bundles/org.simantics.issues.ui/src/org/simantics/issues/ui/handler/MenuActions.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2011 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.issues.ui.handler;
  13
  14 import java.util.ArrayList;
  15 import java.util.Arrays;
  16 import java.util.List;
  17
  18 import org.eclipse.jface.action.ActionContributionItem;
  19 import org.eclipse.jface.action.ContributionItem;
  20 import org.eclipse.jface.action.IAction;
  21 import org.eclipse.jface.action.IContributionItem;
  22 import org.eclipse.jface.resource.ImageDescriptor;
  23 import org.eclipse.jface.viewers.ISelection;
  24 import org.eclipse.swt.SWT;
  25 import org.eclipse.swt.events.SelectionAdapter;
  26 import org.eclipse.swt.events.SelectionEvent;
  27 import org.eclipse.swt.widgets.Menu;
  28 import org.eclipse.swt.widgets.MenuItem;
  29 import org.simantics.Simantics;
  30 import org.simantics.db.ReadGraph;
  31 import org.simantics.db.Resource;
  32 import org.simantics.db.WriteGraph;
  33 import org.simantics.db.common.request.WriteRequest;
  34 import org.simantics.db.exception.DatabaseException;
  35 import org.simantics.db.layer0.SelectionHints;
  36 import org.simantics.issues.Severity;
  37 import org.simantics.issues.common.IssueConstants;
  38 import org.simantics.issues.common.IssueUtils;
  39 import org.simantics.issues.ontology.IssueResource;
  40 import org.simantics.issues.ui.internal.Activator;
  41 import org.simantics.ui.contribution.DynamicMenuContribution;
  42 import org.simantics.utils.ui.ErrorLogger;
  43 import org.simantics.utils.ui.ISelectionUtils;
  44
  45 /**
  46  * @author Tuukka Lehtonen
  47  */
  48 public class MenuActions extends DynamicMenuContribution {
  49
  50     @Override
  51     protected Object[] getSelectedObjects() {
  52         ISelection sel = getSelection();
  53         List<Resource> resources = ISelectionUtils.getPossibleKeys(sel, SelectionHints.KEY_MAIN, Resource.class);
  54         return resources.toArray();
  55     }
  56
  57     List<Resource> toResources(Object[] array) {
  58         Resource[] a = new Resource[array.length];
  59         for (int i = 0; i < array.length; ++i)
  60             a[i] = (Resource) array[i];
  61         return Arrays.asList(a);
  62     }
  63
  64     @Override
  65     protected IContributionItem[] getContributionItems(ReadGraph graph, Object[] selection) throws DatabaseException {
  66         if (selection.length == 0)
  67             return new IContributionItem[0];
  68
  69         List<Resource> input = toResources(selection);
  70
  71         @SuppressWarnings("unused")
  72         boolean issues = false;
  73         @SuppressWarnings("unused")
  74         boolean userIssues = false;
  75
  76         IssueResource ISSUE = IssueResource.getInstance(graph);
  77         int issueCount = 0;
  78         int hiddenCount = 0;
  79         int resolvedCount = 0;
  80         int userIssueCount = 0;
  81         for (Resource r : input) {
  82             boolean isIssue = graph.isInstanceOf(r, ISSUE.Issue);
  83             issues |= isIssue;
  84             if (isIssue) {
  85                 ++issueCount;
  86                 if (graph.hasStatement(r, ISSUE.Hidden))
  87                     ++hiddenCount;
  88                 if (graph.hasStatement(r, ISSUE.Resolved))
  89                     ++resolvedCount;
  90             }
  91
  92             boolean userIssue = graph.hasStatement(r, ISSUE.UserIssue);
  93             userIssues |= userIssue;
  94             if (userIssue) {
  95                 ++userIssueCount;
  96             }
  97         }
  98         boolean allHidden = hiddenCount == selection.length;
  99         boolean allResolved = resolvedCount == selection.length;
 100         boolean allUserIssues = userIssueCount == selection.length;
 101         boolean allIssueSelection = issueCount == selection.length;
 102
 103         List<IContributionItem> actions = new ArrayList<IContributionItem>(2);
 104         if (!allHidden && allIssueSelection)
 105             actions.add(new ActionContributionItem(hideAction(input)));
 106         if (hiddenCount > 0 || allHidden && allIssueSelection)
 107             actions.add(new ActionContributionItem(unhideAction(input)));
 108         if (!allResolved && allIssueSelection)
 109             actions.add(new ActionContributionItem(resolveAction(input)));
 110         if (resolvedCount > 0 || allResolved && allIssueSelection)
 111             actions.add(new ActionContributionItem(unresolveAction(input)));
 112         if (allUserIssues)
 113             actions.add(setSeverityAction(input));
 114
 115         return actions.toArray(new IContributionItem[actions.size()]);
 116     }
 117
 118     private IAction unhideAction(List<Resource> input) {
 119         return tagAction(Messages.MenuActions_Unhide, Activator.UNHIDE_ICON, IssueResource.URIs.Hidden, false, input);
 120     }
 121
 122     private IAction hideAction(List<Resource> input) {
 123         return tagAction(Messages.MenuActions_Hide, Activator.HIDE_ICON, IssueResource.URIs.Hidden, true, input);
 124     }
 125
 126     private IAction resolveAction(List<Resource> input) {
 127         return tagAction(Messages.MenuActions_MarkResolved, Activator.RESOLVE_ICON, IssueResource.URIs.Resolved, true, input);
 128     }
 129
 130     private IAction unresolveAction(List<Resource> input) {
 131         return tagAction(Messages.MenuActions_MarkUnresolved, Activator.UNRESOLVE_ICON, IssueResource.URIs.Resolved, false, input);
 132     }
 133
 134     private IAction tagAction(String label, ImageDescriptor image, String tagURI, boolean tag, List<Resource> input) {
 135         return new TagAction(label, image, IssueConstants.ISSUE_VG, tagURI, tag, input);
 136         //return new TagAction(label, image, null, tagURI, tag, input);
 137     }
 138
 139     private IContributionItem setSeverityAction(final List<Resource> userIssues) {
 140         return new ContributionItem() {
 141             @Override
 142             public void fill(Menu menu, int index) {
 143                 MenuItem setSeverityItem = new MenuItem(menu, SWT.CASCADE);
 144                 setSeverityItem.setText(Messages.MenuActions_SetSeverity);
 145                 Menu setSeverity = new Menu(menu);
 146                 setSeverityItem.setMenu(setSeverity);
 147                 for (final Severity sev : Severity.values()) {
 148                     if (sev.equals(Severity.UNKNOWN))
 149                         continue;
 150
 151                     MenuItem item = new MenuItem(setSeverity, SWT.PUSH);
 152                     item.setText(sev.toString().toLowerCase());
 153                     item.setImage(Activator.getDefault().getImageRegistry().get(sev.toString() + "-full")); //$NON-NLS-1$
 154                     item.addSelectionListener(new SelectionAdapter() {
 155                         @Override
 156                         public void widgetSelected(SelectionEvent e) {
 157                             setSeverity(userIssues, sev);
 158                         }
 159                     });
 160                 }
 161             }
 162         };
 163     }
 164
 165     private void setSeverity(final List<Resource> userIssues, final Severity severity) {
 166         Simantics.getSession().asyncRequest(new WriteRequest() {
 167             @Override
 168             public void perform(WriteGraph graph) throws DatabaseException {
 169                 IssueResource ISSUE = IssueResource.getInstance(graph);
 170                 Resource sev = IssueUtils.toSeverityResource(ISSUE, severity);
 171                 if (sev != null) {
 172                     for (Resource issue : userIssues) {
 173                         if (!graph.hasStatement(issue, ISSUE.Issue_HasSeverity, sev)) {
 174                             graph.deny(issue, ISSUE.Issue_HasSeverity);
 175                             graph.claim(issue, ISSUE.Issue_HasSeverity, null, sev);
 176                         }
 177                     }
 178                 } else {
 179                     for (Resource issue : userIssues)
 180                         graph.deny(issue, ISSUE.Issue_HasSeverity);
 181                 }
 182             }
 183         }, e -> {
 184             if (e != null)
 185                 ErrorLogger.defaultLogError(e);
 186         });
 187     }
 188
 189 }