Java tutorial
/////////////////////////////////////////////////////////////////////////////// // // PACKAGE : com.astra.ses.spell.gui.dialogs // // FILE : InputFileViewerDialog.java // // DATE : Feb 9, 2012 // // Copyright (C) 2008, 2012 SES ENGINEERING, Luxembourg S.A.R.L. // // By using this software in any way, you are agreeing to be bound by // the terms of this license. // // 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 // // NO WARRANTY // EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, THE PROGRAM IS PROVIDED // ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER // EXPRESS OR IMPLIED INCLUDING, WITHOUT LIMITATION, ANY WARRANTIES OR // CONDITIONS OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A // PARTICULAR PURPOSE. Each Recipient is solely responsible for determining // the appropriateness of using and distributing the Program and assumes all // risks associated with its exercise of rights under this Agreement , // including but not limited to the risks and costs of program errors, // compliance with applicable laws, damage to or loss of data, programs or // equipment, and unavailability or interruption of operations. // // DISCLAIMER OF LIABILITY // EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, NEITHER RECIPIENT NOR ANY // CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING WITHOUT LIMITATION // LOST PROFITS), HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) // ARISING IN ANY WAY OUT OF THE USE OR DISTRIBUTION OF THE PROGRAM OR THE // EXERCISE OF ANY RIGHTS GRANTED HEREUNDER, EVEN IF ADVISED OF THE // POSSIBILITY OF SUCH DAMAGES. // // Contributors: // SES ENGINEERING - initial API and implementation and/or initial documentation // // PROJECT : SPELL // /////////////////////////////////////////////////////////////////////////////// package com.astra.ses.spell.gui.dialogs; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.dialogs.TitleAreaDialog; import org.eclipse.jface.resource.ImageDescriptor; import org.eclipse.jface.resource.JFaceResources; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.graphics.Font; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.layout.RowLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; import com.astra.ses.spell.gui.Activator; import com.astra.ses.spell.gui.core.model.server.DirectoryFile; import com.astra.ses.spell.gui.core.model.types.DataContainer; import com.astra.ses.spell.gui.core.model.types.Level; import com.astra.ses.spell.gui.core.utils.Logger; import com.astra.ses.spell.gui.dialogs.controls.DictVariablesTable; import com.astra.ses.spell.gui.model.commands.CommandResult; import com.astra.ses.spell.gui.model.commands.helpers.CommandHelper; import com.astra.ses.spell.gui.model.jobs.BuildDirectoryTreeJob; import com.astra.ses.spell.gui.model.jobs.GetInputFileJob; /******************************************************************************* * @brief Dialog for viewing input files ******************************************************************************/ public class InputFileViewerDialog extends TitleAreaDialog { // ========================================================================= // # STATIC DATA MEMBERS // ========================================================================= // PRIVATE ----------------------------------------------------------------- // PROTECTED --------------------------------------------------------------- // PUBLIC ------------------------------------------------------------------ public static final String ID = "com.astra.ses.spell.gui.dialogs.InputFileViewerDialog"; // ========================================================================= // # INSTANCE DATA MEMBERS // ========================================================================= // PRIVATE ----------------------------------------------------------------- /** Holds the dialog image icon */ private Image m_image; /** Holds the bold font */ private Font m_font; /** Holds the container model */ private DataContainer m_container; /** Holds the file viewer */ private DictVariablesTable m_fileTable; // PROTECTED --------------------------------------------------------------- // PUBLIC ------------------------------------------------------------------ // ========================================================================= // # ACCESSIBLE METHODS // ========================================================================= /*************************************************************************** * Constructor * * @param shell * The parent shell **************************************************************************/ public InputFileViewerDialog(Shell shell) { super(shell); // Obtain the image for the dialog icon ImageDescriptor descr = Activator.getImageDescriptor("icons/dlg_exec.png"); m_image = descr.createImage(); m_font = JFaceResources.getBannerFont(); m_container = new DataContainer("<none>", ""); } /*************************************************************************** * Defines the shell characteristics **************************************************************************/ protected void setShellStyle(int newShellStyle) { super.setShellStyle(SWT.CLOSE | SWT.MIN | SWT.MAX | SWT.RESIZE); } /*************************************************************************** * Called when the dialog is about to close. * * @return The superclass return value. **************************************************************************/ public boolean close() { m_image.dispose(); return super.close(); } // ========================================================================= // # NON-ACCESSIBLE METHODS // ========================================================================= /*************************************************************************** * Creates the dialog contents. * * @param parent * The base composite of the dialog * @return The resulting contents **************************************************************************/ protected Control createContents(Composite parent) { Control contents = super.createContents(parent); setMessage("InputData File Viewer"); setTitle("InputData data file viewer"); setTitleImage(m_image); getShell().setText("InputData File Viewer"); return contents; } /*************************************************************************** * Create the dialog area contents. * * @param parent * The base composite of the dialog * @return The resulting contents **************************************************************************/ @Override protected Control createDialogArea(Composite parent) { // Main composite of the dialog area ----------------------------------- Composite top = new Composite(parent, SWT.NONE); GridData areaData = new GridData(GridData.FILL_BOTH); areaData.widthHint = 1000; areaData.heightHint = 700; top.setLayoutData(areaData); GridLayout layout = new GridLayout(); layout.numColumns = 1; layout.verticalSpacing = 10; top.setLayout(layout); ///////////////////////////////////////////////////////////////////////////////////////// Composite buttons = new Composite(top, SWT.BORDER); buttons.setLayout(new RowLayout(SWT.HORIZONTAL)); buttons.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); Button btnOpen = new Button(buttons, SWT.PUSH); btnOpen.setText("Select file..."); btnOpen.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent ev) { doOpenFile(); } }); ///////////////////////////////////////////////////////////////////////////////////////// Composite dictGroup = new Composite(top, SWT.BORDER); dictGroup.setLayout(new GridLayout(1, true)); dictGroup.setLayoutData(new GridData(GridData.FILL_BOTH)); Label title1 = new Label(dictGroup, SWT.NONE); title1.setText("File contents"); title1.setFont(m_font); title1.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); Label sep1 = new Label(dictGroup, SWT.HORIZONTAL | SWT.SEPARATOR); sep1.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); int style = SWT.MULTI | SWT.FULL_SELECTION | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL; m_fileTable = new DictVariablesTable(dictGroup, true, true, style); m_fileTable.getControl().setLayoutData(new GridData(GridData.FILL_BOTH)); ///////////////////////////////////////////////////////////////////////////////////////// m_fileTable.initialize(m_container); return parent; } /*************************************************************************** * **************************************************************************/ private void doOpenFile() { BuildDirectoryTreeJob job = new BuildDirectoryTreeJob(); CommandHelper.executeInProgress(job, true, true); if (job.result.equals(CommandResult.SUCCESS)) { ServerFileSelectionDialog dialog = new ServerFileSelectionDialog(this.getShell(), job.tree); dialog.open(); DirectoryFile file = dialog.getSelectedFile(); if (file != null) { GetInputFileJob job2 = new GetInputFileJob(file.getAbsolutePath()); CommandHelper.executeInProgress(job2, true, true); if (job2.result.equals(CommandResult.SUCCESS)) { m_container = job2.container; Logger.debug("Obtained input file of " + m_container.getVariables().size() + " variables", Level.PROC, this); m_fileTable.setInput(m_container); m_fileTable.refresh(); } else { String msg = "Failed to obtain server file: " + file.getFilename() + "\n" + job2.error; MessageDialog.openError(getShell(), "Obtain input file", msg); } } } } /*************************************************************************** * Create the button bar buttons. * * @param parent * The Button Bar. **************************************************************************/ @Override protected void createButtonsForButtonBar(Composite parent) { createButton(parent, IDialogConstants.OK_ID, "Close", true); } /*************************************************************************** * Called when one of the buttons of the button bar is pressed. * * @param buttonId * The button identifier. **************************************************************************/ @Override protected void buttonPressed(int buttonId) { close(); } }