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

Java Class File | 1998-09-16 | 6.6 KB | 249 lines

package com.sun.java.swing;

import com.sun.java.accessibility.Accessible;
import com.sun.java.accessibility.AccessibleContext;
import com.sun.java.swing.plaf.LabelUI;
import java.awt.Component;
import java.awt.Container;
import java.awt.Font;
import java.awt.Image;

public class JLabel extends JComponent implements SwingConstants, Accessible {
   private int mnemonic;
   private String text;
   private Icon defaultIcon;
   private Icon disabledIcon;
   private int verticalAlignment;
   private int horizontalAlignment;
   private int verticalTextPosition;
   private int horizontalTextPosition;
   private int iconTextGap;
   protected Component labelFor;

   public JLabel() {
      this("", (Icon)null, 2);
   }

   public JLabel(Icon image) {
      this((String)null, image, 0);
   }

   public JLabel(Icon image, int horizontalAlignment) {
      this((String)null, image, horizontalAlignment);
   }

   public JLabel(String text) {
      this(text, (Icon)null, 2);
   }

   public JLabel(String text, int horizontalAlignment) {
      this(text, (Icon)null, horizontalAlignment);
   }

   public JLabel(String text, Icon icon, int horizontalAlignment) {
      this.mnemonic = 0;
      this.text = "";
      this.defaultIcon = null;
      this.disabledIcon = null;
      this.verticalAlignment = 0;
      this.horizontalAlignment = 2;
      this.verticalTextPosition = 0;
      this.horizontalTextPosition = 4;
      this.iconTextGap = 4;
      this.labelFor = null;
      this.setText(text);
      this.setIcon(icon);
      this.setHorizontalAlignment(horizontalAlignment);
      this.updateUI();
      ((JComponent)this).setAlignmentX(0.0F);
   }

   protected int checkHorizontalKey(int key, String message) {
      if (key != 2 && key != 0 && key != 4) {
         throw new IllegalArgumentException(message);
      } else {
         return key;
      }
   }

   protected int checkVerticalKey(int key, String message) {
      if (key != 1 && key != 0 && key != 3) {
         throw new IllegalArgumentException(message);
      } else {
         return key;
      }
   }

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

      return super.accessibleContext;
   }

   public Icon getDisabledIcon() {
      if (this.disabledIcon == null && this.defaultIcon != null && this.defaultIcon instanceof ImageIcon) {
         Image grayImage = GrayFilter.createDisabledImage(((ImageIcon)this.defaultIcon).getImage());
         this.disabledIcon = new ImageIcon(grayImage);
         ((JComponent)this).firePropertyChange("disabledIcon", (Object)null, this.disabledIcon);
      }

      return this.disabledIcon;
   }

   public int getDisplayedMnemonic() {
      return this.mnemonic;
   }

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

   public int getHorizontalTextPosition() {
      return this.horizontalTextPosition;
   }

   public Icon getIcon() {
      return this.defaultIcon;
   }

   public int getIconTextGap() {
      return this.iconTextGap;
   }

   public Component getLabelFor() {
      return this.labelFor;
   }

   public String getText() {
      return this.text;
   }

   public LabelUI getUI() {
      return (LabelUI)super.ui;
   }

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

   public int getVerticalAlignment() {
      return this.verticalAlignment;
   }

   public int getVerticalTextPosition() {
      return this.verticalTextPosition;
   }

   public void setDisabledIcon(Icon disabledIcon) {
      Icon oldValue = this.disabledIcon;
      this.disabledIcon = disabledIcon;
      ((JComponent)this).firePropertyChange("disabledIcon", oldValue, disabledIcon);
      ((Component)this).repaint(10L);
   }

   public void setDisplayedMnemonic(char aChar) {
      int vk = aChar;
      if (aChar >= 'a' && aChar <= 'z') {
         vk = aChar - 32;
      }

      this.setDisplayedMnemonic(vk);
   }

   public void setDisplayedMnemonic(int key) {
      int oldKey = this.mnemonic;
      this.mnemonic = key;
      ((JComponent)this).firePropertyChange("displayedMnemonic", oldKey, this.mnemonic);
      ((Component)this).repaint();
   }

   public void setFont(Font font) {
      super.setFont(font);
      ((Component)this).repaint(10L);
   }

   public void setHorizontalAlignment(int alignment) {
      if (alignment != this.horizontalAlignment) {
         int oldValue = this.horizontalAlignment;
         this.horizontalAlignment = this.checkHorizontalKey(alignment, "horizontalAlignment");
         ((JComponent)this).firePropertyChange("horizontalAlignment", oldValue, this.horizontalAlignment);
         ((Component)this).repaint(10L);
      }
   }

   public void setHorizontalTextPosition(int x) {
      if (x != this.horizontalTextPosition) {
         this.horizontalTextPosition = this.checkHorizontalKey(x, "horizontalTextPosition");
         ((Component)this).repaint(10L);
      }
   }

   public void setIcon(Icon icon) {
      this.defaultIcon = icon;
      ((JComponent)this).firePropertyChange("icon", icon, this.defaultIcon);
      if (super.accessibleContext != null && icon != this.defaultIcon) {
         super.accessibleContext.firePropertyChange("AccessibleVisibleData", icon, this.defaultIcon);
      }

      ((Component)this).repaint(10L);
   }

   public void setIconTextGap(int iconTextGap) {
      this.iconTextGap = iconTextGap;
      ((JComponent)this).firePropertyChange("iconTextGap", iconTextGap, iconTextGap);
      ((Container)this).invalidate();
      ((Component)this).repaint(10L);
   }

   public void setLabelFor(Component c) {
      Component oldC = this.labelFor;
      this.labelFor = c;
      ((JComponent)this).firePropertyChange("labelFor", oldC, c);
   }

   public void setText(String text) {
      String oldAccessibleName = null;
      if (super.accessibleContext != null) {
         oldAccessibleName = super.accessibleContext.getAccessibleName();
      }

      String oldValue = this.text;
      this.text = text;
      ((JComponent)this).firePropertyChange("text", oldValue, text);
      if (super.accessibleContext != null && super.accessibleContext.getAccessibleName() != oldAccessibleName) {
         super.accessibleContext.firePropertyChange("AccessibleVisibleData", oldAccessibleName, super.accessibleContext.getAccessibleName());
      }

      ((Component)this).repaint();
   }

   public void setUI(LabelUI ui) {
      super.setUI(ui);
   }

   public void setVerticalAlignment(int alignment) {
      if (alignment != this.verticalAlignment) {
         int oldValue = this.verticalAlignment;
         this.verticalAlignment = this.checkVerticalKey(alignment, "verticalAlignment");
         ((JComponent)this).firePropertyChange("verticalAlignment", oldValue, this.verticalAlignment);
         ((Component)this).repaint(10L);
      }
   }

   public void setVerticalTextPosition(int textPosition) {
      if (textPosition != this.verticalTextPosition) {
         int oldValue = this.verticalTextPosition;
         this.verticalTextPosition = this.checkVerticalKey(textPosition, "verticalTextPosition");
         ((JComponent)this).firePropertyChange("verticalTextPosition", oldValue, this.verticalTextPosition);
         ((Component)this).repaint(10L);
      }
   }

   public void updateUI() {
      this.setUI((LabelUI)UIManager.getUI(this));
      ((Container)this).invalidate();
   }
}