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.metaaps.eoclipse.datasets.internal.NCE.DeleteHandler.java

License:Open Source License

@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
    IStructuredSelection currentSelection = (IStructuredSelection) HandlerUtil.getCurrentSelection(event);
    Object obj = currentSelection.iterator().next();
    if (obj instanceof IDataContent) {
        IDataContent data = (IDataContent) obj;
        IDataSets datasets = (IDataSets) data.getParent();
        datasets.removeDataContent(data);
    }//from w ww.  j  a  va 2 s  .  c om

    return null;
}

From source file:com.metaaps.eoclipse.workflowmanager.NCE.DeleteHandler.java

License:Open Source License

@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
    IStructuredSelection currentSelection = (IStructuredSelection) HandlerUtil.getCurrentSelection(event);
    Object obj = currentSelection.iterator().next();
    if (obj instanceof WorkFlow) {
        WorkFlowManager.getInstance().removeChild(obj);
        WorkFlowManager.getInstance().fireChanged(obj, Model.REMOVED);
    }//ww w  .jav a  2 s.  c o m

    return null;
}

From source file:com.metaaps.eoclipse.workflowmanager.NCE.SaveAsHandler.java

License:Open Source License

@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
    IStructuredSelection currentSelection = (IStructuredSelection) HandlerUtil.getCurrentSelection(event);
    Object obj = currentSelection.iterator().next();
    if (obj instanceof WorkFlow) {
        WorkFlow workflow = (WorkFlow) obj;
        workflow.save(true);/*w  w  w.j a v  a2  s  . c  om*/
    }

    return null;
}

From source file:com.metaaps.eoclipse.workflowmanager.NCE.SaveHandler.java

License:Open Source License

@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
    IStructuredSelection currentSelection = (IStructuredSelection) HandlerUtil.getCurrentSelection(event);
    Object obj = currentSelection.iterator().next();
    if (obj instanceof WorkFlow) {
        WorkFlow workflow = (WorkFlow) obj;
        workflow.save(false);//from  w  w w.  jav  a2 s  .c  o m
    }

    return null;
}

From source file:com.microsoft.tfs.client.common.ui.framework.helper.SelectionHelper.java

License:Open Source License

public static Collection fromSelection(final ISelection selection, final Transformer transformer) {
    final List items = new ArrayList();

    if (selection != null) {
        if (selection instanceof IStructuredSelection) {
            final IStructuredSelection structuredSelection = (IStructuredSelection) selection;
            for (final Iterator it = structuredSelection.iterator(); it.hasNext();) {
                final Object input = it.next();
                final Object transformed = transformer.transform(input);
                items.add(transformed);/*  w  ww.  ja v a  2  s .  c o  m*/
            }
        }
    }

    return items;
}

From source file:com.microsoft.tfs.client.common.ui.framework.helper.SelectionUtils.java

License:Open Source License

/**
 * <p>/* w  w w  .j av a  2  s.  co m*/
 * Returns the elements contained in the selection as an array. The runtime
 * type of the array is specified by <code>targetType</code>. If
 * <code>adapt</code> is <code>true</code>, each element in the selection is
 * adapted to the specified target type. The array is computed in the
 * following way:
 * <ul>
 * <li>If the selection is <code>null</code>, an empty array (of the
 * specified target type) is returned</li>
 * <li>If the selection is not an {@link IStructuredSelection}, an
 * {@link IllegalArgumentException} is thrown</li>
 * <li>Otherwise, the selection's elements are optionally adapted and
 * converted to an array (of the specified target type) and returned</li>
 * </ul>
 * </p>
 *
 * <p>
 * You must not specify a primitive type as the <code>targetType</code>.
 * </p>
 *
 * @param selection
 *        the {@link ISelection} to get the elements for (can be
 *        <code>null</code> but if non-<code>null</code> must be an
 *        {@link IStructuredSelection})
 * @throws IllegalArgumentException
 *         if the specified {@link ISelection} is not <code>null</code> and
 *         is not an {@link IStructuredSelection}, or if the specified
 *         <code>targetType</code> is a primitive type, or if
 *         <code>adapt</code> is <code>true</code> and any of the selection
 *         elements could not be adapted to the target type
 * @throws ArrayStoreException
 *         if any of the (possibly adapted) selection elements are not
 *         compatible with the specified <code>targetType</code>
 * @return the (possibly adapted) selection elements as an array of the
 *         target type (never <code>null</code>)
 */
public static final Object[] selectionToArray(final ISelection selection, final Class targetType,
        final boolean adapt) {
    Check.notNull(targetType, "targetType"); //$NON-NLS-1$

    final IStructuredSelection structuredSelection = getStructuredSelection(selection);

    if (targetType.isPrimitive()) {
        throw new IllegalArgumentException("You must specify a non-primitive target type"); //$NON-NLS-1$
    }

    final Object[] result = (Object[]) Array.newInstance(targetType,
            (structuredSelection == null ? 0 : structuredSelection.size()));

    if (structuredSelection == null) {
        return result;
    }

    int ix = 0;
    for (final Iterator it = structuredSelection.iterator(); it.hasNext();) {
        final Object sourceElement = it.next();
        Object targetElement = sourceElement;

        if (adapt && sourceElement != null) {
            targetElement = Adapters.getAdapter(sourceElement, targetType);

            if (targetElement == null) {
                final String messageFormat = "adaptSelectionToArray({0}): could not adapt [{1}]"; //$NON-NLS-1$
                final String message = MessageFormat.format(messageFormat, targetType.getName(),
                        sourceElement.getClass().getName());
                throw new IllegalArgumentException(message);
            }
        }

        result[ix++] = targetElement;
    }

    return result;
}

From source file:com.microsoft.tfs.client.common.ui.framework.table.TableControl.java

License:Open Source License

/**
 * Called when a {@link CheckStateChangedEvent} occurs on the
 * {@link CheckboxTableViewer} backing this {@link TableControl}.
 *
 * @param event// ww  w.ja v a2s  .co  m
 *        the {@link CheckStateChangedEvent}
 */
protected void onCheckStateChanged(final CheckStateChangedEvent event) {
    final boolean checked = event.getChecked();

    if (isChecksAffectSelection()) {
        /*
         * propagate checked state to all elements in the current selection
         */
        viewer.getTable().setRedraw(false);
        final IStructuredSelection selection = (IStructuredSelection) viewer.getSelection();
        if (selection.size() == viewer.getTable().getItemCount()) {
            ((CheckboxTableViewer) viewer).setAllChecked(checked);
        } else {
            /*
             * Make sure the element being checked is part of the selection.
             * Otherwise, we ignore the selected elements. Avoids the case
             * where you have some elements selected, and check a
             * non-selected element. The checkstate of the selected elements
             * should NOT change in this case.
             */
            boolean checkedElementInSelection = false;

            for (final Iterator it = selection.iterator(); it.hasNext();) {
                if (it.next().equals(event.getElement())) {
                    checkedElementInSelection = true;
                    break;
                }
            }

            if (checkedElementInSelection) {
                for (final Iterator it = selection.iterator(); it.hasNext();) {
                    ((CheckboxTableViewer) viewer).setChecked(it.next(), checked);
                }
            }
        }
        viewer.getTable().setRedraw(true);
    }

    computeCheckedElements(true);

    final Object element = event.getElement();
    if (!hideElementFromCollections(element)) {
        notifyCheckStateListeners(element, event.getChecked());
    }
}

From source file:com.microsoft.tfs.client.common.ui.vcexplorer.versioncontrol.actions.helper.ActionEnablementHelper.java

License:Open Source License

/**
 * @return true if any item in the selection matches, false if no items
 *         match/*from  w w  w. ja  v  a 2s  .  co m*/
 */
private static boolean selectionAnySearch(final ISelection selection, final Matcher matcher) {
    if (selection instanceof IStructuredSelection) {
        final IStructuredSelection structuredSelection = (IStructuredSelection) selection;
        for (final Iterator it = structuredSelection.iterator(); it.hasNext();) {
            final Object selectionPart = it.next();
            if (matcher.matches(selectionPart)) {
                return true;
            }
        }
    }
    return false;
}

From source file:com.microsoft.tfs.client.common.ui.wit.dialogs.WorkItemPickerDialog.java

License:Open Source License

private void resultsControlSelectionChanged(final ISelection selection) {
    if (selection.isEmpty()) {
        selectedWorkItems = null;/*from www.  ja  v  a 2 s. com*/
    } else {
        final ArrayList selections = new ArrayList();
        final IStructuredSelection structuredSelection = (IStructuredSelection) selection;
        for (final Iterator it = structuredSelection.iterator(); it.hasNext();) {
            selections.add(it.next());
        }
        selectedWorkItems = (WorkItem[]) selections.toArray(new WorkItem[selections.size()]);
    }
    setOKEnablement();
}

From source file:com.microsoft.tfs.client.eclipse.ui.actions.ActionHelpers.java

License:Open Source License

/**
 * Calculates this action's current enablement by filtering the current
 * selection, returning true if <em>any item</em> is accepted by the filter.
 *
 * @param selection//from  w  w w  .j  a v  a2  s . c  o  m
 *        the selection to filter (must not be <code>null</code>)
 * @param filter
 *        the filter to use (must not be <code>null</code>)
 * @return true if this action should be enabled (the filter accepts
 *         <em>any item</em> in the selection), false if it should not be
 *         enabled (the filter rejects <em>all items</em> in the selection)
 */
public static boolean filterAcceptsAnyResource(final ISelection selection, final ResourceFilter filter) {
    if (selection instanceof IStructuredSelection == false) {
        return false;
    }

    final IStructuredSelection ss = (IStructuredSelection) selection;

    /*
     * Adapt each item as we encounter it, so we can filter it directly, and
     * possibly return early in a large selection without adapting every
     * element.
     */

    @SuppressWarnings("rawtypes")
    final Iterator it;

    for (it = ss.iterator(); it.hasNext();) {
        final IResource resource = (IResource) Adapters.getAdapter(it.next(), IResource.class);

        if (resource == null) {
            continue;
        }

        if (filter.filter(resource).isAccept()) {
            return true;
        }
    }

    return false;
}