayoutFactory.fillDefaults().create()); container.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create()); container.setBackground(GUIToolkit.BG); container.setForeground(lightBlue); lastReceiveTreeViewer = new TreeViewer(container); lastReceiveTreeViewer.getControl().setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create()); lastReceiveTreeViewer.getControl().setFont(medFont); lastReceiveTreeViewer.getControl().setBackground(GUIToolkit.BG); lastReceiveTreeViewer.getControl().setForeground(lightBlue); lastReceiveTreeViewer.setLabelProvider(new LabelProvider()); lastReceiveTreeViewer.setContentProvider(new BicoinWalletTransactionsContentProvider()); lastReceiveTreeViewer.getTree().setHeaderVisible(true); lastReceiveTreeViewer.getTree().setLinesVisible(true); lastReceiveTreeViewer.setInput(getWallet()); createTradeTableViewerColumn("Date", 200, lastReceiveTreeViewer); createTradeTableViewerColumn("Amount", 120, lastReceiveTreeViewer); createTradeTableViewerColumn("Address", 220, lastReceiveTreeViewer); } private TreeViewerColumn createTradeTableViewerColumn(String title, int bound, TreeViewer tv) { final TreeViewerColumn viewerColumn = new TreeViewerColumn(tv, SWT.NONE); final TreeColumn column = viewerColumn.getColumn(); column.setText(title); column.setWidth(bound); column.setResizable(true); column.setMoveable(true); viewerColumn.setLabelProvider(new StyledCellLabelProvider() { @Override public void update(ViewerCell cell) { try { super.update(cell); Transaction tx = (Transaction) cell.getElement(); TransactionInput input = tx.getInputs().get(0); Address from = input.getFromAddress(); BigInteger value = tx.getValueSentToMe(getWallet()); /* */ if (cell.getColumnIndex() == 0) { // Date cell.setText(HH_MM_SS_DATE_FORMAT.format(tx.getUpdateTime())); } else if (cell.getColumnIndex() == 1) { // Amount cell.setText(Utils.bitcoinValueToFriendlyString(value)); } else if (cell.getColumnIndex() == 2) { // Address{ cell.setText(from.toString()); } } catch (ScriptException e) { e.printStackTrace(); } } }); return viewerColumn; } @Override public void refreshFromWallet() { new RefreshJob().schedule(); } class RefreshJob extends UIJob { public RefreshJob() { super("Refresh from wallet"); setPriority(INTERACTIVE); setSystem(true); } @Override public IStatus runInUIThread(IProgressMonitor monitor) { if (lastReceiveTreeViewer != null && !lastReceiveTreeViewer.getControl().isDisposed()) { lastReceiveTreeViewer.refresh(true); } return Status.OK_STATUS; } } }