mirror of
https://github.com/flynx/ImageGrid.git
synced 2025-10-29 18:30:09 +00:00
187 lines
3.5 KiB
HTML
Executable File
187 lines
3.5 KiB
HTML
Executable File
<html>
|
|
|
|
<script src="jquery.js"></script>
|
|
<script>
|
|
|
|
function focus(elem){
|
|
$('.current.square').removeClass('current')
|
|
$(elem)
|
|
.closest('.square')
|
|
.addClass('current')
|
|
.trigger('focus')
|
|
}
|
|
|
|
function clickHandler(){
|
|
focus(this)
|
|
}
|
|
|
|
|
|
|
|
/* Focus next/prev container element
|
|
*
|
|
* This will shift focus within a container.
|
|
*
|
|
* If we reach the start/end of the container, we will "warp" around it
|
|
* and focus an element from the other end.
|
|
*
|
|
*/
|
|
// XXX make this customizable (selector-wise)...
|
|
function shiftFocus(n){
|
|
var cur = $('.current.square')
|
|
if(n > 0){
|
|
direction = 'next'
|
|
} else if(n < 0){
|
|
direction = 'prev'
|
|
} else {
|
|
return cur
|
|
}
|
|
|
|
// trigger the event...
|
|
cur.closest('.container')
|
|
.trigger('shiftfocus', n)
|
|
|
|
// XXX will adding a singular [direction] branch make things faster
|
|
// for n = +/-1 ???
|
|
var dir = cur[direction+'All']('.square')
|
|
|
|
// see if we need to warp arund...
|
|
if(dir.length < Math.abs(n)){
|
|
var sq = cur.closest('.container').children('.square')
|
|
var i = sq.index(cur)
|
|
return focus($(sq[ n > 0
|
|
? (i + n) % sq.length
|
|
: sq.length - (Math.abs(i + n) % sq.length) ]))
|
|
}
|
|
|
|
// shift the current element...
|
|
return focus($(dir[Math.abs(n)-1]))
|
|
}
|
|
|
|
|
|
|
|
// these will roll the container...
|
|
// XXX make this container context-aware...
|
|
function rollContainer(n){
|
|
var sq = $('.current.square')
|
|
.closest('.container')
|
|
.children('.square')
|
|
// right...
|
|
if(n > 0){
|
|
return $(sq.splice(0, n)).appendTo($('.container'))
|
|
// left...
|
|
} else if(n < 0){
|
|
var l = sq.length
|
|
return $(sq.splice(l+n, l)).prependTo($('.container'))
|
|
// 0...
|
|
} else {
|
|
return
|
|
}
|
|
}
|
|
|
|
|
|
// misc demo stuff...
|
|
var UPDATE_ELEMENT_TEXT = true
|
|
function toggleNumberUpdate(){
|
|
if(UPDATE_ELEMENT_TEXT){
|
|
UPDATE_ELEMENT_TEXT = false
|
|
} else {
|
|
UPDATE_ELEMENT_TEXT = true
|
|
}
|
|
}
|
|
|
|
|
|
|
|
// init things...
|
|
$(function(){
|
|
$('.container')
|
|
// NOTE: this event will get completed BEFORE the element is focused.
|
|
.on('shiftfocus', function(evt, n){
|
|
|
|
// update squares -- numbers...
|
|
if(UPDATE_ELEMENT_TEXT){
|
|
var sq = $(this).children('.square')
|
|
if(n > 0){
|
|
var s = sq.last().text()*1 + 1
|
|
} else if(n < 0){
|
|
var s = sq.first().text()*1 + n
|
|
} else {
|
|
return
|
|
}
|
|
rollContainer(n).each(function(i, e){
|
|
$(this).text(i + s)
|
|
})
|
|
|
|
// roll as-is...
|
|
} else {
|
|
rollContainer(n)
|
|
}
|
|
})
|
|
|
|
$('.square')
|
|
.click(clickHandler)
|
|
|
|
})
|
|
|
|
|
|
</script>
|
|
|
|
<style>
|
|
|
|
.container {
|
|
position: relative;
|
|
display: inline-block;
|
|
height: auto;
|
|
min-width: 0px;
|
|
overflow: visible;
|
|
white-space: nowrap;
|
|
font-size: 0;
|
|
|
|
background: gray;
|
|
padding: 10px;
|
|
}
|
|
|
|
.square {
|
|
position: relative;
|
|
display: inline-block;
|
|
vertical-align: middle;
|
|
text-align;left;
|
|
width: 100px;
|
|
height: 100px;
|
|
background: silver;
|
|
font-size: 12pt;
|
|
}
|
|
|
|
.current.square {
|
|
background: red;
|
|
}
|
|
|
|
</style>
|
|
|
|
<body>
|
|
|
|
|
|
<button onclick="shiftFocus(-5)"><<</button>
|
|
<button onclick="shiftFocus(-1)"><</button>
|
|
<button onclick="shiftFocus(1)">></button>
|
|
<button onclick="shiftFocus(5)">>></button>
|
|
|
|
<button onclick="toggleNumberUpdate()">toggle square number update</button>
|
|
|
|
|
|
<div class="meta-container">
|
|
<div class="container">
|
|
<div class="square">1</div>
|
|
<div class="square">2</div>
|
|
<div class="square current">3</div>
|
|
<div class="square">4</div>
|
|
<div class="square">5</div>
|
|
<div class="square">6</div>
|
|
<div class="square">7</div>
|
|
</div>
|
|
</div>
|
|
|
|
|
|
</body>
|
|
<!-- vim:set ts=4 sw=4 : -->
|
|
</html>
|