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* Copyright (c) 2006, 2007, 2008 Sakai Foundation
*
* Licensed under the Educational Community License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.opensource.org/licenses/ECL-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
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package org.sakaiproject.content.api;
/**
* ResourceToolAction defines the way in which actions are described in a resource-type registration.
* Each action should have its own ResourceToolAction defined in the registration.
* If the action requires user interaction by a helper, the resource-type registration should include
* an action definition that implements the InteractionAction interface.
* If an action requires action by another webapp but does not involve user interaction (i.e. it does
* not delegate the user interaction to a helper), the resource-type registration should include an
* action definition that implements the ServiceLevelAction interface.
* Most actions for new resources types are likely to be similar to familiar actions on resources (e.g.
* "create", "revise", "delete", etc) and permissions for these actions are handled by the Content Hosting
* Service. If an action requires custom permissions, the definition of that action implements the
* CustomToolAction interface to provide a way for the Resources tool to determine whether to show
* the action as an option in a particular context to a particular user.
* A ResourceToolAction deinition should implement at least one of those subinterfaces, and it may
* implement all three. If a ResourceToolAction implements both InteractionAction and ServiceLevelAction,
* the activity of the helper defined by InteractionAction will occur before the service-level activity
* defined by ServiceLevelAction.
*
* @see org.sakaiproject.content.api.ResourceType
*/
public interface ResourceToolAction
{
/**
* ActionType defines identifiers for types of actions related to resources.
*/
public enum ActionType
{
/**
* Create upload -- Handled by Resources tool. Can create multiple uploads at once.
* Metadata and content supplied in same form. Requires content.new permission
* in parent folder.
*/
NEW_UPLOAD,
/**
* Create folder -- Handled by Resources tool. Can create multiple folders at once.
* No content; requires metadata only. Requires content.new permission in parent
* folder.
*/
NEW_FOLDER,
/**
* Create URLs -- Handled by Resources tool. Can create multiple URLs at once.
* No content; requires metadata only. Requires content.new permission in parent
* folder.
*/
NEW_URLS,
/**
* Create other -- Handled by helper and Resources tool. Can create one item at a time.
* Content (and possibly some properties) handled by helper. Metadata supplied in
* form that appears after helper finishes. Requires content.new permission in
* parent folder.
*/
CREATE,
/**
* Create other -- Handled entirely by helper. Can create one or more items.
* Content and basic properties handled by helper. Resources metadata form
* is bypassed appears after helper finishes. Requires content.new permission in
* parent folder.
*/
CREATE_BY_HELPER,
/**
* Delete -- Handled by Resources tool. Requires content.delete permission
*/
DELETE,
/**
* Revise content -- Handled by helper. Requires content.revise.any permission (or
* content.revise.own if user is creator).
*/
REVISE_CONTENT,
/**
* Replace content -- Handled by Resources tool. Requires content.revise.any permission
* (or content.revise.own if user is creator).
*/
REPLACE_CONTENT,
/**
* Restore the content of the folder.
*/
RESTORE,
/**
* Revise metadata -- Handled by Resources tool. Requires content.revise.any permission
* (or content.revise.own if user is creator).
*/
REVISE_METADATA,
/**
* Copy -- Handled by Resources tool. Requires content.read permission for item being
* copied and content.new permission in folder to which it's copied.
*/
COPY,
/**
* Move -- Handled by Resources tool. Requires content.delete (or content.update ?) permission for
* item being moved and content.new permission in folder to which it's moved.
*/
MOVE,
/**
* Duplicate -- Handled by Resources tool. Requires content.read permission for item being
* duplicated and content.new permission in parent folder.
*/
DUPLICATE,
/**
* View content -- Handled by AccessServlet (via Resources tool) or helper. Requires
* content.read permission.
*/
VIEW_CONTENT,
/**
* View metadata -- Handled by Resources tool. Requires content.read permission.
*/
VIEW_METADATA,
/**
* Paste Moved Items -- Handled by Resources tool. Requires content.new permission. The action
* is only available after a MOVE action and before some other action that
* cancels the PASTE_MOVED.
*/
PASTE_MOVED,
/**
* Paste Copied Items -- Handled by Resources tool. Requires content.new permission. The action
* is only available after a COPY action and before some other action that
* cancels the PASTE_COPIED.
*/
PASTE_COPIED,
/**
* Defines a custom sort order for the contents of a folder -- Handled by Resources tool. Requires
* content.revise permission for the folder.
*/
REVISE_ORDER,
/**
* Revise folder permissions -- Handled by Resources tool. Requires site.upd permission.
*/
REVISE_PERMISSIONS,
/**
* Expand a folder to show its members -- Handled by Resources tool. Available to anybody with
* content.read permission for the contents of the folder.
*/
EXPAND_FOLDER,
/**
* Collapse a folder to hide its members -- Handled by Resources tool. No permission checks.
*/
COLLAPSE_FOLDER,
/**
* Custom action -- Handled by helper. May be interactive or service-level. Custom actions
* must implement the CustomToolAction interface to provide Resources tool with a way to
* determine permissions, as well as either InteractionAction or ServiceLevelAction.
*/
CUSTOM_TOOL_ACTION,
/**
* Compress a selected folder to a zip archive with the same name.
*/
COMPRESS_ZIP_FOLDER,
/**
* Expands a zip file into serveral folders and archives
*/
EXPAND_ZIP_ARCHIVE,
/**
* Create a page in the site linking to the content.
*/
MAKE_SITE_PAGE,
/**
* Print a file
*/
PRINT_FILE
}
public static final String CREATE = "create";
public static final String DELETE = "delete";
public static final String COPY = "copy";
public static final String REVISE_CONTENT = "revise";
public static final String REPLACE_CONTENT = "replace";
public static final String REVISE_METADATA = "properties";
public static final String ACCESS_CONTENT = "access";
public static final String ACCESS_PROPERTIES = "info";
public static final String DUPLICATE = "duplicate";
public static final String MOVE = "move";
public static final String PASTE_MOVED = "paste_moved";
public static final String PASTE_COPIED = "paste_copied";
public static final String PERMISSIONS = "revise_permissions";
public static final String REORDER = "revise_order";
public static final String EXPAND = "expand";
public static final String COLLAPSE = "collapse";
public static final String RESTORE = "restore";
public static final String COMPRESS_ZIP_FOLDER = "compress_zip_folder";
public static final String EXPAND_ZIP_ARCHIVE = "expand_zip_archive";
public static final String MAKE_SITE_PAGE = "make_site_page";
public static final String SHOW = "show";
public static final String HIDE = "hide";
public static final String COPY_OTHER = "copy-other";
public static final String PRINT_FILE = "print file";
public static final String ACTION_DELIMITER = ":";
public static final String ZIPDOWNLOAD = "zipDownload";
/**
* Prefix for all keys to Tool Session attributes used in messaging between ResourcesAction and
* helpers related to registered resource tool actions. Removing all attributes whose keys begin
* with this prefix cleans up the tool session after a helper completes its work.
* ResourcesAction will cleanup tool session.
*/
public static final String PREFIX = "resourceToolAction.";
public static final String ACTION_PIPE = PREFIX + "action_pipe";
public static final String STARTED = PREFIX + "started";
public static final String STATE_MODE = PREFIX + "state_mode";
public static final String DONE = PREFIX + "done";
/**
* Access the id of this action (which must be unique within this type and must be limited to alphnumeric characters).
* @return
*/
public String getId();
/**
* Access the id of the ResourceType this action relates to.
* @return
*/
public String getTypeId();
/**
* Access the enumerated constant for this action.
* @return
*/
public ActionType getActionType();
/**
* Access a very short localized string that will be used as a label for this action in the user interface.
* If string is longer than about 20 characters, it may be truncated. Shorter strings (less than 10 characters)
* are preferred. If this method returns null, the Resources tool will assign a label based on the ActionType.
* @return
*/
public String getLabel();
/**
* Should the resources tool make this action available to the current user with respect to the specified entity?
* @param entity
* @return
*/
public boolean available(ContentEntity entity);
}
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