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added multiple step shifts to infinite ribbon experiment...

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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
Alex A. Naanou 2013-04-16 15:45:49 +04:00
parent 97db146f2b
commit 435d562835
1 changed files with 44 additions and 24 deletions
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68
ui/experiments/infinite-ribbon.html
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@ -11,47 +11,65 @@ function clickHandler(){
focus(this)
}
function shiftSquare(direction){
function shiftSquare(direction, n){
if(n == null){
n = 1
}
var cur = $('.current.square')
// trigger the event...
cur.closest('.container')
.trigger('shift'+direction)
// see if we are the last...
if(cur[direction]('.square').length < 1){
// do not move past the edge...
//return cur
.trigger('shift'+direction, n)
// if we move to the same spot, do nothing...
if(n == 0){
return cur
}
// see if we need to rotate...
if(cur[direction+'All']('.square').length < n){
var sq = cur.closest('.container').children('.square')
var i = sq.index(cur)
// rotate...
return focus(cur
.closest('.container')
.children('.square')[ direction == 'next' ? 'first' : 'last' ]())
return focus($(sq[ direction == 'next'
? (i + n) % sq.length
: sq.length - (Math.abs(i - n) % sq.length) ]))
}
// shift the current element...
return cur
.removeClass('current')[direction]('.square')
.addClass('current')
return focus($(cur[direction+'All']('.square')[n-1]))
}
// shift focus left/right...
function next(){
return shiftSquare('next')
function next(n){
return shiftSquare('next', n)
}
function prev(){
return shiftSquare('prev')
function prev(n){
return shiftSquare('prev', n)
}
// these will roll the container...
// XXX this needs a means to update the element content...
function rollRight(){
$('.square').first().appendTo($('.container'))
function rollRight(n){
if(n == null){
n = 1
}
$($('.square').splice(0, n)).appendTo($('.container'))
}
function rollLeft(){
$('.square').last().prependTo($('.container'))
function rollLeft(n){
if(n == null){
n = 1
}
var sq = $('.square')
var l = sq.length
$(sq.splice(l-n, l)).prependTo($('.container'))
}
$(function(){
$('.container')
.on('shiftnext', rollRight)
.on('shiftprev', rollLeft)
.on('shiftnext', function(evt, n){rollRight(n)})
.on('shiftprev', function(evt, n){rollLeft(n)})
$('.square')
.click(clickHandler)
@ -96,8 +114,10 @@ $(function(){
<body>
<button onclick="prev()">prev</button>
<button onclick="next()">next</button>
<button onclick="prev(5)">&lt;&lt;</button>
<button onclick="prev()">&lt;</button>
<button onclick="next()">&gt;</button>
<button onclick="next(5)">&gt;&gt;</button>
<div class="meta-container">
<div class="container">