Java tutorial
/******************************************************************************* * Copyright (c) 2005, 2009 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * IBM Corporation - initial API and implementation *******************************************************************************/ package com.siteview.mde.internal.ui.wizards.product; import com.siteview.mde.core.monitor.*; import com.siteview.mde.internal.ui.dialogs.PluginSelectionDialog; import java.util.Set; import org.eclipse.core.resources.IProject; import org.eclipse.core.runtime.Platform; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.window.Window; import org.eclipse.jface.wizard.WizardPage; import com.siteview.mde.internal.core.MDECore; import com.siteview.mde.internal.core.TargetPlatformHelper; import com.siteview.mde.internal.core.iproduct.IProduct; import com.siteview.mde.internal.ui.IHelpContextIds; import com.siteview.mde.internal.ui.MDEUIMessages; import com.siteview.mde.internal.ui.search.ShowDescriptionAction; import com.siteview.mde.internal.ui.util.SWTUtil; import org.eclipse.swt.SWT; import org.eclipse.swt.events.*; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.*; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.forms.events.HyperlinkEvent; import org.eclipse.ui.forms.events.IHyperlinkListener; import org.eclipse.ui.forms.widgets.FormText; import org.eclipse.ui.forms.widgets.FormToolkit; public class ProductDefinitonWizardPage extends WizardPage implements IHyperlinkListener { private Text fProductName; private Text fPluginText; private Text fProductText; private Set fProductSet; private Combo fApplicationCombo; private IProduct fProduct; private ModifyListener fListener = new ModifyListener() { public void modifyText(ModifyEvent e) { validatePage(); } }; public ProductDefinitonWizardPage(String pageName, IProduct product) { super(pageName); fProduct = product; setTitle(MDEUIMessages.ProductDefinitonWizardPage_title); if (productNameDefined()) setDescription(MDEUIMessages.ProductDefinitonWizardPage_desc); else setDescription(MDEUIMessages.ProductDefinitonWizardPage_descNoName); } public void createControl(Composite parent) { Composite comp = new Composite(parent, SWT.NONE); GridLayout layout = new GridLayout(); layout.verticalSpacing = 20; comp.setLayout(layout); FormToolkit toolkit = new FormToolkit(parent.getDisplay()); createProductGroup(toolkit, comp); createApplicationGroup(toolkit, comp); toolkit.dispose(); setControl(comp); setPageComplete(getPluginId() != null && productNameDefined()); Dialog.applyDialogFont(comp); PlatformUI.getWorkbench().getHelpSystem().setHelp(comp, IHelpContextIds.PRODUCT_DEFINITIONS_WIZARD); } private void createFormText(FormToolkit toolkit, Composite parent, String content, int span) { FormText text = toolkit.createFormText(parent, false); text.setText(content, true, false); GridData gd = new GridData(GridData.FILL_HORIZONTAL); gd.horizontalSpan = span; gd.widthHint = 400; text.setLayoutData(gd); text.setBackground(null); text.addHyperlinkListener(this); } private void createProductGroup(FormToolkit toolkit, Composite comp) { Group group = new Group(comp, SWT.NONE); group.setText(MDEUIMessages.ProductDefinitonWizardPage_productGroup); group.setLayout(new GridLayout(3, false)); group.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); createFormText(toolkit, group, MDEUIMessages.ProductDefinitonWizardPage_productDefinition, 3); Label label; GridData gd = new GridData(GridData.FILL_HORIZONTAL); gd.horizontalSpan = 2; if (!productNameDefined()) { label = new Label(group, SWT.NONE); label.setText(MDEUIMessages.ProductDefinitonWizardPage_productName); fProductName = new Text(group, SWT.SINGLE | SWT.BORDER); fProductName.setLayoutData(gd); fProductName.addModifyListener(fListener); } label = new Label(group, SWT.NONE); label.setText(MDEUIMessages.ProductDefinitonWizardPage_plugin); fPluginText = new Text(group, SWT.SINGLE | SWT.BORDER); fPluginText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); Button button = new Button(group, SWT.PUSH); button.setText(MDEUIMessages.ProductDefinitonWizardPage_browse); SWTUtil.setButtonDimensionHint(button); button.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { handleBrowse(); } }); label = new Label(group, SWT.NONE); label.setText(MDEUIMessages.ProductDefinitonWizardPage_productId); fProductText = new Text(group, SWT.SINGLE | SWT.BORDER); fProductText.setLayoutData(gd); String pluginId = getPluginId(); if (pluginId != null) { fPluginText.setText(pluginId); String productId = "product"; //$NON-NLS-1$ String numString = ""; //$NON-NLS-1$ int idNum = 1; while (getProductNameSet().contains(pluginId + "." + productId + numString)) { //$NON-NLS-1$ numString = Integer.toString(idNum++); } fProductText.setText(productId + numString); } fPluginText.addModifyListener(fListener); fProductText.addModifyListener(fListener); } private void createApplicationGroup(FormToolkit toolkit, Composite comp) { Group group = new Group(comp, SWT.NONE); group.setText(MDEUIMessages.ProductDefinitonWizardPage_applicationGroup); group.setLayout(new GridLayout(2, false)); group.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); createFormText(toolkit, group, MDEUIMessages.ProductDefinitonWizardPage_applicationDefinition, 2); Label label = new Label(group, SWT.NONE); label.setText(MDEUIMessages.ProductDefinitonWizardPage_application); fApplicationCombo = new Combo(group, SWT.SINGLE | SWT.READ_ONLY); fApplicationCombo.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); fApplicationCombo.setItems(TargetPlatform.getApplications()); if (fApplicationCombo.getItemCount() > 0) fApplicationCombo.setText(fApplicationCombo.getItem(0)); } public void setVisible(boolean visible) { if (visible) { if (fProductName != null) fProductName.setFocus(); else fPluginText.setFocus(); } super.setVisible(visible); } private void validatePage() { String error = null; String productName = getProductName(); if (productName != null && productName.length() == 0) { error = MDEUIMessages.ProductDefinitonWizardPage_noProductName; } validateIdAndProduct(error); } private void validateIdAndProduct(String error) { if (error == null) { String pluginId = getDefiningPlugin(); IMonitorModelBase model = MonitorRegistry.findModel(pluginId); if (pluginId.length() == 0) { error = MDEUIMessages.ProductDefinitonWizardPage_noPluginId; } else if (model == null) { error = MDEUIMessages.ProductDefinitonWizardPage_noPlugin; } else if (model.getUnderlyingResource() == null) { error = MDEUIMessages.ProductDefinitonWizardPage_notInWorkspace; } if (error == null) error = validateId(); if (error == null && getProductNameSet().contains(pluginId + "." + fProductText.getText().trim())) { //$NON-NLS-1$ error = MDEUIMessages.ProductDefinitonWizardPage_productExists; } } setErrorMessage(error); setPageComplete(error == null); } private String validateId() { String id = fProductText.getText().trim(); if (id.length() == 0) return MDEUIMessages.ProductDefinitonWizardPage_noProductID; for (int i = 0; i < id.length(); i++) { if (!id.substring(i, i + 1).matches("[a-zA-Z0-9_]")) //$NON-NLS-1$ return MDEUIMessages.ProductDefinitonWizardPage_invalidId; } return null; } public void linkEntered(HyperlinkEvent e) { } public void linkExited(HyperlinkEvent e) { } public void linkActivated(HyperlinkEvent e) { String extPoint = Platform.PI_RUNTIME + "." + e.getHref().toString(); //$NON-NLS-1$ IMonitorExtensionPoint point = MDECore.getDefault().getExtensionsRegistry().findExtensionPoint(extPoint); if (point != null) new ShowDescriptionAction(point, true).run(); } private void handleBrowse() { PluginSelectionDialog dialog = new PluginSelectionDialog(getShell(), MonitorRegistry.getWorkspaceModels(), false); if (dialog.open() == Window.OK) { IMonitorModelBase model = (IMonitorModelBase) dialog.getFirstResult(); fPluginText.setText(model.getMonitorBase().getId()); } } private Set getProductNameSet() { if (fProductSet == null) fProductSet = TargetPlatformHelper.getProductNameSet(); return fProductSet; } public String getDefiningPlugin() { return fPluginText.getText().trim(); } public String getProductId() { return fProductText.getText().trim(); } public String getApplication() { return fApplicationCombo.getText(); } public String getProductName() { return (fProductName == null) ? null : fProductName.getText().trim(); } private boolean productNameDefined() { return (fProduct.getName() != null && !fProduct.getName().equals("")); //$NON-NLS-1$ } private String getPluginId() { IProject project = fProduct.getModel().getUnderlyingResource().getProject(); IMonitorModelBase model = MonitorRegistry.findModel(project); return (model == null) ? null : model.getMonitorBase().getId(); } }