Java tutorial
/* * CommitmentsView.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.ArrayList; import java.util.List; import org.eclipse.draw2d.ColorConstants; import org.eclipse.emf.ecore.EObject; import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart; import org.eclipse.jface.action.IToolBarManager; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.SelectionChangedEvent; import org.eclipse.jface.viewers.StructuredSelection; import org.eclipse.swt.SWT; import org.eclipse.swt.custom.SashForm; import org.eclipse.swt.events.PaintEvent; import org.eclipse.swt.events.PaintListener; import org.eclipse.swt.graphics.Color; import org.eclipse.swt.graphics.GC; import org.eclipse.swt.graphics.Rectangle; import org.eclipse.swt.layout.FillLayout; import org.eclipse.swt.layout.FormAttachment; import org.eclipse.swt.layout.FormData; import org.eclipse.swt.layout.FormLayout; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.ISelectionListener; import org.eclipse.ui.IViewSite; import org.eclipse.ui.IWorkbenchPart; import org.eclipse.ui.PartInitException; import org.eclipse.ui.part.ViewPart; import eu.aniketos.wp1.ststool.Actor; import eu.aniketos.wp1.ststool.commitments.actions.CommitmentsFollowSelectionAction; import eu.aniketos.wp1.ststool.commitments.actions.CommitmentsRemoveAllFilterAction; import eu.aniketos.wp1.ststool.commitments.actions.CommitmentsRequesterFilterAction; import eu.aniketos.wp1.ststool.commitments.actions.CommitmentsRequirementFilterAction; import eu.aniketos.wp1.ststool.commitments.actions.CommitmentsResponsibleFilterAction; import eu.aniketos.wp1.ststool.commitments.actions.ExportSRSAction; import eu.aniketos.wp1.ststool.commitments.actions.FilterDropDownAction; import eu.aniketos.wp1.ststool.commitments.interfaces.ICommitment; import eu.aniketos.wp1.ststool.commitments.manager.CommitmentManager; import eu.aniketos.wp1.ststool.commitments.manager.ICommitmentListener; public class CommitmentsView extends ViewPart implements ISelectionListener, ICommitmentListener { private CommitmentTable table; private Text descriptionArea; private CommitmentsResponsibleFilterAction commitmentsDebtorFilterAction; private CommitmentsRequesterFilterAction commitmentsCreditorFilterAction; private CommitmentsRequirementFilterAction commitmentsReqTypeFilterAction; private FilterDropDownAction filterDropDownAction; private CommitmentsRemoveAllFilterAction commitmentsRemoveAllFilterAction; private ExportSRSAction exportSRSAction; /** * a flag indicating if the view listen for selection changes */ private boolean followSelection; /** * This is a callback that will allow us to create the viewer and initialize it. */ @Override public void createPartControl(Composite parent) { SashForm sashForm = new SashForm(parent, SWT.BORDER | SWT.VERTICAL); sashForm.setSashWidth(1); Composite tableComposite = new Composite(sashForm, SWT.NONE); tableComposite.setLayout(new FillLayout()); table = new CommitmentTable(tableComposite, SWT.SINGLE | SWT.FULL_SELECTION | SWT.H_SCROLL | SWT.V_SCROLL); table.addSelectionChangedListener(new ISelectionChangedListener() { @Override public void selectionChanged(SelectionChangedEvent event) { if (event.getSelection() instanceof StructuredSelection) { StructuredSelection s = (StructuredSelection) event.getSelection(); if (s.getFirstElement() instanceof ICommitment) { ICommitment c = (ICommitment) s.getFirstElement(); descriptionArea.setText(c.getDescritption()); } } } }); { Composite composite_1 = new Composite(sashForm, SWT.NONE); composite_1.setLayout(new FormLayout()); Label lblDescription = new Label(composite_1, SWT.NONE); FormData fd_lblDescription = new FormData(); fd_lblDescription.right = new FormAttachment(100, -10); fd_lblDescription.top = new FormAttachment(0, 10); fd_lblDescription.left = new FormAttachment(0, 10); lblDescription.setLayoutData(fd_lblDescription); lblDescription.setText("Description:"); Composite composite_2 = new Composite(composite_1, SWT.NONE); FormData fd_composite_2 = new FormData(); fd_composite_2.bottom = new FormAttachment(100, -10); fd_composite_2.right = new FormAttachment(100, -10); fd_composite_2.top = new FormAttachment(lblDescription, 6); fd_composite_2.left = new FormAttachment(0, 10); composite_2.setLayoutData(fd_composite_2); composite_2.setLayout(new FormLayout()); composite_2.addPaintListener(new BorderPainter()); descriptionArea = new Text(composite_2, SWT.NONE); descriptionArea.setBackground(descriptionArea.getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND)); FormData fd_text = new FormData(); int x = 3; fd_text.bottom = new FormAttachment(100, -x); fd_text.right = new FormAttachment(100, -x); fd_text.top = new FormAttachment(0, x); fd_text.left = new FormAttachment(0, x); descriptionArea.setLayoutData(fd_text); descriptionArea.setEditable(false); } sashForm.setWeights(new int[] { 1, 1 }); createViewPulldownMenu(); CommitmentManager cm = CommitmentManager.getManager(); cm.addCommitmentListener(this); } @Override public void init(IViewSite site) throws PartInitException { super.init(site); getSite().getWorkbenchWindow().getSelectionService().addSelectionListener(this); } @Override public void dispose() { getSite().getWorkbenchWindow().getSelectionService().removeSelectionListener(this); CommitmentManager cm = CommitmentManager.getManager(); cm.removeCommitmentListener(this); super.dispose(); } /** * Passing the focus request to the viewer's control. */ @Override public void setFocus() { table.getControl().setFocus(); } private void createViewPulldownMenu() { commitmentsDebtorFilterAction = new CommitmentsResponsibleFilterAction(this, "Responsible"); commitmentsReqTypeFilterAction = new CommitmentsRequirementFilterAction(this, "Requirement"); commitmentsCreditorFilterAction = new CommitmentsRequesterFilterAction(this, "Requester"); exportSRSAction = new ExportSRSAction(this); IToolBarManager menu = getViewSite().getActionBars().getToolBarManager(); menu.add(exportSRSAction); menu.add(new CommitmentsFollowSelectionAction(this)); filterDropDownAction = new FilterDropDownAction(); filterDropDownAction.add(commitmentsDebtorFilterAction); filterDropDownAction.add(commitmentsReqTypeFilterAction); filterDropDownAction.add(commitmentsCreditorFilterAction); menu.add(filterDropDownAction); commitmentsRemoveAllFilterAction = new CommitmentsRemoveAllFilterAction(this, "Remove all Filters"); menu.add(commitmentsRemoveAllFilterAction); } @Override public void selectionChanged(IWorkbenchPart part, ISelection selection) { if (!followSelection) return; if (selection instanceof IStructuredSelection) { IStructuredSelection s = (IStructuredSelection) selection; List<String> selectionPattern = new ArrayList<String>(); for (Object o : s.toArray()) { Actor a = resolveElement(o); if (a != null) selectionPattern.add(a.getName()); } if (selectionPattern.size() > 0) setActorsFilter(selectionPattern); else if (getActorsFilter() != null) setActorsFilter(null); } } private Actor resolveElement(Object e) { if (e == null) return null; if (e instanceof IGraphicalEditPart && ((IGraphicalEditPart) e).getPrimaryView() != null) { EObject eo = ((IGraphicalEditPart) e).getPrimaryView().getElement(); if (eo instanceof Actor) { return (Actor) eo; } } return null; } public void followSelection(boolean follow) { this.followSelection = follow; if (follow) { filterDropDownAction.setEnabled(false); commitmentsRemoveAllFilterAction.setEnabled(false); } else { filterDropDownAction.setEnabled(true); commitmentsRemoveAllFilterAction.setEnabled(true); //CommitmentManager cm=CommitmentManager.getManager(); //table.setInput(cm.getAllCommitments().toArray()); } removeAllFilter(); } @Override public void refreshCommitments() { table.refresh(); } @Override public void commitmentsChanged(final List<ICommitment> commitments) { table.setInput(commitments); descriptionArea.setText(""); if (exportSRSAction.isEnabled() && CommitmentManager.getManager().getDiagram() == null) exportSRSAction.setEnabled(false); else if (!exportSRSAction.isEnabled() && CommitmentManager.getManager().getDiagram() != null) exportSRSAction.setEnabled(true); } //--------------------------FILTER OPERATIONS------------------------- public void removeAllFilter() { setDebtorFilter(null); setCreditorFilter(null); setReqTypeFilter(null); setActorsFilter(null); } public void setDebtorFilter(String pattern) { if (pattern == null || pattern.equals("")) { commitmentsDebtorFilterAction.setChecked(false); } else commitmentsDebtorFilterAction.setChecked(true); table.setFilter(CommitmentTable.FILTER_DEBTOR, pattern); } public void setCreditorFilter(String pattern) { if (pattern == null || pattern.equals("")) commitmentsCreditorFilterAction.setChecked(false); else commitmentsCreditorFilterAction.setChecked(true); table.setFilter(CommitmentTable.FILTER_CREDITOR, pattern); } public void setReqTypeFilter(String pattern) { if (pattern == null || pattern.equals("")) commitmentsReqTypeFilterAction.setChecked(false); else commitmentsReqTypeFilterAction.setChecked(true); table.setFilter(CommitmentTable.FILTER_REQTYPE, pattern); } public void setActorsFilter(List<String> pattern) { table.setFilter(CommitmentTable.FILTER_ACTORS, pattern); } public String getDebtorFilterPattern() { return table.getFilterPattern(CommitmentTable.FILTER_DEBTOR).toString(); } public String getCreditorFilterPattern() { return table.getFilterPattern(CommitmentTable.FILTER_CREDITOR).toString(); } public String getReqTypeFilterPattern() { return table.getFilterPattern(CommitmentTable.FILTER_REQTYPE).toString(); } public List<String> getActorsFilter() { return (List<String>) table.getFilterPattern(CommitmentTable.FILTER_ACTORS); } private class BorderPainter implements PaintListener { public void paintControl(PaintEvent e) { GC gc = e.gc; Rectangle rect = new Rectangle(e.x, e.y, e.width - 1, e.height - 1); int lineS = gc.getLineStyle(); int lined[] = gc.getLineDash(); Color c = gc.getForeground(); gc.setLineStyle(SWT.LINE_DASH); gc.setLineDash(new int[] { 3, 2 }); gc.setForeground(ColorConstants.darkGray); gc.drawRectangle(rect); gc.setLineStyle(lineS); gc.setLineDash(lined); gc.setForeground(c); } } }