找到了。
PHP 代码:
// #############################################################################
// vB_AJAX_TitleEdit
// #############################################################################
/**
* Class to handle thread title editing with XML-HTTP
*
* @param object The <td> containing the title element
*/
function vB_AJAX_TitleEdit(obj)
{
this.obj = obj;
this.threadid = this.obj.id.substr(this.obj.id.lastIndexOf('_') + 1);
this.linkobj = fetch_object('thread_title_' + this.threadid);
this.container = this.linkobj.parentNode;
this.editobj = null;
this.xml_sender = null;
this.origtitle = '';
this.editstate = false;
// =============================================================================
// vB_AJAX_TitleEdit methods
/**
* Function to initialize the editor for a thread title
*/
this.edit = function()
{
if (this.editstate == false)
{
// create the new editor input box properties...
this.inputobj = document.createElement('input');
this.inputobj.type = 'text';
this.inputobj.size = 50;
this.inputobj.maxLength = 85;
this.inputobj.style.width = Math.max(this.linkobj.offsetWidth, 250) + 'px';
this.inputobj.className = 'bginput';
this.inputobj.value = PHP.unhtmlspecialchars(this.linkobj.innerHTML);
this.inputobj.title = this.inputobj.value;
// ... and event handlers
this.inputobj.onblur = vB_AJAX_ThreadList_Events.prototype.titleinput_onblur;
this.inputobj.onkeypress = vB_AJAX_ThreadList_Events.prototype.titleinput_onkeypress;
// insert the editor box and select it
this.editobj = this.container.insertBefore(this.inputobj, this.linkobj);
this.editobj.select();
// store the original text
this.origtitle = this.linkobj.innerHTML;
// hide the link object
this.linkobj.style.display = 'none';
// declare that we are in an editing state
this.editstate = true;
}
}
/**
* Function to restore a thread title in the editing state
*/
this.restore = function()
{
if (this.editstate == true)
{
// do we actually need to save?
if (this.editobj.value != this.origtitle)
{
this.linkobj.innerHTML = PHP.htmlspecialchars(this.editobj.value);
this.save(this.editobj.value);
}
else
{
// set the new contents for the link
this.linkobj.innerHTML = this.editobj.value;
}
// remove the editor box
this.container.removeChild(this.editobj);
// un-hide the link
this.linkobj.style.display = '';
// declare that we are in a normal state
this.editstate = false;
this.obj = null;
}
}
/**
* Function to save an edited thread title
*
* @param string Edited title text
*
* @return string Validated title text
*/
this.save = function(titletext)
{
this.xml_sender = new vB_AJAX_Handler(true);
this.xml_sender.onreadystatechange(this.onreadystatechange);
this.xml_sender.send('ajax.php', 'do=updatethreadtitle&t=' + this.threadid + '&title=' + PHP.urlencode(titletext));
}
var me = this;
/**
* OnReadyStateChange callback. Uses a closure to keep state.
* Remember to use me instead of this inside this function!
*/
this.onreadystatechange = function()
{
if (me.xml_sender.handler.readyState == 4 && me.xml_sender.handler.status == 200 && me.xml_sender.handler.responseText)
{
me.linkobj.innerHTML = me.xml_sender.handler.responseText;
if (is_ie)
{
me.xml_sender.handler.abort();
}
vB_ThreadTitle_Editor.obj = null;
}
}
// start the editor
this.edit();
}
2005-11-01, 16:09
你个孔以已
