luci-app-opkg: move JS code into external file

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

1 files changed, 812 insertions, 0 deletions

diff --git a/applications/luci-app-opkg/htdocs/luci-static/resources/view/opkg.js b/applications/luci-app-opkg/htdocs/luci-static/resources/view/opkg.js
new file mode 100644
index 0000000000..c2fe2d9fa9
--- /dev/null
+++ b/applications/luci-app-opkg/htdocs/luci-static/resources/view/opkg.js
@@ -0,0 +1,812 @@
+var packages = {
+	available: { providers: {}, pkgs: {} },
+	installed: { providers: {}, pkgs: {} }
+};
+
+var currentDisplayMode = 'available', currentDisplayRows = [];
+
+function parseList(s, dest)
+{
+	var re = /([^\n]*)\n/g,
+	    pkg = null, key = null, val = null, m;
+
+	while ((m = re.exec(s)) !== null) {
+		if (m[1].match(/^\s(.*)$/)) {
+			if (pkg !== null && key !== null && val !== null)
+				val += '\n' + RegExp.$1.trim();
+
+			continue;
+		}
+
+		if (key !== null && val !== null) {
+			switch (key) {
+			case 'package':
+				pkg = { name: val };
+				break;
+
+			case 'depends':
+			case 'provides':
+				var list = val.split(/\s*,\s*/);
+				if (list.length !== 1 || list[0].length > 0)
+					pkg[key] = list;
+				break;
+
+			case 'installed-time':
+				pkg.installtime = new Date(+val * 1000);
+				break;
+
+			case 'installed-size':
+				pkg.installsize = +val;
+				break;
+
+			case 'status':
+				var stat = val.split(/\s+/),
+				    mode = stat[1],
+				    installed = stat[2];
+
+				switch (mode) {
+				case 'user':
+				case 'hold':
+					pkg[mode] = true;
+					break;
+				}
+
+				switch (installed) {
+				case 'installed':
+					pkg.installed = true;
+					break;
+				}
+				break;
+
+			case 'essential':
+				if (val === 'yes')
+					pkg.essential = true;
+				break;
+
+			case 'size':
+				pkg.size = +val;
+				break;
+
+			case 'architecture':
+			case 'auto-installed':
+			case 'filename':
+			case 'sha256sum':
+			case 'section':
+				break;
+
+			default:
+				pkg[key] = val;
+				break;
+			}
+
+			key = val = null;
+		}
+
+		if (m[1].trim().match(/^([\w-]+)\s*:(.+)$/)) {
+			key = RegExp.$1.toLowerCase();
+			val = RegExp.$2.trim();
+		}
+		else {
+			dest.pkgs[pkg.name] = pkg;
+
+			var provides = dest.providers[pkg.name] ? [] : [ pkg.name ];
+
+			if (pkg.provides)
+				provides.push.apply(provides, pkg.provides);
+
+			provides.forEach(function(p) {
+				dest.providers[p] = dest.providers[p] || [];
+				dest.providers[p].push(pkg);
+			});
+		}
+	}
+}
+
+function display(pattern)
+{
+	var src = packages[currentDisplayMode === 'updates' ? 'installed' : currentDisplayMode],
+	    table = document.querySelector('#packages'),
+	    pager = document.querySelector('#pager');
+
+	currentDisplayRows.length = 0;
+
+	if (typeof(pattern) === 'string' && pattern.length > 0)
+		pattern = new RegExp(pattern.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'), 'ig');
+
+	for (var name in src.pkgs) {
+		var pkg = src.pkgs[name],
+		    desc = pkg.description || '',
+		    altsize = null;
+
+		if (!pkg.size && packages.available.pkgs[name])
+			altsize = packages.available.pkgs[name].size;
+
+		if (!desc && packages.available.pkgs[name])
+			desc = packages.available.pkgs[name].description || '';
+
+		desc = desc.split(/\n/);
+		desc = desc[0].trim() + (desc.length > 1 ? '…' : '');
+
+		if ((pattern instanceof RegExp) &&
+		    !name.match(pattern) && !desc.match(pattern))
+			continue;
+
+		var btn, ver;
+
+		if (currentDisplayMode === 'updates') {
+			var avail = packages.available.pkgs[name];
+			if (!avail || avail.version === pkg.version)
+				continue;
+
+			ver = '%s » %s'.format(
+				truncateVersion(pkg.version || '-'),
+				truncateVersion(avail.version || '-'));
+
+			btn = E('div', {
+				'class': 'btn cbi-button-positive',
+				'data-package': name,
+				'click': handleInstall
+			}, _('Upgrade…'));
+		}
+		else if (currentDisplayMode === 'installed') {
+			ver = truncateVersion(pkg.version || '-');
+			btn = E('div', {
+				'class': 'btn cbi-button-negative',
+				'data-package': name,
+				'click': handleRemove
+			}, _('Remove'));
+		}
+		else {
+			ver = truncateVersion(pkg.version || '-');
+
+			if (!packages.installed.pkgs[name])
+				btn = E('div', {
+					'class': 'btn cbi-button-action',
+					'data-package': name,
+					'click': handleInstall
+				}, _('Install…'));
+			else if (packages.installed.pkgs[name].version != pkg.version)
+				btn = E('div', {
+					'class': 'btn cbi-button-positive',
+					'data-package': name,
+					'click': handleInstall
+				}, _('Upgrade…'));
+			else
+				btn = E('div', {
+					'class': 'btn cbi-button-neutral',
+					'disabled': 'disabled'
+				}, _('Installed'));
+		}
+
+		name = '%h'.format(name);
+		desc = '%h'.format(desc || '-');
+
+		if (pattern) {
+			name = name.replace(pattern, '<ins>$&</ins>');
+			desc = desc.replace(pattern, '<ins>$&</ins>');
+		}
+
+		currentDisplayRows.push([
+			name,
+			ver,
+			pkg.size ? '%.1024mB'.format(pkg.size)
+			         : (altsize ? '~%.1024mB'.format(altsize) : '-'),
+			desc,
+			btn
+		]);
+	}
+
+	currentDisplayRows.sort(function(a, b) {
+		if (a[0] < b[0])
+			return -1;
+		else if (a[0] > b[0])
+			return 1;
+		else
+			return 0;
+	});
+
+	pager.parentNode.style.display = '';
+	pager.setAttribute('data-offset', 100);
+	handlePage({ target: pager.querySelector('.prev') });
+}
+
+function handlePage(ev)
+{
+	var filter = document.querySelector('input[name="filter"]'),
+	    pager = ev.target.parentNode,
+	    offset = +pager.getAttribute('data-offset'),
+	    next = ev.target.classList.contains('next');
+
+	if ((next && (offset + 100) >= currentDisplayRows.length) ||
+	    (!next && (offset < 100)))
+	    return;
+
+	offset += next ? 100 : -100;
+	pager.setAttribute('data-offset', offset);
+	pager.querySelector('.text').firstChild.data = currentDisplayRows.length
+		? _('Displaying %d-%d of %d').format(1 + offset, Math.min(offset + 100, currentDisplayRows.length), currentDisplayRows.length)
+		: _('No packages');
+
+	if (offset < 100)
+		pager.querySelector('.prev').setAttribute('disabled', 'disabled');
+	else
+		pager.querySelector('.prev').removeAttribute('disabled');
+
+	if ((offset + 100) >= currentDisplayRows.length)
+		pager.querySelector('.next').setAttribute('disabled', 'disabled');
+	else
+		pager.querySelector('.next').removeAttribute('disabled');
+
+	var placeholder = _('No information available');
+
+	if (filter.value)
+		placeholder = [
+			E('span', {}, _('No packages matching "<strong>%h</strong>".').format(filter.value)), ' (',
+			E('a', { href: '#', onclick: 'handleReset(event)' }, _('Reset')), ')'
+		];
+
+	cbi_update_table('#packages', currentDisplayRows.slice(offset, offset + 100),
+		placeholder);
+}
+
+function handleMode(ev)
+{
+	var tab = findParent(ev.target, 'li');
+	if (tab.getAttribute('data-mode') === currentDisplayMode)
+		return;
+
+	tab.parentNode.querySelectorAll('li').forEach(function(li) {
+		li.classList.remove('cbi-tab');
+		li.classList.add('cbi-tab-disabled');
+	});
+
+	tab.classList.remove('cbi-tab-disabled');
+	tab.classList.add('cbi-tab');
+
+	currentDisplayMode = tab.getAttribute('data-mode');
+
+	display(document.querySelector('input[name="filter"]').value);
+
+	ev.target.blur();
+	ev.preventDefault();
+}
+
+function orderOf(c)
+{
+	if (c === '~')
+		return -1;
+	else if (c === '' || c >= '0' && c <= '9')
+		return 0;
+	else if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'))
+		return c.charCodeAt(0);
+	else
+		return c.charCodeAt(0) + 256;
+}
+
+function compareVersion(val, ref)
+{
+	var vi = 0, ri = 0,
+	    isdigit = { 0:1, 1:1, 2:1, 3:1, 4:1, 5:1, 6:1, 7:1, 8:1, 9:1 };
+
+	val = val || '';
+	ref = ref || '';
+
+	while (vi < val.length || ri < ref.length) {
+		var first_diff = 0;
+
+		while ((vi < val.length && !isdigit[val.charAt(vi)]) ||
+		       (ri < ref.length && !isdigit[ref.charAt(ri)])) {
+			var vc = orderOf(val.charAt(vi)), rc = orderOf(ref.charAt(ri));
+			if (vc !== rc)
+				return vc - rc;
+
+			vi++; ri++;
+		}
+
+		while (val.charAt(vi) === '0')
+			vi++;
+
+		while (ref.charAt(ri) === '0')
+			ri++;
+
+		while (isdigit[val.charAt(vi)] && isdigit[ref.charAt(ri)]) {
+			first_diff = first_diff || (val.charCodeAt(vi) - ref.charCodeAt(ri));
+			vi++; ri++;
+		}
+
+		if (isdigit[val.charAt(vi)])
+			return 1;
+		else if (isdigit[ref.charAt(ri)])
+			return -1;
+		else if (first_diff)
+			return first_diff;
+	}
+
+	return 0;
+}
+
+function versionSatisfied(ver, ref, vop)
+{
+	var r = compareVersion(ver, ref);
+
+	switch (vop) {
+	case '<':
+	case '<=':
+		return r <= 0;
+
+	case '>':
+	case '>=':
+		return r >= 0;
+
+	case '<<':
+		return r < 0;
+
+	case '>>':
+		return r > 0;
+
+	case '=':
+		return r == 0;
+	}
+
+	return false;
+}
+
+function pkgStatus(pkg, vop, ver, info)
+{
+	info.errors = info.errors || [];
+	info.install = info.install || [];
+
+	if (pkg.installed) {
+		if (vop && !versionSatisfied(pkg.version, ver, vop)) {
+			var repl = null;
+
+			(packages.available.providers[pkg.name] || []).forEach(function(p) {
+				if (!repl && versionSatisfied(p.version, ver, vop))
+					repl = p;
+			});
+
+			if (repl) {
+				info.install.push(repl);
+				return E('span', {
+					'class': 'label',
+					'data-tooltip': _('Requires update to %h %h')
+						.format(repl.name, repl.version)
+				}, _('Needs upgrade'));
+			}
+
+			info.errors.push(_('The installed version of package <em>%h</em> is not compatible, require %s while %s is installed.').format(pkg.name, truncateVersion(ver, vop), truncateVersion(pkg.version)));
+
+			return E('span', {
+				'class': 'label warning',
+				'data-tooltip': _('Require version %h %h,\ninstalled %h')
+					.format(vop, ver, pkg.version)
+			}, _('Version incompatible'));
+		}
+
+		return E('span', { 'class': 'label notice' }, _('Installed'));
+	}
+	else if (!pkg.missing) {
+		if (!vop || versionSatisfied(pkg.version, ver, vop)) {
+			info.install.push(pkg);
+			return E('span', { 'class': 'label' }, _('Not installed'));
+		}
+
+		info.errors.push(_('The repository version of package <em>%h</em> is not compatible, require %s but only %s is available.')
+				.format(pkg.name, truncateVersion(ver, vop), truncateVersion(pkg.version)));
+
+		return E('span', {
+			'class': 'label warning',
+			'data-tooltip': _('Require version %h %h,\ninstalled %h')
+				.format(vop, ver, pkg.version)
+		}, _('Version incompatible'));
+	}
+	else {
+		info.errors.push(_('Required dependency package <em>%h</em> is not available in any repository.').format(pkg.name));
+
+		return E('span', { 'class': 'label warning' }, _('Not available'));
+	}
+}
+
+function renderDependencyItem(dep, info)
+{
+	var li = E('li'),
+	    vop = dep.version ? dep.version[0] : null,
+	    ver = dep.version ? dep.version[1] : null,
+	    depends = [];
+
+	for (var i = 0; dep.pkgs && i < dep.pkgs.length; i++) {
+		var pkg = packages.installed.pkgs[dep.pkgs[i]] ||
+		          packages.available.pkgs[dep.pkgs[i]] ||
+		          { name: dep.name };
+
+		if (i > 0)
+			li.appendChild(document.createTextNode(' | '));
+
+		var text = pkg.name;
+
+		if (pkg.installsize)
+			text += ' (%.1024mB)'.format(pkg.installsize);
+		else if (pkg.size)
+			text += ' (~%.1024mB)'.format(pkg.size);
+
+		li.appendChild(E('span', { 'data-tooltip': pkg.description },
+			[ text, ' ', pkgStatus(pkg, vop, ver, info) ]));
+
+		(pkg.depends || []).forEach(function(d) {
+			if (depends.indexOf(d) === -1)
+				depends.push(d);
+		});
+	}
+
+	if (!li.firstChild)
+		li.appendChild(E('span', {},
+			[ dep.name, ' ',
+			  pkgStatus({ name: dep.name, missing: true }, vop, ver, info) ]));
+
+	var subdeps = renderDependencies(depends, info);
+	if (subdeps)
+		li.appendChild(subdeps);
+
+	return li;
+}
+
+function renderDependencies(depends, info)
+{
+	var deps = depends || [],
+	    items = [];
+
+	info.seen = info.seen || [];
+
+	for (var i = 0; i < deps.length; i++) {
+		if (deps[i] === 'libc')
+			continue;
+
+		if (deps[i].match(/^(.+)\s+\((<=|<|>|>=|=|<<|>>)(.+)\)$/)) {
+			dep = RegExp.$1.trim();
+			vop = RegExp.$2.trim();
+			ver = RegExp.$3.trim();
+		}
+		else {
+			dep = deps[i].trim();
+			vop = ver = null;
+		}
+
+		if (info.seen[dep])
+			continue;
+
+		var pkgs = [];
+
+		(packages.installed.providers[dep] || []).forEach(function(p) {
+			if (pkgs.indexOf(p.name) === -1) pkgs.push(p.name);
+		});
+
+		(packages.available.providers[dep] || []).forEach(function(p) {
+			if (pkgs.indexOf(p.name) === -1) pkgs.push(p.name);
+		});
+
+		info.seen[dep] = {
+			name:    dep,
+			pkgs:    pkgs,
+			version: [vop, ver]
+		};
+
+		items.push(renderDependencyItem(info.seen[dep], info));
+	}
+
+	if (items.length)
+		return E('ul', { 'class': 'deps' }, items);
+
+	return null;
+}
+
+function truncateVersion(v, op)
+{
+	v = v.replace(/\b(([a-f0-9]{8})[a-f0-9]{24,32})\b/,
+		'<span data-tooltip="$1">$2…</span>');
+
+	if (!op || op === '=')
+		return v;
+
+	return '%h %h'.format(op, v);
+}
+
+function handleReset(ev)
+{
+	var filter = document.querySelector('input[name="filter"]');
+
+	filter.value = '';
+	display();
+}
+
+function handleInstall(ev)
+{
+	var name = ev.target.getAttribute('data-package'),
+	    pkg = packages.available.pkgs[name],
+	    depcache = {},
+	    size;
+
+	if (pkg.installsize)
+		size = _('~%.1024mB installed').format(pkg.installsize);
+	else if (pkg.size)
+		size = _('~%.1024mB compressed').format(pkg.size);
+	else
+		size = _('unknown');
+
+	var deps = renderDependencies(pkg.depends, depcache),
+	    tree = null, errs = null, inst = null, desc = null;
+
+	if (depcache.errors && depcache.errors.length) {
+		errs = E('ul', { 'class': 'errors' });
+		depcache.errors.forEach(function(err) {
+			errs.appendChild(E('li', {}, err));
+		});
+	}
+
+	var totalsize = pkg.installsize || pkg.size || 0,
+	    totalpkgs = 1;
+
+	if (depcache.install && depcache.install.length)
+		depcache.install.forEach(function(ipkg) {
+			totalsize += ipkg.installsize || ipkg.size || 0;
+			totalpkgs++;
+		});
+
+	inst = E('p', {},
+		_('Require approx. %.1024mB size for %d package(s) to install.')
+			.format(totalsize, totalpkgs));
+
+	if (deps) {
+		tree = E('li', '<strong>%s:</strong>'.format(_('Dependencies')));
+		tree.appendChild(deps);
+	}
+
+	if (pkg.description) {
+		desc = E('div', {}, [
+			E('h5', {}, _('Description')),
+			E('p', {}, pkg.description)
+		]);
+	}
+
+	L.showModal(_('Details for package <em>%h</em>').format(pkg.name), [
+		E('ul', {}, [
+			E('li', '<strong>%s:</strong> %h'.format(_('Version'), pkg.version)),
+			E('li', '<strong>%s:</strong> %h'.format(_('Size'), size)),
+			tree || '',
+		]),
+		desc || '',
+		errs || inst || '',
+		E('div', { 'class': 'right' }, [
+			E('div', {
+				'class': 'btn',
+				'click': L.hideModal
+			}, _('Cancel')),
+			' ',
+			E('div', {
+				'data-command': 'install',
+				'data-package': name,
+				'class': 'btn cbi-button-action',
+				'click': handleOpkg
+			}, _('Install'))
+		])
+	]);
+}
+
+function handleManualInstall(ev)
+{
+	var name_or_url = document.querySelector('input[name="install"]').value,
+	    install = E('div', {
+			'class': 'btn cbi-button-action',
+			'data-command': 'install',
+			'data-package': name_or_url,
+			'click': function(ev) {
+				document.querySelector('input[name="install"]').value = '';
+				handleOpkg(ev);
+			}
+		}, _('Install')), warning;
+
+	if (!name_or_url.length) {
+		return;
+	}
+	else if (name_or_url.indexOf('/') !== -1) {
+		warning = E('p', {}, _('Installing packages from untrusted sources is a potential security risk! Really attempt to install <em>%h</em>?').format(name_or_url));
+	}
+	else if (!packages.available.providers[name_or_url]) {
+		warning = E('p', {}, _('The package <em>%h</em> is not available in any configured repository.').format(name_or_url));
+		install = '';
+	}
+	else {
+		warning = E('p', {}, _('Really attempt to install <em>%h</em>?').format(name_or_url));
+	}
+
+	L.showModal(_('Manually install package'), [
+		warning,
+		E('div', { 'class': 'right' }, [
+			E('div', {
+				'click': L.hideModal,
+				'class': 'btn cbi-button-neutral'
+			}, _('Cancel')),
+			' ', install
+		])
+	]);
+}
+
+function handleConfig(ev)
+{
+	L.showModal(_('OPKG Configuration'), [
+		E('p', { 'class': 'spinning' }, _('Loading configuration data…'))
+	]);
+
+	L.get('admin/system/opkg/config', null, function(xhr, conf) {
+		var body = [
+			E('p', {}, _('Below is a listing of the various configuration files used by <em>opkg</em>. Use <em>opkg.conf</em> for global settings and <em>customfeeds.conf</em> for custom repository entries. The configuration in the other files may be changed but is usually not preserved by <em>sysupgrade</em>.'))
+		];
+
+		Object.keys(conf).sort().forEach(function(file) {
+			body.push(E('h5', {}, '%h'.format(file)));
+			body.push(E('textarea', {
+				'name': file,
+				'rows': Math.max(Math.min(conf[file].match(/\n/g).length, 10), 3)
+			}, '%h'.format(conf[file])));
+		});
+
+		body.push(E('div', { 'class': 'right' }, [
+			E('div', {
+				'class': 'btn cbi-button-neutral',
+				'click': L.hideModal
+			}, _('Cancel')),
+			' ',
+			E('div', {
+				'class': 'btn cbi-button-positive',
+				'click': function(ev) {
+					var data = {};
+					findParent(ev.target, '.modal').querySelectorAll('textarea[name]')
+						.forEach(function(textarea) {
+							data[textarea.getAttribute('name')] = textarea.value
+						});
+
+					L.showModal(_('OPKG Configuration'), [
+						E('p', { 'class': 'spinning' }, _('Saving configuration data…'))
+					]);
+
+					L.post('admin/system/opkg/config', { data: JSON.stringify(data) }, L.hideModal);
+				}
+			}, _('Save')),
+		]));
+
+		L.showModal(_('OPKG Configuration'), body);
+	});
+}
+
+function handleRemove(ev)
+{
+	var name = ev.target.getAttribute('data-package'),
+	    pkg = packages.installed.pkgs[name],
+	    avail = packages.available.pkgs[name] || {},
+	    size, desc;
+
+	if (avail.installsize)
+		size = _('~%.1024mB installed').format(avail.installsize);
+	else if (avail.size)
+		size = _('~%.1024mB compressed').format(avail.size);
+	else
+		size = _('unknown');
+
+	if (avail.description) {
+		desc = E('div', {}, [
+			E('h5', {}, _('Description')),
+			E('p', {}, avail.description)
+		]);
+	}
+
+	L.showModal(_('Remove package <em>%h</em>').format(pkg.name), [
+		E('ul', {}, [
+			E('li', '<strong>%s:</strong> %h'.format(_('Version'), pkg.version)),
+			E('li', '<strong>%s:</strong> %h'.format(_('Size'), size))
+		]),
+		desc || '',
+		E('div', { 'style': 'display:flex; justify-content:space-between; flex-wrap:wrap' }, [
+			E('label', {}, [
+				E('input', { type: 'checkbox', checked: 'checked', name: 'autoremove' }),
+				_('Automatically remove unused dependencies')
+			]),
+			E('div', { 'style': 'flex-grow:1', 'class': 'right' }, [
+				E('div', {
+					'class': 'btn',
+					'click': L.hideModal
+				}, _('Cancel')),
+				' ',
+				E('div', {
+					'data-command': 'remove',
+					'data-package': name,
+					'class': 'btn cbi-button-negative',
+					'click': handleOpkg
+				}, _('Remove'))
+			])
+		])
+	]);
+}
+
+function handleOpkg(ev)
+{
+	var cmd = ev.target.getAttribute('data-command'),
+	    pkg = ev.target.getAttribute('data-package'),
+	    rem = document.querySelector('input[name="autoremove"]'),
+	    url = 'admin/system/opkg/exec/' + encodeURIComponent(cmd);
+
+	var dlg = L.showModal(_('Executing package manager'), [
+		E('p', { 'class': 'spinning' },
+			_('Waiting for the <em>opkg %h</em> command to complete…').format(cmd))
+	]);
+
+	L.post(url, { package: pkg, autoremove: rem ? rem.checked : false }, function(xhr, res) {
+		dlg.removeChild(dlg.lastChild);
+
+		if (res.stdout)
+			dlg.appendChild(E('pre', [ res.stdout ]));
+
+		if (res.stderr) {
+			dlg.appendChild(E('h5', _('Errors')));
+			dlg.appendChild(E('pre', { 'class': 'errors' }, [ res.stderr ]));
+		}
+
+		if (res.code !== 0)
+			dlg.appendChild(E('p', _('The <em>opkg %h</em> command failed with code <code>%d</code>.').format(cmd, (res.code & 0xff) || -1)));
+
+		dlg.appendChild(E('div', { 'class': 'right' },
+			E('div', {
+				'class': 'btn',
+				'click': function() {
+					L.hideModal();
+					updateLists();
+				}
+			}, _('Dismiss'))));
+	});
+}
+
+function updateLists()
+{
+	cbi_update_table('#packages', [],
+		E('div', { 'class': 'spinning' }, _('Loading package information…')));
+
+	packages.available = { providers: {}, pkgs: {} };
+	packages.installed = { providers: {}, pkgs: {} };
+
+	L.get('admin/system/opkg/statvfs', null, function(xhr, stat) {
+		var pg = document.querySelector('.cbi-progressbar'),
+		    total = stat.blocks || 0,
+		    free = stat.bfree || 0;
+
+		pg.firstElementChild.style.width = Math.floor(total ? ((100 / total) * free) : 100) + '%';
+		pg.setAttribute('title', '%s (%.1024mB)'.format(pg.firstElementChild.style.width, free * (stat.frsize || 0)));
+
+		L.get('admin/system/opkg/list/available', null, function(xhr) {
+			parseList(xhr.responseText, packages.available);
+			L.get('admin/system/opkg/list/installed', null, function(xhr) {
+				parseList(xhr.responseText, packages.installed);
+				display(document.querySelector('input[name="filter"]').value);
+			});
+		});
+	});
+}
+
+window.requestAnimationFrame(function() {
+	var filter = document.querySelector('input[name="filter"]'),
+	    keyTimeout = null;
+
+	filter.value = '';
+	filter.addEventListener('keyup',
+		function(ev) {
+			if (keyTimeout !== null)
+				window.clearTimeout(keyTimeout);
+
+			keyTimeout = window.setTimeout(function() {
+				display(ev.target.value);
+			}, 250);
+		});
+
+	document.querySelector('#pager > .prev').addEventListener('click', handlePage);
+	document.querySelector('#pager > .next').addEventListener('click', handlePage);
+	document.querySelector('.cbi-tabmenu.mode').addEventListener('click', handleMode);
+
+	updateLists();
+});