📄 dirgui.java
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// DirGui class// ============import java.awt.*;import java.awt.event.*;import java.io.*;import java.util.*;public class DirGui extends Frame implements WindowListener, ActionListener{ // link to directory component DirBase dirBase; // application window components Button newButton, doneButton; Label findLabel = new Label("Find : "); TextField sNameField; String sName; BrowseRecGui myBrowseRecGui ; NewRecGui myNewRecGui ; public DirGui(DirBase db) // constructor { super("Telephone Directory"); dirBase = db; setup(); } public void setup() // setup the window for the application { //resize(300,100); setSize(300,100); setLayout(new GridLayout(2,2)); sNameField = new TextField(10); newButton = new Button("new"); doneButton = new Button("done"); add(findLabel); add(sNameField); add(newButton); add(doneButton); sNameField.addActionListener(this); newButton.addActionListener(this); doneButton.addActionListener(this); myBrowseRecGui = new BrowseRecGui(this, dirBase); myNewRecGui = new NewRecGui(dirBase); } // end of method "setup" public void actionPerformed (ActionEvent event) { DirEntry rec; int recNum; if (event.getSource() == doneButton) { setVisible(false); } else if (event.getSource() == newButton) { myNewRecGui.show(); } else if (event.getSource() == sNameField) { sName = new String(sNameField.getText()); System.out.println("request to find "+sName); recNum = dirBase.contains(sName); if (recNum != -1) { rec = dirBase.find(sName); System.out.println(rec); myBrowseRecGui.load(rec,recNum); myBrowseRecGui.show(); } else { rec = new DirEntry(); rec.clear(); myBrowseRecGui.load(rec,-1); myBrowseRecGui.show(); }; } } // end of method "actionPerformed" public void windowOpened(WindowEvent event) {} public void windowIconified(WindowEvent event) {} public void windowDeiconified(WindowEvent event) {} public void windowClosed(WindowEvent event) {} public void windowActivated(WindowEvent event) {} public void windowDeactivated(WindowEvent event) {} public void windowClosing(WindowEvent event) { dispose(); } // end of method "windowClosing"} // end of class DirGui
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