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infinite ribbon experiment - rewritten the API...

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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 16:36:01 +04:00
parent 02d05a3cb1
commit 226140de06
1 changed files with 69 additions and 40 deletions
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107
ui/experiments/infinite-ribbon.html
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@ -5,7 +5,10 @@
function focus(elem){
$('.current.square').removeClass('current')
return $(elem).closest('.square').addClass('current')
$(elem)
.closest('.square')
.addClass('current')
.trigger('focus')
}
function clickHandler(){
focus(this)
@ -21,62 +24,86 @@ function clickHandler(){
* and focus an element from the other end.
*
*/
function shiftSquare(direction, n){
if(n == null){
n = 1
}
// XXX make this customizable (selector-wise)...
function shiftFocus(n){
var cur = $('.current.square')
// trigger the event...
cur.closest('.container')
.trigger('shift'+direction, n)
// if we move to the same spot, do nothing...
if(n == 0){
if(n > 0){
direction = 'next'
} else if(n < 0){
direction = 'prev'
} else {
return cur
}
// trigger the event...
cur.closest('.container')
.trigger('shiftfocus', n)
var dir = cur[direction+'All']('.square')
// see if we need to warp arund...
if(cur[direction+'All']('.square').length < n){
if(dir.length < Math.abs(n)){
var sq = cur.closest('.container').children('.square')
var i = sq.index(cur)
return focus($(sq[ direction == 'next'
return focus($(sq[ n > 0
? (i + n) % sq.length
: sq.length - (Math.abs(i - n) % sq.length) ]))
: sq.length - (Math.abs(i + n) % sq.length) ]))
}
// shift the current element...
return focus($(cur[direction+'All']('.square')[n-1]))
}
// shift focus left/right wrappers...
function next(n){
return shiftSquare('next', n)
}
function prev(n){
return shiftSquare('prev', n)
return focus($(dir[Math.abs(n)-1]))
}
// these will roll the container...
// XXX this needs a means to update the element content...
function rollRight(n){
if(n == null){
n = 1
}
$($('.square').splice(0, n)).appendTo($('.container'))
}
function rollLeft(n){
if(n == null){
n = 1
}
function rollContainer(n){
// right...
if(n > 0){
return $($('.square').splice(0, n)).appendTo($('.container'))
// left...
} else if(n < 0){
var sq = $('.square')
var l = sq.length
$(sq.splice(l-n, l)).prependTo($('.container'))
return $(sq.splice(l+n, l)).prependTo($('.container'))
// 0...
} else {
return
}
}
var UPDATE_ELEMENT_TEXT = false
function toggleNumberUpdate(){
if(UPDATE_ELEMENT_TEXT){
UPDATE_ELEMENT_TEXT = false
} else {
UPDATE_ELEMENT_TEXT = true
}
}
$(function(){
$('.container')
.on('shiftnext', function(evt, n){rollRight(n)})
.on('shiftprev', function(evt, n){rollLeft(n)})
// NOTE: this event will get completed BEFORE the element is focused.
.on('shiftfocus', function(evt, n){
if(UPDATE_ELEMENT_TEXT){
var sq = $('.square')
if(n > 0){
var s = $('.square').last().text()*1 + 1
} else if(n < 0){
var s = $('.square').first().text()*1 + n
} else {
return
}
rollContainer(n).each(function(i, e){
$(this).text(i + s)
})
} else {
rollContainer(n)
}
})
$('.square')
.click(clickHandler)
@ -121,10 +148,12 @@ $(function(){
<body>
<button onclick="prev(5)">&lt;&lt;</button>
<button onclick="prev()">&lt;</button>
<button onclick="next()">&gt;</button>
<button onclick="next(5)">&gt;&gt;</button>
<button onclick="shiftFocus(-5)">&lt;&lt;</button>
<button onclick="shiftFocus(-1)">&lt;</button>
<button onclick="shiftFocus(1)">&gt;</button>
<button onclick="shiftFocus(5)">&gt;&gt;</button>
&nbsp;
<button onclick="toggleNumberUpdate()">toggle square number update</button>
<div class="meta-container">
<div class="container">