applications/luci-app-opkg/htdocs/luci-static/resources/view/opkg.js

   1 var packages = {
   2         available: { providers: {}, pkgs: {} },
   3         installed: { providers: {}, pkgs: {} }
   4 };
   5
   6 var currentDisplayMode = 'available', currentDisplayRows = [];
   7
   8 function parseList(s, dest)
   9 {
  10         var re = /([^\n]*)\n/g,
  11             pkg = null, key = null, val = null, m;
  12
  13         while ((m = re.exec(s)) !== null) {
  14                 if (m[1].match(/^\s(.*)$/)) {
  15                         if (pkg !== null && key !== null && val !== null)
  16                                 val += '\n' + RegExp.$1.trim();
  17
  18                         continue;
  19                 }
  20
  21                 if (key !== null && val !== null) {
  22                         switch (key) {
  23                         case 'package':
  24                                 pkg = { name: val };
  25                                 break;
  26
  27                         case 'depends':
  28                         case 'provides':
  29                                 var list = val.split(/\s*,\s*/);
  30                                 if (list.length !== 1 || list[0].length > 0)
  31                                         pkg[key] = list;
  32                                 break;
  33
  34                         case 'installed-time':
  35                                 pkg.installtime = new Date(+val * 1000);
  36                                 break;
  37
  38                         case 'installed-size':
  39                                 pkg.installsize = +val;
  40                                 break;
  41
  42                         case 'status':
  43                                 var stat = val.split(/\s+/),
  44                                     mode = stat[1],
  45                                     installed = stat[2];
  46
  47                                 switch (mode) {
  48                                 case 'user':
  49                                 case 'hold':
  50                                         pkg[mode] = true;
  51                                         break;
  52                                 }
  53
  54                                 switch (installed) {
  55                                 case 'installed':
  56                                         pkg.installed = true;
  57                                         break;
  58                                 }
  59                                 break;
  60
  61                         case 'essential':
  62                                 if (val === 'yes')
  63                                         pkg.essential = true;
  64                                 break;
  65
  66                         case 'size':
  67                                 pkg.size = +val;
  68                                 break;
  69
  70                         case 'architecture':
  71                         case 'auto-installed':
  72                         case 'filename':
  73                         case 'sha256sum':
  74                         case 'section':
  75                                 break;
  76
  77                         default:
  78                                 pkg[key] = val;
  79                                 break;
  80                         }
  81
  82                         key = val = null;
  83                 }
  84
  85                 if (m[1].trim().match(/^([\w-]+)\s*:(.+)$/)) {
  86                         key = RegExp.$1.toLowerCase();
  87                         val = RegExp.$2.trim();
  88                 }
  89                 else {
  90                         dest.pkgs[pkg.name] = pkg;
  91
  92                         var provides = dest.providers[pkg.name] ? [] : [ pkg.name ];
  93
  94                         if (pkg.provides)
  95                                 provides.push.apply(provides, pkg.provides);
  96
  97                         provides.forEach(function(p) {
  98                                 dest.providers[p] = dest.providers[p] || [];
  99                                 dest.providers[p].push(pkg);
 100                         });
 101                 }
 102         }
 103 }
 104
 105 function display(pattern)
 106 {
 107         var src = packages[currentDisplayMode === 'updates' ? 'installed' : currentDisplayMode],
 108             table = document.querySelector('#packages'),
 109             pager = document.querySelector('#pager');
 110
 111         currentDisplayRows.length = 0;
 112
 113         if (typeof(pattern) === 'string' && pattern.length > 0)
 114                 pattern = new RegExp(pattern.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'), 'ig');
 115
 116         for (var name in src.pkgs) {
 117                 var pkg = src.pkgs[name],
 118                     desc = pkg.description || '',
 119                     altsize = null;
 120
 121                 if (!pkg.size && packages.available.pkgs[name])
 122                         altsize = packages.available.pkgs[name].size;
 123
 124                 if (!desc && packages.available.pkgs[name])
 125                         desc = packages.available.pkgs[name].description || '';
 126
 127                 desc = desc.split(/\n/);
 128                 desc = desc[0].trim() + (desc.length > 1 ? '…' : '');
 129
 130                 if ((pattern instanceof RegExp) &&
 131                     !name.match(pattern) && !desc.match(pattern))
 132                         continue;
 133
 134                 var btn, ver;
 135
 136                 if (currentDisplayMode === 'updates') {
 137                         var avail = packages.available.pkgs[name];
 138                         if (!avail || compareVersion(avail.version, pkg.version) <= 0)
 139                                 continue;
 140
 141                         ver = '%s » %s'.format(
 142                                 truncateVersion(pkg.version || '-'),
 143                                 truncateVersion(avail.version || '-'));
 144
 145                         btn = E('div', {
 146                                 'class': 'btn cbi-button-positive',
 147                                 'data-package': name,
 148                                 'click': handleInstall
 149                         }, _('Upgrade…'));
 150                 }
 151                 else if (currentDisplayMode === 'installed') {
 152                         ver = truncateVersion(pkg.version || '-');
 153                         btn = E('div', {
 154                                 'class': 'btn cbi-button-negative',
 155                                 'data-package': name,
 156                                 'click': handleRemove
 157                         }, _('Remove'));
 158                 }
 159                 else {
 160                         ver = truncateVersion(pkg.version || '-');
 161
 162                         if (!packages.installed.pkgs[name])
 163                                 btn = E('div', {
 164                                         'class': 'btn cbi-button-action',
 165                                         'data-package': name,
 166                                         'click': handleInstall
 167                                 }, _('Install…'));
 168                         else if (packages.installed.pkgs[name].version != pkg.version)
 169                                 btn = E('div', {
 170                                         'class': 'btn cbi-button-positive',
 171                                         'data-package': name,
 172                                         'click': handleInstall
 173                                 }, _('Upgrade…'));
 174                         else
 175                                 btn = E('div', {
 176                                         'class': 'btn cbi-button-neutral',
 177                                         'disabled': 'disabled'
 178                                 }, _('Installed'));
 179                 }
 180
 181                 name = '%h'.format(name);
 182                 desc = '%h'.format(desc || '-');
 183
 184                 if (pattern) {
 185                         name = name.replace(pattern, '<ins>$&</ins>');
 186                         desc = desc.replace(pattern, '<ins>$&</ins>');
 187                 }
 188
 189                 currentDisplayRows.push([
 190                         name,
 191                         ver,
 192                         pkg.size ? '%.1024mB'.format(pkg.size)
 193                                  : (altsize ? '~%.1024mB'.format(altsize) : '-'),
 194                         desc,
 195                         btn
 196                 ]);
 197         }
 198
 199         currentDisplayRows.sort(function(a, b) {
 200                 if (a[0] < b[0])
 201                         return -1;
 202                 else if (a[0] > b[0])
 203                         return 1;
 204                 else
 205                         return 0;
 206         });
 207
 208         pager.parentNode.style.display = '';
 209         pager.setAttribute('data-offset', 100);
 210         handlePage({ target: pager.querySelector('.prev') });
 211 }
 212
 213 function handlePage(ev)
 214 {
 215         var filter = document.querySelector('input[name="filter"]'),
 216             pager = ev.target.parentNode,
 217             offset = +pager.getAttribute('data-offset'),
 218             next = ev.target.classList.contains('next');
 219
 220         if ((next && (offset + 100) >= currentDisplayRows.length) ||
 221             (!next && (offset < 100)))
 222             return;
 223
 224         offset += next ? 100 : -100;
 225         pager.setAttribute('data-offset', offset);
 226         pager.querySelector('.text').firstChild.data = currentDisplayRows.length
 227                 ? _('Displaying %d-%d of %d').format(1 + offset, Math.min(offset + 100, currentDisplayRows.length), currentDisplayRows.length)
 228                 : _('No packages');
 229
 230         if (offset < 100)
 231                 pager.querySelector('.prev').setAttribute('disabled', 'disabled');
 232         else
 233                 pager.querySelector('.prev').removeAttribute('disabled');
 234
 235         if ((offset + 100) >= currentDisplayRows.length)
 236                 pager.querySelector('.next').setAttribute('disabled', 'disabled');
 237         else
 238                 pager.querySelector('.next').removeAttribute('disabled');
 239
 240         var placeholder = _('No information available');
 241
 242         if (filter.value)
 243                 placeholder = [
 244                         E('span', {}, _('No packages matching "<strong>%h</strong>".').format(filter.value)), ' (',
 245                         E('a', { href: '#', onclick: 'handleReset(event)' }, _('Reset')), ')'
 246                 ];
 247
 248         cbi_update_table('#packages', currentDisplayRows.slice(offset, offset + 100),
 249                 placeholder);
 250 }
 251
 252 function handleMode(ev)
 253 {
 254         var tab = findParent(ev.target, 'li');
 255         if (tab.getAttribute('data-mode') === currentDisplayMode)
 256                 return;
 257
 258         tab.parentNode.querySelectorAll('li').forEach(function(li) {
 259                 li.classList.remove('cbi-tab');
 260                 li.classList.add('cbi-tab-disabled');
 261         });
 262
 263         tab.classList.remove('cbi-tab-disabled');
 264         tab.classList.add('cbi-tab');
 265
 266         currentDisplayMode = tab.getAttribute('data-mode');
 267
 268         display(document.querySelector('input[name="filter"]').value);
 269
 270         ev.target.blur();
 271         ev.preventDefault();
 272 }
 273
 274 function orderOf(c)
 275 {
 276         if (c === '~')
 277                 return -1;
 278         else if (c === '' || c >= '0' && c <= '9')
 279                 return 0;
 280         else if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'))
 281                 return c.charCodeAt(0);
 282         else
 283                 return c.charCodeAt(0) + 256;
 284 }
 285
 286 function compareVersion(val, ref)
 287 {
 288         var vi = 0, ri = 0,
 289             isdigit = { 0:1, 1:1, 2:1, 3:1, 4:1, 5:1, 6:1, 7:1, 8:1, 9:1 };
 290
 291         val = val || '';
 292         ref = ref || '';
 293
 294         if (val === ref)
 295                 return 0;
 296
 297         while (vi < val.length || ri < ref.length) {
 298                 var first_diff = 0;
 299
 300                 while ((vi < val.length && !isdigit[val.charAt(vi)]) ||
 301                        (ri < ref.length && !isdigit[ref.charAt(ri)])) {
 302                         var vc = orderOf(val.charAt(vi)), rc = orderOf(ref.charAt(ri));
 303                         if (vc !== rc)
 304                                 return vc - rc;
 305
 306                         vi++; ri++;
 307                 }
 308
 309                 while (val.charAt(vi) === '0')
 310                         vi++;
 311
 312                 while (ref.charAt(ri) === '0')
 313                         ri++;
 314
 315                 while (isdigit[val.charAt(vi)] && isdigit[ref.charAt(ri)]) {
 316                         first_diff = first_diff || (val.charCodeAt(vi) - ref.charCodeAt(ri));
 317                         vi++; ri++;
 318                 }
 319
 320                 if (isdigit[val.charAt(vi)])
 321                         return 1;
 322                 else if (isdigit[ref.charAt(ri)])
 323                         return -1;
 324                 else if (first_diff)
 325                         return first_diff;
 326         }
 327
 328         return 0;
 329 }
 330
 331 function versionSatisfied(ver, ref, vop)
 332 {
 333         var r = compareVersion(ver, ref);
 334
 335         switch (vop) {
 336         case '<':
 337         case '<=':
 338                 return r <= 0;
 339
 340         case '>':
 341         case '>=':
 342                 return r >= 0;
 343
 344         case '<<':
 345                 return r < 0;
 346
 347         case '>>':
 348                 return r > 0;
 349
 350         case '=':
 351                 return r == 0;
 352         }
 353
 354         return false;
 355 }
 356
 357 function pkgStatus(pkg, vop, ver, info)
 358 {
 359         info.errors = info.errors || [];
 360         info.install = info.install || [];
 361
 362         if (pkg.installed) {
 363                 if (vop && !versionSatisfied(pkg.version, ver, vop)) {
 364                         var repl = null;
 365
 366                         (packages.available.providers[pkg.name] || []).forEach(function(p) {
 367                                 if (!repl && versionSatisfied(p.version, ver, vop))
 368                                         repl = p;
 369                         });
 370
 371                         if (repl) {
 372                                 info.install.push(repl);
 373                                 return E('span', {
 374                                         'class': 'label',
 375                                         'data-tooltip': _('Requires update to %h %h')
 376                                                 .format(repl.name, repl.version)
 377                                 }, _('Needs upgrade'));
 378                         }
 379
 380                         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)));
 381
 382                         return E('span', {
 383                                 'class': 'label warning',
 384                                 'data-tooltip': _('Require version %h %h,\ninstalled %h')
 385                                         .format(vop, ver, pkg.version)
 386                         }, _('Version incompatible'));
 387                 }
 388
 389                 return E('span', { 'class': 'label notice' }, _('Installed'));
 390         }
 391         else if (!pkg.missing) {
 392                 if (!vop || versionSatisfied(pkg.version, ver, vop)) {
 393                         info.install.push(pkg);
 394                         return E('span', { 'class': 'label' }, _('Not installed'));
 395                 }
 396
 397                 info.errors.push(_('The repository version of package <em>%h</em> is not compatible, require %s but only %s is available.')
 398                                 .format(pkg.name, truncateVersion(ver, vop), truncateVersion(pkg.version)));
 399
 400                 return E('span', {
 401                         'class': 'label warning',
 402                         'data-tooltip': _('Require version %h %h,\ninstalled %h')
 403                                 .format(vop, ver, pkg.version)
 404                 }, _('Version incompatible'));
 405         }
 406         else {
 407                 info.errors.push(_('Required dependency package <em>%h</em> is not available in any repository.').format(pkg.name));
 408
 409                 return E('span', { 'class': 'label warning' }, _('Not available'));
 410         }
 411 }
 412
 413 function renderDependencyItem(dep, info)
 414 {
 415         var li = E('li'),
 416             vop = dep.version ? dep.version[0] : null,
 417             ver = dep.version ? dep.version[1] : null,
 418             depends = [];
 419
 420         for (var i = 0; dep.pkgs && i < dep.pkgs.length; i++) {
 421                 var pkg = packages.installed.pkgs[dep.pkgs[i]] ||
 422                           packages.available.pkgs[dep.pkgs[i]] ||
 423                           { name: dep.name };
 424
 425                 if (i > 0)
 426                         li.appendChild(document.createTextNode(' | '));
 427
 428                 var text = pkg.name;
 429
 430                 if (pkg.installsize)
 431                         text += ' (%.1024mB)'.format(pkg.installsize);
 432                 else if (pkg.size)
 433                         text += ' (~%.1024mB)'.format(pkg.size);
 434
 435                 li.appendChild(E('span', { 'data-tooltip': pkg.description },
 436                         [ text, ' ', pkgStatus(pkg, vop, ver, info) ]));
 437
 438                 (pkg.depends || []).forEach(function(d) {
 439                         if (depends.indexOf(d) === -1)
 440                                 depends.push(d);
 441                 });
 442         }
 443
 444         if (!li.firstChild)
 445                 li.appendChild(E('span', {},
 446                         [ dep.name, ' ',
 447                           pkgStatus({ name: dep.name, missing: true }, vop, ver, info) ]));
 448
 449         var subdeps = renderDependencies(depends, info);
 450         if (subdeps)
 451                 li.appendChild(subdeps);
 452
 453         return li;
 454 }
 455
 456 function renderDependencies(depends, info)
 457 {
 458         var deps = depends || [],
 459             items = [];
 460
 461         info.seen = info.seen || [];
 462
 463         for (var i = 0; i < deps.length; i++) {
 464                 if (deps[i] === 'libc')
 465                         continue;
 466
 467                 if (deps[i].match(/^(.+)\s+\((<=|<|>|>=|=|<<|>>)(.+)\)$/)) {
 468                         dep = RegExp.$1.trim();
 469                         vop = RegExp.$2.trim();
 470                         ver = RegExp.$3.trim();
 471                 }
 472                 else {
 473                         dep = deps[i].trim();
 474                         vop = ver = null;
 475                 }
 476
 477                 if (info.seen[dep])
 478                         continue;
 479
 480                 var pkgs = [];
 481
 482                 (packages.installed.providers[dep] || []).forEach(function(p) {
 483                         if (pkgs.indexOf(p.name) === -1) pkgs.push(p.name);
 484                 });
 485
 486                 (packages.available.providers[dep] || []).forEach(function(p) {
 487                         if (pkgs.indexOf(p.name) === -1) pkgs.push(p.name);
 488                 });
 489
 490                 info.seen[dep] = {
 491                         name:    dep,
 492                         pkgs:    pkgs,
 493                         version: [vop, ver]
 494                 };
 495
 496                 items.push(renderDependencyItem(info.seen[dep], info));
 497         }
 498
 499         if (items.length)
 500                 return E('ul', { 'class': 'deps' }, items);
 501
 502         return null;
 503 }
 504
 505 function truncateVersion(v, op)
 506 {
 507         v = v.replace(/\b(([a-f0-9]{8})[a-f0-9]{24,32})\b/,
 508                 '<span data-tooltip="$1">$2…</span>');
 509
 510         if (!op || op === '=')
 511                 return v;
 512
 513         return '%h %h'.format(op, v);
 514 }
 515
 516 function handleReset(ev)
 517 {
 518         var filter = document.querySelector('input[name="filter"]');
 519
 520         filter.value = '';
 521         display();
 522 }
 523
 524 function handleInstall(ev)
 525 {
 526         var name = ev.target.getAttribute('data-package'),
 527             pkg = packages.available.pkgs[name],
 528             depcache = {},
 529             size;
 530
 531         if (pkg.installsize)
 532                 size = _('~%.1024mB installed').format(pkg.installsize);
 533         else if (pkg.size)
 534                 size = _('~%.1024mB compressed').format(pkg.size);
 535         else
 536                 size = _('unknown');
 537
 538         var deps = renderDependencies(pkg.depends, depcache),
 539             tree = null, errs = null, inst = null, desc = null;
 540
 541         if (depcache.errors && depcache.errors.length) {
 542                 errs = E('ul', { 'class': 'errors' });
 543                 depcache.errors.forEach(function(err) {
 544                         errs.appendChild(E('li', {}, err));
 545                 });
 546         }
 547
 548         var totalsize = pkg.installsize || pkg.size || 0,
 549             totalpkgs = 1;
 550
 551         if (depcache.install && depcache.install.length)
 552                 depcache.install.forEach(function(ipkg) {
 553                         totalsize += ipkg.installsize || ipkg.size || 0;
 554                         totalpkgs++;
 555                 });
 556
 557         inst = E('p', {},
 558                 _('Require approx. %.1024mB size for %d package(s) to install.')
 559                         .format(totalsize, totalpkgs));
 560
 561         if (deps) {
 562                 tree = E('li', '<strong>%s:</strong>'.format(_('Dependencies')));
 563                 tree.appendChild(deps);
 564         }
 565
 566         if (pkg.description) {
 567                 desc = E('div', {}, [
 568                         E('h5', {}, _('Description')),
 569                         E('p', {}, pkg.description)
 570                 ]);
 571         }
 572
 573         L.showModal(_('Details for package <em>%h</em>').format(pkg.name), [
 574                 E('ul', {}, [
 575                         E('li', '<strong>%s:</strong> %h'.format(_('Version'), pkg.version)),
 576                         E('li', '<strong>%s:</strong> %h'.format(_('Size'), size)),
 577                         tree || '',
 578                 ]),
 579                 desc || '',
 580                 errs || inst || '',
 581                 E('div', { 'class': 'right' }, [
 582                         E('div', {
 583                                 'class': 'btn',
 584                                 'click': L.hideModal
 585                         }, _('Cancel')),
 586                         ' ',
 587                         E('div', {
 588                                 'data-command': 'install',
 589                                 'data-package': name,
 590                                 'class': 'btn cbi-button-action',
 591                                 'click': handleOpkg
 592                         }, _('Install'))
 593                 ])
 594         ]);
 595 }
 596
 597 function handleManualInstall(ev)
 598 {
 599         var name_or_url = document.querySelector('input[name="install"]').value,
 600             install = E('div', {
 601                         'class': 'btn cbi-button-action',
 602                         'data-command': 'install',
 603                         'data-package': name_or_url,
 604                         'click': function(ev) {
 605                                 document.querySelector('input[name="install"]').value = '';
 606                                 handleOpkg(ev);
 607                         }
 608                 }, _('Install')), warning;
 609
 610         if (!name_or_url.length) {
 611                 return;
 612         }
 613         else if (name_or_url.indexOf('/') !== -1) {
 614                 warning = E('p', {}, _('Installing packages from untrusted sources is a potential security risk! Really attempt to install <em>%h</em>?').format(name_or_url));
 615         }
 616         else if (!packages.available.providers[name_or_url]) {
 617                 warning = E('p', {}, _('The package <em>%h</em> is not available in any configured repository.').format(name_or_url));
 618                 install = '';
 619         }
 620         else {
 621                 warning = E('p', {}, _('Really attempt to install <em>%h</em>?').format(name_or_url));
 622         }
 623
 624         L.showModal(_('Manually install package'), [
 625                 warning,
 626                 E('div', { 'class': 'right' }, [
 627                         E('div', {
 628                                 'click': L.hideModal,
 629                                 'class': 'btn cbi-button-neutral'
 630                         }, _('Cancel')),
 631                         ' ', install
 632                 ])
 633         ]);
 634 }
 635
 636 function handleConfig(ev)
 637 {
 638         L.showModal(_('OPKG Configuration'), [
 639                 E('p', { 'class': 'spinning' }, _('Loading configuration data…'))
 640         ]);
 641
 642         L.get('admin/system/opkg/config', null, function(xhr, conf) {
 643                 var body = [
 644                         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>.'))
 645                 ];
 646
 647                 Object.keys(conf).sort().forEach(function(file) {
 648                         body.push(E('h5', {}, '%h'.format(file)));
 649                         body.push(E('textarea', {
 650                                 'name': file,
 651                                 'rows': Math.max(Math.min(conf[file].match(/\n/g).length, 10), 3)
 652                         }, '%h'.format(conf[file])));
 653                 });
 654
 655                 body.push(E('div', { 'class': 'right' }, [
 656                         E('div', {
 657                                 'class': 'btn cbi-button-neutral',
 658                                 'click': L.hideModal
 659                         }, _('Cancel')),
 660                         ' ',
 661                         E('div', {
 662                                 'class': 'btn cbi-button-positive',
 663                                 'click': function(ev) {
 664                                         var data = {};
 665                                         findParent(ev.target, '.modal').querySelectorAll('textarea[name]')
 666                                                 .forEach(function(textarea) {
 667                                                         data[textarea.getAttribute('name')] = textarea.value
 668                                                 });
 669
 670                                         L.showModal(_('OPKG Configuration'), [
 671                                                 E('p', { 'class': 'spinning' }, _('Saving configuration data…'))
 672                                         ]);
 673
 674                                         L.post('admin/system/opkg/config', { data: JSON.stringify(data) }, L.hideModal);
 675                                 }
 676                         }, _('Save')),
 677                 ]));
 678
 679                 L.showModal(_('OPKG Configuration'), body);
 680         });
 681 }
 682
 683 function handleRemove(ev)
 684 {
 685         var name = ev.target.getAttribute('data-package'),
 686             pkg = packages.installed.pkgs[name],
 687             avail = packages.available.pkgs[name] || {},
 688             size, desc;
 689
 690         if (avail.installsize)
 691                 size = _('~%.1024mB installed').format(avail.installsize);
 692         else if (avail.size)
 693                 size = _('~%.1024mB compressed').format(avail.size);
 694         else
 695                 size = _('unknown');
 696
 697         if (avail.description) {
 698                 desc = E('div', {}, [
 699                         E('h5', {}, _('Description')),
 700                         E('p', {}, avail.description)
 701                 ]);
 702         }
 703
 704         L.showModal(_('Remove package <em>%h</em>').format(pkg.name), [
 705                 E('ul', {}, [
 706                         E('li', '<strong>%s:</strong> %h'.format(_('Version'), pkg.version)),
 707                         E('li', '<strong>%s:</strong> %h'.format(_('Size'), size))
 708                 ]),
 709                 desc || '',
 710                 E('div', { 'style': 'display:flex; justify-content:space-between; flex-wrap:wrap' }, [
 711                         E('label', {}, [
 712                                 E('input', { type: 'checkbox', checked: 'checked', name: 'autoremove' }),
 713                                 _('Automatically remove unused dependencies')
 714                         ]),
 715                         E('div', { 'style': 'flex-grow:1', 'class': 'right' }, [
 716                                 E('div', {
 717                                         'class': 'btn',
 718                                         'click': L.hideModal
 719                                 }, _('Cancel')),
 720                                 ' ',
 721                                 E('div', {
 722                                         'data-command': 'remove',
 723                                         'data-package': name,
 724                                         'class': 'btn cbi-button-negative',
 725                                         'click': handleOpkg
 726                                 }, _('Remove'))
 727                         ])
 728                 ])
 729         ]);
 730 }
 731
 732 function handleOpkg(ev)
 733 {
 734         var cmd = ev.target.getAttribute('data-command'),
 735             pkg = ev.target.getAttribute('data-package'),
 736             rem = document.querySelector('input[name="autoremove"]'),
 737             url = 'admin/system/opkg/exec/' + encodeURIComponent(cmd);
 738
 739         var dlg = L.showModal(_('Executing package manager'), [
 740                 E('p', { 'class': 'spinning' },
 741                         _('Waiting for the <em>opkg %h</em> command to complete…').format(cmd))
 742         ]);
 743
 744         L.post(url, { package: pkg, autoremove: rem ? rem.checked : false }, function(xhr, res) {
 745                 dlg.removeChild(dlg.lastChild);
 746
 747                 if (res.stdout)
 748                         dlg.appendChild(E('pre', [ res.stdout ]));
 749
 750                 if (res.stderr) {
 751                         dlg.appendChild(E('h5', _('Errors')));
 752                         dlg.appendChild(E('pre', { 'class': 'errors' }, [ res.stderr ]));
 753                 }
 754
 755                 if (res.code !== 0)
 756                         dlg.appendChild(E('p', _('The <em>opkg %h</em> command failed with code <code>%d</code>.').format(cmd, (res.code & 0xff) || -1)));
 757
 758                 dlg.appendChild(E('div', { 'class': 'right' },
 759                         E('div', {
 760                                 'class': 'btn',
 761                                 'click': function() {
 762                                         L.hideModal();
 763                                         updateLists();
 764                                 }
 765                         }, _('Dismiss'))));
 766         });
 767 }
 768
 769 function updateLists()
 770 {
 771         cbi_update_table('#packages', [],
 772                 E('div', { 'class': 'spinning' }, _('Loading package information…')));
 773
 774         packages.available = { providers: {}, pkgs: {} };
 775         packages.installed = { providers: {}, pkgs: {} };
 776
 777         L.get('admin/system/opkg/statvfs', null, function(xhr, stat) {
 778                 var pg = document.querySelector('.cbi-progressbar'),
 779                     total = stat.blocks || 0,
 780                     free = stat.bfree || 0;
 781
 782                 pg.firstElementChild.style.width = Math.floor(total ? ((100 / total) * free) : 100) + '%';
 783                 pg.setAttribute('title', '%s (%.1024mB)'.format(pg.firstElementChild.style.width, free * (stat.frsize || 0)));
 784
 785                 L.get('admin/system/opkg/list/available', null, function(xhr) {
 786                         parseList(xhr.responseText, packages.available);
 787                         L.get('admin/system/opkg/list/installed', null, function(xhr) {
 788                                 parseList(xhr.responseText, packages.installed);
 789                                 display(document.querySelector('input[name="filter"]').value);
 790                         });
 791                 });
 792         });
 793 }
 794
 795 window.requestAnimationFrame(function() {
 796         var filter = document.querySelector('input[name="filter"]'),
 797             keyTimeout = null;
 798
 799         filter.value = filter.getAttribute('value');
 800         filter.addEventListener('keyup',
 801                 function(ev) {
 802                         if (keyTimeout !== null)
 803                                 window.clearTimeout(keyTimeout);
 804
 805                         keyTimeout = window.setTimeout(function() {
 806                                 display(ev.target.value);
 807                         }, 250);
 808                 });
 809
 810         document.querySelector('#pager > .prev').addEventListener('click', handlePage);
 811         document.querySelector('#pager > .next').addEventListener('click', handlePage);
 812         document.querySelector('.cbi-tabmenu.mode').addEventListener('click', handleMode);
 813
 814         updateLists();
 815 });