302 lines
10 KiB
JavaScript
302 lines
10 KiB
JavaScript
/**
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* Calendar Script
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* Creates a calendar widget which can be used to select the date more easily than using just a text box
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*
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* Original: http://www.openjs.com/scripts/ui/calendar/
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* Modified: http://svn.yourcmc.ru/viewvc.py/vitaphoto/js/{util.js,calendar.js,calendar.css}
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* (uses addListener() and getOffset() from util.js)
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* Version: 2017-05-03
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* License: MIT-like, http://www.openjs.com/license.php
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*
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* Example:
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* <input type="text" name="date" id="date" />
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* <script type="text/javascript">
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* Calendar.set("date");
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* </script>
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*/
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if (!window.Calendar) {
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window.Calendar = {
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// Configuration:
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month_names: ["Январь","Февраль","Март","Апрель","Май","Июнь","Июль","Август","Сентябрь","Октябрь","Ноябрь","Декабрь"],
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close_label: 'Закрыть',
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weekdays: ["Пн","Вт","Ср","Чт","Пт","Сб","Вс"],
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sunday: 6,
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selectboxes: false, // true: use selectboxes for year and month, false: show months and years in table
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years: {min: -70, max: 10}, // range of displayed years if selectboxes==true
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format: 'd.m.Y', // either d.m.Y or Y-m-d, other formats are not supported
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// State variables:
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month_days: [31,28,31,30,31,30,31,31,30,31,30,31],
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// Today's date
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today: new Date(),
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// Selected date
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selected: new Date(),
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opt: {},
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data: [],
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addedListener: false,
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//Functions
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/// Used to create HTML in a optimized way.
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wrt:function(txt) {
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this.data.push(txt);
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},
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fin:function() {
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this.wrt("<a class='calendar-cancel' onclick='Calendar.hideCalendar();'>"+this.close_label+"</a>");
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document.getElementById(this.opt['calendar']).innerHTML = this.data.join("");
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this.data = [];
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},
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/// Called when the user clicks on a date in the calendar.
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selectDate:function(year,month,day) {
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var i = this.opt["input"];
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var t = i.value.split(/\s+/, 2)[1]||'';
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if (t)
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t = ' '+t;
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i.value = (this.format == 'Y-m-d' ? year + '-' + month + '-' + day : day + '.' + month + '.' + year) + t;
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this.hideCalendar();
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},
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showMonths:function(year, month) {
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var cur_y = this.today.getFullYear();
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var cur_m = this.today.getMonth();
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var sel_m = this.selected.getFullYear() == year ? this.selected.getMonth() : -1;
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this.wrt("<table>");
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this.wrt("<tr><th colspan='4' class='calendar-title'><a href='javascript:Calendar.showMonths("+(year-1)+")' title='"+(year-1)+"' class='prev'></a>");
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this.wrt(" <a href='javascript:Calendar.showYears("+year+")'>"+year+"</a>");
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this.wrt(" <a href='javascript:Calendar.showMonths("+(year+1)+")' title='"+(year+1)+"' class='next'></a></th></tr>");
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this.wrt("<tr>");
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for (var i in this.month_names) {
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if (i && !(i % 3))
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this.wrt("</tr><tr>");
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var class_name = (year < cur_y || year == cur_y && i < cur_m ? 'past' :
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(year > cur_y || year == cur_y && i > cur_m ? 'future' : 'today'))
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+ (i == sel_m ? ' selected' : '');
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this.wrt("<td class='months "+class_name+"'><a href='javascript:Calendar.makeCalendar("+year+","+i+")'>"+this.month_names[i]+"</a></td>");
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}
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this.wrt("</tr>");
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this.wrt("</table>");
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this.fin();
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},
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showYears:function(year) {
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var beg = year & ~15;
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var cur_y = this.today.getFullYear();
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var sel_y = this.selected.getFullYear();
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this.wrt("<table>");
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this.wrt("<tr><th colspan='4' class='calendar-title'>");
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this.wrt(" <a href='javascript:Calendar.showYears("+(year-16)+");' title='"+(beg-16)+" - "+(beg-1)+"' class='prev'></a>");
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this.wrt(" <b>"+beg+" - "+(beg+15)+"</b>");
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this.wrt(" <a href='javascript:Calendar.showYears("+(year+16)+");' title='"+(beg+16)+" - "+(beg+31)+"' class='next'></a>");
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this.wrt("</th></tr>");
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this.wrt("<tr>");
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for (var i = 0; i < 16; i++) {
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if (i && !(i % 4))
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this.wrt("</tr><tr>");
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var class_name = (beg+i < cur_y ? 'past' : (beg+i > cur_y ? 'future' : 'today'))
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+ (beg+i == sel_y ? ' selected' : '');
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this.wrt("<td class='years "+class_name+"'><a href='javascript:Calendar.showMonths("+(beg+i)+")'>"+(beg+i)+"</a></td>");
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}
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this.wrt("</tr>");
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this.wrt("</table>");
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this.fin();
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},
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/// Creates a calendar with the date given in the argument as the selected date.
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makeCalendar:function(year, month) {
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// Display the table
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var next_month = month+1;
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var next_month_year = year;
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if (next_month >= 12) {
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next_month = 0;
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next_month_year++;
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}
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var previous_month = month-1;
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var previous_month_year = year;
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if (previous_month < 0) {
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previous_month = 11;
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previous_month_year--;
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}
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var current_year = this.today.getFullYear();
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this.wrt("<table>");
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this.wrt("<tr><th colspan='7' class='calendar-title'><a href='javascript:Calendar.makeCalendar("+previous_month_year+","+previous_month+");' title='"+this.month_names[previous_month]+" "+(previous_month_year)+"' class='prev'></a>");
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if (!this.selectboxes) {
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this.wrt(" <a href='javascript:Calendar.showMonths("+year+", "+month+")'>"+this.month_names[month]+"</a>");
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this.wrt(" <a href='javascript:Calendar.showYears("+year+")'>"+year+"</a>");
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} else {
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this.wrt(" <select name='calendar-month' class='calendar-month' onChange='Calendar.makeCalendar("+year+",this.value);'>");
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for (var i in this.month_names) {
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this.wrt("<option value='"+i+"'");
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if (i == month) this.wrt(" selected='selected'");
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this.wrt(">"+this.month_names[i]+"</option>");
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}
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this.wrt("</select>");
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this.wrt("<select name='calendar-year' class='calendar-year' onChange='Calendar.makeCalendar(this.value, "+month+");'>");
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for (var i = current_year+this.years.min; i < current_year+this.years.max; i++) {
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this.wrt("<option value='"+i+"'")
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if (i == year) this.wrt(" selected='selected'");
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this.wrt(">"+i+"</option>");
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}
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this.wrt("</select>");
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}
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this.wrt(" <a href='javascript:Calendar.makeCalendar("+next_month_year+","+next_month+");' title='"+this.month_names[next_month]+" "+next_month_year+"' class='next'></a></th></tr>");
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this.wrt("<tr class='header'>");
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for (var weekday = 0; weekday < 7; weekday++)
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this.wrt("<td>"+this.weekdays[weekday]+"</td>");
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this.wrt("</tr>");
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// Get the first day of this month
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var first_day = new Date(year,month,1);
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var start_day = (first_day.getDay()+Calendar.sunday)%7;
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var d = 1;
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var flag = 0;
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// Leap year support
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if (!(year % 4) && ((year % 100) || !(year % 400)))
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this.month_days[1] = 29;
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else
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this.month_days[1] = 28;
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var days_in_this_month = this.month_days[month];
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// Create the calendar
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var yea = this.today.getFullYear();
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var all_diff = (year - yea) || (month - this.today.getMonth());
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var sel_day = year == this.selected.getFullYear() && month == this.selected.getMonth() ? this.selected.getDate() : -1;
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for (var i = 0; i <= 5; i++) {
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if (w >= days_in_this_month)
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break;
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this.wrt("<tr>");
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for (var j = 0; j < 7; j++) {
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if (d > days_in_this_month)
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flag = 0; // If the days has overshooted the number of days in this month, stop writing
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else if (j >= start_day && !flag)
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flag = 1; // If the first day of this month has come, start the date writing
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if (flag) {
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var w = d, mon = month+1;
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if (w < 10)
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w = "0" + w;
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if (mon < 10)
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mon = "0" + mon;
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// Is it today?
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var class_name = '';
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var diff = all_diff || (d - this.today.getDate());
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if (diff < 0)
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class_name = ' past';
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else if (!diff)
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class_name = ' today';
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else
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class_name = ' future';
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if (d == sel_day)
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class_name += ' selected';
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class_name += " " + this.weekdays[j].toLowerCase();
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this.wrt("<td class='days"+class_name+"'><a href='javascript:Calendar.selectDate(\""+year+"\",\""+mon+"\",\""+w+"\")'>"+d+"</a></td>");
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d++;
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}
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else
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this.wrt("<td class='days'> </td>");
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}
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this.wrt("</tr>");
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}
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this.wrt("</table>");
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this.fin();
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},
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/// Display the calendar - if a date exists in the input box, that will be selected in the calendar.
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showCalendar: function() {
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var input = this.opt['input'];
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//Position the div in the correct location...
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var div = document.getElementById(this.opt['calendar']);
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var xy = getOffset(input);
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var width = input.clientWidth||input.offsetWidth;
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var height = input.clientHeight||input.offsetHeight;
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div.style.left = (xy.left-1)+"px";
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div.style.top = (xy.top+height-1)+"px";
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// Show the calendar with the date in the input as the selected date
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this.selected = new Date();
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var date_in_input = input.value.replace(/\s+.*$/, ''); //Remove time
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if(date_in_input) {
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// date format is HARDCODE
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var selected_date = false;
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var date_parts = date_in_input.split("-");
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if (date_parts.length == 3) {
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// Y-m-d
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date_parts[1]--; //Month starts with 0
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selected_date = new Date(date_parts[0], date_parts[1], date_parts[2]);
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} else if (date_parts.length == 1) {
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date_parts = date_in_input.split('.');
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if (date_parts.length == 3) {
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// d.m.Y
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date_parts[1]--; //Month starts with 0
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selected_date = new Date(date_parts[2], date_parts[1], date_parts[0]);
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}
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}
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if (selected_date && !isNaN(selected_date.getFullYear())) { //Valid date.
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this.selected = selected_date;
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}
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}
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this.makeCalendar(this.selected.getFullYear(), this.selected.getMonth());
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document.getElementById(this.opt['calendar']).style.display = "block";
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},
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/// Hides the currently show calendar.
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hideCalendar: function() {
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document.getElementById(this.opt['calendar']).style.display = "none";
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},
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/// Setup a text input box to be a calendar box.
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set: function(input_or_id) {
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if (typeof input_or_id == 'string')
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input_or_id = document.getElementById(input_or_id);
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if (!input_or_id)
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return; // If the input field is not there, exit.
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if (!Calendar.opt['calendar'] || !document.getElementById(Calendar.opt['calendar']))
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Calendar.init();
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addListener(input_or_id, 'focus', function(ev) {
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Calendar.opt['input'] = this;
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Calendar.showCalendar();
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});
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},
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/// Will be called once when the first input is set.
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init: function() {
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if(!this.opt['calendar'] || !document.getElementById(this.opt['calendar'])) {
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var div = document.createElement('div');
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if(!this.opt['calendar'])
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this.opt['calendar'] = 'calender_div_'+ Math.round(Math.random() * 100);
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div.setAttribute('id',this.opt['calendar']);
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div.className="calendar-box";
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addListener(div, "mousedown", function(ev) {
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ev = ev || window.event;
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if (ev.stopPropagation)
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ev.stopPropagation();
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else
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ev.cancelBubble = true;
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return true;
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});
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document.getElementsByTagName("body")[0].insertBefore(div,document.getElementsByTagName("body")[0].firstChild);
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if (!Calendar.addedListener) {
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addListener(document, "mousedown", function() { Calendar.hideCalendar(); });
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Calendar.addedListener = true;
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}
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}
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}
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}
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}
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