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(function(window, document) {
var modalDiv = null,
tooltipDiv = null,
tooltipTimeout = null;
LuCI.prototype = {
/* URL construction helpers */
path: function(prefix, parts) {
var url = [ prefix || '' ];
for (var i = 0; i < parts.length; i++)
if (/^(?:[a-zA-Z0-9_.%,;-]+\/)*[a-zA-Z0-9_.%,;-]+$/.test(parts[i]))
url.push('/', parts[i]);
if (url.length === 1)
url.push('/');
return url.join('');
},
url: function() {
return this.path(this.env.scriptname, arguments);
},
resource: function() {
return this.path(this.env.resource, arguments);
},
location: function() {
return this.path(this.env.scriptname, this.env.requestpath);
},
/* HTTP resource fetching */
get: function(url, args, cb) {
return this.poll(0, url, args, cb, false);
},
post: function(url, args, cb) {
return this.poll(0, url, args, cb, true);
},
poll: function(interval, url, args, cb, post) {
var data = post ? { token: this.env.token } : null;
if (!/^(?:\/|\S+:\/\/)/.test(url))
url = this.url(url);
if (typeof(args) === 'object' && args !== null) {
data = data || {};
for (var key in args)
if (args.hasOwnProperty(key))
switch (typeof(args[key])) {
case 'string':
case 'number':
case 'boolean':
data[key] = args[key];
break;
case 'object':
data[key] = JSON.stringify(args[key]);
break;
}
}
if (interval > 0)
return XHR.poll(interval, url, data, cb, post);
else if (post)
return XHR.post(url, data, cb);
else
return XHR.get(url, data, cb);
},
/* Modal dialog */
showModal: function(title, children) {
var dlg = modalDiv.firstElementChild;
while (dlg.firstChild)
dlg.removeChild(dlg.firstChild);
dlg.setAttribute('class', 'modal');
dlg.appendChild(E('h4', {}, title));
if (!Array.isArray(children))
children = [ children ];
for (var i = 0; i < children.length; i++)
if (isElem(children[i]))
dlg.appendChild(children[i]);
else
dlg.appendChild(document.createTextNode('' + children[i]));
document.body.classList.add('modal-overlay-active');
return dlg;
},
hideModal: function() {
document.body.classList.remove('modal-overlay-active');
},
/* Tooltip */
showTooltip: function(ev) {
var target = findParent(ev.target, '[data-tooltip]');
if (!target)
return;
if (tooltipTimeout !== null) {
window.clearTimeout(tooltipTimeout);
tooltipTimeout = null;
}
var rect = target.getBoundingClientRect(),
x = rect.left + window.pageXOffset,
y = rect.top + rect.height + window.pageYOffset;
tooltipDiv.className = 'cbi-tooltip';
tooltipDiv.innerHTML = '▲ ';
tooltipDiv.firstChild.data += target.getAttribute('data-tooltip');
if (target.hasAttribute('data-tooltip-style'))
tooltipDiv.classList.add(target.getAttribute('data-tooltip-style'));
if ((y + tooltipDiv.offsetHeight) > (window.innerHeight + window.pageYOffset)) {
y -= (tooltipDiv.offsetHeight + target.offsetHeight);
tooltipDiv.firstChild.data = '▼ ' + tooltipDiv.firstChild.data.substr(2);
}
tooltipDiv.style.top = y + 'px';
tooltipDiv.style.left = x + 'px';
tooltipDiv.style.opacity = 1;
},
hideTooltip: function(ev) {
if (ev.target === tooltipDiv || ev.relatedTarget === tooltipDiv)
return;
if (tooltipTimeout !== null) {
window.clearTimeout(tooltipTimeout);
tooltipTimeout = null;
}
tooltipDiv.style.opacity = 0;
tooltipTimeout = window.setTimeout(function() { tooltipDiv.removeAttribute('style'); }, 250);
}
};
function LuCI(env) {
this.env = env;
modalDiv = document.body.appendChild(E('div', { id: 'modal_overlay' }, E('div', { class: 'modal' })));
tooltipDiv = document.body.appendChild(E('div', { 'class': 'cbi-tooltip' }));
document.addEventListener('mouseover', this.showTooltip.bind(this), true);
document.addEventListener('mouseout', this.hideTooltip.bind(this), true);
document.addEventListener('focus', this.showTooltip.bind(this), true);
document.addEventListener('blur', this.hideTooltip.bind(this), true);
}
window.LuCI = LuCI;
})(window, document);
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