CD Actual Thematic 7: Programming/CDAT7.iso/demos/VisualAge for Java 2.0 Entry/setup/data1.cab/ide-e/IDE/cache/16DCDA6

Java Class File | 1998-09-16 | 7.2 KB | 243 lines

package com.sun.java.swing;

import com.sun.java.accessibility.AccessibleContext;
import com.sun.java.swing.event.EventListenerList;
import com.sun.java.swing.text.Document;
import com.sun.java.swing.text.JTextComponent;
import com.sun.java.swing.text.PlainDocument;
import com.sun.java.swing.text.TextAction;
import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class JTextField extends JTextComponent implements SwingConstants {
   public static final String notifyAction = "notify-field-accept";
   private BoundedRangeModel visibility;
   private int horizontalAlignment;
   private int columns;
   private int columnWidth;
   private String command;
   private static final Action[] defaultActions = new Action[]{new NotifyAction()};
   static Class class$java$awt$event$ActionListener;

   public JTextField() {
      this((Document)null, (String)null, 0);
   }

   public JTextField(int columns) {
      this((Document)null, (String)null, columns);
   }

   public JTextField(Document doc, String text, int columns) {
      this.horizontalAlignment = 2;
      if (columns < 0) {
         throw new IllegalArgumentException("columns less than zero.");
      } else {
         this.visibility = new DefaultBoundedRangeModel();
         this.visibility.addChangeListener(new ScrollRepainter(this));
         this.columns = columns;
         if (doc == null) {
            doc = this.createDefaultModel();
         }

         ((JTextComponent)this).setDocument(doc);
         if (text != null) {
            ((JTextComponent)this).setText(text);
         }

      }
   }

   public JTextField(String text) {
      this((Document)null, text, 0);
   }

   public JTextField(String text, int columns) {
      this((Document)null, text, columns);
   }

   public synchronized void addActionListener(ActionListener l) {
      EventListenerList var10000 = super.listenerList;
      Class var10001 = class$java$awt$event$ActionListener;
      if (var10001 == null) {
         try {
            var10001 = Class.forName("java.awt.event.ActionListener");
         } catch (ClassNotFoundException var2) {
            throw new NoClassDefFoundError(((Throwable)var2).getMessage());
         }

         class$java$awt$event$ActionListener = var10001;
      }

      var10000.add(var10001, l);
   }

   protected Document createDefaultModel() {
      return new PlainDocument();
   }

   protected void fireActionPerformed() {
      Object[] listeners = super.listenerList.getListenerList();
      ActionEvent e = new ActionEvent(this, 1001, this.command != null ? this.command : ((JTextComponent)this).getText());

      for(int i = listeners.length - 2; i >= 0; i -= 2) {
         Object var10000 = listeners[i];
         Class var10001 = class$java$awt$event$ActionListener;
         if (var10001 == null) {
            try {
               var10001 = Class.forName("java.awt.event.ActionListener");
            } catch (ClassNotFoundException var4) {
               throw new NoClassDefFoundError(((Throwable)var4).getMessage());
            }

            class$java$awt$event$ActionListener = var10001;
         }

         if (var10000 == var10001) {
            ((ActionListener)listeners[i + 1]).actionPerformed(e);
         }
      }

   }

   public AccessibleContext getAccessibleContext() {
      if (super.accessibleContext == null) {
         super.accessibleContext = new AccessibleJTextField(this);
      }

      return super.accessibleContext;
   }

   public Action[] getActions() {
      return TextAction.augmentList(super.getActions(), defaultActions);
   }

   public int getColumns() {
      return this.columns;
   }

   protected int getColumnWidth() {
      if (this.columnWidth == 0) {
         FontMetrics metrics = ((Component)this).getFontMetrics(((Component)this).getFont());
         this.columnWidth = metrics.charWidth('m');
      }

      return this.columnWidth;
   }

   public int getHorizontalAlignment() {
      return this.horizontalAlignment;
   }

   public BoundedRangeModel getHorizontalVisibility() {
      return this.visibility;
   }

   public Dimension getMinimumSize() {
      return this.getPreferredSize();
   }

   public Dimension getPreferredSize() {
      synchronized(((Component)this).getTreeLock()) {
         Dimension size = super.getPreferredSize();
         if (this.columns != 0) {
            size.width = this.columns * this.getColumnWidth();
         }

         return size;
      }
   }

   public int getScrollOffset() {
      return this.visibility.getValue();
   }

   public String getUIClassID() {
      return "TextFieldUI";
   }

   public boolean isValidateRoot() {
      return true;
   }

   protected String paramString() {
      return super.paramString() + ",columns=" + this.columns + ",command=" + this.command;
   }

   public void postActionEvent() {
      this.fireActionPerformed();
   }

   public synchronized void removeActionListener(ActionListener l) {
      EventListenerList var10000 = super.listenerList;
      Class var10001 = class$java$awt$event$ActionListener;
      if (var10001 == null) {
         try {
            var10001 = Class.forName("java.awt.event.ActionListener");
         } catch (ClassNotFoundException var2) {
            throw new NoClassDefFoundError(((Throwable)var2).getMessage());
         }

         class$java$awt$event$ActionListener = var10001;
      }

      var10000.remove(var10001, l);
   }

   public void scrollRectToVisible(Rectangle r) {
      int x = r.x + this.visibility.getValue();
      if (x < this.visibility.getValue()) {
         this.visibility.setValue(x - 2);
      } else if (x > this.visibility.getValue() + this.visibility.getExtent()) {
         this.visibility.setValue(x - this.visibility.getExtent() + 2);
      }

   }

   public void setActionCommand(String command) {
      this.command = command;
   }

   public void setColumns(int columns) {
      int oldVal = this.columns;
      if (columns < 0) {
         throw new IllegalArgumentException("columns less than zero.");
      } else {
         if (columns != oldVal) {
            this.columns = columns;
            ((Container)this).invalidate();
         }

      }
   }

   public void setFont(Font f) {
      super.setFont(f);
      this.columnWidth = 0;
      ((JComponent)this).revalidate();
   }

   public void setHorizontalAlignment(int alignment) {
      if (alignment != this.horizontalAlignment) {
         int oldValue = this.horizontalAlignment;
         if (alignment != 2 && alignment != 0 && alignment != 4) {
            throw new IllegalArgumentException("horizontalAlignment");
         } else {
            this.horizontalAlignment = alignment;
            ((JComponent)this).firePropertyChange("horizontalAlignment", oldValue, this.horizontalAlignment);
            ((Container)this).invalidate();
            ((Component)this).repaint();
         }
      }
   }

   public void setScrollOffset(int scrollOffset) {
      this.visibility.setValue(scrollOffset);
   }
}