gov.va.isaac.mdht.otf.ui.properties.OTFTableViewer.java Source code

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Here is the source code for gov.va.isaac.mdht.otf.ui.properties.OTFTableViewer.java

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/*******************************************************************************
 * Copyright Notice
 *
 * This is a work of the U.S. Government and is not subject to copyright
 * protection in the United States. Foreign copyrights may apply.
 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *******************************************************************************/
package gov.va.isaac.mdht.otf.ui.properties;

import gov.va.isaac.mdht.otf.ui.providers.ComponentLabelProvider;
import gov.va.isaac.mdht.otf.ui.providers.ConceptContentProvider;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.jface.viewers.IContentProvider;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TableViewerColumn;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Table;
import org.ihtsdo.otf.tcc.api.chronicle.ComponentBI;

public abstract class OTFTableViewer extends TableViewer {
    private IContentProvider contentProvider = null;
    private ILabelProvider labelProvider = null;

    public OTFTableViewer(Table table) {
        super(table);

        createColumns();
        table.setHeaderVisible(true);
        table.setLinesVisible(true);

        contentProvider = createContentProvider();
        labelProvider = createLabelProvider();
        setContentProvider(contentProvider);
        setLabelProvider(labelProvider);
    }

    public IContentProvider getContentProvider() {
        if (contentProvider == null) {
            contentProvider = createContentProvider();
        }
        return contentProvider;
    }

    protected IContentProvider createContentProvider() {
        return new ConceptContentProvider();
    }

    public ILabelProvider getLabelProvider() {
        if (labelProvider == null) {
            labelProvider = createLabelProvider();
        }
        return labelProvider;
    }

    protected ILabelProvider createLabelProvider() {
        return new ComponentLabelProvider();
    }

    protected abstract void createColumns();

    protected TableViewerColumn createTableViewerColumn(String header, int width, int idx) {
        TableViewerColumn column = new TableViewerColumn(this, SWT.LEFT, idx);
        column.getColumn().setText(header);
        column.getColumn().setWidth(width);
        column.getColumn().setResizable(true);
        column.getColumn().setMoveable(true);

        return column;
    }

    public List<ComponentBI> getSelectedComponents() {
        List<ComponentBI> selectedComponents = new ArrayList<ComponentBI>();
        ISelection selection = getSelection();
        if (selection instanceof IStructuredSelection) {
            for (Object selected : ((IStructuredSelection) selection).toList()) {
                if (selected instanceof ComponentBI) {
                    selectedComponents.add((ComponentBI) selected);
                }
            }
        }

        return selectedComponents;
    }
}