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.graph.execution.tracking.preferences; import java.util.regex.Matcher; import java.util.regex.Pattern; import org.apache.commons.lang.StringUtils; import org.eclipse.jface.dialogs.MessageDialogWithToggle; import org.eclipse.swt.SWT; import org.eclipse.swt.custom.CCombo; import org.eclipse.swt.events.ModifyEvent; import org.eclipse.swt.events.ModifyListener; import org.eclipse.swt.graphics.Font; import org.eclipse.swt.graphics.FontData; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Text; import hydrograph.ui.common.swt.customwidget.HydroGroup; import hydrograph.ui.common.util.Constants; import hydrograph.ui.common.util.OSValidator; import hydrograph.ui.graph.Messages; /** * @author Bitwise This class created the preference page for job run. * */ public class JobRunPreferenceComposite extends Composite { private static final String REGEX_POSITIVE_INTEGER_ONLY = "[\\d]*"; private static final String HASH_REGEX = "#"; private Button btnRadioButtonAlways; private Button btnRadioButtonPrompt; private CCombo ccLogLevels; private Text textWidget; private JobRunPreference jobRunPreference; JobRunPreferenceComposite(Composite parent, int none, String selection, String logLevel, String bufferSize, JobRunPreference jobRunPreference) { super(parent, none); setLayout(new GridLayout(1, false)); createSaveJobPromtGroup(selection); createLogLevelGroup(logLevel); createConsoleBufferWidget(bufferSize); this.jobRunPreference = jobRunPreference; } /** * @param selection */ private void createSaveJobPromtGroup(String selection) { HydroGroup hydroGroup = new HydroGroup(this, SWT.NONE); hydroGroup.setHydroGroupText(Messages.SAVE_JOBS_BEFORE_LAUNCHING_MESSAGE); hydroGroup.setLayout(new GridLayout(1, false)); hydroGroup.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 1, 1)); hydroGroup.getHydroGroupClientArea().setLayout(new GridLayout(2, false)); hydroGroup.getHydroGroupClientArea().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1)); btnRadioButtonAlways = new Button(hydroGroup.getHydroGroupClientArea(), SWT.RADIO); btnRadioButtonAlways.setText(StringUtils.capitalize((MessageDialogWithToggle.ALWAYS))); btnRadioButtonPrompt = new Button(hydroGroup.getHydroGroupClientArea(), SWT.RADIO); btnRadioButtonPrompt.setText(StringUtils.capitalize(MessageDialogWithToggle.PROMPT)); if (StringUtils.equals(selection, MessageDialogWithToggle.ALWAYS)) { btnRadioButtonAlways.setSelection(true); } else { btnRadioButtonPrompt.setSelection(true); } } /** * @param logLevel * */ private void createLogLevelGroup(String logLevel) { HydroGroup hydroGroup = new HydroGroup(this, SWT.NONE); hydroGroup.setHydroGroupText(Messages.LOG_LEVEL_PREF_MESSAGE); hydroGroup.setLayout(new GridLayout(1, false)); hydroGroup.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 1, 1)); hydroGroup.getHydroGroupClientArea().setLayout(new GridLayout(2, false)); Label label = new Label(hydroGroup.getHydroGroupClientArea(), SWT.NONE); label.setText(Messages.LOG_LEVEL_CONSOLE_PREF_MESSAGE); ccLogLevels = new CCombo(hydroGroup.getHydroGroupClientArea(), SWT.BORDER); GridData gd_ccLogLevels = new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1); gd_ccLogLevels.widthHint = 300; if (OSValidator.isMac()) { gd_ccLogLevels.heightHint = 20; } ccLogLevels.setLayoutData(gd_ccLogLevels); ccLogLevels.setItems(Messages.COMBO_LOG_LEVELS.split(HASH_REGEX)); ccLogLevels.setText(logLevel); } /** * Create console buffer widget * @param bufferSize */ private void createConsoleBufferWidget(String bufferSize) { HydroGroup hydroGroup = new HydroGroup(this, SWT.NONE); hydroGroup.setHydroGroupText(Messages.HYDROGRAPH_CONSOLE_PREFERANCE_PAGE_GROUP_NAME); hydroGroup.setLayout(new GridLayout(1, false)); hydroGroup.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 1, 1)); hydroGroup.getHydroGroupClientArea().setLayout(new GridLayout(2, false)); Label label = new Label(hydroGroup.getHydroGroupClientArea(), SWT.NONE); label.setText(Messages.PREFERANCE_CONSOLE_BUFFER_SIZE); textWidget = new Text(hydroGroup.getHydroGroupClientArea(), SWT.BORDER); textWidget.setText(bufferSize); textWidget.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 1, 1)); textWidget.setTextLimit(6); attachConsoleBufferValidator(); Composite purgeComposite = new Composite(hydroGroup.getHydroGroupClientArea(), SWT.NONE); purgeComposite.setLayout(new GridLayout(2, false)); purgeComposite.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 2, 1)); Label lblNote = new Label(purgeComposite, SWT.TOP | SWT.WRAP); lblNote.setText(Messages.PREFERANCE_PAGE_NOTE); FontData fontData = lblNote.getFont().getFontData()[0]; Font font = new Font(purgeComposite.getDisplay(), new FontData(fontData.getName(), fontData.getHeight(), SWT.BOLD)); lblNote.setFont(font); Label lblmsg = new Label(purgeComposite, SWT.TOP | SWT.WRAP); lblmsg.setText(Messages.UI_PERFORMANCE_NOTE_IN_CASE_OF_CHANGE_IN_BUFFER_SIZE); } private void attachConsoleBufferValidator() { textWidget.addModifyListener(new ModifyListener() { @Override public void modifyText(ModifyEvent e) { String text = textWidget.getText(); setPreferanceError(null); if (StringUtils.isBlank(text)) { setPreferanceError(Messages.PREFERANCE_ERROR_EMPTY_CONSOLE_BUFFER_FIELD); return; } if (!isValidNumber(text)) { setPreferanceError(Messages.PREFERANCE_ERROR_INVALID_CONSOLE_BUFFER_INPUT); return; } int value = Integer.parseInt(text); if (!isValidConsoleBufferSize(value)) { setPreferanceError(Messages.PREFERANCE_ERROR_INVALID_CONSOLE_BUFFER_INPUT); return; } else { setPreferanceError(null); } } }); } protected boolean isValidConsoleBufferSize(int value) { if (value < 1000 || value > 40000) { return false; } else { return true; } } private boolean isValidNumber(String text) { Matcher matchs = Pattern.compile(REGEX_POSITIVE_INTEGER_ONLY).matcher(text); if (!matchs.matches()) { return false; } else { return true; } } private void setPreferanceError(String errorMessage) { if (!StringUtils.isBlank(errorMessage)) { jobRunPreference.setErrorMessage(errorMessage); jobRunPreference.setValid(false); } else { jobRunPreference.setErrorMessage(null); jobRunPreference.setValid(true); } } /** * @return selection of radio button */ public boolean getAlwaysButtonSelection() { return btnRadioButtonAlways.getSelection(); } /** * Set defaults values of job run preference */ public void storeDefaults() { btnRadioButtonPrompt.setSelection(true); btnRadioButtonAlways.setSelection(false); ccLogLevels.select(3); textWidget.setText(Constants.DEFUALT_CONSOLE_BUFFER_SIZE); } /** * @return buffer size */ public String getConsoleBufferSize() { return textWidget.getText(); } /** * * @return selected log level */ public String getLoglevel() { return ccLogLevels.getText(); } }