nextcloud/apps/files/js/fileactions.js

604 lines
18 KiB
JavaScript

/*
* Copyright (c) 2014
*
* This file is licensed under the Affero General Public License version 3
* or later.
*
* See the COPYING-README file.
*
*/
(function() {
/**
* Construct a new FileActions instance
* @constructs FileActions
* @memberof OCA.Files
*/
var FileActions = function() {
this.initialize();
};
FileActions.prototype = {
/** @lends FileActions.prototype */
actions: {},
defaults: {},
icons: {},
currentFile: null,
/**
* Dummy jquery element, for events
*/
$el: null,
/**
* List of handlers to be notified whenever a register() or
* setDefault() was called.
*
* @member {Function[]}
*/
_updateListeners: {},
/**
* @private
*/
initialize: function() {
this.clear();
// abusing jquery for events until we get a real event lib
this.$el = $('<div class="dummy-fileactions hidden"></div>');
$('body').append(this.$el);
},
/**
* Adds an event handler
*
* @param {String} eventName event name
* @param {Function} callback
*/
on: function(eventName, callback) {
this.$el.on(eventName, callback);
},
/**
* Removes an event handler
*
* @param {String} eventName event name
* @param Function callback
*/
off: function(eventName, callback) {
this.$el.off(eventName, callback);
},
/**
* Notifies the event handlers
*
* @param {String} eventName event name
* @param {Object} data data
*/
_notifyUpdateListeners: function(eventName, data) {
this.$el.trigger(new $.Event(eventName, data));
},
/**
* Merges the actions from the given fileActions into
* this instance.
*
* @param {OCA.Files.FileActions} fileActions instance of OCA.Files.FileActions
*/
merge: function(fileActions) {
var self = this;
// merge first level to avoid unintended overwriting
_.each(fileActions.actions, function(sourceMimeData, mime) {
var targetMimeData = self.actions[mime];
if (!targetMimeData) {
targetMimeData = {};
}
self.actions[mime] = _.extend(targetMimeData, sourceMimeData);
});
this.defaults = _.extend(this.defaults, fileActions.defaults);
this.icons = _.extend(this.icons, fileActions.icons);
},
/**
* @deprecated use #registerAction() instead
*/
register: function(mime, name, permissions, icon, action, displayName) {
return this.registerAction({
name: name,
mime: mime,
permissions: permissions,
icon: icon,
actionHandler: action,
displayName: displayName || name
});
},
/**
* Register action
*
* @param {OCA.Files.FileAction} action object
*/
registerAction: function (action) {
var mime = action.mime;
var name = action.name;
var actionSpec = {
action: action.actionHandler,
name: name,
displayName: action.displayName,
mime: mime,
icon: action.icon,
permissions: action.permissions
};
if (_.isUndefined(action.displayName)) {
actionSpec.displayName = t('files', name);
}
if (_.isFunction(action.render)) {
actionSpec.render = action.render;
} else {
actionSpec.render = _.bind(this._defaultRenderAction, this);
}
if (!this.actions[mime]) {
this.actions[mime] = {};
}
this.actions[mime][name] = actionSpec;
this.icons[name] = action.icon;
this._notifyUpdateListeners('registerAction', {action: action});
},
/**
* Clears all registered file actions.
*/
clear: function() {
this.actions = {};
this.defaults = {};
this.icons = {};
this.currentFile = null;
this._updateListeners = [];
},
/**
* Sets the default action for a given mime type.
*
* @param {String} mime mime type
* @param {String} name action name
*/
setDefault: function (mime, name) {
this.defaults[mime] = name;
this._notifyUpdateListeners('setDefault', {defaultAction: {mime: mime, name: name}});
},
get: function (mime, type, permissions) {
var actions = this.getActions(mime, type, permissions);
var filteredActions = {};
$.each(actions, function (name, action) {
filteredActions[name] = action.action;
});
return filteredActions;
},
getActions: function (mime, type, permissions) {
var actions = {};
if (this.actions.all) {
actions = $.extend(actions, this.actions.all);
}
if (type) {//type is 'dir' or 'file'
if (this.actions[type]) {
actions = $.extend(actions, this.actions[type]);
}
}
if (mime) {
var mimePart = mime.substr(0, mime.indexOf('/'));
if (this.actions[mimePart]) {
actions = $.extend(actions, this.actions[mimePart]);
}
if (this.actions[mime]) {
actions = $.extend(actions, this.actions[mime]);
}
}
var filteredActions = {};
$.each(actions, function (name, action) {
if (action.permissions & permissions) {
filteredActions[name] = action;
}
});
return filteredActions;
},
getDefault: function (mime, type, permissions) {
var mimePart;
if (mime) {
mimePart = mime.substr(0, mime.indexOf('/'));
}
var name = false;
if (mime && this.defaults[mime]) {
name = this.defaults[mime];
} else if (mime && this.defaults[mimePart]) {
name = this.defaults[mimePart];
} else if (type && this.defaults[type]) {
name = this.defaults[type];
} else {
name = this.defaults.all;
}
var actions = this.get(mime, type, permissions);
return actions[name];
},
/**
* Default function to render actions
*
* @param {OCA.Files.FileAction} actionSpec file action spec
* @param {boolean} isDefault true if the action is a default one,
* false otherwise
* @param {OCA.Files.FileActionContext} context action context
*/
_defaultRenderAction: function(actionSpec, isDefault, context) {
var name = actionSpec.name;
if (name === 'Download' || !isDefault) {
var $actionLink = this._makeActionLink(actionSpec, context);
context.$file.find('a.name>span.fileactions').append($actionLink);
return $actionLink;
}
},
/**
* Renders the action link element
*
* @param {OCA.Files.FileAction} actionSpec action object
* @param {OCA.Files.FileActionContext} context action context
*/
_makeActionLink: function(actionSpec, context) {
var img = actionSpec.icon;
if (img && img.call) {
img = img(context.$file.attr('data-file'));
}
var html = '<a href="#">';
if (img) {
html += '<img class="svg" alt="" src="' + img + '" />';
}
if (actionSpec.displayName) {
html += '<span> ' + actionSpec.displayName + '</span>';
}
html += '</a>';
return $(html);
},
/**
* Custom renderer for the "Rename" action.
* Displays the rename action as an icon behind the file name.
*
* @param {OCA.Files.FileAction} actionSpec file action to render
* @param {boolean} isDefault true if the action is a default action,
* false otherwise
* @param {OCAFiles.FileActionContext} context rendering context
*/
_renderRenameAction: function(actionSpec, isDefault, context) {
var $actionEl = this._makeActionLink(actionSpec, context);
var $container = context.$file.find('a.name span.nametext');
$actionEl.find('img').attr('alt', t('files', 'Rename'));
$container.find('.action-rename').remove();
$container.append($actionEl);
return $actionEl;
},
/**
* Custom renderer for the "Delete" action.
* Displays the "Delete" action as a trash icon at the end of
* the table row.
*
* @param {OCA.Files.FileAction} actionSpec file action to render
* @param {boolean} isDefault true if the action is a default action,
* false otherwise
* @param {OCAFiles.FileActionContext} context rendering context
*/
_renderDeleteAction: function(actionSpec, isDefault, context) {
var mountType = context.$file.attr('data-mounttype');
var deleteTitle = t('files', 'Delete');
if (mountType === 'external-root') {
deleteTitle = t('files', 'Disconnect storage');
} else if (mountType === 'shared-root') {
deleteTitle = t('files', 'Unshare');
}
var cssClasses = 'action delete icon-delete';
if((context.$file.data('permissions') & OC.PERMISSION_DELETE) === 0) {
// add css class no-permission to delete icon
cssClasses += ' no-permission';
deleteTitle = t('files', 'No permission to delete');
}
var $actionLink = $('<a href="#" original-title="' +
escapeHTML(deleteTitle) +
'" class="' +cssClasses + '">' +
'<span class="hidden-visually">' + escapeHTML(deleteTitle) + '</span>' +
'</a>'
);
var $container = context.$file.find('td:last');
$container.find('.delete').remove();
$container.append($actionLink);
return $actionLink;
},
/**
* Renders the action element by calling actionSpec.render() and
* registers the click event to process the action.
*
* @param {OCA.Files.FileAction} actionSpec file action to render
* @param {boolean} isDefault true if the action is a default action,
* false otherwise
* @param {OCAFiles.FileActionContext} context rendering context
*/
_renderAction: function(actionSpec, isDefault, context) {
var $actionEl = actionSpec.render(actionSpec, isDefault, context);
if (!$actionEl || !$actionEl.length) {
return;
}
$actionEl.addClass('action action-' + actionSpec.name.toLowerCase());
$actionEl.attr('data-action', actionSpec.name);
$actionEl.on(
'click', {
a: null
},
function(event) {
var $file = $(event.target).closest('tr');
var currentFile = $file.find('td.filename');
var fileName = $file.attr('data-file');
event.stopPropagation();
event.preventDefault();
context.fileActions.currentFile = currentFile;
// also set on global object for legacy apps
window.FileActions.currentFile = currentFile;
actionSpec.action(
fileName,
_.extend(context, {
dir: $file.attr('data-path') || context.fileList.getCurrentDirectory()
})
);
}
);
return $actionEl;
},
/**
* Display file actions for the given element
* @param parent "td" element of the file for which to display actions
* @param triggerEvent if true, triggers the fileActionsReady on the file
* list afterwards (false by default)
* @param fileList OCA.Files.FileList instance on which the action is
* done, defaults to OCA.Files.App.fileList
*/
display: function (parent, triggerEvent, fileList) {
if (!fileList) {
console.warn('FileActions.display() MUST be called with a OCA.Files.FileList instance');
return;
}
this.currentFile = parent;
var self = this;
var $tr = parent.closest('tr');
var actions = this.getActions(
this.getCurrentMimeType(),
this.getCurrentType(),
this.getCurrentPermissions()
);
var nameLinks;
if ($tr.data('renaming')) {
return;
}
// recreate fileactions container
nameLinks = parent.children('a.name');
nameLinks.find('.fileactions, .nametext .action').remove();
nameLinks.append('<span class="fileactions" />');
var defaultAction = this.getDefault(
this.getCurrentMimeType(),
this.getCurrentType(),
this.getCurrentPermissions()
);
$.each(actions, function (name, actionSpec) {
if (name !== 'Share') {
self._renderAction(
actionSpec,
actionSpec.action === defaultAction, {
$file: $tr,
fileActions: this,
fileList : fileList
}
);
}
});
// added here to make sure it's always the last action
var shareActionSpec = actions.Share;
if (shareActionSpec){
this._renderAction(
shareActionSpec,
shareActionSpec.action === defaultAction, {
$file: $tr,
fileActions: this,
fileList: fileList
}
);
}
if (triggerEvent){
fileList.$fileList.trigger(jQuery.Event("fileActionsReady", {fileList: fileList, $files: $tr}));
}
},
getCurrentFile: function () {
return this.currentFile.parent().attr('data-file');
},
getCurrentMimeType: function () {
return this.currentFile.parent().attr('data-mime');
},
getCurrentType: function () {
return this.currentFile.parent().attr('data-type');
},
getCurrentPermissions: function () {
return this.currentFile.parent().data('permissions');
},
/**
* Register the actions that are used by default for the files app.
*/
registerDefaultActions: function() {
this.registerAction({
name: 'Delete',
displayName: '',
mime: 'all',
// permission is READ because we show a hint instead if there is no permission
permissions: OC.PERMISSION_READ,
icon: function() {
return OC.imagePath('core', 'actions/delete');
},
render: _.bind(this._renderDeleteAction, this),
actionHandler: function(fileName, context) {
// if there is no permission to delete do nothing
if((context.$file.data('permissions') & OC.PERMISSION_DELETE) === 0) {
return;
}
context.fileList.do_delete(fileName, context.dir);
$('.tipsy').remove();
}
});
// t('files', 'Rename')
this.registerAction({
name: 'Rename',
displayName: '',
mime: 'all',
permissions: OC.PERMISSION_UPDATE,
icon: function() {
return OC.imagePath('core', 'actions/rename');
},
render: _.bind(this._renderRenameAction, this),
actionHandler: function (filename, context) {
context.fileList.rename(filename);
}
});
this.register('dir', 'Open', OC.PERMISSION_READ, '', function (filename, context) {
var dir = context.$file.attr('data-path') || context.fileList.getCurrentDirectory();
if (dir !== '/') {
dir = dir + '/';
}
context.fileList.changeDirectory(dir + filename);
});
this.setDefault('dir', 'Open');
this.register('all', 'Download', OC.PERMISSION_READ, function () {
return OC.imagePath('core', 'actions/download');
}, function (filename, context) {
var dir = context.dir || context.fileList.getCurrentDirectory();
var url = context.fileList.getDownloadUrl(filename, dir);
var downloadFileaction = $(context.$file).find('.fileactions .action-download');
// don't allow a second click on the download action
if(downloadFileaction.hasClass('disabled')) {
return;
}
downloadFileaction.addClass('disabled');
var icon = downloadFileaction.find('img');
var sourceImage = icon.attr('src');
icon.attr('src', sourceImage.replace('actions/download.svg', 'loading-small.gif'));
var randomString = Math.random().toString(36).substring(2);
var isCookieSet = function(name, value) {
var cookies = document.cookie.split(';');
for (var i=0; i < cookies.length; i++) {
var cookie = cookies[i].split('=');
if (cookie[0].trim() === name && cookie[1].trim() === value) {
return true;
}
}
return false;
};
var checkForDownloadCookie = function() {
if (!isCookieSet('ocDownloadStarted', randomString)){
setTimeout(checkForDownloadCookie, 500);
} else {
icon.attr('src', sourceImage);
downloadFileaction.removeClass('disabled');
}
};
if (url) {
OC.redirect(url + '&downloadStartSecret=' + randomString);
checkForDownloadCookie();
}
}, t('files', 'Download'));
}
};
OCA.Files.FileActions = FileActions;
/**
* File action attributes.
*
* @todo make this a real class in the future
* @typedef {Object} OCA.Files.FileAction
*
* @property {String} name identifier of the action
* @property {String} displayName display name of the action, defaults
* to the name given in name property
* @property {String} mime mime type
* @property {int} permissions permissions
* @property {(Function|String)} icon icon path to the icon or function
* that returns it
* @property {OCA.Files.FileActions~renderActionFunction} [render] optional rendering function
* @property {OCA.Files.FileActions~actionHandler} actionHandler action handler function
*/
/**
* File action context attributes.
*
* @typedef {Object} OCA.Files.FileActionContext
*
* @property {Object} $file jQuery file row element
* @property {OCA.Files.FileActions} fileActions file actions object
* @property {OCA.Files.FileList} fileList file list object
*/
/**
* Render function for actions.
* The function must render a link element somewhere in the DOM
* and return it. The function should NOT register the event handler
* as this will be done after the link was returned.
*
* @callback OCA.Files.FileActions~renderActionFunction
* @param {OCA.Files.FileAction} actionSpec action definition
* @param {Object} $row row container
* @param {boolean} isDefault true if the action is the default one,
* false otherwise
* @return {Object} jQuery link object
*/
/**
* Action handler function for file actions
*
* @callback OCA.Files.FileActions~actionHandler
* @param {String} fileName name of the clicked file
* @param context context
* @param {String} context.dir directory of the file
* @param context.$file jQuery element of the file
* @param {OCA.Files.FileList} context.fileList the FileList instance on which the action occurred
* @param {OCA.Files.FileActions} context.fileActions the FileActions instance on which the action occurred
*/
// global file actions to be used by all lists
OCA.Files.fileActions = new OCA.Files.FileActions();
OCA.Files.legacyFileActions = new OCA.Files.FileActions();
// for backward compatibility
//
// legacy apps are expecting a stateful global FileActions object to register
// their actions on. Since legacy apps are very likely to break with other
// FileList views than the main one ("All files"), actions registered
// through window.FileActions will be limited to the main file list.
// @deprecated use OCA.Files.FileActions instead
window.FileActions = OCA.Files.legacyFileActions;
window.FileActions.register = function (mime, name, permissions, icon, action, displayName) {
console.warn('FileActions.register() is deprecated, please use OCA.Files.fileActions.register() instead', arguments);
OCA.Files.FileActions.prototype.register.call(
window.FileActions, mime, name, permissions, icon, action, displayName
);
};
window.FileActions.display = function (parent, triggerEvent, fileList) {
fileList = fileList || OCA.Files.App.fileList;
console.warn('FileActions.display() is deprecated, please use OCA.Files.fileActions.register() which automatically redisplays actions', mime, name);
OCA.Files.FileActions.prototype.display.call(window.FileActions, parent, triggerEvent, fileList);
};
})();