Java tutorial
/* * Copyright (c) 2013, the Dart project authors. * * Licensed under the Eclipse Public License v1.0 (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.eclipse.org/legal/epl-v10.html * * 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 com.github.sdbg.debug.ui.internal.pubserve; import com.github.sdbg.debug.core.SDBGLaunchConfigWrapper; import com.github.sdbg.debug.ui.internal.util.AppSelectionDialog; import com.github.sdbg.debug.ui.internal.util.AppSelectionDialog.HtmlWebResourceFilter; import org.eclipse.core.resources.IFile; import org.eclipse.core.resources.IResource; import org.eclipse.core.resources.IWorkspace; import org.eclipse.core.resources.ResourcesPlugin; import org.eclipse.core.runtime.IPath; import org.eclipse.core.runtime.Path; import org.eclipse.debug.core.ILaunchConfiguration; import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy; import org.eclipse.debug.ui.AbstractLaunchConfigurationTab; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.layout.GridDataFactory; import org.eclipse.jface.layout.GridLayoutFactory; import org.eclipse.jface.layout.PixelConverter; 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.graphics.Font; import org.eclipse.swt.graphics.FontData; 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.Display; import org.eclipse.swt.widgets.Group; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.dialogs.FilteredItemsSelectionDialog; /** * The main tab for the pub serve launch configuration */ public class PubServeMainTab extends AbstractLaunchConfigurationTab { private static Font italicFont; private static Font getItalicFont(Font font) { if (italicFont == null) { FontData data = font.getFontData()[0]; italicFont = new Font(Display.getDefault(), new FontData(data.getName(), data.getHeight(), SWT.ITALIC)); } return italicFont; } private Button useWebComponentsButton; private Text argumentText; private Text htmlText; private Button htmlBrowseButton; public PubServeMainTab() { setMessage("Create a configuration to launch a Dart application in Dartium, use pub to serve contents"); } @Override public void createControl(Composite parent) { Composite composite = new Composite(parent, SWT.NONE); GridLayoutFactory.swtDefaults().spacing(1, 3).applyTo(composite); Group group = new Group(composite, SWT.NONE); group.setText("Launch target"); GridDataFactory.fillDefaults().grab(true, false).align(SWT.FILL, SWT.TOP).applyTo(group); GridLayoutFactory.swtDefaults().numColumns(3).applyTo(group); Label label = new Label(group, SWT.NONE); label.setText("HTML file:"); htmlText = new Text(group, SWT.BORDER | SWT.SINGLE); htmlText.addModifyListener(new ModifyListener() { @Override public void modifyText(ModifyEvent e) { notifyPanelChanged(); } }); GridDataFactory.swtDefaults().align(SWT.FILL, SWT.CENTER).hint(400, SWT.DEFAULT).grab(true, false) .applyTo(htmlText); htmlBrowseButton = new Button(group, SWT.PUSH); htmlBrowseButton.setText("Select..."); PixelConverter converter = new PixelConverter(htmlBrowseButton); int widthHint = converter.convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH); GridDataFactory.swtDefaults().align(SWT.FILL, SWT.BEGINNING).hint(widthHint, -1).applyTo(htmlBrowseButton); htmlBrowseButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { handleApplicationBrowseButton(); } }); // Dartium settings group group = new Group(composite, SWT.NONE); group.setText("Dartium settings"); GridDataFactory.fillDefaults().grab(true, false).applyTo(group); GridLayoutFactory.swtDefaults().numColumns(3).applyTo(group); ((GridLayout) group.getLayout()).marginBottom = 5; useWebComponentsButton = new Button(group, SWT.CHECK); useWebComponentsButton.setText("Enable experimental browser features (Web Components)"); useWebComponentsButton .setToolTipText("--enable-experimental-webkit-features" + " and --enable-devtools-experiments"); GridDataFactory.swtDefaults().span(3, 1).applyTo(useWebComponentsButton); useWebComponentsButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { notifyPanelChanged(); } }); // additional browser arguments Label argsLabel = new Label(group, SWT.NONE); argsLabel.setText("Browser arguments:"); argumentText = new Text(group, SWT.BORDER | SWT.SINGLE); GridDataFactory.swtDefaults().align(SWT.FILL, SWT.CENTER).grab(true, false).span(2, 1) .applyTo(argumentText); Label messageLabel = new Label(composite, SWT.NONE); messageLabel.setText("Note: Does not support debugging of applications in Dartium"); messageLabel.setFont(getItalicFont(label.getFont())); setControl(composite); } @Override public void dispose() { Control control = getControl(); if (control != null) { control.dispose(); setControl(null); } } @Override public String getName() { return "Main"; } @Override public void initializeFrom(ILaunchConfiguration configuration) { SDBGLaunchConfigWrapper dartLauncher = new SDBGLaunchConfigWrapper(configuration); htmlText.setText(dartLauncher.appendQueryParams(dartLauncher.getApplicationName())); useWebComponentsButton.setSelection(dartLauncher.isEnableExperimentalWebkitFeatures()); argumentText.setText(dartLauncher.getArguments()); } @Override public void performApply(ILaunchConfigurationWorkingCopy configuration) { SDBGLaunchConfigWrapper dartLauncher = new SDBGLaunchConfigWrapper(configuration); dartLauncher.setShouldLaunchFile(true); String fileUrl = htmlText.getText().trim(); if (fileUrl.indexOf('?') == -1) { dartLauncher.setApplicationName(fileUrl); dartLauncher.setUrlQueryParams(""); } else { int index = fileUrl.indexOf('?'); dartLauncher.setApplicationName(fileUrl.substring(0, index)); dartLauncher.setUrlQueryParams(fileUrl.substring(index + 1)); } dartLauncher.setUseWebComponents(useWebComponentsButton.getSelection()); dartLauncher.setArguments(argumentText.getText().trim()); } @Override public void setDefaults(ILaunchConfigurationWorkingCopy configuration) { SDBGLaunchConfigWrapper dartLauncher = new SDBGLaunchConfigWrapper(configuration); dartLauncher.setShouldLaunchFile(true); dartLauncher.setApplicationName(""); //$NON-NLS-1$ } protected void handleApplicationBrowseButton() { IWorkspace workspace = ResourcesPlugin.getWorkspace(); AppSelectionDialog dialog = new AppSelectionDialog(getShell(), workspace.getRoot(), new HtmlWebResourceFilter()); dialog.setTitle("Select a HTML page to launch"); dialog.setInitialPattern(".", FilteredItemsSelectionDialog.FULL_SELECTION); //$NON-NLS-1$ IPath path = new Path(htmlText.getText()); if (workspace.validatePath(path.toString(), IResource.FILE).isOK()) { IFile file = workspace.getRoot().getFile(path); if (file != null && file.exists()) { dialog.setInitialSelections(new Object[] { path }); } } dialog.open(); Object[] results = dialog.getResult(); if ((results != null) && (results.length > 0) && (results[0] instanceof IFile)) { IFile file = (IFile) results[0]; String pathStr = file.getFullPath().toPortableString(); htmlText.setText(pathStr); } } private void notifyPanelChanged() { setDirty(true); updateLaunchConfigurationDialog(); } }