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.dialogs.Dialog;
  24 import org.eclipse.jface.layout.GridDataFactory;
  25 import org.eclipse.jface.operation.IRunnableWithProgress;
  26 import org.eclipse.jface.viewers.CheckStateChangedEvent;
  27 import org.eclipse.jface.viewers.CheckboxTableViewer;
  28 import org.eclipse.jface.viewers.ICheckStateListener;
  29 import org.eclipse.jface.viewers.ILabelProviderListener;
  30 import org.eclipse.jface.viewers.IStructuredContentProvider;
  31 import org.eclipse.jface.viewers.ITableLabelProvider;
  32 import org.eclipse.jface.viewers.Viewer;
  33 import org.eclipse.jface.wizard.WizardPage;
  34 import org.eclipse.jgit.lib.Constants;
  35 import org.eclipse.osgi.util.NLS;
  36 import org.eclipse.swt.SWT;
  37 import org.eclipse.swt.graphics.Image;
  38 import org.eclipse.swt.layout.GridLayout;
  39 import org.eclipse.swt.widgets.Composite;
  40 import org.eclipse.swt.widgets.TableColumn;
  41 import org.eclipse.team.core.RepositoryProvider;
  42
  43 /**
  44  * Displays a list of projects with their containing Git repository and check
  45  * box for sharing these projects with the Git Team Provider
  46  * <p>
  47  * TODO add selectAll/unselectAll/toggleSelection?
  48  */
  49 public class GitShareProjectsPage extends WizardPage {
  50
  51         CheckboxTableViewer tv;
  52
  53         private final FilenameFilter myFilenameFilter = new FilenameFilter() {
  54
  55                 public boolean accept(File dir, String name) {
  56                         return name.equals(Constants.DOT_GIT);
  57                 }
  58         };
  59
  60         /**
  61          * Default constructor
  62          */
  63         public GitShareProjectsPage() {
  64                 super(GitShareProjectsPage.class.getName());
  65                 setTitle(UIText.GitShareProjectsPage_PageTitle);
  66                 setPageComplete(false);
  67         }
  68
  69         public void createControl(Composite parent) {
  70
  71                 Composite main = new Composite(parent, SWT.NONE);
  72                 main.setLayout(new GridLayout(1, false));
  73                 tv = CheckboxTableViewer.newCheckList(main, SWT.NONE);
  74                 GridDataFactory.fillDefaults().grab(true, true).applyTo(tv.getTable());
  75
  76                 TableColumn name = new TableColumn(tv.getTable(), SWT.NONE);
  77                 name.setWidth(200);
  78                 name.setText(UIText.GitShareProjectsPage_ProjectNameLabel);
  79
  80                 TableColumn repo = new TableColumn(tv.getTable(), SWT.NONE);
  81                 repo.setWidth(400);
  82                 repo.setText(UIText.GitShareProjectsPage_RepositoryLabel);
  83
  84                 tv.getTable().setHeaderVisible(true);
  85
  86                 tv.setContentProvider(new IStructuredContentProvider() {
  87
  88                         public void inputChanged(Viewer viewer, Object oldInput,
  89                                         Object newInput) {
  90                                 // nothing
  91                         }
  92
  93                         public void dispose() {
  94                                 // nothing
  95                         }
  96
  97                         public Object[] getElements(Object inputElement) {
  98                                 return (Object[]) inputElement;
  99                         }
 100                 });
 101
 102                 tv.setLabelProvider(new ITableLabelProvider() {
 103
 104                         public void removeListener(ILabelProviderListener listener) {
 105                                 // ignore
 106                         }
 107
 108                         public boolean isLabelProperty(Object element, String property) {
 109                                 return false;
 110                         }
 111
 112                         public void dispose() {
 113                                 // nothing
 114                         }
 115
 116                         public void addListener(ILabelProviderListener listener) {
 117                                 // ignore
 118                         }
 119
 120                         public String getColumnText(Object element, int columnIndex) {
 121                                 switch (columnIndex) {
 122                                 case 0:
 123                                         return ((IProject) element).getName();
 124                                 case 1:
 125                                         String actRepo = getRepository((IProject) element);
 126                                         if (actRepo == null)
 127                                                 return UIText.GitShareProjectsPage_NoRepoFoundMessage;
 128                                         return actRepo;
 129                                 default:
 130                                         return null;
 131                                 }
 132                         }
 133
 134                         public Image getColumnImage(Object element, int columnIndex) {
 135                                 return null;
 136                         }
 137                 });
 138
 139                 tv.addCheckStateListener(new ICheckStateListener() {
 140
 141                         public void checkStateChanged(CheckStateChangedEvent event) {
 142                                 checkPage();
 143                         }
 144                 });
 145
 146                 Dialog.applyDialogFont(main);
 147                 setControl(main);
 148         }
 149
 150         @Override
 151         public void setVisible(boolean visible) {
 152                 if (visible) {
 153                         // when this becomes visible, we have to ask the wizard to import
 154                         // the projects
 155                         final ProjectCreator wiz = (ProjectCreator) getWizard();
 156                         // TODO scheduling rule
 157                         try {
 158                                 getContainer().run(false, true, new IRunnableWithProgress() {
 159
 160                                         public void run(IProgressMonitor monitor)
 161                                                         throws InvocationTargetException,
 162                                                         InterruptedException {
 163                                                 wiz.importProjects();
 164
 165                                         }
 166
 167                                 });
 168                         } catch (InvocationTargetException e) {
 169                                 Activator.handleError(e.getCause().getMessage(), e.getCause(),
 170                                                 true);
 171                         } catch (InterruptedException e) {
 172                                 Activator.handleError(
 173                                                 UIText.GitShareProjectsPage_AbortedMessage, e, true);
 174                         }
 175
 176                         setProjects(wiz.getAddedProjects());
 177
 178                 }
 179                 super.setVisible(visible);
 180         }
 181
 182         /**
 183          * @param projects
 184          */
 185         public void setProjects(IProject[] projects) {
 186                 tv.setInput(projects);
 187                 tv.setAllChecked(true);
 188                 checkPage();
 189         }
 190
 191         /**
 192          * @return the selected projects
 193          */
 194         public IProject[] getSelectedProjects() {
 195                 List<IProject> prj = new ArrayList<IProject>();
 196                 for (Object o : tv.getCheckedElements()) {
 197                         prj.add((IProject) o);
 198                 }
 199                 return prj.toArray(new IProject[0]);
 200
 201         }
 202
 203         private String getRepository(IProject element) {
 204                 File locationFile = new File(element.getLocationURI());
 205                 return checkFileRecursive(locationFile);
 206         }
 207
 208         private String checkFileRecursive(File locationFile) {
 209                 if (locationFile == null)
 210                         return null;
 211                 if (locationFile.list(myFilenameFilter).length > 0)
 212                         return locationFile.getPath();
 213                 return checkFileRecursive(locationFile.getParentFile());
 214         }
 215
 216         private void checkPage() {
 217                 setErrorMessage(null);
 218                 try {
 219                         // of course we need at least one project
 220                         IProject[] projects = (IProject[]) tv.getInput();
 221                         if (projects == null || projects.length == 0) {
 222                                 setErrorMessage(UIText.GitShareProjectsPage_NoNewProjectMessage);
 223                                 return;
 224                         }
 225
 226                         Object[] selected = tv.getCheckedElements();
 227                         if (selected.length == 0) {
 228                                 setErrorMessage(UIText.GitShareProjectsPage_NothingSelectedMessage);
 229                                 return;
 230                         }
 231                         // not all selected projects may be share-able here
 232                         for (Object obj : selected) {
 233                                 IProject prj = (IProject) obj;
 234                                 if (getRepository(prj) == null) {
 235                                         setErrorMessage(NLS
 236                                                         .bind(
 237                                                                         UIText.GitShareProjectsPage_NoRepoForProjectMessage,
 238                                                                         prj.getName()));
 239                                         return;
 240                                 }
 241                                 if (RepositoryProvider.getProvider(prj) != null)
 242                                         setErrorMessage(NLS
 243                                                         .bind(
 244                                                                         UIText.GitShareProjectsPage_ProjectAlreadySharedMessage,
 245                                                                         prj.getName()));
 246                         }
 247
 248                 } finally {
 249                         setPageComplete(getErrorMessage() == null);
 250                 }
 251         }
 252
 253 }