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Diffstat (limited to 'java/ImageProcessing/framework/DialogManager.java')
| -rw-r--r-- | java/ImageProcessing/framework/DialogManager.java | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/java/ImageProcessing/framework/DialogManager.java b/java/ImageProcessing/framework/DialogManager.java new file mode 100644 index 00000000000..2a169675e0b --- /dev/null +++ b/java/ImageProcessing/framework/DialogManager.java @@ -0,0 +1,174 @@ +package imaging.framework; + +import java.awt.*; +import java.awt.image.*; + +class DialogManager +{ + public static void popDialog (int type, String message) + { + Frame frame = null; + + switch (type) + { + case DialogType.ABOUT: + frame = new AboutFrame (); + break; + case DialogType.MALFORMED_URL: + case DialogType.URL_NOT_FOUND: + frame = new MessageFrame ("Error", message); + break; + case DialogType.NOT_YET_IMPLEMENTED: + frame = new MessageFrame ("", message); + break; + } + Dimension d = Toolkit.getDefaultToolkit ().getScreenSize (); + frame.move ((d.width - frame.size ().width)/2, + (d.height - frame.size ().height)/2); + /* frame.reshape ((d.width - frame.size ().width)/2, + (d.height - frame.size ().height)/2, + frame.size ().width, + frame.size ()); + */ + frame.show (); + } +} + +class MessageFrame extends Frame +{ + public MessageFrame (String title, String message) + { + super (title); + + this.resize (250,100); + this.setLayout (new BorderLayout ()); + + this.text_ = new TextField (message); + this.text_.setEditable (false); + + Panel okButtonPanel = new Panel (); + okButtonPanel.add (this.okButton_); + okButtonPanel.resize (100, 100); + + this.add ("Center", this.text_); + this.add ("South", okButtonPanel); + } + + public boolean handleEvent (Event evt) + { + if (evt.id == Event.WINDOW_DESTROY) + { + this.dispose (); + return true; + } + return super.handleEvent (evt); + } + + // Handle all action events + public boolean action (Event e, Object arg) + { + if (e.target instanceof Button) + { + if (e.target == this.okButton_) + { + this.dispose (); + } + return true; + } + else + return false; + } + + private Button okButton_ = new Button (" ok "); + private TextField text_ = null; +} + +class AboutFrame extends Frame +{ + public AboutFrame () + { + super ("About"); + this.setText (); + + this.resize (500,700); + this.setLayout (new BorderLayout ()); + + Panel okButtonPanel = new Panel (); + okButtonPanel.add (this.okButton_); + + this.add ("South", okButtonPanel); + } + + public void paint (Graphics g) + { + g.clearRect (0, 0, this.size ().width, this.size ().height); + g.setFont (new Font ("TimesRoman", Font.PLAIN, 18)); + this.setBackground (Color.white); + int x = 20; + int y = 100; + + for (int i = 0; i < AboutFrame.MAXROWS; i++) + { + g.drawString(this.text_[i], x, y); + y += g.getFont ().getSize () + 5; + } + } + + // Handle window destroy events + public boolean handleEvent (Event evt) + { + if (evt.id == Event.WINDOW_DESTROY) + { + this.dispose (); + return true; + } + return super.handleEvent (evt); + } + + // Handle all action events + public boolean action (Event e, Object arg) + { + if (e.target instanceof Button) + { + if (e.target == this.okButton_) + { + this.dispose (); + } + return true; + } + else + return false; + } + + private void setText () + { + text_[0] = "This is a prototype of a large scale distributed medical"; + text_[1] = "imaging system. It has been developed using Java, in"; + text_[2] = "particular, several components of Java ACE."; + text_[3] = ""; + text_[4] = "The prototype allows images to be downloaded across the"; + text_[5] = "network. It then provides several filters that can be"; + text_[6] = "used to do image processing. The image filters are"; + text_[7] = "configured into the system dynamically using the Service"; + text_[8] = "Configurator pattern. In the current implementation, the"; + text_[9] = "filters are specified via a configuration file located at"; + text_[10] = "server. The file can be modified at runtime to add"; + text_[11] = "additional filters or to remove some filters. This allows"; + text_[12] = "filters to be configured and reconfigured dynamically."; + text_[13] = ""; + text_[14] = "Currently, images can not be uploaded. This is mainly due"; + text_[15] = "to security restrictions imposed by current servers. Our"; + text_[16] = "goal is to use the prototpe in conjunction with JAWS, an"; + text_[17] = "adaptive web server we are currently developing in which we"; + text_[18] = "plan to provide support for image uploading."; + text_[19] = ""; + text_[20] = "For more information about this prototype, please contact"; + text_[21] = "Prashant Jain (pjain@cs.wustl.edu)."; + } + + private final static int MAXROWS = 22; + private Button okButton_ = new Button (" ok "); + private TextArea textArea_ = null; + private String [] text_ = new String [AboutFrame.MAXROWS]; +} + |