Java 类org.eclipse.ui.part.MultiPageEditorActionBarContributor 实例源码

@Override
    public void setActivePage(IEditorPart page) {
        for (MultiPageEditorActionBarContributor c : INSTANCES) {
            c.setActivePage(page);
        }
        IActionBars bars = getActionBars();
        if (bars != null) {
            if (page instanceof IEnsembleEditorPart) {
                ((IEnsembleEditorPart)page).updateActionBars(bars);
            } 
            bars.setGlobalActionHandler(IPlanEditorConstants.ACTION_SET_COLLAPSE_ALL_RETARGET, collapseActionHandler);
            bars.setGlobalActionHandler(IPlanEditorConstants.ACTION_SET_EXPAND_ALL_RETARGET, expandActionHandler);
//          bars.setGlobalActionHandler(IPlanEditorConstants.ACTION_SET_VALIDATE_PLAN_RETARGET, validatePlanActionHandler);
            bars.updateActionBars();
        }
    }

@Override
protected void postPageChange(int newPageIndex, int oldPageIndex) {
    AbstractVisualEditor activeEditor = editors.get(newPageIndex);
    //request the rapaint of the element on the main editor node when switching between the subeditors, supposing they were modified in the subeditor
    if (oldPageIndex > 0){
        AbstractVisualEditor oldEditor = editors.get(oldPageIndex);
        INode subModel = getInnerModel(oldEditor.getModel());
        ((JRChangeEventsSupport)subModel.getValue()).getEventSupport().firePropertyChange(MGraphicElement.FORCE_GRAPHICAL_REFRESH, null, null);
    }
    IEditorActionBarContributor contributor = parent.getEditorSite().getActionBarContributor();
    if (contributor != null && contributor instanceof MultiPageEditorActionBarContributor) {

        ((MultiPageEditorActionBarContributor) contributor).setActivePage(activeEditor);
    }
}

@Override
public void init(IActionBars bars) {
    super.init(bars);
    for (MultiPageEditorActionBarContributor c : INSTANCES) {
        c.init(bars);
    }
}

@Override
public void dispose() {
    super.dispose();
    for (MultiPageEditorActionBarContributor c : INSTANCES) {
        c.dispose();
    }       
}

protected void pageChange(final int newPageIndex, final int oldPageIndex) {
    getActiveEditor();
    deactivateSite(false, false);

    IPartService partService = (IPartService) getSite().getService(IPartService.class);
    if (partService.getActivePart() == this) {
        setFocus();
    }

    IEditorPart activeEditor = getEditor(newPageIndex);

    IEditorActionBarContributor contributor = getEditorSite().getActionBarContributor();
    if (contributor != null && contributor instanceof MultiPageEditorActionBarContributor) {
        ((MultiPageEditorActionBarContributor) contributor).setActivePage(activeEditor);
    }

    if (activeEditor != null) {
        ISelectionProvider selectionProvider = activeEditor.getSite().getSelectionProvider();
        if (selectionProvider != null) {
            ISelectionProvider outerProvider = getSite().getSelectionProvider();
            if (outerProvider instanceof MultiPageToolbarSelectionProvider) {
                SelectionChangedEvent event = new SelectionChangedEvent(selectionProvider, selectionProvider.getSelection());

                MultiPageToolbarSelectionProvider provider = (MultiPageToolbarSelectionProvider) outerProvider;
                provider.fireSelectionChanged(event);
                provider.firePostSelectionChanged(event);
            } else {
                if (Policy.DEBUG_MPE) {
                    Tracing.printTrace(TRACING_COMPONENT, "MultiPageEditorPart " + getTitle() //$NON-NLS-1$
                            + " did not propogate selection for " //$NON-NLS-1$
                            + activeEditor.getTitle());
                }
            }
        }
    }

    activateSite();

    postPageChange(newPageIndex, oldPageIndex);

    Object selectedPage = getSelectedPage();
    if (selectedPage != null) {
        firePageChanged(new PageChangedEvent(this, selectedPage));
    }
}

@Override
public void setActiveEditor(IEditorPart part) {
    super.setActiveEditor(part);
    for (MultiPageEditorActionBarContributor c : INSTANCES)
        c.setActiveEditor(part);
}