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calendar-minimonth-busy.js
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2008-02-08
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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Minimonth Busy Highlighter code.
*
* The Initial Developer of the Original Code is
* Philipp Kewisch <mozilla@kewis.ch>
* Portions created by the Initial Developer are Copyright (C) 2007
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/* NOTE: This script requires functions from calUtils.js, calendar-views.js
* and also the getCompositeCalendar() function which is target app
* dependant.
*/
var minimonthBusyListener = {
QueryInterface: function mBL_QueryInterface(aIID) {
if (!aIID.equals(Components.interfaces.calIOperationListener) &&
!aIID.equals(Components.interfaces.calICompositeObserver) &&
!aIID.equals(Components.interfaces.calIObserver) &&
!aIID.equals(Components.interfaces.nsISupports)) {
throw Components.results.NS_ERROR_NO_INTERFACE;
}
return this;
},
// calIOperationListener methods
onOperationComplete: function mBL_onOperationComplete(aCalendar,
aStatus,
aOperationType,
aId,
aDetail) {},
onGetResult: function mBL_onGetResult(aCalendar,
aStatus,
aItemType,
aDetail,
aCount,
aItems) {
if (!Components.isSuccessCode(aStatus)) {
return;
}
for each (var item in aItems) {
this.setBusyDaysForOccurrence(item, true);
}
},
setBusyDaysForItem: function mBL_setBusyDaysForItem(aItem, aState) {
var minimonth = getMinimonth();
var items = [aItem];
if (aItem.recurrenceInfo) {
var startDate = jsDateToDateTime(minimonth.firstDate);
var endDate = jsDateToDateTime(minimonth.lastDate);
items = aItem.getOccurrencesBetween(startDate, endDate, {});
}
for each (var item in items) {
this.setBusyDaysForOccurrence(item, aState);
}
},
setBusyDaysForOccurrence: function mBL_setBusyDaysForOccurrence(aOccurrence,
aState) {
if (aOccurrence.getProperty("TRANSP") == "TRANSPARENT") {
// Skip transparent events
return;
}
var minimonth = getMinimonth();
var start = aOccurrence.startDate ||
aOccurrence.entryDate ||
aOccurrence.dueDate;
var end = aOccurrence.endDate || aOccurrence.dueDate || start;
if (!start) {
return;
}
// We need to compare with midnight of the current day, so reset the
// time here.
var current = start.clone();
current.hour = 0;
current.minute = 0;
current.second = 0;
// Cache the result so the compare isn't called in each iteration.
var compareResult = (start.compare(end) == 0 ? 1 : 0);
// Setup the busy days.
while (current.compare(end) < compareResult) {
var box = minimonth.getBoxForDate(current.jsDate);
if (box) {
var n = parseInt(box.getAttribute("busy") || 0) +
(aState ? 1 : -1);
if (n > 0) {
box.setAttribute("busy", n);
} else {
box.removeAttribute("busy");
}
}
current.day++;
}
},
// calIObserver methods
onStartBatch: function mBL_onStartBatch() {},
onEndBatch: function mBL_onEndBatch() {},
onLoad: function mBL_onLoad(aCalendar) {},
onAddItem: function mBL_onAddItem(aItem) {
this.setBusyDaysForItem(aItem, true);
},
onDeleteItem: function mBL_onDeleteItem(aItem) {
this.setBusyDaysForItem(aItem, false);
},
onModifyItem: function mBL_onModifyItem(aNewItem, aOldItem) {
this.setBusyDaysForItem(aOldItem, false);
this.setBusyDaysForItem(aNewItem, true);
},
onError: function mBL_onError(aErrNo, aMessage) {},
onPropertyChanged: function(aCalendar, aName, aValue, aOldValue) {},
onPropertyDeleting: function(aCalendar, aName) {},
// calICompositeObserver methods
onCalendarAdded: function mBL_onCalendarAdded(aCalendar) {
var minimonth = getMinimonth();
minimonth.resetAttributesForDate();
monthChangeListener({ target: minimonth });
},
onCalendarRemoved: function mBL_onCalendarRemoved(aCalendar) {
var minimonth = getMinimonth();
minimonth.resetAttributesForDate();
monthChangeListener({ target: minimonth });
},
onDefaultCalendarChanged: function mBL_onDefaultCalendarChanged(aNew) {}
};
function monthChangeListener(event) {
// The minimonth automatically clears extra styles on a month change.
// Therefore we only need to fill the minimonth with new info.
var start = event.target.firstDate;
var end = event.target.lastDate;
var composite = getCompositeCalendar();
var filter = composite.ITEM_FILTER_COMPLETED_ALL |
composite.ITEM_FILTER_CLASS_OCCURRENCES |
composite.ITEM_FILTER_ALL_ITEMS;
// Get new info
composite.getItems(filter,
0,
jsDateToDateTime(start),
jsDateToDateTime(end),
minimonthBusyListener);
}
function minimonthOnLoad() {
var minimonth = getMinimonth();
// This might be the hidden window, which has no UI
if (minimonth) {
minimonth.addEventListener("monthchange", monthChangeListener, false);
monthChangeListener({ target: minimonth });
getCompositeCalendar().addObserver(minimonthBusyListener);
}
}
function minimonthOnUnload() {
var minimonth = getMinimonth();
// This might be the hidden window, which has no UI
if (minimonth) {
minimonth.removeEventListener("monthchange", monthChangeListener, false);
monthChangeListener({ target: minimonth });
getCompositeCalendar().removeObserver(minimonthBusyListener);
}
}
window.addEventListener("load", minimonthOnLoad, false);
window.addEventListener("unload", minimonthOnUnload, false);