https://www.visitenkarterri.com/js/jquery/plugins/tipsy/jquery.tipsy-1.0.0a.js

1// tipsy, facebook style tooltips for jquery
2// version 1.0.0a
3// (c) 2008-2010 jason frame [[email protected]]
4// released under the MIT license
5
6(function($) {
7    
8    function maybeCall(thing, ctx) {
9        return (typeof thing == 'function') ? (thing.call(ctx)) : thing;
10    };
11    
12    function isElementInDOM(ele) {
13      while (ele = ele.parentNode) {
14        if (ele == document) return true;
15      }
16      return false;
17    };
18    
19    function Tipsy(element, options) {
20        this.$element = $(element);
21        this.options = options;
22        this.enabled = true;
23        this.fixTitle();
24    };
25    
26    Tipsy.prototype = {
27        show: function() {
28            var title = this.getTitle();
29            if (title && this.enabled) {
30                var $tip = this.tip();
31                
32                $tip.find('.tipsy-inner')[this.options.html ? 'html' : 'text'](title);
33                $tip[0].className = 'tipsy'; // reset classname in case of dynamic gravity
34                $tip.remove().css({top: 0, left: 0, visibility: 'hidden', display: 'block'}).prependTo(document.body);
35                
36                var pos = $.extend({}, this.$element.offset(), {
37                    width: this.$element[0].offsetWidth,
38                    height: this.$element[0].offsetHeight
39                });
40                
41                var actualWidth = $tip[0].offsetWidth,
42                    actualHeight = $tip[0].offsetHeight,
43                    gravity = maybeCall(this.options.gravity, this.$element[0]);
44                
45                var tp;
46                switch (gravity.charAt(0)) {
47                    case 'n':
48                        tp = {top: pos.top + pos.height + this.options.offset, left: pos.left + pos.width / 2 - actualWidth / 2};
49                        break;
50                    case 's':
51                        tp = {top: pos.top - actualHeight - this.options.offset, left: pos.left + pos.width / 2 - actualWidth / 2};
52                        break;
53                    case 'e':
54                        tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth - this.options.offset};
55                        break;
56                    case 'w':
57                        tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width + this.options.offset};
58                        break;
59                }
60                
61                if (gravity.length == 2) {
62                    if (gravity.charAt(1) == 'w') {
63                        tp.left = pos.left + pos.width / 2 - 15;
64                    } else {
65                        tp.left = pos.left + pos.width / 2 - actualWidth + 15;
66                    }
67                }
68                
69                $tip.css(tp).addClass('tipsy-' + gravity);
70                $tip.find('.tipsy-arrow')[0].className = 'tipsy-arrow tipsy-arrow-' + gravity.charAt(0);
71                if (this.options.className) {
72                    $tip.addClass(maybeCall(this.options.className, this.$element[0]));
73                }
74                
75                if (this.options.fade) {
76                    $tip.stop().css({opacity: 0, display: 'block', visibility: 'visible'}).animate({opacity: this.options.opacity});
77                } else {
78                    $tip.css({visibility: 'visible', opacity: this.options.opacity});
79                }
80            }
81        },
82        
83        hide: function() {
84            if (this.options.fade) {
85                this.tip().stop().fadeOut(function() { $(this).remove(); });
86            } else {
87                this.tip().remove();
88            }
89        },
90        
91        fixTitle: function() {
92            var $e = this.$element;
93            if ($e.attr('title') || typeof($e.attr('original-title')) != 'string') {
94                $e.attr('original-title', $e.attr('title') || '').removeAttr('title');
95            }
96        },
97        
98        getTitle: function() {
99            var title, $e = this.$element, o = this.options;
100            this.fixTitle();
101            var title, o = this.options;
102            if (typeof o.title == 'string') {
103                title = $e.attr(o.title == 'title' ? 'original-title' : o.title);
104            } else if (typeof o.title == 'function') {
105                title = o.title.call($e[0]);
106            }
107            title = ('' + title).replace(/(^\s*|\s*$)/, "");
108            return title || o.fallback;
109        },
110        
111        tip: function() {
112            if (!this.$tip) {
113                this.$tip = $('<div class="tipsy"></div>').html('<div class="tipsy-arrow"></div><div class="tipsy-inner"></div>');
114                this.$tip.data('tipsy-pointee', this.$element[0]);
115            }
116            return this.$tip;
117        },
118        
119        validate: function() {
120            if (!this.$element[0].parentNode) {
121                this.hide();
122                this.$element = null;
123                this.options = null;
124            }
125        },
126        
127        enable: function() { this.enabled = true; },
128        disable: function() { this.enabled = false; },
129        toggleEnabled: function() { this.enabled = !this.enabled; }
130    };
131    
132    $.fn.tipsy = function(options) {
133        
134        if (options === true) {
135            return this.data('tipsy');
136        } else if (typeof options == 'string') {
137            var tipsy = this.data('tipsy');
138            if (tipsy) tipsy[options]();
139            return this;
140        }
141        
142        options = $.extend({}, $.fn.tipsy.defaults, options);
143        
144        function get(ele) {
145            var tipsy = $.data(ele, 'tipsy');
146            if (!tipsy) {
147                tipsy = new Tipsy(ele, $.fn.tipsy.elementOptions(ele, options));
148                $.data(ele, 'tipsy', tipsy);
149            }
150            return tipsy;
151        }
152        
153        function enter() {
154            var tipsy = get(this);
155            tipsy.hoverState = 'in';
156            if (options.delayIn == 0) {
157                tipsy.show();
158            } else {
159                tipsy.fixTitle();
160                setTimeout(function() { if (tipsy.hoverState == 'in') tipsy.show(); }, options.delayIn);
161            }
162        };
163        
164        function leave() {
165            var tipsy = get(this);
166            tipsy.hoverState = 'out';
167            if (options.delayOut == 0) {
168                tipsy.hide();
169            } else {
170                setTimeout(function() { if (tipsy.hoverState == 'out') tipsy.hide(); }, options.delayOut);
171            }
172        };
173        
174        if (!options.live) this.each(function() { get(this); });
175        
176        if (options.trigger != 'manual') {
177            var binder   = options.live ? 'live' : 'bind',
178                eventIn  = options.trigger == 'hover' ? 'mouseenter' : 'focus',
179                eventOut = options.trigger == 'hover' ? 'mouseleave' : 'blur';
180            this[binder](eventIn, enter)[binder](eventOut, leave);
181        }
182        
183        return this;
184        
185    };
186    
187    $.fn.tipsy.defaults = {
188        className: null,
189        delayIn: 0,
190        delayOut: 0,
191        fade: false,
192        fallback: '',
193        gravity: 'n',
194        html: false,
195        live: false,
196        offset: 0,
197        opacity: 0.8,
198        title: 'title',
199        trigger: 'hover'
200    };
201    
202    $.fn.tipsy.revalidate = function() {
203      $('.tipsy').each(function() {
204        var pointee = $.data(this, 'tipsy-pointee');
205        if (!pointee || !isElementInDOM(pointee)) {
206          $(this).remove();
207        }
208      });
209    };
210    
211    // Overwrite this method to provide options on a per-element basis.
212    // For example, you could store the gravity in a 'tipsy-gravity' attribute:
213    // return $.extend({}, options, {gravity: $(ele).attr('tipsy-gravity') || 'n' });
214    // (remember - do not modify 'options' in place!)
215    $.fn.tipsy.elementOptions = function(ele, options) {
216        return $.metadata ? $.extend({}, options, $(ele).metadata()) : options;
217    };
218    
219    $.fn.tipsy.autoNS = function() {
220        return $(this).offset().top > ($(document).scrollTop() + $(window).height() / 2) ? 's' : 'n';
221    };
222    
223    $.fn.tipsy.autoWE = function() {
224        return $(this).offset().left > ($(document).scrollLeft() + $(window).width() / 2) ? 'e' : 'w';
225    };
226    
227    /**
228     * yields a closure of the supplied parameters, producing a function that takes
229     * no arguments and is suitable for use as an autogravity function like so:
230     *
231     * @param margin (int) - distance from the viewable region edge that an
232     *        element should be before setting its tooltip's gravity to be away
233     *        from that edge.
234     * @param prefer (string, e.g. 'n', 'sw', 'w') - the direction to prefer
235     *        if there are no viewable region edges effecting the tooltip's
236     *        gravity. It will try to vary from this minimally, for example,
237     *        if 'sw' is preferred and an element is near the right viewable 
238     *        region edge, but not the top edge, it will set the gravity for
239     *        that element's tooltip to be 'se', preserving the southern
240     *        component.
241     */
242     $.fn.tipsy.autoBounds = function(margin, prefer) {
243		return function() {
244			var dir = {ns: prefer[0], ew: (prefer.length > 1 ? prefer[1] : false)},
245			    boundTop = $(document).scrollTop() + margin,
246			    boundLeft = $(document).scrollLeft() + margin,
247			    $this = $(this);
248
249			if ($this.offset().top < boundTop) dir.ns = 'n';
250			if ($this.offset().left < boundLeft) dir.ew = 'w';
251			if ($(window).width() + $(document).scrollLeft() - $this.offset().left < margin) dir.ew = 'e';
252			if ($(window).height() + $(document).scrollTop() - $this.offset().top < margin) dir.ns = 's';
253
254			return dir.ns + (dir.ew ? dir.ew : '');
255		}
256	};
257    
258})(jQuery);