PC Online 1997 October/PCO1097.ISO/FilesBBS/WIN95/IAVAZIP.EXE/DATA.Z/RootFolder.class

Java Class File | 1997-08-18 | 4.0 KB | 225 lines

package com.sfs.awt.treeview;

import com.sfs.util.Insertionsort;
import com.sfs.util.Sortable;
import java.awt.FontMetrics;
import java.util.Vector;

public class RootFolder extends Folder implements Sortable {
   public Vector Rows;
   // $FF: renamed from: fm java.awt.FontMetrics
   public FontMetrics field_0;
   TreeView View;
   Vector Selection;
   Item caretItem;
   protected Insertionsort Sorter;

   public Item prevVisibleItem(int var1) {
      Item var2 = null;

      do {
         --var1;
         if (var1 <= -1) {
            break;
         }

         var2 = this.getItemAt(var1);
      } while(!var2.isVisible());

      return var1 == -1 ? null : var2;
   }

   public String toString() {
      String var1 = "RootFolder ->\n";

      for(int var2 = 0; var2 < this.Rows.size(); ++var2) {
         Item var3 = (Item)this.Rows.elementAt(var2);
         String var4 = var3.getName();
         int var5 = var3.getSpaces();

         for(var1 = var1 + Integer.toString(var2) + "\t:"; var5-- > 0; var1 = var1 + " ") {
         }

         var1 = var1 + var4 + "\n";
      }

      var1 = var1 + "_________________________________________________\n";
      return var1;
   }

   public Item visibleItemAt(int var1) {
      Item var2 = null;

      while(var1 < this.Rows.size()) {
         var2 = this.getItemAt(var1);
         ++var1;
         if (var2.isVisible()) {
            break;
         }
      }

      return var1 > this.Rows.size() ? null : var2;
   }

   public Item getItemAt(int var1) {
      try {
         return (Item)this.Rows.elementAt(var1);
      } catch (ArrayIndexOutOfBoundsException var2) {
         return null;
      }
   }

   public Item getLastSelectedItem() {
      return this.Selection.size() == 0 ? null : (Item)this.Selection.lastElement();
   }

   public void removeItem(Item var1) {
      this.removeItemAt(this.indexOf(var1));
   }

   public synchronized void setSorter(Sortable var1) {
      this.Sorter = new Insertionsort(var1);
   }

   public void clearSelection() {
      while(this.Selection.size() > 0) {
         ((Item)this.Selection.elementAt(0)).setSelected(false);
      }

   }

   public int indexOf(Item var1) {
      return this.Rows.indexOf(var1);
   }

   public void removeItemAt(int var1) {
      Item var2 = (Item)this.Rows.elementAt(var1);
      int var3 = var2.getSpaces();

      do {
         this.Rows.removeElementAt(var1);
      } while(this.Rows.size() > var1 && ((Item)this.Rows.elementAt(var1)).getSpaces() > var3);

   }

   protected void removeSelectedItem(Item var1) {
      this.Selection.removeElement(var1);
   }

   protected boolean isSelectedItem(Item var1) {
      return this.Selection.contains(var1);
   }

   public Item getCaretItem() {
      return this.caretItem;
   }

   protected void setCaretItem(Item var1) {
      this.caretItem = var1;
   }

   protected void AdjustScrollbars() {
      if (this.field_0 != null) {
         int var1 = 0;
         int var2 = 0;
         Item var3 = this.visibleItemAt(0);
         int var4 = this.indexOf(var3);

         while(true) {
            int var5 = var3.getSpaces() * 17 + 16 + this.field_0.stringWidth(var3.getName());
            if (var5 > var2) {
               var2 = var5;
            }

            ++var1;
            var3 = this.nextVisibleItem(var4);
            if (var3 == null) {
               if (this.View != null) {
                  this.View.setScrollbars(var1, var2 / 17);
               }

               return;
            }

            var4 = this.indexOf(var3);
         }
      }
   }

   public int compare(Object var1, Object var2) {
      return 0;
   }

   public Vector getSelection() {
      return this.Selection;
   }

   public int getHeight() {
      int var1 = 0;
      int var2 = this.Rows.size();

      while(var2-- > 0) {
         if (this.getItemAt(var2).isVisible()) {
            ++var1;
         }
      }

      return var1;
   }

   public RootFolder(TreeView var1, String var2, Object var3) {
      this((TreeView)null, var2, var3, 0);
      this.View = var1;
   }

   RootFolder(TreeView var1, String var2, Object var3, int var4) {
      super((RootFolder)null, (Folder)null, var2, var3, var4);
      this.Rows = new Vector();
      super.Owner = this;
      this.Selection = new Vector();
      ((Folder)this).setOpen(true);
      this.insertItem(this);
      this.Sorter = new Insertionsort(this);
   }

   protected void addSelectedItem(Item var1) {
      this.Selection.addElement(var1);
   }

   public void insertItem(Item var1) {
      Folder var2 = var1.getParent();
      int var3 = 0;
      if (var2 != null) {
         if (var2.Root.size() == 1) {
            var3 = this.indexOf(var2) + 1;
         } else if (var2.Root.indexOf(var1) == var2.Root.size() - 1) {
            var3 = this.indexOf(var2) + var2.size();
            if (var2.size() > 0) {
               for(int var4 = ((Item)var2).getSpaces(); var3 < this.Rows.size() && (this.getItemAt(var3).getSpaces() > var4 || this.getItemAt(var3).getParent() == var2); ++var3) {
               }
            }
         } else {
            var3 = this.indexOf(var2.getItem(var2.Root.indexOf(var1) + 1));
         }
      }

      this.Rows.insertElementAt(var1, var3);
      this.AdjustScrollbars();
   }

   public Item nextVisibleItem(int var1) {
      Item var2 = null;

      do {
         ++var1;
         if (var1 >= this.Rows.size()) {
            break;
         }

         var2 = this.getItemAt(var1);
      } while(!var2.isVisible());

      return var1 == this.Rows.size() ? null : var2;
   }
}