path: root/NET/worlds/scape/ScrollingImagePanel.java

/*     */ package NET.worlds.scape;
/*     */ 
/*     */ import NET.worlds.console.Console;
/*     */ import NET.worlds.console.DialogDisabled;
/*     */ import NET.worlds.console.ExposedPanel;
/*     */ import NET.worlds.console.WiderScrollbar;
/*     */ import NET.worlds.network.URL;
/*     */ import java.awt.BorderLayout;
/*     */ 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.Frame;
/*     */ import java.awt.Graphics;
/*     */ import java.awt.GridBagConstraints;
/*     */ import java.awt.GridBagLayout;
/*     */ import java.awt.Image;
/*     */ import java.awt.MediaTracker;
/*     */ import java.awt.Point;
/*     */ import java.awt.Scrollbar;
/*     */ import java.awt.Toolkit;
/*     */ import java.io.PrintStream;
/*     */ import java.util.Enumeration;
/*     */ import java.util.Vector;
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ public class ScrollingImagePanel
/*     */   extends ExposedPanel
/*     */   implements LibraryDropTarget, DialogDisabled
/*     */ {
/*     */   private static final long serialVersionUID = 1L;
/*  47 */   private Scrollbar scrollbar = new WiderScrollbar();
/*     */   private Vector<ScrollingListElement> items;
/*     */   private int cellWidth;
/*     */   private int cellHeight;
/*  51 */   private Font font = new Font(Console.message("ScImageFont"), 1, 12);
/*     */   
/*  53 */   private FontMetrics metrics = getFontMetrics(this.font);
/*  54 */   private int ascent = this.metrics.getAscent();
/*  55 */   private int descent = this.metrics.getDescent();
/*  56 */   private int textHeight = this.ascent + this.descent;
/*  57 */   private int scrollPos = 0;
/*     */   private ClickEventHandler handler;
/*     */   private ScrollingListElement downClicked;
/*     */   private boolean isDownClicked;
/*     */   private int maxScrollPos;
/*  62 */   private boolean useIcons = false;
/*     */   
/*     */   private boolean isDialogDisabled;
/*     */   
/*     */   public ScrollingImagePanel(ClickEventHandler handler, Vector<?> icons, boolean showIcons)
/*     */   {
/*  68 */     this.handler = handler;
/*  69 */     setFont(this.font);
/*  70 */     setForeground(Color.black);
/*  71 */     setBackground(Color.lightGray);
/*  72 */     this.items = new Vector();
/*  73 */     setContents(icons, false);
/*  74 */     setLayout(new BorderLayout());
/*  75 */     add("East", this.scrollbar);
/*  76 */     this.useIcons = showIcons;
/*     */   }
/*     */   
/*     */   public void resetContents(Vector<?> icons)
/*     */   {
/*  81 */     setContents(icons);
/*     */   }
/*     */   
/*     */   protected void add(GridBagLayout gbag, Component comp, GridBagConstraints c)
/*     */   {
/*  86 */     gbag.setConstraints(comp, c);
/*  87 */     add(comp);
/*     */   }
/*     */   
/*     */   @Deprecated
/*     */   public boolean handleEvent(Event e)
/*     */   {
/*  93 */     if (this.isDialogDisabled) {
/*  94 */       return false;
/*     */     }
/*  96 */     switch (e.id) {
/*     */     case 601: 
/*  98 */       return scrollLineUp();
/*     */     case 602: 
/* 100 */       return scrollLineDown();
/*     */     case 603: 
/* 102 */       return scrollPageUp();
/*     */     case 604: 
/* 104 */       return scrollPageDown();
/*     */     case 605: 
/* 106 */       return scrollAbsolute();
/*     */     }
/* 108 */     return super.handleEvent(e);
/*     */   }
/*     */   
/*     */ 
/*     */   public void dialogDisable(boolean disable)
/*     */   {
/* 114 */     this.isDialogDisabled = disable;
/*     */   }
/*     */   
/*     */   private void setContents(Vector<?> icons)
/*     */   {
/* 119 */     setContents(icons, true);
/*     */   }
/*     */   
/*     */   private void setContents(Vector<?> icons, boolean showIt)
/*     */   {
/* 124 */     this.items.removeAllElements();
/* 125 */     int count = icons.size();
/* 126 */     for (int i = 0; i < count; i++)
/* 127 */       addIcon((Iconic)icons.elementAt(i), false);
/* 128 */     if (showIt) {
/* 129 */       recalc(getSize().width, getSize().height);
/* 130 */       repaint();
/*     */     }
/*     */   }
/*     */   
/*     */   private void addIcon(Iconic icon, boolean showIt)
/*     */   {
/* 136 */     String title = icon.getIconCaption();
/* 137 */     int titleWidth = title != null ? this.metrics.stringWidth(title) : 0;
/* 138 */     URL name = icon.getIconURL();
/* 139 */     Image image = null;
/* 140 */     if (name != null) {
/* 141 */       MediaTracker tracker = new MediaTracker(this);
/* 142 */       image = Toolkit.getDefaultToolkit().getImage(name.unalias());
/* 143 */       tracker.addImage(image, 0);
/*     */       try {
/* 145 */         tracker.waitForID(0);
/*     */       }
/*     */       catch (InterruptedException localInterruptedException) {}
/* 148 */       if (tracker.isErrorID(0)) {
/* 149 */         image = null;
/*     */         
/* 151 */         System.out.println("Error loading " + name);
/*     */       }
/*     */     }
/* 154 */     this.items.addElement(new ScrollingListElement(image, title, titleWidth));
/*     */   }
/*     */   
/*     */   private void findCellSize()
/*     */   {
/* 159 */     this.cellWidth = 30;
/* 160 */     this.cellHeight = 0;
/* 161 */     if (this.useIcons) {
/* 162 */       this.cellHeight = 30;
/*     */     }
/* 164 */     Enumeration<ScrollingListElement> e = this.items.elements();
/* 165 */     while (e.hasMoreElements()) {
/* 166 */       ScrollingListElement item = (ScrollingListElement)e.nextElement();
/* 167 */       this.cellWidth = Math.max(this.cellWidth, item.titleWidth);
/* 168 */       if ((this.useIcons) && (item.image != null)) {
/* 169 */         this.cellWidth = Math.max(this.cellWidth, 
/* 170 */           item.image.getWidth(this));
/* 171 */         this.cellHeight = Math.max(this.cellHeight, 
/* 172 */           item.image.getHeight(this));
/*     */       }
/*     */     }
/* 175 */     this.cellWidth += 2;
/* 176 */     this.cellHeight += this.textHeight + 2;
/*     */   }
/*     */   
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */   public void setBounds(int x, int y, int w, int h)
/*     */   {
/* 188 */     super.setBounds(x, y, w, h);
/* 189 */     recalc(w, h);
/* 190 */     repaint();
/*     */   }
/*     */   
/*     */   private void recalc(int w, int h)
/*     */   {
/* 195 */     findCellSize();
/*     */     
/*     */ 
/*     */ 
/* 199 */     this.scrollPos = 0;
/* 200 */     this.scrollbar.setValue(this.scrollPos);
/*     */     
/*     */ 
/* 203 */     for (int pass = 0; pass < 2; pass++) {
/* 204 */       int scrollbarWidth = 0;
/* 205 */       if (pass == 1)
/* 206 */         scrollbarWidth = this.scrollbar.getSize().width;
/* 207 */       int lines = 0;
/* 208 */       if (this.cellWidth != 0) {
/* 209 */         int imagesPerLine = Math.max(1, (w - scrollbarWidth) / 
/* 210 */           this.cellWidth);
/* 211 */         lines = (this.items.size() + imagesPerLine - 1) / imagesPerLine * 
/* 212 */           this.cellHeight;
/*     */       }
/* 214 */       if (lines > h) {
/* 215 */         if (pass == 0) {
/* 216 */           if (!this.scrollbar.isVisible()) {
/* 217 */             this.scrollbar.setVisible(true);
/* 218 */             validate();
/*     */           }
/*     */         }
/*     */         else {
/* 222 */           this.maxScrollPos = lines;
/* 223 */           this.scrollbar.setValues(this.scrollPos, h, 0, lines);
/* 224 */           this.scrollbar.setPageIncrement(h);
/* 225 */           this.scrollbar.setLineIncrement(this.cellHeight);
/* 226 */           break;
/*     */         }
/*     */       }
/*     */       else {
/* 230 */         if (!this.scrollbar.isVisible()) break;
/* 231 */         this.scrollbar.setVisible(false);
/* 232 */         validate();
/*     */         
/* 234 */         break;
/*     */       }
/*     */     }
/*     */     
/* 238 */     clearHitTest();
/*     */   }
/*     */   
/*     */   private void clearHitTest()
/*     */   {
/* 243 */     int count = this.items.size();
/* 244 */     for (int i = 0; i < count; i++) {
/* 245 */       ScrollingListElement e = (ScrollingListElement)this.items.elementAt(i);
/* 246 */       e.x = (e.y = -1);
/*     */     }
/*     */   }
/*     */   
/*     */   private ScrollingListElement findCell(int x, int y)
/*     */   {
/* 252 */     int count = this.items.size();
/* 253 */     for (int i = 0; i < count; i++) {
/* 254 */       ScrollingListElement e = (ScrollingListElement)this.items.elementAt(i);
/* 255 */       if ((x >= 0) && (y >= 0) && (x < e.x) && (y < e.y))
/* 256 */         return e;
/*     */     }
/* 258 */     return null;
/*     */   }
/*     */   
/*     */   private void buttonAction(boolean down)
/*     */   {
/* 263 */     if (this.isDownClicked != down) {
/* 264 */       this.isDownClicked = down;
/* 265 */       Graphics g = getGraphics();
/* 266 */       drawCell(g, this.downClicked, this.isDownClicked);
/* 267 */       g.dispose();
/*     */     }
/*     */   }
/*     */   
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */   private Component findComponent(Point p)
/*     */   {
/* 281 */     Point screenLoc = getLocationOnScreen();
/* 282 */     Container cur = null;
/* 283 */     for (Container tmp = getParent(); !(tmp instanceof Frame); 
/* 284 */         tmp = cur.getParent())
/* 285 */       cur = tmp;
/* 286 */     Point parentCoords = cur.getLocationOnScreen();
/* 287 */     p.x = (p.x + screenLoc.x - parentCoords.x);
/* 288 */     p.y = (p.y + screenLoc.y - parentCoords.y);
/*     */     
/*     */ 
/*     */ 
/* 292 */     Component found = cur;
/*     */     for (;;) {
/* 294 */       Component c = found.getComponentAt(p.x, p.y);
/* 295 */       if ((c == found) || (c == null))
/*     */         break;
/* 297 */       Point tmp = c.getLocation();
/* 298 */       p.x -= tmp.x;
/* 299 */       p.y -= tmp.y;
/* 300 */       found = c;
/*     */     }
/* 302 */     return found;
/*     */   }
/*     */   
/*     */   @Deprecated
/*     */   public boolean mouseUp(Event event, int x, int y)
/*     */   {
/* 308 */     if (this.downClicked != null) {
/* 309 */       Point p = new Point(x, y);
/* 310 */       buttonAction(false);
/* 311 */       this.handler.clickEvent(findComponent(p), p, 2);
/* 312 */       this.downClicked = null;
/* 313 */       return true;
/*     */     }
/* 315 */     return false;
/*     */   }
/*     */   
/*     */   public int itemAt(Point p)
/*     */   {
/* 320 */     ScrollingListElement cell = findCell(p.x, p.y);
/* 321 */     if (cell != null)
/* 322 */       return this.items.indexOf(cell);
/* 323 */     return -1;
/*     */   }
/*     */   
/*     */ 
/*     */ 
/*     */   @Deprecated
/*     */   public boolean mouseDown(Event event, int x, int y)
/*     */   {
/* 331 */     if ((this.downClicked == null) && 
/* 332 */       ((this.downClicked = findCell(x, y)) != null)) {
/* 333 */       buttonAction(true);
/* 334 */       int flags = 1;
/* 335 */       if (event.metaDown())
/* 336 */         flags |= 0x4;
/* 337 */       this.handler.clickEvent(this, new Point(x, y), flags);
/* 338 */       return true;
/*     */     }
/* 340 */     return false;
/*     */   }
/*     */   
/*     */   @Deprecated
/*     */   public boolean mouseDrag(Event event, int x, int y)
/*     */   {
/* 346 */     if (this.downClicked != null) {
/* 347 */       Point p = new Point(x, y);
/* 348 */       this.handler.clickEvent(findComponent(p), p, 8);
/* 349 */       return true;
/*     */     }
/* 351 */     return false;
/*     */   }
/*     */   
/*     */ 
/*     */   private void drawCell(Graphics g, ScrollingListElement e, boolean depressed)
/*     */   {
/* 357 */     int x = e.x - this.cellWidth;
/* 358 */     int y = e.y - this.cellHeight;
/* 359 */     int imageBoxHeight = this.cellHeight - this.textHeight;
/* 360 */     int yTextOffset = imageBoxHeight + this.ascent;
/* 361 */     Color normColor = g.getColor();
/* 362 */     g.setColor(getBackground());
/* 363 */     g.draw3DRect(x, y, this.cellWidth - 1, this.cellHeight - 1, !depressed);
/* 364 */     g.setColor(normColor);
/* 365 */     if ((this.useIcons) && (e.image != null)) {
/* 366 */       int imageWidth = e.image.getWidth(this);
/* 367 */       int imageHeight = e.image.getHeight(this);
/* 368 */       g.drawImage(e.image, x + (this.cellWidth - imageWidth) / 2, 
/* 369 */         y + (imageBoxHeight - imageHeight) / 2, 
/* 370 */         null);
/*     */     }
/* 372 */     if (e.title != null) {
/* 373 */       g.drawString(e.title, x + (this.cellWidth - e.titleWidth) / 2, 
/* 374 */         y + yTextOffset);
/*     */     }
/*     */   }
/*     */   
/*     */   public void paint(Graphics g) {
/* 379 */     Color normColor = g.getColor();
/* 380 */     super.paint(g);
/* 381 */     g.setColor(normColor);
/*     */     
/* 383 */     clearHitTest();
/* 384 */     int width = getSize().width;
/* 385 */     int height = getSize().height;
/*     */     
/* 387 */     int x = 0;
/* 388 */     int y = -this.scrollbar.getValue();
/* 389 */     int count = this.items.size();
/* 390 */     for (int i = 0; i < count; i++) {
/* 391 */       if (y + this.cellHeight > 0) {
/* 392 */         ScrollingListElement e = 
/* 393 */           (ScrollingListElement)this.items.elementAt(i);
/* 394 */         e.x = (x + this.cellWidth);
/* 395 */         e.y = (y + this.cellHeight);
/* 396 */         drawCell(g, e, false);
/*     */       }
/* 398 */       x += this.cellWidth;
/*     */       
/*     */ 
/* 401 */       if (x + this.cellWidth > width) {
/* 402 */         x = 0;
/* 403 */         if (y += this.cellHeight >= height)
/*     */           break;
/*     */       }
/*     */     }
/*     */   }
/*     */   
/* 409 */   public boolean isIconsVisible() { return this.useIcons; }
/*     */   
/*     */   public void setIconsVisible(boolean showIcons) {
/* 412 */     this.useIcons = showIcons;
/* 413 */     recalc(getSize().width, getSize().height);
/* 414 */     repaint();
/*     */   }
/*     */   
/*     */   private boolean setScrollValue(int value)
/*     */   {
/* 419 */     this.scrollPos = Math.max(this.scrollbar.getMinimum(), value);
/* 420 */     this.scrollPos = 
/* 421 */       Math.min(this.maxScrollPos, this.scrollPos);
/* 422 */     this.scrollbar.setValue(this.scrollPos);
/* 423 */     repaint();
/* 424 */     return true;
/*     */   }
/*     */   
/*     */   private boolean scrollLineUp()
/*     */   {
/* 429 */     return setScrollValue(this.scrollPos - this.scrollbar.getLineIncrement());
/*     */   }
/*     */   
/*     */   private boolean scrollLineDown()
/*     */   {
/* 434 */     return setScrollValue(this.scrollPos + this.scrollbar.getLineIncrement());
/*     */   }
/*     */   
/*     */   private boolean scrollPageUp()
/*     */   {
/* 439 */     return setScrollValue(this.scrollPos - this.scrollbar.getPageIncrement());
/*     */   }
/*     */   
/*     */   private boolean scrollPageDown()
/*     */   {
/* 444 */     return setScrollValue(this.scrollPos + this.scrollbar.getPageIncrement());
/*     */   }
/*     */   
/*     */   private boolean scrollAbsolute()
/*     */   {
/* 449 */     return setScrollValue(this.scrollbar.getValue());
/*     */   }
/*     */ }


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