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

Introduction

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

Prototype

@Override
public Iterator iterator();

Source Link

Document

Returns an iterator over the elements of this selection.

Usage

From source file:com.rcpcompany.uibindings.utils.SelectionUtils.java

License:Open Source License

/**
 * Computes and returns a list with the objects of the selection that are - or can adapt to -
 * the specified base class.// w  w  w.  ja va2  s.c o  m
 * 
 * @param <T> the type of the baseClass
 * @param selection the selection to handle
 * @param baseClass the wanted base class
 * @return a list with the found objects
 */
public static <T> List<T> computeSelection(ISelection selection, Class<T> baseClass) {
    if (!(selection instanceof IStructuredSelection))
        return EMPTY_LIST;
    final IStructuredSelection ss = (IStructuredSelection) selection;
    List<T> list = null;
    for (final Iterator e = ss.iterator(); e.hasNext();) {
        final Object next = e.next();
        T c = (T) Platform.getAdapterManager().getAdapter(next, baseClass);
        if (c != null) {
            // OK
        } else if (baseClass.isInstance(next)) {
            c = (T) next;
        } else if (next instanceof IAdaptable) {
            c = (T) ((IAdaptable) next).getAdapter(baseClass);
        }
        if (c != null) {
            if (list == null) {
                list = new ArrayList<T>(ss.size());
            }
            list.add(c);
        }
    }
    if (list == null)
        return EMPTY_LIST;
    return list;
}

From source file:com.rcpcompany.utils.selection.SelectionUtils.java

License:Open Source License

/**
 * Computes and returns a list with the objects of the selection that are -
 * or can adapt to - the specified base class.
 * /*w  w w.  j  a  va2  s  .  c  o m*/
 * @param <T>
 *            the type of the baseClass
 * @param selection
 *            the selection to handle
 * @param baseClass
 *            the wanted base class
 * @return a list with the found objects
 */
@SuppressWarnings("unchecked")
public static <T> List<T> computeSelection(ISelection selection, Class<T> baseClass) {
    if (!(selection instanceof IStructuredSelection))
        return Collections.EMPTY_LIST;
    final IStructuredSelection ss = (IStructuredSelection) selection;
    List<T> list = null;
    for (final Iterator<?> e = ss.iterator(); e.hasNext();) {
        final Object next = e.next();
        T c = (T) Platform.getAdapterManager().getAdapter(next, baseClass);
        if (c != null) {
            // OK
        } else if (baseClass.isInstance(next)) {
            c = (T) next;
        } else if (next instanceof IAdaptable) {
            c = (T) ((IAdaptable) next).getAdapter(baseClass);
        }
        if (c != null) {
            if (list == null) {
                list = new ArrayList<T>(ss.size());
            }
            list.add(c);
        }
    }
    if (list == null)
        return Collections.EMPTY_LIST;
    return list;
}

From source file:com.redhat.ceylon.eclipse.core.classpath.CeylonClasspathUtil.java

License:Apache License

/**
 * Get the Ivy classpath container from the selection in the Java package view
 * /*from  www  . j a  v  a 2 s  .  c o m*/
 * @param selection
 *            the selection
 * @return
 * @throws JavaModelException
 */
public static CeylonClasspathContainer getCeylonClasspathContainer(IStructuredSelection selection) {
    if (selection == null) {
        return null;
    }
    for (Iterator it = selection.iterator(); it.hasNext();) {
        Object element = it.next();
        CeylonClasspathContainer cp = (CeylonClasspathContainer) CeylonPlugin.adapt(element,
                CeylonClasspathContainer.class);
        if (cp != null) {
            return cp;
        }
        if (element instanceof ClassPathContainer) {
            // FIXME: we shouldn't check against internal JDT API but there are not adaptable to
            // useful class
            return jdt2CeylonCPC((ClassPathContainer) element);
        }
    }
    return null;
}

From source file:com.remainsoftware.tycho.pombuilder.ui.internal.actions.DisableNatureAction.java

License:Open Source License

@Override
public void run(IAction action) {
    if (selection instanceof IStructuredSelection) {
        IStructuredSelection structuredSelection = (IStructuredSelection) selection;
        for (Iterator<?> it = structuredSelection.iterator(); it.hasNext();) {
            Object element = it.next();
            IProject project = null;//from  w  w  w . j a va  2  s  .  co m
            if (element instanceof IProject) {
                project = (IProject) element;
            } else if (element instanceof IAdaptable) {
                project = (IProject) ((IAdaptable) element).getAdapter(IProject.class);
            }
            if (project != null) {
                try {
                    disableNature(project);
                } catch (CoreException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            }
        }
    }
}

From source file:com.remainsoftware.tycho.pombuilder.ui.internal.actions.EnableNatureAction.java

License:Open Source License

@Override
public void run(IAction action) {
    if (selection instanceof IStructuredSelection) {
        IStructuredSelection structuredSelection = (IStructuredSelection) selection;
        for (Iterator<?> it = structuredSelection.iterator(); it.hasNext();) {
            Object element = it.next();
            IProject project = null;//from w w w .j  a v a 2s. com
            if (element instanceof IProject) {
                project = (IProject) element;
            } else if (element instanceof IAdaptable) {
                project = (IProject) ((IAdaptable) element).getAdapter(IProject.class);
            }
            if (project != null) {
                try {
                    enableNature(project, structuredSelection.size() == 1);
                } catch (CoreException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            }
        }
    }
}

From source file:com.safi.workshop.sqlexplorer.dbstructure.DBTreeActionGroup.java

License:Open Source License

private INode[] getSelectedNodes() {
    // find our target node..
    IStructuredSelection selection = (IStructuredSelection) _treeViewer.getSelection();

    // check if we have a valid selection
    if (selection == null) {
        return null;
    }/*w  ww .j  a va  2  s .co m*/

    List<INode> selectedNodes = new ArrayList<INode>();
    Iterator<?> it = selection.iterator();

    while (it.hasNext()) {
        Object object = it.next();
        if (object instanceof INode) {
            selectedNodes.add((INode) object);
        }
    }

    if (selectedNodes.size() == 0) {
        return null;
    }

    INode[] nodes = selectedNodes.toArray(new INode[selectedNodes.size()]);
    return nodes;
}

From source file:com.salesforce.ide.ui.handlers.BaseHandler.java

License:Open Source License

protected static List<IResource> getSelectedResources(final IStructuredSelection selection) {
    final IAdapterManager adapterManager = Platform.getAdapterManager();

    final List<IResource> selectedResources = new ArrayList<>();
    for (Iterator<?> iterator = selection.iterator(); iterator.hasNext();) {
        final IResource selectedResource = (IResource) adapterManager.getAdapter(iterator.next(),
                IResource.class);
        if (null != selectedResource) {
            selectedResources.add(selectedResource);
        }/*from  w  ww  . jav a2s. c o  m*/
    }
    return selectedResources;
}

From source file:com.salesforce.ide.ui.handlers.SaveToServerHandler.java

License:Open Source License

private static SaveToServerActionController buildController(final IStructuredSelection selection) {
    final IAdapterManager adapterManager = Platform.getAdapterManager();

    final List<IResource> selectedResources = new ArrayList<>();
    for (Iterator<?> iterator = selection.iterator(); iterator.hasNext();) {
        final IResource selectedResource = (IResource) adapterManager.getAdapter(iterator.next(),
                IResource.class);
        if (null != selectedResource) {
            selectedResources.add(selectedResource);
        }//  w  ww.j a  va  2s.com
    }

    final List<IResource> filteredResources = filter(selectedResources);
    if (filteredResources.isEmpty())
        return null;

    final IProject project = filteredResources.get(0).getProject();
    for (final IResource resource : filteredResources) {
        if (!project.equals(resource.getProject())) {
            logger.warn(
                    "Unable to save resources from multiple projects at the same time. Only saving resources from "
                            + project.getName());
            break;
        }
    }

    return buildController(selection, filteredResources, project);
}

From source file:com.sap.dirigible.ide.db.viewer.views.actions.DeleteTableAction.java

License:Open Source License

@SuppressWarnings("rawtypes")
public void run() {
    IStructuredSelection selection = (IStructuredSelection) viewer.getSelection();
    TreeParent parent = null;/*from   w  w w .  j  ava  2 s. c  o  m*/

    for (Iterator nextSelection = selection.iterator(); nextSelection.hasNext();) {
        Object obj = nextSelection.next();
        if (TreeObject.class.isInstance(obj)) {
            if (((TreeObject) obj).getTableDefinition() != null) {
                TableDefinition tableDefinition = ((TreeObject) obj).getTableDefinition();

                boolean confirm = MessageDialog.openConfirm(viewer.getControl().getShell(), DELETE_TABLE,
                        String.format(WARNING_THIS_ACTION_WILL_DELETE_THE_TABLE_AND_ALL_OF_ITS_CONTENT_CONTINUE,
                                tableDefinition.getTableName()));
                if (!confirm) {
                    continue;
                }
                parent = ((TreeObject) obj).getParent();
                IDbConnectionFactory connectionFactory = parent.getConnectionFactory();
                try {
                    deleteTable(tableDefinition, connectionFactory);
                } catch (SQLException e) {
                    showMessage(String.format(FAILED_TO_DELETE_TABLE_S, tableDefinition.getTableName()));
                    logger.error(e.getMessage(), e);
                }
            }
        }
    }
    if (parent != null) {
        RefreshViewAction refresh = new RefreshViewAction(viewer, parent.getChildren()[0]);
        refresh.run();
    }
}

From source file:com.sap.dirigible.ide.workspace.wizard.project.commands.DownloadProjectHandler.java

License:Open Source License

@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
    IStructuredSelection selection = (IStructuredSelection) HandlerUtil.getCurrentSelection(event);

    if (selection.size() == 1) {
        Object firstElement = selection.getFirstElement();
        if (firstElement instanceof IProject) {
            IProject project = (IProject) firstElement;
            DownloadDialog downloadDialog = new DownloadDialog(HandlerUtil.getActiveShell(event));
            downloadDialog.setURL(DownloadProjectServiceHandler.getUrl(project.getName()));
            downloadDialog.open();//ww w .  j a va  2s.  c  o m
        }
    } else if (selection.size() > 1) {
        StringBuffer projectNames = new StringBuffer();
        Iterator<?> iterator = selection.iterator();
        boolean dot = false;
        while (iterator.hasNext()) {
            Object element = iterator.next();
            if (element instanceof IProject) {
                IProject project = (IProject) element;
                if (dot) {
                    projectNames.append(RepositoryDataStore.PROJECT_NAME_SEPARATOR);
                }
                projectNames.append(project.getName());
                dot = true;
            }
        }
        DownloadDialog downloadDialog = new DownloadDialog(HandlerUtil.getActiveShell(event));
        downloadDialog.setURL(DownloadProjectServiceHandler.getUrl(projectNames.toString()));
        downloadDialog.open();
    }
    return null;
}