com.netxforge.netxstudio.screens.f2.TolerancesLabelProvider.java Source code

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Here is the source code for com.netxforge.netxstudio.screens.f2.TolerancesLabelProvider.java

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/*******************************************************************************
 * Copyright (c) 22 nov. 2012 NetXForge.
 * 
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details. You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>
 * 
 * Contributors: Christophe Bouhier - initial API and implementation and/or
 * initial documentation
 *******************************************************************************/
package com.netxforge.netxstudio.screens.f2;

import org.eclipse.emf.common.util.EList;
import org.eclipse.jface.viewers.CellLabelProvider;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.ViewerCell;
import org.eclipse.swt.graphics.Image;

import com.netxforge.netxstudio.library.Expression;
import com.netxforge.netxstudio.library.Tolerance;

public class TolerancesLabelProvider extends CellLabelProvider implements ITableLabelProvider {

    public Image getColumnImage(Object element, int columnIndex) {
        return null;
    }

    public String getColumnText(Object element, int columnIndex) {
        if (element instanceof Tolerance) {
            Tolerance t = (Tolerance) element;
            switch (columnIndex) {
            case 0: {
                if (t.getName() != null) {
                    return t.getName();
                }
            }
            case 1: {
                if (t.getLevel() != null) {
                    return t.getLevel().getName();
                }
            }
            case 2: {
                if (t.getExpressionRef() != null) {
                    Expression e = t.getExpressionRef();
                    EList<String> s = e.getExpressionLines();
                    if (s.size() > 0) {
                        return s.get(0) + (s.size() > 1 ? " ( " + (s.size() - 1) + " more lines)" : "");
                    }
                }
            }
                break;
            }
        }
        return null;
    }

    @Override
    public void update(ViewerCell cell) {
        String text = getColumnText(cell.getElement(), cell.getColumnIndex());
        cell.setText(text);
    }
}