Java tutorial
/******************************************************************************* * 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.propertywindow.widgets.dialogs.join.support; import hydrograph.ui.datastructure.property.LookupMapProperty; import hydrograph.ui.propertywindow.widgets.dialogs.join.utils.JoinMapDialogConstants; import org.eclipse.jface.viewers.CellEditor; import org.eclipse.jface.viewers.EditingSupport; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.TextCellEditor; /** * * Cell editor for Parameter Grid * * @author Bitwise * */ public class JoinMappingEditingSupport extends EditingSupport { private final TableViewer viewer; private final CellEditor editor; private String columnName; public JoinMappingEditingSupport(TableViewer viewer, String columnName) { super(viewer); this.viewer = viewer; this.editor = new TextCellEditor(viewer.getTable()); this.columnName = columnName; } @Override protected CellEditor getCellEditor(Object element) { return editor; } @Override protected boolean canEdit(Object element) { return true; } @Override protected Object getValue(Object element) { if (JoinMapDialogConstants.INPUT_FIELD.equals(columnName)) return ((LookupMapProperty) element).getSource_Field(); else if (JoinMapDialogConstants.OUTPUT_FIELD.equals(columnName)) return ((LookupMapProperty) element).getOutput_Field(); else return null; } @Override protected void setValue(Object element, Object userInputValue) { if (JoinMapDialogConstants.INPUT_FIELD.equals(columnName)) ((LookupMapProperty) element).setSource_Field(String.valueOf(userInputValue)); else if (JoinMapDialogConstants.OUTPUT_FIELD.equals(columnName)) ((LookupMapProperty) element).setOutput_Field(String.valueOf(userInputValue)); viewer.refresh(); viewer.update(element, null); } public CellEditor getEditor() { return editor; } }