browseutil.inc.php

PHP 知识管理系统（基于树结构的知识管理系统）, 英文原版的PHP源码。

                }
                if (!KTPermissionUtil::userHasPermissionOnItem($oUser, 'ktcore.permissions.folder_details', $oThisFolder)) {
                    if (KTBrowseUtil::inAdminMode($oUser, $oThisFolder)) {
                        $aBreadcrumbs[] = array('url' => $url, 'name' => sprintf('(%s)', $sFolderName));
                    } else {
                        $aBreadcrumbs[] = array('name' => '...');
                    }
                    continue;
                }
                $aBreadcrumbs[] = array('url' => $url, 'name' => $sFolderName);
            }
        }

        // now add this folder, _if we aren't in 1_.
        if ($oFolder->getId() != 1) {
            $id = $oFolder->getId();
            $url = KTUtil::addQueryStringSelf('fFolderId=' . $id);
            if (!empty($sAction)) {
                $url = generateControllerUrl($sAction, 'fFolderId=' . $id);
            }
            if (!KTPermissionUtil::userHasPermissionOnItem($oUser, 'ktcore.permissions.folder_details', $oFolder)) {
                if (KTBrowseUtil::inAdminMode($oUser, $oFolder)) {
                    $aBreadcrumbs[] = array('url' => $url, 'name' => sprintf('(%s)', $oFolder->getName()));
                } else {
                    $aBreadcrumbs[] = array('name' => '...');
                }
            } else if ($bFinal) {
                $aBreadcrumbs[] = array('name' => $oFolder->getName());
            } else {
                $aBreadcrumbs[] = array('url' => $url, 'name' => $oFolder->getName());
            }
        }

        $aCompactBreadcrumbs = array();
        $lastdotdotdot = false;
        foreach ($aBreadcrumbs as $aBreadcrumb) {
            if ($aBreadcrumb['name'] == '...') {
                if ($lastdotdotdot == true) {
                    continue;
                }
                $lastdotdotdot = true;
            } else {
                $lastdotdotdot = false;
            }
            $aCompactBreadcrumbs[] = $aBreadcrumb;
        }

        return $aCompactBreadcrumbs;
    }
    // }}}

    // {{{ breadcrumbsForDocument
    function breadcrumbsForDocument($oDocument, $aOptions = null, $iFolderId = null) {
        $bFinal = KTUtil::arrayGet($aOptions, 'final', true, false);
        $aOptions = KTUtil::meldOptions($aOptions, array(
            'final' => false,
        ));

        if($iFolderId == null){
       	 	$iFolderId = $oDocument->getFolderId();
        }
        $aBreadcrumbs = KTBrowseUtil::breadcrumbsForFolder($iFolderId, $aOptions);


        $sAction = KTUtil::arrayGet($aOptions, 'documentaction');
        $url = KTUtil::addQueryStringSelf('fDocumentId=' . $oDocument->getId());
        if (!empty($sAction)) {
            $url = generateControllerUrl($sAction, 'fDocumentId=' .  $oDocument->getId());
        }

        if ($bFinal) {
            $aBreadcrumbs[] = array('name' => $oDocument->getName());
        } else {
            $aBreadcrumbs[] = array('url' => $url, 'name' => $oDocument->getName());
        }
        return $aBreadcrumbs;
    }
    // }}}

    // {{{ getUrlForFolder
    function getUrlForFolder($oFolder) {
        $iFolderId = KTUtil::getId($oFolder);
        $sExt = '.php';
        if (KTUtil::arrayGet($_SERVER, 'kt_no_extensions')) {
            $sExt = '';
        }
        return sprintf('%s/browse%s?fFolderId=%d', $GLOBALS['KTRootUrl'], $sExt, $iFolderId);
    }
    // }}}

    // {{{ getUrlForDocument
    function getUrlForDocument($oDocument) {
        $iDocumentId = KTUtil::getId($oDocument);
        $sExt = '.php';
        if (KTUtil::arrayGet($_SERVER, 'kt_no_extensions')) {
            $sExt = '';
        }
        return sprintf('%s/view%s?fDocumentId=%d', $GLOBALS['KTRootUrl'], $sExt, $iDocumentId);
    }
    // }}}



    function buildBaseUrl($sPage) {
        $sExt = '.php';
        if (KTUtil::arrayGet($_SERVER, 'kt_no_extensions')) {
            $sExt = '';
        }
        return sprintf('%s/%s%s', $GLOBALS['KTRootUrl'], $sPage, $sExt);
    }
    // }}}



    // {{{ getBrowseBaseUrl
    function getBrowseBaseUrl() {
        return KTBrowseUtil::buildBaseUrl('browse');
    }
    // }}}

    // {{{ getViewBaseUrl
    function getViewBaseUrl() {
        return KTBrowseUtil::buildBaseUrl('view');
    }
    // }}}

    // {{{ getActionBaseUrl
    function getActionBaseUrl() {
        return KTBrowseUtil::buildBaseUrl('action');
    }
    // }}}

    function getSimpleSearchBaseUrl() {
        return KTBrowseUtil::buildBaseUrl('search/simpleSearch');
    }
    function getBooleanSearchBaseUrl() {
        return KTBrowseUtil::buildBaseUrl('search/booleanSearch');
    }
    function getSearchResultURL() {
        return KTBrowseUtil::buildBaseUrl('search2');
    }
    // {{{ inAdminMode
    /**
     * Determines whether the user is in administrator mode, including
     * whether the user is in the unit for which it is unit
     * administrator.
     */
    function inAdminMode($oUser, $oFolder) {
        if (KTUtil::arrayGet($_SESSION, 'adminmode', false) !== true) {
            return false;
        }

        if (Permission::userIsSystemAdministrator($oUser)) {
            return true;
        }

        return Permission::isUnitAdministratorForFolder($oUser, $oFolder);
    }
    // }}}

    // {{{ getBrowseableFolders
    /**
     * Finds folders that aren't reachable by the user but to which the
     * user has read permissions.
     *
     * Returns an array of Folder objects.
     */
    function getBrowseableFolders($oUser) {
        $aPermissionDescriptors = KTPermissionUtil::getPermissionDescriptorsForUser($oUser);


        if (empty($aPermissionDescriptors)) {
            return array();
        }
        $sPermissionDescriptors = DBUtil::paramArray($aPermissionDescriptors);

        $oPermission = KTPermission::getByName('ktcore.permissions.read');
        $oPermission2 = KTPermission::getByName('ktcore.permissions.folder_details');
        $aPermissionIds = array($oPermission->getId(), $oPermission->getId(), $oPermission2->getId(), $oPermission2->getId());

        $sFoldersTable = KTUtil::getTableName('folders');
        $sPLTable = KTUtil::getTableName('permission_lookups');
        $sPLATable = KTUtil::getTableName('permission_lookup_assignments');
        $sQuery = "SELECT DISTINCT F.id AS id FROM
            $sFoldersTable AS F
                LEFT JOIN $sPLTable AS PL ON F.permission_lookup_id = PL.id
                LEFT JOIN $sPLATable AS PLA ON PLA.permission_lookup_id = PL.id AND (PLA.permission_id = ? || PLA.permission_id = ?)

            LEFT JOIN $sFoldersTable AS F2 ON F.parent_id = F2.id
                LEFT JOIN $sPLTable AS PL2 ON F2.permission_lookup_id = PL2.id
                LEFT JOIN $sPLATable AS PLA2 ON PLA2.permission_lookup_id = PL2.id AND (PLA2.permission_id = ? || PLA.permission_id = ?)
            WHERE
                PLA.permission_descriptor_id IN ($sPermissionDescriptors)
                AND F2.id <> 1
                AND NOT (PLA2.permission_descriptor_id IN ($sPermissionDescriptors))";
        $aParams = kt_array_merge($aPermissionIds, $aPermissionDescriptors, $aPermissionDescriptors);
        $res = DBUtil::getResultArrayKey(array($sQuery, $aParams), 'id');

        if (PEAR::isError($res)) {
            return $res;
        }
        $aFolders = array();
        foreach ($res as $iFolderId) {
            $aFolders[] = Folder::get($iFolderId);
        }
        return $aFolders;
    }
    // }}}

}