path: root/NET/worlds/console/TreePanel.java

/*     */ package NET.worlds.console;
/*     */ 
/*     */ import java.awt.BorderLayout;
/*     */ import java.awt.Color;
/*     */ import java.awt.Dimension;
/*     */ import java.awt.Event;
/*     */ import java.awt.Font;
/*     */ import java.awt.FontMetrics;
/*     */ import java.awt.Graphics;
/*     */ import java.awt.Point;
/*     */ import java.awt.Rectangle;
/*     */ import java.awt.Scrollbar;
/*     */ import java.util.Vector;
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/*     */ public class TreePanel
/*     */   extends ExposedPanel
/*     */   implements DialogDisabled
/*     */ {
/*     */   private static final long serialVersionUID = -5534860983354876334L;
/*  42 */   private Vector<TreeNode> items = new Vector();
/*     */   private boolean delayRepaints;
/*     */   private boolean needRepaint;
/*     */   private boolean needRecalc;
/*     */   private boolean needMakeVisible;
/*  47 */   private Scrollbar scrollbar = new WiderScrollbar();
/*  48 */   private int scrollPos = 0;
/*     */   private int linesVisible;
/*  50 */   private int selectedIndex = -1;
/*  51 */   private boolean hasFocus = true;
/*  52 */   private Font nFont = new Font(Console.message("TreeFont"), 0, 13);
/*     */   
/*  54 */   private FontMetrics nFontMetrics = getFontMetrics(this.nFont);
/*  55 */   private Font bFont = new Font(Console.message("TreeFont"), 1, 11);
/*     */   
/*  57 */   private FontMetrics bFontMetrics = getFontMetrics(this.bFont);
/*  58 */   private int fontHeight = Math.max(this.nFontMetrics.getHeight(), 
/*  59 */     this.bFontMetrics.getHeight());
/*  60 */   private int itemHeight = this.fontHeight;
/*     */   
/*     */   private boolean isDialogDisabled;
/*  63 */   private static final int[] cxs = { 006 };
/*  64 */   private static final int[] cys = { 6, -6 };
/*  65 */   private MoveablePolygon closedIcon = new MoveablePolygon(cxs, cys);
/*     */   
/*  67 */   private static final int[] oxs = { -5, 6 };
/*  68 */   private static final int[] oys = { 006 };
/*  69 */   private MoveablePolygon openedIcon = new MoveablePolygon(oxs, oys);
/*     */   
/*  71 */   private static final Color normBGColor = new Color(80, 80, 80);
/*  72 */   private static final Color normFGColor = new Color(190, 190, 190);
/*  73 */   private static final Color selFGColor = new Color(255, 255, 175);
/*     */   private static final int indentPixels = 14;
/*     */   
/*     */   public TreePanel() {
/*  77 */     setBackground(normBGColor);
/*  78 */     setLayout(new BorderLayout());
/*  79 */     add("East", this.scrollbar);
/*  80 */     this.scrollbar.setVisible(false);
/*     */   }
/*     */   
/*     */   public synchronized void delayRepaints(boolean state) {
/*  84 */     if (!(this.delayRepaints = state)) {
/*  85 */       if (this.needRecalc)
/*  86 */         recalc();
/*  87 */       if (this.needMakeVisible)
/*  88 */         makeVisible(this.selectedIndex);
/*  89 */       if (this.needRepaint) {
/*  90 */         repaint();
/*     */       }
/*     */     }
/*     */   }
/*     */   
/*     */   private synchronized void needRepaint(boolean needRecalc, boolean needMakeVisible) {
/*  96 */     this.needRepaint = true;
/*  97 */     this.needRecalc |= needRecalc;
/*  98 */     this.needMakeVisible |= needMakeVisible;
/*  99 */     delayRepaints(this.delayRepaints);
/*     */   }
/*     */   
/*     */   public synchronized int getSelectedIndex() {
/* 103 */     return this.selectedIndex;
/*     */   }
/*     */   
/*     */   public synchronized void select(int item) {
/* 107 */     this.selectedIndex = item;
/* 108 */     needRepaint(false, true);
/*     */   }
/*     */   
/*     */   public void setFocus(boolean hasFocus) {
/* 112 */     if (this.hasFocus != hasFocus) {
/* 113 */       this.hasFocus = hasFocus;
/* 114 */       needRepaint(false, false);
/*     */     }
/*     */   }
/*     */   
/*     */   public boolean hasFocus()
/*     */   {
/* 120 */     return this.hasFocus;
/*     */   }
/*     */   
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */   public synchronized void setBounds(int x, int y, int w, int h)
/*     */   {
/* 129 */     super.setBounds(x, y, w, h);
/* 130 */     needRepaint(true, false);
/*     */   }
/*     */   
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/*     */   public synchronized TreeNode getSelectedNode()
/*     */   {
/* 143 */     if (this.selectedIndex != -1)
/* 144 */       return (TreeNode)this.items.elementAt(this.selectedIndex);
/* 145 */     return null;
/*     */   }
/*     */   
/*     */   public synchronized void reset(Vector<TreeNode> items) {
/* 149 */     this.items = items;
/* 150 */     needRepaint(true, false);
/*     */   }
/*     */   
/*     */   public synchronized void removeAllElements() {
/* 154 */     this.items.removeAllElements();
/* 155 */     needRepaint(true, false);
/*     */   }
/*     */   
/*     */   public synchronized void insertElementAt(TreeNode ele, int index) {
/* 159 */     this.items.insertElementAt(ele, index);
/* 160 */     needRepaint(true, false);
/*     */   }
/*     */   
/*     */   public synchronized void removeElementAt(int index) {
/* 164 */     this.items.removeElementAt(index);
/* 165 */     needRepaint(true, false);
/*     */   }
/*     */   
/*     */   public synchronized void addElement(TreeNode ele) {
/* 169 */     this.items.addElement(ele);
/* 170 */     needRepaint(true, false);
/*     */   }
/*     */   
/*     */   public int countElements() {
/* 174 */     return this.items.size();
/*     */   }
/*     */   
/*     */   public TreeNode elementAt(int index) {
/* 178 */     return (TreeNode)this.items.elementAt(index);
/*     */   }
/*     */   
/*     */   public TreeNode elementAt(Point p) {
/* 182 */     int item = this.scrollPos + p.y / this.itemHeight;
/* 183 */     if (item < this.items.size())
/* 184 */       return (TreeNode)this.items.elementAt(item);
/* 185 */     return null;
/*     */   }
/*     */   
/*     */   private void makeVisible(int item) {
/* 189 */     int count = this.items.size();
/* 190 */     if ((count > this.linesVisible) && (
/* 191 */       (item < this.scrollPos) || (item >= this.scrollPos + this.linesVisible))) {
/* 192 */       setScrollValue(Math.min(item * this.itemHeight, this.scrollbar.getMaximum()));
/*     */     }
/* 194 */     this.needMakeVisible = false;
/*     */   }
/*     */   
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */   public synchronized void recalc()
/*     */   {
/* 204 */     int height = getSize().height;
/* 205 */     this.linesVisible = Math.max(1, height / this.itemHeight);
/* 206 */     int count = this.items.size();
/* 207 */     if (count > this.linesVisible) {
/* 208 */       if (!this.scrollbar.isVisible()) {
/* 209 */         this.scrollbar.setVisible(true);
/* 210 */         validate();
/*     */       }
/* 212 */       this.scrollbar.setValues(this.scrollPos * this.itemHeight, this.linesVisible * 
/* 213 */         this.itemHeight, 0, count * this.itemHeight);
/* 214 */       this.scrollbar.setPageIncrement(this.linesVisible * this.itemHeight);
/* 215 */       this.scrollbar.setLineIncrement(this.itemHeight);
/*     */     } else {
/* 217 */       if (this.scrollbar.isVisible()) {
/* 218 */         this.scrollbar.setVisible(false);
/* 219 */         validate();
/*     */       }
/* 221 */       this.scrollPos = 0;
/*     */     }
/* 223 */     this.needRecalc = false;
/*     */   }
/*     */   
/*     */   public synchronized void paint(Graphics g)
/*     */   {
/* 228 */     super.paint(g);
/*     */     
/* 230 */     int height = getSize().height;
/* 231 */     int count = this.items.size();
/* 232 */     int y = 0;
/* 233 */     for (int i = this.scrollPos; i < count; i++) {
/* 234 */       TreeNode node = elementAt(i);
/* 235 */       String name = node.toString();
/* 236 */       boolean isTitle = node.displayAsTitle();
/* 237 */       Font font = this.nFont;
/* 238 */       FontMetrics metrics = this.nFontMetrics;
/* 239 */       if (isTitle) {
/* 240 */         font = this.bFont;
/* 241 */         metrics = this.bFontMetrics;
/*     */       }
/* 243 */       g.setFont(font);
/* 244 */       int ascent = metrics.getAscent();
/* 245 */       int x = node.getLevel() * 14;
/* 246 */       g.setColor(normFGColor);
/* 247 */       if (node.isOpen()) {
/* 248 */         this.openedIcon.drawFilled(g, x + 5, y + ascent - 5);
/*     */       } else
/* 250 */         this.closedIcon.drawFilled(g, x + 5, y + ascent - 5);
/* 251 */       if (i == this.selectedIndex)
/* 252 */         g.setColor(selFGColor);
/* 253 */       g.drawString(name, x + 11 + 5, y + ascent);
/* 254 */       if ((i == this.selectedIndex) && (this.hasFocus))
/* 255 */         g.drawRect(x + 11 + 3, y, metrics.stringWidth(name) + 3, 
/* 256 */           this.itemHeight);
/* 257 */       y += this.itemHeight;
/* 258 */       if (y >= height)
/*     */         break;
/*     */     }
/* 261 */     this.needRepaint = false;
/*     */   }
/*     */   
/*     */   @Deprecated
/*     */   public boolean handleEvent(Event e)
/*     */   {
/* 267 */     if (this.isDialogDisabled) {
/* 268 */       return false;
/*     */     }
/* 270 */     switch (e.id) {
/*     */     case 601: 
/* 272 */       return scrollLineUp();
/*     */     case 602: 
/* 274 */       return scrollLineDown();
/*     */     case 603: 
/* 276 */       return scrollPageUp();
/*     */     case 604: 
/* 278 */       return scrollPageDown();
/*     */     case 605: 
/* 280 */       return scrollAbsolute();
/*     */     }
/* 282 */     return super.handleEvent(e);
/*     */   }
/*     */   
/*     */   public void dialogDisable(boolean disable)
/*     */   {
/* 287 */     this.isDialogDisabled = disable;
/*     */   }
/*     */   
/*     */   public synchronized boolean mouseDown(Event e, int x, int y)
/*     */   {
/* 292 */     setFocus(true);
/* 293 */     int item = this.scrollPos + y / this.itemHeight;
/* 294 */     if ((item >= 0) && (item < this.items.size()))
/* 295 */       if (e.clickCount == 1) {
/* 296 */         treeSelect(item);
/*     */         
/*     */ 
/* 299 */         int yStart = y / this.itemHeight * this.itemHeight;
/* 300 */         TreeNode node = elementAt(item);
/* 301 */         MoveablePolygon widget = node.isOpen() ? this.openedIcon : 
/* 302 */           this.closedIcon;
/* 303 */         FontMetrics metrics = node.displayAsTitle() ? this.nFontMetrics : 
/* 304 */           this.bFontMetrics;
/* 305 */         widget.moveTo(node.getLevel() * 14 + 5, yStart + 
/* 306 */           metrics.getAscent() - 5);
/* 307 */         if (widget.getBoundingBox().contains(x, y))
/* 308 */           treeOpen(item);
/*     */       } else {
/* 310 */         treeOpen(item);
/*     */       }
/* 312 */     return true;
/*     */   }
/*     */   
/*     */ 
/*     */   public void treeSelect(int item) {}
/*     */   
/*     */   public void treeOpen(int item) {}
/*     */   
/*     */   private boolean setScrollValue(int value)
/*     */   {
/* 322 */     value = Math.max(this.scrollbar.getMinimum(), value);
/* 323 */     value = Math.min(this.scrollbar.getMaximum(), value);
/* 324 */     this.scrollPos = (value / this.itemHeight);
/* 325 */     this.scrollbar.setValue(this.scrollPos * this.itemHeight);
/* 326 */     needRepaint(false, false);
/* 327 */     return true;
/*     */   }
/*     */   
/*     */   private boolean scrollLineUp() {
/* 331 */     return setScrollValue(this.scrollPos * this.itemHeight - 
/* 332 */       this.scrollbar.getLineIncrement());
/*     */   }
/*     */   
/*     */   private boolean scrollLineDown() {
/* 336 */     return setScrollValue(this.scrollPos * this.itemHeight + 
/* 337 */       this.scrollbar.getLineIncrement());
/*     */   }
/*     */   
/*     */   private boolean scrollPageUp() {
/* 341 */     return setScrollValue(this.scrollPos * this.itemHeight - 
/* 342 */       this.scrollbar.getPageIncrement());
/*     */   }
/*     */   
/*     */   private boolean scrollPageDown() {
/* 346 */     return setScrollValue(this.scrollPos * this.itemHeight + 
/* 347 */       this.scrollbar.getPageIncrement());
/*     */   }
/*     */   
/*     */   private boolean scrollAbsolute() {
/* 351 */     return setScrollValue(this.scrollbar.getValue());
/*     */   }
/*     */ }


/* Location:              C:\Program Files (x86)\Worlds Inc\WorldsPlayer - Win7\lib\worlds.jar!\NET\worlds\console\TreePanel.class
 * Java compiler version: 6 (50.0)
 * JD-Core Version:       0.7.1
 */