jappixmini: include jappix source

jappixmini/jappix/js/date.js

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+/*
+
+Jappix - An open social platform
+These are the date related JS scripts for Jappix
+
+-------------------------------------------------
+
+License: AGPL
+Author: Vanaryon
+Last revision: 17/08/11
+
+*/
+
+// Gets a stamp from a date
+function extractStamp(date) {
+	return Math.round(date.getTime() / 1000);
+}
+
+// Gets the time from a date
+function extractTime(date) {
+	return date.toLocaleTimeString();
+}
+
+// Gets the actual date stamp
+function getTimeStamp() {
+	return extractStamp(new Date());
+}
+
+// Gets the last user activity in seconds
+var LAST_ACTIVITY = 0;
+
+function getLastActivity() {
+	// Last activity not yet initialized?
+	if(LAST_ACTIVITY == 0)
+		return 0;
+	
+	return getTimeStamp() - LAST_ACTIVITY;
+}
+
+// Gets the last user available presence in seconds
+var PRESENCE_LAST_ACTIVITY = 0;
+
+function getPresenceLast() {
+	// Last presence stamp not yet initialized?
+	if(PRESENCE_LAST_ACTIVITY == 0)
+		return 0;
+	
+	return getTimeStamp() - PRESENCE_LAST_ACTIVITY;
+}
+
+// Generates the time for XMPP
+function getXMPPTime(location) {
+	/* FROM : http://trac.jwchat.org/jsjac/browser/branches/jsjac_1.0/jsextras.js?rev=221 */
+	
+	// Initialize
+	var jInit = new Date();
+	var year, month, day, hours, minutes, seconds;
+	
+	// Gets the UTC date
+	if(location == 'utc') {
+		year = jInit.getUTCFullYear();
+		month = jInit.getUTCMonth();
+		day = jInit.getUTCDate();
+		hours = jInit.getUTCHours();
+		minutes = jInit.getUTCMinutes();
+		seconds = jInit.getUTCSeconds();
+	}
+	
+	// Gets the local date
+	else {
+		year = jInit.getFullYear();
+		month = jInit.getMonth();
+		day = jInit.getDate();
+		hours = jInit.getHours();
+		minutes = jInit.getMinutes();
+		seconds = jInit.getSeconds();
+	}
+	
+	// Generates the date string
+	var jDate = year + '-';
+	jDate += padZero(month + 1) + '-';
+	jDate += padZero(day) + 'T';
+	jDate += padZero(hours) + ':';
+	jDate += padZero(minutes) + ':';
+	jDate += padZero(seconds) + 'Z';
+	
+	// Returns the date string
+	return jDate;
+}
+
+// Generates then human time
+function getCompleteTime() {
+	var init = new Date();
+	var time = padZero(init.getHours()) + ':';
+	time += padZero(init.getMinutes()) + ':';
+	time += padZero(init.getSeconds());
+	
+	return time;
+}
+
+// Gets the TZO of a date
+function getDateTZO() {
+	// Get the date
+	var date = new Date();
+	var offset = date.getTimezoneOffset();
+	
+	// Default vars
+	var sign = '';
+	var hours = 0;
+	var minutes = 0;
+	
+	// Process a neutral offset
+	if(offset < 0) {
+		offset = offset * -1;
+		sign = '+';
+	}
+	
+	// Get the values
+	var n_date = new Date(offset * 60 * 1000);
+	hours = n_date.getHours() - 1;
+	minutes = n_date.getMinutes();
+	
+	// Process the TZO
+	tzo = sign + padZero(hours) + ':' + padZero(minutes);
+	
+	// Return the processed value
+	return tzo;
+}
+
+// Parses a XMPP date (yyyy-mm-dd, hh-mm-ss) into an human-readable one
+function parseDate(to_parse) {
+	var date = Date.jab2date(to_parse);
+	var parsed = date.toLocaleDateString() + ' (' + date.toLocaleTimeString() + ')';
+	
+	return parsed; 
+}
+
+// Parses a XMPP date (yyyy-mm-dd) into an human-readable one
+function parseDay(to_parse) {
+	var date = Date.jab2date(to_parse);
+	var parsed = date.toLocaleDateString();
+	
+	return parsed; 
+}
+
+// Parses a XMPP date (hh-mm-ss) into an human-readable one
+function parseTime(to_parse) {
+	var date = Date.jab2date(to_parse);
+	var parsed = date.toLocaleTimeString();
+	
+	return parsed; 
+}
+
+// Parses a XMPP date stamp into a relative one
+function relativeDate(to_parse) {
+	// Get the current date
+	var current_date = Date.jab2date(getXMPPTime('utc'));
+	var current_day = current_date.getDate();
+	var current_stamp = current_date.getTime();
+	
+	// Parse the given date
+	var old_date = Date.jab2date(to_parse);
+	var old_day = old_date.getDate();
+	var old_stamp = old_date.getTime();
+	var old_time = old_date.toLocaleTimeString();
+	
+	// Get the day number between the two dates
+	var days = Math.round((current_stamp - old_stamp) / 86400000);
+	
+	// Invalid date?
+	if(isNaN(old_stamp) || isNaN(days))
+		return getCompleteTime();
+	
+	// Is it today?
+	if(current_day == old_day)
+		return old_time;
+	
+	// It is yesterday?
+	if(days <= 1)
+		return _e("Yesterday") + ' - ' + old_time;
+	
+	// Is it less than a week ago?
+	if(days <= 7)
+		return printf(_e("%s days ago"), days) + ' - ' + old_time;
+	
+	// Another longer period
+	return old_date.toLocaleDateString() + ' - ' + old_time;
+}
+
+// Reads a message delay
+function readMessageDelay(node) {
+	// Initialize
+	var delay, d_delay;
+	
+	// Read the delay
+	d_delay = jQuery(node).find('delay[xmlns=' + NS_URN_DELAY + ']:first').attr('stamp');
+	
+	// New delay (valid XEP)
+	if(d_delay)
+		delay = d_delay;
+	
+	// Old delay (obsolete XEP!)
+	else {
+		// Try to read the old-school delay
+		var x_delay = jQuery(node).find('x[xmlns=' + NS_DELAY + ']:first').attr('stamp');
+		
+		if(x_delay)
+			delay = x_delay.replace(/^(\w{4})(\w{2})(\w{2})T(\w{2}):(\w{2}):(\w{2})Z?(\S+)?/, '$1-$2-$3T$4:$5:$6Z$7');
+	}
+	
+	return delay;
+}