org.eclipse.rcptt.verifications.tree.ui.VerificationEditingSupport.java Source code

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Here is the source code for org.eclipse.rcptt.verifications.tree.ui.VerificationEditingSupport.java

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/*******************************************************************************
 * Copyright (c) 2009, 2015 Xored Software Inc 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:
 *     Xored Software Inc - initial API and implementation and/or initial documentation
 *******************************************************************************/
package org.eclipse.rcptt.verifications.tree.ui;

import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.jface.viewers.ColumnViewer;
import org.eclipse.jface.viewers.EditingSupport;
import org.eclipse.jface.viewers.TextCellEditor;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.ViewerCell;
import org.eclipse.rcptt.tesla.core.utils.WidgetModels;
import org.eclipse.rcptt.verifications.tree.Cell;
import org.eclipse.rcptt.verifications.tree.Row;

public class VerificationEditingSupport extends EditingSupport {

    private TextCellEditor cellEditor;

    public VerificationEditingSupport(ColumnViewer viewer) {
        super(viewer);
        cellEditor = new TextCellEditor(((TreeViewer) viewer).getTree());
    }

    @Override
    protected void initializeCellEditorValue(CellEditor cellEditor, ViewerCell cell) {
        if (cell.getElement() instanceof Row) {
            Cell tableCell = ((Row) cell.getElement()).getValues().get(cell.getColumnIndex());
            cellEditor.setValue(getValue(tableCell));
        }
    }

    @Override
    protected void saveCellEditorValue(CellEditor cellEditor, ViewerCell cell) {
        if (cell.getElement() instanceof Row) {
            Cell tableCell = ((Row) cell.getElement()).getValues().get(cell.getColumnIndex());
            setValue(tableCell, cellEditor.getValue());
            getViewer().refresh();
        }
    }

    @Override
    protected CellEditor getCellEditor(Object element) {
        return cellEditor;
    }

    @Override
    protected boolean canEdit(Object element) {
        return false;
    }

    @Override
    protected Object getValue(Object element) {
        String result = "";
        if (element instanceof Cell) {
            result = WidgetModels.getTextWithoutStyle(((Cell) element).getStyle(),
                    ((Cell) element).getData().getText());
        }
        return result;

    }

    @Override
    protected void setValue(Object element, Object value) {
        if (element instanceof Cell) {
            Object oldValue = getValue(element);
            if (!oldValue.equals(value)) {
                ((Cell) element).getData().setText(value.toString());
                ((Cell) element).getStyle().clear();
            }
        }
    }
}