org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/views/uml2sd/dialogs/SDPrintDialog.java

   1 /**********************************************************************
   2  * Copyright (c) 2005, 2014 IBM Corporation, Ericsson
   3  * All rights reserved.   This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/epl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM - Initial API and implementation
  10  *     Bernd Hufmann - Updated for TMF
  11  **********************************************************************/
  12
  13 package org.eclipse.tracecompass.tmf.ui.views.uml2sd.dialogs;
  14
  15 import org.eclipse.jface.dialogs.Dialog;
  16 import org.eclipse.jface.dialogs.IDialogConstants;
  17 import org.eclipse.swt.SWT;
  18 import org.eclipse.swt.events.SelectionEvent;
  19 import org.eclipse.swt.events.SelectionListener;
  20 import org.eclipse.swt.layout.GridData;
  21 import org.eclipse.swt.widgets.Button;
  22 import org.eclipse.swt.widgets.Composite;
  23 import org.eclipse.swt.widgets.Control;
  24 import org.eclipse.swt.widgets.Label;
  25 import org.eclipse.swt.widgets.Shell;
  26 import org.eclipse.tracecompass.tmf.ui.views.uml2sd.SDWidget;
  27 import org.eclipse.tracecompass.tmf.ui.views.uml2sd.util.Messages;
  28
  29 /**
  30  * This class implements a dialog box for collecting printing information.
  31  *
  32  * @version 1.0
  33  * @author sveyrier
  34  */
  35 public class SDPrintDialog extends Dialog {
  36
  37     // ------------------------------------------------------------------------
  38     // Attributes
  39     // ------------------------------------------------------------------------
  40     /**
  41      * The sequence dialog widget reference.
  42      */
  43     private SDWidget fSdView;
  44     /**
  45      * Sequence dialog print dialog UI
  46      */
  47     private SDPrintDialogUI fDialogUI;
  48     /**
  49      * Error message to display.
  50      */
  51     private String fErrorMessage = null;
  52     /**
  53      * A message label.
  54      */
  55     private Label fMessageLabel = null;
  56     /**
  57      * Flag whether the page is complete or not
  58      */
  59     private boolean fIsPageComplete = true;
  60
  61     // ------------------------------------------------------------------------
  62     // Constructors
  63     // ------------------------------------------------------------------------
  64     /**
  65      * Standard constructor
  66      *
  67      * @param shell Shell reference
  68      * @param viewer Sequence diagram widget reference
  69      */
  70     public SDPrintDialog(Shell shell, SDWidget viewer) {
  71         super(shell);
  72         fSdView = viewer;
  73
  74         fDialogUI = new SDPrintDialogUI(shell, fSdView);
  75         fDialogUI.setParentDialog(this);
  76     }
  77
  78     // ------------------------------------------------------------------------
  79     // Methods
  80     // ------------------------------------------------------------------------
  81
  82     @Override
  83     protected Control createDialogArea(Composite p) {
  84         p.getShell().setText(Messages.SequenceDiagram_Print);
  85         Composite parent = (Composite) super.createDialogArea(p);
  86
  87         fDialogUI.createDialogArea(parent);
  88
  89         fMessageLabel = new Label(parent, SWT.NONE);
  90         GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
  91         gridData.horizontalSpan = 6;
  92         fMessageLabel.setLayoutData(gridData);
  93         setErrorMessage(fErrorMessage);
  94
  95         return parent;
  96     }
  97
  98     @Override
  99     protected void okPressed() {
 100
 101         if (fDialogUI.okPressed()) {
 102             super.okPressed();
 103         }
 104     }
 105
 106     @Override
 107     protected void createButtonsForButtonBar(Composite parent) {
 108
 109         super.createButtonsForButtonBar(parent);
 110         createButton(parent, IDialogConstants.CLIENT_ID, Messages.SequenceDiagram_Printer, false);
 111
 112         getButton(IDialogConstants.CLIENT_ID).addSelectionListener(new SelectionListener() {
 113             @Override
 114             public void widgetSelected(SelectionEvent e) {
 115                 fDialogUI.printButtonSelected();
 116             }
 117
 118             @Override
 119             public void widgetDefaultSelected(SelectionEvent e) {
 120             }
 121         });
 122
 123         updateButtons();
 124     }
 125
 126     /**
 127      * @return the dialog UI
 128      */
 129     public SDPrintDialogUI getDialogUI() {
 130         return fDialogUI;
 131     }
 132
 133     /**
 134      * Sets the error message.
 135      *
 136      * @param message error message to set
 137      */
 138     public void setErrorMessage(String message) {
 139         fErrorMessage = message;
 140         if (fMessageLabel != null) {
 141             if (fErrorMessage == null) {
 142                 fMessageLabel.setText(""); //$NON-NLS-1$
 143             } else {
 144                 fMessageLabel.setText(fErrorMessage);
 145             }
 146         }
 147     }
 148
 149     /**
 150      * Sets the page complete flag.
 151      * @param complete whether page is complete or not
 152      */
 153     public void setPageComplete(boolean complete) {
 154         fIsPageComplete = complete;
 155         updateButtons();
 156     }
 157
 158     /**
 159      * Udates the button enable state.
 160      */
 161     public void updateButtons() {
 162         Button okButton = getButton(IDialogConstants.OK_ID);
 163         if (fIsPageComplete) {
 164             if (okButton != null) {
 165                 okButton.setEnabled(true);
 166             }
 167         } else {
 168             if (okButton != null) {
 169                 okButton.setEnabled(false);
 170             }
 171         }
 172     }
 173
 174 }