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calendar.js
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calendar.js
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// REQUIRES JQUERY
function Calendar(e, m, y) {
this.parentElement = e; // required: parent element to build calendar object on
this.month = m; // todo: need to apply null handle
this.year = y; // todo: need to apply null handle
this.dataHeaders = []; // todo: need to apply defaults if null
this.dataBody = []; // todo: need to apply defaults if null
/* Property Set Methods */
this.setMonth = function(m) {
this.month = m;
}
this.setYear = function(y) {
this.year = y;
}
// [
// {
// name: "Sunday", // name of heading
// abbr: "Sun", // abbreviation of heading name
// index: 0 // index value, recommended (n=0, n+1 sequencing)
// },
// ];
this.setHeaders = function(c) {
this.dataHeaders = c;
}
// [
// {
// dayIndex: 0, // day of the week, e.g. 0-6 - this value should match the index of a set column
// weekIndex: 6, // week of the month, e.g. 1-6
// monthIndex: 31 // day of the month, e.g. 1-31
// },
// ];
this.setBody = function(d) {
this.dataBody = d;
}
this.empty = function() {
this.parentElement.empty();
}
this.setSize = function(w, h) {
if(w === undefined) { w = "100%"; }
if(h === undefined) { h = "100%"; }
this.parentElement.css({"width": w, "height": h})
}
this.deploy = function() {
this.buildCalendarView(this);
}
this.deploy_JSDate = function() {
this.getData_JSDate();
this.buildCalendarView(this);
}
/* "_JSDate" Methods
These methods will use the data set in the Calendar object properties to attempt to build out calendar information with JS Date object information.
*/
this.getData_JSDate = function() {
var data = BuildMonth_JSDate(this.dataHeaders, this.month, this.year);
this.month = data.month;
this.year = data.year;
this.setHeaders(data.monthOutline.columns);
this.setBody(data.monthOutline.data);
}
this.previous_JSDate = function() {
var currentSelection = new Date(this.year, this.month);
var previousMonth = currentSelection.addMonths(-1);
this.month = previousMonth.getMonth();
this.year = previousMonth.getFullYear();
this.deploy();
}
this.previousCount_JSDate = function(count) {
if(count === undefined || count == 1) { this.previous(); }
else {
var currentSelection = new Date(this.year, this.month);
var previousMonth = currentSelection.addMonths(-count);
this.month = previousMonth.getMonth();
this.year = previousMonth.getFullYear();
this.deploy();
}
}
this.next_JSDate = function() {
var currentSelection = new Date(this.year, this.month);
var nextMonth = currentSelection.addMonths(1);
this.month = nextMonth.getMonth();
this.year = nextMonth.getFullYear();
this.deploy();
}
this.nextCount_JSDate = function(count) {
if(count === undefined || count == 1) { this.previous(); }
else {
var currentSelection = new Date(this.year, this.month);
var nextMonth = currentSelection.addMonths(count);
this.month = nextMonth.getMonth();
this.year = nextMonth.getFullYear();
this.deploy();
}
}
/* HTML Builder Methods
These methods will use the data set in the Calendar obejct properties to generate html elements for creating a calendar view.
*/
this.buildCalendarView = function(calendar) {
var targetElement = $(".calendar-view");
if(targetElement.length){
targetElement.empty();
targetElement = $(".calendar-view");
}
else{
this.parentElement.append($("<div class=\"calendar-view\"></div>"));
targetElement = $(".calendar-view");
}
this.buildCalendarTitle(targetElement);
if(this.dataHeaders.length > 0) { this.buildCalendarHeaders(targetElement); }
if(this.dataBody.length > 0) {
var weekElements = this.buildCalendarWeeks(targetElement);
this.buildCalendarDays(calendar, weekElements);
}
}
this.buildCalendarTitle = function(e) {
e.append($("<div class=\"calendar-row calendar-title-row\"></div>"));
$(".calendar-title-row").append($("<div class=\"calendar-title calendar-year\"><span class=\"calendar-year-value\">" + this.year + "</span></div>"));
$(".calendar-title-row").append($("<div class=\"calendar-title calendar-month\"><span class=\"calendar-month-value\">" + GetMonthName_JSDate(this.month) +
"</span><span class=\"calendar-month-abbr\">" + GetMonthAbbr_JSDate(this.month) + "</span></div>"));
}
this.buildCalendarHeaders = function(e) {
e.append($("<div class=\"calendar-row calendar-header\"></div>"));
var headerRow = $(".calendar-header");
headerRow.empty();
this.dataHeaders.sort((a, b) => a.index - b.index);
var newHeaders = [];
$.each(this.dataHeaders, function(i, c) {
newHeaders[c.index] = "<div class=\"calendar-cell calendar-heading\"><span class=\"calendar-heading-value calendar-heading-" + c.index + "\">" + c.name +
"</span><span class=\"calendar-heading-abbr calendar-heading-" + c.index + "\">" + c.abbr + "</span></div>";
});
$.each(newHeaders, function(i, n) {
headerRow.append(n);
});
}
this.buildCalendarWeeks = function(e) {
var weekIndexList = [];
var weekElementList = [];
$.each(this.dataBody, function(i, day) {
if(weekIndexList.indexOf(day.weekIndex) != -1) { return; }
weekIndexList.push(day.weekIndex);
});
$.each(weekIndexList, function(i, weekIndex) {
var weekElement = $("<div class=\"calendar-row calendar-week\" data-week-index=\"" + weekIndex + "\"></div>");
e.append(weekElement);
weekElementList.push({element: weekElement, index: weekIndex});
});
weekElementList.sort((a, b) => a.index - b.index);
return weekElementList;
}
this.buildCalendarDays = function(calendar, weekList) {
$.each(weekList, function(i, week) {
// filter days out of dataBody that only match current week index
weekFilterDayList = [];
$.each(calendar.dataBody, function(i, day) {
if (day.weekIndex != week.index) { return; }
else { weekFilterDayList.push(day); }
});
weekFilterDayList.sort((a, b) => a.dayIndex - b.dayIndex);
// filter days out of weekFilterDayList that do not match currently set column headers
columnFilteredDayList = [];
$.each(calendar.dataHeaders, function(i, column) {
$.each(weekFilterDayList, function(i, day) {
if(day.dayIndex != column.index) { return; }
columnFilteredDayList.push(day);
});
});
columnFilteredDayList.sort((a, b) => a.dayIndex - b.dayIndex);
var firstDayPopulated = false;
var lastDayPopulated = false;
$.each(columnFilteredDayList, function(i, day) {
var lastDayInWeek = ($(columnFilteredDayList).get(-1) == day);
$.each(calendar.dataHeaders, function(j, column) {
var dayElement = "";
if(!firstDayPopulated) { dayElement = $("<div class=\"calendar-cell calendar-day disabled\"></div>"); }
if(day.dayIndex == column.index) {
dayElement = $("<div class=\"calendar-cell calendar-day\" tabindex=\"0\"><div class=\"calendar-day-value\"><span>" + day.monthIndex + "</span></div></div>");
week.element.append(dayElement);
firstDayPopulated = true;
if(lastDayInWeek) {
lastDayPopulated = true;
return;
}
return false;
}
if(lastDayPopulated) { dayElement = $("<div class=\"calendar-cell calendar-day disabled\"></div>"); }
week.element.append(dayElement);
});
});
});
}
}
Date.prototype.addDays = function(days) {
let date = new Date(this.valueOf());
date.setDate(date.getDate() + days);
return date;
}
Date.prototype.addMonths = function(months) {
let date = new Date(this.valueOf());
date.setMonth(date.getMonth() + months);
return date;
}
function GetMonthName_JSDate(monthNumber) {
var months = [
"January", "February", "March",
"April", "May", "June",
"July", "August", "September",
"October", "November", "December"
];
return months[monthNumber];
}
function GetMonthAbbr_JSDate(monthNumber) {
var months = [
"Jan", "Feb", "Mar",
"Apr", "May", "Jun",
"Jul", "Aug", "Sep",
"Oct", "Nov", "Dec"
];
return months[monthNumber];
}
function BuildMonth_JSDate(columns, m, y) {
if(columns === undefined || columns.length == 0) {
columns = [
{
name: "Sunday",
abbr: "Sun",
index: 0
},
{
name: "Monday",
abbr: "Mon",
index: 1
},
{
name: "Tuesday",
abbr: "Tue",
index: 2
},
{
name: "Wednesday",
abbr: "Wed",
index: 3
},
{
name: "Thursday",
abbr: "Thur",
index: 4
},
{
name: "Friday",
abbr: "Fri",
index: 5
},
{
name: "Saturday",
abbr: "Sat",
index: 6
},
];
}
var targetDate = new Date();
var year = targetDate.getFullYear();
var month = targetDate.getMonth();
if (m !== undefined) {
month = m;
if (y !== undefined) { year = y; }
}
targetDate = new Date(year, month);
data = [];
var weekIterationCount = 1
var dayCount = 1;
var stagingDate = new Date(year, month, dayCount);
while(targetDate.getMonth() == stagingDate.getMonth()) {
if(stagingDate.getDay() == 0 && stagingDate.getDate != 1) { weekIterationCount++; }
var day = {
dayIndex: stagingDate.getDay(),
weekIndex: weekIterationCount,
monthIndex: dayCount
};
data.push(day);
dayCount++
stagingDate.setDate(dayCount);
}
var monthOutline = {
columns: columns,
data: data,
};
var monthObj = {
year: year,
month: month,
monthOutline: monthOutline
};
return monthObj;
}
// Legacy Methods (used before incorporating methods into Calendar object)
// function GenerateMonthCalendarView(parentElement, m, y, columns, data) {
// var targetElement = $(".calendar-view");
// if(targetElement.length){
// targetElement.empty();
// targetElement = $(".calendar-view");
// }
// else{
// parentElement.append($("<div class=\"calendar-view\"></div>"));
// targetElement = $(".calendar-view");
// }
// AddTitleRow(targetElement, m, y);
// if(this.dataHeaders.length > 0) {
// AddHeaderRow(targetElement, columns);
// }
// if(this.dataBody.length > 0) {
// AddWeekRows(targetElement, columns, data);
// }
// }
// function AddTitleRow(parentElement, m, y) {
// parentElement.append($("<div class=\"calendar-row calendar-title-row\"></div>"));
// $(".calendar-title-row").append($("<div class=\"calendar-title calendar-year\"><span class=\"calendar-year-value\">" + y + "</span></div>"));
// $(".calendar-title-row").append($("<div class=\"calendar-title calendar-month\"><span class=\"calendar-month-value\">" + GetMonthName(m) + "</span><span class=\"calendar-month-abbr\">" + GetMonthAbbr(m) + "</span></div>"));
// }
// function AddHeaderRow(parentElement, columns) {
// parentElement.append($("<div class=\"calendar-row calendar-header\"></div>"));
// var headerRow = $(".calendar-header");
// headerRow.empty();
// columns.sort((a, b) => a.index - b.index);
// var newHeaders = [];
// $.each(columns, function(i, column) {
// newHeaders[column.index] = "<div class=\"calendar-cell calendar-heading\"><span class=\"calendar-heading-value calendar-heading-" + column.index + "\">" + column.name + "</span><span class=\"calendar-heading-abbr calendar-heading-" + column.index + "\">" + column.abbr + "</span></div>";
// });
// $.each(newHeaders, function(i, newHeader) {
// headerRow.append(newHeader);
// });
// }
// function AddWeekRows(parentElement, columns, data) {
// var weekIndexList = [];
// $.each(data, function(i, day) {
// if(weekIndexList.indexOf(day.weekIndex) != -1) {
// return;
// }
// weekIndexList.push(day.weekIndex);
// });
// $.each(weekIndexList, function(i, weekIndex) {
// var weekElement = $("<div class=\"calendar-row calendar-week calendar-week-" + weekIndex + "\" data-week-index=\"" + weekIndex + "\"></div>");
// parentElement.append(weekElement);
// dayList = [];
// $.each(data, function(i, day) {
// if(day.weekIndex != weekIndex) {
// return;
// }
// dayList.push(day);
// });
// dayList.sort((a, b) => a.dayIndex - b.dayIndex);
// AddDayCells(weekElement, columns, dayList);
// });
// }
// function AddDayCells(parentElement, columns, data) {
// filteredDayList = [];
// $.each(columns, function(i, column) {
// $.each(data, function(i, day) {
// if(day.dayIndex != column.index) {
// return;
// }
// filteredDayList.push(day);
// });
// filteredDayList.sort((a, b) => a.dayIndex - b.dayIndex);
// });
// var firstDayPopulated = false;
// var lastDayPopulated = false;
// $.each(filteredDayList, function(i, day) {
// var lastDayInWeek = ($(filteredDayList).get(-1) == day);
// $.each(columns, function(j, column) {
// var dayElement = "";
// if(!firstDayPopulated) {
// dayElement = $("<div class=\"calendar-cell calendar-day disabled\"></div>");
// }
// if(day.dayIndex == column.index) {
// dayElement = $("<div class=\"calendar-cell calendar-day\" tabindex=\"0\"><div class=\"calendar-day-value\"><span>" + day.monthIndex + "</span></div></div>");
// parentElement.append(dayElement);
// firstDayPopulated = true;
// if(lastDayInWeek) {
// lastDayPopulated = true;
// return;
// }
// return false;
// }
// if(lastDayPopulated) {
// dayElement = $("<div class=\"calendar-cell calendar-day disabled\"></div>");
// }
// parentElement.append(dayElement);
// });
// });
// }