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/**
* Copyright (c) 2015
*
* @author Jan-Christoph Borchardt <hey@jancborchardt.net>
* @author John Molakvoæ <skjnldsv@protonmail.com>
* @author Julius Härtl <jus@bitgrid.net>
* @author Michael Jobst <mjobst+github@tecratech.de>
* @author noveens <noveen.sachdeva@research.iiit.ac.in>
* @author Robin Appelman <robin@icewind.nl>
* @author Vincent Petry <vincent@nextcloud.com>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
import ItemTemplate from './templates/item.handlebars'
import Template from './templates/template.handlebars';
(function() {
if (!OCA.Files.DetailTabView) {
// Only register the versions tab within the files app
return
}
/**
* @memberof OCA.Versions
*/
const VersionsTabView = OCA.Files.DetailTabView.extend(/** @lends OCA.Versions.VersionsTabView.prototype */{
id: 'versionsTabView',
className: 'tab versionsTabView',
_template: null,
$versionsContainer: null,
events: {
'click .revertVersion': '_onClickRevertVersion',
},
initialize() {
OCA.Files.DetailTabView.prototype.initialize.apply(this, arguments)
this.collection = new OCA.Versions.VersionCollection()
this.collection.on('request', this._onRequest, this)
this.collection.on('sync', this._onEndRequest, this)
this.collection.on('update', this._onUpdate, this)
this.collection.on('error', this._onError, this)
this.collection.on('add', this._onAddModel, this)
},
getLabel() {
return t('files_versions', 'Versions')
},
getIcon() {
return 'icon-history'
},
nextPage() {
if (this._loading) {
return
}
if (this.collection.getFileInfo() && this.collection.getFileInfo().isDirectory()) {
return
}
this.collection.fetch()
},
_onClickRevertVersion(ev) {
const self = this
let $target = $(ev.target)
const fileInfoModel = this.collection.getFileInfo()
if (!$target.is('li')) {
$target = $target.closest('li')
}
ev.preventDefault()
const revision = $target.attr('data-revision')
const versionModel = this.collection.get(revision)
versionModel.revert({
success() {
// reset and re-fetch the updated collection
self.$versionsContainer.empty()
self.collection.setFileInfo(fileInfoModel)
self.collection.reset([], { silent: true })
self.collection.fetch()
self.$el.find('.versions').removeClass('hidden')
// update original model
fileInfoModel.trigger('busy', fileInfoModel, false)
fileInfoModel.set({
size: versionModel.get('size'),
mtime: versionModel.get('timestamp') * 1000,
// temp dummy, until we can do a PROPFIND
etag: versionModel.get('id') + versionModel.get('timestamp'),
})
},
error() {
fileInfoModel.trigger('busy', fileInfoModel, false)
self.$el.find('.versions').removeClass('hidden')
self._toggleLoading(false)
OC.Notification.show(t('files_version', 'Failed to revert {file} to revision {timestamp}.',
{
file: versionModel.getFullPath(),
timestamp: OC.Util.formatDate(versionModel.get('timestamp') * 1000),
}),
{
type: 'error',
}
)
},
})
// spinner
this._toggleLoading(true)
fileInfoModel.trigger('busy', fileInfoModel, true)
},
_toggleLoading(state) {
this._loading = state
this.$el.find('.loading').toggleClass('hidden', !state)
},
_onRequest() {
this._toggleLoading(true)
},
_onEndRequest() {
this._toggleLoading(false)
this.$el.find('.empty').toggleClass('hidden', !!this.collection.length)
},
_onAddModel(model) {
const $el = $(this.itemTemplate(this._formatItem(model)))
this.$versionsContainer.append($el)
$el.find('.has-tooltip').tooltip()
},
template(data) {
return Template(data)
},
itemTemplate(data) {
return ItemTemplate(data)
},
setFileInfo(fileInfo) {
if (fileInfo) {
this.render()
this.collection.setFileInfo(fileInfo)
this.collection.reset([], { silent: true })
this.nextPage()
} else {
this.render()
this.collection.reset()
}
},
_formatItem(version) {
const timestamp = version.get('timestamp') * 1000
const size = version.has('size') ? version.get('size') : 0
const preview = OC.MimeType.getIconUrl(version.get('mimetype'))
const img = new Image()
img.onload = function() {
$('li[data-revision=' + version.get('id') + '] .preview').attr('src', version.getPreviewUrl())
}
img.src = version.getPreviewUrl()
return _.extend({
versionId: version.get('id'),
formattedTimestamp: OC.Util.formatDate(timestamp),
relativeTimestamp: OC.Util.relativeModifiedDate(timestamp),
millisecondsTimestamp: timestamp,
humanReadableSize: OC.Util.humanFileSize(size, true),
altSize: n('files', '%n byte', '%n bytes', size),
hasDetails: version.has('size'),
downloadUrl: version.getDownloadUrl(),
downloadIconUrl: OC.imagePath('core', 'actions/download'),
downloadName: version.get('name'),
revertIconUrl: OC.imagePath('core', 'actions/history'),
previewUrl: preview,
revertLabel: t('files_versions', 'Restore'),
canRevert: (this.collection.getFileInfo().get('permissions') & OC.PERMISSION_UPDATE) !== 0,
}, version.attributes)
},
/**
* Renders this details view
*/
render() {
this.$el.html(this.template({
emptyResultLabel: t('files_versions', 'No other versions available'),
}))
this.$el.find('.has-tooltip').tooltip()
this.$versionsContainer = this.$el.find('ul.versions')
this.delegateEvents()
},
/**
* Returns true for files, false for folders.
*
* @param {FileInfo} fileInfo fileInfo
* @return {bool} true for files, false for folders
*/
canDisplay(fileInfo) {
if (!fileInfo) {
return false
}
return !fileInfo.isDirectory()
},
})
OCA.Versions = OCA.Versions || {}
OCA.Versions.VersionsTabView = VersionsTabView
})()
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