/* Merged Plone Javascript file
 * This file is dynamically assembled from separate parts.
 * Some of these parts have 3rd party licenses or copyright information attached
 * Such information is valid for that section,
 * not for the entire composite file
 * originating files are separated by ----- filename.js -----
 */

/* ----- login.js ----- */
// Functions used by login pages

function cookiesEnabled() {
  // Test whether cookies are enabled by attempting to set a cookie and then change its value
  // set test cookie
  var c = "areYourCookiesEnabled=0";
  document.cookie = c;
  var dc = document.cookie;
  // cookie not set?  fail
  if (dc.indexOf(c) == -1) return 0;
  // change test cookie
  c = "areYourCookiesEnabled=1";
  document.cookie = c;
  dc = document.cookie;
  // cookie not changed?  fail
  if (dc.indexOf(c) == -1) return 0;
  // delete cookie
  document.cookie = "areYourCookiesEnabled=; expires=Thu, 01-Jan-70 00:00:01 GMT";
  return 1;
}

function setLoginVars(user_name_id, alt_user_name_id, password_id, empty_password_id, js_enabled_id, cookies_enabled_id) {
  // Indicate that javascript is enabled, set cookie status, copy username and password length info to 
  // alternative variables since these vars are removed from the request by zope's authentication mechanism.
  if (js_enabled_id) {
    el = document.getElementById(js_enabled_id);
    if (el) { el.value = 1; }
  }
  if (cookies_enabled_id) {
    el = document.getElementById(cookies_enabled_id);
    // Do a fresh cookies enabled test every time we press the login button
    //   so that we are up to date in case the user enables cookies after seeing
    //   the cookies message.
    if (el) { el.value = cookiesEnabled(); } 
  }
  if (user_name_id && alt_user_name_id) {
    user_name = document.getElementById(user_name_id)
    alt_user_name = document.getElementById(alt_user_name_id)
    if (user_name && alt_user_name) {
       alt_user_name.value = user_name.value;
    } 
  }
  if (password_id && empty_password_id) {
    password = document.getElementById(password_id)
    empty_password = document.getElementById(empty_password_id)
    if (password && empty_password) {
       if (password.value.length==0) {
          empty_password.value = '1';
       } else {
          empty_password.value = '0';
       }
    }
  }
  return 1;
}

function showCookieMessage(msg_id) {
  // Show the element with the given id if cookies are not enabled
  msg = document.getElementById(msg_id)
  if (msg) {
     if (cookiesEnabled()) {
        msg.style.display = 'none';
     } else {
        msg.style.display = 'block';
     }
  }
}

function showEnableCookiesMessage() {
  // Show the element with the id 'enable_cookies_message' if cookies are not enabled
  showCookieMessage('enable_cookies_message')
}
// Call showEnableCookiesMessage after the page loads
registerPloneFunction(showEnableCookiesMessage);


/* ----- formsubmithelpers.js ----- */
function inputSubmitOnClick(event) {
    if (!event) var event = window.event; // IE compatibility

    if (hasClassName(this, 'submitting')) {
        return confirm(window.form_resubmit_message);
    } else {
        addClassName(this, 'submitting');
    }
    return true;
}

function registerSubmitHandler() {
    var nodes = cssQuery('input[type=submit]');
    for (var i=0; i<nodes.length; i++) {
        var node = nodes[i];
        if (!node.onclick) {
            node.onclick = inputSubmitOnClick;
        }
    }
}
registerPloneFunction(registerSubmitHandler);


/* ----- onload.js ----- */
/*-----------------------------------
Taken from and inspired by
Jeremy Keith - http://www.adactio.com
------------------------------------*/

function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}

function addUnloadEvent(func) {
	var oldonunload = window.onunload;
	if (typeof window.onunload != 'function') {
		window.onunload = func;
	} else {
		window.onunload = function() {
			oldonunload();
			func();
		}
	}
}

/* ----- popups.js ----- */
function prepPopUps() {
	if (!document.getElementsByTagName) return false;
	var rc = document.getElementById("region-content");
	var links = rc.getElementsByTagName("a");
	for (var i=0; i<links.length; i++) {
        if (links[i].className.match(new RegExp("(^|\\s)(photo|audio|video)(\\s|$)"))) {
            links[i].onclick = function() {
                var type, size, page, width, height;
                type = this.className || "";
                size = this.getAttribute("size") || "";
				page = "/obf/popup?fn=" + this.getAttribute("href") + "&t=" + type + "&d=" + size;
				switch (type) {
				    case ('audio'): width = "450"; height = "100"; break;
				    case ('photo'): width = "600"; height = "600"; break;
				    default: width = "450"; height = "450"; break;
				}
				window.open(page, '', 'width='+width+', height='+height+', resizable=1, scrollbars=1, status=0');
				return false;
            }
            links[i].onkeypress = links[i].onclick;
        }
    }
}

addLoadEvent(prepPopUps);