root/trunk/deployment/webadmin/webapp/resources/resources/bedework.js

/*
   Licensed to Jasig under one or more contributor license
   agreements. See the NOTICE file distributed with this work
   for additional information regarding copyright ownership.
   Jasig licenses this file to you under the Apache License,
   Version 2.0 (the "License"); you may not use this file
   except in compliance with the License. You may obtain a
   copy of the License at:
  
   http://www.apache.org/licenses/LICENSE-2.0
  
   Unless required by applicable law or agreed to in writing,
   software distributed under the License is distributed on
   an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   KIND, either express or implied. See the License for the
   specific language governing permissions and limitations
   under the License.  
*/

/* NOTE: this file is different between Bedework web applications and is
   therefore not currently interchangable between apps.  This will be normalized
   in the coming versions, but for now don't try to exchange them. */

/* Global variables / properties */
// URLs
var timezoneUrl = "/tzsvr/?names";
var carddavUrl = "/ucarddav/find";

var debug = false; // very basic debugging for now

/* COMMON and GENERAL FUNCTIONS */

function changeClass(id, newClass) {
  var identity = document.getElementById(id);
  if (identity == null) {
    alert("No element with id: " + id + " to set to class: " + newClass);
  }
  identity.className=newClass;
}
// set a field's value by ID
// typically used to set the value of a hidden field
function setField(id,val) {
  field = document.getElementById(id);
  field.value = val;
}

// show hide items using a checkbox
function swapVisible(obj,id) {
  if (obj.checked) {
    changeClass(id,'visible');
  } else {
    changeClass(id,'invisible');
  }
}
// hide a group of items
// send IDs as parameters
function hide() {
  if (arguments.length != 0) {
    for (i = 0; i < arguments.length; i++) {
      changeClass(arguments[i],'invisible');
    }
  }
}
// show a group of items
// send IDs as parameters
function show() {
  if (arguments.length != 0) {
    for (i = 0; i < arguments.length; i++) {
      changeClass(arguments[i],'visible');
    }
  }
}
// show and hide an item based on its current
// visibility; if visible, hide it; if invisible
// show it.
function toggleVisibility(id,newClass) {
  if (document.getElementById(id).className == 'invisible') {
    if (newClass != "") {
      changeClass(id,newClass);
    } else {
      changeClass(id,'visible');
    }
  } else {
    changeClass(id,'invisible');
  }
}
function setTab(listId,listIndex) {
  var list = document.getElementById(listId);
  var elementArray = new Array();
  for (i = 0; i < list.childNodes.length; i++) {
    if (list.childNodes[i].nodeName == "LI") {
      elementArray.push(list.childNodes[i]);
    }
  }
  for (i = 0; i < elementArray.length; i++) {
    if (i == listIndex) {
      elementArray[i].className = 'selected';
    } else {
      elementArray[i].className = '';
    }
  }
}
function getSelectedRadioButtonVal(radioCollection) {
  for(var i = 0; i < radioCollection.length; i++) {
    if(radioCollection[i].checked == true) {
       return radioCollection[i].value;
    }
  }
}
// returns an array of collected checkbox values
function collectRecurChkBoxVals(valArray,chkBoxes,dayPos) {
  if (chkBoxes) {
    if (typeof chkBoxes.length != 'undefined') {
      for (i = 0; i < chkBoxes.length; i++) {
        if (chkBoxes[i].checked == true) {
          if (dayPos) {
            valArray.push(dayPos + chkBoxes[i].value);
          } else {
            valArray.push(chkBoxes[i].value);
          }
        }
      }
    }
  }
  return valArray;
}
// launch a simple window for displaying information; no header or status bar
function launchSimpleWindow(URL) {
  simpleWindow = window.open(URL, "simpleWindow", "width=800,height=600,scrollbars=yes,resizable=yes,alwaysRaised=yes,menubar=no,toolbar=no");
  window.simpleWindow.focus();
}

// launch a size parameterized window for displaying information; no header or status bar
function launchSizedWindow(URL,width,height) {
  paramStr = "width=" + width + ",height=" + height + ",scrollbars=yes,resizable=yes,alwaysRaised=yes,menubar=no,toolbar=no";
  sizedWindow = window.open(URL, "sizedWindow", paramStr);
  window.sizedWindow.focus();
}

// launches new browser window with print-friendly version of page when
// print icon is clicked
function launchPrintWindow(URL) {
  printWindow = window.open(URL, "printWindow", "width=640,height=500,scrollbars=yes,resizable=yes,alwaysRaised=yes,menubar=yes,toolbar=yes");
  window.printWindow.focus();
}
// launch the calSelect pop-up window for selecting a calendar when creating,
// editing, and importing events
function launchCalSelectWindow(URL) {
  calSelect = window.open(URL, "calSelect", "width=500,height=600,scrollbars=yes,resizable=yes,alwaysRaised=yes,menubar=no,toolbar=no");
  window.calSelect.focus();
}
// used to update the calendar in various forms from
// the calSelect pop-up window.  We must do two things: update the hidden calendar
// input field and update the displayed text.
function updateEventFormCalendar(newCalPath,calDisplay) {
  if (window.opener.document.eventForm) {
    window.opener.document.eventForm.newCalPath.value = newCalPath;
    bwCalDisplay = window.opener.document.getElementById("bwEventCalDisplay");
    bwCalDisplay.innerHTML = calDisplay;
  } else {
    alert("The event form is not available.");
  }
  window.close();
}
// used to update a calendar subscription (alias) We must do two things: update the hidden
// calendar input field and update the displayed text
function updatePublicCalendarAlias(newCalPath,calDisplay,calendarCollection) {
  var calendarAliasHolder = document.getElementById("publicAliasHolder");
  var bwCalDisplay = document.getElementById("bwPublicCalDisplay");
  calendarAliasHolder.value = newCalPath;
  bwCalDisplay.innerHTML = '<strong>' + calDisplay + '</strong> <button type="button" onclick="showPublicCalAliasTree();">change</button>';
  changeClass("publicSubscriptionTree","invisible");
}
function showPublicCalAliasTree() {
  changeClass("publicSubscriptionTree","calendarTree");
}
// set the subscription URI when creating or updating a subscription
function setCalendarAlias(formObj) {
  if (!formObj) {
    alert("The subscription form is not available.");
    return false;
  }

  // set the aliasUri to an empty string.  Only set it if user
  // has requested a subscription.
  formObj.aliasUri.value == "";

  if (formObj.type.value == "folder") {
    formObj.calendarCollection.value = "false";
  } else if (formObj.type.value == "subscription") {
    switch (formObj.subType.value) {
      case "publicTree":
        // do nothing: when adding a subscription to the public tree, we set the fields directly.
        break;
      case "public":
        formObj.aliasUri.value = "bwcal://" + formObj.publicAliasHolder.value;
        break;
      case "user":
        //the "/user/" string is temporary; it needs to be passed as a param.
        formObj.aliasUri.value = "bwcal:///user/" + formObj.userIdHolder.value + "/" + formObj.userCalHolder.value;
        break;
      case "external":
        formObj.aliasUri.value = formObj.aliasUriHolder.value;
        break;
    }
  }
  return true;
}
// build a uri based on user and path in the subscription form
// DEPRECATED - use setCalendarAlias() above.
function setSubscriptionUri(formObj,prefix) {
  if (formObj) {
    var fullUri =  prefix + formObj.userId.value;
    if (formObj.userPath.value != "") {
      if (formObj.userPath.value.substring(0,1) == "/") {
        fullUri += formObj.userPath.value;
      } else {
        fullUri += "/" + formObj.userPath.value;
      }
    }
    formObj.calUri.value = fullUri;
    return true;
  } else {
    alert("The subscription form is not available.");
    return false;
  }
}
function exportCalendar(formId,name,calPath) {
  var formObj = document.getElementById(formId);
  formObj.calPath.value = calPath;
  formObj.contentName.value = name + '.ics';
  formObj.submit();
}

// checkboxes for all categories and preferred categories are on the page
// simultaneously.  The use can toggle between which is shown and which is
// hidden.  When a checkbox from one collection is changed, the corresponding
// checkbox should be changed in the other set if it exists.
function setCatChBx(thiscat,othercat) {
  thisCatCheckBox = document.getElementById(thiscat);
  if (document.getElementById(othercat)) {
    otherCatCheckBox = document.getElementById(othercat);
    otherCatCheckBox.checked =  thisCatCheckBox.checked;
  }
}
function checkPrefCategories(formObj){
  var hasACat = false;

  if (typeof formObj.defaultCategory.length != 'undefined') {
    for (i = 0; i < formObj.defaultCategory.length; i++) {
      if (formObj.defaultCategory[i].checked) {
        hasACat = true;
        break;
      }
    }
  }
  if (!hasACat) {
    // no category is checked;
    // create an empty catUid element to alert the backend
    // so we can clear the cats
    var hiddenCat = document.createElement("div");
    hiddenCat.innerHTML = '<input type="hidden" name="defaultCategory" value=""/>';
    formObj.appendChild(hiddenCat);
  }
}
// set category filters on calendar collections
function setCatFilters(formObj) {
  if (typeof formObj.filterCatUid.length != 'undefined') {
    var filterExpression = "catuid=(";
    var filterExists = false;
    for (i = 0; i < formObj.filterCatUid.length; i++) {
      if (formObj.filterCatUid[i].checked) {
        filterExists = true;
        filterExpression += "'" + formObj.filterCatUid[i].value + "',";
      }
    }
    if (filterExists) {
      // remove the last comma and close off the expression
      filterExpression = filterExpression.substring(0,filterExpression.length-1) + ")";
      // set the form value
      formObj.fexpr.value = filterExpression;
    }
  }
}