root / env / lib / python2.7 / site-packages / django / contrib / admin / static / admin / js / calendar.js @ 1a305335
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/*
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calendar.js - Calendar functions by Adrian Holovaty
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*/
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function removeChildren(a) { // "a" is reference to an object |
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while (a.hasChildNodes()) a.removeChild(a.lastChild);
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} |
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// quickElement(tagType, parentReference, textInChildNode, [, attribute, attributeValue ...]);
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function quickElement() { |
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var obj = document.createElement(arguments[0]); |
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if (arguments[2] != '' && arguments[2] != null) { |
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var textNode = document.createTextNode(arguments[2]); |
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obj.appendChild(textNode); |
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} |
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var len = arguments.length; |
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for (var i = 3; i < len; i += 2) { |
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obj.setAttribute(arguments[i], arguments[i+1]); |
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} |
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arguments[1].appendChild(obj); |
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return obj;
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} |
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// CalendarNamespace -- Provides a collection of HTML calendar-related helper functions
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var CalendarNamespace = {
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monthsOfYear: gettext('January February March April May June July August September October November December').split(' '), |
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daysOfWeek: gettext('S M T W T F S').split(' '), |
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firstDayOfWeek: parseInt(get_format('FIRST_DAY_OF_WEEK')), |
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isLeapYear: function(year) { |
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return (((year % 4)==0) && ((year % 100)!=0) || ((year % 400)==0)); |
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}, |
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getDaysInMonth: function(month,year) { |
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var days;
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if (month==1 || month==3 || month==5 || month==7 || month==8 || month==10 || month==12) { |
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days = 31;
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} |
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else if (month==4 || month==6 || month==9 || month==11) { |
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days = 30;
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} |
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else if (month==2 && CalendarNamespace.isLeapYear(year)) { |
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days = 29;
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} |
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else {
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days = 28;
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} |
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return days;
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}, |
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draw: function(month, year, div_id, callback) { // month = 1-12, year = 1-9999 |
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var today = new Date(); |
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var todayDay = today.getDate();
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var todayMonth = today.getMonth()+1; |
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var todayYear = today.getFullYear();
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var todayClass = ''; |
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month = parseInt(month); |
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year = parseInt(year); |
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var calDiv = document.getElementById(div_id);
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removeChildren(calDiv); |
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var calTable = document.createElement('table'); |
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quickElement('caption', calTable, CalendarNamespace.monthsOfYear[month-1] + ' ' + year); |
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var tableBody = quickElement('tbody', calTable); |
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// Draw days-of-week header
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var tableRow = quickElement('tr', tableBody); |
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for (var i = 0; i < 7; i++) { |
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quickElement('th', tableRow, CalendarNamespace.daysOfWeek[(i + CalendarNamespace.firstDayOfWeek) % 7]); |
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} |
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var startingPos = new Date(year, month-1, 1 - CalendarNamespace.firstDayOfWeek).getDay(); |
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var days = CalendarNamespace.getDaysInMonth(month, year);
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// Draw blanks before first of month
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tableRow = quickElement('tr', tableBody);
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for (var i = 0; i < startingPos; i++) { |
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var _cell = quickElement('td', tableRow, ' '); |
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_cell.style.backgroundColor = '#f3f3f3';
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} |
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// Draw days of month
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var currentDay = 1; |
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for (var i = startingPos; currentDay <= days; i++) { |
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if (i%7 == 0 && currentDay != 1) { |
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tableRow = quickElement('tr', tableBody);
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} |
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if ((currentDay==todayDay) && (month==todayMonth) && (year==todayYear)) {
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todayClass='today';
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} else {
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todayClass='';
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} |
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var cell = quickElement('td', tableRow, '', 'class', todayClass); |
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quickElement('a', cell, currentDay, 'href', 'javascript:void(' + callback + '('+year+','+month+','+currentDay+'));'); |
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currentDay++; |
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} |
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// Draw blanks after end of month (optional, but makes for valid code)
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while (tableRow.childNodes.length < 7) { |
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var _cell = quickElement('td', tableRow, ' '); |
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_cell.style.backgroundColor = '#f3f3f3';
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} |
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calDiv.appendChild(calTable); |
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} |
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} |
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// Calendar -- A calendar instance
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function Calendar(div_id, callback) { |
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// div_id (string) is the ID of the element in which the calendar will
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// be displayed
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// callback (string) is the name of a JavaScript function that will be
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// called with the parameters (year, month, day) when a day in the
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// calendar is clicked
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this.div_id = div_id;
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this.callback = callback;
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this.today = new Date(); |
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this.currentMonth = this.today.getMonth() + 1; |
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this.currentYear = this.today.getFullYear(); |
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} |
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Calendar.prototype = { |
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drawCurrent: function() { |
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CalendarNamespace.draw(this.currentMonth, this.currentYear, this.div_id, this.callback); |
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}, |
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drawDate: function(month, year) { |
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this.currentMonth = month;
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this.currentYear = year;
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this.drawCurrent();
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}, |
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drawPreviousMonth: function() { |
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if (this.currentMonth == 1) { |
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this.currentMonth = 12; |
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this.currentYear--;
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} |
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else {
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this.currentMonth--;
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} |
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this.drawCurrent();
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}, |
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drawNextMonth: function() { |
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if (this.currentMonth == 12) { |
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this.currentMonth = 1; |
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this.currentYear++;
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} |
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else {
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this.currentMonth++;
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} |
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this.drawCurrent();
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}, |
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drawPreviousYear: function() { |
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this.currentYear--;
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this.drawCurrent();
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}, |
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drawNextYear: function() { |
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this.currentYear++;
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this.drawCurrent();
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} |
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} |