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

List of usage examples for org.eclipse.jface.viewers IStructuredSelection size

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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.microsoft.tfs.client.common.ui.controls.wit.WorkItemList.java

License:Open Source License

private void addContextMenu() {
    final MenuManager menuMgr = new MenuManager("#PopUp"); //$NON-NLS-1$
    final IAction detailsAction = new Action() {
        @Override//from w  ww.  j  a  v  a2s. c o m
        public void run() {
            final IStructuredSelection selection = (IStructuredSelection) tableViewer.getSelection();
            workItemDoubleClicked((WorkItemCheckinInfo) selection.getFirstElement());
        }
    };
    detailsAction.setText(Messages.getString("WorkItemList.DetailsActionText")); //$NON-NLS-1$
    detailsAction.setEnabled(false);
    menuMgr.add(detailsAction);

    tableViewer.getControl().setMenu(menuMgr.createContextMenu(tableViewer.getControl()));

    tableViewer.addSelectionChangedListener(new ISelectionChangedListener() {
        @Override
        public void selectionChanged(final SelectionChangedEvent event) {
            final IStructuredSelection selection = (IStructuredSelection) event.getSelection();
            final boolean selectedItem = selection.size() > 0;
            detailsAction.setEnabled(selectedItem);
        }
    });
}

From source file:com.microsoft.tfs.client.common.ui.dialogs.vc.candidates.DeleteFromDiskAction.java

License:Open Source License

@Override
protected boolean computeEnablement(final IStructuredSelection selection) {
    if (selection.size() == 0) {
        return false;
    }//  w  ww  .  j  a v a  2  s.  c  o m

    final ChangeItem[] changes = (ChangeItem[]) SelectionUtils.selectionToArray(getSelection(),
            ChangeItem.class);

    // Ensure all are adds
    boolean nonAdd = false;
    for (final ChangeItem change : changes) {
        if (!change.getChangeType().contains(ChangeType.ADD)) {
            nonAdd = true;
            break;
        }
    }

    return !nonAdd;
}

From source file:com.microsoft.tfs.client.common.ui.dialogs.vc.candidates.ViewLocalFolderAction.java

License:Open Source License

@Override
protected boolean computeEnablement(final IStructuredSelection selection) {
    return selection.size() == 1;
}

From source file:com.microsoft.tfs.client.common.ui.editors.HistoryEditor.java

License:Open Source License

private String getStatusLineMessage(final IStructuredSelection selection) {
    if (selection.size() == 1) {
        final Changeset changeset = (Changeset) selection.getFirstElement();
        final int id = changeset.getChangesetID();
        final int count = changeset.getChanges() != null ? changeset.getChanges().length : 0;
        final String owner = changeset.getOwnerDisplayName();
        final String date = dateFormat.format(changeset.getDate().getTime());

        if (count == 1) {
            final String messageFormat = Messages.getString("HistoryEditor.SingleSelectOneChangeStatusFormat"); //$NON-NLS-1$
            return MessageFormat.format(messageFormat, Integer.toString(id), owner, date);

        } else {// w  ww . j a v a  2 s. co  m
            final String messageFormat = Messages
                    .getString("HistoryEditor.SingleSelectMultiChangeStatusFormat"); //$NON-NLS-1$
            return MessageFormat.format(messageFormat, Integer.toString(id), count, owner, date);
        }
    }

    if (selection.size() > 1) {
        final String messageFormat = Messages.getString("HistoryEditor.MultiSelectStatusFormat"); //$NON-NLS-1$
        return MessageFormat.format(messageFormat, selection.size());
    }

    return null;
}

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

License:Open Source License

/**
 * Obtains the size of the specified {@link ISelection}:
 * <ul>/*from w w  w  . j av  a  2 s .  c o m*/
 * <li>If the selection is <code>null</code>, <code>0</code> is returned
 * </li>
 * <li>If the selection is not an {@link IStructuredSelection}, an
 * {@link IllegalArgumentException} is thrown</li>
 * <li>Otherwise, the size of the structured selection is returned</li>
 * </ul>
 *
 * @param selection
 *        the {@link ISelection} to get the size 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}
 * @return the size of the structured selection
 */
public static final int getSelectionSize(final ISelection selection) {
    final IStructuredSelection ss = getStructuredSelection(selection);
    return (ss == null ? 0 : ss.size());
}

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

License:Open Source License

/**
 * <p>//from  ww w . jav a  2  s  .c o 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/*from   w w w .  j a  v  a 2s  .c om*/
 *        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.framework.validation.SelectionProviderValidator.java

License:Open Source License

@Override
protected IValidity computeValidity(final ISelection selection) {
    if (selection instanceof IStructuredSelection) {
        final IStructuredSelection structuredSelection = (IStructuredSelection) selection;
        final int size = structuredSelection.size();
        return numericConstraint.passes(size) ? Validity.VALID : Validity.invalid(errorMessage);
    }//from   w w w.  j av a  2  s  .  c  o m

    return Validity.invalid(errorMessage);
}

From source file:com.microsoft.tfs.client.common.ui.teambuild.teamexplorer.actions.TeamExplorerSingleBuildDefinitionAction.java

License:Open Source License

@Override
protected void onSelectionChanged(final IAction action, final ISelection selection) {
    super.onSelectionChanged(action, selection);
    if (action.isEnabled()) {
        if (action.isEnabled() && selection instanceof IStructuredSelection) {
            final IStructuredSelection structuredSelection = (IStructuredSelection) selection;
            if (structuredSelection.size() != 1) {
                action.setEnabled(false);
                return;
            }// w ww . j  ava2  s. com

            final Object obj = structuredSelection.getFirstElement();
            if (obj instanceof IBuildDefinition) {
                selectedDefinition = (IBuildDefinition) obj;
                return;
            } else if (obj instanceof BuildDetail) {
                final BuildDetail buildDetail = (BuildDetail) obj;
                if (buildDetail.getBuildDefinition() != null) {
                    selectedDefinition = buildDetail.getBuildDefinition();
                    return;
                }
            } else if (obj instanceof QueuedBuild) {
                final QueuedBuild queuedBuild = (QueuedBuild) obj;
                if (queuedBuild.getBuildDefinition() != null) {
                    selectedDefinition = queuedBuild.getBuildDefinition();
                    return;
                }
            } else if (obj instanceof BuildFavoriteItem) {
                final BuildFavoriteItem favorite = (BuildFavoriteItem) obj;
                if (favorite.getBuildDefinitionType() == DefinitionType.XAML) {
                    selectedDefinition = (IBuildDefinition) favorite.getBuildDefinition();
                    return;
                }
            }

            selectedDefinition = null;
            action.setEnabled(false);
            return;
        }
    }
}

From source file:com.microsoft.tfs.client.common.ui.vcexplorer.versioncontrol.VersionControlEditor.java

License:Open Source License

private void handleFolderSelection(final ISelection selection) {
    if (!(selection instanceof IStructuredSelection)) {
        return;//  w w w  . j av a  2s .  co  m
    }

    CodeMarkerDispatch.dispatch(CODEMARKER_FILE_REFRESH_START);

    final IStructuredSelection iss = (IStructuredSelection) selection;
    final TFSRepository repository = getRepository();

    if (iss.size() != 1) {
        fileControl.clear();
    } else if (repository != null) {
        final TFSFolder folder = (TFSFolder) iss.getFirstElement();
        fileControl.refresh(folder);
        try {
            fileControl.setSelectedServerPath(repository, folder.getFullPath());
        } catch (final ServerPathFormatException e) {
            final String messageFormat = "Server path incorrect: {0}"; //$NON-NLS-1$
            final String message = MessageFormat.format(messageFormat, folder.getFullPath());
            log.error(message, e);
        }
    }

    CodeMarkerDispatch.dispatch(CODEMARKER_FILE_REFRESH_COMPLETE);
}