GZ/nwyj/.svn/pristine/96/96314445b98aed86a7ac5a6c587b4f7f2b10976f.svn-base

if (!dojo._hasResource["dojox.dtl.filter.strings"]) { // _hasResource checks
														// added by build. Do
														// not use _hasResource
														// directly in your
														// code.
	dojo._hasResource["dojox.dtl.filter.strings"] = true;
	dojo.provide("dojox.dtl.filter.strings");

	dojo.require("dojox.dtl.filter.htmlstrings");
	dojo.require("dojox.string.sprintf");
	dojo.require("dojox.string.tokenize");

	dojo.mixin(dojox.dtl.filter.strings, {
		addslashes : function(value) {
			// summary: Adds slashes - useful for passing strings to JavaScript,
			// for example.
			return value.replace(/\\/g, "\\\\").replace(/"/g, '\\"').replace(
					/'/g, "\\'");
		},
		capfirst : function(value) {
			// summary: Capitalizes the first character of the value
			value = "" + value;
			return value.charAt(0).toUpperCase() + value.substring(1);
		},
		center : function(value, arg) {
			// summary: Centers the value in a field of a given width
			arg = arg || value.length;
			value = value + "";
			var diff = arg - value.length;
			if (diff % 2) {
				value = value + " ";
				diff -= 1;
			}
			for (var i = 0; i < diff; i += 2) {
				value = " " + value + " ";
			}
			return value;
		},
		cut : function(value, arg) {
			// summary: Removes all values of arg from the given string
			arg = arg + "" || "";
			value = value + "";
			return value.replace(new RegExp(arg, "g"), "");
		},
		_fix_ampersands : /&(?!(\w+|#\d+);)/g,
		fix_ampersands : function(value) {
			// summary: Replaces ampersands with ``&amp;`` entities
			return value.replace(dojox.dtl.filter.strings._fix_ampersands,
					"&amp;");
		},
		floatformat : function(value, arg) {
			// summary: Format a number according to arg
			// description:
			// If called without an argument, displays a floating point
			// number as 34.2 -- but only if there's a point to be displayed.
			// With a positive numeric argument, it displays that many decimal
			// places
			// always.
			// With a negative numeric argument, it will display that many
			// decimal
			// places -- but only if there's places to be displayed.
			arg = parseInt(arg || -1);
			value = parseFloat(value);
			var m = value - value.toFixed(0);
			if (!m && arg < 0) {
				return value.toFixed();
			}
			value = value.toFixed(Math.abs(arg));
			return (arg < 0) ? parseFloat(value) + "" : value;
		},
		iriencode : function(value) {
			return dojox.dtl.text.urlquote(value, "/#%[]=:;$&()+,!");
		},
		linenumbers : function(value) {
			// summary: Displays text with line numbers
			var df = dojox.dtl.filter;
			var lines = value.split("\n");
			var output = [];
			var width = (lines.length + "").length;
			for (var i = 0, line; i < lines.length; i++) {
				line = lines[i];
				output.push(df.strings.ljust(i + 1, width) + ". "
						+ df.htmlstrings.escape(line));
			}
			return output.join("\n");
		},
		ljust : function(value, arg) {
			value = value + "";
			arg = parseInt(arg);
			while (value.length < arg) {
				value = value + " ";
			}
			return value;
		},
		lower : function(value) {
			// summary: Converts a string into all lowercase
			return (value + "").toLowerCase();
		},
		make_list : function(value) {
			// summary:
			// Returns the value turned into a list. For an integer, it's a list
			// of
			// digits. For a string, it's a list of characters.
			var output = [];
			if (typeof value == "number") {
				value = value + "";
			}
			if (value.charAt) {
				for (var i = 0; i < value.length; i++) {
					output.push(value.charAt(i));
				}
				return output;
			}
			if (typeof value == "object") {
				for (var key in value) {
					output.push(value[key]);
				}
				return output;
			}
			return [];
		},
		rjust : function(value, arg) {
			value = value + "";
			arg = parseInt(arg);
			while (value.length < arg) {
				value = " " + value;
			}
			return value;
		},
		slugify : function(value) {
			// summary: Converts to lowercase, removes
			// non-alpha chars and converts spaces to hyphens
			value = value.replace(/[^\w\s-]/g, "").toLowerCase();
			return value.replace(/[\-\s]+/g, "-");
		},
		_strings : {},
		stringformat : function(value, arg) {
			// summary:
			// Formats the variable according to the argument, a string
			// formatting specifier.
			// This specifier uses Python string formating syntax, with the
			// exception that
			// the leading "%" is dropped.
			arg = "" + arg;
			var strings = dojox.dtl.filter.strings._strings;
			if (!strings[arg]) {
				strings[arg] = new dojox.string.sprintf.Formatter("%" + arg);
			}
			return strings[arg].format(value);
		},
		title : function(value) {
			// summary: Converts a string into titlecase
			var last, title = "";
			for (var i = 0, current; i < value.length; i++) {
				current = value.charAt(i);
				if (last == " " || last == "\n" || last == "\t" || !last) {
					title += current.toUpperCase();
				} else {
					title += current.toLowerCase();
				}
				last = current;
			}
			return title;
		},
		_truncatewords : /[ \n\r\t]/,
		truncatewords : function(value, arg) {
			// summary: Truncates a string after a certain number of words
			// arg: Integer
			// Number of words to truncate after
			arg = parseInt(arg);
			if (!arg) {
				return value;
			}

			for (var i = 0, j = value.length, count = 0, current, last; i < value.length; i++) {
				current = value.charAt(i);
				if (dojox.dtl.filter.strings._truncatewords.test(last)) {
					if (!dojox.dtl.filter.strings._truncatewords.test(current)) {
						++count;
						if (count == arg) {
							return value.substring(0, j + 1);
						}
					}
				} else if (!dojox.dtl.filter.strings._truncatewords
						.test(current)) {
					j = i;
				}
				last = current;
			}
			return value;
		},
		_truncate_words : /(&.*?;|<.*?>|(\w[\w-]*))/g,
		_truncate_tag : /<(\/)?([^ ]+?)(?: (\/)| .*?)?>/,
		_truncate_singlets : {
			br : true,
			col : true,
			link : true,
			base : true,
			img : true,
			param : true,
			area : true,
			hr : true,
			input : true
		},
		truncatewords_html : function(value, arg) {
			arg = parseInt(arg);

			if (arg <= 0) {
				return "";
			}

			var strings = dojox.dtl.filter.strings;
			var words = 0;
			var open = [];

			var output = dojox.string.tokenize(value, strings._truncate_words,
					function(all, word) {
						if (word) {
							// It's an actual non-HTML word
							++words;
							if (words < arg) {
								return word;
							} else if (words == arg) {
								return word + " ...";
							}
						}
						// Check for tag
						var tag = all.match(strings._truncate_tag);
						if (!tag || words >= arg) {
							// Don't worry about non tags or tags after our
							// truncate point
							return;
						}
						var closing = tag[1];
						var tagname = tag[2].toLowerCase();
						var selfclosing = tag[3];
						if (closing || strings._truncate_singlets[tagname]) {
						} else if (closing) {
							var i = dojo.indexOf(open, tagname);
							if (i != -1) {
								open = open.slice(i + 1);
							}
						} else {
							open.unshift(tagname);
						}
						return all;
					}).join("");

			output = output.replace(/\s+$/g, "");

			for (var i = 0, tag; tag = open[i]; i++) {
				output += "</" + tag + ">";
			}

			return output;
		},
		upper : function(value) {
			return value.toUpperCase();
		},
		urlencode : function(value) {
			return dojox.dtl.text.urlquote(value);
		},
		_urlize : /^((?:[(>]|&lt;)*)(.*?)((?:[.,)>\n]|&gt;)*)$/,
		_urlize2 : /^\S+@[a-zA-Z0-9._-]+\.[a-zA-Z0-9._-]+$/,
		urlize : function(value) {
			return dojox.dtl.filter.strings.urlizetrunc(value);
		},
		urlizetrunc : function(value, arg) {
			arg = parseInt(arg);
			return dojox.string.tokenize(value, /(\S+)/g, function(word) {
				var matches = dojox.dtl.filter.strings._urlize.exec(word);
				if (!matches) {
					return word;
				}
				var lead = matches[1];
				var middle = matches[2];
				var trail = matches[3];

				var startsWww = middle.indexOf("www.") == 0;
				var hasAt = middle.indexOf("@") != -1;
				var hasColon = middle.indexOf(":") != -1;
				var startsHttp = middle.indexOf("http://") == 0;
				var startsHttps = middle.indexOf("https://") == 0;
				var firstAlpha = /[a-zA-Z0-9]/.test(middle.charAt(0));
				var last4 = middle.substring(middle.length - 4);

				var trimmed = middle;
				if (arg > 3) {
					trimmed = trimmed.substring(0, arg - 3) + "...";
				}

				if (startsWww
						|| (!hasAt && !startsHttp && middle.length
								&& firstAlpha && (last4 == ".org"
								|| last4 == ".net" || last4 == ".com"))) {
					return '<a href="http://' + middle + '" rel="nofollow">'
							+ trimmed + '</a>';
				} else if (startsHttp || startsHttps) {
					return '<a href="' + middle + '" rel="nofollow">' + trimmed
							+ '</a>';
				} else if (hasAt && !startsWww && !hasColon
						&& dojox.dtl.filter.strings._urlize2.test(middle)) {
					return '<a href="mailto:' + middle + '">' + middle + '</a>';
				}
				return word;
			}).join("");
		},
		wordcount : function(value) {
			return dojox.dtl.text.pySplit(value).length;
		},
		wordwrap : function(value, arg) {
			arg = parseInt(arg);
			// summary: Wraps words at specified line length
			var output = [];
			var parts = value.split(/ /g);
			if (parts.length) {
				var word = parts.shift();
				output.push(word);
				var pos = word.length - word.lastIndexOf("\n") - 1;
				for (var i = 0; i < parts.length; i++) {
					word = parts[i];
					if (word.indexOf("\n") != -1) {
						var lines = word.split(/\n/g);
					} else {
						var lines = [word];
					}
					pos += lines[0].length + 1;
					if (arg && pos > arg) {
						output.push("\n");
						pos = lines[lines.length - 1].length;
					} else {
						output.push(" ");
						if (lines.length > 1) {
							pos = lines[lines.length - 1].length;
						}
					}
					output.push(word);
				}
			}
			return output.join("");
		}
	});

}