cloudstack/ui/scripts/ui/widgets/cloudBrowser.js

376 lines
10 KiB
JavaScript

(function($, cloudStack) {
cloudStack.ui.widgets.browser = {};
/**
* Breadcrumb-related functions
*/
var _breadcrumb = cloudStack.ui.widgets.browser.breadcrumb = {
fixSize: function($breadcrumbContainer) {
var width = 0;
var containerWidth = $breadcrumbContainer.width();
var $elems = $breadcrumbContainer.find('ul li, div');
$elems.each(function() {
width += $(this).width();
});
if (width > containerWidth) {
$elems.filter('li').each(function() {
var targetWidth = $(this).width() - (
(width - containerWidth) / $elems.filter('li').size()
) - 10;
$(this).width(targetWidth);
// Concatenate title
var $text = $(this).find('span');
var text = $(this).attr('title');
$text.html(
text
.substring(0, text.length - targetWidth / 15)
.concat('...')
);
});
} else {
$elems.css({ width: '' });
$elems.find('span').each(function() {
$(this).html($(this).closest('li').attr('title'));
});
}
},
/**
* Generate new breadcrumb
*/
create: function($panel, title) {
// Attach panel as ref for breadcrumb
return cloudStack.ui.event.elem(
'cloudBrowser', 'breadcrumb',
$('<div>')
.append(
$('<li>')
.attr({
title: title
})
.append(
$('<span>').html(title)
)
)
.append($('<div>').addClass('end'))
.children(),
{
panel: $panel
}
);
},
/**
* Get breadcrumbs matching specified panels
*/
filter: function($panels) {
var $breadcrumbs = $('#breadcrumbs ul li');
var $result = $([]);
$panels.each(function() {
var $panel = $(this);
$.merge(
$result,
$.merge(
$breadcrumbs.filter(function() {
return $(this).index('#breadcrumbs ul li') == $panel.index();
}),
// Also include ends
$breadcrumbs.siblings('div.end').filter(function() {
return $(this).index('div.end') == $panel.index() + 1;
})
)
);
});
return $result;
}
};
/**
* Container-related functions
*/
var _container = cloudStack.ui.widgets.browser.container = {
/**
* Get all panels from container
*/
panels: function($container) {
return $container.find('div.panel');
}
};
/**
* Panel-related functions
*/
var _panel = cloudStack.ui.widgets.browser.panel = {
/**
* Compute width of panel, relative to container
*/
width: function($container, options) {
options = options ? options : {};
var width = $container.find('div.panel').size() < 1 || options.maximized == true ?
$container.width() : $container.width() - $container.width() / 4;
return width;
},
/**
* Get left position
*/
position: function($container, options) {
return $container.find('div.panel').size() <= 1 || options.maximized == true ?
0 : _panel.width($container, options) - _panel.width($container, options) / 1.5;
},
/**
* Get the top panel z-index, for proper stacking
*/
topIndex: function($container) {
var base = 50; // Minimum z-index
return Math.max.apply(
null,
$.map(
$container.find('div.panel'),
function(elem) {
return parseInt($(elem).css('z-index')) || base;
}
)
) + 1;
},
/**
* State when panel is outside container
*/
initialState: function($container) {
return {
left: $container.width()
};
},
/**
* Get panel and breadcrumb behind specific panel
*/
lower: function($container, $panel) {
return _container.panels($container).filter(function() {
return $(this).index() < $panel.index();
});
},
/**
* Get panel and breadcrumb stacked above specific panel
*/
higher: function($container, $panel) {
return _container.panels($container).filter(function() {
return $(this).index() > $panel.index();
});
},
/**
* Generate new panel
*/
create: function($container, options) {
var $panel = $('<div>').addClass('panel').css(
{
position: 'absolute',
width: _panel.width($container, { maximized: options.maximized }),
zIndex: _panel.topIndex($container)
}
).append(
// Shadow
$('<div>').addClass('shadow')
).append(options.data);
if (options.maximized) $panel.addClass('always-maximized');
return $panel;
}
};
/**
* Browser -- jQuery widget
*/
$.widget('cloudStack.cloudBrowser', {
_init: function() {
this.element.addClass('cloudStack-widget cloudBrowser');
$('#breadcrumbs').append(
$('<ul>')
);
},
/**
* Make target panel the top-most
*/
selectPanel: function(args) {
var $panel = args.panel;
var $container = this.element;
var $toShow = _panel.lower($container, $panel);
var $toRemove = _panel.higher($container, $panel);
var complete = args.complete;
if ($panel.hasClass('maximized')) return false;
_breadcrumb.filter($toRemove).remove();
_breadcrumb.filter($panel.siblings()).removeClass('active');
_breadcrumb.filter($panel).addClass('active');
_breadcrumb.filter($('div.panel')).find('span').animate({
opacity: 1
});
_breadcrumb.filter(
$('div.panel.maximized')
.removeClass('maximized')
.addClass('reduced')
).removeClass('active maximized');
_breadcrumb.fixSize($('#breadcrumbs'));
$toRemove.animate(
_panel.initialState($container),
{
duration: 500,
complete: function() {
$(this).remove();
if (complete) complete($toShow);
}
}
);
$toShow.show();
$panel.animate({
left: _panel.position($container, { maximized: $panel.hasClass('always-maximized') })
});
$panel.show().removeClass('reduced');
},
/**
* Toggle selected panel as fully expanded, hiding/showing other panels
*/
toggleMaximizePanel: function(args) {
var $panel = args.panel;
var $container = this.element;
var $toHide = $panel.siblings(':not(.always-maximized)');
if (args.panel.hasClass('maximized')) {
_breadcrumb.filter($panel).removeClass('maximized');
$panel.removeClass('maximized');
$panel.addClass('reduced');
_breadcrumb.filter($panel.siblings()).find('span').animate({ opacity: 1 });
$toHide.animate({ left: _panel.position($container, {}) },
{ duration: 500 });
} else {
_breadcrumb.filter($panel).addClass('maximized');
$panel.removeClass('reduced');
$panel.addClass('maximized');
_breadcrumb.filter($panel.siblings()).find('span').animate({ opacity: 0.5 });
$toHide.animate(_panel.initialState($container),
{ duration: 500 });
}
},
/**
* Append new panel to end of container
*/
addPanel: function(args) {
var duration = args.duration ? args.duration : 500;
var $container = this.element;
var $parent = args.parent;
var $panel, $reduced, targetPosition;
// Create panel
$panel = _panel.create(this.element, {
maximized: args.maximizeIfSelected,
data: args.data
});
// Remove existing panels from parent
if ($parent) {
// Cleanup transitioning panels -- prevent old complete actions from running
$parent.siblings().stop();
_breadcrumb.filter(
$('div.panel.maximized')
.removeClass('maximized')
.addClass('reduced')
).removeClass('active maximized');
$parent.removeClass('maximized');
_breadcrumb.filter($parent.next()).remove();
$container.find($parent.next()).remove();
}
// Append panel
$panel.appendTo($container);
_breadcrumb.filter($panel.siblings()).removeClass('active');
_breadcrumb.create($panel, args.title)
.addClass('active')
.appendTo('#breadcrumbs ul');
_breadcrumb.fixSize($('#breadcrumbs'));
// Reduced appearance for previous panels
$panel.siblings().filter(function() {
return $(this).index() < $panel.index();
}).addClass('reduced');
// Panel initial state
if ($panel.index() == 0) $panel.addClass('always-maximized');
$panel.css(
_panel.initialState($container, $panel)
);
// Panel slide-in
targetPosition = _panel.position($container, {
maximized: args.maximizeIfSelected
});
if (!$panel.index()) {
// Just show immediately if this is the first panel
$panel.css(
{ left: targetPosition }
);
if (args.complete) args.complete($panel);
} else {
// Animate slide-in
$panel.animate({ left: targetPosition }, {
duration: duration,
easing: 'easeOutCirc',
complete: function() {
// Hide panels
$panel.siblings().filter(function() {
return $(this).width() == $panel.width();
});
if ($panel.is(':visible') && args.complete) args.complete($panel);
}
});
};
return $panel;
},
/**
* Clear all panels
*/
removeAllPanels: function(args) {
this.element.find('div.panel').remove();
$('#breadcrumbs').find('ul li').remove();
$('#breadcrumbs').find('ul div.end').remove();
_breadcrumb.fixSize($('#breadcrumbs'));
}
});
$('#breadcrumbs li').live('click', cloudStack.ui.event.bind(
'cloudBrowser',
{
'breadcrumb': function($target, $browser, data) {
$browser.cloudBrowser('selectPanel', { panel: data.panel });
}
}
));
})(jQuery, cloudStack);