eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/derivate/DerivateView.java

   1 package eu.etaxonomy.taxeditor.editor.view.derivate;
   2
   3 import org.eclipse.core.runtime.IProgressMonitor;
   4 import org.eclipse.jface.action.MenuManager;
   5 import org.eclipse.jface.util.LocalSelectionTransfer;
   6 import org.eclipse.jface.viewers.AbstractTreeViewer;
   7 import org.eclipse.jface.viewers.StructuredSelection;
   8 import org.eclipse.jface.viewers.TreeNode;
   9 import org.eclipse.jface.viewers.TreeViewer;
  10 import org.eclipse.swt.SWT;
  11 import org.eclipse.swt.dnd.DND;
  12 import org.eclipse.swt.dnd.Transfer;
  13 import org.eclipse.swt.widgets.Composite;
  14 import org.eclipse.swt.widgets.Control;
  15 import org.eclipse.swt.widgets.Menu;
  16 import org.eclipse.swt.widgets.Tree;
  17 import org.eclipse.ui.IEditorInput;
  18 import org.eclipse.ui.IEditorPart;
  19 import org.eclipse.ui.IEditorSite;
  20 import org.eclipse.ui.PartInitException;
  21 import org.eclipse.ui.part.EditorPart;
  22
  23 import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
  24 import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
  25 import eu.etaxonomy.cdm.model.occurrence.FieldUnit;
  26 import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
  27 import eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap;
  28 import eu.etaxonomy.taxeditor.model.IDirtyMarkableSelectionProvider;
  29 import eu.etaxonomy.taxeditor.model.IPartContentHasDetails;
  30 import eu.etaxonomy.taxeditor.model.IPartContentHasFactualData;
  31 import eu.etaxonomy.taxeditor.model.IPartContentHasSupplementalData;
  32 import eu.etaxonomy.taxeditor.view.derivateSearch.DerivateLabelProvider;
  33
  34 /**
  35  * Displays the derivate hierarchy of all derivates having one single {@link FieldUnit} as root.
  36  *
  37  */
  38 public class DerivateView extends EditorPart implements IPartContentHasFactualData, IDirtyMarkableSelectionProvider, IConversationEnabled, IPartContentHasDetails, IPartContentHasSupplementalData {
  39
  40         public static final String ID = "eu.etaxonomy.taxeditor.editor.view.derivate.DerivateView";
  41
  42         private ConversationHolder conversation;
  43
  44         private TreeViewer viewer;
  45
  46     private boolean isDirty;
  47
  48     private final int dndOperations = DND.DROP_COPY | DND.DROP_MOVE | DND.DROP_LINK;
  49
  50     /* (non-Javadoc)
  51      * @see org.eclipse.ui.part.WorkbenchPart#createPartControl(org.eclipse.swt.widgets.Composite)
  52      */
  53     @Override
  54     public void createPartControl(Composite parent) {
  55         viewer = new TreeViewer(new Tree(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION));
  56         viewer.setContentProvider(new DerivateContentProvider());
  57         viewer.setLabelProvider(new DerivateLabelProvider());
  58         viewer.setAutoExpandLevel(AbstractTreeViewer.ALL_LEVELS);
  59         // Propagate selection from viewer
  60         getSite().setSelectionProvider(viewer);
  61
  62         //create context menu
  63         MenuManager menuManager = new MenuManager();
  64         getSite().registerContextMenu(menuManager, viewer);
  65         Control control = viewer.getControl();
  66         Menu menu = menuManager.createContextMenu(control);
  67         control.setMenu(menu);
  68
  69         IEditorInput editorInput = getEditorInput();
  70         viewer.setInput(editorInput);
  71         if(editorInput instanceof DerivateViewEditorInput){
  72             SpecimenOrObservationBase<?> specimen = ((DerivateViewEditorInput) editorInput).getDerivate();
  73             SpecimenOrObservationBase<?> rootElement = ((DerivateViewEditorInput) editorInput).getRootElement();
  74             setPartName(rootElement.toString());
  75             viewer.setSelection(new StructuredSelection(new TreeNode(specimen)));
  76         }
  77
  78         //add drag'n'drop support
  79         Transfer[] transfers = new Transfer[] {LocalSelectionTransfer.getTransfer(),};
  80         viewer.addDragSupport(dndOperations, transfers, new DerivateDragListener(viewer));
  81         viewer.addDropSupport(dndOperations, transfers, new DerivateDropListener(this));
  82     }
  83
  84     /* (non-Javadoc)
  85      * @see org.eclipse.ui.part.EditorPart#doSave(org.eclipse.core.runtime.IProgressMonitor)
  86      */
  87     @Override
  88     public void doSave(IProgressMonitor monitor) {
  89         monitor.beginTask("Saving Derivates", 3);
  90         if (!conversation.isBound()) {
  91             conversation.bind();
  92         }
  93         monitor.worked(1);
  94
  95         // commit the conversation and start a new transaction immediately
  96         conversation.commit(true);
  97         monitor.worked(1);
  98
  99         this.setDirty(false);
 100         monitor.worked(1);
 101         monitor.done();
 102         firePropertyChange(PROP_DIRTY);
 103     }
 104
 105     /* (non-Javadoc)
 106      * @see org.eclipse.ui.part.EditorPart#doSaveAs()
 107      */
 108     @Override
 109     public void doSaveAs() {
 110         // TODO Auto-generated method stub
 111
 112     }
 113
 114     /* (non-Javadoc)
 115      * @see org.eclipse.ui.part.EditorPart#getTitleToolTip()
 116      */
 117     @Override
 118     public String getTitleToolTip() {
 119         return "Derivate View";
 120     }
 121
 122     /* (non-Javadoc)
 123      * @see org.eclipse.ui.part.EditorPart#init(org.eclipse.ui.IEditorSite, org.eclipse.ui.IEditorInput)
 124      */
 125     @Override
 126     public void init(IEditorSite site, IEditorInput input) throws PartInitException {
 127         setSite(site);
 128         setInput(input);
 129         if(input instanceof DerivateViewEditorInput){
 130             conversation = ((DerivateViewEditorInput) input).getConversationHolder();
 131         }
 132     }
 133
 134     /* (non-Javadoc)
 135      * @see org.eclipse.ui.part.EditorPart#isDirty()
 136      */
 137     @Override
 138     public boolean isDirty() {
 139         return isDirty;
 140     }
 141
 142     /**
 143      * @param isDirty the isDirty to set
 144      */
 145     public void setDirty(boolean isDirty) {
 146         this.isDirty = isDirty;
 147     }
 148
 149     /* (non-Javadoc)
 150      * @see org.eclipse.ui.part.EditorPart#isSaveAsAllowed()
 151      */
 152     @Override
 153     public boolean isSaveAsAllowed() {
 154         // TODO Auto-generated method stub
 155         return false;
 156     }
 157
 158
 159     /* (non-Javadoc)
 160      * @see org.eclipse.ui.part.WorkbenchPart#setFocus()
 161      */
 162     @Override
 163     public void setFocus() {
 164         //make sure to bind again if maybe in another view the conversation was unbound
 165         if(!conversation.isBound()){
 166             conversation.bind();
 167         }
 168     }
 169
 170     /* (non-Javadoc)
 171      * @see eu.etaxonomy.cdm.persistence.hibernate.ICdmPostDataChangeObserver#update(eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap)
 172      */
 173     @Override
 174     public void update(CdmDataChangeMap changeEvents) {
 175         // TODO Auto-generated method stub
 176
 177     }
 178
 179     /* (non-Javadoc)
 180      * @see eu.etaxonomy.cdm.api.conversation.IConversationEnabled#getConversationHolder()
 181      */
 182     @Override
 183     public ConversationHolder getConversationHolder() {
 184         return conversation;
 185     }
 186
 187     /**
 188      * @return the viewer
 189      */
 190     public TreeViewer getViewer() {
 191         return viewer;
 192     }
 193
 194     /* (non-Javadoc)
 195      * @see eu.etaxonomy.taxeditor.model.IDirtyMarkableSelectionProvider#changed(java.lang.Object)
 196      */
 197     @Override
 198     public void changed(Object element) {
 199         viewer.setInput(getEditorInput());
 200         setDirty(true);
 201         firePropertyChange(IEditorPart.PROP_DIRTY);
 202     }
 203
 204 }