Java tutorial
/* * Copyright (C) 2012 The Android Open Source Project * * 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 com.android.uiautomator; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Point; 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.Event; import org.eclipse.swt.widgets.FileDialog; import org.eclipse.swt.widgets.Group; import org.eclipse.swt.widgets.Listener; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Text; import java.io.File; /** * Implements a file selection dialog for both screen shot and xml dump file * * "OK" button won't be enabled unless both files are selected * It also has a convenience feature such that if one file has been picked, and the other * file path is empty, then selection for the other file will start from the same base folder * */ public class OpenDialog extends Dialog { private static final int FIXED_TEXT_FIELD_WIDTH = 300; private static final int DEFAULT_LAYOUT_SPACING = 10; private Text mScreenshotText; private Text mXmlText; private boolean mFileChanged = false; private Button mOkButton; private static File sScreenshotFile; private static File sXmlDumpFile; /** * Create the dialog. * @param parentShell */ public OpenDialog(Shell parentShell) { super(parentShell); setShellStyle(SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL); } /** * Create contents of the dialog. * @param parent */ @Override protected Control createDialogArea(Composite parent) { Composite container = (Composite) super.createDialogArea(parent); GridLayout gl_container = new GridLayout(1, false); gl_container.verticalSpacing = DEFAULT_LAYOUT_SPACING; gl_container.horizontalSpacing = DEFAULT_LAYOUT_SPACING; gl_container.marginWidth = DEFAULT_LAYOUT_SPACING; gl_container.marginHeight = DEFAULT_LAYOUT_SPACING; container.setLayout(gl_container); Group openScreenshotGroup = new Group(container, SWT.NONE); openScreenshotGroup.setLayout(new GridLayout(2, false)); openScreenshotGroup.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1)); openScreenshotGroup.setText("Screenshot"); mScreenshotText = new Text(openScreenshotGroup, SWT.BORDER | SWT.READ_ONLY); if (sScreenshotFile != null) { mScreenshotText.setText(sScreenshotFile.getAbsolutePath()); } GridData gd_screenShotText = new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1); gd_screenShotText.minimumWidth = FIXED_TEXT_FIELD_WIDTH; gd_screenShotText.widthHint = FIXED_TEXT_FIELD_WIDTH; mScreenshotText.setLayoutData(gd_screenShotText); Button openScreenshotButton = new Button(openScreenshotGroup, SWT.NONE); openScreenshotButton.setText("..."); openScreenshotButton.addListener(SWT.Selection, new Listener() { @Override public void handleEvent(Event event) { handleOpenScreenshotFile(); } }); Group openXmlGroup = new Group(container, SWT.NONE); openXmlGroup.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1)); openXmlGroup.setText("UI XML Dump"); openXmlGroup.setLayout(new GridLayout(2, false)); mXmlText = new Text(openXmlGroup, SWT.BORDER | SWT.READ_ONLY); mXmlText.setEditable(false); if (sXmlDumpFile != null) { mXmlText.setText(sXmlDumpFile.getAbsolutePath()); } GridData gd_xmlText = new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1); gd_xmlText.minimumWidth = FIXED_TEXT_FIELD_WIDTH; gd_xmlText.widthHint = FIXED_TEXT_FIELD_WIDTH; mXmlText.setLayoutData(gd_xmlText); Button openXmlButton = new Button(openXmlGroup, SWT.NONE); openXmlButton.setText("..."); openXmlButton.addListener(SWT.Selection, new Listener() { @Override public void handleEvent(Event event) { handleOpenXmlDumpFile(); } }); return container; } /** * Create contents of the button bar. * @param parent */ @Override protected void createButtonsForButtonBar(Composite parent) { mOkButton = createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true); createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false); updateButtonState(); } /** * Return the initial size of the dialog. */ @Override protected Point getInitialSize() { return new Point(368, 233); } @Override protected void configureShell(Shell newShell) { super.configureShell(newShell); newShell.setText("Open UI Dump Files"); } private void handleOpenScreenshotFile() { FileDialog fd = new FileDialog(getShell(), SWT.OPEN); fd.setText("Open Screenshot File"); File initialFile = sScreenshotFile; // if file has never been selected before, try to base initial path on the mXmlDumpFile if (initialFile == null && sXmlDumpFile != null && sXmlDumpFile.isFile()) { initialFile = sXmlDumpFile.getParentFile(); } if (initialFile != null) { if (initialFile.isFile()) { fd.setFileName(initialFile.getAbsolutePath()); } else if (initialFile.isDirectory()) { fd.setFilterPath(initialFile.getAbsolutePath()); } } String[] filter = { "*.png" }; fd.setFilterExtensions(filter); String selected = fd.open(); if (selected != null) { sScreenshotFile = new File(selected); mScreenshotText.setText(selected); mFileChanged = true; } updateButtonState(); } private void handleOpenXmlDumpFile() { FileDialog fd = new FileDialog(getShell(), SWT.OPEN); fd.setText("Open UI Dump XML File"); File initialFile = sXmlDumpFile; // if file has never been selected before, try to base initial path on the mScreenshotFile if (initialFile == null && sScreenshotFile != null && sScreenshotFile.isFile()) { initialFile = sScreenshotFile.getParentFile(); } if (initialFile != null) { if (initialFile.isFile()) { fd.setFileName(initialFile.getAbsolutePath()); } else if (initialFile.isDirectory()) { fd.setFilterPath(initialFile.getAbsolutePath()); } } String initialPath = mXmlText.getText(); if (initialPath.isEmpty() && sScreenshotFile != null && sScreenshotFile.isFile()) { initialPath = sScreenshotFile.getParentFile().getAbsolutePath(); } String[] filter = { "*.uix" }; fd.setFilterExtensions(filter); String selected = fd.open(); if (selected != null) { sXmlDumpFile = new File(selected); mXmlText.setText(selected); mFileChanged = true; } updateButtonState(); } private void updateButtonState() { mOkButton.setEnabled(sXmlDumpFile != null && sXmlDumpFile.isFile()); } public boolean hasFileChanged() { return mFileChanged; } public File getScreenshotFile() { return sScreenshotFile; } public File getXmlDumpFile() { return sXmlDumpFile; } }