Merge commit '228d3697bcd0218605be2e28131574cc85293a2e' as 'mod/tasks'

1 files changed, 304 insertions, 0 deletions

diff --git a/mod/tasks/lib/tasks.php b/mod/tasks/lib/tasks.php
new file mode 100644
index 000000000..190935102
--- /dev/null
+++ b/mod/tasks/lib/tasks.php
@@ -0,0 +1,304 @@
+<?php
+
+/**
+ * Prepare the add/edit form variables
+ *
+ * @param ElggObject $tasklist
+ * @return array
+ */
+function tasklist_prepare_form_vars($tasklist = null, $list_guid = 0) {
+
+	// input names => defaults
+	$values = array(
+		'title' => '',
+		'description' => '',
+		'enddate' => '',
+		'access_id' => ACCESS_DEFAULT,
+		'write_access_id' => ACCESS_DEFAULT,
+		'tags' => '',
+		'container_guid' => elgg_get_page_owner_guid(),
+		'guid' => null,
+		'entity' => $tasklist,
+		'list_guid' => $list_guid,
+	);
+
+	if ($tasklist) {
+		foreach (array_keys($values) as $field) {
+			if (isset($tasklist->$field)) {
+				$values[$field] = $tasklist->$field;
+			}
+		}
+	}
+
+	if (elgg_is_sticky_form('tasklist')) {
+		$sticky_values = elgg_get_sticky_values('tasklist');
+		foreach ($sticky_values as $key => $value) {
+			$values[$key] = $value;
+		}
+	}
+
+	elgg_clear_sticky_form('tasklist');
+
+	return $values;
+}
+
+/**
+ * Prepare the add/edit form variables
+ *
+ * @param ElggObject $task
+ * @return array
+ */
+function task_prepare_form_vars($task = null, $list_guid = 0) {
+
+	// input names => defaults
+	$values = array(
+		'title' => get_input('title', ''),
+		'description' => '',
+		'priority' => '',
+		'access_id' => ACCESS_DEFAULT,
+		'write_access_id' => ACCESS_DEFAULT,
+		'tags' => '',
+		'container_guid' => elgg_get_page_owner_guid(),
+		'guid' => null,
+		'entity' => $task,
+		'list_guid' => $list_guid,
+		'referer_guid' => get_input('referer_guid', ''),
+	);
+
+	if ($task) {
+		foreach (array_keys($values) as $field) {
+			if (isset($task->$field)) {
+				$values[$field] = $task->$field;
+			}
+		}
+	}
+
+	if (elgg_is_sticky_form('task')) {
+		$sticky_values = elgg_get_sticky_values('task');
+		foreach ($sticky_values as $key => $value) {
+			$values[$key] = $value;
+		}
+	}
+
+	elgg_clear_sticky_form('task');
+	
+	if ($referer = get_input('referer')) {
+		$link = elgg_view('output/url', array(
+			'href' => $referer,
+			'text' => elgg_echo('tasks:this:moreinfo:here'),
+		));
+		$values['description'] .= "<p>" . elgg_echo('tasks:this:moreinfo', array($link)) . "</p>";
+	}
+
+	return $values;
+}
+
+
+function tasks_get_entities($options) {
+	$default = array(
+		'type' => 'object',
+		'subtype' => 'task',
+	);
+	if (!isset($options['metadata_name_value_pairs']) || !is_array($options['metadata_name_value_pairs'])) {
+		$options['metadata_name_value_pairs'] = array();
+	}
+	if (isset($options['list_guid'])) {
+		$options['metadata_name_value_pairs'][] = array(
+			'name' => 'list_guid',
+			'value' => $options['list_guid'],
+		);
+		unset($options['parent_guid']);
+	}
+	if (isset($options['status'])) {
+		$options['metadata_name_value_pairs'][] = array(
+			'name' => 'status',
+			'value' => $options['status'],
+		);
+		unset($options['status']);
+	}
+	
+	$options = array_merge($default, $options);
+	return elgg_get_entities_from_metadata($options);
+}
+
+function tasks_get_actions_from_state($state){
+	switch($state) {
+		
+		case 'new':
+		case 'unassigned':
+		case 'reopened':
+			$actions = array(
+				'assign',
+				'assign_and_activate',
+				'mark_as_done',
+				'close',
+			);
+			break;
+			
+		case 'assigned':
+			$actions = array(
+				'activate',
+				'leave',
+				'mark_as_done',
+				'close',
+			);
+			break;
+			
+		case 'active':
+			$actions = array(
+				'deactivate',
+				'leave',
+				'mark_as_done',
+				'close',
+			);
+			break;
+			
+		case 'done':
+		case 'closed':
+			$actions = array(
+				'reopen',
+			);
+			break;
+			
+	}
+	
+	return $actions;
+}
+
+function tasks_get_possible_actions($task, $user_guid = 0) {
+	
+	if(!$user_guid) {
+		$user_guid = elgg_get_logged_in_user_guid();
+	}
+	
+	$is_doing = check_entity_relationship($user_guid, 'is_doing', $task->guid);
+	$subscribes = check_entity_relationship($user_guid, 'subscribes', $task->guid);
+
+	if ($task->status == 'active' && $is_doing) {
+		$status = 'active';
+	} elseif ($task->status == 'assigned' && $subscribes) {
+		$status = 'assigned';
+	} elseif ($task->status == 'active' || $task->status == 'assigned') {
+		$status = 'unassigned';
+	} else {
+		$status = $task->status;
+	}
+	
+	return tasks_get_actions_from_state($status);
+}
+
+function tasks_prepare_radio_options($task) {
+	
+	$actions = tasks_get_possible_actions($task);
+	
+	$actions_labels = array(
+		elgg_echo("tasks:state:action:noaction", array($task->status)) => '',
+	);
+	
+	foreach($actions as $action) {
+		$actions_labels[elgg_echo("tasks:state:action:$action")] = $action;
+	}
+	
+	return $actions_labels;
+}
+
+function tasks_register_actions_menu($task) {
+	
+	foreach (tasks_get_possible_actions($task) as $action) {
+		$action_url = "action/tasks/comments/add?" . http_build_query(array(
+			'entity_guid' => $task->guid,
+			'state_action' => $action,
+		), '', '&');
+		$action_url = elgg_add_action_tokens_to_url($action_url);
+		$item = new ElggMenuItem($action, elgg_echo("tasks:state:action:$action"), $action_url);
+		elgg_register_menu_item('tasks_hover', $item);
+	}
+}
+
+function tasks_reset_actions_menu() {
+	global $CONFIG;
+	if (isset($CONFIG->menus['tasks_hover'])) {
+		unset($CONFIG->menus['tasks_hover']);
+	}
+}
+				
+function tasks_get_state_from_action($action){
+	$actions_states = array(
+		'assign' => 'assigned',
+		'leave' => 'unassigned',
+		'activate' => 'active',
+		'deactivate' => 'assigned',
+		'assign_and_activate' => 'active',
+		'mark_as_done' => 'done',
+		'close' => 'closed',
+		'reopen' => 'reopened',
+	);
+	return $actions_states[$action];
+}
+
+function tasks_get_user_active_task ($user_guid) {
+	return array_shift(elgg_get_entities_from_metadata(array(
+		'metadata_name' => 'status',
+		'metadata_value' => 'active',
+		'owner_guid' => $user_guid,
+	)));
+}
+
+/**
+ * Register the navigation menu
+ * 
+ * @param ElggEntity $container Container entity for the tasks
+ */
+function tasks_register_navigation_tree($container) {
+	if (!$container) {
+		return;
+	}
+
+	$tasklists_top = elgg_get_entities_from_metadata(array(
+		'type' => 'object',
+		'subtype' => 'task',
+		'container_guid' => $container->getGUID(),
+		'metadata_name' => 'list_guid',
+		'metadata_value' => 0,
+		'limit' => 0,
+	));
+
+	if (!$tasklists_top) {
+		return;
+	}
+
+	foreach ($tasklists_top as $tasklist) {
+		elgg_register_menu_item('tasks_nav', array(
+			'name' => $tasklist->getGUID(),
+			'text' => $tasklist->title,
+			'href' => $tasklist->getURL(),
+		));
+
+		$stack = array();
+		array_push($stack, $tasklist);
+		while (count($stack) > 0) {
+			$list = array_pop($stack);
+			$tasklists = elgg_get_entities_from_metadata(array(
+				'type' => 'object',
+				'subtype' => 'task',
+				'metadata_name' => 'list_guid',
+				'metadata_value' => $list->guid,
+				'container_guid' => $container->getGUID(),
+				'limit' => 0,
+			));
+
+			if ($tasklists) {
+				foreach ($tasklists as $tasklist) {
+					elgg_register_menu_item('tasks_nav', array(
+						'name' => $tasklist->getGUID(),
+						'text' => $tasklist->title,
+						'href' => $tasklist->getURL(),
+						'parent_name' => $list->getGUID(),
+					));
+					array_push($stack, $tasklist);
+				}
+			}
+		}
+	}
+}
+