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/*
* Material Experience - Card Layout Engines Class
*
* EYEMG - Interactive Media Group
* Created by Mike Crute (mcrute@eyemg.com)
* Updated by Mike Crute (mcrute@eyemg.com) on 9/26/07
*/
Card.Layout.Custom = Class.create();
Object.extend(Object.extend(Card.Layout.Custom.prototype, Card.Layout.prototype),
{
/*
* Initialize the layout class
*/
initialize: function(cframe, data, card)
{
this.cframe = cframe;
this.data = data;
this.card = card;
this.color = this.card.options.color;
this.hasResources = false;
this.inited = false;
},
/*
* Create custom scroll bars for an HTML element.
*/
scrollify: function(div, isiframe)
{
var div2 = null;
// Inherit the color from a link
var color = $$('ul#navigation li a')[0].getStyle('background-color');
if (isiframe)
{
div2 = div.contentWindow.document.documentElement;
}
else
{
div2 = div;
}
// Create the scroll container and draggable widget
this.cframe.appendChild(
this.scrollCont = Builder.node('div',
{
style: 'border-left: 1px solid ' + color + ';' +
'width: 1px; position: absolute; ' +
'height:' + div.offsetHeight + 'px; ' +
'top: 10px;' + 'left: ' + (div.offsetLeft + div.offsetWidth + 12) + 'px;'
},
this.scrollBar = Builder.node('img',
{
src: 'http://materialexperience.santoprene.com/images/pill.gif',
style: 'display: block; margin-left: -3px; cursor: move; ' +
'background: ' + color + '; padding: 0px;'
})
));
// Create the scroller
this.scroller = new Control.Slider(this.scrollBar, this.scrollCont,
{
axis: 'vertical',
range: $R(0, div2.scrollHeight),
onSlide: function(value)
{
div2.scrollTop = Math.floor(value);
}.bind(this)
});
new PeriodicalExecuter(function()
{
// Hide the scroller if there isn't a need for it
if (div2.scrollHeight > 480)
{
this.scrollCont.show();
}
else
{
this.scrollCont.hide();
return;
}
// Update the scroller range when the contents change
this.scroller.range = $R(0, div2.scrollHeight);
// Move the scroller when the scrolled element changes
// (e.g. linking down into the page).
if (this.scroller.value != div2.scrollTop)
{
this.scroller.setValue(div2.scrollTop);
}
}.bind(this), 1);
},
initIframe: function(url)
{
$('wideCol').innerHTML = '<iframe ' +
'src = "' + url + '" ' +
'frameborder = "0" ' +
'scrolling = "auto" ' +
'width = "660" ' +
'height = "460" ' +
'id = "wide_content" ' +
'name = "wide_content" ' +
'></iframe>';
},
/*
* Main function to layout the card.
*/
layout: function()
{
var htmlstr = '<div id="narrowCol" style="float: left; margin: 10px 0px 0px 20px; width: 200px; height: 460px; overflow: hidden;"><ul id="navigation">';
this.data.contentNarrow.each(function(item)
{
htmlstr += '<li><a target="wide_content" href="' + item.url + '">' + item.title + '</a>';
if (item.subitems)
{
var parentUrl = item.url;
htmlstr += '<ul>';
item.subitems.each(function(subitem)
{
htmlstr += '<li><a target="wide_content" href="' + parentUrl + '#' + subitem.url + '">' + subitem.title + '</a></li>';
}.bind(this));
htmlstr += '</ul></li>';
}
else
{
htmlstr += '</li>';
}
}.bind(this));
htmlstr += '</ul></div><div id="wideCol" style="width: 660px; height: 460px; float: right; margin: 10px 10px 0px 0px;"></div>';
this.cframe.innerHTML = htmlstr;
if (this.data.intro)
{
$('wideCol').innerHTML = this.data.intro;
}
// this.scrollify($('wide_content'), true);
this.scrollify($('narrowCol'));
// Hide everything first
$$('ul#navigation li ul').each(function(item)
{
item.setStyle({ display: 'none' });
});
var curr = null;
// Then attach the onclick events
$$('ul#navigation li').each(function(item)
{
Event.observe(item, 'click', function(event)
{
// Hide the currently opened item if it is clicked again
// per BS.
if (curr && item == curr)
{
curr.down('ul').hide();
item.setStyle({ borderLeft: '0px' });
curr = null;
return;
}
curr = item;
// Hide everything
$$('ul#navigation li ul').each(function(item)
{
item.setStyle({ display: 'none' });
});
// Clear out the borders
$$('ul#navigation li').each(function(item)
{
item.setStyle({ borderLeft: '' });
});
// Figure out what color we SHOULD be, this will change
// depending on the card color we are on so just rely
// on the designer to communicate through the CSS,
// probably not wise relying on a designer for code
// but alas...
var color = $$('ul#navigation li a')[0].getStyle('background-color');
this.initIframe(item.href);
// Catch and execute or just leave it lie
try
{
if (item.down('ul').style.display != 'none')
{
item.down('ul').hide();
Event.stop(event);
return;
}
item.down('ul').show();
item.setStyle({ borderLeft: '3px solid ' + color });
//Event.stop(event);
}
catch (e)
{
// Just let the link do its thing
}
}.bind(this));
}.bind(this));
}
});
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