S283 Planetary Science &n…he Search for Life DVD 2/DVD-ROM.iso/install/jre1_3/lib/rt.jar/javax/swing/text/PlainDocument.class

Java Class File | 1979-12-31 | 4.1 KB | 170 lines

package javax.swing.text;

import java.util.Vector;

public class PlainDocument extends AbstractDocument {
   public static final String tabSizeAttribute = "tabSize";
   public static final String lineLimitAttribute = "lineLimit";
   private AbstractDocument.AbstractElement defaultRoot;
   private Vector added;
   private Vector removed;

   public PlainDocument() {
      this(new GapContent());
   }

   protected PlainDocument(AbstractDocument.Content var1) {
      super(var1);
      this.added = new Vector();
      this.removed = new Vector();
      ((AbstractDocument)this).putProperty("tabSize", new Integer(8));
      this.defaultRoot = this.createDefaultRoot();
   }

   public Element getDefaultRootElement() {
      return this.defaultRoot;
   }

   protected AbstractDocument.AbstractElement createDefaultRoot() {
      AbstractDocument.BranchElement var1 = (AbstractDocument.BranchElement)((AbstractDocument)this).createBranchElement((Element)null, (AttributeSet)null);
      Element var2 = ((AbstractDocument)this).createLeafElement(var1, (AttributeSet)null, 0, 1);
      Element[] var3 = new Element[]{var2};
      var1.replace(0, 0, var3);
      return var1;
   }

   public Element getParagraphElement(int var1) {
      Element var2 = this.getDefaultRootElement();
      return var2.getElement(var2.getElementIndex(var1));
   }

   protected void insertUpdate(AbstractDocument.DefaultDocumentEvent var1, AttributeSet var2) {
      this.removed.removeAllElements();
      this.added.removeAllElements();
      AbstractDocument.BranchElement var3 = (AbstractDocument.BranchElement)this.getDefaultRootElement();
      int var4 = var1.getOffset();
      int var5 = var1.getLength();
      if (var4 > 0) {
         --var4;
         ++var5;
      }

      int var6 = var3.getElementIndex(var4);
      Element var7 = var3.getElement(var6);
      int var8 = var7.getStartOffset();
      int var9 = var7.getEndOffset();
      int var10 = var8;

      try {
         String var11 = ((AbstractDocument)this).getText(var4, var5);
         boolean var12 = false;

         for(int var13 = 0; var13 < var5; ++var13) {
            char var14 = var11.charAt(var13);
            if (var14 == '\n') {
               int var15 = var4 + var13 + 1;
               this.added.addElement(((AbstractDocument)this).createLeafElement(var3, (AttributeSet)null, var10, var15));
               var10 = var15;
               var12 = true;
            }
         }

         if (var12) {
            int var19 = 1;
            this.removed.addElement(var7);
            if (var4 + var5 == var9 && var10 != var9 && var6 + 1 < var3.getElementCount()) {
               ++var19;
               Element var21 = var3.getElement(var6 + 1);
               this.removed.addElement(var21);
               var9 = var21.getEndOffset();
            }

            if (var10 < var9) {
               this.added.addElement(((AbstractDocument)this).createLeafElement(var3, (AttributeSet)null, var10, var9));
            }

            Element[] var22 = new Element[this.added.size()];
            this.added.copyInto(var22);
            Element[] var16 = new Element[this.removed.size()];
            this.removed.copyInto(var16);
            AbstractDocument.ElementEdit var17 = new AbstractDocument.ElementEdit(var3, var6, var16, var22);
            var1.addEdit(var17);
            var3.replace(var6, var16.length, var22);
         }

         if (Utilities.isComposedTextAttributeDefined(var2)) {
            this.insertComposedTextUpdate(var1, var2);
         }
      } catch (BadLocationException var18) {
         throw new Error("Internal error: " + ((Throwable)var18).toString());
      }

      super.insertUpdate(var1, var2);
   }

   protected void removeUpdate(AbstractDocument.DefaultDocumentEvent var1) {
      this.removed.removeAllElements();
      AbstractDocument.BranchElement var2 = (AbstractDocument.BranchElement)this.getDefaultRootElement();
      int var3 = var1.getOffset();
      int var4 = var1.getLength();
      int var5 = var2.getElementIndex(var3);
      int var6 = var2.getElementIndex(var3 + var4);
      if (var5 != var6) {
         for(int var7 = var5; var7 <= var6; ++var7) {
            this.removed.addElement(var2.getElement(var7));
         }

         int var8 = var2.getElement(var5).getStartOffset();
         int var9 = var2.getElement(var6).getEndOffset();
         Element[] var10 = new Element[]{((AbstractDocument)this).createLeafElement(var2, (AttributeSet)null, var8, var9)};
         Element[] var11 = new Element[this.removed.size()];
         this.removed.copyInto(var11);
         AbstractDocument.ElementEdit var12 = new AbstractDocument.ElementEdit(var2, var5, var11, var10);
         var1.addEdit(var12);
         var2.replace(var5, var11.length, var10);
      } else {
         Element var13 = var2.getElement(var5);
         if (!var13.isLeaf()) {
            Element var14 = var13.getElement(var13.getElementIndex(var3));
            if (Utilities.isComposedTextElement(var14)) {
               Element[] var15 = new Element[]{((AbstractDocument)this).createLeafElement(var2, (AttributeSet)null, var13.getStartOffset(), var13.getEndOffset())};
               Element[] var16 = new Element[]{var13};
               AbstractDocument.ElementEdit var17 = new AbstractDocument.ElementEdit(var2, var5, var16, var15);
               var1.addEdit(var17);
               var2.replace(var5, 1, var15);
            }
         }
      }

      super.removeUpdate(var1);
   }

   private void insertComposedTextUpdate(AbstractDocument.DefaultDocumentEvent var1, AttributeSet var2) {
      this.added.removeAllElements();
      AbstractDocument.BranchElement var3 = (AbstractDocument.BranchElement)this.getDefaultRootElement();
      int var4 = var1.getOffset();
      int var5 = var1.getLength();
      int var6 = var3.getElementIndex(var4);
      Element var7 = var3.getElement(var6);
      int var8 = var7.getStartOffset();
      int var9 = var7.getEndOffset();
      AbstractDocument.BranchElement[] var10 = new AbstractDocument.BranchElement[]{(AbstractDocument.BranchElement)((AbstractDocument)this).createBranchElement(var3, (AttributeSet)null)};
      Element[] var11 = new Element[]{var7};
      if (var8 != var4) {
         this.added.addElement(((AbstractDocument)this).createLeafElement(var10[0], (AttributeSet)null, var8, var4));
      }

      this.added.addElement(((AbstractDocument)this).createLeafElement(var10[0], var2, var4, var4 + var5));
      if (var9 != var4 + var5) {
         this.added.addElement(((AbstractDocument)this).createLeafElement(var10[0], (AttributeSet)null, var4 + var5, var9));
      }

      Element[] var12 = new Element[this.added.size()];
      this.added.copyInto(var12);
      AbstractDocument.ElementEdit var13 = new AbstractDocument.ElementEdit(var3, var6, var11, var10);
      var1.addEdit(var13);
      var10[0].replace(0, 0, var12);
      var3.replace(var6, 1, var10);
   }
}