Java tutorial
/******************************************************************************* * Copyright (c) 2003, 2006 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 org.eclipse.jst.server.tomcat.ui.internal.editor; import org.eclipse.core.runtime.IStatus; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.viewers.ILabelProvider; import org.eclipse.jst.server.core.IWebModule; import org.eclipse.jst.server.tomcat.core.internal.ITomcatConfiguration; import org.eclipse.jst.server.tomcat.core.internal.ITomcatServer; import org.eclipse.jst.server.tomcat.core.internal.WebModule; import org.eclipse.jst.server.tomcat.ui.internal.ContextIds; import org.eclipse.jst.server.tomcat.ui.internal.Messages; import org.eclipse.jst.server.tomcat.ui.internal.Trace; import org.eclipse.swt.SWT; 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.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.DirectoryDialog; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Table; import org.eclipse.swt.widgets.TableItem; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.help.IWorkbenchHelpSystem; import org.eclipse.wst.server.core.IModule; import org.eclipse.wst.server.core.IServerAttributes; import org.eclipse.wst.server.core.ServerUtil; import org.eclipse.wst.server.ui.ServerUICore; /** * Dialog to add or modify web modules. */ public class WebModuleDialog extends Dialog { protected IModule module4; protected WebModule module; protected boolean isEdit; protected boolean isProject; protected Text docBase; protected IServerAttributes server2; protected ITomcatServer server; protected ITomcatConfiguration config; protected Table projTable; /** * WebModuleDialog constructor comment. * * @param parentShell a shell * @param server2 a server * @param server a Tomcat server * @param config a Tomcat server configuration * @param module a module */ public WebModuleDialog(Shell parentShell, IServerAttributes server2, ITomcatServer server, ITomcatConfiguration config, WebModule module) { super(parentShell); this.module = module; this.server2 = server2; this.server = server; this.config = config; isEdit = true; } /** * WebModuleDialog constructor comment. * * @param parentShell a shell * @param server2 a server * @param server a Tomcat server * @param config a Tomcat server configuration * @param isProject true if it is a project */ public WebModuleDialog(Shell parentShell, IServerAttributes server2, ITomcatServer server, ITomcatConfiguration config, boolean isProject) { this(parentShell, server2, server, config, new WebModule("/", "", null, true)); isEdit = false; this.isProject = isProject; } /** * */ protected void configureShell(Shell newShell) { super.configureShell(newShell); if (isEdit) newShell.setText(Messages.configurationEditorWebModuleDialogTitleEdit); else newShell.setText(Messages.configurationEditorWebModuleDialogTitleAdd); } /** * Creates and returns the contents of the upper part * of this dialog (above the button bar). * <p> * The <code>Dialog</code> implementation of this framework method * creates and returns a new <code>Composite</code> with * standard margins and spacing. Subclasses should override. * </p> * * @param parent the parent composite to contain the dialog area * @return the dialog area control */ protected Control createDialogArea(Composite parent) { // create a composite with standard margins and spacing Composite composite = new Composite(parent, SWT.NONE); GridLayout layout = new GridLayout(); layout.numColumns = 3; layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN); layout.marginWidth = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN); layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING); layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING); composite.setLayout(layout); composite.setLayoutData(new GridData(GridData.FILL_BOTH)); composite.setFont(parent.getFont()); IWorkbenchHelpSystem whs = PlatformUI.getWorkbench().getHelpSystem(); whs.setHelp(composite, ContextIds.CONFIGURATION_EDITOR_WEBMODULE_DIALOG); // add project field if we are adding a project if (!isEdit && isProject) { Label l = new Label(composite, SWT.NONE); l.setText(Messages.configurationEditorWebModuleDialogProjects); GridData data = new GridData(GridData.VERTICAL_ALIGN_BEGINNING); l.setLayoutData(data); projTable = new Table(composite, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL | SWT.SINGLE); data = new GridData(); data.widthHint = 150; data.heightHint = 75; projTable.setLayoutData(data); whs.setHelp(projTable, ContextIds.CONFIGURATION_EDITOR_WEBMODULE_DIALOG_PROJECT); // fill table with web module projects ILabelProvider labelProvider = ServerUICore.getLabelProvider(); IModule[] modules = ServerUtil.getModules(server2.getServerType().getRuntimeType().getModuleTypes()); if (modules != null) { int size = modules.length; for (int i = 0; i < size; i++) { IModule module3 = modules[i]; if ("jst.web".equals(module3.getModuleType().getId())) { IStatus status = server2.canModifyModules(new IModule[] { module3 }, null, null); if (status != null && status.isOK()) { TableItem item = new TableItem(projTable, SWT.NONE); item.setText(0, labelProvider.getText(module3)); item.setImage(0, labelProvider.getImage(module3)); item.setData(module3); } } } } labelProvider.dispose(); new Label(composite, SWT.NONE).setText(" "); } new Label(composite, SWT.NONE).setText(Messages.configurationEditorWebModuleDialogDocumentBase); docBase = new Text(composite, SWT.BORDER); GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL); docBase.setLayoutData(data); docBase.setText(module.getDocumentBase()); whs.setHelp(docBase, ContextIds.CONFIGURATION_EDITOR_WEBMODULE_DIALOG_DOCBASE); // disable document base for project modules if (isProject || (module.getMemento() != null && module.getMemento().length() > 0)) docBase.setEditable(false); else { docBase.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { module = new WebModule(module.getPath(), docBase.getText(), module.getMemento(), module.isReloadable()); validate(); } }); } if (isEdit || isProject) new Label(composite, SWT.NONE).setText(" "); else { Button browse = new Button(composite, SWT.NONE); browse.setText(Messages.browse); browse.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent se) { try { DirectoryDialog dialog = new DirectoryDialog(getShell()); dialog.setMessage(Messages.configurationEditorWebModuleDialogSelectDirectory); String selectedDirectory = dialog.open(); if (selectedDirectory != null) docBase.setText(selectedDirectory); } catch (Exception e) { Trace.trace(Trace.SEVERE, "Error browsing", e); } } }); } // path (context-root) new Label(composite, SWT.NONE).setText(Messages.configurationEditorWebModuleDialogPath); final Text path = new Text(composite, SWT.BORDER); data = new GridData(GridData.HORIZONTAL_ALIGN_FILL); data.widthHint = 150; path.setLayoutData(data); path.setText(module.getPath()); /*if (module.getMemento() != null && module.getMemento().length() > 0) path.setEditable(false); else*/ path.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { module = new WebModule(path.getText(), module.getDocumentBase(), module.getMemento(), module.isReloadable()); } }); whs.setHelp(path, ContextIds.CONFIGURATION_EDITOR_WEBMODULE_DIALOG_PATH); new Label(composite, SWT.NONE).setText(""); if (!isProject) { // auto reload new Label(composite, SWT.NONE).setText(""); final Button reloadable = new Button(composite, SWT.CHECK); reloadable.setText(Messages.configurationEditorWebModuleDialogReloadEnabled); data = new GridData(GridData.HORIZONTAL_ALIGN_FILL); reloadable.setLayoutData(data); reloadable.setSelection(module.isReloadable()); reloadable.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { module = new WebModule(module.getPath(), module.getDocumentBase(), module.getMemento(), reloadable.getSelection()); } }); whs.setHelp(reloadable, ContextIds.CONFIGURATION_EDITOR_WEBMODULE_DIALOG_RELOAD); } if (!isEdit && isProject) { projTable.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent event) { try { IModule module3 = (IModule) projTable.getSelection()[0].getData(); IWebModule module2 = (IWebModule) module3.loadAdapter(IWebModule.class, null); String contextRoot = module2.getContextRoot(); if (contextRoot != null && !contextRoot.startsWith("/") && contextRoot.length() > 0) contextRoot = "/" + contextRoot; module = new WebModule(contextRoot, module3.getName(), module3.getId(), module.isReloadable()); docBase.setText(module3.getName()); path.setText(contextRoot); module4 = module3; } catch (Exception e) { // ignore } validate(); } }); new Label(composite, SWT.NONE).setText(""); } Dialog.applyDialogFont(composite); return composite; } protected Control createButtonBar(Composite parent) { Control control = super.createButtonBar(parent); validate(); return control; } protected void validate() { boolean ok = true; if (module.getDocumentBase() == null || module.getDocumentBase().length() < 1) ok = false; getButton(IDialogConstants.OK_ID).setEnabled(ok); } /** * Return the mime mapping. * * @return org.eclipse.jst.server.tomcat.WebModule */ public WebModule getWebModule() { return module; } }