org.eclipse.wst.common.ui.internal.search.SearchResultTableContentProvider.java Source code

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Here is the source code for org.eclipse.wst.common.ui.internal.search.SearchResultTableContentProvider.java

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/*******************************************************************************
 * Copyright (c) 2000, 2005 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.wst.common.ui.internal.search;

import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.search.ui.text.AbstractTextSearchResult;
import org.eclipse.wst.common.ui.internal.search.basecode.IFileSearchContentProvider;

public class SearchResultTableContentProvider implements IStructuredContentProvider, IFileSearchContentProvider {

    private final Object[] EMPTY_ARR = new Object[0];

    private SearchResultPage fPage;
    private AbstractTextSearchResult fResult;

    public SearchResultTableContentProvider(SearchResultPage page) {
        fPage = page;
    }

    public void dispose() {
        // nothing to do
    }

    public Object[] getElements(Object inputElement) {
        if (inputElement instanceof SearchResult) {
            Object[] elements = ((SearchResult) inputElement).getElements();
            // cs : I've comment this code out for now.  We need to review the changes to the base class and react accordingly.
            // Even more importantly we need to discuss with the base guys to get API lined up for this (see bug 163177).
            /*
            int tableLimit= SearchPreferencePage.getTableLimit();
            if (SearchPreferencePage.isTableLimited() && elements.length > tableLimit) {
               Object[] shownElements= new Object[tableLimit];
               System.arraycopy(elements, 0, shownElements, 0, tableLimit);
               return shownElements;
            }*/
            return elements;
        }
        return EMPTY_ARR;
    }

    public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
        if (newInput instanceof SearchResult) {
            fResult = (SearchResult) newInput;
        }
    }

    public void elementsChanged(Object[] updatedElements) {
        TableViewer viewer = getViewer();
        // cs : I've comment 'tableLimited' related code out for now.  We need to review the changes to the base class and react accordingly.
        // Even more importantly we need to discuss with the base guys to get API lined up for this (see bug 163177).
        //boolean tableLimited= SearchPreferencePage.isTableLimited();
        for (int i = 0; i < updatedElements.length; i++) {
            if (fResult.getMatchCount(updatedElements[i]) > 0) {
                if (viewer.testFindItem(updatedElements[i]) != null)
                    viewer.update(updatedElements[i], null);
                else {
                    //if (!tableLimited || viewer.getTable().getItemCount() < SearchPreferencePage.getTableLimit())
                    viewer.add(updatedElements[i]);
                }
            } else
                viewer.remove(updatedElements[i]);
        }
    }

    private TableViewer getViewer() {
        return (TableViewer) fPage.getViewer();
    }

    public void clear() {
        getViewer().refresh();
    }
}