https://comex.go.cr/scripts/grid.js

1/* info-graficos */
2
3/*
4* debouncedresize: special jQuery event that happens once after a window resize
5*
6* latest version and complete README available on Github:
7* https://github.com/louisremi/jquery-smartresize/blob/master/jquery.debouncedresize.js
8*
9* Copyright 2011 @louis_remi
10* Licensed under the MIT license.
11*/
12var $event = $.event,
13$special,
14resizeTimeout;
15
16$special = $event.special.debouncedresize = {
17	setup: function() {
18		$( this ).on( "resize", $special.handler );
19	},
20	teardown: function() {
21		$( this ).off( "resize", $special.handler );
22	},
23	handler: function( event, execAsap ) {
24		// Save the context
25		var context = this,
26			args = arguments,
27			dispatch = function() {
28				// set correct event type
29				event.type = "debouncedresize";
30				$event.dispatch.apply( context, args );
31			};
32
33		if ( resizeTimeout ) {
34			clearTimeout( resizeTimeout );
35		}
36
37		execAsap ?
38			dispatch() :
39			resizeTimeout = setTimeout( dispatch, $special.threshold );
40	},
41	threshold: 250
42};
43
44// ======================= imagesLoaded Plugin ===============================
45// https://github.com/desandro/imagesloaded
46
47// $('#my-container').imagesLoaded(myFunction)
48// execute a callback when all images have loaded.
49// needed because .load() doesn't work on cached images
50
51// callback function gets image collection as argument
52//  this is the container
53
54// original: MIT license. Paul Irish. 2010.
55// contributors: Oren Solomianik, David DeSandro, Yiannis Chatzikonstantinou
56
57// blank image data-uri bypasses webkit log warning (thx doug jones)
58var BLANK = 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///ywAAAAAAQABAAACAUwAOw==';
59
60$.fn.imagesLoaded = function( callback ) {
61	var $this = this,
62		deferred = $.isFunction($.Deferred) ? $.Deferred() : 0,
63		hasNotify = $.isFunction(deferred.notify),
64		$images = $this.find('img').add( $this.filter('img') ),
65		loaded = [],
66		proper = [],
67		broken = [];
68
69	// Register deferred callbacks
70	if ($.isPlainObject(callback)) {
71		$.each(callback, function (key, value) {
72			if (key === 'callback') {
73				callback = value;
74			} else if (deferred) {
75				deferred[key](value);
76			}
77		});
78	}
79
80	function doneLoading() {
81		var $proper = $(proper),
82			$broken = $(broken);
83
84		if ( deferred ) {
85			if ( broken.length ) {
86				deferred.reject( $images, $proper, $broken );
87			} else {
88				deferred.resolve( $images );
89			}
90		}
91
92		if ( $.isFunction( callback ) ) {
93			callback.call( $this, $images, $proper, $broken );
94		}
95	}
96
97	function imgLoaded( img, isBroken ) {
98		// don't proceed if BLANK image, or image is already loaded
99		if ( img.src === BLANK || $.inArray( img, loaded ) !== -1 ) {
100			return;
101		}
102
103		// store element in loaded images array
104		loaded.push( img );
105
106		// keep track of broken and properly loaded images
107		if ( isBroken ) {
108			broken.push( img );
109		} else {
110			proper.push( img );
111		}
112
113		// cache image and its state for future calls
114		$.data( img, 'imagesLoaded', { isBroken: isBroken, src: img.src } );
115
116		// trigger deferred progress method if present
117		if ( hasNotify ) {
118			deferred.notifyWith( $(img), [ isBroken, $images, $(proper), $(broken) ] );
119		}
120
121		// call doneLoading and clean listeners if all images are loaded
122		if ( $images.length === loaded.length ){
123			setTimeout( doneLoading );
124			$images.unbind( '.imagesLoaded' );
125		}
126	}
127
128	// if no images, trigger immediately
129	if ( !$images.length ) {
130		doneLoading();
131	} else {
132		$images.bind( 'load.imagesLoaded error.imagesLoaded', function( event ){
133			// trigger imgLoaded
134			imgLoaded( event.target, event.type === 'error' );
135		}).each( function( i, el ) {
136			var src = el.src;
137
138			// find out if this image has been already checked for status
139			// if it was, and src has not changed, call imgLoaded on it
140			var cached = $.data( el, 'imagesLoaded' );
141			if ( cached && cached.src === src ) {
142				imgLoaded( el, cached.isBroken );
143				return;
144			}
145
146			// if complete is true and browser supports natural sizes, try
147			// to check for image status manually

148			if ( el.complete && el.naturalWidth !== undefined ) {
149				imgLoaded( el, el.naturalWidth === 0 || el.naturalHeight === 0 );
150				return;
151			}
152
153			// cached images don't fire load sometimes, so we reset src, but only when
154			// dealing with IE, or image is complete (loaded) and failed manual check
155			// webkit hack from http://groups.google.com/group/jquery-dev/browse_thread/thread/eee6ab7b2da50e1f
156			if ( el.readyState || el.complete ) {
157				el.src = BLANK;
158				el.src = src;
159			}
160		});
161	}
162
163	return deferred ? deferred.promise( $this ) : $this;
164};
165
166var Grid = (function() {
167
168		// list of items
169	var $grid = $( '#og-grid' ),
170		// the items
171		$items = $grid.children( 'li' ),
172		// current expanded item's index
173		current = -1,
174		// position (top) of the expanded item
175		// used to know if the preview will expand in a different row
176		previewPos = -1,
177		// extra amount of pixels to scroll the window
178		scrollExtra = 0,
179		// extra margin when expanded (between preview overlay and the next items)
180		marginExpanded = 10,
181		$window = $( window ), winsize,
182		$body = $( 'html, body' ),
183		// transitionend events
184		transEndEventNames = {
185			'WebkitTransition' : 'webkitTransitionEnd',
186			'MozTransition' : 'transitionend',
187			'OTransition' : 'oTransitionEnd',
188			'msTransition' : 'MSTransitionEnd',
189			'transition' : 'transitionend'
190		},
191		transEndEventName = transEndEventNames[ Modernizr.prefixed( 'transition' ) ],
192		// support for csstransitions
193		support = Modernizr.csstransitions,
194		// default settings
195		settings = {
196			minHeight : 600,
197			speed : 350,
198			easing : 'ease'
199		};
200
201	function init( config ) {
202		
203		// the settings..
204		settings = $.extend( true, {}, settings, config );
205
206		// preload all images
207		$grid.imagesLoaded( function() {
208
209			// save item´s size and offset
210			saveItemInfo( true );
211			// get window´s size
212			getWinSize();
213			// initialize some events
214			initEvents();
215
216		} );
217
218	}
219
220	// add more items to the grid.
221	// the new items need to appended to the grid.
222	// after that call Grid.addItems(theItems);
223	function addItems( $newitems ) {
224
225		$items = $items.add( $newitems );
226
227		$newitems.each( function() {
228			var $item = $( this );
229			$item.data( {
230				offsetTop : $item.offset().top,
231				height : $item.height()
232			} );
233		} );
234
235		initItemsEvents( $newitems );
236
237	}
238
239	// saves the item´s offset top and height (if saveheight is true)
240	function saveItemInfo( saveheight ) {
241		$items.each( function() {
242			var $item = $( this );
243			$item.data( 'offsetTop', $item.offset().top );
244			if( saveheight ) {
245				$item.data( 'height', $item.height() );
246			}
247		} );
248	}
249
250	function initEvents() {
251		
252		// when clicking an item, show the preview with the item´s info and large image.
253		// close the item if already expanded.
254		// also close if clicking on the item´s cross
255		initItemsEvents( $items );
256		
257		// on window resize get the window´s size again
258		// reset some values..
259		$window.on( 'debouncedresize', function() {
260			
261			scrollExtra = 0;
262			previewPos = -1;
263			// save item´s offset
264			saveItemInfo();
265			getWinSize();
266			var preview = $.data( this, 'preview' );
267			if( typeof preview != 'undefined' ) {
268				hidePreview();
269			}
270
271		} );
272
273	}
274
275	function initItemsEvents( $items ) {
276		$items.on( 'click', 'span.og-close', function() {
277			hidePreview();
278			return false;
279		} ).children( 'a' ).on( 'click', function(e) {
280
281			var $item = $( this ).parent();
282			// check if item already opened
283			current === $item.index() ? hidePreview() : showPreview( $item );
284			return false;
285
286		} );
287	}
288
289	function getWinSize() {
290		winsize = { width : $window.width(), height : $window.height() };
291	}
292
293	function showPreview( $item ) {
294
295		var preview = $.data( this, 'preview' ),
296			// item´s offset top
297			position = $item.data( 'offsetTop' );
298
299		scrollExtra = 0;
300
301		// if a preview exists and previewPos is different (different row) from item´s top then close it
302		if( typeof preview != 'undefined' ) {
303
304			// not in the same row
305			if( previewPos !== position ) {
306				// if position > previewPos then we need to take te current preview´s height in consideration when scrolling the window
307				if( position > previewPos ) {
308					scrollExtra = preview.height;
309				}
310				hidePreview();
311			}
312			// same row
313			else {
314				preview.update( $item );
315				return false;
316			}
317			
318		}
319
320		// update previewPos
321		previewPos = position;
322		// initialize new preview for the clicked item
323		preview = $.data( this, 'preview', new Preview( $item ) );
324		// expand preview overlay
325		preview.open();
326
327	}
328
329	function hidePreview() {
330		current = -1;
331		var preview = $.data( this, 'preview' );
332		preview.close();
333		$.removeData( this, 'preview' );
334	}
335
336	// the preview obj / overlay
337	function Preview( $item ) {
338		this.$item = $item;
339		this.expandedIdx = this.$item.index();
340		this.create();
341		this.update();
342	}
343
344	Preview.prototype = {
345		create : function() {
346			// create Preview structure:
347			this.$title = $( '<h3></h3>' );
348			this.$description = $( '<p></p>' );
349			this.$href = $( '<div></div>' );
350			this.$details = $( '<div class="og-details"></div>' ).append( this.$description, this.$href );
351			this.$loading = $( '<div class="og-loading"></div>' );
352			this.$fullimage = $( '<div class="og-fullimg"></div>' ).append( this.$loading );
353			this.$closePreview = $( '<span class="og-close"></span>' );
354			this.$previewInner = $( '<div class="og-expander-inner"></div>' ).append( this.$closePreview, this.$fullimage, this.$details );
355			this.$previewEl = $( '<div class="og-expander"></div>' ).append( this.$previewInner );
356			// append preview element to the item
357			this.$item.append( this.getEl() );
358			// set the transitions for the preview and the item
359			if( support ) {
360				this.setTransition();
361			}
362		},
363		update : function( $item ) {
364
365			if( $item ) {
366				this.$item = $item;
367			}
368			
369			// if already expanded remove class "og-expanded" from current item and add it to new item
370			if( current !== -1 ) {
371				var $currentItem = $items.eq( current );
372				$currentItem.removeClass( 'og-expanded' );
373				this.$item.addClass( 'og-expanded' );
374				// position the preview correctly
375				this.positionPreview();
376			}
377
378			// update current value
379			current = this.$item.index();
380
381			// update preview´s content
382			var $itemEl = this.$item.children( 'a' ),
383				eldata = {
384					href : $itemEl.attr( 'href' ),
385					largesrc : $itemEl.data( 'largesrc' ),
386					title : $itemEl.data( 'title' ),
387					description : $itemEl.data( 'description' )
388				};
389
390			this.$title.html( eldata.title );
391			this.$description.html( eldata.description );
392			this.$href.html( eldata.href );
393
394			var self = this;
395			
396			// remove the current image in the preview
397			if( typeof self.$largeImg != 'undefined' ) {
398				self.$largeImg.remove();
399			}
400
401			// preload large image and add it to the preview

402			// for smaller screens we don´t display the large image (the media query will hide the fullimage wrapper)
403			if( self.$fullimage.is( ':visible' ) ) {
404				this.$loading.show();
405				$( '<img/>' ).load( function() {
406					var $img = $( this );
407					if( $img.attr( 'src' ) === self.$item.children('a').data( 'largesrc' ) ) {
408						self.$loading.hide();
409						self.$fullimage.find( 'img' ).remove();
410						self.$largeImg = $img.fadeIn( 350 );
411						self.$fullimage.append( self.$largeImg );
412					}
413				} ).attr( 'src', eldata.largesrc );	
414			}
415
416		},
417		open : function() {
418
419			setTimeout( $.proxy( function() {	
420				// set the height for the preview and the item
421				this.setHeights();
422				// scroll to position the preview in the right place
423				this.positionPreview();
424			}, this ), 25 );
425
426		},
427		close : function() {
428
429			var self = this,
430				onEndFn = function() {
431					if( support ) {
432						$( this ).off( transEndEventName );
433					}
434					self.$item.removeClass( 'og-expanded' );
435					self.$previewEl.remove();
436					changeHeightLess();
437				};
438
439			setTimeout( $.proxy( function() {
440
441				if( typeof this.$largeImg !== 'undefined' ) {
442					this.$largeImg.fadeOut( 'fast' );
443				}
444				this.$previewEl.css( 'height', 0 );
445				// the current expanded item (might be different from this.$item)
446				var $expandedItem = $items.eq( this.expandedIdx );
447				$expandedItem.css( 'height', $expandedItem.data( 'height' ) ).on( transEndEventName, onEndFn );
448
449				if( !support ) {
450					onEndFn.call();
451				}
452
453			}, this ), 25 );
454			
455			return false;
456
457		},
458		calcHeight : function() {
459
460			var heightPreview = winsize.height - this.$item.data( 'height' ),
461				itemHeight = winsize.height;
462
463			if( heightPreview < settings.minHeight ) {
464				heightPreview = settings.minHeight;
465				itemHeight = settings.minHeight + this.$item.data( 'height' ) + marginExpanded;
466			}
467
468			this.height = heightPreview;
469			this.itemHeight = itemHeight;
470
471		},
472		setHeights : function() {
473
474			var self = this,
475				onEndFn = function() {
476					if( support ) {
477						self.$item.off( transEndEventName );
478					}
479					self.$item.addClass( 'og-expanded' );
480					changeHeightMore();
481				};
482
483			this.calcHeight();
484			this.$previewEl.css( 'height', this.height );
485			this.$item.css( 'height', this.itemHeight ).on( transEndEventName, onEndFn );
486
487			if( !support ) {
488				onEndFn.call();
489			}
490
491		},
492		positionPreview : function() {
493
494			// scroll page
495			// case 1 : preview height + item height fits in window´s height
496			// case 2 : preview height + item height does not fit in window´s height and preview height is smaller than window´s height
497			// case 3 : preview height + item height does not fit in window´s height and preview height is bigger than window´s height
498			var position = this.$item.data( 'offsetTop' ),
499				previewOffsetT = this.$previewEl.offset().top - scrollExtra,
500				scrollVal = this.height + this.$item.data( 'height' ) + marginExpanded <= winsize.height ? position : this.height < winsize.height ? previewOffsetT - ( winsize.height - this.height ) : previewOffsetT;
501			
502			//$body.animate( { scrollTop : scrollVal }, settings.speed );
503
504		},
505		setTransition  : function() {
506			this.$previewEl.css( 'transition', 'height ' + settings.speed + 'ms ' + settings.easing );
507			this.$item.css( 'transition', 'height ' + settings.speed + 'ms ' + settings.easing );
508		},
509		getEl : function() {
510			return this.$previewEl;
511		}
512	}
513
514
515
516	return { 
517		init : init,
518		addItems : addItems
519	};
520
521})();
522
523$(".og-grid").on('mouseup',function(){
524        var id = $(this).attr('class');
525        //alert(id);
526        console.log($(window).width());
527        //if($(window).width() > 500){
528            $('html, body').animate({
529            scrollTop: $('.'+id).offset().top +($(window).width()/2.5)
530        }, 500);
531        //}
532    });