Symantec Visual Cafe for Java 2.5/symantec-visual-cafe-2.5-database-dev-edition.iso/VCafe/JCLASS.BIN/KLG.JAR/jclass/bwt/TextLine.class

Java Class File | 1997-12-05 | 3.7 KB | 174 lines

package jclass.bwt;

import java.awt.Color;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Rectangle;

class TextLine {
   JCTextAreaComponent comp;
   char[] text;
   int row;
   int start_pos;
   int num_char;
   int width;

   TextLine(JCTextAreaComponent var1, int var2, String var3) {
      this.text = new char[0];
      this.comp = var1;
      this.row = var2;
      this.setText(var3);
   }

   TextLine(JCTextAreaComponent var1, int var2, char[] var3, int var4, int var5) {
      this(var1, var2, new String(var3, var4, var5));
      this.start_pos = var4;
   }

   synchronized void setStartPos(int var1) {
      this.start_pos = var1;
   }

   void calcWidth() {
      this.width = this.comp.fm.charsWidth(this.text, 0, this.num_char);
   }

   synchronized void append(String var1) {
      this.insert(var1, this.num_char);
   }

   synchronized void deleteToEnd(int var1) {
      this.delete(var1, this.num_char);
   }

   synchronized void delete(int var1, int var2) {
      if (var2 > var1) {
         this.width -= this.comp.fm.charsWidth(this.text, var1, var2 - var1);
         System.arraycopy(this.text, var2, this.text, var1, this.num_char - var2);
         this.num_char -= var2 - var1;
      }

   }

   void insert(String var1, int var2) {
      int var3 = var1 != null ? var1.length() : 0;
      if (var3 != 0) {
         if (this.num_char + var3 + var2 >= this.text.length) {
            char[] var4 = new char[Math.max(this.num_char * 2, this.num_char + var2 + var3 + 1)];
            System.arraycopy(this.text, 0, var4, 0, this.num_char);
            this.text = var4;
         }

         if (this.num_char > var2) {
            System.arraycopy(this.text, var2, this.text, var2 + var3, this.num_char - var2);
         }

         var1.getChars(0, var3, this.text, var2);
         this.num_char += var3;
         this.width += this.comp.fm.stringWidth(var1);
      }
   }

   synchronized void replace(String var1, int var2, int var3) {
      this.delete(var2, var3);
      this.insert(var1, var2);
   }

   synchronized void setText(String var1) {
      this.num_char = 0;
      this.insert(var1, 0);
      this.calcWidth();
   }

   int getWidth() {
      return this.width;
   }

   int getWidth(int var1) {
      int var2 = Math.max(0, Math.min(this.num_char, var1 - this.start_pos));
      return this.comp.fm.charsWidth(this.text, 0, var2);
   }

   int getWidthToEnd(int var1) {
      int var2 = var1 - this.start_pos;
      return this.comp.fm.charsWidth(this.text, var2, Math.max(0, this.num_char - var2));
   }

   int xToPosition(int var1) {
      int[] var2 = this.comp.fm.getWidths();
      Rectangle var4 = this.comp.getDrawingArea();
      switch (this.comp.alignment) {
         case 1:
            var1 -= var4.x + (var4.width - this.width) / 2;
            break;
         case 2:
            var1 -= var4.x + var4.width - this.width - this.comp.horiz_origin;
            break;
         default:
            var1 -= var4.x - this.comp.horiz_origin;
      }

      int var3;
      for(var3 = 0; var3 < this.num_char; ++var3) {
         int var5 = var2[this.text[var3]];
         if (var1 < var5 / 2) {
            break;
         }

         var1 -= var5;
      }

      return var3 + this.start_pos;
   }

   synchronized void paint(Graphics var1) {
      Rectangle var2 = this.comp.getDrawingArea();
      var2.reshape(var2.x - this.comp.horiz_origin, var2.y + this.comp.getRowPosition(this.row) - this.comp.vert_origin, var2.width + this.comp.horiz_origin, this.comp.getRowHeight(this.row));
      if (var2.intersects(this.comp.getPaintRect())) {
         FontMetrics var3 = this.comp.fm;
         int var4 = var2.height;
         int var5 = var4 - var3.getAscent();
         int var6 = var2.x;
         int var7 = var2.y + var4 - var5;
         int var8 = this.comp.select_start - this.start_pos;
         int var9 = this.comp.select_end - this.start_pos;
         switch (this.comp.alignment) {
            case 1:
               var6 += (var2.width - this.width) / 2;
               break;
            case 2:
               var6 += var2.width - this.width;
         }

         if (var8 != var9 && var8 < this.num_char && var9 >= 0) {
            var8 = Math.max(var8, 0);
            var9 = Math.min(var9, this.num_char);
            if (var8 > 0) {
               var1.drawChars(this.text, 0, var8, var6, var7);
               var6 += var3.charsWidth(this.text, 0, var8);
            }

            int var10 = var3.charsWidth(this.text, var8, var9 - var8);
            Color var11 = var1.getColor();
            this.comp.setSelectedBg(var1);
            var1.fillRect(var6, var2.y, var10, var2.height);
            this.comp.setSelectedFg(var1);
            var1.drawChars(this.text, var8, var9 - var8, var6, var7);
            var6 += var10;
            var1.setColor(var11);
            if (var9 < this.num_char) {
               var1.drawChars(this.text, var9, this.num_char - var9, var6, var7);
               return;
            }
         } else {
            var1.drawChars(this.text, 0, this.num_char, var6, var7);
         }

      }
   }

   public String toString() {
      return "row=" + this.row + " start=" + this.start_pos + " num_char=" + this.num_char + " width=" + this.width + " text=" + new String(this.text, 0, this.num_char) + "|";
   }
}