Java tutorial
/////////////////////////////////////////////////////////////////////////////// // // PACKAGE : com.astra.ses.spell.gui.presentation.code.dialogs // // FILE : ItemInfoDialog.java // // DATE : 2008-11-21 08:55 // // Copyright (C) 2008, 2010 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.presentation.code.dialogs; import java.util.Vector; 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.events.ControlEvent; import org.eclipse.swt.events.ControlListener; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.graphics.Point; import org.eclipse.swt.graphics.Rectangle; 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.Shell; import org.eclipse.swt.widgets.Table; import org.eclipse.swt.widgets.TableColumn; import com.astra.ses.spell.gui.core.model.notification.ItemNotification; import com.astra.ses.spell.gui.presentation.code.Activator; import com.astra.ses.spell.gui.presentation.code.controls.ItemInfoTable; import com.astra.ses.spell.gui.presentation.code.controls.CodeViewer.ItemNotificationListener; import com.astra.ses.spell.gui.procs.model.ProcedureLine; import com.astra.ses.spell.gui.procs.model.StackHelper; /******************************************************************************* * @brief Dialog for selecting the SPELL server connection to be used. * @date 18/09/07 * @author Rafael Chinchilla (GMV) ******************************************************************************/ public class ItemInfoDialog extends TitleAreaDialog implements ControlListener, ItemNotificationListener { // ========================================================================= // # STATIC DATA MEMBERS // ========================================================================= // PRIVATE ----------------------------------------------------------------- private static int s_lastWidth = 0; // PROTECTED --------------------------------------------------------------- // PUBLIC ------------------------------------------------------------------ // ========================================================================= // # INSTANCE DATA MEMBERS // ========================================================================= // PRIVATE ----------------------------------------------------------------- /** Holds the dialog image icon */ private Image m_image; /** Holds the table of items */ private ItemInfoTable m_items; private String m_csPosition; /** Procedure id */ private String m_procId; /** Procedure line */ private ProcedureLine m_line; // PROTECTED --------------------------------------------------------------- // PUBLIC ------------------------------------------------------------------ // ========================================================================= // # ACCESSIBLE METHODS // ========================================================================= /*************************************************************************** * Constructor * * @param shell * The parent shell **************************************************************************/ public ItemInfoDialog(Shell shell, String procId, ProcedureLine line, String csPosition) { super(shell); setShellStyle(SWT.CLOSE | SWT.RESIZE); // Obtain the image for the dialog icon ImageDescriptor descr = Activator.getImageDescriptor("icons/dlg_detail.png"); m_image = descr.createImage(); m_csPosition = csPosition; m_procId = procId; m_line = line; } /*************************************************************************** * Called when the dialog is about to close. * * @return The superclass return value. **************************************************************************/ public boolean close() { m_image.dispose(); return super.close(); } /*************************************************************************** * Dynamic item notification **************************************************************************/ public void notifyItem(ItemNotification data, String csPos) { int lineIndex = m_line.getLineNum(); Vector<String> dcsp = data.getStackPosition(); for (int idx = 0; idx < dcsp.size(); idx++) { if (StackHelper.getStackElement(dcsp, idx).equals(csPos)) { int dataIndex = Integer.parseInt(dcsp.get(idx + 1)); if (lineIndex == dataIndex) { m_items.updateInfo(m_csPosition); int lineNo = m_line.getLineNum(); int executions = m_line.getNumVisits(); setMessage("Line: " + lineNo + " ( executed " + executions + " times)"); return; } } } } // ========================================================================= // # 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); int lineNo = m_line.getLineNum(); int executions = m_line.getNumVisits(); setTitle("Item information for " + m_procId); setMessage("Line: " + lineNo + " ( executed " + executions + " times)"); 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) { parent.addControlListener(this); // Main composite of the dialog area ----------------------------------- Composite top = new Composite(parent, SWT.NONE); GridData areaData = new GridData(GridData.FILL_BOTH); areaData.widthHint = 1050; top.setLayoutData(areaData); GridLayout layout = new GridLayout(); layout.marginHeight = 5; layout.marginWidth = 5; layout.marginTop = 5; layout.marginBottom = 5; layout.marginLeft = 5; layout.marginRight = 5; layout.numColumns = 1; top.setLayout(layout); createItemInfoArea(top); return parent; } /*************************************************************************** * Create the context information group **************************************************************************/ protected void createItemInfoArea(Composite parent) { boolean summaryValue = true; Button summary = new Button(parent, SWT.CHECK); summary.setSelection(summaryValue); summary.setText("Show latest information"); summary.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { Button button = (Button) e.widget; boolean val = button.getSelection(); m_items.setSummaryMode(val); } }); m_items = new ItemInfoTable(m_line, parent); m_items.updateInfo(m_csPosition); } /*************************************************************************** * Create the button bar buttons. * * @param parent * The Button Bar. **************************************************************************/ protected void createButtonsForButtonBar(Composite parent) { createButton(parent, IDialogConstants.CLOSE_ID, IDialogConstants.CLOSE_LABEL, true); } /*************************************************************************** * Called when one of the buttons of the button bar is pressed. * * @param buttonId * The button identifier. **************************************************************************/ protected void buttonPressed(int buttonId) { switch (buttonId) { case IDialogConstants.CLOSE_ID: close(); } } /*************************************************************************** * Called when the dialog is moved **************************************************************************/ @Override public void controlMoved(ControlEvent e) { } /*************************************************************************** * Called when the dialog is resized **************************************************************************/ @Override public void controlResized(ControlEvent e) { Table table = m_items.getTable(); Point preferredSize = table.computeSize(SWT.DEFAULT, SWT.DEFAULT); Rectangle area = m_items.getControl().getBounds(); int width = area.width - 2 * table.getBorderWidth() - 1; if (width < 0) { width = getDialogArea().getBounds().width - 2 * table.getBorderWidth() - 2 * m_items.getControl().getBorderWidth(); } if (s_lastWidth == width) return; table.setRedraw(false); s_lastWidth = width; if (preferredSize.y > area.height + table.getHeaderHeight()) { // Subtract the scrollbar width from the total column width // if a vertical scrollbar will be required Point vBarSize = table.getVerticalBar().getSize(); width -= vBarSize.x; } int fixedWidth = 0; TableColumn[] columns = table.getColumns(); for (int cidx = 0; cidx < columns.length; cidx++) { if (cidx != ItemInfoTable.COMMENT_COLUMN) { fixedWidth += columns[cidx].getWidth(); } } int cw = width - fixedWidth; if (table.getVerticalBar().isVisible()) { cw -= table.getVerticalBar().getSize().x; } columns[ItemInfoTable.COMMENT_COLUMN].setWidth(cw); table.setSize(width, area.height); table.setRedraw(true); } }