PC Plus SuperCD (UK) 2000 March/pcp161a.iso/handson/files/copyjava.exe/com/sun/java/swing/JTextField.class

Java Class File | 1998-02-26 | 6.0 KB | 216 lines

package com.sun.java.swing;

import com.sun.java.accessibility.AccessibleContext;
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 String base = "textfield";
   private static int nameCounter;
   private static final Action[] defaultActions = new Action[]{new NotifyAction()};
   // $FF: synthetic field
   static Class class$java$awt$event$ActionListener;

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

   public JTextField(String var1) {
      this((Document)null, var1, 0);
   }

   public JTextField(int var1) {
      this((Document)null, (String)null, var1);
   }

   public JTextField(String var1, int var2) {
      this((Document)null, var1, var2);
   }

   public JTextField(Document var1, String var2, int var3) {
      this.horizontalAlignment = 2;
      ((Component)this).setName("textfield" + nameCounter++);
      if (var3 < 0) {
         throw new IllegalArgumentException("columns less than zero.");
      } else {
         this.visibility = new DefaultBoundedRangeModel();
         this.visibility.addChangeListener(new ScrollRepainter(this));
         this.columns = var3;
         if (var1 == null) {
            var1 = this.createDefaultModel();
         }

         ((JTextComponent)this).setDocument(var1);
         if (var2 != null) {
            ((JTextComponent)this).setText(var2);
         }

      }
   }

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

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

   public void setHorizontalAlignment(int var1) {
      if (var1 != this.horizontalAlignment) {
         int var2 = this.horizontalAlignment;
         if (var1 != 2 && var1 != 0 && var1 != 4) {
            throw new IllegalArgumentException("horizontalAlignment");
         } else {
            this.horizontalAlignment = var1;
            ((JComponent)this).firePropertyChange("horizontalAlignment", var2, this.horizontalAlignment);
            ((Container)this).invalidate();
            ((Component)this).repaint();
         }
      }
   }

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

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

   public void setColumns(int var1) {
      int var2 = this.columns;
      if (var1 < 0) {
         throw new IllegalArgumentException("columns less than zero.");
      } else {
         if (var1 != var2) {
            this.columns = var1;
            ((Container)this).invalidate();
         }

      }
   }

   protected int getColumnWidth() {
      if (this.columnWidth == 0) {
         FontMetrics var1 = ((Component)this).getFontMetrics(((Component)this).getFont());
         this.columnWidth = var1.charWidth('m');
      }

      return this.columnWidth;
   }

   public Dimension getPreferredSize() {
      Object var2 = ((Component)this).getTreeLock();
      synchronized(var2){}

      Dimension var1;
      try {
         Dimension var4 = super.getPreferredSize();
         if (this.columns != 0) {
            var4.width = this.columns * this.getColumnWidth();
         }

         var1 = var4;
      } catch (Throwable var6) {
         throw var6;
      }

      return var1;
   }

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

   public void setFont(Font var1) {
      super.setFont(var1);
      this.columnWidth = 0;
      ((JComponent)this).revalidate();
   }

   public synchronized void addActionListener(ActionListener var1) {
      super.listenerList.add(class$java$awt$event$ActionListener != null ? class$java$awt$event$ActionListener : (class$java$awt$event$ActionListener = JComponent.class$("java.awt.event.ActionListener")), var1);
   }

   public synchronized void removeActionListener(ActionListener var1) {
      super.listenerList.remove(class$java$awt$event$ActionListener != null ? class$java$awt$event$ActionListener : (class$java$awt$event$ActionListener = JComponent.class$("java.awt.event.ActionListener")), var1);
   }

   protected void fireActionPerformed() {
      Object[] var1 = super.listenerList.getListenerList();
      ActionEvent var2 = new ActionEvent(this, 1001, this.command != null ? this.command : ((JTextComponent)this).getText());

      for(int var3 = var1.length - 2; var3 >= 0; var3 -= 2) {
         if (var1[var3] == (class$java$awt$event$ActionListener != null ? class$java$awt$event$ActionListener : (class$java$awt$event$ActionListener = JComponent.class$("java.awt.event.ActionListener")))) {
            ((ActionListener)var1[var3 + 1]).actionPerformed(var2);
         }
      }

   }

   public void setActionCommand(String var1) {
      this.command = var1;
   }

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

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

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

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

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

   public void setScrollOffset(int var1) {
      this.visibility.setValue(var1);
   }

   public void scrollRectToVisible(Rectangle var1) {
      int var2 = var1.x + this.visibility.getValue();
      if (var2 < this.visibility.getValue()) {
         this.visibility.setValue(var2 - 2);
      } else {
         if (var2 > this.visibility.getValue() + this.visibility.getExtent()) {
            this.visibility.setValue(var2 - this.visibility.getExtent() + 2);
         }

      }
   }

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

      return super.accessibleContext;
   }
}