nextcloud/apps/files/js/filesummary.js

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/**
* ownCloud
*
* @author Vincent Petry
* @copyright 2014 Vincent Petry <pvince81@owncloud.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library 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 library. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* global OC, n, t */
(function() {
/**
* The FileSummary class encapsulates the file summary values and
* the logic to render it in the given container
* @param $tr table row element
* $param summary optional initial summary value
*/
var FileSummary = function($tr) {
this.$el = $tr;
this.clear();
this.render();
};
FileSummary.prototype = {
summary: {
totalFiles: 0,
totalDirs: 0,
totalSize: 0
},
/**
* Adds file
* @param file file to add
* @param update whether to update the display
*/
add: function(file, update) {
if (file.type === 'dir' || file.mime === 'httpd/unix-directory') {
this.summary.totalDirs++;
}
else {
this.summary.totalFiles++;
}
this.summary.totalSize += parseInt(file.size, 10) || 0;
if (!!update) {
this.update();
}
},
/**
* Removes file
* @param file file to remove
* @param update whether to update the display
*/
remove: function(file, update) {
if (file.type === 'dir' || file.mime === 'httpd/unix-directory') {
this.summary.totalDirs--;
}
else {
this.summary.totalFiles--;
}
this.summary.totalSize -= parseInt(file.size, 10) || 0;
if (!!update) {
this.update();
}
},
/**
* Returns the total of files and directories
*/
getTotal: function() {
return this.summary.totalDirs + this.summary.totalFiles;
},
/**
* Recalculates the summary based on the given files array
* @param files array of files
*/
calculate: function(files) {
var file;
var summary = {
totalDirs: 0,
totalFiles: 0,
totalSize: 0
};
for (var i = 0; i < files.length; i++) {
file = files[i];
if (file.type === 'dir' || file.mime === 'httpd/unix-directory') {
summary.totalDirs++;
}
else {
summary.totalFiles++;
}
summary.totalSize += parseInt(file.size, 10) || 0;
}
this.setSummary(summary);
},
/**
* Clears the summary
*/
clear: function() {
this.calculate([]);
},
/**
* Sets the current summary values
* @param summary map
*/
setSummary: function(summary) {
this.summary = summary;
this.update();
},
/**
* Renders the file summary element
*/
update: function() {
if (!this.$el) {
return;
}
if (!this.summary.totalFiles && !this.summary.totalDirs) {
this.$el.addClass('hidden');
return;
}
// There's a summary and data -> Update the summary
this.$el.removeClass('hidden');
var $dirInfo = this.$el.find('.dirinfo');
var $fileInfo = this.$el.find('.fileinfo');
var $connector = this.$el.find('.connector');
// Substitute old content with new translations
$dirInfo.html(n('files', '%n folder', '%n folders', this.summary.totalDirs));
$fileInfo.html(n('files', '%n file', '%n files', this.summary.totalFiles));
this.$el.find('.filesize').html(OC.Util.humanFileSize(this.summary.totalSize));
// Show only what's necessary (may be hidden)
if (this.summary.totalDirs === 0) {
$dirInfo.addClass('hidden');
$connector.addClass('hidden');
} else {
$dirInfo.removeClass('hidden');
}
if (this.summary.totalFiles === 0) {
$fileInfo.addClass('hidden');
$connector.addClass('hidden');
} else {
$fileInfo.removeClass('hidden');
}
if (this.summary.totalDirs > 0 && this.summary.totalFiles > 0) {
$connector.removeClass('hidden');
}
},
render: function() {
if (!this.$el) {
return;
}
// TODO: ideally this should be separate to a template or something
var summary = this.summary;
var directoryInfo = n('files', '%n folder', '%n folders', summary.totalDirs);
var fileInfo = n('files', '%n file', '%n files', summary.totalFiles);
var infoVars = {
dirs: '<span class="dirinfo">'+directoryInfo+'</span><span class="connector">',
files: '</span><span class="fileinfo">'+fileInfo+'</span>'
};
// don't show the filesize column, if filesize is NaN (e.g. in trashbin)
var fileSize = '';
if (!isNaN(summary.totalSize)) {
fileSize = '<td class="filesize">' + OC.Util.humanFileSize(summary.totalSize) + '</td>';
}
var info = t('files', '{dirs} and {files}', infoVars);
var $summary = $('<td><span class="info">'+info+'</span></td>'+fileSize+'<td class="date"></td>');
if (!this.summary.totalFiles && !this.summary.totalDirs) {
this.$el.addClass('hidden');
}
this.$el.append($summary);
}
};
OCA.Files.FileSummary = FileSummary;
})();