Example usage for org.eclipse.jface.viewers IStructuredSelection isEmpty

Introduction

In this page you can find the example usage for org.eclipse.jface.viewers IStructuredSelection isEmpty.

Prototype

public boolean isEmpty();

Source Link

Document

Returns whether this selection is empty.

Usage

From source file:com.hydra.project.myplugin_nebula.xviewer.customize.dialog.CustomizationDataSelectionDialog.java

License:Open Source License

private CustomizeData getSelectedCustomizeData() {
    IStructuredSelection selection = (IStructuredSelection) getTableViewer().getSelection();
    if (selection.isEmpty()) {
        return null;
    }//from  w w w .  jav  a  2  s .  c  o  m
    Iterator<?> i = selection.iterator();
    return (CustomizeData) i.next();
}

From source file:com.hydra.project.myplugin_nebula.xviewer.customize.dialog.XViewerCustomizeDialog.java

License:Open Source License

public void performVisibleTableDragOver(DropTargetEvent event) {
    if (!TextTransfer.getInstance().isSupportedType(event.currentDataType)) {
        event.detail = DND.DROP_NONE;//from  w w w.ja  v  a2s  .c  o  m
        return;
    }

    Tree tree = visibleColTable.getViewer().getTree();
    TreeItem dragOverTreeItem = tree.getItem(visibleColTable.getViewer().getTree().toControl(event.x, event.y));
    if (dragOverTreeItem == null) {
        return;
    }

    event.feedback = DND.FEEDBACK_EXPAND;
    event.detail = DND.DROP_NONE;

    IStructuredSelection selectedItem = (IStructuredSelection) visibleColTable.getViewer().getSelection();
    if (selectedItem == null || selectedItem.isEmpty()) {
        selectedItem = (IStructuredSelection) hiddenColTable.getViewer().getSelection();
    }
    if (selectedItem == null) {
        return;
    }
    Object obj = selectedItem.getFirstElement();
    if (obj instanceof XViewerColumn) {
        if (isFeedbackAfter) {
            event.feedback = DND.FEEDBACK_INSERT_AFTER;
        } else {
            event.feedback = DND.FEEDBACK_INSERT_BEFORE;
        }
        event.detail = DND.DROP_MOVE;
    }
}

From source file:com.hydra.project.myplugin_nebula.xviewer.customize.dialog.XViewerCustomizeDialog.java

License:Open Source License

private CustomizeData getCustTableSelection() {
    IStructuredSelection selection = (IStructuredSelection) custTable.getViewer().getSelection();
    if (selection.isEmpty()) {
        return null;
    }//from www  . j a  v  a  2  s.c  om
    Iterator<?> i = selection.iterator();
    return (CustomizeData) i.next();
}

From source file:com.hydra.project.myplugin_nebula.xviewer.customize.dialog.XViewerCustomizeDialog.java

License:Open Source License

private List<XViewerColumn> getTableSelection(TreeViewer xColTableViewer) {
    List<XViewerColumn> xCols = new ArrayList<XViewerColumn>();
    IStructuredSelection selection = (IStructuredSelection) xColTableViewer.getSelection();
    if (selection.isEmpty()) {
        return null;
    }//from  w  w w. j av a2  s.  c  o  m
    Iterator<?> i = selection.iterator();
    while (i.hasNext()) {
        xCols.add((XViewerColumn) i.next());
    }
    return xCols;
}

From source file:com.ibm.etools.mft.conversion.esb.extension.render.CompleteToDo.java

License:Open Source License

@Override
public void selectionChanged(IAction action, ISelection selection) {
    IStructuredSelection s = (IStructuredSelection) selection;
    if (!s.isEmpty() && s.size() == 1 && (s.getFirstElement() instanceof TodoEntry)) {
        selected = (TodoEntry) s.getFirstElement();
        action.setEnabled(!selected.isCompleted());
    } else {//from   ww  w. j a  v  a 2 s.  c  o  m
        action.setEnabled(false);
    }
}

From source file:com.ibm.etools.mft.conversion.esb.extension.render.ReopenToDo.java

License:Open Source License

@Override
public void selectionChanged(IAction action, ISelection selection) {
    IStructuredSelection s = (IStructuredSelection) selection;
    if (!s.isEmpty() && s.size() == 1 && (s.getFirstElement() instanceof TodoEntry)) {
        selected = (TodoEntry) s.getFirstElement();
        action.setEnabled(selected.isCompleted());
    } else {//from w  w  w .ja va  2  s .  c om
        action.setEnabled(false);
    }
}

From source file:com.ibm.research.tours.actions.TourElementActionDelegate.java

License:Open Source License

public void selectionChanged(IAction action, ISelection selection) {
    IStructuredSelection structuredSelection = (IStructuredSelection) selection;
    fSelectedElements = new ArrayList<ITourElement>();

    if (!structuredSelection.isEmpty()) {
        Object[] selectionArray = structuredSelection.toArray();

        for (Object o : selectionArray) {
            if (o instanceof ITourElement)
                fSelectedElements.add((ITourElement) o);
        }/*from   w  w  w .  ja v a  2 s .  c om*/
    }
}

From source file:com.ibm.research.tours.dnd.PaletteDragListener.java

License:Open Source License

public void dragStart(DragSourceEvent event) {
    fEntries = new ArrayList<IPaletteEntry>();

    IStructuredSelection selection = (IStructuredSelection) fViewer.getSelection();

    if (!selection.isEmpty()) {
        for (Object o : selection.toArray())
            if (o instanceof IPaletteEntry)
                fEntries.add((IPaletteEntry) o);
    } else {//from  w w  w .  jav  a 2 s . c o  m
        event.doit = false;
    }
}

From source file:com.ibm.research.tours.editors.TourTreeSelectionChangedListener.java

License:Open Source License

public void selectionChanged(SelectionChangedEvent event) {
    IStructuredSelection structuredSelection = (IStructuredSelection) event.getSelection();

    performSave();/*from  www .  ja v a 2 s  .com*/
    flastSelectedElement = null;

    if (!structuredSelection.isEmpty()) {
        Object[] selected = structuredSelection.toArray();

        if (selected.length == 1 && selected[0] instanceof ITourElement) {
            flastSelectedElement = (ITourElement) selected[0];
            fEditor.getNotesText().setText(flastSelectedElement.getNotes());
            fEditor.getNotesText().setEditable(true);
            return;
        }
    }

    fEditor.getNotesText().setText("");
    fEditor.getNotesText().setEditable(false);
    flastSelectedElement = null;
}

From source file:com.ibm.research.tours.fx.dialogs.SelectPerspectiveDialog.java

License:Open Source License

/**
 * Update the selection object./* w  w  w  .  ja v  a 2s  .  c  o m*/
 */
protected void updateSelection(SelectionChangedEvent event) {
    perspDesc = null;
    IStructuredSelection sel = (IStructuredSelection) event.getSelection();
    if (!sel.isEmpty()) {
        Object obj = sel.getFirstElement();
        if (obj instanceof IPerspectiveDescriptor) {
            perspDesc = (IPerspectiveDescriptor) obj;
        }
    }
}