org.eclipse.search/search/org/eclipse/search/internal/ui/SearchResultView.java

/*
 * (c) Copyright IBM Corp. 2000, 2001.
 * All Rights Reserved.
 */
package org.eclipse.search.internal.ui;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;

import org.eclipse.core.resources.IMarker;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspace;

import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;

import org.eclipse.jface.action.IAction;
import org.eclipse.jface.action.IToolBarManager;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.util.Assert;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.ISelection;

import org.eclipse.ui.help.ViewContextComputer;
import org.eclipse.ui.help.WorkbenchHelp;
import org.eclipse.ui.part.ViewPart;

import org.eclipse.search.ui.IContextMenuContributor;
import org.eclipse.search.ui.IGroupByKeyComputer;
import org.eclipse.search.ui.ISearchResultView;

public class SearchResultView extends ViewPart implements ISearchResultView {
	private SearchResultViewer fViewer;
	private Map fResponse;
	
	/**
	 * Creates the search list inner viewer.
	 */
	public void createPartControl(Composite parent) {
		Assert.isTrue(fViewer == null);
		fViewer= new SearchResultViewer(this, parent);
		IWorkspace workspace= SearchPlugin.getWorkspace();
		SearchManager.getDefault().addSearchChangeListener(fViewer);
		Search search= SearchManager.getDefault().getCurrentSearch();
		if (search != null)
			fViewer.setPageId(search.getPageId());
		fViewer.setInput(SearchManager.getDefault().getCurrentResults());
		fillToolBar(getViewSite().getActionBars().getToolBarManager());	
		getSite().setSelectionProvider(fViewer);
		
		WorkbenchHelp.setHelp(fViewer.getControl(), new ViewContextComputer(this, ISearchHelpContextIds.SEARCH_VIEW));
	}
	
	/**
	 * Returns the search result viewer.
	 */
	SearchResultViewer getViewer() {
		return fViewer;
	}
	
	//---- IWorkbenchPart ------------------------------------------------------

	public void setFocus() {
		fViewer.getControl().setFocus();
	}
	
	public void dispose() {
		SearchManager.getDefault().removeSearchChangeListener(fViewer);
		fViewer= null;
		super.dispose();
	}
	
	protected void setTitle(String title) {
		super.setTitle(title);
	}
	
	protected void setTitleToolTip(String text) {
		super.setTitleToolTip(text);
	}
	
	//---- Adding Action to Toolbar -------------------------------------------
	
	private void fillToolBar(IToolBarManager tbm) {
		fViewer.fillToolBar(tbm);
	}	
	
	private void setLabelProvider(final ILabelProvider provider) {
		// Make sure we are doing it in the right thread.
		getDisplay().syncExec(new Runnable() {
			public void run() {
				fViewer.internalSetLabelProvider(provider);
			}
		});
	}
	
	private void setContextMenuContributor(final IContextMenuContributor contributor) {
		// Make sure we are doing it in the right thread.
		getDisplay().syncExec(new Runnable() {
			public void run() {
				fViewer.setContextMenuTarget(contributor);
			}
		});
	}

	private void setGotoMarkerAction(final IAction gotoMarkerAction) {
		// Make sure we are doing it in the right thread.
		getDisplay().syncExec(new Runnable() {
			public void run() {
				fViewer.setGotoMarkerAction(gotoMarkerAction);
			}
		});
	}

	Display getDisplay() {
		return fViewer.getControl().getDisplay();
	}	

	//---- ISearchResultView --------------------------------------------------

	/*
	 * Implements method from ISearchResultView
	 */
	public ISelection getSelection() {
		return fViewer.getSelection();
	}

	/*
	 * Implements method from ISearchResultView
	 */
	public void searchStarted(
				String			pageId,
				String			label,
				ImageDescriptor		imageDescriptor,
				IContextMenuContributor contributor,
				ILabelProvider		labelProvider,
				IAction			gotoAction,
				IGroupByKeyComputer	groupByKeyComputer,
				IRunnableWithProgress	operation) {

		Assert.isNotNull(pageId);
		Assert.isNotNull(label);
		Assert.isNotNull(gotoAction);		

		fResponse= new HashMap(500);
		setGotoMarkerAction(gotoAction);

		SearchManager.getDefault().addNewSearch(		
			new Search(
				pageId,
				label,
				labelProvider,
				imageDescriptor,
				fViewer.getGotoMarkerAction(),
				contributor,
				groupByKeyComputer,
				operation));
	};

	/*
	 * Implements method from ISearchResultView
	 */
	public void addMatch(String description, Object groupByKey, IResource resource, IMarker marker) {
		SearchResultViewEntry entry= (SearchResultViewEntry)fResponse.get(groupByKey);
		if (entry == null) {
			entry= new SearchResultViewEntry(groupByKey, resource);
			fResponse.put(groupByKey, entry);
		}
		entry.add(marker);
	}

	/*
	 * Implements method from ISearchResultView
	 */
	public void searchFinished() {
		SearchManager.getDefault().setCurrentResults(new ArrayList(fResponse.values()));
	}	
}