argeo/library/ui/ContentEntryArea.java

   1 package org.argeo.library.ui;
   2
   3 import java.util.SortedMap;
   4 import java.util.TreeMap;
   5
   6 import javax.jcr.Node;
   7 import javax.jcr.NodeIterator;
   8 import javax.jcr.RepositoryException;
   9 import javax.jcr.Session;
  10 import javax.jcr.nodetype.NodeType;
  11 import javax.jcr.query.Query;
  12
  13 import org.argeo.api.cms.CmsTheme;
  14 import org.argeo.cms.swt.CmsSwtUtils;
  15 import org.argeo.cms.ui.CmsUiProvider;
  16 import org.argeo.entity.EntityType;
  17 import org.argeo.jcr.Jcr;
  18 import org.argeo.jcr.JcrException;
  19 import org.argeo.suite.ui.SuiteEvent;
  20 import org.argeo.suite.ui.SuiteIcon;
  21 import org.argeo.suite.ui.widgets.TreeOrSearchArea;
  22 import org.eclipse.jface.viewers.ColumnLabelProvider;
  23 import org.eclipse.jface.viewers.DoubleClickEvent;
  24 import org.eclipse.jface.viewers.IDoubleClickListener;
  25 import org.eclipse.jface.viewers.ISelectionChangedListener;
  26 import org.eclipse.jface.viewers.ITreeContentProvider;
  27 import org.eclipse.jface.viewers.SelectionChangedEvent;
  28 import org.eclipse.jface.viewers.TreeViewerColumn;
  29 import org.eclipse.jface.viewers.Viewer;
  30 import org.eclipse.swt.SWT;
  31 import org.eclipse.swt.graphics.Image;
  32 import org.eclipse.swt.layout.GridLayout;
  33 import org.eclipse.swt.widgets.Composite;
  34 import org.eclipse.swt.widgets.Control;
  35
  36 public class ContentEntryArea implements CmsUiProvider {
  37
  38         @Override
  39         public Control createUi(Composite parent, Node context) throws RepositoryException {
  40                 CmsTheme theme = CmsSwtUtils.getCmsTheme(parent);
  41
  42                 parent.setLayout(new GridLayout());
  43                 Ui ui = new Ui(parent, SWT.NONE);
  44                 ui.setLayoutData(CmsSwtUtils.fillAll());
  45
  46                 TreeViewerColumn nameCol = new TreeViewerColumn(ui.getTreeViewer(), SWT.NONE);
  47                 nameCol.getColumn().setWidth(400);
  48                 nameCol.setLabelProvider(new ColumnLabelProvider() {
  49
  50                         @Override
  51                         public String getText(Object element) {
  52                                 Node node = (Node) element;
  53                                 return Jcr.getTitle(node);
  54                         }
  55
  56                         @Override
  57                         public Image getImage(Object element) {
  58                                 Node node = (Node) element;
  59                                 Image icon;
  60                                 if (Jcr.isNodeType(node, NodeType.NT_FOLDER)) {
  61                                         icon = SuiteIcon.folder.getSmallIcon(theme);
  62                                 } else if (Jcr.isNodeType(node, NodeType.NT_FILE)) {
  63                                         // TODO check recognized document types
  64                                         icon = SuiteIcon.document.getSmallIcon(theme);
  65                                 } else if (Jcr.isNodeType(node, EntityType.document.get())) {
  66                                         icon = SuiteIcon.document.getSmallIcon(theme);
  67                                 } else {
  68                                         if (!isLeaf(node))
  69                                                 icon = SuiteIcon.folder.getSmallIcon(theme);
  70                                         else
  71                                                 icon = null;
  72                                 }
  73                                 return icon;
  74                         }
  75
  76                 });
  77
  78                 ui.getTreeViewer().addDoubleClickListener(new IDoubleClickListener() {
  79
  80                         @Override
  81                         public void doubleClick(DoubleClickEvent event) {
  82                                 Node user = (Node) ui.getTreeViewer().getStructuredSelection().getFirstElement();
  83                                 if (user != null) {
  84                                         CmsSwtUtils.getCmsView(parent).sendEvent(SuiteEvent.openNewPart.topic(),
  85                                                         SuiteEvent.eventProperties(user));
  86                                 }
  87
  88                         }
  89                 });
  90                 ui.getTreeViewer().addSelectionChangedListener(new ISelectionChangedListener() {
  91                         public void selectionChanged(SelectionChangedEvent event) {
  92                                 Node user = (Node) ui.getTreeViewer().getStructuredSelection().getFirstElement();
  93                                 if (user != null) {
  94                                         CmsSwtUtils.getCmsView(parent).sendEvent(SuiteEvent.refreshPart.topic(),
  95                                                         SuiteEvent.eventProperties(user));
  96                                 }
  97                         }
  98                 });
  99
 100                 ui.getTreeViewer().setContentProvider(new SpacesContentProvider());
 101                 ui.getTreeViewer().setInput(context.getSession());
 102                 return ui;
 103         }
 104
 105         protected boolean isLeaf(Node node) {
 106                 return Jcr.isNodeType(node, EntityType.entity.get()) || Jcr.isNodeType(node, EntityType.document.get())
 107                                 || Jcr.isNodeType(node, NodeType.NT_FILE);
 108         }
 109
 110         class Ui extends TreeOrSearchArea {
 111
 112                 public Ui(Composite parent, int style) {
 113                         super(parent, style);
 114                 }
 115
 116         }
 117
 118         class SpacesContentProvider implements ITreeContentProvider {
 119
 120                 @Override
 121                 public Object[] getElements(Object inputElement) {
 122                         Session session = (Session) inputElement;
 123                         try {
 124                                 Query query = session.getWorkspace().getQueryManager()
 125                                                 .createQuery("SELECT * FROM [" + EntityType.space.get() + "]", Query.JCR_SQL2);
 126                                 NodeIterator spacesIt = query.execute().getNodes();
 127                                 SortedMap<String, Node> map = new TreeMap<>();
 128                                 while (spacesIt.hasNext()) {
 129                                         Node space = spacesIt.nextNode();
 130                                         String path = space.getPath();
 131                                         map.put(path, space);
 132                                 }
 133                                 return map.values().toArray();
 134                         } catch (RepositoryException e) {
 135                                 throw new JcrException(e);
 136                         }
 137                 }
 138
 139                 @Override
 140                 public Object[] getChildren(Object parentElement) {
 141                         Node parent = (Node) parentElement;
 142                         if (isLeaf(parent))
 143                                 return null;
 144                         return Jcr.getNodes(parent).toArray();
 145                 }
 146
 147                 @Override
 148                 public Object getParent(Object element) {
 149                         Node node = (Node) element;
 150                         return Jcr.getParent(node);
 151                 }
 152
 153                 @Override
 154                 public boolean hasChildren(Object element) {
 155                         Node node = (Node) element;
 156                         return !isLeaf(node);
 157                 }
 158
 159                 @Override
 160                 public void dispose() {
 161                 }
 162
 163                 @Override
 164                 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
 165                 }
 166
 167         }
 168
 169 }