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2008-05-04 19:23:19

一起学习
import java.applet.Applet; import java.applet.AppletContext; import java.awt.*; import java.net.MalformedURLException; import java.net.URL; import java.util.*; public class basictoc2 extends Applet implements Runnable { public void init() { String s5 = ""; String s6 = ""; String s7 = ""; String s8 = ""; String s9 = ""; String s10 = ""; setBackground(Color.white); String s; int i = (s = getParameter("BGCOLOR")) == null ? Integer.parseInt("ffffff", 16) : Integer.parseInt(s, 16); bgimgfile = (s = getParameter("BGIMAGE")) == null ? "" : s; if(bgimgfile.length() == 0) { setBackground(new Color(i)); } else { bgimg = getImage(getCodeBase(), bgimgfile); mt.addImage(bgimg, 1); } String s12 = (s = getParameter("ITEMHEIGHT")) == null ? "25" : s; if(s12.indexOf('|') < 0) gifh = Integer.parseInt(s12); setBackground(new Color(i)); String s1 = (s = getParameter("AUTHORINFO")) == null ? "" : s; isimgstrip = (s = getParameter("isIMAGESTRIP")) == null ? "yes" : s; if(isimgstrip.equals("no")) { txtcolor = (s = getParameter("TEXTCOLOR")) == null ? Integer.parseInt("aa6666", 16) : Integer.parseInt(s, 16); symbolcolor = (s = getParameter("SYMBOLCOLOR")) == null ? Integer.parseInt("aa6666", 16) : Integer.parseInt(s, 16); highlightcolor = (s = getParameter("HIGHLIGHTCOLOR")) == null ? Integer.parseInt("000088", 16) : Integer.parseInt(s, 16); s5 = (s = getParameter("FONT1")) == null ? "" : s; s6 = (s = getParameter("FONT2")) == null ? "" : s; spacing = (s = getParameter("SPACING1")) == null ? 4 : Integer.parseInt(s); spacing2 = (s = getParameter("SPACING2")) == null ? 2 : Integer.parseInt(s); } if(s5.length() > 0) { sg = new StringTokenizer(s5, ";"); try { while(sg.hasMoreTokens()) { s7 = sg.nextToken().trim(); s9 = sg.nextToken().trim(); font1psize = Integer.parseInt(sg.nextToken().trim()); } } catch(NoSuchElementException _ex) { } if(s9.equals("bold")) fm = new Font(s7, 1, font1psize); else if(s9.equals("italic")) fm = new Font(s7, 2, font1psize); else if(s9.equals("plain")) fm = new Font(s7, 0, font1psize); else fm = new Font(s7, 3, font1psize); } if(s6.length() > 0) { sg = new StringTokenizer(s6, ";"); try { while(sg.hasMoreTokens()) { s8 = sg.nextToken().trim(); s10 = sg.nextToken().trim(); font2psize = Integer.parseInt(sg.nextToken().trim()); } } catch(NoSuchElementException _ex) { } if(s10.equals("bold")) fm2 = new Font(s8, 1, font2psize); else if(s10.equals("italic")) fm2 = new Font(s8, 2, font2psize); else if(s10.equals("plain")) fm2 = new Font(s8, 0, font2psize); else fm2 = new Font(s8, 3, font2psize); } String s4; if(s1.indexOf("Nalla Senthilnathan") >= 0 && s1.indexOf("nrsenthil.tripod.com") >= 0) s4 = (s = getParameter("TOCDATA")) == null ? "" : s; else s4 = ""; String s11 = (s = getParameter("CURRENTDOC")) == null ? "" : s; byte byte0 = -1; String s2 = ""; st = new StringTokenizer(s4, "|"); try { while(st.hasMoreTokens()) { st2 = new StringTokenizer(st.nextToken(), ";"); try { while(st2.hasMoreTokens()) { elems.addElement(new basictoc2Rec()); ((basictoc2Rec)elems.elementAt(elemcount)).level = Integer.parseInt(st2.nextToken().trim()); String s3 = st2.nextToken().trim(); ((basictoc2Rec)elems.elementAt(elemcount)).helpstr = s3; if(isimgstrip.equals("yes")) { ((basictoc2Rec)elems.elementAt(elemcount)).altstr = st2.nextToken().trim(); ((basictoc2Rec)elems.elementAt(elemcount)).itemh = gifh; } else if(s3.indexOf(',') > 0) { st3 = new StringTokenizer(s3, ","); try { while(st3.hasMoreTokens()) { ((basictoc2Rec)elems.elementAt(elemcount)).helpstr = st3.nextToken().trim(); ((basictoc2Rec)elems.elementAt(elemcount)).altstr = st3.nextToken().trim(); } } catch(NoSuchElementException _ex) { } if(((basictoc2Rec)elems.elementAt(elemcount)).level == 1) ((basictoc2Rec)elems.elementAt(elemcount)).itemh = 2 * spacing 2 * font1psize spacing2; else ((basictoc2Rec)elems.elementAt(elemcount)).itemh = 2 * spacing 2 * font2psize spacing2; } else if(((basictoc2Rec)elems.elementAt(elemcount)).level == 1) ((basictoc2Rec)elems.elementAt(elemcount)).itemh = font1psize spacing * 2; else ((basictoc2Rec)elems.elementAt(elemcount)).itemh = font2psize spacing * 2; ((basictoc2Rec)elems.elementAt(elemcount)).target = st2.nextToken().trim(); if(((basictoc2Rec)elems.elementAt(elemcount)).level == 1) { ((basictoc2Rec)elems.elementAt(elemcount)).ishead = true; ((basictoc2Rec)elems.elementAt(elemcount)).isopen = false; ((basictoc2Rec)elems.elementAt(elemcount)).isvisible = true; int j = elemcount; } else { ((basictoc2Rec)elems.elementAt(elemcount)).ishead = false; ((basictoc2Rec)elems.elementAt(elemcount)).isopen = false; ((basictoc2Rec)elems.elementAt(elemcount)).isvisible = false; } s3 = st2.nextToken().trim(); if(s3.length() == 1) { ((basictoc2Rec)elems.elementAt(elemcount)).urlstr = ""; elemcount ; } else { ((basictoc2Rec)elems.elementAt(elemcount)).urlstr = s3; elemcount ; } break; } } catch(NoSuchElementException _ex) { } } } catch(NoSuchElementException _ex) { } try { for(int k = 0; k < elemcount; k ) if(((basictoc2Rec)elems.elementAt(k)).urlstr.length() > 0) urls.addElement(new URL(getDocumentBase(), ((basictoc2Rec)elems.elementAt(k)).urlstr)); else urls.addElement(null); } catch(MalformedURLException _ex) { } int l1 = 0; if(isimgstrip.equals("yes")) { for(int l = 0; l < elemcount; l ) { ((basictoc2Rec)elems.elementAt(l)).defimg = getImage(getCodeBase(), ((basictoc2Rec)elems.elementAt(l)).helpstr); mt.addImage(((basictoc2Rec)elems.elementAt(l)).defimg, l1); l1 ; ((basictoc2Rec)elems.elementAt(l)).altimg = getImage(getCodeBase(), ((basictoc2Rec)elems.elementAt(l)).altstr); mt.addImage(((basictoc2Rec)elems.elementAt(l)).altimg, l1); l1 ; } if(s12.indexOf('|') > 0) { st3 = new StringTokenizer(s12, "|"); for(int i1 = 0; i1 < elemcount; i1 ) try { if(st3.hasMoreTokens()) ((basictoc2Rec)elems.elementAt(i1)).itemh = Integer.parseInt(st3.nextToken()); } catch(NoSuchElementException _ex) { } } else { for(int j1 = 0; j1 < elemcount; j1 ) ((basictoc2Rec)elems.elementAt(j1)).itemh = gifh; } } if(s11.length() > 0) { for(int k1 = 0; k1 < elemcount; k1 ) if(((basictoc2Rec)elems.elementAt(k1)).ishead) { if(((basictoc2Rec)elems.elementAt(k1)).urlstr.equals(s11)) { docidx = k1; return; } for(int i2 = k1 1; i2 < elemcount; i2 ) { if(((basictoc2Rec)elems.elementAt(i2)).ishead) break; if(!((basictoc2Rec)elems.elementAt(i2)).urlstr.equals(s11)) continue; docidx = i2; ((basictoc2Rec)elems.elementAt(k1)).isopen = true; openAllTails(k1); break; } } } } public void update(Graphics g) { Dimension dimension = size(); if(offscreen == null || dimension.width != offscreensize.width || dimension.height != offscreensize.height) { offscreen = createImage(dimension.width, dimension.height); offscreensize = dimension; offgraphics = offscreen.getGraphics(); } offgraphics.setColor(getBackground()); offgraphics.fillRect(0, 0, dimension.width, dimension.height); paint(offgraphics); g.drawImage(offscreen, 0, 0, null); } public synchronized boolean mouseDown(Event event, int i, int j) { if(event.id == 501 && event.clickCount == 1) { int k = 0; int l = -1; int i1 = 0; boolean flag = false; for(; i1 < elemcount; i1 ) { if(!((basictoc2Rec)elems.elementAt(i1)).isvisible) continue; int j1 = ((basictoc2Rec)elems.elementAt(i1)).itemh; if(event.y >= k && event.y <= k j1) { if(((basictoc2Rec)elems.elementAt(i1)).urlstr.length() > 0) { getAppletContext().showDocument((URL)urls.elementAt(i1), ((basictoc2Rec)elems.elementAt(i1)).target); docidx = i1; if(((basictoc2Rec)elems.elementAt(i1)).ishead) closeAllTails2(); return true; } if(((basictoc2Rec)elems.elementAt(i1)).ishead) { l = i1; break; } } k = j1; } i1 = 0; if(l >= 0) for(; i1 < elemcount; i1 ) if(((basictoc2Rec)elems.elementAt(i1)).ishead) if(i1 == l) { if(((basictoc2Rec)elems.elementAt(i1)).isopen) { ((basictoc2Rec)elems.elementAt(i1)).isopen = false; closeAllTails(i1); } else { ((basictoc2Rec)elems.elementAt(i1)).isopen = true; openAllTails(i1); } } else if(((basictoc2Rec)elems.elementAt(i1)).isopen) { ((basictoc2Rec)elems.elementAt(i1)).isopen = false; closeAllTails(i1); } return true; } else { return false; } } public void closeAllTails2() { for(int i = 0; i < elemcount; i ) if(((basictoc2Rec)elems.elementAt(i)).ishead && ((basictoc2Rec)elems.elementAt(i)).isopen) { ((basictoc2Rec)elems.elementAt(i)).isopen = false; closeAllTails(i); } } public void closeAllTails(int i) { for(int j = i 1; j < elemcount; j ) { if(((basictoc2Rec)elems.elementAt(j)).ishead) break; ((basictoc2Rec)elems.elementAt(j)).isvisible = false; ((basictoc2Rec)elems.elementAt(j)).isopen = false; } } public void openAllTails(int i) { for(int j = i 1; j < elemcount; j ) { if(((basictoc2Rec)elems.elementAt(j)).ishead) break; ((basictoc2Rec)elems.elementAt(j)).isvisible = true; ((basictoc2Rec)elems.elementAt(j)).isopen = true; } } public boolean handleEvent(Event event) { if(event.id == 505) mousemoved = 0; return super.handleEvent(event); } public void paint(Graphics g) { int k = 0; if(mousemoved == 1 && urlmsg >= 0) showStatus(((basictoc2Rec)elems.elementAt(urlmsg)).urlstr); openmsg = 0; closemsg = 0; urlmsg = -1; if(isimgstrip.equals("yes")) if(mt.checkAll(true)) { for(int i = 0; i < elemcount; i ) if(((basictoc2Rec)elems.elementAt(i)).isvisible) { int i1 = ((basictoc2Rec)elems.elementAt(i)).itemh; if(mousemoved == 1 && mousey >= k && mousey <= k i1) { g.drawImage(((basictoc2Rec)elems.elementAt(i)).altimg, 0, k, this); urlmsg = i; } else if(docidx == i || ((basictoc2Rec)elems.elementAt(i)).ishead && ((basictoc2Rec)elems.elementAt(i)).isopen) g.drawImage(((basictoc2Rec)elems.elementAt(i)).altimg, 0, k, this); else g.drawImage(((basictoc2Rec)elems.elementAt(i)).defimg, 0, k, this); k = i1; } return; } else { g.setColor(Color.black); g.drawString("Loading TOC...,", bounds().width / 5, bounds().height / 2); return; } if(bgimgfile.length() > 0 && mt.checkAll(true)) g.drawImage(bgimg, 0, 0, this); for(int j = 0; j < elemcount; j ) if(((basictoc2Rec)elems.elementAt(j)).isvisible) { int j1 = ((basictoc2Rec)elems.elementAt(j)).itemh; if(mousemoved == 1 && mousey >= k && mousey <= k j1) urlmsg = j; int l; int k1; if(((basictoc2Rec)elems.elementAt(j)).ishead) { g.setFont(fm); l = k spacing font1psize; k1 = font1psize; } else { g.setFont(fm2); l = k spacing font2psize; k1 = font2psize; } g.setColor(new Color(symbolcolor)); if(((basictoc2Rec)elems.elementAt(j)).ishead) if(((basictoc2Rec)elems.elementAt(j)).urlstr.length() > 0) { if(mousemoved == 1 && mousey >= k && mousey <= k j1 || docidx == j) g.fillRect(10, l - (int)((double)font1psize * 0.80000000000000004D), (int)((double)font1psize * 0.5D), (int)((double)font1psize * 0.80000000000000004D)); g.drawRect(10, l - (int)((double)font1psize * 0.80000000000000004D), (int)((double)font1psize * 0.5D), (int)((double)font1psize * 0.80000000000000004D)); } else if(((basictoc2Rec)elems.elementAt(j)).isopen) { drawFillOpentria(g, l); drawOpentria(g, l); } else { if(mousemoved == 1 && mousey >= k && mousey <= k j1) drawFillClosetria(g, l); drawClosetria(g, l); } if(mousemoved == 1 && mousey >= k && mousey <= k j1 || docidx == j) g.setColor(new Color(highlightcolor)); else g.setColor(new Color(txtcolor)); g.drawString(((basictoc2Rec)elems.elementAt(j)).helpstr, 25, l); k = l spacing; if(((basictoc2Rec)elems.elementAt(j)).altstr.length() > 0) { k = l spacing2; g.drawString(((basictoc2Rec)elems.elementAt(j)).altstr, 25, k k1); k = k k1 spacing; } } } public void drawClosetria(Graphics g, int i) { int ai[] = new int[4]; int ai1[] = new int[4]; gifh = (font1psize * 3) / 2; ai[0] = 10; ai[1] = 10; ai[2] = 10 (int)((double)font1psize * 0.59999999999999998D); ai[3] = 10; ai1[0] = i - (int)((double)font1psize * 0.90000000000000002D); ai1[1] = i; ai1[2] = i - (int)(((double)font1psize * 0.90000000000000002D) / 2D); ai1[3] = i - (int)((double)font1psize * 0.90000000000000002D); g.drawPolygon(ai, ai1, 4); } public void drawOpentria(Graphics g, int i) { int ai[] = new int[4]; int ai1[] = new int[4]; ai[0] = 10; ai[1] = 10 (int)((double)font1psize * 0.69999999999999996D); ai[2] = 10 (int)(((double)font1psize * 0.69999999999999996D) / 2D); ai[3] = 10; ai1[0] = i - (int)((double)font1psize * 0.69999999999999996D); ai1[1] = i - (int)((double)font1psize * 0.69999999999999996D); ai1[2] = i; ai1[3] = i - (int)((double)font1psize * 0.69999999999999996D); g.drawPolygon(ai, ai1, 4); } public void drawFillClosetria(Graphics g, int i) { int ai[] = new int[4]; int ai1[] = new int[4]; gifh = (font1psize * 3) / 2; ai[0] = 10; ai[1] = 10; ai[2] = 10 (int)((double)font1psize * 0.59999999999999998D); ai[3] = 10; ai1[0] = i - (int)((double)font1psize * 0.90000000000000002D); ai1[1] = i; ai1[2] = i - (int)(((double)font1psize * 0.90000000000000002D) / 2D); ai1[3] = i - (int)((double)font1psize * 0.90000000000000002D); g.fillPolygon(ai, ai1, 4); } public void drawFillOpentria(Graphics g, int i) { int ai[] = new int[4]; int ai1[] = new int[4]; ai[0] = 10; ai[1] = 10 (int)((double)font1psize * 0.69999999999999996D); ai[2] = 10 (int)(((double)font1psize * 0.69999999999999996D) / 2D); ai[3] = 10; ai1[0] = i - (int)((double)font1psize * 0.69999999999999996D); ai1[1] = i - (int)((double)font1psize * 0.69999999999999996D); ai1[2] = i; ai1[3] = i - (int)((double)font1psize * 0.69999999999999996D); g.fillPolygon(ai, ai1, 4); } public void start() { thread = new Thread(this); thread.start(); } public void run() { do { try { Thread.currentThread(); Thread.sleep(100L); } catch(InterruptedException _ex) { } repaint(); } while(true); } public synchronized boolean mouseMove(Event event, int i, int j) { mousemoved = 1; mousex = i; mousey = j; return true; } public void stop() { if(thread != null) { thread.stop(); thread = null; } } public basictoc2() { buf = new char[1]; ch = new Character('\251'); fm3 = new Font("Helvectica", 0, 8); fm = new Font("Helvectica", 0, 14); fm2 = new Font("Helvectica", 1, 14); basex = 35; elems = new Vector(50, 10); urls = new Vector(50, 10); selhead = ""; curhead = ""; urlmsg = -1; msg1 = ""; msg2 = ""; mt = new MediaTracker(this); isopenfound = false; docidx = -1; font1psize = 12; font2psize = 12; spacing = 4; spacing2 = 2; } static final int MAXLINES = 200; char buf[]; Character ch; int layoutcount; int urlcount; String tok0; String tok1; String tok2; String tok3; int elemcount; int txtcolor; int highlightcolor; int symbolcolor; int tailcount; Thread thread; Font fm3; Font fm; Font fm2; int basex; int basey; int prev_x; int prev_y; int mousemoved; int mousex; int mousey; Image offscreen; Dimension offscreensize; Graphics offgraphics; Vector elems; Vector urls; String selhead; String curhead; int headisopen; int gifw; int gifh; int openmsg; int closemsg; int urlmsg; String msg1; String msg2; String txtfile; String isimgstrip; String bgimgfile; MediaTracker mt; boolean isopenfound; int docidx; StringTokenizer st; StringTokenizer st2; StringTokenizer st3; StringTokenizer sg; int fontpointsize; Image bgimg; int font1psize; int font2psize; int spacing; int spacing2; } import java.awt.Image; class basictoc2Rec { public basictoc2Rec() { id = ""; name = ""; helpstr = ""; urlstr = ""; head = ""; altstr = ""; target = ""; level = 0; itemh = 0; } public basictoc2Rec(String s, String s1, String s2) { helpstr = s; urlstr = s1; altstr = s2; } void setxny(int i, int j) { elemx = i; elemy = j; } public String id; public String name; public String helpstr; public String urlstr; public String head; public String altstr; public String target; public Image defimg; public Image altimg; public Image img; public int elemx; public int elemy; public int level; public int itemh; public boolean isopen; public boolean ishead; public boolean isvisible; } 下载本文示例代码


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