| 449 | | === Conversion example |
| 450 | | |
| 451 | | Here we detail the conversion process of a sample Genshi template ([source:tags/trac-1.0.9/trac/wiki/templates/wiki_view.html wiki_view.html]) into the corresponding Jinja2 template ([source:cboos.git/trac/wiki/templates/jwiki_view.html jwiki_view.html]). |
| 452 | | |
| 453 | | As will become apparent, we mainly use [http://jinja.pocoo.org/docs/dev/templates/#line-statements line statements] for the Jinja2 control structures. |
| 454 | | Note that we have reformatted the Genshi template to use shorter line widths, so that both columns of the table below stay visible (a wide screen also helps). |
| 455 | | |
| 456 | | {{{#!th style="max-width: 200px" |
| 457 | | wiki_view.html (Genshi template) |
| 458 | | }}} |
| 459 | | {{{#!th style="max-width: 200px" |
| 460 | | jwiki_view.html (Jinja2 template) |
| 461 | | }}} |
| 462 | | |------ |
| 463 | | ||= ||= || |
| 464 | | {{{#!td |
| 465 | | {{{#!html+genshi |
| 466 | | <!--! Copyright (C) 2006-2014 Edgewall Software |
| 467 | | |
| 468 | | This software is licensed as described in the file COPYING, which |
| 469 | | you should have received as part of this distribution. The terms |
| 470 | | are also available at http://trac.edgewall.com/license.html. |
| 471 | | |
| 472 | | This software consists of voluntary contributions made by many |
| 473 | | individuals. For the exact contribution history, see the revision |
| 474 | | history and logs, available at http://trac.edgewall.org/. |
| 475 | | --> |
| 476 | | }}} |
| 477 | | }}} |
| 478 | | {{{#!td |
| 479 | | {{{#!html+jinja |
| 480 | | {# Copyright (C) 2006-2014 Edgewall Software |
| 481 | | |
| 482 | | This software is licensed as described in the file COPYING, which |
| 483 | | you should have received as part of this distribution. The terms |
| 484 | | are also available at http://trac.edgewall.com/license.html. |
| 485 | | |
| 486 | | This software consists of voluntary contributions made by many |
| 487 | | individuals. For the exact contribution history, see the revision |
| 488 | | history and logs, available at http://trac.edgewall.org/. |
| 489 | | #} |
| 490 | | }}} |
| 491 | | }}} |
| 492 | | |----------------------------------------------------------------------------- |
| 493 | | |||| Block comments || |
| 494 | | |----------------------------------------------------------------------------- |
| 495 | | {{{#!td |
| 496 | | {{{#!html+genshi |
| 497 | | }}} |
| 498 | | }}} |
| 499 | | {{{#!td |
| 500 | | {{{#!html+jinja |
| 501 | | # extends "jlayout.html" |
| 502 | | }}} |
| 503 | | }}} |
| 504 | | |----------------------------------------------------------------------------- |
| 505 | | |||| This is the equivalent of Genshi's `<py:include href="layout.html" />`. We have to do the extends before outputing any content on our own, otherwise it would show up in the final result. Once we made the `extends`, only the content written within //blocks// will matter. || |
| 506 | | |----------------------------------------------------------------------------- |
| 507 | | {{{#!td |
| 508 | | {{{#!html+genshi |
| 509 | | <!DOCTYPE html |
| 510 | | PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" |
| 511 | | "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> |
| 512 | | }}} |
| 513 | | }}} |
| 514 | | {{{#!td |
| 515 | | {{{#!html+jinja |
| 516 | | <!DOCTYPE html> |
| 517 | | }}} |
| 518 | | }}} |
| 519 | | |----------------------------------------------------------------------------- |
| 520 | | |||| Let's directly make the jump to HTML5, while we're at it (I'm not sure what is the current state of the HTML5 support in Genshi, but it no longer matters) || |
| 521 | | |----------------------------------------------------------------------------- |
| 522 | | {{{#!td |
| 523 | | {{{#!html+genshi |
| 524 | | <html xmlns="http://www.w3.org/1999/xhtml" |
| 525 | | xmlns:py="http://genshi.edgewall.org/" |
| 526 | | xmlns:i18n="http://genshi.edgewall.org/i18n" |
| 527 | | xmlns:xi="http://www.w3.org/2001/XInclude" |
| 528 | | py:with="modify_perm = 'WIKI_MODIFY' in perm(page.resource); |
| 529 | | create_perm = 'WIKI_CREATE' in perm(page.resource); |
| 530 | | admin_perm = 'WIKI_ADMIN' in perm(page.resource); |
| 531 | | is_not_latest = page.exists and page.version != latest_version"> |
| 532 | | }}} |
| 533 | | }}} |
| 534 | | {{{#!td |
| 535 | | {{{#!html+jinja |
| 536 | | <html> |
| 537 | | |
| 538 | | }}} |
| 539 | | }}} |
| 540 | | |----------------------------------------------------------------------------- |
| 541 | | {{{#!td |
| 542 | | No need for exotic namespace declarations. |
| 543 | | |
| 544 | | Note that we can't use a `with` declaration that would encompass the ''head'' and ''content'' blocks we'll define in a moment, as this would force the generation of content twice, once by having the with block present in the template, and a second time because of the extends and the call of the blocks. |
| 545 | | }}} |
| 546 | | |----------------------------------------------------------------------------- |
| 547 | | {{{#!td |
| 548 | | {{{#!html+genshi |
| 549 | | <xi:include href="layout.html" /> |
| 550 | | }}} |
| 551 | | }}} |
| 552 | | {{{#!td |
| 553 | | {{{#!html+jinja |
| 554 | | }}} |
| 555 | | }}} |
| 556 | | |----------------------------------------------------------------------------- |
| 557 | | |||| See above, this will be converted to an initial `extends` statement. || |
| 558 | | |----------------------------------------------------------------------------- |
| 559 | | {{{#!td |
| 560 | | {{{#!html+genshi |
| 561 | | <head> |
| 562 | | <title py:if="title">$title</title> |
| 563 | | }}} |
| 564 | | }}} |
| 565 | | {{{#!td |
| 566 | | {{{#!html+jinja |
| 567 | | <head> |
| 568 | | <title> |
| 569 | | # block title |
| 570 | | # if title: |
| 571 | | ${title} ${ super() } |
| 572 | | # endif |
| 573 | | # endblock title |
| 574 | | </title> |
| 575 | | |
| 576 | | # block head |
| 577 | | # set modify_perm = 'WIKI_MODIFY' in perm(page.resource) |
| 578 | | # set is_not_latest = page.exists and page.version != latest_version |
| 579 | | |
| 580 | | ${ super() } |
| 581 | | }}} |
| 582 | | }}} |
| 583 | | |----------------------------------------------------------------------------- |
| 584 | | {{{#!td colspan=2 |
| 585 | | The content of the <title> element is placed in the ''title'' block, |
| 586 | | followed by the content of the parent ''title'' block (`${ super() }`). |
| 587 | | When closing the block, we reuse the name of the block. |
| 588 | | |
| 589 | | Note that while the only thing that really matters in an extending template |
| 590 | | is the content of the blocks, we try hard to keep a correct HTML structure |
| 591 | | for the whole template page, so that its HTML content can be validated in a |
| 592 | | standalone way (cf. [#jinjachecker]). This is why we add the <html>, <head> and |
| 593 | | <title> tags. |
| 594 | | |
| 595 | | We explained earlier why the title block has to be outside of the ''head'' block: |
| 596 | | to avoid appearing twice, once as part of the head block, and the second time |
| 597 | | when we call `${ super() }` in order to retrieve the content of the parent ''head'' |
| 598 | | block. |
| 599 | | |
| 600 | | Finally, we define some variables at the beginning of the block (corresponding to |
| 601 | | some which were part of the `py:with` attribute in the `<html>` tag, in the Genshi |
| 602 | | template). |
| 603 | | }}} |
| 604 | | |----------------------------------------------------------------------------- |
| 605 | | {{{#!td |
| 606 | | {{{#!html+genshi |
| 607 | | <meta py:if="version or page.author == 'trac'" |
| 608 | | name="ROBOTS" content="NOINDEX, NOFOLLOW" /> |
| 609 | | <link py:if="modify_perm" rel="alternate" |
| 610 | | type="application/x-wiki" |
| 611 | | href="${href.wiki(page.name, action='edit', |
| 612 | | version=page.version if is_not_latest else None)}" |
| 613 | | title="${_('Revert page to this version') if |
| 614 | | is_not_latest else _('Edit this page')}"/> |
| 615 | | }}} |
| 616 | | }}} |
| 617 | | {{{#!td |
| 618 | | {{{#!html+jinja |
| 619 | | # if version or page.author == 'trac': |
| 620 | | <meta name="ROBOTS" content="NOINDEX, NOFOLLOW" /> |
| 621 | | # endif |
| 622 | | # if modify_perm: |
| 623 | | <link rel="alternate" type="application/x-wiki" |
| 624 | | href="${href.wiki(page.name, action='edit', |
| 625 | | version=page.version if is_not_latest)}" |
| 626 | | title="${_("Revert page to this version") if is_not_latest else |
| 627 | | _("Edit this page")}"/> |
| 628 | | # endif |
| 629 | | }}} |
| 630 | | }}} |
| 631 | | |----------------------------------------------------------------------------- |
| 632 | | |||| With Jinja2, the logic is now clearly distinct from the content. || |
| 633 | | |----------------------------------------------------------------------------- |
| 634 | | {{{#!td |
| 635 | | {{{#!html+genshi |
| 636 | | <script type="text/javascript"> |
| 637 | | jQuery(document).ready(function($) { |
| 638 | | $("#content").find("h1,h2,h3,h4,h5,h6") |
| 639 | | .addAnchor(_("Link to this section")); |
| 640 | | $("#content").find(".wikianchor").each(function() { |
| 641 | | $(this).addAnchor(babel.format(_("Link to #%(id)s"), |
| 642 | | {id: $(this).attr('id')})); |
| 643 | | }); |
| 644 | | $(".foldable").enableFolding(true, true); |
| 645 | | }); |
| 646 | | </script> |
| 647 | | }}} |
| 648 | | }}} |
| 649 | | {{{#!td |
| 650 | | {{{#!html+jinja |
| 651 | | <script type="text/javascript"> |
| 652 | | jQuery(document).ready(function($) { |
| 653 | | $("#content").find("h1,h2,h3,h4,h5,h6") |
| 654 | | .addAnchor(_("Link to this section")); |
| 655 | | $("#content").find(".wikianchor").each(function() { |
| 656 | | $(this).addAnchor(babel.format(_("Link to #%(id)s"), { |
| 657 | | id: $(this).attr('id')})); |
| 658 | | }); |
| 659 | | $(".foldable").enableFolding(true, true); |
| 660 | | }); |
| 661 | | </script> |
| 662 | | }}} |
| 663 | | }}} |
| 664 | | |----------------------------------------------------------------------------- |
| 665 | | |||| No changes here, except for some reformatting (we try to stay below 80 chars for nicer future side-by-side diffs). || |
| 666 | | |----------------------------------------------------------------------------- |
| 667 | | {{{#!td |
| 668 | | {{{#!html+genshi |
| 669 | | </head> |
| 670 | | |
| 671 | | }}} |
| 672 | | }}} |
| 673 | | {{{#!td |
| 674 | | {{{#!html+jinja |
| 675 | | # endblock head |
| 676 | | </head> |
| 677 | | |
| 678 | | }}} |
| 679 | | }}} |
| 680 | | |----------------------------------------------------------------------------- |
| 681 | | |||| We close the ''head'' block. || |
| 682 | | |----------------------------------------------------------------------------- |
| 683 | | {{{#!td |
| 684 | | {{{#!html+genshi |
| 685 | | <body> |
| 686 | | <div id="content" class="${classes('wiki', create=not page.exists)}"> |
| 687 | | |
| 688 | | }}} |
| 689 | | }}} |
| 690 | | {{{#!td |
| 691 | | {{{#!html+jinja |
| 692 | | <body> |
| 693 | | # block content |
| 694 | | # set modify_perm = 'WIKI_MODIFY' in perm(page.resource) |
| 695 | | # set create_perm = 'WIKI_CREATE' in perm(page.resource) |
| 696 | | # set admin_perm = 'WIKI_ADMIN' in perm(page.resource) |
| 697 | | # set is_not_latest = page.exists and page.version != latest_version |
| 698 | | |
| 699 | | <div id="content" class="${classes('wiki', create=not page.exists)}"> |
| 700 | | |
| 701 | | }}} |
| 702 | | }}} |
| 703 | | |----------------------------------------------------------------------------- |
| 704 | | |||| We start the ''content'' block. As before with the ''header'' block, we define some variables at the beginning of the block. || |
| 705 | | |----------------------------------------------------------------------------- |
| 706 | | {{{#!td |
| 707 | | {{{#!html+genshi |
| 708 | | <py:if test="version"> |
| 709 | | <br /> |
| 710 | | <table id="info" summary="Revision info"> |
| 711 | | <tr><th scope="row" i18n:msg="version, author, date"> |
| 712 | | Version $page.version (modified by ${authorinfo(page.author)}, |
| 713 | | ${pretty_dateinfo(page.time)}) |
| 714 | | (<a href="${href.wiki(page.name, action='diff', |
| 715 | | version=page.version)}">diff</a>) |
| 716 | | </th></tr> |
| 717 | | <tr><td class="message" xml:space="preserve"> |
| 718 | | ${wiki_to_html(context, page.comment or '--')} |
| 719 | | </td></tr> |
| 720 | | </table> |
| 721 | | </py:if> |
| 722 | | }}} |
| 723 | | }}} |
| 724 | | {{{#!td |
| 725 | | {{{#!html+jinja |
| 726 | | # if version: |
| 727 | | <br /> |
| 728 | | <table id="info" summary="${_("Revision info")}"> |
| 729 | | <tr><th scope="row"> |
| 730 | | # with |
| 731 | | # set version = page.version |
| 732 | | # set author = authorinfo(page.author) |
| 733 | | # set date = pretty_dateinfo(page.time) |
| 734 | | # set hef = href.wiki(page.name, action='diff', version=page.version) |
| 735 | | # trans version, author, date, href |
| 736 | | |
| 737 | | Version ${version} (modified by ${author}, ${date}) |
| 738 | | (<a href="${href}">diff</a>) |
| 739 | | |
| 740 | | # endtrans |
| 741 | | # endwith |
| 742 | | </th></tr> |
| 743 | | <tr><td class="message"> |
| 744 | | ${wiki_to_html(context, page.comment or '--')} |
| 745 | | </td></tr> |
| 746 | | </table> |
| 747 | | # endif |
| 748 | | |
| 749 | | }}} |
| 750 | | }}} |
| 751 | | |----------------------------------------------------------------------------- |
| 752 | | {{{#!td colspan=2 |
| 753 | | Here we illustrate the i18n changes. |
| 754 | | |
| 755 | | First, any sentence that corresponds to visible end-user text that should be |
| 756 | | translated has to be marked somehow. |
| 757 | | |
| 758 | | One way is to use the standard i18n calls, |
| 759 | | `_`, `ngettext()`, etc. |
| 760 | | |
| 761 | | The other way is to use `trans` blocks. |
| 762 | | There are two big differences with their Genshi i18n equivalent: |
| 763 | | - variable substitutions can only be those of direct variables, |
| 764 | | no kind of expression is allowed, even as simple as attribute |
| 765 | | lookup |
| 766 | | - Jinja2, markup neutral as it is, will not do any substitutions |
| 767 | | on the markup found in a trans block; what would have ended |
| 768 | | in a Genshi bracketed expression `... [1:diff]` in the catalogs |
| 769 | | will now remain HTML markup: `... <a href="${href}">diff</a>`. |
| 770 | | Note that one can use a `with` statement for breaking up the |
| 771 | | assignments needed on multiple separate lines. |
| 772 | | Smaller lists of variables can be placed on the `trans` line directly. |
| 773 | | }}} |
| 774 | | |----------------------------------------------------------------------------- |
| 775 | | {{{#!td |
| 776 | | {{{#!html+genshi |
| 777 | | <div class="wikipage searchable" py:choose="" xml:space="preserve"> |
| 778 | | <py:when test="page.exists"> |
| 779 | | <div id="wikipage" class="trac-content" |
| 780 | | py:content="wiki_to_html(context, text)" /> |
| 781 | | <?python |
| 782 | | last_modification = (page.comment and |
| 783 | | _('Version %(version)s by %(author)s: %(comment)s', |
| 784 | | version=page.version, author=format_author(page.author), |
| 785 | | comment=page.comment) or |
| 786 | | _('Version %(version)s by %(author)s', |
| 787 | | version=page.version, author=format_author(page.author))) |
| 788 | | ?> |
| 789 | | <div py:if="not version" class="trac-modifiedby"> |
| 790 | | <span i18n:msg="reldate"> |
| 791 | | <a href="${href.wiki(page.name, action='diff', |
| 792 | | version=page.version)}" |
| 793 | | title="$last_modification">Last modified</a> |
| 794 | | ${pretty_dateinfo(page.time)} |
| 795 | | </span> |
| 796 | | <span class="trac-print" i18n:msg="date">Last modified on |
| 797 | | ${format_datetime(page.time)}</span> |
| 798 | | </div> |
| 799 | | </py:when> |
| 800 | | <py:otherwise> |
| 801 | | <p i18n:msg="name">The page <strong>${name_of(page.resource)}</strong> |
| 802 | | does not exist. You can create it here.</p> |
| 803 | | </py:otherwise> |
| 804 | | </div> |
| 805 | | }}} |
| 806 | | }}} |
| 807 | | {{{#!td |
| 808 | | {{{#!html+jinja |
| 809 | | <div class="wikipage searchable"> |
| 810 | | # if page.exists: |
| 811 | | <div id="wikipage" class="trac-content">${ |
| 812 | | wiki_to_html(context, text) |
| 813 | | }</div> |
| 814 | | # set last_modification = (page.comment and |
| 815 | | _('Version %(version)s by %(author)s: %(comment)s', |
| 816 | | version=page.version, author=format_author(page.author), |
| 817 | | comment=page.comment) or |
| 818 | | _('Version %(version)s by %(author)s', |
| 819 | | version=page.version, author=format_author(page.author))) |
| 820 | | # if not version: |
| 821 | | <div class="trac-modifiedby"> |
| 822 | | <span> |
| 823 | | # with |
| 824 | | # set href = href.wiki(page.name, action='diff', |
| 825 | | version=page.version), |
| 826 | | # set date = pretty_dateinfo(page.time) |
| 827 | | # trans href, last_modification, date |
| 828 | | |
| 829 | | <a href="${href}" |
| 830 | | title="${last_modification}">Last modified</a> ${date} |
| 831 | | |
| 832 | | # endtrans |
| 833 | | # endwith |
| 834 | | </span> |
| 835 | | <span class="trac-print"> |
| 836 | | ${_("Last modified on %(date)s", date=format_datetime(page.time))} |
| 837 | | </span> |
| 838 | | </div> |
| 839 | | # endif |
| 840 | | # else: |
| 841 | | <p> |
| 842 | | # trans name = name_of(page.resource) |
| 843 | | |
| 844 | | The page <strong>${name}</strong> does not exist. |
| 845 | | You can create it here. |
| 846 | | |
| 847 | | # endtrans |
| 848 | | </p> |
| 849 | | # endif |
| 850 | | </div> |
| 851 | | }}} |
| 852 | | }}} |
| 853 | | |----------------------------------------------------------------------------- |
| 854 | | |||| || |
| 855 | | |----------------------------------------------------------------------------- |
| 856 | | {{{#!td |
| 857 | | {{{#!html+genshi |
| 858 | | <xi:include href="list_of_attachments.html" |
| 859 | | py:with="alist = attachments; compact = True; |
| 860 | | foldable = True"/> |
| 861 | | }}} |
| 862 | | }}} |
| 863 | | {{{#!td |
| 864 | | {{{#!html+jinja |
| 865 | | # with |
| 866 | | # set alist = attachments |
| 867 | | # set compact = True |
| 868 | | # set foldable = True |
| 869 | | # include "jlist_of_attachments.html" |
| 870 | | # endwith |
| 871 | | }}} |
| 872 | | }}} |
| 873 | | |----------------------------------------------------------------------------- |
| 874 | | |||| Jinja2 includes also know about their context, so that make them kind of parametric. || |
| 875 | | |----------------------------------------------------------------------------- |
| 876 | | {{{#!td |
| 877 | | {{{#!html+genshi |
| 878 | | <py:with vars="delete_perm = 'WIKI_DELETE' in perm(page.resource); |
| 879 | | rename_perm = 'WIKI_RENAME' in perm(page.resource)"> |
| 880 | | <py:if test="modify_perm or create_perm or delete_perm"> |
| 881 | | <div class="buttons"> |
| 882 | | <py:if test="modify_perm or create_perm"> |
| 883 | | }}} |
| 884 | | }}} |
| 885 | | {{{#!td |
| 886 | | {{{#!html+jinja |
| 887 | | # with |
| 888 | | # set delete_perm = 'WIKI_DELETE' in perm(page.resource) |
| 889 | | # set rename_perm = 'WIKI_RENAME' in perm(page.resource) |
| 890 | | # if modify_perm or create_perm or delete_perm: |
| 891 | | <div class="buttons"> |
| 892 | | # if modify_perm or create_perm: |
| 893 | | }}} |
| 894 | | }}} |
| 895 | | |----------------------------------------------------------------------------- |
| 896 | | |||| Again, even when there's a lot of control lines, it's a bit easier to immediately spot the actual content in Jinja2 templates, due to the clearer syntactic difference. || |
| 897 | | |----------------------------------------------------------------------------- |
| 898 | | {{{#!td |
| 899 | | {{{#!html+genshi |
| 900 | | <form method="get" action="${href.wiki(page.name)}" id="modifypage"> |
| 901 | | <div> |
| 902 | | <input type="hidden" name="action" value="edit" /> |
| 903 | | <py:choose> |
| 904 | | <py:when test="is_not_latest and modify_perm"> |
| 905 | | <input type="hidden" name="version" value="${page.version}"/> |
| 906 | | <input type="submit" value="${_('Revert to this version')}"/> |
| 907 | | </py:when> |
| 908 | | <py:when test="page.exists and modify_perm"> |
| 909 | | <input type="submit" value="${_('Edit this page')}" |
| 910 | | accesskey="e" /> |
| 911 | | </py:when> |
| 912 | | <py:when test="not page.exists and create_perm"> |
| 913 | | <input type="submit" value="${_('Create this page')}" |
| 914 | | accesskey="e" /> |
| 915 | | <div py:if="templates" id="template"> |
| 916 | | <label for="template">using the template:</label> |
| 917 | | <select name="template"> |
| 918 | | <option selected="${not default_template in templates |
| 919 | | or None}" |
| 920 | | value="">(blank page)</option> |
| 921 | | <option py:for="t in sorted(templates)" value="$t" |
| 922 | | selected="${t == default_template or None}" |
| 923 | | >$t</option> |
| 924 | | </select> |
| 925 | | </div> |
| 926 | | </py:when> |
| 927 | | </py:choose> |
| 928 | | </div> |
| 929 | | </form> |
| 930 | | }}} |
| 931 | | }}} |
| 932 | | {{{#!td |
| 933 | | {{{#!html+jinja |
| 934 | | <form method="get" action="${href.wiki(page.name)}" id="modifypage"> |
| 935 | | <div> |
| 936 | | <input type="hidden" name="action" value="edit" /> |
| 937 | | # if is_not_latest and modify_perm: |
| 938 | | <input type="hidden" name="version" value="${page.version}"/> |
| 939 | | <input type="submit" value="${_('Revert to this version')}"/> |
| 940 | | # elif page.exists and modify_perm: |
| 941 | | <input type="submit" value="${_('Edit this page')}" |
| 942 | | accesskey="e" /> |
| 943 | | # elif not page.exists and create_perm: |
| 944 | | <input type="submit" value="${_('Create this page')}" |
| 945 | | accesskey="e" /> |
| 946 | | # if templates: |
| 947 | | <div id="template"> |
| 948 | | <label for="template">${_("using the template:")}</label> |
| 949 | | <select name="template"> |
| 950 | | <option ${{'selected': not default_template in templates |
| 951 | | }|htmlattr} |
| 952 | | value="">${_("(blank page)")}</option> |
| 953 | | # for t in sorted(templates): |
| 954 | | <option value="${t}" |
| 955 | | ${{'selected': t == default_template |
| 956 | | }|htmlattr}>${t}</option> |
| 957 | | # endfor |
| 958 | | </select> |
| 959 | | </div> |
| 960 | | # endif |
| 961 | | # endif |
| 962 | | </div> |
| 963 | | </form> |
| 964 | | |
| 965 | | }}} |
| 966 | | }}} |
| 967 | | |----------------------------------------------------------------------------- |
| 968 | | {{{#!td |
| 969 | | A `<py:choose>` and its series of `<py:when>` translates very smoothly into a sequence of `if / elif` statements. |
| 970 | | |
| 971 | | Special care should be taken when producing attributes dynamically, as it's the |
| 972 | | case here for `selected`. We use the `htmlattr` filter that takes care of |
| 973 | | producing the right value for the attribute depending on its content: with |
| 974 | | a truth value, we'll output `selected="selected"` otherwise we'll just omit |
| 975 | | the parameter. |
| 976 | | }}} |
| 977 | | |----------------------------------------------------------------------------- |
| 978 | | |||| || |
| 979 | | |----------------------------------------------------------------------------- |
| 980 | | {{{#!td |
| 981 | | {{{#!html+genshi |
| 982 | | <py:if test="page.exists"> |
| 983 | | <xi:include href="attach_file_form.html" |
| 984 | | py:with="alist = attachments"/> |
| 985 | | </py:if> |
| 986 | | </py:if> |
| 987 | | }}} |
| 988 | | }}} |
| 989 | | {{{#!td |
| 990 | | {{{#!html+jinja |
| 991 | | # if page.exists: |
| 992 | | # with alist = attachments |
| 993 | | # include "jattach_file_form.html" |
| 994 | | # endwith |
| 995 | | # endif |
| 996 | | # endif |
| 997 | | }}} |
| 998 | | }}} |
| 999 | | |----------------------------------------------------------------------------- |
| 1000 | | |||| We pass `attachments` as `alist` to the included template (a `j...` template, obviously). || |
| 1001 | | |----------------------------------------------------------------------------- |
| 1002 | | {{{#!td |
| 1003 | | {{{#!html+genshi |
| 1004 | | <form method="get" action="${href.wiki(page.name)}" |
| 1005 | | id="rename" py:if="page.exists and rename_perm"> |
| 1006 | | <div> |
| 1007 | | <input type="hidden" name="action" value="rename" /> |
| 1008 | | <input type="submit" value="${_('Rename page')}" /> |
| 1009 | | </div> |
| 1010 | | </form> |
| 1011 | | <form method="get" action="${href.wiki(page.name)}" |
| 1012 | | id="delete" py:if="page.exists and delete_perm"> |
| 1013 | | <div> |
| 1014 | | <input type="hidden" name="action" value="delete" /> |
| 1015 | | <input type="hidden" name="version" value="$page.version" /> |
| 1016 | | <py:if test="page.version == latest_version"> |
| 1017 | | <input type="submit" name="delete_version" |
| 1018 | | value="${_('Delete this version')}" /> |
| 1019 | | </py:if> |
| 1020 | | <input type="submit" value="${_('Delete page')}" /> |
| 1021 | | </div> |
| 1022 | | </form> |
| 1023 | | </div> |
| 1024 | | </py:if> |
| 1025 | | </py:with> |
| 1026 | | }}} |
| 1027 | | }}} |
| 1028 | | {{{#!td |
| 1029 | | {{{#!html+jinja |
| 1030 | | # if page.exists and rename_perm: |
| 1031 | | <form method="get" action="${href.wiki(page.name)}" id="rename"> |
| 1032 | | <div> |
| 1033 | | <input type="hidden" name="action" value="rename" /> |
| 1034 | | <input type="submit" value="${_('Rename page')}" /> |
| 1035 | | </div> |
| 1036 | | </form> |
| 1037 | | # endif |
| 1038 | | # if page.exists and delete_perm: |
| 1039 | | <form method="get" action="${href.wiki(page.name)}" id="delete"> |
| 1040 | | <div> |
| 1041 | | <input type="hidden" name="action" value="delete" /> |
| 1042 | | <input type="hidden" name="version" value="${page.version}" /> |
| 1043 | | # if page.version == latest_version: |
| 1044 | | <input type="submit" name="delete_version" value="${_('Delete this version')}" /> |
| 1045 | | # endif |
| 1046 | | <input type="submit" value="${_('Delete page')}" /> |
| 1047 | | </div> |
| 1048 | | </form> |
| 1049 | | # endif |
| 1050 | | </div> |
| 1051 | | # endif |
| 1052 | | # endwith |
| 1053 | | |
| 1054 | | }}} |
| 1055 | | }}} |
| 1056 | | |----------------------------------------------------------------------------- |
| 1057 | | |||| || |
| 1058 | | |----------------------------------------------------------------------------- |
| 1059 | | {{{#!td |
| 1060 | | {{{#!html+genshi |
| 1061 | | <div class="wikipage searchable" py:if="not page.exists and higher"> |
| 1062 | | <p>You could also create the same page higher in the hierarchy:</p> |
| 1063 | | <ul> |
| 1064 | | <li py:for="markup in higher">${markup}</li> |
| 1065 | | </ul> |
| 1066 | | </div> |
| 1067 | | }}} |
| 1068 | | }}} |
| 1069 | | {{{#!td |
| 1070 | | {{{#!html+jinja |
| 1071 | | # if not page.exists and higher: |
| 1072 | | <div class="wikipage searchable"> |
| 1073 | | <p>You could also create the same page higher in the hierarchy:</p> |
| 1074 | | <ul> |
| 1075 | | # for markup in higher: |
| 1076 | | <li>${markup}</li> |
| 1077 | | # endfor |
| 1078 | | </ul> |
| 1079 | | </div> |
| 1080 | | # endif |
| 1081 | | |
| 1082 | | }}} |
| 1083 | | }}} |
| 1084 | | |----------------------------------------------------------------------------- |
| 1085 | | |||| Here's the first use of the `for` statement. Straightforward. || |
| 1086 | | |----------------------------------------------------------------------------- |
| 1087 | | {{{#!td |
| 1088 | | {{{#!html+genshi |
| 1089 | | <div class="wikipage searchable" py:if="not page.exists and related"> |
| 1090 | | <p>The following pages have a name similar to this page, |
| 1091 | | and may be related:</p> |
| 1092 | | <ul> |
| 1093 | | <li py:for="markup in related">${markup}</li> |
| 1094 | | </ul> |
| 1095 | | </div> |
| 1096 | | }}} |
| 1097 | | }}} |
| 1098 | | {{{#!td |
| 1099 | | {{{#!html+jinja |
| 1100 | | # if not page.exists and related: |
| 1101 | | <div class="wikipage searchable"> |
| 1102 | | <p>${_("The following pages have a name similar to this page, and may be related:")}</p> |
| 1103 | | <ul> |
| 1104 | | # for markup in related: |
| 1105 | | <li>${markup}</li> |
| 1106 | | # endif |
| 1107 | | </ul> |
| 1108 | | </div> |
| 1109 | | # endif |
| 1110 | | }}} |
| 1111 | | }}} |
| 1112 | | |----------------------------------------------------------------------------- |
| 1113 | | |||| || |
| 1114 | | |----------------------------------------------------------------------------- |
| 1115 | | {{{#!td |
| 1116 | | {{{#!html+genshi |
| 1117 | | </div> |
| 1118 | | </body> |
| 1119 | | </html> |
| 1120 | | }}} |
| 1121 | | }}} |
| 1122 | | {{{#!td |
| 1123 | | {{{#!html+jinja |
| 1124 | | </div> |
| 1125 | | |
| 1126 | | ${ super() } |
| 1127 | | |
| 1128 | | # endblock content |
| 1129 | | </body> |
| 1130 | | </html> |
| 1131 | | }}} |
| 1132 | | }}} |
| 1133 | | |----------------------------------------------------------------------------- |
| 1134 | | |||| Once we're done with the `<div id="content">`, we also call `${ super() }` to re-insert the parent content of the ''content'' block, i.e. the altlinks div and the late_links/late_scripts logic. || |
| 1135 | | |----------------------------------------------------------------------------- |
| | 449 | See also PortingFromGenshiToJinja/Example for a full example presented side-by-side. |
