PC Plus SuperCD (UK) 1998 August/PC Plus SuperCD 50a Issue 142 (CD142a) (August 1998).iso/trial/demon/TURNPIKE.1/CLASSES.ZIP/JAVA/AWT/List.class

Java Class File | 1997-04-14 | 3.4 KB | 249 lines

package java.awt;

import java.awt.peer.ListPeer;
import java.util.Vector;

public class List extends Component {
   Vector items;
   int rows;
   boolean multipleSelections;
   int[] selected;
   int visibleIndex;

   public List() {
      this(0, false);
   }

   public List(int var1, boolean var2) {
      this.items = new Vector();
      this.multipleSelections = false;
      this.selected = new int[0];
      this.visibleIndex = -1;
      this.rows = var1;
      this.multipleSelections = var2;
   }

   public synchronized void addNotify() {
      super.peer = ((Component)this).getToolkit().createList(this);
      super.addNotify();
      this.visibleIndex = -1;
   }

   public synchronized void removeNotify() {
      if (super.peer != null) {
         ListPeer var1 = (ListPeer)super.peer;
         this.selected = var1.getSelectedIndexes();
      }

      super.removeNotify();
   }

   public int countItems() {
      Vector var1 = this.items;
      return var1.elementCount;
   }

   public String getItem(int var1) {
      return (String)this.items.elementAt(var1);
   }

   public synchronized void addItem(String var1) {
      this.addItem(var1, -1);
   }

   public synchronized void addItem(String var1, int var2) {
      label20: {
         if (var2 >= -1) {
            Vector var3 = this.items;
            if (var2 < var3.elementCount) {
               break label20;
            }
         }

         var2 = -1;
      }

      if (var2 == -1) {
         this.items.addElement(var1);
      } else {
         this.items.insertElementAt(var1, var2);
      }

      ListPeer var4 = (ListPeer)super.peer;
      if (var4 != null) {
         var4.addItem(var1, var2);
      }

   }

   public synchronized void replaceItem(String var1, int var2) {
      this.delItem(var2);
      this.addItem(var1, var2);
   }

   public synchronized void clear() {
      if (super.peer != null) {
         ((ListPeer)super.peer).clear();
      }

      this.items = new Vector();
      this.selected = new int[0];
   }

   public synchronized void delItem(int var1) {
      this.delItems(var1, var1);
   }

   public synchronized void delItems(int var1, int var2) {
      for(int var3 = var2; var3 >= var1; --var3) {
         this.items.removeElementAt(var3);
      }

      if (super.peer != null) {
         ((ListPeer)super.peer).delItems(var1, var2);
      }

   }

   public synchronized int getSelectedIndex() {
      int[] var1 = this.getSelectedIndexes();
      return var1.length == 1 ? var1[0] : -1;
   }

   public synchronized int[] getSelectedIndexes() {
      ListPeer var1 = (ListPeer)super.peer;
      if (var1 != null) {
         this.selected = var1.getSelectedIndexes();
      }

      return this.selected;
   }

   public synchronized String getSelectedItem() {
      int var1 = this.getSelectedIndex();
      return var1 < 0 ? null : this.getItem(var1);
   }

   public synchronized String[] getSelectedItems() {
      int[] var1 = this.getSelectedIndexes();
      String[] var2 = new String[var1.length];

      for(int var3 = 0; var3 < var1.length; ++var3) {
         var2[var3] = this.getItem(var1[var3]);
      }

      return var2;
   }

   public synchronized void select(int var1) {
      ListPeer var2 = (ListPeer)super.peer;
      if (var2 != null) {
         var2.select(var1);
      } else {
         for(int var3 = 0; var3 < this.selected.length; ++var3) {
            if (this.selected[var3] == var1) {
               return;
            }
         }

         if (!this.multipleSelections) {
            this.selected = new int[1];
            this.selected[0] = var1;
         } else {
            int[] var4 = new int[this.selected.length + 1];
            System.arraycopy(this.selected, 0, var4, 0, this.selected.length);
            var4[this.selected.length] = var1;
            this.selected = var4;
         }
      }
   }

   public synchronized void deselect(int var1) {
      ListPeer var2 = (ListPeer)super.peer;
      if (var2 != null) {
         var2.deselect(var1);
      }

      for(int var3 = 0; var3 < this.selected.length; ++var3) {
         if (this.selected[var3] == var1) {
            int[] var4 = new int[this.selected.length - 1];
            System.arraycopy(this.selected, 0, var4, 0, var3);
            System.arraycopy(this.selected, var3 + 1, var4, var3, this.selected.length - (var3 + 1));
            this.selected = var4;
            return;
         }
      }

   }

   public synchronized boolean isSelected(int var1) {
      int[] var2 = this.getSelectedIndexes();

      for(int var3 = 0; var3 < var2.length; ++var3) {
         if (var2[var3] == var1) {
            return true;
         }
      }

      return false;
   }

   public int getRows() {
      return this.rows;
   }

   public boolean allowsMultipleSelections() {
      return this.multipleSelections;
   }

   public void setMultipleSelections(boolean var1) {
      if (var1 != this.multipleSelections) {
         this.multipleSelections = var1;
         ListPeer var2 = (ListPeer)super.peer;
         if (var2 != null) {
            var2.setMultipleSelections(var1);
         }
      }

   }

   public int getVisibleIndex() {
      return this.visibleIndex;
   }

   public void makeVisible(int var1) {
      ListPeer var2 = (ListPeer)super.peer;
      this.visibleIndex = var1;
      if (var2 != null) {
         var2.makeVisible(var1);
      }

   }

   public Dimension preferredSize(int var1) {
      ListPeer var2 = (ListPeer)super.peer;
      return var2 != null ? var2.preferredSize(var1) : super.preferredSize();
   }

   public Dimension preferredSize() {
      return this.rows > 0 ? this.preferredSize(this.rows) : super.preferredSize();
   }

   public Dimension minimumSize(int var1) {
      ListPeer var2 = (ListPeer)super.peer;
      return var2 != null ? var2.minimumSize(var1) : super.minimumSize();
   }

   public Dimension minimumSize() {
      return this.rows > 0 ? this.minimumSize(this.rows) : super.minimumSize();
   }

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

   boolean tabbable() {
      return true;
   }
}