org.eclipse.egit.ui/src/org/eclipse/egit/ui/internal/clone/GitShareProjectsPage.java

   1 /*******************************************************************************
   2  * Copyright (c) 2010 SAP AG.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/epl-v10.html
   7  *
   8  * Contributors:
   9  *    Mathias Kinzler (SAP AG) - initial implementation
  10  *******************************************************************************/
  11 package org.eclipse.egit.ui.internal.clone;
  12
  13 import java.io.File;
  14 import java.io.FilenameFilter;
  15 import java.lang.reflect.InvocationTargetException;
  16 import java.util.ArrayList;
  17 import java.util.List;
  18
  19 import org.eclipse.core.resources.IProject;
  20 import org.eclipse.core.runtime.IProgressMonitor;
  21 import org.eclipse.egit.ui.Activator;
  22 import org.eclipse.egit.ui.UIText;
  23 import org.eclipse.jface.layout.GridDataFactory;
  24 import org.eclipse.jface.operation.IRunnableWithProgress;
  25 import org.eclipse.jface.viewers.CheckStateChangedEvent;
  26 import org.eclipse.jface.viewers.CheckboxTableViewer;
  27 import org.eclipse.jface.viewers.ICheckStateListener;
  28 import org.eclipse.jface.viewers.ILabelProviderListener;
  29 import org.eclipse.jface.viewers.IStructuredContentProvider;
  30 import org.eclipse.jface.viewers.ITableLabelProvider;
  31 import org.eclipse.jface.viewers.Viewer;
  32 import org.eclipse.jface.wizard.WizardPage;
  33 import org.eclipse.jgit.lib.Constants;
  34 import org.eclipse.osgi.util.NLS;
  35 import org.eclipse.swt.SWT;
  36 import org.eclipse.swt.graphics.Image;
  37 import org.eclipse.swt.layout.GridLayout;
  38 import org.eclipse.swt.widgets.Composite;
  39 import org.eclipse.swt.widgets.TableColumn;
  40 import org.eclipse.team.core.RepositoryProvider;
  41
  42 /**
  43  * Displays a list of projects with their containing Git repository and check
  44  * box for sharing these projects with the Git Team Provider
  45  * <p>
  46  * TODO add selectAll/unselectAll/toggleSelection?
  47  */
  48 public class GitShareProjectsPage extends WizardPage {
  49
  50         CheckboxTableViewer tv;
  51
  52         private final FilenameFilter myFilenameFilter = new FilenameFilter() {
  53
  54                 public boolean accept(File dir, String name) {
  55                         return name.equals(Constants.DOT_GIT);
  56                 }
  57         };
  58
  59         /**
  60          * Default constructor
  61          */
  62         public GitShareProjectsPage() {
  63                 super(GitShareProjectsPage.class.getName());
  64                 setTitle(UIText.GitShareProjectsPage_PageTitle);
  65                 setPageComplete(false);
  66         }
  67
  68         public void createControl(Composite parent) {
  69
  70                 Composite main = new Composite(parent, SWT.NONE);
  71                 main.setLayout(new GridLayout(1, false));
  72                 tv = CheckboxTableViewer.newCheckList(main, SWT.NONE);
  73                 GridDataFactory.fillDefaults().grab(true, true).applyTo(tv.getTable());
  74
  75                 TableColumn name = new TableColumn(tv.getTable(), SWT.NONE);
  76                 name.setWidth(200);
  77                 name.setText(UIText.GitShareProjectsPage_ProjectNameLabel);
  78
  79                 TableColumn repo = new TableColumn(tv.getTable(), SWT.NONE);
  80                 repo.setWidth(400);
  81                 repo.setText(UIText.GitShareProjectsPage_RepositoryLabel);
  82
  83                 tv.getTable().setHeaderVisible(true);
  84
  85                 tv.setContentProvider(new IStructuredContentProvider() {
  86
  87                         public void inputChanged(Viewer viewer, Object oldInput,
  88                                         Object newInput) {
  89                                 // nothing
  90                         }
  91
  92                         public void dispose() {
  93                                 // nothing
  94                         }
  95
  96                         public Object[] getElements(Object inputElement) {
  97                                 return (Object[]) inputElement;
  98                         }
  99                 });
 100
 101                 tv.setLabelProvider(new ITableLabelProvider() {
 102
 103                         public void removeListener(ILabelProviderListener listener) {
 104                                 // ignore
 105                         }
 106
 107                         public boolean isLabelProperty(Object element, String property) {
 108                                 return false;
 109                         }
 110
 111                         public void dispose() {
 112                                 // nothing
 113                         }
 114
 115                         public void addListener(ILabelProviderListener listener) {
 116                                 // ignore
 117                         }
 118
 119                         public String getColumnText(Object element, int columnIndex) {
 120                                 switch (columnIndex) {
 121                                 case 0:
 122                                         return ((IProject) element).getName();
 123                                 case 1:
 124                                         String actRepo = getRepository((IProject) element);
 125                                         if (actRepo == null)
 126                                                 return UIText.GitShareProjectsPage_NoRepoFoundMessage;
 127                                         return actRepo;
 128                                 default:
 129                                         return null;
 130                                 }
 131                         }
 132
 133                         public Image getColumnImage(Object element, int columnIndex) {
 134                                 return null;
 135                         }
 136                 });
 137
 138                 tv.addCheckStateListener(new ICheckStateListener() {
 139
 140                         public void checkStateChanged(CheckStateChangedEvent event) {
 141                                 checkPage();
 142                         }
 143                 });
 144
 145                 setControl(main);
 146         }
 147
 148         @Override
 149         public void setVisible(boolean visible) {
 150                 if (visible) {
 151                         // when this becomes visible, we have to ask the wizard to import
 152                         // the projects
 153                         final ProjectCreator wiz = (ProjectCreator) getWizard();
 154                         // TODO scheduling rule
 155                         try {
 156                                 getContainer().run(false, true, new IRunnableWithProgress() {
 157
 158                                         public void run(IProgressMonitor monitor)
 159                                                         throws InvocationTargetException,
 160                                                         InterruptedException {
 161                                                 wiz.importProjects();
 162
 163                                         }
 164
 165                                 });
 166                         } catch (InvocationTargetException e) {
 167                                 Activator.handleError(e.getCause().getMessage(), e.getCause(),
 168                                                 true);
 169                         } catch (InterruptedException e) {
 170                                 Activator.handleError(
 171                                                 UIText.GitShareProjectsPage_AbortedMessage, e, true);
 172                         }
 173
 174                         setProjects(wiz.getAddedProjects());
 175
 176                 }
 177                 super.setVisible(visible);
 178         }
 179
 180         /**
 181          * @param projects
 182          */
 183         public void setProjects(IProject[] projects) {
 184                 tv.setInput(projects);
 185                 tv.setAllChecked(true);
 186                 checkPage();
 187         }
 188
 189         /**
 190          * @return the selected projects
 191          */
 192         public IProject[] getSelectedProjects() {
 193                 List<IProject> prj = new ArrayList<IProject>();
 194                 for (Object o : tv.getCheckedElements()) {
 195                         prj.add((IProject) o);
 196                 }
 197                 return prj.toArray(new IProject[0]);
 198
 199         }
 200
 201         private String getRepository(IProject element) {
 202                 File locationFile = new File(element.getLocationURI());
 203                 return checkFileRecursive(locationFile);
 204         }
 205
 206         private String checkFileRecursive(File locationFile) {
 207                 if (locationFile == null)
 208                         return null;
 209                 if (locationFile.list(myFilenameFilter).length > 0)
 210                         return locationFile.getPath();
 211                 return checkFileRecursive(locationFile.getParentFile());
 212         }
 213
 214         private void checkPage() {
 215                 setErrorMessage(null);
 216                 try {
 217                         // of course we need at least one project
 218                         IProject[] projects = (IProject[]) tv.getInput();
 219                         if (projects == null || projects.length == 0) {
 220                                 setErrorMessage(UIText.GitShareProjectsPage_NoNewProjectMessage);
 221                                 return;
 222                         }
 223
 224                         Object[] selected = tv.getCheckedElements();
 225                         if (selected.length == 0) {
 226                                 setErrorMessage(UIText.GitShareProjectsPage_NothingSelectedMessage);
 227                                 return;
 228                         }
 229                         // not all selected projects may be share-able here
 230                         for (Object obj : selected) {
 231                                 IProject prj = (IProject) obj;
 232                                 if (getRepository(prj) == null) {
 233                                         setErrorMessage(NLS
 234                                                         .bind(
 235                                                                         UIText.GitShareProjectsPage_NoRepoForProjectMessage,
 236                                                                         prj.getName()));
 237                                         return;
 238                                 }
 239                                 if (RepositoryProvider.getProvider(prj) != null)
 240                                         setErrorMessage(NLS
 241                                                         .bind(
 242                                                                         UIText.GitShareProjectsPage_ProjectAlreadySharedMessage,
 243                                                                         prj.getName()));
 244                         }
 245
 246                 } finally {
 247                         setPageComplete(getErrorMessage() == null);
 248                 }
 249         }
 250
 251 }