KTDocumentLinks.php
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<?php
/**
* $Id$
*
* The contents of this file are subject to the KnowledgeTree Public
* License Version 1.1 ("License"); You may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.ktdms.com/KPL
*
* Software distributed under the License is distributed on an "AS IS"
* basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is: KnowledgeTree Open Source
*
* The Initial Developer of the Original Code is The Jam Warehouse Software
* (Pty) Ltd, trading as KnowledgeTree.
* Portions created by The Jam Warehouse Software (Pty) Ltd are Copyright
* (C) 2006 The Jam Warehouse Software (Pty) Ltd;
* All Rights Reserved.
*
*/
require_once(KT_LIB_DIR . '/widgets/fieldWidgets.php');
require_once(KT_LIB_DIR . '/documentmanagement/DocumentLink.inc');
require_once(KT_LIB_DIR . '/documentmanagement/LinkType.inc');
require_once(KT_LIB_DIR . "/browse/DocumentCollection.inc.php");
require_once(KT_LIB_DIR . "/browse/BrowseColumns.inc.php");
require_once(KT_LIB_DIR . "/browse/PartialQuery.inc.php");
require_once(KT_LIB_DIR . "/browse/browseutil.inc.php");
require_once(KT_LIB_DIR . "/browse/columnregistry.inc.php");
class KTDocumentLinks extends KTPlugin {
var $sNamespace = "ktstandard.documentlinks.plugin";
function KTDocumentLinks($sFilename = null) {
$res = parent::KTPlugin($sFilename);
$this->sFriendlyName = _kt('Inter-document linking');
return $res;
}
function setup() {
$this->registerAction('documentaction', 'KTDocumentLinkAction', 'ktcore.actions.document.link');
$this->registerColumn(_kt('Link Title'), 'ktdocumentlinks.columns.title', 'KTDocumentLinkTitle',
dirname(__FILE__) . '/KTDocumentLinksColumns.php');
}
}
class KTDocumentLinkAction extends KTDocumentAction {
var $sName = 'ktcore.actions.document.link';
function getDisplayName() {
return _kt('Links');
}
// display existing links
function do_main() {
$oTemplate =& $this->oValidator->validateTemplate('ktstandard/action/document_links');
$this->oPage->setBreadcrumbDetails(_kt("Links"));
$this->oPage->setTitle(_kt("Links"));
$oDocument = Document::get(
KTUtil::arrayGet($_REQUEST, 'fDocumentId', 0)
);
$oReadPermission =& KTPermission::getByName('ktcore.permissions.read');
$oWritePermission =& KTPermission::getByName('ktcore.permissions.write');
$aTemplateData = array(
'context' => $this,
'links_from' => DocumentLink::getLinksFromDocument($oDocument->getId()),
'links_to' => DocumentLink::getLinksToDocument($oDocument->getId()),
'read_permission' => KTPermissionUtil::userHasPermissionOnItem($this->oUser, $oReadPermission, $this->oDocument),
'write_permission' => KTPermissionUtil::userHasPermissionOnItem($this->oUser, $oWritePermission, $this->oDocument),
);
return $oTemplate->render($aTemplateData);
}
// select a target for the link
function do_new() {
$this->oPage->setBreadcrumbDetails(_kt("New Link"));
$this->oPage->setTitle(_kt("New Link"));
$oPermission =& KTPermission::getByName('ktcore.permissions.write');
if (PEAR::isError($oPermission) ||
!KTPermissionUtil::userHasPermissionOnItem($this->oUser, $oPermission, $this->oDocument)) {
$this->errorRedirectToMain(_kt('You do not have sufficient permissions to add a document link'), sprintf("fDocumentId=%d", $this->oDocument->getId()));
exit(0);
}
$oParentDocument =& $this->oDocument;
if (PEAR::isError($oParentDocument)) {
$this->errorRedirectToMain(_kt('Invalid parent document selected.'));
exit(0);
}
$oFolder = Folder::get(KTUtil::arrayGet($_REQUEST, 'fFolderId', $oParentDocument->getFolderID()));
if (PEAR::isError($oFolder) || ($oFolder == false)) {
$this->errorRedirectToMain(_kt('Invalid folder selected.'));
exit(0);
}
$iFolderId = $oFolder->getId();
// Setup the collection for move display.
$collection = new AdvancedCollection();
$aBaseParams = array('fDocumentId'=>$oParentDocument->getId());
$oCR =& KTColumnRegistry::getSingleton();
$col = $oCR->getColumn('ktcore.columns.singleselection');
$col->setOptions(array('qs_params'=>kt_array_merge($aBaseParams, array('fFolderId'=>$oFolder->getId()))));
$collection->addColumn($col);
$col = $oCR->getColumn('ktdocumentlinks.columns.title');
$col->setOptions(array('qs_params'=>kt_array_merge($aBaseParams, array('fFolderId'=>$oFolder->getId()))));
$collection->addColumn($col);
$qObj = new BrowseQuery($iFolderId);
$collection->setQueryObject($qObj);
$aOptions = $collection->getEnvironOptions();
$aOptions['result_url'] = KTUtil::addQueryString($_SERVER['PHP_SELF'],
array(kt_array_merge($aBaseParams, array('fFolderId' => $oFolder->getId()))));
$collection->setOptions($aOptions);
$oWF =& KTWidgetFactory::getSingleton();
$oWidget = $oWF->get('ktcore.widgets.collection',
array('label' => _kt('Browse'),
'description' => _kt('Select something'),
'required' => true,
'name' => 'browse',
'folder_id' => $oFolder->getId(),
'bcurl_params' => $aBaseParams,
'collection' => $collection));
$aTemplateData = array(
'context' => $this,
'folder' => $oFolder,
'parent' => $oParentDocument,
'breadcrumbs' => $aBreadcrumbs,
'collection' => $oWidget,
'link_types' => LinkType::getList("id > 0"),
);
$oTemplate =& $this->oValidator->validateTemplate('ktstandard/action/link');
return $oTemplate->render($aTemplateData);
}
// select a type for the link
function do_type_select() {
$this->oPage->setBreadcrumbDetails(_kt("link"));
$oParentDocument = Document::get(KTUtil::arrayGet($_REQUEST, 'fDocumentId'));
if (PEAR::isError($oParentDocument)) {
$this->errorRedirectToMain(_kt('Invalid parent document selected.'));
exit(0);
}
/*
print '<pre>';
var_dump($_REQUEST);
exit(0);
*/
$oTargetDocument = Document::get(KTUtil::arrayGet($_REQUEST, '_d'));
if (PEAR::isError($oTargetDocument)) {
$this->errorRedirectToMain(_kt('Invalid target document selected.'));
exit(0);
}
// form fields
$aFields = array();
$aVocab = array();
foreach(LinkType::getList("id > 0") as $oLinkType) {
$aVocab[$oLinkType->getID()] = $oLinkType->getName();
}
$aOptions = array('vocab' => $aVocab);
$aFields[] = new KTLookupWidget(
_kt('Link Type'),
_kt('The type of link you wish to use'),
'fLinkTypeId',
null,
$this->oPage,
true,
null,
null,
$aOptions);
$aTemplateData = array(
'context' => $this,
'parent_id' => $oParentDocument->getId(),
'target_id' => $oTargetDocument->getId(),
'fields' => $aFields,
);
$oTemplate =& $this->oValidator->validateTemplate('ktstandard/action/link_type_select');
return $oTemplate->render($aTemplateData);
}
// make the link
function do_make_link() {
$this->oPage->setBreadcrumbDetails(_kt("link"));
// check validity of things
$oParentDocument = Document::get(KTUtil::arrayGet($_REQUEST, 'fDocumentId'));
if (PEAR::isError($oParentDocument)) {
$this->errorRedirectToMain(_kt('Invalid parent document selected.'));
exit(0);
}
$oTargetDocument = Document::get(KTUtil::arrayGet($_REQUEST, 'fTargetDocumentId'));
if (PEAR::isError($oTargetDocument)) {
$this->errorRedirectToMain(_kt('Invalid target document selected.'));
exit(0);
}
$oLinkType = LinkType::get(KTUtil::arrayGet($_REQUEST, 'fLinkTypeId'));
if (PEAR::isError($oLinkType)) {
$this->errorRedirectToMain(_kt('Invalid link type selected.'));
exit(0);
}
// create document link
$this->startTransaction();
$oDocumentLink =& DocumentLink::createFromArray(array(
'iParentDocumentId' => $oParentDocument->getId(),
'iChildDocumentId' => $oTargetDocument->getId(),
'iLinkTypeId' => $oLinkType->getId(),
));
if (PEAR::isError($oDocumentLink)) {
$this->errorRedirectToMain(_kt('Could not create document link'), sprintf('fDocumentId=%d', $oParentDocument->getId()));
exit(0);
}
$this->commitTransaction();
$this->successRedirectToMain(_kt('Document link created'), sprintf('fDocumentId=%d', $oParentDocument->getId()));
exit(0);
}
// delete a link
function do_delete() {
$this->oPage->setBreadcrumbDetails(_kt("link"));
// check security
$oPermission =& KTPermission::getByName('ktcore.permissions.write');
if (PEAR::isError($oPermission) ||
!KTPermissionUtil::userHasPermissionOnItem($this->oUser, $oPermission, $this->oDocument)) {
$this->errorRedirectToMain(_kt('You do not have sufficient permissions to delete a link'), sprintf("fDocumentId=%d", $this->oDocument->getId()));
exit(0);
}
// check validity of things
$oDocumentLink = DocumentLink::get(KTUtil::arrayGet($_REQUEST, 'fDocumentLinkId'));
if (PEAR::isError($oDocumentLink)) {
$this->errorRedirectToMain(_kt('Invalid document link selected.'));
exit(0);
}
$oParentDocument = Document::get(KTUtil::arrayGet($_REQUEST, 'fDocumentId'));
if (PEAR::isError($oParentDocument)) {
$this->errorRedirectToMain(_kt('Invalid document selected.'));
exit(0);
}
// do deletion
$this->startTransaction();
$res = $oDocumentLink->delete();
if (PEAR::isError($res)) {
$this->errorRedirectToMain(_kt('Could not delete document link'), sprintf('fDocumentId=%d', $oParentDocument->getId()));
exit(0);
}
$this->commitTransaction();
$this->successRedirectToMain(_kt('Document link deleted'), sprintf('fDocumentId=%d', $oParentDocument->getId()));
exit(0);
}
}
$oRegistry =& KTPluginRegistry::getSingleton();
$oRegistry->registerPlugin('KTDocumentLinks', 'ktstandard.documentlinks.plugin', __FILE__);
?>