Java tutorial
/******************************************************************************* * Copyright (c) 2006-2010 eBay Inc. All Rights Reserved. * 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 *******************************************************************************/ /** * */ package org.ebayopensource.turmeric.eclipse.ui.dialogs; import java.util.LinkedHashMap; import java.util.List; import java.util.Map; import java.util.regex.Matcher; import java.util.regex.Pattern; import org.apache.commons.lang.StringUtils; import org.ebayopensource.turmeric.eclipse.core.resources.constants.SOAProjectConstants; import org.ebayopensource.turmeric.eclipse.repositorysystem.core.GlobalRepositorySystem; import org.ebayopensource.turmeric.eclipse.repositorysystem.core.ISOAHelpProvider; import org.ebayopensource.turmeric.eclipse.resources.util.SOAConsumerUtil.EnvironmentItem; import org.ebayopensource.turmeric.eclipse.ui.components.SOACComboControlAdapter; import org.ebayopensource.turmeric.eclipse.utils.ui.UIUtil; import org.ebayopensource.turmeric.eclipse.validator.utils.common.RegExConstants; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.TitleAreaDialog; import org.eclipse.jface.fieldassist.AutoCompleteField; 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.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Combo; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Group; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; /** * User should enter the name of new environment which is not duplicate with existing ones. * User should also select an existing client config environment as starting pointing, which * would copy the client config files from the chosen environment to the new environment dir. * * @author yayu * @since 1.0.0 */ public class SOAClientConfigEnvironmentDialog extends TitleAreaDialog { /** The Constant TITLE. */ public static final String TITLE = "Manage Client Config Environments"; /** The Constant MESSAGE. */ public static final String MESSAGE = "Add new client config environments"; /** The Constant MESSAGE_EXISTING_ENV. */ public static final String MESSAGE_EXISTING_ENV = MESSAGE + " and choose an existing environment for a copy."; private int helpID = ISOAHelpProvider.WINDOW_DEPENDENCIES; private String environmentName = null; private EnvironmentItem cloneEnvironment = null; private CCombo environmentText; private Button chooseExistingEnvBtn; private Combo environmentCombo; private Map<String, EnvironmentItem> environments = new LinkedHashMap<String, EnvironmentItem>(); private List<String> existingEnvironments; /** * Instantiates a new sOA client config environment dialog. * * @param parentShell the parent shell * @param currentEnvs the list of environments of the consumer projects * @param existingEnvs the list of existing environments that already available */ public SOAClientConfigEnvironmentDialog(Shell parentShell, List<EnvironmentItem> currentEnvs, List<String> existingEnvs) { super(parentShell); for (EnvironmentItem item : currentEnvs) { environments.put(item.getName(), item); } existingEnvironments = existingEnvs; } /* (non-Javadoc) * @see org.eclipse.jface.dialogs.TitleAreaDialog#createContents(org.eclipse.swt.widgets.Composite) */ @Override protected Control createContents(final Composite parent) { final Control contents = super.createContents(parent); setTitle(TITLE); final String message = chooseExistingEnvBtn != null && chooseExistingEnvBtn.isEnabled() ? MESSAGE_EXISTING_ENV : MESSAGE; setMessage(message); UIUtil.getHelpSystem().setHelp(parent, GlobalRepositorySystem.instanceOf().getActiveRepositorySystem() .getHelpProvider().getHelpContextID(helpID)); return contents; } /* (non-Javadoc) * @see org.eclipse.jface.dialogs.TitleAreaDialog#createDialogArea(org.eclipse.swt.widgets.Composite) */ @Override protected Control createDialogArea(final Composite parent) { final Composite comp = (Composite) super.createDialogArea(parent); final GridData gd = new GridData(GridData.FILL_BOTH); gd.widthHint = 520; gd.heightHint = 300; gd.grabExcessVerticalSpace = true; gd.grabExcessHorizontalSpace = true; comp.setLayoutData(gd); Composite composite = new Composite(comp, SWT.NONE); composite.setLayout(new GridLayout(2, false)); composite.setLayoutData(new GridData(GridData.FILL_BOTH)); Label label = new Label(composite, SWT.NONE); label.setText("Environment Name:"); environmentText = new CCombo(composite, SWT.BORDER); environmentText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); new AutoCompleteField(environmentText, new SOACComboControlAdapter(), SOAProjectConstants.EBAY_POOL_TYPES); environmentText.setItems(SOAProjectConstants.EBAY_POOL_TYPES); environmentText.addModifyListener(new ModifyListener() { @Override public void modifyText(ModifyEvent e) { dialogChanged(); } }); final Group group = new Group(composite, SWT.SHADOW_ETCHED_IN); group.setLayout(new GridLayout(2, false)); GridData data = new GridData(GridData.FILL_BOTH); data.horizontalSpan = 2; group.setLayoutData(data); chooseExistingEnvBtn = new Button(group, SWT.CHECK); data = new GridData(GridData.FILL_HORIZONTAL); data.horizontalSpan = 2; chooseExistingEnvBtn.setLayoutData(data); chooseExistingEnvBtn.setText("Choose an existing environment to copy from"); boolean hasExistingEnvs = existingEnvironments.isEmpty() == false; chooseExistingEnvBtn.setEnabled(hasExistingEnvs); chooseExistingEnvBtn.setSelection(hasExistingEnvs); chooseExistingEnvBtn.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { environmentCombo.setEnabled(chooseExistingEnvBtn.getSelection()); if (chooseExistingEnvBtn.getSelection() == false) environmentCombo.setText(""); dialogChanged(); } }); label = new Label(group, SWT.NONE); label.setText("Existing Environments:"); environmentCombo = new Combo(group, SWT.BORDER | SWT.READ_ONLY); environmentCombo.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); environmentCombo.setItems(existingEnvironments.toArray(new String[0])); environmentCombo.setEnabled(hasExistingEnvs); environmentCombo.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { dialogChanged(); } }); if (hasExistingEnvs) { environmentCombo.select(0); } environmentText.setFocus(); return composite; } /* (non-Javadoc) * @see org.eclipse.jface.dialogs.Dialog#create() */ @Override public void create() { super.create(); dialogChanged(); } private void updateStatus(String message) { setErrorMessage(message); Button btn = getButton(IDialogConstants.OK_ID); if (btn != null) btn.setEnabled(message == null); } private void dialogChanged() { final String env = environmentText.getText(); if (StringUtils.isBlank(env)) { updateStatus("Environment name must not be empty"); return; } if (StringUtils.contains(env, " ")) { updateStatus("Environment name must not contain white spaces"); return; } if (environments.containsKey(env) == true) { updateStatus("Environment name already exist"); return; } final Pattern regExPattern = Pattern.compile(RegExConstants.PROJECT_NAME_EXP); final Matcher matcher = regExPattern.matcher(env); if (matcher.matches() == false) { updateStatus("Invalid environment name"); return; } if (environmentCombo.getEnabled() == true && StringUtils.isBlank(environmentCombo.getText())) { updateStatus("Please choose an existing environment"); return; } updateStatus(null); } /** * Gets the environment name. * * @return the environment name */ public String getEnvironmentName() { return environmentName; } /** * Gets the clone environment. * * @return the clone environment */ public EnvironmentItem getCloneEnvironment() { return cloneEnvironment; } /* (non-Javadoc) * @see org.eclipse.jface.dialogs.Dialog#okPressed() */ @Override protected void okPressed() { environmentName = environmentText.getText(); if (chooseExistingEnvBtn.getSelection() == true && StringUtils.isNotBlank(environmentCombo.getText())) { cloneEnvironment = environments.get(environmentCombo.getText()); } else { cloneEnvironment = null; } super.okPressed(); } }