280 lines
9.6 KiB
PHP
280 lines
9.6 KiB
PHP
<?php
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/**
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* Driver interface for the Tasklist plugin
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*
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* @version @package_version@
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* @author Thomas Bruederli <bruederli@kolabsys.com>
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*
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* Copyright (C) 2012, Kolab Systems AG <contact@kolabsys.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* Struct of an internal task object how it is passed from/to the driver classes:
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*
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* $task = array(
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* 'id' => 'Task ID used for editing', // must be unique for the current user
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* 'parent_id' => 'ID of parent task', // null if top-level task
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* 'uid' => 'Unique identifier of this task',
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* 'list' => 'Task list identifier to add the task to or where the task is stored',
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* 'changed' => <DateTime>, // Last modification date/time of the record
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* 'title' => 'Event title/summary',
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* 'description' => 'Event description',
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* 'tags' => array(), // List of tags for this task
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* 'date' => 'Due date', // as string of format YYYY-MM-DD or null if no date is set
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* 'time' => 'Due time', // as string of format hh::ii or null if no due time is set
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* 'startdate' => 'Start date' // Delay start of the task until that date
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* 'starttime' => 'Start time' // ...and time
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* 'categories' => 'Task category',
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* 'flagged' => 'Boolean value whether this record is flagged',
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* 'complete' => 'Float value representing the completeness state (range 0..1)',
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* 'sensitivity' => 0|1|2, // Event sensitivity (0=public, 1=private, 2=confidential)
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* 'alarms' => '-15M:DISPLAY', // Reminder settings inspired by valarm definition (e.g. display alert 15 minutes before due time)
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* '_fromlist' => 'List identifier where the task was stored before',
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* );
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*/
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/**
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* Driver interface for the Tasklist plugin
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*/
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abstract class tasklist_driver
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{
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// features supported by the backend
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public $alarms = false;
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public $attachments = false;
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public $undelete = false; // task undelete action
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public $sortable = false;
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public $alarm_types = array('DISPLAY');
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public $alarm_absolute = true;
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public $last_error;
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/**
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* Get a list of available task lists from this source
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*/
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abstract function get_lists();
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/**
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* Create a new list assigned to the current user
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*
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* @param array Hash array with list properties
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* name: List name
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* color: The color of the list
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* showalarms: True if alarms are enabled
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* @return mixed ID of the new list on success, False on error
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*/
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abstract function create_list(&$prop);
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/**
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* Update properties of an existing tasklist
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*
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* @param array Hash array with list properties
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* id: List Identifier
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* name: List name
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* color: The color of the list
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* showalarms: True if alarms are enabled (if supported)
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* @return boolean True on success, Fales on failure
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*/
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abstract function edit_list(&$prop);
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/**
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* Set active/subscribed state of a list
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*
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* @param array Hash array with list properties
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* id: List Identifier
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* active: True if list is active, false if not
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* @return boolean True on success, Fales on failure
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*/
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abstract function subscribe_list($prop);
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/**
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* Delete the given list with all its contents
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*
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* @param array Hash array with list properties
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* id: list Identifier
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* @return boolean True on success, Fales on failure
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*/
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abstract function remove_list($prop);
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/**
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* Get number of tasks matching the given filter
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*
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* @param array List of lists to count tasks of
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* @return array Hash array with counts grouped by status (all|flagged|completed|today|tomorrow|nodate)
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*/
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abstract function count_tasks($lists = null);
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/**
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* Get all taks records matching the given filter
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*
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* @param array Hash array with filter criterias:
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* - mask: Bitmask representing the filter selection (check against tasklist::FILTER_MASK_* constants)
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* - from: Date range start as string (Y-m-d)
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* - to: Date range end as string (Y-m-d)
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* - search: Search query string
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* @param array List of lists to get tasks from
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* @return array List of tasks records matchin the criteria
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*/
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abstract function list_tasks($filter, $lists = null);
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/**
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* Get a list of pending alarms to be displayed to the user
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*
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* @param integer Current time (unix timestamp)
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* @param mixed List of list IDs to show alarms for (either as array or comma-separated string)
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* @return array A list of alarms, each encoded as hash array with task properties
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* id: Task identifier
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* uid: Unique identifier of this task
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* date: Task due date
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* time: Task due time
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* title: Task title/summary
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*/
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abstract function pending_alarms($time, $lists = null);
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/**
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* (User) feedback after showing an alarm notification
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* This should mark the alarm as 'shown' or snooze it for the given amount of time
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*
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* @param string Task identifier
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* @param integer Suspend the alarm for this number of seconds
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*/
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abstract function dismiss_alarm($id, $snooze = 0);
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/**
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* Return data of a specific task
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*
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* @param mixed Hash array with task properties or task UID
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* @return array Hash array with task properties or false if not found
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*/
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abstract public function get_task($prop);
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/**
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* Get decendents of the given task record
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*
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* @param mixed Hash array with task properties or task UID
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* @param boolean True if all childrens children should be fetched
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* @return array List of all child task IDs
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*/
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abstract public function get_childs($prop, $recursive = false);
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/**
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* Add a single task to the database
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*
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* @param array Hash array with task properties (see header of this file)
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* @return mixed New event ID on success, False on error
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*/
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abstract function create_task($prop);
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/**
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* Update an task entry with the given data
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*
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* @param array Hash array with task properties (see header of this file)
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* @return boolean True on success, False on error
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*/
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abstract function edit_task($prop);
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/**
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* Move a single task to another list
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*
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* @param array Hash array with task properties:
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* id: Task identifier
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* list: New list identifier to move to
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* _fromlist: Previous list identifier
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* @return boolean True on success, False on error
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*/
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abstract function move_task($prop);
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/**
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* Remove a single task from the database
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*
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* @param array Hash array with task properties:
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* id: Task identifier
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* @param boolean Remove record irreversible (mark as deleted otherwise, if supported by the backend)
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* @return boolean True on success, False on error
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*/
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abstract function delete_task($prop, $force = true);
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/**
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* Restores a single deleted task (if supported)
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*
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* @param array Hash array with task properties:
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* id: Task identifier
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* @return boolean True on success, False on error
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*/
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public function undelete_task($prop)
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{
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return false;
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}
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/**
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* Get attachment properties
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*
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* @param string $id Attachment identifier
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* @param array $task Hash array with event properties:
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* id: Task identifier
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* list: List identifier
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*
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* @return array Hash array with attachment properties:
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* id: Attachment identifier
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* name: Attachment name
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* mimetype: MIME content type of the attachment
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* size: Attachment size
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*/
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public function get_attachment($id, $task) { }
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/**
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* Get attachment body
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*
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* @param string $id Attachment identifier
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* @param array $task Hash array with event properties:
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* id: Task identifier
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* list: List identifier
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*
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* @return string Attachment body
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*/
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public function get_attachment_body($id, $task) { }
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/**
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* List availabale categories
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* The default implementation reads them from config/user prefs
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*/
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public function list_categories()
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{
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$rcmail = rcube::get_instance();
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return $rcmail->config->get('tasklist_categories', array());
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}
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/**
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* Build the edit/create form for lists.
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* This gives the drivers the opportunity to add more list properties
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*
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* @param string The action called this form
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* @param array Tasklist properties
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* @param array List with form fields to be rendered
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* @return string HTML content of the form
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*/
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public function tasklist_edit_form($action, $list, $formfields)
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{
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$html = '';
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foreach ($formfields as $field) {
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$html .= html::div('form-section',
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html::label($field['id'], $field['label']) .
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$field['value']);
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}
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return $html;
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}
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}
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