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			206 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			HTML
		
	
	
	
	
	
		
		
			
		
	
	
			206 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			HTML
		
	
	
	
	
	
|  | <!DOCTYPE html> | ||
|  | <html> | ||
|  | <body> | ||
|  | 
 | ||
|  | <!--
 | ||
|  | 
 | ||
|  | Goals: | ||
|  | - investigate the posiblity to place the .current element at a  | ||
|  |   predefined location. | ||
|  | - position all other elements relative to .current | ||
|  | - do the above two cleanly via CSS only - i.e. changing the .current  | ||
|  |   class to another element will reposition the whole group. | ||
|  | 
 | ||
|  | - make the animation natural, preferably CSS-only... | ||
|  | 
 | ||
|  | 
 | ||
|  | --> | ||
|  | 
 | ||
|  | <script src="jquery.js"></script> | ||
|  | <script> | ||
|  | 
 | ||
|  | $(document).ready(function(){ | ||
|  | 	// setup... | ||
|  | 	if($('.current').length > 0){ | ||
|  | 		var cur = $('.current').first() | ||
|  | 		$('.current').removeClass('current') | ||
|  | 		cur.addClass('current').prev('.square').addClass('previous') | ||
|  | 	} else { | ||
|  | 		$('.square').first().addClass('current') | ||
|  | 	} | ||
|  | 	// HACK: removes text between nodes... | ||
|  | 	// XXX a different way to do this is set font-size to 0 in the .container,  | ||
|  | 	//     but will need to reset it back in everything else... | ||
|  | 	// XXX us there a better way... | ||
|  | 	$('.container') | ||
|  | 		.contents() | ||
|  | 		.filter(function() { | ||
|  | 			// Node.TEXT_NODE && only whitespace | ||
|  | 			return (this.nodeType == 3 && $.trim(this.value) == '') | ||
|  | 		}).remove(); | ||
|  | 	 | ||
|  | 
 | ||
|  | 
 | ||
|  | 	// handlers... | ||
|  | 	$('.square').click(function(e){ | ||
|  | 		$('.square').removeClass('current previous') | ||
|  | 		$(this).addClass('current') | ||
|  | 			.prev('.square').addClass('previous') | ||
|  | 
 | ||
|  | 		// XXX at this poit of afairs, to fix things will need  | ||
|  | 		//     to reverse the blue squares... | ||
|  | 
 | ||
|  | 		e.preventDefault() | ||
|  | 	}) | ||
|  | 	$('.toggle-animation').click(function(e){ | ||
|  | 		if($('.animated').length > 0){ | ||
|  | 			$('.animated').removeClass('animated') | ||
|  | 		} else { | ||
|  | 			$('.square').addClass('animated') | ||
|  | 		} | ||
|  | 
 | ||
|  | 		e.preventDefault() | ||
|  | 	}) | ||
|  | 	$('.toggle-overflow').click(function(e){ | ||
|  | 		if($('.meta-container').css('overflow') == 'visible'){ | ||
|  | 			$('.meta-container').css({overflow: 'hidden'}) | ||
|  | 		} else { | ||
|  | 			$('.meta-container').css({overflow: 'visible'}) | ||
|  | 		} | ||
|  | 
 | ||
|  | 		e.preventDefault() | ||
|  | 	}) | ||
|  | }) | ||
|  | 
 | ||
|  | </script> | ||
|  | 
 | ||
|  | <style> | ||
|  | 
 | ||
|  | .button { | ||
|  | 	border: solid 2px silver; | ||
|  | 	display: inline; | ||
|  | 	padding: 5px; | ||
|  | 	cursor: hand; | ||
|  | } | ||
|  | .meta-container { | ||
|  | 	border: solid 3px black; | ||
|  | 	overflow: visible; | ||
|  | 	height: 66px; | ||
|  | 	width: 100px; | ||
|  | 
 | ||
|  | 	position: relative; | ||
|  | 	top: 100px; | ||
|  | 	left: 450px; | ||
|  | 
 | ||
|  | } | ||
|  | 
 | ||
|  | /* this has to be of with = N * square.width + C where N is number of  | ||
|  | sqares and C is to compensate for margins and borders | ||
|  | 
 | ||
|  | margin-left = -(n*square.width + C) where n is the number of squares  | ||
|  | left of .current */ | ||
|  | .container { | ||
|  | 	border: solid 3px gray; | ||
|  | 	overflow: visible; | ||
|  | 	height: 50px; | ||
|  | 	padding: 5px; | ||
|  | 
 | ||
|  | 	width: 1000px; | ||
|  | 
 | ||
|  | 	/* one way to go is to move the ribbon with this... */ | ||
|  | 	/* NOTE: this needs to account for all the margins and borders  | ||
|  | 		 in the stack, in this case:  | ||
|  | 			 -(2*50-3*5)  | ||
|  | 
 | ||
|  | 		 .meta-container.width/2 - .square.width/2 (+/- margins and borders) | ||
|  | 	*/ | ||
|  | 	margin-left: -475px; | ||
|  | 
 | ||
|  | 	text-align: right; | ||
|  | } | ||
|  | 
 | ||
|  | /* squares before the current */ | ||
|  | .square { | ||
|  | 	/* XXX this makes it eccessary to remove whitespace between elements */ | ||
|  | 	display: inline-block; | ||
|  | 	position: relative; | ||
|  | 	width: 50px; | ||
|  | 	height: 50px; | ||
|  | 	background: blue; | ||
|  | } | ||
|  | 
 | ||
|  | .animated { | ||
|  | 	/* animate */ | ||
|  | 	-webkit-transition: all 0.5s ease; | ||
|  | 	-moz-transition: all 0.5s ease; | ||
|  | 	-o-transition: all 0.5s ease; | ||
|  | 	-ms-transition: all 0.5s ease;	 | ||
|  | 	transition: all 0.5s ease; | ||
|  | } | ||
|  | 
 | ||
|  | .current { | ||
|  | 	background: silver; | ||
|  | 
 | ||
|  | 	margin-left: 50%; | ||
|  | 
 | ||
|  | 	clear: left; | ||
|  | 	float: left; | ||
|  | } | ||
|  | 
 | ||
|  | /* squares after the current */ | ||
|  | .current ~ .square { | ||
|  | 	background: red; | ||
|  | 	float: left; | ||
|  | } | ||
|  | 
 | ||
|  | /* squares after the prefious - this incudes current */ | ||
|  | .previous ~ .square { | ||
|  | 	/* puts thisngs back into the ribbon */ | ||
|  | 	top: -50px; | ||
|  | } | ||
|  | 
 | ||
|  | .container .square:first-child { | ||
|  | 	border-left: solid 5px gray; | ||
|  | } | ||
|  | 
 | ||
|  | /* XXX find a honest, CSS-only, way to do this...  | ||
|  |        i.e. without needing to set a second class | ||
|  |        ...need to select only the element directly before .current (reverse  | ||
|  |        of the + combinator) | ||
|  |  */ | ||
|  | .previous { | ||
|  | 	margin-right: 50%; | ||
|  | } | ||
|  | 
 | ||
|  | .container .square:last-child { | ||
|  | 	border-right: solid 5px gray; | ||
|  | 
 | ||
|  | } | ||
|  | 
 | ||
|  | </style> | ||
|  | 
 | ||
|  | 
 | ||
|  | <div class="toggle-animation button">toggle animation</div> | ||
|  | <div class="toggle-overflow button">toggle overflow</div> | ||
|  | 
 | ||
|  | <div class="meta-container"> | ||
|  | 	<div class="container"> | ||
|  | 		<!-- BUG: when current is first hell breaks lose... --> | ||
|  | 		<div class="square">1</div> | ||
|  | 		<div class="square">2</div> | ||
|  | 		<!--div class="square current">2</div--> | ||
|  | 		<div class="square">3</div> | ||
|  | 		<div class="square">4</div> | ||
|  | 		<div class="square">5</div> | ||
|  | 		<div class="square">6</div> | ||
|  | 		<div class="square">7</div> | ||
|  | 	</div> | ||
|  | </div> | ||
|  | 
 | ||
|  | <!-- this is oddly aligned to the .squares --> | ||
|  | <!--div class="toggle-animation-button">toggle animation</div--> | ||
|  | 
 | ||
|  | 
 | ||
|  | </body> | ||
|  | </html> |