org.ebayopensource.turmeric.eclipse.services.search.SOASearchResultPage.java Source code

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Here is the source code for org.ebayopensource.turmeric.eclipse.services.search.SOASearchResultPage.java

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/*******************************************************************************
 * Copyright (c) 2006-2010 eBay Inc. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *******************************************************************************/
/**
 * 
 */
package org.ebayopensource.turmeric.eclipse.services.search;

import org.ebayopensource.turmeric.eclipse.services.search.SOASearchResult.SOASearchResultService;
import org.eclipse.jface.viewers.ColumnWeightData;
import org.eclipse.jface.viewers.TableLayout;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerSorter;
import org.eclipse.search.ui.text.AbstractTextSearchViewPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;

/**
 * The Class SOASearchResultPage.
 *
 * @author yayu
 */
public class SOASearchResultPage extends AbstractTextSearchViewPage {
    private SOASearchTableContentProvider fContentProvider;

    /**
     * Instantiates a new sOA search result page.
     */
    public SOASearchResultPage() {
        super(FLAG_LAYOUT_FLAT);
    }

    /* (non-Javadoc)
     * @see org.eclipse.search.ui.text.AbstractTextSearchViewPage#elementsChanged(java.lang.Object[])
     */
    @Override
    protected void elementsChanged(Object[] objects) {
        if (fContentProvider != null)
            fContentProvider.elementsChanged(objects);
    }

    /* (non-Javadoc)
     * @see org.eclipse.search.ui.text.AbstractTextSearchViewPage#clear()
     */
    @Override
    protected void clear() {
        if (fContentProvider != null)
            fContentProvider.clear();
    }

    /* (non-Javadoc)
     * @see org.eclipse.search.ui.text.AbstractTextSearchViewPage#configureTableViewer(org.eclipse.jface.viewers.TableViewer)
     */
    @Override
    protected void configureTableViewer(final TableViewer viewer) {
        viewer.setLabelProvider(new SOASearchTableLabelProvider());
        fContentProvider = new SOASearchTableContentProvider();
        viewer.setContentProvider(fContentProvider);
        final Table table = viewer.getTable();
        table.setHeaderVisible(true);
        table.setLinesVisible(true);
        //set the columns for the table and the sorter used for he table
        {
            final TableLayout layout = new TableLayout();
            layout.addColumnData(new ColumnWeightData(35, 150, true));
            layout.addColumnData(new ColumnWeightData(15, 100, true));
            layout.addColumnData(new ColumnWeightData(15, 120, true));
            table.setLayout(layout);

            viewer.setSorter(new SOASearchResultTableViewerSorter());

            TableColumn svcNameColumn = new TableColumn(table, SWT.LEFT);
            svcNameColumn.setText("Service Name");
            svcNameColumn.addSelectionListener(new TableSortSelectionAdatper(viewer, svcNameColumn, 0));

            TableColumn svcLayerColumn = new TableColumn(table, SWT.LEFT);
            svcLayerColumn.setText("Service Layer");
            svcLayerColumn.addSelectionListener(new TableSortSelectionAdatper(viewer, svcLayerColumn, 1));

            TableColumn svcVersionColumn = new TableColumn(table, SWT.LEFT);
            svcVersionColumn.setText("Service Version");
            svcVersionColumn.addSelectionListener(new TableSortSelectionAdatper(viewer, svcVersionColumn, 2));
        }

        //add the viewer as the selection provider
        getSite().setSelectionProvider(viewer);

    }

    /* (non-Javadoc)
     * @see org.eclipse.search.ui.text.AbstractTextSearchViewPage#configureTreeViewer(org.eclipse.jface.viewers.TreeViewer)
     */
    @Override
    protected void configureTreeViewer(TreeViewer viewer) {

    }

    private static class SOASearchResultTableViewerSorter extends ViewerSorter {
        //0=service name, 1=service layer, 2=service version
        private int column;

        @Override
        public int compare(Viewer viewer, Object e1, Object e2) {
            int result = 0;
            if (e1 instanceof SOASearchResultService && e2 instanceof SOASearchResultService) {
                SOASearchResultService svc1 = (SOASearchResultService) e1;
                SOASearchResultService svc2 = (SOASearchResultService) e2;
                switch (column) {
                case 0:
                    result = svc1.getServiceName().compareToIgnoreCase(svc2.getServiceName());
                    break;
                case 1:
                    result = svc1.getServiceLayer().compareToIgnoreCase(svc2.getServiceLayer());
                    break;
                case 2:
                    result = svc1.getServiceVersion().compareToIgnoreCase(svc2.getServiceVersion());
                    break;
                }
            }

            // If descending order, flip the direction
            if (viewer instanceof TableViewer && ((TableViewer) viewer).getTable().getSortDirection() == SWT.DOWN) {
                result = -result;
            }

            return result;
        }
    }

    private static class TableSortSelectionAdatper extends SelectionAdapter {
        private TableColumn tableColumn;
        private TableViewer viewer;
        private int index;

        public TableSortSelectionAdatper(TableViewer viewer, TableColumn column, int index) {
            super();
            this.tableColumn = column;
            this.viewer = viewer;
            this.index = index;
        }

        @Override
        public void widgetSelected(SelectionEvent e) {
            if (viewer.getSorter() instanceof SOASearchResultTableViewerSorter) {
                ((SOASearchResultTableViewerSorter) viewer.getSorter()).column = index;
            }
            //find the sort direction seen on the column while sorting
            int dir = viewer.getTable().getSortDirection();
            if (viewer.getTable().getSortColumn() == tableColumn) {
                dir = dir == SWT.UP ? SWT.DOWN : SWT.UP;
            } else {
                dir = SWT.DOWN;
            }
            viewer.getTable().setSortDirection(dir);
            viewer.getTable().setSortColumn(tableColumn);
            //refresh the table to see the change
            viewer.refresh();
        }

    }

}