bundles/org.eclipse.platform.discovery.compatibility/src/org/eclipse/platform/discovery/compatibility/internal/contributors/impl/results/CompatCustomResultsUiCreator.java

package org.eclipse.platform.discovery.compatibility.internal.contributors.impl.results;

import java.util.Map;
import java.util.Set;

import org.eclipse.core.runtime.Platform;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.Separator;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.platform.discovery.compatibility.internal.contributors.impl.searchparams.SearchPageToSearchParamsUIAdapter;
import org.eclipse.platform.discovery.compatibility.internal.contributors.impl.searchparams.SearchPageToSearchParamsUIAdapter.WokbenchContext;
import org.eclipse.platform.discovery.compatibility.internal.readers.ISearchResultPageDescription;
import org.eclipse.platform.discovery.compatibility.internal.readers.impl.SearchResultPageParser;
import org.eclipse.platform.discovery.core.api.IContributedAction;
import org.eclipse.platform.discovery.core.api.ISearchContext;
import org.eclipse.platform.discovery.ui.api.ISearchConsoleCustomization;
import org.eclipse.platform.discovery.ui.api.ISearchResultCustomUiCreator;
import org.eclipse.search.ui.ISearchResult;
import org.eclipse.search.ui.ISearchResultPage;
import org.eclipse.search.ui.ISearchResultViewPart;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.IMemento;
import org.eclipse.ui.IPropertyListener;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.IViewSite;
import org.eclipse.ui.IWorkbenchPartSite;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.forms.widgets.FormToolkit;
import org.eclipse.ui.part.IPageSite;

public class CompatCustomResultsUiCreator implements ISearchResultCustomUiCreator {

	private ISearchResultPage page;
	private IPageSite site;
	private Label label;
	

	@Override
	public Composite createSearchUi(Composite parent, ISearchContext searchContext, FormToolkit formToolkit, Set<IContributedAction> actions,
			Set<ISearchConsoleCustomization> viewCustomizations) {
		 page = getResultPage(searchContext.searchResult().getClass().getName());
		parent.setLayout(new GridLayout());
		
		Map<Object, Object> custParams = searchContext.searchParameters().getCustomParameters();
		SearchPageToSearchParamsUIAdapter.WokbenchContext ctx = (WokbenchContext) custParams.get(SearchPageToSearchParamsUIAdapter.WORKBENCH_CONTEXT);

		site = ctx.pageSite;
		site.getActionBars().getMenuManager().add(new Separator("group.viewerSetup"));
		site.getActionBars().getMenuManager().add(new Separator("group.properties"));
		site.getActionBars().getMenuManager().add(new Separator("group.filtering"));
		page.setViewPart(adapter(ctx.viewPart));
		try {
			page.init(ctx.pageSite);
		} catch (PartInitException e) {
			throw new RuntimeException(e);
		}
		
		Composite result = formToolkit.createComposite(parent);
		GridDataFactory.defaultsFor(result).grab(true, true).applyTo(result);
		result.setLayout(new GridLayout());

		label = formToolkit.createLabel(result, page.getLabel());
		GridDataFactory.defaultsFor(label).grab(true, false).applyTo(label);
		
		page.createControl(result);
		page.setInput((ISearchResult) searchContext.searchResult(), null);
		label.setText(page.getLabel());
		
		site.getActionBars().updateActionBars();
		
		return result;
	}


	private ISearchResultPage getResultPage(String resultClassName) {
		SearchResultPageParser parser = new SearchResultPageParser(Platform.getExtensionRegistry());
		for(ISearchResultPageDescription desc: parser.readContributions()) {
			if(resultClassName.equals(desc.getSearchResultClassName())) {
				return desc.getPage();
			}
		}
		throw new RuntimeException("not found");
	}

	@Override
	public void registerResultSelectionChangedListener(ISelectionChangedListener selChangedListener) {
		
	}

	@Override
	public Object restoreData() {
		return new Object();
	}

	@Override
	public void restore(Object data) {
		
	}
	
	private ISearchResultViewPart adapter(final IViewPart part) {
		return new ISearchResultViewPart() {
			
			@Override
			public Object getAdapter(@SuppressWarnings("rawtypes") Class adapter) {
				return part.getAdapter(adapter);
			}
			
			@Override
			public void setFocus() {
				part.setFocus();
			}
			
			@Override
			public void removePropertyListener(IPropertyListener listener) {
				part.removePropertyListener(listener);
			}
			
			@Override
			public String getTitleToolTip() {
				return part.getTitleToolTip();
			}
			
			@Override
			public Image getTitleImage() {
				return part.getTitleImage();
			}
			
			@Override
			public String getTitle() {
				return part.getTitle();
			}
			
			@Override
			public IWorkbenchPartSite getSite() {
				return part.getSite();
			}
			
			@Override
			public void dispose() {
				part.dispose();
			}
			
			@Override
			public void createPartControl(Composite parent) {
				part.createPartControl(parent);
			}
			
			@Override
			public void addPropertyListener(IPropertyListener listener) {
				part.addPropertyListener(listener);
			}
			
			@Override
			public void saveState(IMemento memento) {
				part.saveState(memento);
			}
			
			@Override
			public void init(IViewSite site, IMemento memento) throws PartInitException {
				part.init(site, memento);
			}
			
			@Override
			public void init(IViewSite site) throws PartInitException {
				part.init(site);
			}
			
			@Override
			public IViewSite getViewSite() {
				return part.getViewSite();
			}
			
			@Override
			public void updateLabel() {
//				label.setText(page.getLabel());
			}
			
			@Override
			public ISearchResultPage getActivePage() {
				return page;
			}
			
			@Override
			public void fillContextMenu(IMenuManager menuManager) {
				//TODO
			}
		};
	}

	@Override
	public void dispose() {
		if(site!=null) {
			IActionBars bars = site.getActionBars();
			bars.getMenuManager().removeAll();
			bars.getMenuManager().update(true);
			bars.getToolBarManager().removeAll();
			bars.getToolBarManager().update(true);

			bars.updateActionBars();
		}
		page.dispose();
	}

}