hydrograph.ui.parametergrid.dialog.support.ParameterEditingSupport.java Source code

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Here is the source code for hydrograph.ui.parametergrid.dialog.support.ParameterEditingSupport.java

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/********************************************************************************
 * Copyright 2017 Capital One Services, LLC and Bitwise, Inc.
 * 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 hydrograph.ui.parametergrid.dialog.support;

import org.apache.commons.lang.StringUtils;
import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.jface.viewers.EditingSupport;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TextCellEditor;

import hydrograph.ui.parametergrid.constants.MultiParameterFileDialogConstants;
import hydrograph.ui.parametergrid.dialog.MultiParameterFileDialog;
import hydrograph.ui.parametergrid.dialog.models.Parameter;

/**
 * 
 * Cell editor for Parameter Grid
 * 
 * @author Bitwise
 *
 */
public class ParameterEditingSupport extends EditingSupport {
    private final TableViewer viewer;
    private final CellEditor editor;
    private String columnName;
    private MultiParameterFileDialog multiParameterFileDialog;

    public ParameterEditingSupport(TableViewer viewer, String columnName,
            MultiParameterFileDialog multiParameterFileDialog) {
        super(viewer);
        this.viewer = viewer;
        this.editor = new TextCellEditor(viewer.getTable());
        this.columnName = columnName;
        this.multiParameterFileDialog = multiParameterFileDialog;
    }

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

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

    @Override
    protected Object getValue(Object element) {
        if (MultiParameterFileDialogConstants.PARAMETER_NAME.equals(columnName))
            return ((Parameter) element).getParameterName();
        else if (MultiParameterFileDialogConstants.PARAMETER_VALUE.equals(columnName))
            return ((Parameter) element).getParameterValue();
        else
            return null;
    }

    @Override
    protected void setValue(Object element, Object userInputValue) {

        if (MultiParameterFileDialogConstants.PARAMETER_NAME.equals(columnName)) {
            if (!StringUtils.equals(((Parameter) element).getParameterName(), String.valueOf(userInputValue))) {
                ((Parameter) element).setParameterName(String.valueOf(userInputValue));
                multiParameterFileDialog.getApplyButton().setEnabled(true);
            }

        } else if (MultiParameterFileDialogConstants.PARAMETER_VALUE.equals(columnName)) {
            if (!StringUtils.equals(((Parameter) element).getParameterValue(), String.valueOf(userInputValue))) {
                ((Parameter) element).setParameterValue(String.valueOf(userInputValue));
                multiParameterFileDialog.getApplyButton().setEnabled(true);
            }
        }
        viewer.update(element, null);
    }
}