Shuo/client/js/jquery.plugins.js

534 lines
12 KiB
JavaScript

/*!
* stickyscroll
* https://github.com/erming/stickyscroll
*
* Copyright (c) 2014 Mattias Erming <mattias@mattiaserming.com>
* Licensed under the MIT License.
*
* Version 1.3.1
*/
(function($) {
$.fn.sticky = function(options) {
var settings = $.extend({
disableManualScroll: false,
overflow: 'auto',
scrollToBottom: true,
speed: 0
}, options);
var self = this;
if (self.size() > 1) {
return self.each(function() {
$(this).sticky(options);
});
}
self.css('overflow-y', settings.overflow);
self.css('-webkit-overflow-scrolling', 'touch');
if (settings.scrollToBottom) {
self.scrollToBottom();
}
var resizeTimer;
var resizing = false;
$(window).on('resize', function() {
self.finish();
// This will prevent the scroll event from triggering
// while resizing the browser.
resizing = true;
clearTimeout(resizeTimer);
resizeTimer = setTimeout(function() {
resizing = false;
}, 100);
if (sticky) {
self.scrollToBottom();
}
});
var scrollTimer;
var sticky = true;
self.on('scroll', function() {
if (settings.disableManualScroll) {
self.scrollToBottom();
} else if (!resizing) {
clearTimeout(scrollTimer);
scrollTimer = setTimeout(function() {
sticky = self.isScrollAtBottom();
}, 50);
}
});
self.trigger('scroll');
self.on('prepend append', function() {
if (sticky) {
self.scrollToBottom(settings.speed);
}
});
return this;
};
// Normally, these functions won't trigger any events.
// Lets override them.
var events = ['prepend', 'append'];
$.each(events, function(i, e) {
var fn = $.fn[e];
$.fn[e] = function() {
return fn.apply(this, arguments).trigger(e);
};
});
$.fn.isScrollAtBottom = function() {
if ((this.scrollTop() + this.outerHeight() + 1) >= this.prop('scrollHeight')) {
return true;
}
};
$.fn.scrollToBottom = function(speed) {
return this.each(function() {
$(this).finish().animate({scrollTop: this.scrollHeight}, speed || 0);
});
};
})(jQuery);
/*!
* tabcomplete
* Lightweight tab completion for inputs and textareas
*
* Source:
* https://github.com/erming/tabcomplete
*
* Copyright (c) 2014 Mattias Erming <mattias@mattiaserming.com>
* Licensed under the MIT License.
*
* Version 1.3.1
*/
(function($) {
var keys = {
backspace: 8,
tab: 9,
up: 38,
down: 40
};
$.fn.tab = // Alias
$.fn.tabcomplete = function(args, options) {
if (this.length > 1) {
return this.each(function() {
$(this).tabcomplete(args, options);
});
}
// Only enable the plugin on <input> and <textarea> elements.
var tag = this.prop("tagName");
if (tag != "INPUT" && tag != "TEXTAREA") {
return;
}
// Set default options.
options = $.extend({
after: "",
arrowKeys: tag == "INPUT" ? true : false,
caseSensitive: false,
hint: "placeholder",
minLength: 1
}, options);
// Remove any leftovers.
// This allows us to override the plugin if necessary.
this.unbind(".tabcomplete");
this.prev(".hint").remove();
var self = this;
var backspace = false;
var i = -1;
var words = [];
var last = "";
var hint = $.noop;
// Determine what type of hinting to use.
switch (options.hint) {
case "placeholder":
hint = placeholder;
break;
case "select":
hint = select;
break;
}
this.on("input.tabcomplete", function() {
var input = self.val();
var word = input.split(/ |\n/).pop();
// Reset iteration.
i = -1;
last = "";
words = [];
// Check for matches if the current word is the last word.
if (self[0].selectionStart == input.length
&& word.length) {
if (typeof args === "function") {
// If the user supplies a function, invoke it
// and keep the result.
words = args.call(self, word);
} else {
// Otherwise, call the .match() function.
words = match(word, args, options.caseSensitive);
}
// Append 'after' to each word.
if (options.after) {
words = $.map(words, function(w) { return w + options.after; });
}
}
// Emit the number of matching words with the 'match' event.
self.trigger("match", words.length);
if (options.hint) {
if (!(options.hint == "select" && backspace) && word.length >= options.minLength) {
// Show hint.
hint.call(self, words[0]);
} else {
// Clear hinting.
// This call is needed when using backspace.
hint.call(self, "");
}
}
if (backspace) {
backspace = false;
}
});
this.on("keydown.tabcomplete", function(e) {
var key = e.which;
if (key == keys.tab
|| (options.arrowKeys && (key == keys.up || key == keys.down))) {
// Don't lose focus on tab click.
e.preventDefault();
// Iterate the matches with tab and the up and down keys by incrementing
// or decrementing the 'i' variable.
if (key != keys.up) {
i++;
} else {
if (i == -1) return;
if (i == 0) {
// Jump to the last word.
i = words.length - 1;
} else {
i--;
}
}
// Get next match.
var word = words[i % words.length];
if (!word) {
return;
}
var value = self.val();
last = last || value.split(/ |\n/).pop();
// Return if the 'minLength' requirement isn't met.
if (last.length < options.minLength) {
return;
}
// Update element with the completed text.
var text = value.substr(0, self[0].selectionStart - last.length) + word;
self.val(text);
// Put the cursor at the end after completion.
// This isn't strictly necessary, but solves an issue with
// Internet Explorer.
if (options.hint == "select") {
self[0].selectionStart = text.length;
}
// Remember the word until next time.
last = word;
// Emit event.
self.trigger("tabcomplete", last);
if (options.hint) {
// Turn off any additional hinting.
hint.call(self, "");
}
} else if (e.which == keys.backspace) {
// Remember that backspace was pressed. This is used
// by the 'input' event.
backspace = true;
// Reset iteration.
i = -1;
last = "";
}
});
if (options.hint) {
// If enabled, turn on hinting.
hint.call(this, "");
}
return this;
}
// Simple matching.
// Filter the array and return the items that begins with 'word'.
function match(word, array, caseSensitive) {
return $.grep(
array,
function(w) {
if (caseSensitive) {
return !w.indexOf(word);
} else {
return !w.toLowerCase().indexOf(word.toLowerCase());
}
}
);
}
// Show placeholder text.
// This works by creating a copy of the input and placing it behind
// the real input.
function placeholder(word) {
var input = this;
var clone = input.prev(".hint");
input.css({
backgroundColor: "transparent",
position: "relative",
});
// Lets create a clone of the input if it does
// not already exist.
if (!clone.length) {
input.wrap(
$("<div>").css({position: "relative"})
);
clone = input
.clone()
.attr("tabindex", -1)
.removeAttr("id name placeholder")
.addClass("hint")
.insertBefore(input);
clone.css({
position: "absolute",
});
}
var hint = "";
if (typeof word !== "undefined") {
var value = input.val();
hint = value + word.substr(value.split(/ |\n/).pop().length);
}
clone.val(hint);
}
// Hint by selecting part of the suggested word.
function select(word) {
var input = this;
var value = input.val();
if (word) {
input.val(
value
+ word.substr(value.split(/ |\n/).pop().length)
);
// Select hint.
input[0].selectionStart = value.length;
}
}
})(jQuery);
/*!
* inputhistory
* https://github.com/erming/inputhistory
* v0.2.1
*/
(function($) {
$.fn.history = // Alias
$.fn.inputhistory = function(options) {
var settings = $.extend({
history: [],
submit: true,
}, options);
var self = this;
if (self.size() > 1) {
return self.each(function() {
$(this).history(options);
});
}
self.data('history', settings.history.concat(['']));
var i = 0;
self.on('keydown', function(e) {
var history = self.data('history');
var key = e.which;
switch (key) {
case 13: // Enter
if (self.val() != '') {
i = history.length;
history[i - 1] = self.val();
history.push('');
}
if (settings.submit) {
self.parents('form').eq(0).submit();
}
self.val('');
break;
case 38: // Up
case 40: // Down
history[i] = self.val();
if (key == 38 && i != 0) {
i--;
} else if (key == 40 && i < history.length - 1) {
i++;
}
self.val(history[i]);
break;
default:
return;
}
return false;
});
return this;
}
})(jQuery);
/*!
* jQuery Cookie Plugin v1.4.0
* https://github.com/carhartl/jquery-cookie
*
* Copyright 2013 Klaus Hartl
* Released under the MIT license
*/
(function (factory) {
if (typeof define === 'function' && define.amd) {
// AMD. Register as anonymous module.
define(['jquery'], factory);
} else {
// Browser globals.
factory(jQuery);
}
}(function ($) {
var pluses = /\+/g;
function encode(s) {
return config.raw ? s : encodeURIComponent(s);
}
function decode(s) {
return config.raw ? s : decodeURIComponent(s);
}
function stringifyCookieValue(value) {
return encode(config.json ? JSON.stringify(value) : String(value));
}
function parseCookieValue(s) {
if (s.indexOf('"') === 0) {
// This is a quoted cookie as according to RFC2068, unescape...
s = s.slice(1, -1).replace(/\\"/g, '"').replace(/\\\\/g, '\\');
}
try {
// Replace server-side written pluses with spaces.
// If we can't decode the cookie, ignore it, it's unusable.
s = decodeURIComponent(s.replace(pluses, ' '));
} catch(e) {
return;
}
try {
// If we can't parse the cookie, ignore it, it's unusable.
return config.json ? JSON.parse(s) : s;
} catch(e) {}
}
function read(s, converter) {
var value = config.raw ? s : parseCookieValue(s);
return $.isFunction(converter) ? converter(value) : value;
}
var config = $.cookie = function (key, value, options) {
// Write
if (value !== undefined && !$.isFunction(value)) {
options = $.extend({}, config.defaults, options);
if (typeof options.expires === 'number') {
var days = options.expires, t = options.expires = new Date();
t.setDate(t.getDate() + days);
}
return (document.cookie = [
encode(key), '=', stringifyCookieValue(value),
options.expires ? '; expires=' + options.expires.toUTCString() : '', // use expires attribute, max-age is not supported by IE
options.path ? '; path=' + options.path : '',
options.domain ? '; domain=' + options.domain : '',
options.secure ? '; secure' : ''
].join(''));
}
// Read
var result = key ? undefined : {};
// To prevent the for loop in the first place assign an empty array
// in case there are no cookies at all. Also prevents odd result when
// calling $.cookie().
var cookies = document.cookie ? document.cookie.split('; ') : [];
for (var i = 0, l = cookies.length; i < l; i++) {
var parts = cookies[i].split('=');
var name = decode(parts.shift());
var cookie = parts.join('=');
if (key && key === name) {
// If second argument (value) is a function it's a converter...
result = read(cookie, value);
break;
}
// Prevent storing a cookie that we couldn't decode.
if (!key && (cookie = read(cookie)) !== undefined) {
result[name] = cookie;
}
}
return result;
};
config.defaults = {};
$.removeCookie = function (key, options) {
if ($.cookie(key) !== undefined) {
// Must not alter options, thus extending a fresh object...
$.cookie(key, '', $.extend({}, options, { expires: -1 }));
return true;
}
return false;
};
}));