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; import java.util.ArrayList; import java.util.LinkedHashMap; import org.apache.commons.lang.StringUtils; import org.eclipse.jface.fieldassist.ControlDecoration; import org.eclipse.swt.events.FocusEvent; import org.eclipse.swt.events.FocusListener; import org.eclipse.swt.events.ModifyEvent; import org.eclipse.swt.events.ModifyListener; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.events.SelectionListener; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Text; import org.slf4j.Logger; import hydrograph.ui.common.util.CustomColorRegistry; import hydrograph.ui.logging.factory.LogFactory; import hydrograph.ui.propertywindow.factory.ListenerFactory; 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.gridwidgets.basic.AbstractELTWidget; import hydrograph.ui.propertywindow.widgets.gridwidgets.basic.ELTDefaultButton; import hydrograph.ui.propertywindow.widgets.gridwidgets.basic.ELTDefaultLable; import hydrograph.ui.propertywindow.widgets.gridwidgets.basic.ELTDefaultTextBox; import hydrograph.ui.propertywindow.widgets.gridwidgets.container.AbstractELTContainerWidget; import hydrograph.ui.propertywindow.widgets.gridwidgets.container.ELTDefaultSubgroupComposite; import hydrograph.ui.propertywindow.widgets.listeners.ListenerHelper; import hydrograph.ui.propertywindow.widgets.listeners.ListenerHelper.HelperType; import hydrograph.ui.propertywindow.widgets.utility.Extensions; import hydrograph.ui.propertywindow.widgets.utility.WidgetUtility; /** * The Class ELTBrowseWorkspaceWidget use to open dialog window of current workspace. * The dialog window can be use to import and export file with specified extension * @author Bitwise */ public class ELTBrowseWorkspaceWidget extends AbstractWidget { /** The sub job path. */ private Text subJobPath; /** The properties. */ private Object properties; /** The property name. */ private String propertyName; /** The txt decorator. */ private ControlDecoration txtDecorator; /** The decorator. */ private ControlDecoration decorator; /** The logger. */ private Logger LOGGER = LogFactory.INSTANCE.getLogger(ELTBrowseWorkspaceWidget.class); /** * Instantiates a new ELT file path widget. * * @param componentConfigurationProperty * the component configuration property * @param componentMiscellaneousProperties * the component miscellaneous properties * @param propertyDialogButtonBar * the property dialog button bar */ public ELTBrowseWorkspaceWidget(ComponentConfigrationProperty componentConfigurationProperty, ComponentMiscellaneousProperties componentMiscellaneousProperties, PropertyDialogButtonBar propertyDialogButtonBar) { super(componentConfigurationProperty, componentMiscellaneousProperties, propertyDialogButtonBar); this.properties = componentConfigurationProperty.getPropertyValue(); this.propertyName = componentConfigurationProperty.getPropertyName(); } /* (non-Javadoc) * @see hydrograph.ui.propertywindow.widgets.customwidgets.AbstractWidget#attachToPropertySubGroup(hydrograph.ui.propertywindow.widgets.gridwidgets.container.AbstractELTContainerWidget) */ @Override public void attachToPropertySubGroup(AbstractELTContainerWidget container) { ELTDefaultSubgroupComposite eltSuDefaultSubgroupComposite = new ELTDefaultSubgroupComposite( container.getContainerControl()); eltSuDefaultSubgroupComposite.createContainerWidget(); AbstractELTWidget eltDefaultLable = new ELTDefaultLable(Messages.SUBJOB_PATH); eltSuDefaultSubgroupComposite.attachWidget(eltDefaultLable); AbstractELTWidget eltDefaultTextBox = new ELTDefaultTextBox().grabExcessHorizontalSpace(true) .textBoxWidth(200); eltSuDefaultSubgroupComposite.attachWidget(eltDefaultTextBox); subJobPath = (Text) eltDefaultTextBox.getSWTWidgetControl(); subJobPath.setToolTipText(Messages.CHARACTERSET); decorator = WidgetUtility.addDecorator(subJobPath, Messages.EMPTYFIELDMESSAGE); decorator.hide(); subJobPath.addFocusListener(new FocusListener() { @Override public void focusLost(FocusEvent e) { if (subJobPath.getText().isEmpty()) { decorator.show(); subJobPath.setBackground(CustomColorRegistry.INSTANCE.getColorFromRegistry(250, 250, 250)); } else { decorator.hide(); } } @Override public void focusGained(FocusEvent e) { decorator.hide(); subJobPath.setBackground(CustomColorRegistry.INSTANCE.getColorFromRegistry(255, 255, 255)); } }); AbstractELTWidget eltDefaultButton = new ELTDefaultButton(Messages.BROWSE_BUTTON).buttonWidth(35); eltSuDefaultSubgroupComposite.attachWidget(eltDefaultButton); Button browseButton = (Button) eltDefaultButton.getSWTWidgetControl(); browseButton.addSelectionListener(new SelectionListener() { @Override public void widgetSelected(SelectionEvent e) { decorator.hide(); subJobPath.setBackground(CustomColorRegistry.INSTANCE.getColorFromRegistry(255, 255, 255)); } @Override public void widgetDefaultSelected(SelectionEvent e) { // Nothing to Do } }); txtDecorator = WidgetUtility.addDecorator(subJobPath, Messages.CHARACTERSET); txtDecorator.setMarginWidth(3); decorator.setMarginWidth(3); txtDecorator.hide(); ListenerHelper helper = new ListenerHelper(); helper.put(HelperType.CONTROL_DECORATION, txtDecorator); helper.put(HelperType.FILE_EXTENSION, Extensions.JOB.toString().toLowerCase()); try { eltDefaultTextBox.attachListener(ListenerFactory.Listners.EVENT_CHANGE.getListener(), propertyDialogButtonBar, null, eltDefaultTextBox.getSWTWidgetControl()); eltDefaultTextBox.attachListener(ListenerFactory.Listners.MODIFY.getListener(), propertyDialogButtonBar, helper, eltDefaultTextBox.getSWTWidgetControl()); eltDefaultButton.attachListener(ListenerFactory.Listners.BROWSE_FILE_LISTNER.getListener(), propertyDialogButtonBar, helper, subJobPath); } catch (Exception e1) { LOGGER.error("Fail to attach listener."); } populateWidget(); } /** * Populate widget. */ private void populateWidget() { String property = (String) properties; if (StringUtils.isNotBlank(property)) { subJobPath.setText(property); decorator.hide(); txtDecorator.hide(); } else { subJobPath.setText(""); decorator.show(); } } /** * Sets the tool tip error message. */ private void setToolTipErrorMessage() { String toolTipErrorMessage = null; if (decorator.isVisible()) { toolTipErrorMessage = decorator.getDescriptionText(); } if (txtDecorator.isVisible()) { toolTipErrorMessage = toolTipErrorMessage + "\n" + txtDecorator.getDescriptionText(); } setToolTipMessage(toolTipErrorMessage); } /* (non-Javadoc) * @see hydrograph.ui.propertywindow.widgets.customwidgets.AbstractWidget#getProperties() */ @Override public LinkedHashMap<String, Object> getProperties() { LinkedHashMap<String, Object> property = new LinkedHashMap<>(); property.put(propertyName, subJobPath.getText()); setToolTipErrorMessage(); return property; } /* (non-Javadoc) * @see hydrograph.ui.propertywindow.widgets.customwidgets.AbstractWidget#isWidgetValid() */ public boolean isWidgetValid() { return validateAgainstValidationRule(subJobPath.getText()); } /** * Gets the text box. * * @return the text box */ public Text getTextBox() { return subJobPath; } /* (non-Javadoc) * @see hydrograph.ui.propertywindow.widgets.customwidgets.AbstractWidget#addModifyListener(hydrograph.ui.propertywindow.property.Property, java.util.ArrayList) */ @Override public void addModifyListener(final Property property, final ArrayList<AbstractWidget> widgetList) { subJobPath.addModifyListener(new ModifyListener() { @Override public void modifyText(ModifyEvent e) { showHideErrorSymbol(widgetList); } }); } }