Java tutorial
/******************************************************************************* * Copyright 2017 Capital One Services, LLC and Bitwise, Inc. * 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 hydrograph.ui.graph.execution.tracking.windows; import org.eclipse.jface.action.Action; import org.eclipse.jface.action.CoolBarManager; import org.eclipse.jface.action.MenuManager; import org.eclipse.jface.action.StatusLineManager; import org.eclipse.jface.action.ToolBarManager; import org.eclipse.jface.resource.ImageDescriptor; import org.eclipse.jface.window.ApplicationWindow; import org.eclipse.swt.SWT; import org.eclipse.swt.custom.StyledText; import org.eclipse.swt.graphics.ImageData; import org.eclipse.swt.graphics.Point; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Shell; import hydrograph.ui.common.util.ImagePathConstant; import hydrograph.ui.common.util.XMLConfigUtil; import hydrograph.ui.graph.execution.tracking.constants.MenuConstants; import hydrograph.ui.graph.execution.tracking.handlers.ActionFactory; import hydrograph.ui.graph.execution.tracking.handlers.ClearConsoleAction; import hydrograph.ui.graph.execution.tracking.handlers.ScrollLockAction; import hydrograph.ui.graph.job.JobManager; /** * The Class ExecutionTrackingConsole use to display execution tracking log. * @author Bitwise */ public class ExecutionTrackingConsole extends ApplicationWindow { /** The styled text. */ private StyledText styledText; /** The console name. */ public String consoleName; /** The action factory. */ private ActionFactory actionFactory; /** The status line manager. */ public StatusLineManager statusLineManager; private String jobID; private boolean isScrollEnabled = false; /** * Create the application window,. * * @param consoleName the console name */ public ExecutionTrackingConsole(String consoleName, String jobID) { super(null); addCoolBar(SWT.FLAT); addMenuBar(); addStatusLine(); this.consoleName = consoleName; this.jobID = jobID; } /** * Create contents of the application window. * * @param parent the parent * @return the control */ @Override protected Control createContents(Composite parent) { getShell().setText("Execution tracking console - " + consoleName); getShell().setBounds(50, 250, 450, 500); Composite container = new Composite(parent, SWT.NONE); container.setLayout(new GridLayout(1, false)); { styledText = new StyledText(container, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL); styledText.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1)); styledText.setEditable(false); } statusLineManager.setMessage("Waiting for tracking status from server. Please wait!"); return container; } /** * Create the menu manager. * @return the menu manager */ @Override protected MenuManager createMenuManager() { MenuManager menuManager = new MenuManager(MenuConstants.MENU); menuManager.setVisible(true); createWindowMenu(menuManager); return menuManager; } /** * Creates the window menu. * * @param menuManager the menu manager */ private void createWindowMenu(MenuManager menuManager) { MenuManager windowMenu = createMenu(menuManager, MenuConstants.WINDOW); menuManager.add(windowMenu); windowMenu.setVisible(true); if (actionFactory == null) { actionFactory = new ActionFactory(this); } windowMenu.add(actionFactory.getAction(ClearConsoleAction.class.getName())); windowMenu.add(actionFactory.getAction(ScrollLockAction.class.getName())); } /** * Creates the menu. * * @param menuManager the menu manager * @param menuName the menu name * @return the menu manager */ private MenuManager createMenu(MenuManager menuManager, String menuName) { MenuManager menu = new MenuManager(menuName); menuManager.add(menu); menuManager.setVisible(true); return menu; } /** * Create the coolbar manager. * * @param style the style * @return the coolbar manager */ @Override protected CoolBarManager createCoolBarManager(int style) { CoolBarManager coolBarManager = new CoolBarManager(style); actionFactory = new ActionFactory(this); ToolBarManager toolBarManager = new ToolBarManager(); coolBarManager.add(toolBarManager); addtoolbarAction(toolBarManager, ImagePathConstant.CLEAR_EXEC_TRACKING_CONSOLE, actionFactory.getAction(ClearConsoleAction.class.getName())); addtoolbarAction(toolBarManager, ImagePathConstant.CONSOLE_SCROLL_LOCK, actionFactory.getAction(ScrollLockAction.class.getName())); return coolBarManager; } /** * Addtoolbar action. * * @param toolBarManager the tool bar manager * @param imagePath the image path * @param action the action */ private void addtoolbarAction(ToolBarManager toolBarManager, final ImagePathConstant imagePath, Action action) { ImageDescriptor exportImageDescriptor = new ImageDescriptor() { @Override public ImageData getImageData() { return imagePath.getImageFromRegistry().getImageData(); } }; action.setImageDescriptor(exportImageDescriptor); toolBarManager.add(action); } /** * Create the status line manager. * @return the status line manager */ @Override protected StatusLineManager createStatusLineManager() { statusLineManager = new StatusLineManager(); return statusLineManager; } /** * Configure the shell. * * @param newShell the new shell */ @Override protected void configureShell(Shell newShell) { super.configureShell(newShell); newShell.setText("New Application"); } /** * Return the initial size of the window. * * @return the initial size */ @Override protected Point getInitialSize() { return new Point(401, 300); } /** * Sets the status. * * @param executionStatus the execution status */ public void setStatus(String executionStatus) { statusLineManager.setMessage(""); if (styledText != null && !styledText.isDisposed()) { styledText.append(executionStatus); if (isScrollEnabled) { styledText.setTopIndex(0); } else { styledText.setTopIndex(styledText.getLineCount() - 1); } } } /** * Clear console. */ public void clearConsole() { if (styledText != null && !styledText.isDisposed()) { styledText.setText(""); } } /** * Lock the scroll bar */ public void lockScrollBar(boolean isChecked) { isScrollEnabled = isChecked; } /* (non-Javadoc) * @see org.eclipse.jface.window.ApplicationWindow#close() */ @Override public boolean close() { JobManager.INSTANCE.getExecutionTrackingConsoles().remove(jobID); return super.close(); } }