Java tutorial
/////////////////////////////////////////////////////////////////////////////// // // PACKAGE : com.astra.ses.spell.gui.model.dialogs // // FILE : VariableDetailDialog.java // // DATE : Sep 24, 2010 // // Copyright (C) 2008, 2011 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 // // SUBPROJECT: SPELL GUI Client // /////////////////////////////////////////////////////////////////////////////// package com.astra.ses.spell.gui.model.dialogs; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.TitleAreaDialog; import org.eclipse.jface.resource.ImageDescriptor; import org.eclipse.swt.SWT; 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.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Text; import com.astra.ses.spell.gui.Activator; import com.astra.ses.spell.gui.core.model.notification.VariableData; import com.astra.ses.spell.gui.watchvariables.Fragment; /** * */ public class VariableDetailDialog extends TitleAreaDialog { /** Holds the variable to show */ private VariableData m_variable; /** Image for the icon */ private Image m_image; /** Text */ private Text m_details; /** Font for details */ private Font m_font; /*************************************************************************** * Constructor **************************************************************************/ public VariableDetailDialog(Shell parentShell, VariableData var) { super(parentShell); m_variable = var; // Obtain the image for the dialog icon String baseLocation = "platform:/plugin/" + Fragment.FRAGMENT_ID; ImageDescriptor descr = Activator.getImageDescriptor(baseLocation + "/icons/48x48/glasses.png"); m_image = descr.createImage(); m_font = new Font(parentShell.getDisplay(), "Courier New", 10, SWT.NORMAL); } /*************************************************************************** * Called when the dialog is about to close. * * @return The superclass return value. **************************************************************************/ public boolean close() { m_image.dispose(); m_font.dispose(); return super.close(); } /*************************************************************************** * 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("Variable details for '" + m_variable.name + "'"); setTitle("Variable details"); setTitleImage(m_image); return contents; } /*************************************************************************** * Create the dialog area contents. * * @param parent * The base composite of the dialog * @return The resulting contents **************************************************************************/ protected Control createDialogArea(Composite parent) { // Main composite of the dialog area ----------------------------------- Composite top = new Composite(parent, SWT.NONE); GridLayout layout = new GridLayout(); top.setLayoutData(new GridData(GridData.FILL_BOTH)); layout.marginHeight = 3; layout.marginWidth = 3; layout.marginTop = 5; layout.marginBottom = 3; layout.marginLeft = 3; layout.marginRight = 3; layout.numColumns = 1; top.setLayout(layout); m_details = new Text(top, SWT.MULTI | SWT.READ_ONLY | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER); String details = m_variable.value; if (details.length() > 80) { String[] splitted = details.split(","); details = ""; for (String spl : splitted) { if (!details.isEmpty()) details += "\n"; details += spl; } } m_details.setText(details); m_details.setLayoutData(new GridData(GridData.FILL_BOTH)); m_details.setFont(m_font); return parent; } /*************************************************************************** * Create the button bar buttons. * * @param parent * The Button Bar. **************************************************************************/ protected void createButtonsForButtonBar(Composite parent) { createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true); } /*************************************************************************** * Called when one of the buttons of the button bar is pressed. * * @param buttonId * The button identifier. **************************************************************************/ protected void buttonPressed(int buttonId) { close(); } }