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 || avail.version === pkg.version)
 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         while (vi < val.length || ri < ref.length) {
 295                 var first_diff = 0;
 296
 297                 while ((vi < val.length && !isdigit[val.charAt(vi)]) ||
 298                        (ri < ref.length && !isdigit[ref.charAt(ri)])) {
 299                         var vc = orderOf(val.charAt(vi)), rc = orderOf(ref.charAt(ri));
 300                         if (vc !== rc)
 301                                 return vc - rc;
 302
 303                         vi++; ri++;
 304                 }
 305
 306                 while (val.charAt(vi) === '0')
 307                         vi++;
 308
 309                 while (ref.charAt(ri) === '0')
 310                         ri++;
 311
 312                 while (isdigit[val.charAt(vi)] && isdigit[ref.charAt(ri)]) {
 313                         first_diff = first_diff || (val.charCodeAt(vi) - ref.charCodeAt(ri));
 314                         vi++; ri++;
 315                 }
 316
 317                 if (isdigit[val.charAt(vi)])
 318                         return 1;
 319                 else if (isdigit[ref.charAt(ri)])
 320                         return -1;
 321                 else if (first_diff)
 322                         return first_diff;
 323         }
 324
 325         return 0;
 326 }
 327
 328 function versionSatisfied(ver, ref, vop)
 329 {
 330         var r = compareVersion(ver, ref);
 331
 332         switch (vop) {
 333         case '<':
 334         case '<=':
 335                 return r <= 0;
 336
 337         case '>':
 338         case '>=':
 339                 return r >= 0;
 340
 341         case '<<':
 342                 return r < 0;
 343
 344         case '>>':
 345                 return r > 0;
 346
 347         case '=':
 348                 return r == 0;
 349         }
 350
 351         return false;
 352 }
 353
 354 function pkgStatus(pkg, vop, ver, info)
 355 {
 356         info.errors = info.errors || [];
 357         info.install = info.install || [];
 358
 359         if (pkg.installed) {
 360                 if (vop && !versionSatisfied(pkg.version, ver, vop)) {
 361                         var repl = null;
 362
 363                         (packages.available.providers[pkg.name] || []).forEach(function(p) {
 364                                 if (!repl && versionSatisfied(p.version, ver, vop))
 365                                         repl = p;
 366                         });
 367
 368                         if (repl) {
 369                                 info.install.push(repl);
 370                                 return E('span', {
 371                                         'class': 'label',
 372                                         'data-tooltip': _('Requires update to %h %h')
 373                                                 .format(repl.name, repl.version)
 374                                 }, _('Needs upgrade'));
 375                         }
 376
 377                         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)));
 378
 379                         return E('span', {
 380                                 'class': 'label warning',
 381                                 'data-tooltip': _('Require version %h %h,\ninstalled %h')
 382                                         .format(vop, ver, pkg.version)
 383                         }, _('Version incompatible'));
 384                 }
 385
 386                 return E('span', { 'class': 'label notice' }, _('Installed'));
 387         }
 388         else if (!pkg.missing) {
 389                 if (!vop || versionSatisfied(pkg.version, ver, vop)) {
 390                         info.install.push(pkg);
 391                         return E('span', { 'class': 'label' }, _('Not installed'));
 392                 }
 393
 394                 info.errors.push(_('The repository version of package <em>%h</em> is not compatible, require %s but only %s is available.')
 395                                 .format(pkg.name, truncateVersion(ver, vop), truncateVersion(pkg.version)));
 396
 397                 return E('span', {
 398                         'class': 'label warning',
 399                         'data-tooltip': _('Require version %h %h,\ninstalled %h')
 400                                 .format(vop, ver, pkg.version)
 401                 }, _('Version incompatible'));
 402         }
 403         else {
 404                 info.errors.push(_('Required dependency package <em>%h</em> is not available in any repository.').format(pkg.name));
 405
 406                 return E('span', { 'class': 'label warning' }, _('Not available'));
 407         }
 408 }
 409
 410 function renderDependencyItem(dep, info)
 411 {
 412         var li = E('li'),
 413             vop = dep.version ? dep.version[0] : null,
 414             ver = dep.version ? dep.version[1] : null,
 415             depends = [];
 416
 417         for (var i = 0; dep.pkgs && i < dep.pkgs.length; i++) {
 418                 var pkg = packages.installed.pkgs[dep.pkgs[i]] ||
 419                           packages.available.pkgs[dep.pkgs[i]] ||
 420                           { name: dep.name };
 421
 422                 if (i > 0)
 423                         li.appendChild(document.createTextNode(' | '));
 424
 425                 var text = pkg.name;
 426
 427                 if (pkg.installsize)
 428                         text += ' (%.1024mB)'.format(pkg.installsize);
 429                 else if (pkg.size)
 430                         text += ' (~%.1024mB)'.format(pkg.size);
 431
 432                 li.appendChild(E('span', { 'data-tooltip': pkg.description },
 433                         [ text, ' ', pkgStatus(pkg, vop, ver, info) ]));
 434
 435                 (pkg.depends || []).forEach(function(d) {
 436                         if (depends.indexOf(d) === -1)
 437                                 depends.push(d);
 438                 });
 439         }
 440
 441         if (!li.firstChild)
 442                 li.appendChild(E('span', {},
 443                         [ dep.name, ' ',
 444                           pkgStatus({ name: dep.name, missing: true }, vop, ver, info) ]));
 445
 446         var subdeps = renderDependencies(depends, info);
 447         if (subdeps)
 448                 li.appendChild(subdeps);
 449
 450         return li;
 451 }
 452
 453 function renderDependencies(depends, info)
 454 {
 455         var deps = depends || [],
 456             items = [];
 457
 458         info.seen = info.seen || [];
 459
 460         for (var i = 0; i < deps.length; i++) {
 461                 if (deps[i] === 'libc')
 462                         continue;
 463
 464                 if (deps[i].match(/^(.+)\s+\((<=|<|>|>=|=|<<|>>)(.+)\)$/)) {
 465                         dep = RegExp.$1.trim();
 466                         vop = RegExp.$2.trim();
 467                         ver = RegExp.$3.trim();
 468                 }
 469                 else {
 470                         dep = deps[i].trim();
 471                         vop = ver = null;
 472                 }
 473
 474                 if (info.seen[dep])
 475                         continue;
 476
 477                 var pkgs = [];
 478
 479                 (packages.installed.providers[dep] || []).forEach(function(p) {
 480                         if (pkgs.indexOf(p.name) === -1) pkgs.push(p.name);
 481                 });
 482
 483                 (packages.available.providers[dep] || []).forEach(function(p) {
 484                         if (pkgs.indexOf(p.name) === -1) pkgs.push(p.name);
 485                 });
 486
 487                 info.seen[dep] = {
 488                         name:    dep,
 489                         pkgs:    pkgs,
 490                         version: [vop, ver]
 491                 };
 492
 493                 items.push(renderDependencyItem(info.seen[dep], info));
 494         }
 495
 496         if (items.length)
 497                 return E('ul', { 'class': 'deps' }, items);
 498
 499         return null;
 500 }
 501
 502 function truncateVersion(v, op)
 503 {
 504         v = v.replace(/\b(([a-f0-9]{8})[a-f0-9]{24,32})\b/,
 505                 '<span data-tooltip="$1">$2…</span>');
 506
 507         if (!op || op === '=')
 508                 return v;
 509
 510         return '%h %h'.format(op, v);
 511 }
 512
 513 function handleReset(ev)
 514 {
 515         var filter = document.querySelector('input[name="filter"]');
 516
 517         filter.value = '';
 518         display();
 519 }
 520
 521 function handleInstall(ev)
 522 {
 523         var name = ev.target.getAttribute('data-package'),
 524             pkg = packages.available.pkgs[name],
 525             depcache = {},
 526             size;
 527
 528         if (pkg.installsize)
 529                 size = _('~%.1024mB installed').format(pkg.installsize);
 530         else if (pkg.size)
 531                 size = _('~%.1024mB compressed').format(pkg.size);
 532         else
 533                 size = _('unknown');
 534
 535         var deps = renderDependencies(pkg.depends, depcache),
 536             tree = null, errs = null, inst = null, desc = null;
 537
 538         if (depcache.errors && depcache.errors.length) {
 539                 errs = E('ul', { 'class': 'errors' });
 540                 depcache.errors.forEach(function(err) {
 541                         errs.appendChild(E('li', {}, err));
 542                 });
 543         }
 544
 545         var totalsize = pkg.installsize || pkg.size || 0,
 546             totalpkgs = 1;
 547
 548         if (depcache.install && depcache.install.length)
 549                 depcache.install.forEach(function(ipkg) {
 550                         totalsize += ipkg.installsize || ipkg.size || 0;
 551                         totalpkgs++;
 552                 });
 553
 554         inst = E('p', {},
 555                 _('Require approx. %.1024mB size for %d package(s) to install.')
 556                         .format(totalsize, totalpkgs));
 557
 558         if (deps) {
 559                 tree = E('li', '<strong>%s:</strong>'.format(_('Dependencies')));
 560                 tree.appendChild(deps);
 561         }
 562
 563         if (pkg.description) {
 564                 desc = E('div', {}, [
 565                         E('h5', {}, _('Description')),
 566                         E('p', {}, pkg.description)
 567                 ]);
 568         }
 569
 570         L.showModal(_('Details for package <em>%h</em>').format(pkg.name), [
 571                 E('ul', {}, [
 572                         E('li', '<strong>%s:</strong> %h'.format(_('Version'), pkg.version)),
 573                         E('li', '<strong>%s:</strong> %h'.format(_('Size'), size)),
 574                         tree || '',
 575                 ]),
 576                 desc || '',
 577                 errs || inst || '',
 578                 E('div', { 'class': 'right' }, [
 579                         E('div', {
 580                                 'class': 'btn',
 581                                 'click': L.hideModal
 582                         }, _('Cancel')),
 583                         ' ',
 584                         E('div', {
 585                                 'data-command': 'install',
 586                                 'data-package': name,
 587                                 'class': 'btn cbi-button-action',
 588                                 'click': handleOpkg
 589                         }, _('Install'))
 590                 ])
 591         ]);
 592 }
 593
 594 function handleManualInstall(ev)
 595 {
 596         var name_or_url = document.querySelector('input[name="install"]').value,
 597             install = E('div', {
 598                         'class': 'btn cbi-button-action',
 599                         'data-command': 'install',
 600                         'data-package': name_or_url,
 601                         'click': function(ev) {
 602                                 document.querySelector('input[name="install"]').value = '';
 603                                 handleOpkg(ev);
 604                         }
 605                 }, _('Install')), warning;
 606
 607         if (!name_or_url.length) {
 608                 return;
 609         }
 610         else if (name_or_url.indexOf('/') !== -1) {
 611                 warning = E('p', {}, _('Installing packages from untrusted sources is a potential security risk! Really attempt to install <em>%h</em>?').format(name_or_url));
 612         }
 613         else if (!packages.available.providers[name_or_url]) {
 614                 warning = E('p', {}, _('The package <em>%h</em> is not available in any configured repository.').format(name_or_url));
 615                 install = '';
 616         }
 617         else {
 618                 warning = E('p', {}, _('Really attempt to install <em>%h</em>?').format(name_or_url));
 619         }
 620
 621         L.showModal(_('Manually install package'), [
 622                 warning,
 623                 E('div', { 'class': 'right' }, [
 624                         E('div', {
 625                                 'click': L.hideModal,
 626                                 'class': 'btn cbi-button-neutral'
 627                         }, _('Cancel')),
 628                         ' ', install
 629                 ])
 630         ]);
 631 }
 632
 633 function handleConfig(ev)
 634 {
 635         L.showModal(_('OPKG Configuration'), [
 636                 E('p', { 'class': 'spinning' }, _('Loading configuration data…'))
 637         ]);
 638
 639         L.get('admin/system/opkg/config', null, function(xhr, conf) {
 640                 var body = [
 641                         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>.'))
 642                 ];
 643
 644                 Object.keys(conf).sort().forEach(function(file) {
 645                         body.push(E('h5', {}, '%h'.format(file)));
 646                         body.push(E('textarea', {
 647                                 'name': file,
 648                                 'rows': Math.max(Math.min(conf[file].match(/\n/g).length, 10), 3)
 649                         }, '%h'.format(conf[file])));
 650                 });
 651
 652                 body.push(E('div', { 'class': 'right' }, [
 653                         E('div', {
 654                                 'class': 'btn cbi-button-neutral',
 655                                 'click': L.hideModal
 656                         }, _('Cancel')),
 657                         ' ',
 658                         E('div', {
 659                                 'class': 'btn cbi-button-positive',
 660                                 'click': function(ev) {
 661                                         var data = {};
 662                                         findParent(ev.target, '.modal').querySelectorAll('textarea[name]')
 663                                                 .forEach(function(textarea) {
 664                                                         data[textarea.getAttribute('name')] = textarea.value
 665                                                 });
 666
 667                                         L.showModal(_('OPKG Configuration'), [
 668                                                 E('p', { 'class': 'spinning' }, _('Saving configuration data…'))
 669                                         ]);
 670
 671                                         L.post('admin/system/opkg/config', { data: JSON.stringify(data) }, L.hideModal);
 672                                 }
 673                         }, _('Save')),
 674                 ]));
 675
 676                 L.showModal(_('OPKG Configuration'), body);
 677         });
 678 }
 679
 680 function handleRemove(ev)
 681 {
 682         var name = ev.target.getAttribute('data-package'),
 683             pkg = packages.installed.pkgs[name],
 684             avail = packages.available.pkgs[name] || {},
 685             size, desc;
 686
 687         if (avail.installsize)
 688                 size = _('~%.1024mB installed').format(avail.installsize);
 689         else if (avail.size)
 690                 size = _('~%.1024mB compressed').format(avail.size);
 691         else
 692                 size = _('unknown');
 693
 694         if (avail.description) {
 695                 desc = E('div', {}, [
 696                         E('h5', {}, _('Description')),
 697                         E('p', {}, avail.description)
 698                 ]);
 699         }
 700
 701         L.showModal(_('Remove package <em>%h</em>').format(pkg.name), [
 702                 E('ul', {}, [
 703                         E('li', '<strong>%s:</strong> %h'.format(_('Version'), pkg.version)),
 704                         E('li', '<strong>%s:</strong> %h'.format(_('Size'), size))
 705                 ]),
 706                 desc || '',
 707                 E('div', { 'style': 'display:flex; justify-content:space-between; flex-wrap:wrap' }, [
 708                         E('label', {}, [
 709                                 E('input', { type: 'checkbox', checked: 'checked', name: 'autoremove' }),
 710                                 _('Automatically remove unused dependencies')
 711                         ]),
 712                         E('div', { 'style': 'flex-grow:1', 'class': 'right' }, [
 713                                 E('div', {
 714                                         'class': 'btn',
 715                                         'click': L.hideModal
 716                                 }, _('Cancel')),
 717                                 ' ',
 718                                 E('div', {
 719                                         'data-command': 'remove',
 720                                         'data-package': name,
 721                                         'class': 'btn cbi-button-negative',
 722                                         'click': handleOpkg
 723                                 }, _('Remove'))
 724                         ])
 725                 ])
 726         ]);
 727 }
 728
 729 function handleOpkg(ev)
 730 {
 731         var cmd = ev.target.getAttribute('data-command'),
 732             pkg = ev.target.getAttribute('data-package'),
 733             rem = document.querySelector('input[name="autoremove"]'),
 734             url = 'admin/system/opkg/exec/' + encodeURIComponent(cmd);
 735
 736         var dlg = L.showModal(_('Executing package manager'), [
 737                 E('p', { 'class': 'spinning' },
 738                         _('Waiting for the <em>opkg %h</em> command to complete…').format(cmd))
 739         ]);
 740
 741         L.post(url, { package: pkg, autoremove: rem ? rem.checked : false }, function(xhr, res) {
 742                 dlg.removeChild(dlg.lastChild);
 743
 744                 if (res.stdout)
 745                         dlg.appendChild(E('pre', [ res.stdout ]));
 746
 747                 if (res.stderr) {
 748                         dlg.appendChild(E('h5', _('Errors')));
 749                         dlg.appendChild(E('pre', { 'class': 'errors' }, [ res.stderr ]));
 750                 }
 751
 752                 if (res.code !== 0)
 753                         dlg.appendChild(E('p', _('The <em>opkg %h</em> command failed with code <code>%d</code>.').format(cmd, (res.code & 0xff) || -1)));
 754
 755                 dlg.appendChild(E('div', { 'class': 'right' },
 756                         E('div', {
 757                                 'class': 'btn',
 758                                 'click': function() {
 759                                         L.hideModal();
 760                                         updateLists();
 761                                 }
 762                         }, _('Dismiss'))));
 763         });
 764 }
 765
 766 function updateLists()
 767 {
 768         cbi_update_table('#packages', [],
 769                 E('div', { 'class': 'spinning' }, _('Loading package information…')));
 770
 771         packages.available = { providers: {}, pkgs: {} };
 772         packages.installed = { providers: {}, pkgs: {} };
 773
 774         L.get('admin/system/opkg/statvfs', null, function(xhr, stat) {
 775                 var pg = document.querySelector('.cbi-progressbar'),
 776                     total = stat.blocks || 0,
 777                     free = stat.bfree || 0;
 778
 779                 pg.firstElementChild.style.width = Math.floor(total ? ((100 / total) * free) : 100) + '%';
 780                 pg.setAttribute('title', '%s (%.1024mB)'.format(pg.firstElementChild.style.width, free * (stat.frsize || 0)));
 781
 782                 L.get('admin/system/opkg/list/available', null, function(xhr) {
 783                         parseList(xhr.responseText, packages.available);
 784                         L.get('admin/system/opkg/list/installed', null, function(xhr) {
 785                                 parseList(xhr.responseText, packages.installed);
 786                                 display(document.querySelector('input[name="filter"]').value);
 787                         });
 788                 });
 789         });
 790 }
 791
 792 window.requestAnimationFrame(function() {
 793         var filter = document.querySelector('input[name="filter"]'),
 794             keyTimeout = null;
 795
 796         filter.value = filter.getAttribute('value');
 797         filter.addEventListener('keyup',
 798                 function(ev) {
 799                         if (keyTimeout !== null)
 800                                 window.clearTimeout(keyTimeout);
 801
 802                         keyTimeout = window.setTimeout(function() {
 803                                 display(ev.target.value);
 804                         }, 250);
 805                 });
 806
 807         document.querySelector('#pager > .prev').addEventListener('click', handlePage);
 808         document.querySelector('#pager > .next').addEventListener('click', handlePage);
 809         document.querySelector('.cbi-tabmenu.mode').addEventListener('click', handleMode);
 810
 811         updateLists();
 812 });