Java tutorial
/* * CommitmentTable.java * * This file is part of the STS-Tool project. * Copyright (c) 2011-2012 "University of Trento - DISI" All rights reserved. * * Is strictly forbidden to remove this copyright notice from this source code. * * Disclaimer of Warranty: * STS-Tool (this software) is provided "as-is" and without warranty of any kind, * express, implied or otherwise, including without limitation, any warranty of * merchantability or fitness for a particular purpose. * In no event shall the copyright holder or contributors be liable for any direct, * indirect, incidental, special, exemplary, or consequential damages * including, but not limited to, procurement of substitute goods or services; * loss of use, data, or profits; or business interruption) however caused and on * any theory of liability, whether in contract, strict liability, or tort (including * negligence or otherwise) arising in any way out of the use of this software, even * if advised of the possibility of such damage. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License version 3 * as published by the Free Software Foundation with the addition of the * following permission added to Section 15 as permitted in Section 7(a): * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY * "University of Trento - DISI","University of Trento - DISI" DISCLAIMS THE * WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS. * * See the GNU Affero General Public License for more details. * You should have received a copy of the GNU Affero General Public License * along with this program; if not, see http://www.gnu.org/licenses or write to * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA, 02110-1301 USA, or download the license from the following URL: * http://www.sts-tool.eu/License.php * * For more information, please contact STS-Tool group at this * address: ststool@disi.unitn.it * */ package eu.aniketos.wp1.ststool.commitments.view.part; import java.util.Arrays; import java.util.Comparator; import java.util.List; import org.eclipse.jface.viewers.ArrayContentProvider; import org.eclipse.jface.viewers.IColorProvider; import org.eclipse.jface.viewers.ITableLabelProvider; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.graphics.Color; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.graphics.RGB; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Table; import org.eclipse.swt.widgets.TableColumn; import org.eclipse.swt.widgets.Widget; import eu.aniketos.wp1.ststool.commitments.filters.CommitmentActorsFilter; import eu.aniketos.wp1.ststool.commitments.filters.CommitmentCreditorFilter; import eu.aniketos.wp1.ststool.commitments.filters.CommitmentDebtorFilter; import eu.aniketos.wp1.ststool.commitments.filters.CommitmentReqTypeFilter; import eu.aniketos.wp1.ststool.commitments.interfaces.ICommitment; import eu.aniketos.wp1.ststool.commitments.sorter.CommitmentSorter; public class CommitmentTable extends TableViewer { final static int FILTER_CREDITOR = 0; final static int FILTER_DEBTOR = 1; final static int FILTER_REQTYPE = 2; final static int FILTER_ACTORS = 3; private TableColumn fakeFisrstColumn; private TableColumn debtorColumn; private TableColumn creditorColumn; private TableColumn antecedentColumn; private TableColumn reqTypeColumn; private TableColumn descriptionColumn; private CommitmentSorter sorter; private CommitmentDebtorFilter debtorFilter; private CommitmentCreditorFilter creditorFilter; private CommitmentReqTypeFilter reqTypeFilter; private CommitmentActorsFilter actorsFilter; public CommitmentTable(Composite parent, int style) { super(parent, style); init(parent); } public CommitmentTable(Composite parent) { super(parent); init(parent); } protected void init(Composite parent) { final Table table = getTable(); /** disable the row selection */ table.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { //table.setSelection(-1); } }); table.setHeaderVisible(true); table.setLinesVisible(true); initColum(); setContentProvider(new ArrayContentProvider()); setLabelProvider(new CommitmentLabelProvider()); createTableSorter(); buildFilter(); } private void initColum() { final Table table = getTable(); fakeFisrstColumn = new TableColumn(table, SWT.CENTER); fakeFisrstColumn.setText(""); fakeFisrstColumn.setWidth(0); fakeFisrstColumn.setMoveable(false); fakeFisrstColumn.setResizable(false); debtorColumn = new TableColumn(table, SWT.CENTER); debtorColumn.setText("Responsible"); debtorColumn.setWidth(300); debtorColumn.setMoveable(true); reqTypeColumn = new TableColumn(table, SWT.LEFT); reqTypeColumn.setText("Requirement"); reqTypeColumn.setWidth(600); reqTypeColumn.setMoveable(true); creditorColumn = new TableColumn(table, SWT.CENTER); creditorColumn.setText("Requester"); creditorColumn.setWidth(300); creditorColumn.setMoveable(true); } private void createTableSorter() { Comparator<ICommitment> debtorComparator = new Comparator<ICommitment>() { @Override public int compare(ICommitment c1, ICommitment c2) { return c1.getResponsible().compareTo(c2.getResponsible()); } }; Comparator<ICommitment> creditorComparator = new Comparator<ICommitment>() { public int compare(ICommitment c1, ICommitment c2) { return c1.getRequester().compareTo(c2.getRequester()); } }; Comparator<ICommitment> reqTypeComparator = new Comparator<ICommitment>() { public int compare(ICommitment c1, ICommitment c2) { return c1.getReqisite().compareTo(c2.getReqisite()); } }; sorter = new CommitmentSorter(this, new TableColumn[] { debtorColumn, creditorColumn, reqTypeColumn }, new Comparator[] { debtorComparator, creditorComparator, reqTypeComparator }, debtorColumn); this.setSorter(sorter); } private void buildFilter() { debtorFilter = new CommitmentDebtorFilter(this); creditorFilter = new CommitmentCreditorFilter(this); reqTypeFilter = new CommitmentReqTypeFilter(this); actorsFilter = new CommitmentActorsFilter(this); } public void setFilter(int filter, Object pattern) { switch (filter) { case FILTER_CREDITOR: creditorFilter.setPattern((String) pattern); return; case FILTER_DEBTOR: debtorFilter.setPattern((String) pattern); return; case FILTER_REQTYPE: reqTypeFilter.setPattern((String) pattern); return; case FILTER_ACTORS: actorsFilter.setPattern((List<String>) pattern); return; } } public Object getFilterPattern(int filter) { switch (filter) { case FILTER_CREDITOR: return creditorFilter.getPattern(); case FILTER_DEBTOR: return debtorFilter.getPattern(); case FILTER_REQTYPE: return reqTypeFilter.getPattern(); case FILTER_ACTORS: return actorsFilter.getPattern(); } return null; } @Override protected void doUpdateItem(Widget widget, Object element, boolean fullMap) { super.doUpdateItem(widget, element, fullMap); } class CommitmentLabelProvider extends LabelProvider implements ITableLabelProvider, IColorProvider { @Override public Image getColumnImage(Object element, int columnIndex) { return null; } @Override public String getColumnText(Object element, int columnIndex) { if (!(element instanceof ICommitment)) return "Invalid Object " + element.getClass().getSimpleName(); ICommitment commit = (ICommitment) element; TableColumn t = getTable().getColumn(columnIndex); if (t == fakeFisrstColumn) { return ""; } else if (t == debtorColumn) { return commit.getResponsible(); } else if (t == creditorColumn) { return commit.getRequester(); } else if (t == antecedentColumn) { return ""/*commit.getAntecedent()*/; } else if (t == reqTypeColumn) { return commit.getReqisite(); } else if (t == descriptionColumn) { return commit.getDescritption(); } else return "unknown column" + columnIndex; } boolean color = true; private int call = 0; @Override public Color getBackground(Object element) { if (call++ % getTable().getColumnCount() == 0) { List list = Arrays.asList(getSortedChildren(getInput())); int index = list.indexOf(element); if (index == 0) { color = true; } else { ICommitment pervRow = (ICommitment) list.get(index - 1); TableColumn col = sorter.getSortingColumn(); if (col == debtorColumn) { if (!pervRow.getResponsible().equals(((ICommitment) element).getResponsible())) color = !color; } else if (col == creditorColumn) { if (!pervRow.getRequester().equals(((ICommitment) element).getRequester())) color = !color; } else if (col == reqTypeColumn) { if (!pervRow.getClass().equals(element.getClass())) color = !color; } else return null; } } if (color) { return color1; } else { return null; } } @Override public Color getForeground(Object element) { return null; } Color color1 = new Color(Display.getDefault(), new RGB(215, 227, 253)); //Color color2=new Color(Display.getDefault(),new RGB(red, green, blue)); @Override public void dispose() { super.dispose(); color1.dispose(); } } }