Proyectos de Subversion Moodle

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/**
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 * Adds select all/none links to the top of the backup/restore/import schema page.
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 *
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 * @module moodle-backup-backupselectall
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 */
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// Namespace for the backup
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M.core_backup = M.core_backup || {};
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/**
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 * Adds select all/none links to the top of the backup/restore/import schema page.
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 *
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 * @class M.core_backup.backupselectall
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 */
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M.core_backup.backupselectall = function(modnames) {
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    var formid = null;
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    var helper = function(e, check, type, mod) {
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        e.preventDefault();
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        var prefix = '';
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        if (typeof mod !== 'undefined') {
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            prefix = 'setting_activity_' + mod + '_';
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        }
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        var len = type.length;
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        Y.all('input[type="checkbox"]').each(function(checkbox) {
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            var name = checkbox.get('name');
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            // If a prefix has been set, ignore checkboxes which don't have that prefix.
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            if (prefix && name.substring(0, prefix.length) !== prefix) {
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                return;
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            }
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            if (name.substring(name.length - len) === type) {
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                checkbox.set('checked', check);
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            }
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        });
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        // At this point, we really need to persuade the form we are part of to
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        // update all of its disabledIf rules. However, as far as I can see,
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        // given the way that lib/form/form.js is written, that is impossible.
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        if (formid && M.form) {
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            M.form.updateFormState(formid);
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        }
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    };
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    var html_generator = function(classname, idtype, heading, extra) {
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        if (typeof extra === 'undefined') {
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            extra = '';
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        }
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        return '<div class="' + classname + '">' +
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                    '<div class="fitem fitem_fcheckbox backup_selector">' +
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                        '<div class="fitemtitle">' + heading + '</div>' +
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                        '<div class="felement">' +
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                            '<a id="backup-all-' + idtype + '" href="#">' + M.util.get_string('all', 'moodle') + '</a> / ' +
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                            '<a id="backup-none-' + idtype + '" href="#">' + M.util.get_string('none', 'moodle') + '</a>' +
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                            extra +
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                        '</div>' +
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                    '</div>' +
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                '</div>';
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    };
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    var firstsection = Y.one('fieldset#id_coursesettings .fcontainer .grouped_settings.section_level');
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    if (!firstsection) {
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        // This is not a relevant page.
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        return;
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    }
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    if (!firstsection.one('input[type="checkbox"]')) {
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        // No checkboxes.
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        return;
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    }
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    formid = firstsection.ancestor('form').getAttribute('id');
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    var withuserdata = false;
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    Y.all('input[type="checkbox"]').each(function(checkbox) {
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        var name = checkbox.get('name');
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        if (name.substring(name.length - 9) === '_userdata') {
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            withuserdata = '_userdata';
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        } else if (name.substring(name.length - 9) === '_userinfo') {
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            withuserdata = '_userinfo';
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        }
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    });
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    // Add global select all/none options.
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    var html = html_generator('include_setting section_level', 'included', M.util.get_string('select', 'moodle'),
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            ' (<a id="backup-bytype" href="#">' + M.util.get_string('showtypes', 'backup') + '</a>)');
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    if (withuserdata) {
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        html += html_generator('normal_setting', 'userdata', M.util.get_string('select', 'moodle'));
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    }
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    var links = Y.Node.create('<div class="grouped_settings section_level">' + html + '</div>');
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    firstsection.insert(links, 'before');
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    // Add select all/none for each module type.
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    var initlinks = function(links, mod) {
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        Y.one('#backup-all-mod_' + mod).on('click', function(e) {
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            helper(e, true, '_included', mod);
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        });
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        Y.one('#backup-none-mod_' + mod).on('click', function(e) {
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            helper(e, false, '_included', mod);
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        });
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        if (withuserdata) {
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            Y.one('#backup-all-userdata-mod_' + mod).on('click', function(e) {
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                helper(e, true, withuserdata, mod);
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            });
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            Y.one('#backup-none-userdata-mod_' + mod).on('click', function(e) {
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                helper(e, false, withuserdata, mod);
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            });
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        }
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    };
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    // For each module type on the course, add hidden select all/none options.
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    var modlist = Y.Node.create('<div id="mod_select_links">');
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    modlist.hide();
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    modlist.currentlyshown = false;
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    links.appendChild(modlist);
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    for (var mod in modnames) {
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        // Only include actual values from the list.
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        if (!modnames.hasOwnProperty(mod)) {
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            continue;
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        }
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        html = html_generator('include_setting section_level', 'mod_' + mod, modnames[mod]);
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        if (withuserdata) {
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            html += html_generator('normal_setting', 'userdata-mod_' + mod, modnames[mod]);
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        }
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        var modlinks = Y.Node.create(
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            '<div class="grouped_settings section_level">' + html + '</div>');
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        modlist.appendChild(modlinks);
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        initlinks(modlinks, mod);
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    }
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    // Toggles the display of the hidden module select all/none links.
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    var toggletypes = function() {
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        // Change text of type toggle link.
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        var link = Y.one('#backup-bytype');
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        if (modlist.currentlyshown) {
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            link.setHTML(M.util.get_string('showtypes', 'backup'));
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        } else {
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            link.setHTML(M.util.get_string('hidetypes', 'backup'));
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        }
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        // The link has now been toggled (from show to hide, or vice-versa).
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        modlist.currentlyshown = !modlist.currentlyshown;
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        // Either hide or show the links.
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        var animcfg = {node: modlist, duration: 0.2},
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            anim;
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        if (modlist.currentlyshown) {
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            // Animate reveal of the module links.
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            modlist.show();
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            animcfg.to = {maxHeight: modlist.get('clientHeight') + 'px'};
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            modlist.setStyle('maxHeight', '0px');
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            anim = new Y.Anim(animcfg);
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            anim.on('end', function() {
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                modlist.setStyle('maxHeight', 'none');
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            });
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            anim.run();
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        } else {
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            // Animate hide of the module links.
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            animcfg.to = {maxHeight: '0px'};
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            modlist.setStyle('maxHeight', modlist.get('clientHeight') + 'px');
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            anim = new Y.Anim(animcfg);
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            anim.on('end', function() {
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                modlist.hide();
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                modlist.setStyle('maxHeight', 'none');
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            });
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            anim.run();
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        }
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    };
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    Y.one('#backup-bytype').on('click', function(e) {
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        e.preventDefault();
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        toggletypes();
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    });
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    Y.one('#backup-all-included').on('click', function(e) {
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        helper(e, true, '_included');
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    });
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    Y.one('#backup-none-included').on('click', function(e) {
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        helper(e, false, '_included');
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    });
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    if (withuserdata) {
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        Y.one('#backup-all-userdata').on('click', function(e) {
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            helper(e, true, withuserdata);
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        });
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        Y.one('#backup-none-userdata').on('click', function(e) {
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            helper(e, false, withuserdata);
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        });
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    }
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};