static {
INTERFACES = new Vector();
INTERFACES.addElement("SubmitListener");
INTERFACES.addElement("PageListener");
}
private static void addListeners(PrintWriter pw) {
// add SubmitListener
if (INTERFACES.contains("SubmitListener")) {
println(pw, SPACE);
println(pw, "/**");
println(pw, " * Process the given submit event");
println(pw, " * @param " + EVENT_PARAMETER + " the submit event to be processed");
println(pw, " * @return true to continue processing events, false to stop processing events");
println(pw, " */");
println(pw, "public boolean submitPerformed(SubmitEvent " + EVENT_PARAMETER + ") {");
println(pw, TAB + "return true;");
println(pw, "}");
}
// Add PageListener
if (INTERFACES.contains("PageListener")) {
println(pw, SPACE);
println(pw, "/**");
println(pw, " * Process the page requested event");
println(pw, " * @param " + EVENT_PARAMETER + " the page event to be processed");
println(pw, " */");
println(pw, "public void pageRequested(PageEvent " + EVENT_PARAMETER + ") {");
println(pw, "}");
println(pw, SPACE);
println(pw, "/**");
println(pw, " * Process the page request end event");
println(pw, " * @param " + EVENT_PARAMETER + " the page event to be processed");
println(pw, " */");
println(pw, "public void pageRequestEnd(PageEvent " + EVENT_PARAMETER + ") {");
println(pw, "}");
println(pw, SPACE);
println(pw, "/**");
println(pw, " * Process the page submit end event");
println(pw, " * @param " + EVENT_PARAMETER + " the page event to be processed");
println(pw, " */");
println(pw, "public void pageSubmitEnd(PageEvent " + EVENT_PARAMETER + ") {");
println(pw, "}");
println(pw, SPACE);
println(pw, "/**");
println(pw, " * Process the page submit event");
println(pw, " * @param " + EVENT_PARAMETER + " the page event to be processed");
println(pw, " */");
println(pw, "public void pageSubmitted(PageEvent " + EVENT_PARAMETER + "){");
println(pw, "}");
}
// add ValueChangeListener
if (INTERFACES.contains("ValueChangedListener")) {
println(pw, SPACE);
println(pw, "/**");
println(pw, " * Process the value change event");
println(pw, " *");
println(pw, " * @param " + EVENT_PARAMETER + " the event to be processed");
println(pw, " *");
println(pw, " * @return true to continue processing events, false to stop processing events");
println(pw, " *");
println(pw, " */");
println(pw, "public boolean valueChanged(ValueChangedEvent " + EVENT_PARAMETER + "){");
println(pw, TAB + "return true;");
println(pw, "}");
}
// add TreeListener
if (INTERFACES.contains("TreeListener")) {
println(pw, SPACE);
println(pw, "/**");
println(pw, " * Process the item contracted event");
println(pw, " *");
println(pw, " * @param " + EVENT_PARAMETER + " the event to be processed");
println(pw, " *");
println(pw, " */");
println(pw, "public void itemContracted(TreeExpandContractEvent " + EVENT_PARAMETER + "){");
println(pw, "}");
println(pw, SPACE);
println(pw, "/**");
println(pw, " * Process the item expanded event");
println(pw, " *");
println(pw, " * @param " + EVENT_PARAMETER + " the event to be processed");
println(pw, " *");
println(pw, " */");
println(pw, "public void itemExpanded(TreeExpandContractEvent " + EVENT_PARAMETER + ")");
println(pw, "{");
println(pw, "}");
}
// FileUploadListener
if (INTERFACES.contains("FileUploadListener")) {
println(pw, SPACE);
println(pw, "/**");
println(pw, " * Process the file upload event");
println(pw, " *");
println(pw, " * @param " + EVENT_PARAMETER + " the event to be processed");
println(pw, " *");
println(pw, " */");
println(pw, "void fileUploaded(FileUploadEvent " + EVENT_PARAMETER + "){");
println(pw, "}");
}
// Calendar Listener
if (INTERFACES.contains("CalendarListener")) {
println(pw, SPACE);
println(pw, "/**");
println(pw, " * Process the calendar date selection event");
println(pw, " *");
println(pw, " * @param " + EVENT_PARAMETER + " the event to be processed");
println(pw, " *");
println(pw, " */");
println(pw, "void dateSelected(CalendarDateSelectedEvent " + EVENT_PARAMETER + "){");
println(pw, "}");
println(pw, SPACE);
println(pw, "/**");
println(pw, " * Process the month change event");
println(pw, " *");
println(pw, " * @param " + EVENT_PARAMETER + " the event to be processed");
println(pw, " *");
println(pw, " * @return true to continue processing events, false to stop processing events");
println(pw, " *");
println(pw, " */");
println(pw, "boolean monthChanged(CalendarMonthChangeEvent " + EVENT_PARAMETER + "){");
println(pw, TAB + "return true;");
println(pw, "}");
}
}
/** Generates a stub controller for a view. */
public static void generateCode(
java.io.PrintWriter p, Hashtable hashFields, JspController cont, String controllerName) {
try {
PrintWriter pw = p;
println(pw, "<BR>");
println(pw, "");
String cName = controllerName;
String packageName = "";
if (cName == null || cName.equals("") || cName.equals("com.salmonllc.jsp.JspController"))
cName = "GeneratedController";
int pos = cName.lastIndexOf(".");
if (pos > 0) {
packageName = cName.substring(0, pos);
cName = cName.substring(pos + 1);
}
// create the package statement
println(pw, "//package statement");
if (packageName != null) println(pw, PACKAGE + SPACE + packageName + ";");
// create some standard import statements
println(pw, "");
println(pw, "//Salmon import statements");
println(pw, IMPORT + SPACE + "com.salmonllc.jsp.*;");
println(pw, IMPORT + SPACE + "com.salmonllc.html.events.*;");
println(pw, "");
println(pw, "");
// Start the Class definition
println(pw, "/**");
println(pw, " * " + cName + ": a SOFIA generated controller");
println(pw, " */");
pw.print(CLASSDEF + SPACE + cName + SPACE);
pw.print(EXTENDS + SPACE + BASECLASS + SPACE);
if (INTERFACES != null && INTERFACES.size() > 0) {
pw.print(IMPLEMENTS + SPACE);
pw.print(INTERFACES.elementAt(0));
for (int i = 1; i < INTERFACES.size(); i++) {
pw.print(COMMA + SPACE);
pw.print(INTERFACES.elementAt(i));
}
}
println(pw, " {");
// Add the variables
cont.printVars(pw);
// add the Initialize Method
println(pw, SPACE);
println(pw, "/**");
println(
pw,
" * Initialize the page. Set up listeners and perform other initialization activities.");
println(pw, " */");
println(pw, INITMETHOD + "{");
// For Page Listeners
if (INTERFACES.contains(new String("PageListener")))
println(pw, TAB + "addPageListener(this);");
if (hashFields != null) {
Enumeration en = hashFields.keys();
while (en.hasMoreElements() && INTERFACES != null) {
String key = (String) en.nextElement();
Object obj = hashFields.get(key);
// For Buttons
if (INTERFACES.contains(new String("SubmitListener"))) {
if (obj instanceof com.salmonllc.html.HtmlSubmitButton
|| obj instanceof com.salmonllc.html.HtmlSubmitImage)
println(pw, TAB + computeFieldName(key) + ".addSubmitListener(this);");
}
// For Value Change Listeners
if (INTERFACES.contains(new String("ValueChangedListener"))) {
if (obj instanceof com.salmonllc.html.HtmlCheckBox
|| obj instanceof com.salmonllc.html.HtmlRadioButton
|| obj instanceof com.salmonllc.html.HtmlDropDownList)
println(pw, TAB + computeFieldName(key) + ".addValueChangeListener(this);");
}
// For Tree Listeners
if (INTERFACES.contains(new String("TreeListener"))) {
if (obj instanceof com.salmonllc.html.HtmlTreeControl)
println(pw, TAB + computeFieldName(key) + ".addTreeListener(this);");
}
} // while loop
} // hashatable not null
println(pw, "}");
// add the listeners
addListeners(pw);
// End the class definition
println(pw, "");
println(pw, "}");
pw.flush();
} catch (java.io.IOException e) {
System.out.println("Cannot create Java File.");
e.printStackTrace();
}
}