import java.awt.*; import java.io.*; import java.applet.*; import java.util.*; import cnp.ew.richtext.*; import cnp.ew.util.*; import cnp.ew.lightweight.*; import cnp.ew.layout.*; import cnp.ew.misc.*; import cnp.ew.list.*; public class CpJavaEditor extends CpLcApplet { CpListboxLc listbox; CpRichTextEditorLc richtext; CpRichTextPane richpane; String selectedMethod; Hashtable methods; public void init() { Vector items; CpAttachments attachments; CpAttachmentsLayout layout; CpPanelLc mainPanelLc; CpSplitbarLc hSplitbar; super.init(); setLc(mainPanelLc = new CpPanelLc()); mainPanelLc.setLayout(layout = new CpAttachmentsLayout()); mainPanelLc.setDrawOffscreen(true); mainPanelLc.setBackground(Color.lightGray); mainPanelLc.setBorderMargin(5); listbox = new CpListboxLc(false); listbox.addObserver(this); mainPanelLc.add(listbox); richtext = new CpRichTextEditorLc(); richtext.setDrawOffscreen(true); richpane = richtext.getPane(); richpane.setJavaMode(true); richpane.setWrapWidth(2000); richpane.setFont(new Font("Courier", Font.PLAIN, 12)); richpane.addObserver(this); mainPanelLc.add(richtext); hSplitbar = new CpSplitbarLc(CpSplitbarLc.HORIZONTAL); hSplitbar.setMinComponent(listbox); hSplitbar.setMaxComponent(richtext); mainPanelLc.add(hSplitbar); attachments = new CpAttachments(); attachments.setLeftAttachment(0); attachments.setRightAttachment(0); attachments.setTopAttachment(CpAttachments.ATTACH_POSITION, 30); layout.setAttachments(hSplitbar, attachments); hSplitbar.setAttachments(attachments); attachments = new CpAttachments(); attachments.setLeftAttachment(0); attachments.setRightAttachment(0); attachments.setTopAttachment(0); attachments.setBottomAttachment(0, hSplitbar); layout.setAttachments(listbox, attachments); attachments = new CpAttachments(); attachments.setLeftAttachment(0); attachments.setRightAttachment(0); attachments.setTopAttachment(0, hSplitbar); attachments.setBottomAttachment(0); layout.setAttachments(richtext, attachments); selectedMethod = "public void init()"; methods = new Hashtable(); Vector paragraphs = new Vector(); paragraphs.addElement(new CpParagraph("public void init()")); paragraphs.addElement(new CpParagraph("{")); paragraphs.addElement(new CpParagraph(" /**")); paragraphs.addElement(new CpParagraph(" * Generally set up the application. Initialize the MediaTracker, size the")); paragraphs.addElement(new CpParagraph(" * applet viewing space, initialize the graphic context and initialize")); paragraphs.addElement(new CpParagraph(" * the parameters of the scrolling text string.")); paragraphs.addElement(new CpParagraph(" */")); paragraphs.addElement(new CpParagraph("")); paragraphs.addElement(new CpParagraph(" mTracker = new MediaTracker(this);")); paragraphs.addElement(new CpParagraph("")); paragraphs.addElement(new CpParagraph(" bannerImage = createImage(maxWidth, bannerHeight);")); paragraphs.addElement(new CpParagraph(" bannerGraphic = bannerImage.getGraphics();")); paragraphs.addElement(new CpParagraph("")); paragraphs.addElement(new CpParagraph(" textImage = createImage(maxWidth, bannerHeight);")); paragraphs.addElement(new CpParagraph(" textGC = textImage.getGraphics();")); paragraphs.addElement(new CpParagraph("")); paragraphs.addElement(new CpParagraph(" offScrImage = createImage(maxWidth, maxHeight);")); paragraphs.addElement(new CpParagraph(" offScrGC = offScrImage.getGraphics();")); paragraphs.addElement(new CpParagraph("")); paragraphs.addElement(new CpParagraph(" createBannerParams();")); paragraphs.addElement(new CpParagraph("")); paragraphs.addElement(new CpParagraph(" //Set the start box rectangle...")); paragraphs.addElement(new CpParagraph(" d = new Dimension();")); paragraphs.addElement(new CpParagraph(" d = size();")); paragraphs.addElement(new CpParagraph(" rect = new Rectangle((d.width-100)/2, d.height-10, 100, 7);")); paragraphs.addElement(new CpParagraph("")); paragraphs.addElement(new CpParagraph(" //Set the font of the start box...")); paragraphs.addElement(new CpParagraph(" boxFont = new Font(" + '"' + "Helvetica" + '"' + ", Font.BOLD, 9);")); paragraphs.addElement(new CpParagraph(" setFont(boxFont);")); paragraphs.addElement(new CpParagraph("}")); methods.put("public void init()", paragraphs); paragraphs = new Vector(); paragraphs.addElement(new CpParagraph("public void start()")); paragraphs.addElement(new CpParagraph("{")); paragraphs.addElement(new CpParagraph(" /**")); paragraphs.addElement(new CpParagraph(" * Start the main applet thread.")); paragraphs.addElement(new CpParagraph(" */")); paragraphs.addElement(new CpParagraph("")); paragraphs.addElement(new CpParagraph(" if(engine == null)")); paragraphs.addElement(new CpParagraph(" {")); paragraphs.addElement(new CpParagraph(" engine = new Thread(this);")); paragraphs.addElement(new CpParagraph(" engine.start();")); paragraphs.addElement(new CpParagraph(" }")); paragraphs.addElement(new CpParagraph("")); paragraphs.addElement(new CpParagraph(" getAnimImages();")); paragraphs.addElement(new CpParagraph("}")); methods.put("public void start()", paragraphs); paragraphs = new Vector(); paragraphs.addElement(new CpParagraph("private boolean getAnimImages()")); paragraphs.addElement(new CpParagraph("{")); paragraphs.addElement(new CpParagraph(" //Use the first frame of the animation as the starting image")); paragraphs.addElement(new CpParagraph(" try {")); paragraphs.addElement(new CpParagraph(" im[i] = getImage(getDocumentBase(), \"FN\"+i+\".gif\");")); paragraphs.addElement(new CpParagraph(" } catch(Exception e2) {")); paragraphs.addElement(new CpParagraph(" System.out.println(e1);")); paragraphs.addElement(new CpParagraph(" }")); paragraphs.addElement(new CpParagraph(" ")); paragraphs.addElement(new CpParagraph(" for(int i = 0; i < 15; i++)")); paragraphs.addElement(new CpParagraph(" {")); paragraphs.addElement(new CpParagraph(" try {")); paragraphs.addElement(new CpParagraph(" im[i] = getImage(getDocumentBase(), \"FN\"+i+\".gif\");")); paragraphs.addElement(new CpParagraph(" } catch(Exception e2) {")); paragraphs.addElement(new CpParagraph(" System.out.println(e2);")); paragraphs.addElement(new CpParagraph(" }")); paragraphs.addElement(new CpParagraph(" ")); paragraphs.addElement(new CpParagraph(" mTracker.addImage(im[i], i);")); paragraphs.addElement(new CpParagraph(" ")); paragraphs.addElement(new CpParagraph(" try {")); paragraphs.addElement(new CpParagraph(" mTracker.checkID(i, true);")); paragraphs.addElement(new CpParagraph(" mTracker.waitForID(i);")); paragraphs.addElement(new CpParagraph(" showStatus(\"Loading image FN\" + i + \".gif\");")); paragraphs.addElement(new CpParagraph(" } catch(Exception e3) {")); paragraphs.addElement(new CpParagraph(" System.out.println(e3);")); paragraphs.addElement(new CpParagraph(" }")); paragraphs.addElement(new CpParagraph(" ")); paragraphs.addElement(new CpParagraph(" //Set the blinking images")); paragraphs.addElement(new CpParagraph(" imPic[0] = im[13]; //final animation first frame")); paragraphs.addElement(new CpParagraph(" imPic[1] = im[14]; //final animation second frame")); paragraphs.addElement(new CpParagraph(" ")); paragraphs.addElement(new CpParagraph(" return true;")); paragraphs.addElement(new CpParagraph("}")); methods.put("private boolean getAnimImages()", paragraphs); paragraphs = new Vector(); paragraphs.addElement(new CpParagraph("public synchronized void update(Graphics g)")); paragraphs.addElement(new CpParagraph("{")); paragraphs.addElement(new CpParagraph(" /**")); paragraphs.addElement(new CpParagraph(" * Call the paint function")); paragraphs.addElement(new CpParagraph(" */")); paragraphs.addElement(new CpParagraph(" ")); paragraphs.addElement(new CpParagraph(" paint(g);")); paragraphs.addElement(new CpParagraph("}")); methods.put("public synchronized void update(Graphics g)", paragraphs); paragraphs = new Vector(); paragraphs.addElement(new CpParagraph("public boolean mouseDown(java.awt.Event evt, int x, int y)")); paragraphs.addElement(new CpParagraph("{")); paragraphs.addElement(new CpParagraph(" /**")); paragraphs.addElement(new CpParagraph(" * When the user clicks anywhere on the applet screen, the \"go\" variable")); paragraphs.addElement(new CpParagraph(" * is set and the animation begins.")); paragraphs.addElement(new CpParagraph(" * @param go A boolean indicator which, when true, signals the animation to begin.")); paragraphs.addElement(new CpParagraph(" * @param x The x-location of the mouse when the user clicks - not used.")); paragraphs.addElement(new CpParagraph(" * @param y The y-location of the mouse when the user clicks - not used.")); paragraphs.addElement(new CpParagraph(" * @param evt The event object generated when the mouse was clicked - not used.")); paragraphs.addElement(new CpParagraph(" */")); paragraphs.addElement(new CpParagraph(" ")); paragraphs.addElement(new CpParagraph(" if(rect.inside(x, y) == true) {")); paragraphs.addElement(new CpParagraph(" if(!go) {")); paragraphs.addElement(new CpParagraph(" go = true;")); paragraphs.addElement(new CpParagraph(" }")); paragraphs.addElement(new CpParagraph(" }")); paragraphs.addElement(new CpParagraph(" ")); paragraphs.addElement(new CpParagraph(" return true;")); paragraphs.addElement(new CpParagraph("}")); methods.put("public boolean mouseDown(java.awt.Event evt, int x, int y)", paragraphs); paragraphs = new Vector(); paragraphs.addElement(new CpParagraph("public synchronized void nextPos()")); paragraphs.addElement(new CpParagraph("{")); paragraphs.addElement(new CpParagraph(" /**")); paragraphs.addElement(new CpParagraph(" * The nextPos method moves the text banner a single \"step\" to the left.")); paragraphs.addElement(new CpParagraph(" */")); paragraphs.addElement(new CpParagraph(" ")); paragraphs.addElement(new CpParagraph(" msgX -= 10; //scroll left 10 pixels")); paragraphs.addElement(new CpParagraph(" if((msgX + msgW) < 0) {")); paragraphs.addElement(new CpParagraph(" msgX = lastS.width;")); paragraphs.addElement(new CpParagraph(" }")); paragraphs.addElement(new CpParagraph(" repaint();")); paragraphs.addElement(new CpParagraph("}")); methods.put("public synchronized void nextPos()", paragraphs); Vector methodNames = new Vector(); for (Enumeration e = methods.keys() ; e.hasMoreElements() ;) { methodNames.addElement(e.nextElement()); } listbox.setItems(methodNames); fillInRichPane(); layout(); listbox.requestFocus(); listbox.select(0); } public void fillInRichPane() { Vector paragraphs = (Vector)methods.get(selectedMethod); richpane.setParagraphs(paragraphs); } public void update(CpObservable o, int facet, Object arg) { if (o == listbox && facet == OBJECT_CHANGED) { selectedMethod = (String)listbox.getSelectedItem(); fillInRichPane(); } } }