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1,Body.java:
protected void renderComponent(IMarkupWriter writer, IRequestCycle cycle) {
TapestryUtils.storePageRenderSupport(cycle, this);
this.addExternalScript(TapestryUtil.getResource(
"/com/web/tapestry/html/Body.js",cycle));
IMarkupWriter nested = writer.getNestedWriter();
renderBody(nested, cycle);
// Start the body tag.
writer.println();
writer.begin(getElement());
renderInformalParameters(writer, cycle);
writer.println();
// Write the page's scripting. This is included scripts
// and dynamic javascript.
_pageRenderSupport.writeBodyScript(writer, cycle);
// Close the nested writer, which dumps its buffered content
// into its parent.
nested.close();
// Any initialization should go at the very end of the document
// just before the close body tag. Older version of Tapestry
// would create a window.onload event handler, but this is better
// (it doesn't have to wait for external images to load).
// add init script code
XtradeBasePage page = (XtradeBasePage) this.getPage();
if (page.getDefaultSubmit() !=
null)
_pageRenderSupport.addInitializationScript(
Script.getDefaultSubmitScript(page.getDefaultSubmit()));
_pageRenderSupport.writeInitializationScript(writer);
writer.end(); // <body>
}
2,Body.js:
var TapestryEx = new Object();
TapestryEx.set_focus = function (field)
{
if (typeof field == "string")
field = this.find(field);
if (field.focus)
field.focus();
if (field.select)
field.select();
}
TapestryEx.default_invalid_field_handler = function(event, field, message)
{
if (!event.abort && !field.disabled)
{
TapestryEx.set_focus(field);
window.alert(message);
event.abort = true;
event.cancel_handlers = true;
}
}
TapestryEx.find = function(elementId)
{
return document.getElementById(elementId);
}
TapestryEx.register_button = function(buttonId)
{
var button = this.find(buttonId);
if(!button.events)
button.events = new ButtonEventManager(button);
}
TapestryEx.onclick = function(buttonId, handler)
{
TapestryEx.register_button(buttonId);
var button = this.find(buttonId);
button.events.add_click_handler(handler);
}
// ButtonClickEvent
function ButtonClickEvent(button,type,invalid_field_handler)
{
this.button = button;
this.type = type;
this.invalid_field_handler = invalid_field_handler;
}
ButtonClickEvent.prototype.invalid_field = function(field, message)
{
this.invalid_field_handler.call(window, this, field, message);
}
// ButtonEventManager
function ButtonEventManager(button)
{
this.button = button;
this.handlers = {};
button.onclick = function() { return this.events.onclick_handler(); };
this.invalid_field_handler = TapestryEx.default_invalid_field_handler;
}
// add_handler(type, handler)
ButtonEventManager.prototype.add_handler = function(type, handler)
{
var array = this.handlers[type];
if (array == null)
{
array = [];
this.handlers[type] = array;
}
array[array.length]=handler;
}
// invoke_handlers(type, eventObject)
ButtonEventManager.prototype.invoke_handlers = function(type, eventObj)
{
var array = this.handlers[type];
if (array == null) return;
var length = array.length;
for (var i = 0; i < length; i++)
{
var handler = array[i];
handler.call(window, eventObj);
}
}
// click()
ButtonEventManager.prototype.click = function(name)
{
if (this.onclick_handler())
{
this.button.onclick = null;
}
}
// onclick_handler()
ButtonEventManager.prototype.onclick_handler = function()
{
var event = new ButtonClickEvent(this.button, "click",this.invalid_field_handler);
this.invoke_handlers("click", event);
if (event.abort)
return false;
return true;
}
// add_click_handler(handler)
ButtonEventManager.prototype.add_click_handler = function(handler)
{
this.add_handler("click", handler);
}
function defaultSubmit(evt,submitName){
if(evt == null){
evt = window.event;
browser="IE";
srcElement=evt.srcElement;
}
else{
browser="FF";
srcElement=evt.target;
}
if(evt.which && evt.which == 13 || evt.keyCode && evt.keyCode==13){
var form = document.forms[0];
if(form != null){
if(srcElement.type!='submit'&&srcElement.type!='image')
if(browser == "IE")
evt.returnValue=false;
else if(browser == "FF")
evt.preventDefault();
if(document.getElementById(submitName)){
document.getElementById(submitName).click();
}
else
return document.forms[0].submit();
}
}
}
function addEventListener(obj,eventName,eventHandler){
if(eval(obj+".addEventListener")){
eval(obj+".addEventListener('"+eventName+"',"+eventHandler+",false);");
}
else if(eval(obj+".attachEvent")){
eval(obj+".attachEvent('on"+eventName+"',"+eventHandler+");");
}
else if(eval(obj+".on"+eventName)){
eval(obj+".on"+eventName+"="+eventHandler);
}
}
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