CBAbout


1   package com.ca.commons.cbutil;
2   
3   import javax.swing.*;
4   import java.awt.*;
5   import java.awt.event.*;
6   import java.io.File  ;
7   import java.io.IOException  ;
8   
9   
10  /*
11   * This class displays the CA standard about dialog. This class is to be used across all the java
12   * projects.  This is why all the Strings for components are passed in the constructor.  Currently
13   * JXplorer handles its strings differently for internationalisation.
14   */
15  
16  public class CBAbout extends JDialog
17  {
18  
19      private JTextArea information; //This is where the message information about copyright etc. goes
20      private JLabel productLogoLabel, caLogoLabel;   //Two JLabels to display the images at the top and bottom left of the screen
21      private JPanel buttonsPanel, bottomPanel;
22      private CBButton okButton;
23      private static final int width = 477;   // the standard CA about window width
24      private static final int height = 288;  // the standard CA about window hight
25      private JFrame owner;
26  
27  
28      /**
29       * The url for the CA website.
30       */
31      private static final String   URL = "http://www.ca.com";
32  
33      /**
34       * This is a constructor.
35       *
36       * @param frame            the parent frame for the dialog box
37       * @param message          the product details to be displayed in the center scrollpane
38       * @param caLogoImage      the CA Logo ImageIcon to go down the bottom left of the dialog
39       * @param productLogoImage the product specific banner to go up the top of the dialog
40       * @param okButtonMessage  the String to go on the label to the OK button
41       * @param okButtonTooltip  the tooltip to be displayed on the mouseover for the OK button
42       * @param aboutDialogTitle the title of the AboutDlg
43       */
44  
45  
46      public CBAbout(JFrame frame, String   message, ImageIcon caLogoImage, ImageIcon productLogoImage,
47                     String   okButtonMessage, String   okButtonTooltip, String   aboutDialogTitle)
48      {
49          super(frame, aboutDialogTitle, true);
50  
51          owner = frame;
52  
53  
54          setBackground(Color.white);
55  
56          Dimension screen = Toolkit.getDefaultToolkit().getScreenSize();
57          setBounds((screen.width - width) / 2, (screen.height - height) / 2, width, height);
58  
59          setSize(width, height);
60          setResizable(false);
61  
62          /*
63           * puts the product banner image up the top of the dialog
64           */
65          productLogoLabel = new JLabel(productLogoImage);
66          productLogoLabel.setBackground(Color.white);
67          getContentPane().add(productLogoLabel, BorderLayout.NORTH);
68  
69          /*
70           * creates a scrollable text area in the center of the dialog and
71           * inserts the String with your copyright information, versions etc.
72           */
73          JPanel infoPanel = new JPanel(new GridLayout(1, 0));
74          infoPanel.setBackground(Color.white);
75          information = new JTextArea(message);
76          information.setBackground(Color.white);
77          information.setOpaque(true);
78          information.setEditable(false);
79  
80          JScrollPane textPane = new JScrollPane(information);
81          textPane.setBackground(Color.white);
82          textPane.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
83          infoPanel.add(textPane);
84          infoPanel.setBorder(BorderFactory.createLineBorder(Color.white, 15));
85          getContentPane().add(infoPanel, BorderLayout.CENTER);
86  
87          /*
88           * Creates the bottom panel of the dialog which will hold the calogo image,
89           * a blank spacing label and the button panel
90           */
91          bottomPanel = new JPanel(new FlowLayout(FlowLayout.LEFT));
92          bottomPanel.setBackground(Color.white);
93          caLogoLabel = new JLabel(caLogoImage);
94          caLogoLabel.setToolTipText("i am ca");
95  
96          caLogoLabel.addMouseListener(new MouseAdapter()
97          {
98              /**
99               * Sets the cursor to the hand cursor when the mouse is over
100              * the CA logo.
101              */
102             public void mouseEntered(MouseEvent e)
103             {
104                 CBUtility.setHandCursor((Component) caLogoLabel);
105             }
106 
107             /**
108              * Sets the cursor back to the normal cursor when the mouse is over
109              * the CA logo.
110              */
111             public void mouseExited(MouseEvent e)
112             {
113                 CBUtility.setNormalCursor((Component) caLogoLabel);
114             }
115 
116             /**
117              * Kicks off the CA web site in the default browser when the CA logo is clicked.
118              */
119             public void mouseClicked(MouseEvent e)
120             {
121                 iAmCa();
122             }
123         });
124         bottomPanel.add(caLogoLabel);
125         bottomPanel.add(new JLabel("                                                    "));
126 
127         /*
128          *  Creates a panel that places the ok button down the bottom right of the Dialog
129          *  and will hide the dialog when pressed
130          */
131         buttonsPanel = new JPanel(new FlowLayout());
132         buttonsPanel.setBackground(Color.white);
133 
134         //blank labels to move the ok button down to the bottom of the screen
135         buttonsPanel.add(new JLabel(""));
136         buttonsPanel.add(new JLabel(""));
137 
138         okButton = new CBButton(okButtonMessage, okButtonTooltip);
139         okButton.addActionListener(new ActionListener()
140         {
141             public void actionPerformed(ActionEvent e)
142             {
143                 setVisible(false);
144             }
145         });
146         buttonsPanel.add(okButton);
147         bottomPanel.add(buttonsPanel);
148         getContentPane().add(bottomPanel, BorderLayout.SOUTH);
149     }
150 
151 
152     /**
153      * Attempts to launch the CA website in the users default browser.
154      * If the os is not windows it will ask the user to locate the default broswer.
155      */
156 
157     public void iAmCa()
158     {
159         if (System.getProperty("os.name").indexOf("Windows") >= 0)
160             CBLauncher.launchProgram(".html", URL);
161         else
162         {
163 
164             String   browserName;
165 
166             //Set up a FileDialog for the user to locate the browser to use.
167             FileDialog fileDialog = new FileDialog(owner);
168             fileDialog.setMode(FileDialog.LOAD);
169             fileDialog.setTitle("Choose the browser to use:");
170             fileDialog.setVisible(true);
171 
172             //Retrieve the path information from the dialog and verify it.
173             String   resultPath = fileDialog.getDirectory();
174             String   resultFile = fileDialog.getFile();
175             if (resultPath != null && resultPath.length() != 0 && resultFile != null && resultFile.length() != 0)
176             {
177                 File   file = new File  (resultPath + resultFile);
178                 if (file != null)
179                 {
180                     browserName = file.getPath();
181 
182                     try
183                     {
184                         //Launch the browser and pass it the desired URL
185                         Runtime.getRuntime().exec(new String  []{browserName, URL});
186                     }
187                     catch (IOException   exc)
188                     {
189                         exc.printStackTrace();
190                     }
191                 }
192             }
193         }
194     }
195 }
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