m-smslen.js

var charset7bit = ['@', '£', '$', '¥', 'è', 'é', 'ù', 'ì', 'ò', 'Ç', "\n", 'Ø', 'ø', "\r", 'Å', 'å', 'Δ', '_', 'Φ', 'Γ', 'Λ', 'Ω', 'Π', 'Ψ', 'Σ', 'Θ', 'Ξ', 'Æ', 'æ', 'ß', 'É', ' ', '!', '"', '#', '¤', '%', '&', "'", '(', ')', '*', '+', ',', '-', '.', '/', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ':', ';', '<', '=', '>', '?', '¡', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'Ä', 'Ö', 'Ñ', 'Ü', '§', '¿', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 'ä', 'ö', 'ñ', 'ü', 'à'];
var charset7bitext = ["\f", '^', '{', '}', '\\', '[', '~', ']', '|', '€'];
var udh_template = '<span class="udh"><span class="udh-total-length" title="UDH length">0x05</span><span class="udh-multipart-header" title="UDH header - Multipart SMS">0x00</span><span class="udh-multipart-length" title="Multipart SMS - UDH length">0x03</span><span class="udh-multipart-id" title="Multipart SMS - Unique ID">0x0a</span><span class="udh-total" title="Multipart SMS - Total number of parts"></span><span class="udh-part" title="Multipart SMS - Part order"></span></span>';

function charToSpan(chr, coding) {
	ret = '';
	clss = '';
	if (coding == '7bit') {
		clss = 'c7b';
		if (charset7bitext.indexOf(chr) >= 0) {
			ret = '<span class="c7eb">ESC</span>';
		}
	}
	if (coding == '16bit') {
		clss = 'c16b';
		if (charset7bit.indexOf(chr) == -1 && charset7bitext.indexOf(chr) == -1) {
			clss = clss + ' c16bf';
		}
	}
	if (chr == ' ') return ret + '<span class="' + clss + '">&nbsp;</span>';
	if (chr == "\n") return ret + '<span class="' + clss + ' c7eb">LF</span>';
	if (chr == "\r") return ret + '<span class="' + clss + ' c7eb">CR</span>';
	return ret + '<span class="' + clss + '">' + chr + '</span>';
}

function getUHDHtml(parts, part) {
	var udh = $(udh_template);
	if (parts < 15) {
		udh.find('.udh-total').html('0x0'+parts.toString(16));
	} else {
		udh.find('.udh-total').html('0x'+parts.toString(16));
	}
	if (part < 15) {
		udh.find('.udh-part').html('0x0'+part.toString(16));
	} else {
		udh.find('.udh-part').html('0x'+part.toString(16));
	}
	return udh;
}

function updateSmsLength() {
	var content = $('#sms-text').val();
	var chars_arr = content.split("");
	var coding = '7bit';
	var parts = 1;
	var part = 1;
	var chars_used = 0;
	var chars_sms = 160;
	
	for (i = 0; i < chars_arr.length; i++) {
		if (charset7bit.indexOf(chars_arr[i]) >= 0) {
			chars_used = chars_used + 1;
		} else if (charset7bitext.indexOf(chars_arr[i]) >= 0) {
			chars_used = chars_used + 2;
		} else {
			coding = '16bit';
			chars_used = chars_arr.length;
			break;
		}
	}

	$('#sms-parts-container').html('');
	if (coding == '7bit') {
		if (chars_used > 160) {
			
			var parts = Math.ceil(chars_used / 153);
			var part_chars_used = 7;
			chars_sms = 153;
			
			var partc = $('<div class="sms-part"></div>');
			partc.append(getUHDHtml(parts, part));
			
			for (i = 0; i < chars_arr.length; i++) {

				if (part_chars_used + 1 > 160) {
					part = part + 1;
					part_chars_used = 7;
					$('#sms-parts-container').append(partc);
					var partc = $('<div class="sms-part"></div>');
					partc.append(getUHDHtml(parts, part));
				}
				if (charset7bitext.indexOf(chars_arr[i]) >= 0 && part_chars_used + 2 > 160) {
					part = part + 1;
					part_chars_used = 7;
					$('#sms-parts-container').append(partc);
					var partc = $('<div class="sms-part"></div>');
					partc.append(getUHDHtml(parts, part));
				}
				partc.append($(charToSpan(chars_arr[i], coding)));
				if (charset7bitext.indexOf(chars_arr[i]) == -1) {
					part_chars_used = part_chars_used + 1;
				} else {
					part_chars_used = part_chars_used + 2;
				}
			}
		} else {
			chars_sms = 160;
			var partc = $('<div class="sms-part"></div>');
			for (i = 0; i < chars_arr.length; i++) {
				partc.append($(charToSpan(chars_arr[i], coding)));
			}
		}
		
	} else {
		
		if (chars_used > 70) {
			var parts = Math.ceil(chars_used / 67);
			var part_chars_used = 3;
			chars_sms = 67;
			
			var partc = $('<div class="sms-part"></div>');
			partc.append(getUHDHtml(parts, part));
			
			for (i = 0; i < chars_arr.length; i++) {
				if (part_chars_used + 1 > 70) {
					part = part + 1;
					$('#sms-parts-container').append(partc);
					var partc = $('<div class="sms-part"></div>');
					partc.append(getUHDHtml(parts, part));
					part_chars_used = 3;
				}
				partc.append($(charToSpan(chars_arr[i], coding)));
				part_chars_used = part_chars_used + 1;
			}
		} else {
			chars_sms = 70;
			var partc = $('<div class="sms-part"></div>');
			for (i = 0; i < chars_arr.length; i++) {
				partc.append($(charToSpan(chars_arr[i], coding)));
			}
		}
		
	}
	
	$('#sms-parts-container').append(partc);
	
	if (coding == '7bit') {
		$('#smslc-encoding').html('7bit');
	} else {
		$('#smslc-encoding').html('Unicode');
	}
	$('#smslc-parts').html(parts);
	$('#smslc-characters-sms').html(chars_sms);
	$('#smslc-characters').html(chars_used);
}

var updateTimer = null;

$('#sms-text').keyup(function(ev) {
	
	clearTimeout(updateTimer);
	updateTimer = setTimeout(function(){
		updateSmsLength();
	},100);
	
});