Symantec Visual Cafe for Java 2.5/symantec-visual-cafe-2.5-database-dev-edition.iso/Visual Cafe Pro v1.0/TUTORIAL.BIN/VerticalSlider.class

Java Class File | 1996-12-16 | 3.7 KB | 196 lines

package symantec.itools.awt;

import java.awt.Color;
import java.awt.Component;
import java.awt.Event;
import java.awt.Graphics;

public class VerticalSlider extends Slider {
   private static final int BORDER_X = 10;
   private static final int BORDER_Y = 15;
   protected static final int TICK_WIDTH = 4;
   private VerticalSliderTick[] tick;
   private VerticalSliderThumb thumb = new VerticalSliderThumbBoth();

   public VerticalSlider() {
      super.style = 2;
      super.min = 1;
      super.max = 10;
      super.freq = 1;
      super.prevPos = super.curPos = 0;
      super.width = 175;
      super.height = 50;
      super.showBorder = true;
      this.tick = null;
   }

   public void setTickStyle(int var1) {
      super.style = var1;
      switch (var1) {
         case 0:
            this.thumb = new VerticalSliderThumbLeft();
            break;
         case 1:
            this.thumb = new VerticalSliderThumbRight();
            break;
         default:
            this.thumb = new VerticalSliderThumbBoth();
      }

      this.do_reshape(super.width, super.height);
      ((Component)this).invalidate();
   }

   public int getTickStyle() {
      return super.style;
   }

   public boolean mouseDown(Event var1, int var2, int var3) {
      this.moveThumb(var3, true);
      return true;
   }

   public boolean mouseDrag(Event var1, int var2, int var3) {
      this.moveThumb(var3, false);
      return true;
   }

   private void do_reshape(int var1, int var2) {
      int var3 = 10;
      int var4 = 15;
      if (var1 < var3) {
         var3 = var1 / 4;
      }

      if (var2 < var4) {
         var4 = var2 / 4;
      }

      int var5 = var3;
      int var6 = var1 - var3;
      int var7 = var4;
      int var8 = var2 - var4;
      if (var3 == 0) {
         var5 = 1;
      }

      if (var6 == 0) {
         var6 = 1;
      }

      if (var4 == 0) {
         var7 = 1;
      }

      if (var8 == 0) {
         var8 = 1;
      }

      int var9 = (super.max - super.min) / super.freq + 1;
      this.tick = new VerticalSliderTick[var9];
      int var10 = (var8 - var7) / (var9 - 1);

      for(int var12 = 0; var12 < var9; ++var12) {
         int var11 = var12 * var10;
         this.tick[var12] = new VerticalSliderTick(var5, var6, var7 + var11, var11);
      }

      this.thumb.resize(var6 - var5 - 4 - 1, var10 / 2);
   }

   public void reshape(int var1, int var2, int var3, int var4) {
      super.width = var3;
      super.height = var4;
      this.do_reshape(var3, var4);
      super.reshape(var1, var2, var3, var4);
   }

   protected void doMove(int var1, boolean var2) {
      if (this.tick == null) {
         super.prevPos = super.curPos = var1;
      } else {
         if (var1 >= this.tick.length) {
            var1 = this.tick.length - 1;
         }

         if (var1 != super.curPos || var2) {
            super.prevPos = super.curPos;
            super.curPos = var1;
            this.paint(((Component)this).getGraphics());
            ((Component)this).postEvent(new Event(this, 1001, new Integer(super.curPos * super.freq + super.min)));
         }

      }
   }

   private void moveThumb(int var1, boolean var2) {
      if (this.tick.length > 1) {
         int var3 = this.tick[1].y - this.tick[0].y;
         if (var3 == 0) {
            return;
         }

         int var4 = (var1 - this.tick[0].y) / var3;
         if (var4 < 0) {
            var4 = 0;
         }

         if ((var1 - this.tick[0].y) % var3 > var3 / 2) {
            ++var4;
         }

         this.doMove(var4, var2);
      }

   }

   public void paint(Graphics var1) {
      if (this.tick.length != 0) {
         var1.clipRect(0, 0, super.width, super.height);
         this.thumb.draw(var1, this.tick[super.curPos]);
         if (super.prevPos != super.curPos) {
            this.thumb.clip(var1, this.tick[super.prevPos]);
         }

         var1.setColor(Color.lightGray);
         var1.fillRect(0, 0, super.width, super.height);
         var1.setColor(Color.black);
         int var6 = super.width - 1;
         int var7 = super.height - 1;
         if (super.showBorder) {
            var1.drawRect(0, 0, var6, var7);
         }

         for(int var9 = 0; var9 < this.tick.length; ++var9) {
            boolean var8 = var9 == 0 || var9 == this.tick.length - 1;
            VerticalSliderTick var2 = this.tick[var9];
            if (super.style == 0 || super.style == 2) {
               var1.drawLine(var2.x0 + (var8 ? 0 : 1), var2.y, var2.x0 + 4, var2.y);
            }

            if (super.style == 1 || super.style == 2) {
               var1.drawLine(var2.x1 - 4, var2.y, var2.x1 - (var8 ? 0 : 1), var2.y);
            }
         }

         VerticalSliderTick var10 = this.tick[0];
         int var3 = (var10.x1 + var10.x0) / 2;
         int var4 = var10.y - 5;
         int var5 = this.tick[this.tick.length - 1].y + 5;
         var1.drawLine(var3, var4, var3, var5);
         var1.setColor(Color.gray);
         var1.drawLine(var3 - 1, var5 + 1, var3 - 1, var4 - 1);
         var1.drawLine(var3 - 1, var4 - 1, var3 + 1, var4 - 1);
         var1.setColor(Color.lightGray);
         var1.drawLine(var3 + 1, var4, var3 + 1, var5 + 1);
         var1.drawLine(var3 + 1, var5 + 1, var3, var5 + 1);
         var1.setColor(Color.white);
         var1.drawLine(var3 + 2, var4 - 1, var3 + 2, var5 + 2);
         var1.drawLine(var3 + 2, var5 + 2, var3 - 1, var5 + 2);
         var1.clipRect(0, 0, super.width, super.height);
         this.thumb.draw(var1, this.tick[super.curPos]);
         super.prevPos = super.curPos;
      }
   }
}