pjs/calendar/import-export/calMonthGridPrinter.js

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JavaScript

/* -*- Mode: javascript; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* ***** 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 Mozilla Calendar code.
*
* The Initial Developer of the Original Code is
* Joey Minta <jminta@gmail.com>
* Portions created by the Initial Developer are Copyright (C) 2006
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Matthew Willis <mattwillis@gmail.com>
*
* 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 ***** */
/**
* Prints a rough month-grid of events/tasks
*/
function calMonthPrinter() {
this.wrappedJSObject = this;
}
calMonthPrinter.prototype.QueryInterface =
function QueryInterface(aIID) {
if (!aIID.equals(Components.interfaces.nsISupports) &&
!aIID.equals(Components.interfaces.calIPrintFormatter)) {
throw Components.results.NS_ERROR_NO_INTERFACE;
}
return this;
};
calMonthPrinter.prototype.getName =
function monthPrint_getName() {
return calGetString("calendar", "monthPrinterName");
};
calMonthPrinter.prototype.__defineGetter__("name", calMonthPrinter.prototype.getName);
calMonthPrinter.prototype.formatToHtml =
function monthPrint_format(aStream, aStart, aEnd, aCount, aItems, aTitle) {
var html = <html/>
html.appendChild(
<head>
<title>{aTitle}</title>
<meta http-equiv='Content-Type' content='text/html; charset=UTF-8'/>
<style type='text/css'/>
</head>);
html.head.style = ".main-table { font-size: 26px; font-weight: bold; }\n";
html.head.style += ".day-name { border: 1px solid black; background-color: #e0e0e0; font-size: 12px; font-weight: bold; }\n";
html.head.style += ".day-box { border: 1px solid black; vertical-align: top; }\n";
html.head.style += ".out-of-month { background-color: gray !important; }\n";
html.head.style += ".day-off { background-color: #D3D3D3 !important; }\n";
// If aStart or aEnd weren't passed in, we need to calculate them based on
// aItems data.
var start = aStart;
var end = aEnd;
if (!start || !end) {
for each (var item in aItems) {
var itemStart = item.startDate || item.entryDate;
var itemEnd = item.endDate || item.dueDate;
if (!start || (itemStart && start.compare(itemStart) == 1)) {
start = itemStart;
}
if (!end || (itemEnd && end.compare(itemEnd) == -1)) {
end = itemEnd;
}
}
}
// Play around with aStart and aEnd to determine the minimal number of
// months we can show to still technically meet their requirements. This
// is most useful when someone printed 'Current View' in the month view. If
// we take the aStart and aEnd literally, we'll print 3 months (because of
// the extra days at the start/end), but we should avoid that.
//
// Basically, we check whether aStart falls in the same week as the start
// of a month (ie aStart is Jan 29, which often is in the same week as
// Feb 1), and similarly whether aEnd falls in the same week as the end of
// a month.
var weekStart = getPrefSafe("calendar.week.start", 0);
maybeNewStart = start.clone();
maybeNewStart.day = 1;
maybeNewStart.month = start.month+1;
var date = start.clone();
// First we have to adjust the end date for comparison, as the
// provided end date is exclusive, i.e. will not be displayed.
var realEnd = end.clone();
realEnd.day -= 1;
if (start.compare(realEnd) <= 0) {
// Only adjust dates if start date is earlier than end date.
if ((start.month != realEnd.month) || (start.year != realEnd.year)) {
// We only need to adjust if start and end are in different months.
// We want to check whether or not the start day is in the same
// week as the beginning of the next month. To do this, we take
// the start date, add seven days and subtract the "day of week"
// value (which has to be corrected in case we do not start on
// Sunday).
var testBegin = start.clone();
var startWeekday = testBegin.weekday;
if (startWeekday < weekStart) {
startWeekday += 7;
}
testBegin.day += 7 + weekStart - startWeekday;
if (testBegin.compare(maybeNewStart) > 0) {
start = maybeNewStart;
date = start.clone();
}
}
if ((start.month != realEnd.month) || (start.year != realEnd.year)) {
// We only need to adjust if start and end are in different months.
// Next, we want to check whether or not the end day is in the same
// week as the end of the previous month. So we have to get the
// "day of week" value for the end of the previous month, adjust it
// if necessary (when start of week is not Sunday) and check if the
// end day is in the same week.
var lastDayOfPreviousMonth = end.clone();
lastDayOfPreviousMonth.day = 0;
var lastDayWeekday = lastDayOfPreviousMonth.weekday;
if (lastDayWeekday < weekStart) {
lastDayWeekday += 7;
}
if (date.month != end.month) {
date.day = 1;
}
if ((lastDayWeekday + end.day - 1) < (7 + weekStart)) {
date.day = end.day;
}
// Finally, we have to check whether we adjusted the dates too
// well so that nothing is printed. That happens if you print just
// one week which has the last day of a month in it.
if (date.compare(end) >= 0) {
date.day = 1;
}
} else {
date.day = 1;
}
} else {
// If start date is after end date, just print empty month.
date = realEnd.clone();
}
var body = <body/>
while (date.compare(end) < 0) {
var monthName = calGetString("dateFormat", "month." + (date.month +1)+ ".name");
monthName += " " + date.year;
body.appendChild(
<table border='0' width='100%' class='main-table'>
<tr>
<td align='center' valign='bottom'>{monthName}</td>
</tr>
</table>);
body.appendChild(this.getStringForMonth(date, aItems));
// Make sure each month gets put on its own page
body.appendChild(<br style="page-break-after:always;"/>);
date.month++;
}
html.appendChild(body);
var convStream = Components.classes["@mozilla.org/intl/converter-output-stream;1"]
.getService(Components.interfaces.nsIConverterOutputStream);
convStream.init(aStream, 'UTF-8', 0, 0x0000);
convStream.writeString(html.toXMLString());
};
calMonthPrinter.prototype.getStringForMonth =
function monthPrint_getHTML(aStart, aItems) {
var weekStart = getPrefSafe("calendar.week.start", 0);
var monthTable = <table style='border:1px solid black;' width='100%'/>
var dayNameRow = <tr/>
for (var i = 0; i < 7; i++) {
var dayName = calGetString("dateFormat", "day."+ (((weekStart+i)%7)+1) + ".Mmm");
dayNameRow.appendChild(<td class='day-name' align='center'>{dayName}</td>);
}
monthTable.appendChild(dayNameRow);
// Set up the item-list so it's easy to work with.
function hasUsableDate(item) {
return item.startDate || item.entryDate || item.dueDate;
}
var filteredItems = aItems.filter(hasUsableDate);
var calIEvent = Components.interfaces.calIEvent;
var calITodo = Components.interfaces.calITodo
function compareItems(a, b) {
// Sort tasks before events
if (a instanceof calIEvent && b instanceof calITodo) {
return 1;
}
if (a instanceof calITodo && b instanceof calIEvent) {
return -1;
}
if (a instanceof calIEvent) {
var startCompare = a.startDate.compare(b.startDate);
if (startCompare != 0) {
return startCompare;
}
return a.endDate.compare(b.endDate);
}
var aDate = a.entryDate || a.dueDate;
var bDate = b.entryDate || b.dueDate;
return aDate.compare(bDate);
}
var sortedList = filteredItems.sort(compareItems);
var firstDate = aStart.startOfMonth.startOfWeek.clone();
firstDate.day += weekStart;
if (aStart.startOfMonth.weekday < weekStart) {
// Go back one week to make sure we display this day
firstDate.day -= 7;
}
var lastDate = aStart.endOfMonth.endOfWeek.clone();
if (aStart.endOfMonth.weekday < weekStart) {
// Go back one week so we don't display any extra days
lastDate.day -= 7;
}
firstDate.isDate = true;
lastDate.isDate = true;
var date = firstDate.clone();
var itemListIndex = 0;
while (date.compare(lastDate) != 1) {
monthTable.appendChild(this.makeHTMLWeek(date, sortedList, aStart.month));
}
return monthTable;
};
calMonthPrinter.prototype.makeHTMLWeek =
function makeHTMLWeek(date, sortedList, targetMonth) {
var weekRow = <tr/>;
const weekPrefix = "calendar.week.";
var prefNames = ["d0sundaysoff", "d1mondaysoff", "d2tuesdaysoff",
"d3wednesdaysoff", "d4thursdaysoff", "d5fridaysoff", "d6saturdaysoff"];
var defaults = [true, false, false, false, false, false, true];
var daysOff = new Array();
for (var i in prefNames) {
if (getPrefSafe(weekPrefix+prefNames[i], defaults[i])) {
daysOff.push(Number(i));
}
}
for (var i = 0; i < 7; i++) {
var myClass = 'day-box';
if (date.month != targetMonth) {
myClass += ' out-of-month';
} else if (daysOff.some(function(a) { return a == date.weekday; })) {
myClass += ' day-off';
}
var day = <td align='left' valign='top' class={myClass} height='100' width='100'/>
var innerTable = <table valign='top' style='font-size: 10px;'/>
var dateLabel = <tr valign='top'>
<td valign='top' align='left'>{date.day}</td>
</tr>
innerTable.appendChild(dateLabel);
var defaultTimezone = calendarDefaultTimezone();
for each (var item in sortedList) {
var sDate = item.startDate || item.entryDate || item.dueDate;
var eDate = item.endDate || item.dueDate || item.entryDate;
if (sDate) {
sDate = sDate.getInTimezone(defaultTimezone);
}
if (eDate) {
eDate = eDate.getInTimezone(defaultTimezone);
}
// end dates are exclusive
if (sDate.isDate) {
eDate = eDate.clone();
eDate.day -= 1;
}
if (!eDate || eDate.compare(date) == -1) {
continue;
}
itemListIndex = i;
if (!sDate || sDate.compare(date) == 1) {
break;
}
var dateFormatter =
Components.classes["@mozilla.org/calendar/datetime-formatter;1"]
.getService(Components.interfaces.calIDateTimeFormatter);
var time = "";
if (!sDate.isDate) {
time = dateFormatter.formatTime(sDate);
}
var calMgr = Components.classes["@mozilla.org/calendar/manager;1"]
.getService(Components.interfaces.calICalendarManager);
var calColor = calMgr.getCalendarPref(item.calendar, 'color');
if (!calColor) {
calColor = "#A8C2E1";
}
var pb2 = Components.classes["@mozilla.org/preferences-service;1"]
.getService(Components.interfaces.nsIPrefBranch2);
var catColor;
try {
catColor = pb2.getCharPref("calendar.category.color."+item.getProperty("CATEGORIES").toLowerCase());
} catch(ex) {}
var style = 'font-size: 11px; text-align: left;';
style += ' background-color: ' + calColor + ';';
style += ' color: ' + getContrastingTextColor(calColor);
if (catColor) {
style += ' border: solid ' + catColor + ' 2px;';
}
var item = <tr>
<td valign='top' style={style}>{time} {item.title}</td>
</tr>;
innerTable.appendChild(item);
}
day.appendChild(innerTable);
weekRow.appendChild(day);
date.day++;
}
return weekRow;
};