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.customwidgets.schema; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import org.eclipse.jface.viewers.ILabelProviderListener; import org.eclipse.jface.viewers.IStructuredContentProvider; import org.eclipse.jface.viewers.ITableLabelProvider; import org.eclipse.swt.graphics.Image; import hydrograph.ui.datastructure.property.Schema; import hydrograph.ui.datastructure.property.XPathGridRow; import hydrograph.ui.propertywindow.messages.Messages; import hydrograph.ui.propertywindow.property.ComponentConfigrationProperty; import hydrograph.ui.propertywindow.property.ComponentMiscellaneousProperties; import hydrograph.ui.propertywindow.property.Property; import hydrograph.ui.propertywindow.propertydialog.PropertyDialogButtonBar; import hydrograph.ui.propertywindow.widgets.customwidgets.AbstractWidget; import hydrograph.ui.propertywindow.widgets.gridwidgets.container.AbstractELTContainerWidget; import hydrograph.ui.propertywindow.widgets.listeners.grid.schema.ELTCellEditorFieldValidator; import hydrograph.ui.propertywindow.widgets.utility.GridWidgetCommonBuilder; import hydrograph.ui.propertywindow.widgets.utility.WidgetUtility; /** * Class for XPathSchemaGridWidget. * * @author Bitwise */ public class XPathSchemaGridWidget extends ELTSchemaGridWidget { /** * Instantiates a new ELT XPath schema grid widget. * * @param componentConfigrationProperty * the component configration property * @param componentMiscellaneousProperties * the component miscellaneous properties * @param propertyDialogButtonBar * the property dialog button bar */ public XPathSchemaGridWidget(ComponentConfigrationProperty componentConfigrationProperty, ComponentMiscellaneousProperties componentMiscellaneousProperties, PropertyDialogButtonBar propertyDialogButtonBar) { super(componentConfigrationProperty, componentMiscellaneousProperties, propertyDialogButtonBar); this.gridRowType = Messages.XPATH_GRID_ROW; } @Override protected Map<String, Integer> getPropertiesToShow() { Map<String, Integer> columns = new HashMap<>(); columns.put(FIELDNAME, 0); columns.put(DATATYPE, 1); columns.put(XPATH, 2); columns.put(SCALE, 3); columns.put(SCALE_TYPE, 4); columns.put(DATEFORMAT, 5); columns.put(PRECISION, 6); columns.put(FIELD_DESCRIPTION, 7); return columns; //sequence: FIELDNAME, DATATYPE, XPATH, SCALE, SCALE_TYPE, DATEFORMAT, PRECISION, FIELD_DESCRIPTION } @Override protected XPathGridWidgetBuilder getGridWidgetBuilder() { return XPathGridWidgetBuilder.INSTANCE; } protected IStructuredContentProvider getContentProvider() { return new IStructuredContentProvider() { @Override public Object[] getElements(Object inputElement) { return ((List) inputElement).toArray(); } }; } protected ITableLabelProvider getLableProvider() { return new ITableLabelProvider() { @Override public void removeListener(ILabelProviderListener listener) { } @Override public boolean isLabelProperty(Object element, String property) { return false; } @Override public void dispose() { } @Override public void addListener(ILabelProviderListener listener) { } @Override public String getColumnText(Object element, int columnIndex) { XPathGridRow xPathGrid = (XPathGridRow) element; switch (columnIndex) { case 0: return xPathGrid.getFieldName(); case 1: return GridWidgetCommonBuilder.getDataTypeKey()[xPathGrid.getDataType().intValue()]; case 2: return xPathGrid.getXPath(); case 3: return xPathGrid.getScale().toString(); case 4: if (xPathGrid.getScaleType() != null) { return GridWidgetCommonBuilder.getScaleTypeKey()[xPathGrid.getScaleType().intValue()]; } else { return GridWidgetCommonBuilder.getScaleTypeKey()[0]; } case 5: return xPathGrid.getDateFormat(); case 6: return xPathGrid.getPrecision(); case 7: return xPathGrid.getDescription(); } return null; } @Override public Image getColumnImage(Object element, int columnIndex) { return null; } }; } protected XPathSchemaGridCellModifier getCellModifier() { return new XPathSchemaGridCellModifier(this, tableViewer); } @Override protected void addValidators() { editors[0].setValidator(new ELTCellEditorFieldValidator(table, schemaGridRowList, fieldNameDecorator, isFieldNameAlphanumericDecorator, propertyDialogButtonBar)); } //Adding the decorator to show error message when field name same. @Override protected void setDecorator() { fieldNameDecorator = WidgetUtility.addDecorator(editors[0].getControl(), Messages.FIELDNAMEERROR); isFieldNameAlphanumericDecorator = WidgetUtility.addDecorator(editors[0].getControl(), Messages.FIELDNAME_NOT_ALPHANUMERIC_ERROR); fieldNameDecorator.setMarginWidth(8); isFieldNameAlphanumericDecorator.setMarginWidth(8); } @Override public void attachToPropertySubGroup(AbstractELTContainerWidget container) { super.attachToPropertySubGroup(container); } @Override public boolean isWidgetValid() { return applySchemaValidationRule(); } public void validateInternalSchemaPropogatedData(Schema propogatedSchema) { showHideErrorSymbol(validateAgainstValidationRule(propogatedSchema)); } @Override public void addModifyListener(final Property property, ArrayList<AbstractWidget> widgetList) { attachListener(); } }