Symantec Visual Cafe for Java 2.5/symantec-visual-cafe-2.5-database-dev-edition.iso/VCafe/main.bin/BaseTabbedPanel.class

Java Class File | 1997-08-04 | 12.3 KB | 688 lines

package symantec.itools.awt;

import java.awt.Canvas;
import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Event;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Insets;
import java.awt.LayoutManager;
import java.awt.Panel;
import java.awt.Polygon;
import java.awt.Rectangle;
import java.util.Vector;

public abstract strictfp class BaseTabbedPanel extends Panel {
   public static final int TOP = 0;
   public static final int BOTTOM = 1;
   public static final int ROUNDED = 0;
   public static final int SQUARE = 1;
   private int TF_LEFT;
   private int TF_RIGHT;
   private int TF_TOP;
   private int TF_BOTTOM;
   private int TF_BTN_HEIGHT;
   private Vector vLabels;
   private Vector vEnabled;
   private Vector vPolys;
   protected int curIndex;
   private Font fReg;
   private Font fSel;
   private Component userPanel;
   private int iTabsPosition;
   private int iTabsStyle;
   private int osAdjustment;
   private int firstVisibleTab;
   private DirectionButton dbLeft;
   private DirectionButton dbRight;
   private Polygon nullPoly;
   private int lastWidth;
   private Insets btpInsets;

   public BaseTabbedPanel() {
      this(0, 0);
   }

   public BaseTabbedPanel(boolean bTabsOnTop) {
      this(bTabsOnTop ? 0 : 1, bTabsOnTop ? 0 : 1);
   }

   public BaseTabbedPanel(int tabsPostion, int tabsStyle) {
      this.TF_LEFT = 9;
      this.TF_RIGHT = -9;
      this.TF_TOP = 30;
      this.TF_BOTTOM = -9;
      this.TF_BTN_HEIGHT = 20;
      this.curIndex = -1;
      this.iTabsPosition = 0;
      this.iTabsStyle = 0;
      this.lastWidth = -1;
      this.vLabels = new Vector();
      this.vEnabled = new Vector();
      this.vPolys = new Vector();
      this.btpInsets = new Insets(0, 0, 0, 0);
      this.setTabsInfo(tabsPostion, tabsStyle);
      this.fReg = new Font("Helvetica", 0, 12);
      this.fSel = new Font("Helvetica", 1, 12);
      if (System.getProperty("os.name").startsWith("S")) {
         this.osAdjustment = -1;
      } else {
         this.osAdjustment = 0;
      }

      super.setLayout((LayoutManager)null);
      this.dbLeft = new DirectionButton(0);
      this.dbRight = new DirectionButton(1);
      this.dbLeft.setShowFocus(false);
      this.dbRight.setShowFocus(false);
      this.dbLeft.shrinkTriangle(1, 1, 0, 1);
      this.dbRight.shrinkTriangle(1, 1, 0, 1);
      super.add(this.dbLeft, -1);
      super.add(this.dbRight, -1);
      this.nullPoly = new Polygon();
      this.nullPoly.addPoint(0, 0);
      this.nullPoly.addPoint(1, 1);
      this.nullPoly.addPoint(0, 0);
   }

   public void setTabsPosition(int tabsPosition) {
      if (this.iTabsPosition != tabsPosition) {
         this.setTabsInfo(tabsPosition, this.iTabsStyle);
      }

   }

   public int getTabsPosition() {
      return this.iTabsPosition;
   }

   public void setTabsStyle(int tabsStyle) {
      if (this.iTabsStyle != tabsStyle) {
         this.setTabsInfo(this.iTabsPosition, tabsStyle);
      }

   }

   public int getTabsStyle() {
      return this.iTabsStyle;
   }

   public void setTabsInfo(int tabsPosition, int tabsStyle) {
      this.iTabsPosition = tabsPosition;
      if (this.iTabsPosition == 0) {
         this.iTabsStyle = 0;
      } else {
         this.iTabsStyle = tabsStyle;
      }

      if (this.iTabsStyle == 0) {
         this.TF_BTN_HEIGHT = 20;
      } else {
         this.TF_BTN_HEIGHT = 17;
      }

      ((Component)this).repaint();
   }

   public void setPanel(Component p) {
      this.removeAll();
      this.userPanel = p;
      if (this.userPanel != null) {
         super.add(this.userPanel, -1);
         this.userPanel.requestFocus();
      }

   }

   public void showPanel(Component p) {
      if (this.userPanel != null) {
         this.userPanel.hide();
      }

      this.userPanel = p;
      if (this.userPanel != null) {
         Component[] comps = ((Container)this).getComponents();
         int l = comps.length;

         int x;
         for(x = 0; x < l && comps[x] != this.userPanel; ++x) {
         }

         if (x == l) {
            super.add(this.userPanel, -1);
         }

         this.userPanel.show();
         this.userPanel.requestFocus();
         ((Container)this).validate();
         ((Component)this).repaint();
      }

   }

   public int addTab(String sLabel, boolean bEnabled) {
      this.vLabels.addElement(sLabel);
      this.vEnabled.addElement(new Boolean(bEnabled));
      int index = this.vLabels.size() - 1;
      if (this.curIndex == -1 && bEnabled) {
         this.showTab(index);
      }

      return index;
   }

   public synchronized void setTab(String sLabel, boolean bEnabled, int index) {
      if (index >= 0 && index < this.vLabels.size()) {
         if (index != this.curIndex || bEnabled) {
            try {
               this.vLabels.setElementAt(sLabel, index);
               this.vEnabled.setElementAt(new Boolean(bEnabled), index);
               ((Component)this).repaint();
            } catch (ArrayIndexOutOfBoundsException var4) {
            }
         }
      }
   }

   public synchronized void setLabel(String sLabel, int index) {
      if (index >= 0 && index < this.vLabels.size()) {
         try {
            this.vLabels.setElementAt(sLabel, index);
            ((Component)this).repaint();
         } catch (ArrayIndexOutOfBoundsException var3) {
         }
      }
   }

   public synchronized String getLabel(int index) {
      if (index >= 0 && index < this.vLabels.size()) {
         try {
            return (String)this.vLabels.elementAt(index);
         } catch (ArrayIndexOutOfBoundsException var2) {
            return "";
         }
      } else {
         return "";
      }
   }

   public synchronized void setEnabled(boolean bEnabled, int index) {
      if (index >= 0 && index < this.vLabels.size()) {
         if (index != this.curIndex || bEnabled) {
            try {
               this.vEnabled.setElementAt(new Boolean(bEnabled), index);
               ((Component)this).repaint();
            } catch (ArrayIndexOutOfBoundsException var3) {
            }
         }
      }
   }

   public void showTab(int index) {
      if (index >= 0 && index < this.vLabels.size() && index != this.curIndex) {
         if (this.tabIsEnabled(index)) {
            this.curIndex = index;
            ((Container)this).invalidate();
            ((Container)this).validate();
            ((Component)this).repaint();
            ((Component)this).postEvent(new Event(this, 1001, (Object)null));
         }

      }
   }

   public boolean tabIsEnabled(int index) {
      if (index >= 0 && index < this.vLabels.size()) {
         try {
            Boolean bool = (Boolean)this.vEnabled.elementAt(index);
            if (bool) {
               return true;
            }
         } catch (ArrayIndexOutOfBoundsException var3) {
         }

         return false;
      } else {
         return false;
      }
   }

   public int currentTabIndex() {
      return this.curIndex;
   }

   public void enableTab(boolean bEnable, int index) {
      if (index >= 0 && index < this.vEnabled.size() && index != this.curIndex) {
         try {
            this.vEnabled.setElementAt(new Boolean(bEnable), index);
            ((Component)this).repaint();
         } catch (ArrayIndexOutOfBoundsException var3) {
         }
      }
   }

   public void removeTab(int index) {
      if (index >= 0 && index < this.vEnabled.size() && index != this.curIndex) {
         try {
            this.vLabels.removeElementAt(index);
            this.vEnabled.removeElementAt(index);
            ((Component)this).repaint();
         } catch (ArrayIndexOutOfBoundsException var2) {
         }
      }
   }

   public void removeAllTabs() {
      this.vLabels = new Vector();
      this.vEnabled = new Vector();
      this.vPolys = new Vector();
      this.curIndex = -1;
      this.firstVisibleTab = 0;
      this.lastWidth = -1;
      this.removeAll();
      ((Component)this).repaint();
   }

   public void layout() {
      Rectangle r = ((Component)this).bounds();
      int width = r.width - this.TF_LEFT + this.TF_RIGHT;
      if (width >= 0) {
         int height = r.height - this.TF_TOP + this.TF_BOTTOM;
         if (height >= 0) {
            int col = this.TF_LEFT;
            int row = 0;
            if (this.iTabsPosition == 0) {
               row = this.TF_TOP;
            } else {
               row = this.TF_TOP - this.TF_BTN_HEIGHT;
            }

            if (this.userPanel != null) {
               this.userPanel.reshape(col + 3, row + 3, width - 6, height - 5);
               this.userPanel.invalidate();
               this.userPanel.validate();
               if (this.userPanel instanceof Canvas || this.userPanel instanceof Panel) {
                  this.userPanel.repaint();
                  return;
               }

               ((Component)this).repaint();
            }

         }
      }
   }

   public synchronized void paint(Graphics g) {
      Rectangle r = ((Component)this).bounds();
      int width = r.width - this.TF_LEFT + this.TF_RIGHT;
      if (width >= 0) {
         int height = r.height - this.TF_TOP + this.TF_BOTTOM;
         if (height >= 0) {
            if (r.width > this.lastWidth) {
               this.firstVisibleTab = 0;
            }

            this.lastWidth = r.width;
            int col = this.TF_LEFT;
            Color c = g.getColor();
            g.setColor(((Component)this).getBackground());
            g.fillRect(0, 0, r.width, r.height);
            int row;
            if (this.iTabsPosition == 0) {
               row = this.TF_TOP;
            } else {
               row = this.TF_TOP - this.TF_BTN_HEIGHT;
            }

            g.setColor(Color.white);
            g.drawLine(col, row, col + width - 1, row);
            g.drawLine(col, row, col, row + height - 1);
            g.setColor(Color.gray);
            g.drawLine(col + 2, row + height - 2, col + width - 2, row + height - 2);
            g.drawLine(col + width - 2, row + 2, col + width - 2, row + height - 2);
            g.setColor(Color.black);
            g.drawLine(col + 1, row + height - 1, col + width - 1, row + height - 1);
            g.drawLine(col + width - 1, row + 1, col + width - 1, row + height - 1);
            int x2 = this.TF_LEFT + 8;
            int x3 = 0;
            int x4 = this.TF_LEFT;
            int sze = this.vLabels.size();
            this.vPolys.removeAllElements();
            Font f = g.getFont();
            FontMetrics fm = ((Component)this).getFontMetrics(this.fReg);
            FontMetrics fms = ((Component)this).getFontMetrics(this.fSel);
            int labelWidth = 0;

            int w;
            for(w = 0; w < this.firstVisibleTab; ++w) {
               this.vPolys.addElement(this.nullPoly);
            }

            if (w > 0) {
               x4 += 2;
            }

            for(; w < sze; ++w) {
               Polygon p = new Polygon();

               try {
                  String sLabel = (String)this.vLabels.elementAt(w);
                  if (w == this.curIndex) {
                     labelWidth = fms.stringWidth(sLabel);
                  } else {
                     labelWidth = fm.stringWidth(sLabel);
                  }

                  int y1;
                  int y2;
                  if (this.iTabsPosition == 0) {
                     y1 = this.TF_TOP - this.TF_BTN_HEIGHT;
                     y2 = this.TF_TOP - 1;
                  } else {
                     y1 = r.height + this.TF_BOTTOM + 1;
                     y2 = r.height + this.TF_BOTTOM - this.TF_BTN_HEIGHT;
                  }

                  int x1;
                  if (this.iTabsStyle == 0) {
                     x1 = x4 + 2;
                     x2 = x1 + labelWidth + 13;
                  } else {
                     x1 = x2 - 7;
                     x2 = x1 + labelWidth + 28;
                  }

                  if (x2 + 36 - this.TF_RIGHT > r.width) {
                     break;
                  }

                  if (this.iTabsPosition == 0) {
                     if (w == this.curIndex) {
                        y1 -= 3;
                        x1 -= 2;
                     }

                     g.setColor(Color.white);
                     if (this.curIndex == w + 1) {
                        g.drawLine(x1 + 2, y1, x2 - 2, y1);
                     } else {
                        g.drawLine(x1 + 2, y1, x2, y1);
                     }

                     if (this.curIndex != w - 1) {
                        g.drawLine(x1, y1 + 2, x1, y2);
                        x3 = x1;
                     } else {
                        x3 = x1 + 1;
                     }

                     g.drawLine(x1 + 1, y1 + 1, x1 + 1, y1 + 1);
                     if (this.curIndex != w + 1) {
                        g.setColor(Color.gray);
                        g.drawLine(x2, y1, x2, y2);
                        g.setColor(Color.black);
                        g.drawLine(x2 + 1, y1 + 2, x2 + 1, y2);
                        x4 = x2;
                     } else {
                        x4 = x2 - 1;
                     }
                  } else if (this.iTabsStyle != 1) {
                     if (w == this.curIndex) {
                        y1 += 3;
                        x1 -= 2;
                     }

                     g.setColor(Color.white);
                     if (this.curIndex == w + 1) {
                        g.drawLine(x1 + 2, y1, x2 - 2, y1);
                     } else {
                        g.drawLine(x1 + 2, y1, x2, y1);
                     }

                     if (this.curIndex != w - 1) {
                        g.drawLine(x1, y1 - 2, x1, y2);
                        x3 = x1;
                     } else {
                        x3 = x1 + 1;
                     }

                     g.drawLine(x1 + 1, y1 - 1, x1 + 1, y1 - 1);
                     if (this.curIndex != w + 1) {
                        g.setColor(Color.gray);
                        g.drawLine(x2, y1, x2, y2);
                        g.setColor(Color.black);
                        g.drawLine(x2 + 1, y1 - 2, x2 + 1, y2);
                        x4 = x2;
                     } else {
                        x4 = x2 - 1;
                     }
                  } else {
                     g.setColor(Color.gray);
                     g.drawLine(x1 + 9, y1, x2 - 9, y1);
                     g.setColor(Color.black);
                     if (w != 0 && w != this.curIndex) {
                        g.drawLine(x1 + 4, y1 - 9, x1 + 9, y1);
                        p.addPoint(x1 + 9, y2);
                        p.addPoint(x1 + 4, y1 - 9);
                     } else {
                        g.drawLine(x1, y2, x1 + 9, y1);
                        p.addPoint(x1, y2);
                     }

                     p.addPoint(x1 + 9, y1);
                     p.addPoint(x2 - 9, y1);
                     if (w + 1 == this.curIndex) {
                        g.drawLine(x2 - 5, y1 - 9, x2 - 9, y1);
                        p.addPoint(x2 - 5, y1);
                        p.addPoint(x2 - 9, y2);
                     } else {
                        g.drawLine(x2, y2, x2 - 9, y1);
                        p.addPoint(x2, y2);
                     }

                     if (w != 1 && w != this.curIndex) {
                        p.addPoint(x1 + 9, y2);
                     } else {
                        p.addPoint(x1, y2);
                     }
                  }

                  if (w == this.curIndex) {
                     if (this.iTabsPosition == 0) {
                        ++y2;
                     } else {
                        --y2;
                     }

                     g.setColor(((Component)this).getBackground());
                     g.drawLine(x1 + 1, y2, x2, y2);
                     if (this.iTabsPosition == 1) {
                        g.drawLine(x1 + 1, y2 - 1, x2, y2 - 1);
                     }

                     g.setFont(this.fSel);
                  } else {
                     g.setFont(this.fReg);
                  }

                  if (this.iTabsStyle == 0) {
                     p.addPoint(x3, y2);
                     p.addPoint(x4, y2);
                     p.addPoint(x4, y1);
                     p.addPoint(x3, y1);
                     p.addPoint(x3, y2);
                  }

                  this.vPolys.addElement(p);
                  Boolean bool = (Boolean)this.vEnabled.elementAt(w);
                  if (bool) {
                     g.setColor(Color.black);
                  } else {
                     g.setColor(Color.gray);
                  }

                  if (this.iTabsPosition == 0) {
                     g.drawString(sLabel, x1 + 8, y1 + 15 + this.osAdjustment);
                  } else if (this.iTabsStyle == 0) {
                     g.drawString(sLabel, x1 + 8, y1 - 6 + this.osAdjustment);
                  } else {
                     g.drawString(sLabel, x1 + 14, y1 - 4 + this.osAdjustment);
                  }
               } catch (ArrayIndexOutOfBoundsException var23) {
               }
            }

            if (this.firstVisibleTab <= 0 && w >= sze) {
               this.dbLeft.hide();
               this.dbRight.hide();
            } else {
               this.dbLeft.show();
               this.dbRight.show();
               if (this.firstVisibleTab > 0) {
                  this.dbLeft.enable();
               } else {
                  this.dbLeft.disable();
               }

               if (w < sze) {
                  this.dbRight.enable();
               } else {
                  this.dbRight.disable();
               }

               if (this.iTabsPosition == 0) {
                  this.dbLeft.reshape(r.width - 33 + this.TF_RIGHT, this.TF_TOP - 16, 16, 15);
                  this.dbRight.reshape(r.width - 16 + this.TF_RIGHT, this.TF_TOP - 16, 16, 15);
               } else {
                  this.dbLeft.reshape(r.width - 33 + this.TF_RIGHT, r.height + this.TF_BOTTOM - this.TF_BTN_HEIGHT, 16, 15);
                  this.dbRight.reshape(r.width - 16 + this.TF_RIGHT, r.height + this.TF_BOTTOM - this.TF_BTN_HEIGHT, 16, 15);
               }
            }

            while(w < sze) {
               this.vPolys.addElement(this.nullPoly);
               ++w;
            }

            g.setFont(f);
            g.setColor(c);
         }
      }
   }

   public boolean handleEvent(Event evt) {
      switch (evt.id) {
         case 501:
            int sizeR = this.vPolys.size();

            for(int x = 0; x < sizeR; ++x) {
               try {
                  Polygon p = (Polygon)this.vPolys.elementAt(x);
                  if (p != this.nullPoly && p.inside(evt.x, evt.y)) {
                     this.showTab(x);
                     return true;
                  }
               } catch (ArrayIndexOutOfBoundsException var5) {
               }
            }
            break;
         case 1001:
            if (evt.target == this.dbLeft) {
               if (--this.firstVisibleTab < 0) {
                  this.firstVisibleTab = 0;
               } else {
                  ((Component)this).repaint();
               }

               return true;
            }

            if (evt.target == this.dbRight) {
               int sze = this.vLabels.size();
               if (++this.firstVisibleTab == sze) {
                  --this.firstVisibleTab;
               } else {
                  ((Component)this).repaint();
               }

               return true;
            }
      }

      return super.handleEvent(evt);
   }

   public Component add(Component comp) {
      return comp;
   }

   public synchronized Component add(Component comp, int pos) {
      return comp;
   }

   public synchronized Component add(String name, Component comp) {
      return comp;
   }

   public synchronized void remove(Component comp) {
      if (comp != this.dbLeft && comp != this.dbRight) {
         super.remove(comp);
         if (comp == this.userPanel) {
            this.userPanel = null;
         }

      }
   }

   public synchronized void removeAll() {
      super.removeAll();
      super.add(this.dbLeft, -1);
      super.add(this.dbRight, -1);
      this.userPanel = null;
   }

   public void setLayout(LayoutManager mgr) {
   }

   public Insets insets() {
      this.btpInsets = super.insets();
      Insets var10000 = this.btpInsets;
      var10000.left += this.TF_LEFT + 3;
      var10000 = this.btpInsets;
      var10000.right += 6 - this.TF_RIGHT;
      if (this.iTabsPosition == 0) {
         var10000 = this.btpInsets;
         var10000.top += this.TF_TOP + 3;
         var10000 = this.btpInsets;
         var10000.bottom += 5 - this.TF_BOTTOM;
      } else {
         var10000 = this.btpInsets;
         var10000.top += this.TF_TOP - this.TF_BTN_HEIGHT + 3;
         var10000 = this.btpInsets;
         var10000.bottom += this.TF_BTN_HEIGHT + 5 - this.TF_BOTTOM;
      }

      return this.btpInsets;
   }

   public Dimension preferredSize() {
      Dimension s = ((Component)this).size();
      Dimension m = this.minimumSize();
      return new Dimension(Math.max(s.width, m.width), Math.max(s.height, m.height));
   }

   public Dimension minimumSize() {
      if (this.userPanel != null) {
         Dimension s = this.userPanel.minimumSize();
         return new Dimension(s.width + this.btpInsets.left + this.btpInsets.right, s.height + this.btpInsets.top + this.btpInsets.bottom);
      } else {
         return new Dimension(100, 100);
      }
   }
}