PHP action_menu::set_constraint方法代码示例

 /**
  * Format a column of data for display.
  *
  * @param stdClass $row
  * @return string
  */
 public function col_userid(stdClass $row)
 {
     global $USER;
     $edit = '';
     $actions = array();
     $urlparams = array('id' => $this->assignment->get_course_module()->id, 'rownum' => $this->rownum, 'action' => 'grade');
     $url = new moodle_url('/mod/assign/view.php', $urlparams);
     $noimage = null;
     if (!$row->grade) {
         $description = get_string('grade');
     } else {
         $description = get_string('updategrade', 'assign');
     }
     $actions['grade'] = new action_menu_link_secondary($url, $noimage, $description);
     // Everything we need is in the row.
     $submission = $row;
     $flags = $row;
     if ($this->assignment->get_instance()->teamsubmission) {
         // Use the cache for this.
         $submission = false;
         $group = false;
         $this->get_group_and_submission($row->id, $group, $submission, -1);
     }
     $submissionsopen = $this->assignment->submissions_open($row->id, true, $submission, $flags, $this->gradinginfo);
     $caneditsubmission = $this->assignment->can_edit_submission($row->id, $USER->id);
     // Hide for offline assignments.
     if ($this->assignment->is_any_submission_plugin_enabled()) {
         if (!$row->status || $row->status == ASSIGN_SUBMISSION_STATUS_DRAFT || !$this->assignment->get_instance()->submissiondrafts) {
             if (!$row->locked) {
                 $urlparams = array('id' => $this->assignment->get_course_module()->id, 'userid' => $row->id, 'action' => 'lock', 'sesskey' => sesskey(), 'page' => $this->currpage);
                 $url = new moodle_url('/mod/assign/view.php', $urlparams);
                 $description = get_string('preventsubmissionsshort', 'assign');
                 $actions['lock'] = new action_menu_link_secondary($url, $noimage, $description);
             } else {
                 $urlparams = array('id' => $this->assignment->get_course_module()->id, 'userid' => $row->id, 'action' => 'unlock', 'sesskey' => sesskey(), 'page' => $this->currpage);
                 $url = new moodle_url('/mod/assign/view.php', $urlparams);
                 $description = get_string('allowsubmissionsshort', 'assign');
                 $actions['unlock'] = new action_menu_link_secondary($url, $noimage, $description);
             }
         }
         if ($submissionsopen && $USER->id != $row->id && $caneditsubmission) {
             $urlparams = array('id' => $this->assignment->get_course_module()->id, 'userid' => $row->id, 'action' => 'editsubmission', 'sesskey' => sesskey(), 'page' => $this->currpage);
             $url = new moodle_url('/mod/assign/view.php', $urlparams);
             $description = get_string('editsubmission', 'assign');
             $actions['editsubmission'] = new action_menu_link_secondary($url, $noimage, $description);
         }
     }
     if (($this->assignment->get_instance()->duedate || $this->assignment->get_instance()->cutoffdate) && $this->hasgrantextension) {
         $urlparams = array('id' => $this->assignment->get_course_module()->id, 'userid' => $row->id, 'action' => 'grantextension', 'sesskey' => sesskey(), 'page' => $this->currpage);
         $url = new moodle_url('/mod/assign/view.php', $urlparams);
         $description = get_string('grantextension', 'assign');
         $actions['grantextension'] = new action_menu_link_secondary($url, $noimage, $description);
     }
     if ($row->status == ASSIGN_SUBMISSION_STATUS_SUBMITTED && $this->assignment->get_instance()->submissiondrafts) {
         $urlparams = array('id' => $this->assignment->get_course_module()->id, 'userid' => $row->id, 'action' => 'reverttodraft', 'sesskey' => sesskey(), 'page' => $this->currpage);
         $url = new moodle_url('/mod/assign/view.php', $urlparams);
         $description = get_string('reverttodraftshort', 'assign');
         $actions['reverttodraft'] = new action_menu_link_secondary($url, $noimage, $description);
     }
     if ($row->status == ASSIGN_SUBMISSION_STATUS_DRAFT && $this->assignment->get_instance()->submissiondrafts && $caneditsubmission && $submissionsopen && $row->id != $USER->id) {
         $urlparams = array('id' => $this->assignment->get_course_module()->id, 'userid' => $row->id, 'action' => 'submitotherforgrading', 'sesskey' => sesskey(), 'page' => $this->currpage);
         $url = new moodle_url('/mod/assign/view.php', $urlparams);
         $description = get_string('submitforgrading', 'assign');
         $actions['submitforgrading'] = new action_menu_link_secondary($url, $noimage, $description);
     }
     $ismanual = $this->assignment->get_instance()->attemptreopenmethod == ASSIGN_ATTEMPT_REOPEN_METHOD_MANUAL;
     $hassubmission = !empty($row->status);
     $notreopened = $hassubmission && $row->status != ASSIGN_SUBMISSION_STATUS_REOPENED;
     $isunlimited = $this->assignment->get_instance()->maxattempts == ASSIGN_UNLIMITED_ATTEMPTS;
     $hasattempts = $isunlimited || $row->attemptnumber < $this->assignment->get_instance()->maxattempts - 1;
     if ($ismanual && $hassubmission && $notreopened && $hasattempts) {
         $urlparams = array('id' => $this->assignment->get_course_module()->id, 'userid' => $row->id, 'action' => 'addattempt', 'sesskey' => sesskey(), 'page' => $this->currpage);
         $url = new moodle_url('/mod/assign/view.php', $urlparams);
         $description = get_string('addattempt', 'assign');
         $actions['addattempt'] = new action_menu_link_secondary($url, $noimage, $description);
     }
     $menu = new action_menu();
     $menu->set_owner_selector('.gradingtable-actionmenu');
     $menu->set_alignment(action_menu::TL, action_menu::BL);
     $menu->set_constraint('.gradingtable > .no-overflow');
     $menu->set_menu_trigger(get_string('edit'));
     foreach ($actions as $action) {
         $menu->add($action);
     }
     // Prioritise the menu ahead of all other actions.
     $menu->prioritise = true;
     $edit .= $this->output->render($menu);
     return $edit;
 }

 /**
  * Output the row of editing icons for a block, as defined by the controls array.
  *
  * @param array $controls an array like {@link block_contents::$controls}.
  * @param string $blockid The ID given to the block.
  * @return string HTML fragment.
  */
 public function block_controls($actions, $blockid = null) {
     global $CFG;
     if (empty($actions)) {
         return '';
     }
     $menu = new action_menu($actions);
     if ($blockid !== null) {
         $menu->set_owner_selector('#'.$blockid);
     }
     $menu->set_constraint('.block-region');
     $menu->attributes['class'] .= ' block-control-actions commands';
     if (isset($CFG->blockeditingmenu) && !$CFG->blockeditingmenu) {
         $menu->do_not_enhance();
     }
     return $this->render($menu);
 }

 /**
  * Renders HTML for displaying the sequence of course module editing buttons
  *
  * @see course_get_cm_edit_actions()
  *
  * @param action_link[] $actions Array of action_link objects
  * @param cm_info $mod The module we are displaying actions for.
  * @param array $displayoptions additional display options:
  *     ownerselector => A JS/CSS selector that can be used to find an cm node.
  *         If specified the owning node will be given the class 'action-menu-shown' when the action
  *         menu is being displayed.
  *     constraintselector => A JS/CSS selector that can be used to find the parent node for which to constrain
  *         the action menu to when it is being displayed.
  *     donotenhance => If set to true the action menu that gets displayed won't be enhanced by JS.
  * @return string
  */
 public function course_section_cm_edit_actions($actions, cm_info $mod = null, $displayoptions = array())
 {
     global $CFG;
     if (empty($actions)) {
         return '';
     }
     if (isset($displayoptions['ownerselector'])) {
         $ownerselector = $displayoptions['ownerselector'];
     } else {
         if ($mod) {
             $ownerselector = '#module-' . $mod->id;
         } else {
             debugging('You should upgrade your call to ' . __FUNCTION__ . ' and provide $mod', DEBUG_DEVELOPER);
             $ownerselector = 'li.activity';
         }
     }
     if (isset($displayoptions['constraintselector'])) {
         $constraint = $displayoptions['constraintselector'];
     } else {
         $constraint = '.course-content';
     }
     $menu = new action_menu();
     $menu->set_owner_selector($ownerselector);
     $menu->set_constraint($constraint);
     $menu->set_alignment(action_menu::TR, action_menu::BR);
     $menu->set_menu_trigger(get_string('edit'));
     if (isset($CFG->modeditingmenu) && !$CFG->modeditingmenu || !empty($displayoptions['donotenhance'])) {
         $menu->do_not_enhance();
         // Swap the left/right icons.
         // Normally we have have right, then left but this does not
         // make sense when modactionmenu is disabled.
         $moveright = null;
         $_actions = array();
         foreach ($actions as $key => $value) {
             if ($key === 'moveright') {
                 // Save moveright for later.
                 $moveright = $value;
             } else {
                 if ($moveright) {
                     // This assumes that the order was moveright, moveleft.
                     // If we have a moveright, then we should place it immediately after the current value.
                     $_actions[$key] = $value;
                     $_actions['moveright'] = $moveright;
                     // Clear the value to prevent it being used multiple times.
                     $moveright = null;
                 } else {
                     $_actions[$key] = $value;
                 }
             }
         }
         $actions = $_actions;
         unset($_actions);
     }
     foreach ($actions as $action) {
         if ($action instanceof action_menu_link) {
             $action->add_class('cm-edit-action');
         }
         $menu->add($action);
     }
     $menu->attributes['class'] .= ' section-cm-edit-actions commands';
     // Prioritise the menu ahead of all other actions.
     $menu->prioritise = true;
     return $this->render($menu);
 }

 /**
  * Renders HTML for displaying the sequence of course module editing buttons
  *
  * @see course_get_cm_edit_actions()
  *
  * @param action_link[] $actions Array of action_link objects
  * @param cm_info $mod The module we are displaying actions for.
  * @param array $displayoptions additional display options:
  *     ownerselector => A JS/CSS selector that can be used to find an cm node.
  *         If specified the owning node will be given the class 'action-menu-shown' when the action
  *         menu is being displayed.
  *     constraintselector => A JS/CSS selector that can be used to find the parent node for which to constrain
  *         the action menu to when it is being displayed.
  *     donotenhance => If set to true the action menu that gets displayed won't be enhanced by JS.
  * @return string
  */
 public function course_section_cm_edit_actions($actions, cm_info $mod = null, $displayoptions = array())
 {
     global $CFG;
     if (empty($actions)) {
         return '';
     }
     if (isset($displayoptions['ownerselector'])) {
         $ownerselector = $displayoptions['ownerselector'];
     } else {
         if ($mod) {
             $ownerselector = '#module-' . $mod->id;
         } else {
             debugging('You should upgrade your call to ' . __FUNCTION__ . ' and provide $mod', DEBUG_DEVELOPER);
             $ownerselector = 'li.activity';
         }
     }
     if (isset($displayoptions['constraintselector'])) {
         $constraint = $displayoptions['constraintselector'];
     } else {
         $constraint = '.course-content';
     }
     $menu = new action_menu();
     $menu->set_owner_selector($ownerselector);
     $menu->set_constraint($constraint);
     $menu->set_alignment(action_menu::TR, action_menu::BR);
     $menu->set_menu_trigger(get_string('edit'));
     foreach ($actions as $action) {
         if ($action instanceof action_menu_link) {
             $action->add_class('cm-edit-action');
         }
         $menu->add($action);
     }
     $menu->attributes['class'] .= ' section-cm-edit-actions commands';
     // Prioritise the menu ahead of all other actions.
     $menu->prioritise = true;
     return $this->render($menu);
 }

 /**
  * Returns the add menu that is output once per page.
  * @param structure $structure object containing the structure of the quiz.
  * @param int $page the page number that this menu will add to.
  * @param \moodle_url $pageurl the canonical URL of this page.
  * @param \question_edit_contexts $contexts the relevant question bank contexts.
  * @param array $pagevars the variables from {@link \question_edit_setup()}.
  * @return string HTML to output.
  */
 public function add_menu_actions(structure $structure, $page, \moodle_url $pageurl, \question_edit_contexts $contexts, array $pagevars)
 {
     $actions = $this->edit_menu_actions($structure, $page, $pageurl, $pagevars);
     if (empty($actions)) {
         return '';
     }
     $menu = new \action_menu();
     $menu->set_alignment(\action_menu::TR, \action_menu::BR);
     $menu->set_constraint('.mod-quiz-edit-content');
     $trigger = html_writer::tag('span', get_string('add', 'quiz'), array('class' => 'add-menu'));
     $menu->set_menu_trigger($trigger);
     // The menu appears within an absolutely positioned element causing width problems.
     // Make sure no-wrap is set so that we don't get a squashed menu.
     $menu->set_nowrap_on_items(true);
     // Disable the link if quiz has attempts.
     if (!$structure->can_be_edited()) {
         return $this->render($menu);
     }
     foreach ($actions as $action) {
         if ($action instanceof \action_menu_link) {
             $action->add_class('add-menu');
         }
         $menu->add($action);
     }
     $menu->attributes['class'] .= ' page-add-actions commands';
     // Prioritise the menu ahead of all other actions.
     $menu->prioritise = true;
     return $this->render($menu);
 }

 /**
  * Adds editing actions to the question name in the edit mode
  * @param stdClass $item
  * @param HTML_QuickForm_element $element
  */
 protected function enhance_name_for_edit($item, $element)
 {
     global $OUTPUT;
     $menu = new action_menu();
     $menu->set_owner_selector('#' . $this->guess_element_id($item, $element));
     $menu->set_constraint('.feedback_form');
     $menu->set_alignment(action_menu::TR, action_menu::BR);
     $menu->set_menu_trigger(get_string('edit'));
     $menu->prioritise = true;
     $itemobj = feedback_get_item_class($item->typ);
     $actions = $itemobj->edit_actions($item, $this->get_feedback(), $this->get_cm());
     foreach ($actions as $action) {
         $menu->add($action);
     }
     $editmenu = $OUTPUT->render($menu);
     $name = $element->getLabel();
     $name = html_writer::span('', 'itemdd', array('id' => 'feedback_item_box_' . $item->id)) . html_writer::span($name, 'itemname') . html_writer::span($editmenu, 'itemactions');
     $element->setLabel(html_writer::span($name, 'itemtitle'));
 }