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Arreglado problema con el scroll vertical hecho en JS.

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git-svn-id: https://192.168.0.254/svn/Proyectos.IRFineArts_Web/trunk@24 88734cd7-4cec-0b49-a19b-cefba6b9d6f8
This commit is contained in:
David Arranz 2011-05-19 18:10:17 +00:00
parent 43ebd65ed6
commit 637238fd0c
3 changed files with 70 additions and 69 deletions
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2
estilos.css
View File

@ -340,7 +340,7 @@ ul.miniaturas li span {
#scroll-pane {
float:left;
overflow: auto;
overflow: hidden;
width: 50%;
height:450px;
position:relative;

133
js/vertical.slider.js
View File

@ -1,66 +1,67 @@
$(function() {
//change the main div to overflow-hidden as we can use the slider now
$('#scroll-pane').css('overflow','hidden');
//compare the height of the scroll content to the scroll pane to see if we need a scrollbar
var difference = $('#scroll-content').height()-$('#scroll-pane').height();//eg it's 200px longer
if(difference>0)//if the scrollbar is needed, set it up...
{
var proportion = difference / $('#scroll-content').height();//eg 200px/500px
var handleHeight = Math.round((1-proportion)*$('#scroll-pane').height());//set the proportional height - round it to make sure everything adds up correctly later on
handleHeight -= handleHeight%2;
$("#scroll-pane").after('<\div id="slider-wrap"><\div id="slider-vertical"><\/div><\/div>');//append the necessary divs so they're only there if needed
$("#slider-wrap").height($("#scroll-pane").height());//set the height of the slider bar to that of the scroll pane
//set up the slider
$('#slider-vertical').slider({
orientation: 'vertical',
min: 0,
max: 100,
value: 100,
slide: function(event, ui) {//used so the content scrolls when the slider is dragged
var topValue = -((100-ui.value)*difference/100);
$('#scroll-content').css({top:topValue});//move the top up (negative value) by the percentage the slider has been moved times the difference in height
},
change: function(event, ui) {//used so the content scrolls when the slider is changed by a click outside the handle or by the mousewheel
var topValue = -((100-ui.value)*difference/100);
$('#scroll-content').css({top:topValue});//move the top up (negative value) by the percentage the slider has been moved times the difference in height
}
});
//set the handle height and bottom margin so the middle of the handle is in line with the slider
$(".ui-slider-handle").css({height:handleHeight,'margin-bottom':-0.5*handleHeight});
var origSliderHeight = $("#slider-vertical").height();//read the original slider height
var sliderHeight = origSliderHeight - handleHeight ;//the height through which the handle can move needs to be the original height minus the handle height
var sliderMargin = (origSliderHeight - sliderHeight)*0.5;//so the slider needs to have both top and bottom margins equal to half the difference
$(".ui-slider").css({height:sliderHeight,'margin-top':sliderMargin});//set the slider height and margins
}//end if
$(".ui-slider").click(function(event){//stop any clicks on the slider propagating through to the code below
event.stopPropagation();
});
$("#slider-wrap").click(function(event){//clicks on the wrap outside the slider range
var offsetTop = $(this).offset().top;//read the offset of the scroll pane
var clickValue = (event.pageY-offsetTop)*100/$(this).height();//find the click point, subtract the offset, and calculate percentage of the slider clicked
$("#slider-vertical").slider("value", 100-clickValue);//set the new value of the slider
});
//additional code for mousewheel
$("#scroll-pane,#slider-wrap").mousewheel(function(event, delta){
var speed = 5;
var sliderVal = $("#slider-vertical").slider("value");//read current value of the slider
sliderVal += (delta*speed);//increment the current value
$("#slider-vertical").slider("value", sliderVal);//and set the new value of the slider
event.preventDefault();//stop any default behaviour
});
});
//$(function() {
function scrollV() {
//change the main div to overflow-hidden as we can use the slider now
$('#scroll-pane').css('overflow','hidden');
//compare the height of the scroll content to the scroll pane to see if we need a scrollbar
var difference = $('#scroll-content').height()-$('#scroll-pane').height();//eg it's 200px longer
if(difference>0)//if the scrollbar is needed, set it up...
{
var proportion = difference / $('#scroll-content').height();//eg 200px/500px
var handleHeight = Math.round((1-proportion)*$('#scroll-pane').height());//set the proportional height - round it to make sure everything adds up correctly later on
handleHeight -= handleHeight%2;
$("#scroll-pane").after('<\div id="slider-wrap"><\div id="slider-vertical"><\/div><\/div>');//append the necessary divs so they're only there if needed
$("#slider-wrap").height($("#scroll-pane").height());//set the height of the slider bar to that of the scroll pane
//set up the slider
$('#slider-vertical').slider({
orientation: 'vertical',
min: 0,
max: 100,
value: 100,
slide: function(event, ui) {//used so the content scrolls when the slider is dragged
var topValue = -((100-ui.value)*difference/100);
$('#scroll-content').css({top:topValue});//move the top up (negative value) by the percentage the slider has been moved times the difference in height
},
change: function(event, ui) {//used so the content scrolls when the slider is changed by a click outside the handle or by the mousewheel
var topValue = -((100-ui.value)*difference/100);
$('#scroll-content').css({top:topValue});//move the top up (negative value) by the percentage the slider has been moved times the difference in height
}
});
//set the handle height and bottom margin so the middle of the handle is in line with the slider
$(".ui-slider-handle").css({height:handleHeight,'margin-bottom':-0.5*handleHeight});
var origSliderHeight = $("#slider-vertical").height();//read the original slider height
var sliderHeight = origSliderHeight - handleHeight ;//the height through which the handle can move needs to be the original height minus the handle height
var sliderMargin = (origSliderHeight - sliderHeight)*0.5;//so the slider needs to have both top and bottom margins equal to half the difference
$(".ui-slider").css({height:sliderHeight,'margin-top':sliderMargin});//set the slider height and margins
}//end if
$(".ui-slider").click(function(event){//stop any clicks on the slider propagating through to the code below
event.stopPropagation();
});
$("#slider-wrap").click(function(event){//clicks on the wrap outside the slider range
var offsetTop = $(this).offset().top;//read the offset of the scroll pane
var clickValue = (event.pageY-offsetTop)*100/$(this).height();//find the click point, subtract the offset, and calculate percentage of the slider clicked
$("#slider-vertical").slider("value", 100-clickValue);//set the new value of the slider
});
//additional code for mousewheel
$("#scroll-pane,#slider-wrap").mousewheel(function(event, delta){
var speed = 5;
var sliderVal = $("#slider-vertical").slider("value");//read current value of the slider
sliderVal += (delta*speed);//increment the current value
$("#slider-vertical").slider("value", sliderVal);//and set the new value of the slider
event.preventDefault();//stop any default behaviour
});
};

4
prensa.php
View File

@ -8,7 +8,7 @@
<script type="text/javascript" src="/js/jquery.mousewheel.min.js"></script>
<script type="text/javascript" src="/js/vertical.slider.js"></script>
</head>
<body>
<body onload="scrollV()">
<div id="vertical"></div>
<div id="container">
<div id="header">
@ -32,7 +32,7 @@
<h2>SUBASTAS SIGLO XXI</h2>
<p class="fecha">Noviembre de 2009</p>
<p><a target="_blank" href="reportajes/subastasXXI-1.jpg"><img src="reportajes/subastasXXI-1_small.jpg" alt="Subastas Siglo XXI Noviembre 2009"/></a>&nbsp;&nbsp;&nbsp;<a target="_blank" href="reportajes/subastasXXI-2.jpg"><img src="reportajes/subastasXXI-2_small.jpg" alt="Subastas Siglo XXI Noviembre 2009"/></a></p>
<h2>Reportaje en revista "Descubrir el arte"</h2>
<h2>Reportaje en revista 'Descubrir el arte'</h2>
<p class="fecha">Noviembre de 2009</p>
<p><a target="_blank" href="reportajes/reportaje-descubrir-el-arte-1.jpg"><img src="reportajes/reportaje-descubrir-el-arte-1_small.jpg" alt="Reportaje en revista 'Descubrir el arte'"/></a>&nbsp;&nbsp;&nbsp;<a target="_blank" href="reportajes/reportaje-descubrir-el-arte-2.jpg"><img src="reportajes/reportaje-descubrir-el-arte-2_small.jpg" alt="Reportaje en revista 'Descubrir el arte'"/></a></p>
<br/>