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

Introduction

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

Prototype

public int size();

Source Link

Document

Returns the number of elements selected in this selection.

Usage

From source file:com.aptana.ruby.internal.debug.ui.breakpoints.BreakpointDetailPaneFactory.java

License:Open Source License

public String getDefaultDetailPane(IStructuredSelection selection) {
    if (selection.size() == 1) {
        IBreakpoint b = (IBreakpoint) selection.getFirstElement();
        try {//ww w  .j  av a  2 s.c om
            String type = b.getMarker().getType();
            if (RubyLineBreakpoint.RUBY_LINE_BREAKPOINT.equals(type)) {
                return LineBreakpointDetailPane.DETAIL_PANE_LINE_BREAKPOINT;
            }
            return StandardBreakpointDetailPane.DETAIL_PANE_STANDARD;
        } catch (CoreException e) {
        }
    }
    return null;
}

From source file:com.aptana.ui.io.compare.FileStoreCompareEditorInput.java

License:Open Source License

@Override
public Viewer createDiffViewer(Composite parent) {
    fDiffViewer = new DiffTreeViewer(parent, getCompareConfiguration()) {

        @Override//  w ww .j  a va 2 s  .c o m
        protected void fillContextMenu(IMenuManager manager) {
            if (fOpenAction == null) {
                fOpenAction = new Action() {
                    public void run() {
                        handleOpen(null);
                    }
                };
                Utilities.initAction(fOpenAction, getBundle(), "action.CompareContents."); //$NON-NLS-1$
            }

            boolean enable = false;
            ISelection selection = getSelection();
            if (selection instanceof IStructuredSelection) {
                IStructuredSelection ss = (IStructuredSelection) selection;
                if (ss.size() == 1) {
                    Object element = ss.getFirstElement();
                    if (element instanceof MyDiffNode) {
                        ITypedElement typedElement = ((MyDiffNode) element).getId();
                        if (typedElement != null) {
                            enable = !ITypedElement.FOLDER_TYPE.equals(typedElement.getType());
                        }
                    } else {
                        enable = true;
                    }
                }
            }
            fOpenAction.setEnabled(enable);
            manager.add(fOpenAction);

            super.fillContextMenu(manager);
        }
    };
    return fDiffViewer;
}

From source file:com.aptana.ui.widgets.CListTable.java

License:Open Source License

private void updateStates() {
    IStructuredSelection selection = (IStructuredSelection) tableViewer.getSelection();
    boolean hasSelection = !selection.isEmpty();
    boolean hasMultiSelections = selection.size() > 1;
    editButton.setEnabled(hasSelection && !hasMultiSelections);
    removeButton.setEnabled(hasSelection);
    addButton.setEnabled(true);//from www.j  a va  2  s.  c o m
}

From source file:com.arc.cdt.debug.seecode.internal.ui.action.AbstractDebugActionDelegate.java

License:Open Source License

/**
 * Return whether the action should be enabled or not based on the given selection.
 *//*from  ww w. ja  v a2  s.c  o  m*/
@SuppressWarnings("unchecked")
protected boolean getEnableStateForSelection(IStructuredSelection selection) {
    if (selection.size() == 0) {
        return false;
    }
    Iterator<Object> itr = selection.iterator();
    while (itr.hasNext()) {
        Object element = itr.next();
        if (!isEnabledFor(element)) {
            return false;
        }
    }
    return true;
}

From source file:com.archimatetool.editor.views.tree.actions.RenameAction.java

License:Open Source License

@Override
public void update(IStructuredSelection selection) {
    setEnabled(selection.size() == 1 && RenameCommandHandler.canRename(selection.getFirstElement()));
}

From source file:com.architexa.org.eclipse.gef.ui.actions.CopyTemplateAction.java

License:Open Source License

/**
 * Sets the selected EditPart and refreshes the enabled state of this action.
 * /*from   www. j a  v a 2s  .  c  om*/
 * @see ISelectionChangedListener#selectionChanged(SelectionChangedEvent)
 */
public void selectionChanged(SelectionChangedEvent event) {
    ISelection s = event.getSelection();
    if (!(s instanceof IStructuredSelection))
        return;
    IStructuredSelection selection = (IStructuredSelection) s;
    template = null;
    if (selection != null && selection.size() == 1) {
        Object obj = selection.getFirstElement();
        if (obj instanceof EditPart) {
            Object model = ((EditPart) obj).getModel();
            if (model instanceof CombinedTemplateCreationEntry)
                template = ((CombinedTemplateCreationEntry) model).getTemplate();
            else if (model instanceof PaletteTemplateEntry)
                template = ((PaletteTemplateEntry) model).getTemplate();
        }
    }
    refresh();
}

From source file:com.arm.cmsis.pack.project.wizards.CmsisCodeTemplateNewWizardPage.java

License:Open Source License

/**
 * Tests if the current workbench selection is a suitable container to use.
 *//*from   ww  w. j  a v a 2s . c  om*/
private void initialize() {
    if (selection != null && selection.isEmpty() == false && selection instanceof IStructuredSelection) {
        IStructuredSelection ssel = (IStructuredSelection) selection;
        if (ssel.size() > 1) {
            return;
        }
        Object obj = ssel.getFirstElement();
        IContainer container = null;
        if (obj instanceof IResource) {
            if (obj instanceof IContainer) {
                container = (IContainer) obj;
            } else {
                container = ((IResource) obj).getParent();
            }
        } else if (obj instanceof IAdaptable) {
            IAdaptable adaptable = (IAdaptable) obj;
            IResource res = (IResource) adaptable.getAdapter(IResource.class);
            if (res == null) {
                return;
            }
            if (res instanceof IContainer) {
                container = (IContainer) res;
            } else {
                container = res.getParent();
            }
        }
        if (container != null) {
            projectText.setText(container.getProject().getName());
            projectText.setEditable(false);
            projectBrowse.setEnabled(false);
            containerText.setText(container.getFullPath().toString());
        }
    }
    if (getProjectName().isEmpty()) {
        containerText.setEditable(false);
        containerBrowse.setEnabled(false);
        fileText.setEditable(false);
    }
}

From source file:com.arm.cmsis.pack.project.wizards.CmsisCodeTemplateNewWizardPage.java

License:Open Source License

private IRteProject getRteProject() {
    if (selection != null && selection.isEmpty() == false && selection instanceof IStructuredSelection) {
        IStructuredSelection ssel = (IStructuredSelection) selection;
        if (ssel.size() > 1) {
            return null;
        }// ww  w  .j av a2  s.c om
        Object obj = ssel.getFirstElement();
        IResource res = ProjectUtils.getResource(obj);
        if (res != null) {
            return CpProjectPlugIn.getRteProjectManager().getRteProject(res.getProject());
        }
    }
    return null;
}

From source file:com.arm.cmsis.pack.ui.widgets.RteDeviceSelectorWidget.java

License:Open Source License

/**
 *  Returns IRteDeviceItem currently selected in the tree
 *//*from www  .  j av  a 2 s . c om*/
private IRteDeviceItem getSelectedItem() {
    IStructuredSelection sel = (IStructuredSelection) treeViewer.getSelection();
    if (sel.size() == 1) {
        Object o = sel.getFirstElement();
        if (o instanceof IRteDeviceItem) {
            return (IRteDeviceItem) o;
        }
    }
    return null;
}

From source file:com.arm.cmsis.pack.ui.widgets.RteValidateWidget.java

License:Open Source License

private IRteDependencyItem getSelectedDependencyItem() {
    IStructuredSelection sel = (IStructuredSelection) fViewer.getSelection();
    if (sel.size() == 1) {
        Object o = sel.getFirstElement();
        if (o instanceof IRteDependencyItem) {
            return (IRteDependencyItem) o;
        }//from w  ww  .j  av  a2s. c  om
    }
    return null;
}