nextcloud/apps/files/js/files.js

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Files={
// file space size sync
_updateStorageStatistics: function() {
Files._updateStorageStatisticsTimeout = null;
var currentDir = FileList.getCurrentDirectory(),
state = Files.updateStorageStatistics;
if (state.dir){
if (state.dir === currentDir) {
return;
}
// cancel previous call, as it was for another dir
state.call.abort();
}
state.dir = currentDir;
state.call = $.getJSON(OC.filePath('files','ajax','getstoragestats.php') + '?dir=' + encodeURIComponent(currentDir),function(response) {
state.dir = null;
state.call = null;
Files.updateMaxUploadFilesize(response);
});
},
updateStorageStatistics: function(force) {
if (!OC.currentUser) {
return;
}
// debounce to prevent calling too often
if (Files._updateStorageStatisticsTimeout) {
clearTimeout(Files._updateStorageStatisticsTimeout);
}
if (force) {
Files._updateStorageStatistics();
}
else {
Files._updateStorageStatisticsTimeout = setTimeout(Files._updateStorageStatistics, 250);
}
},
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updateMaxUploadFilesize:function(response) {
if (response === undefined) {
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return;
}
if (response.data !== undefined && response.data.uploadMaxFilesize !== undefined) {
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$('#max_upload').val(response.data.uploadMaxFilesize);
$('#upload.button').attr('original-title', response.data.maxHumanFilesize);
$('#usedSpacePercent').val(response.data.usedSpacePercent);
Files.displayStorageWarnings();
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}
if (response[0] === undefined) {
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return;
}
if (response[0].uploadMaxFilesize !== undefined) {
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$('#max_upload').val(response[0].uploadMaxFilesize);
$('#upload.button').attr('original-title', response[0].maxHumanFilesize);
$('#usedSpacePercent').val(response[0].usedSpacePercent);
Files.displayStorageWarnings();
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}
},
/**
* Fix path name by removing double slash at the beginning, if any
*/
fixPath: function(fileName) {
if (fileName.substr(0, 2) == '//') {
return fileName.substr(1);
}
return fileName;
},
isFileNameValid:function (name) {
if (name === '.') {
throw t('files', '\'.\' is an invalid file name.');
} else if (name.length === 0) {
throw t('files', 'File name cannot be empty.');
}
// check for invalid characters
var invalid_characters = ['\\', '/', '<', '>', ':', '"', '|', '?', '*'];
for (var i = 0; i < invalid_characters.length; i++) {
if (name.indexOf(invalid_characters[i]) !== -1) {
throw t('files', "Invalid name, '\\', '/', '<', '>', ':', '\"', '|', '?' and '*' are not allowed.");
}
}
return true;
},
displayStorageWarnings: function() {
if (!OC.Notification.isHidden()) {
return;
}
var usedSpacePercent = $('#usedSpacePercent').val();
if (usedSpacePercent > 98) {
OC.Notification.show(t('files', 'Your storage is full, files can not be updated or synced anymore!'));
return;
}
if (usedSpacePercent > 90) {
OC.Notification.show(t('files', 'Your storage is almost full ({usedSpacePercent}%)', {usedSpacePercent: usedSpacePercent}));
}
},
displayEncryptionWarning: function() {
if (!OC.Notification.isHidden()) {
return;
}
var encryptedFiles = $('#encryptedFiles').val();
var initStatus = $('#encryptionInitStatus').val();
if (initStatus === '0') { // enc not initialized, but should be
OC.Notification.show(t('files_encryption', 'Encryption App is enabled but your keys are not initialized, please log-out and log-in again'));
return;
}
if (initStatus === '1') { // encryption tried to init but failed
OC.Notification.showHtml(t('files_encryption', 'Invalid private key for Encryption App. Please update your private key password in your personal settings to recover access to your encrypted files.'));
return;
}
if (encryptedFiles === '1') {
OC.Notification.show(t('files_encryption', 'Encryption was disabled but your files are still encrypted. Please go to your personal settings to decrypt your files.'));
return;
}
},
setupDragAndDrop: function() {
var $fileList = $('#fileList');
//drag/drop of files
$fileList.find('tr td.filename').each(function(i,e) {
if ($(e).parent().data('permissions') & OC.PERMISSION_DELETE) {
$(e).draggable(dragOptions);
}
});
$fileList.find('tr[data-type="dir"] td.filename').each(function(i,e) {
if ($(e).parent().data('permissions') & OC.PERMISSION_CREATE) {
$(e).droppable(folderDropOptions);
}
});
},
lastWidth: 0,
initBreadCrumbs: function () {
var $controls = $('#controls');
Files.lastWidth = 0;
Files.breadcrumbs = [];
// initialize with some extra space
Files.breadcrumbsWidth = 64;
if ( document.getElementById("navigation") ) {
Files.breadcrumbsWidth += $('#navigation').get(0).offsetWidth;
}
Files.hiddenBreadcrumbs = 0;
$.each($('.crumb'), function(index, breadcrumb) {
Files.breadcrumbs[index] = breadcrumb;
Files.breadcrumbsWidth += $(breadcrumb).get(0).offsetWidth;
});
$.each($('#controls .actions>div'), function(index, action) {
Files.breadcrumbsWidth += $(action).get(0).offsetWidth;
});
// event handlers for breadcrumb items
$controls.find('.crumb a').on('click', onClickBreadcrumb);
// setup drag and drop
$controls.find('.crumb:not(.last)').droppable(crumbDropOptions);
},
resizeBreadcrumbs: function (width, firstRun) {
if (width !== Files.lastWidth) {
if ((width < Files.lastWidth || firstRun) && width < Files.breadcrumbsWidth) {
if (Files.hiddenBreadcrumbs === 0) {
Files.breadcrumbsWidth -= $(Files.breadcrumbs[1]).get(0).offsetWidth;
$(Files.breadcrumbs[1]).find('a').hide();
$(Files.breadcrumbs[1]).append('<span>...</span>');
Files.breadcrumbsWidth += $(Files.breadcrumbs[1]).get(0).offsetWidth;
Files.hiddenBreadcrumbs = 2;
}
var i = Files.hiddenBreadcrumbs;
while (width < Files.breadcrumbsWidth && i > 1 && i < Files.breadcrumbs.length - 1) {
Files.breadcrumbsWidth -= $(Files.breadcrumbs[i]).get(0).offsetWidth;
$(Files.breadcrumbs[i]).hide();
Files.hiddenBreadcrumbs = i;
i++;
}
} else if (width > Files.lastWidth && Files.hiddenBreadcrumbs > 0) {
var i = Files.hiddenBreadcrumbs;
while (width > Files.breadcrumbsWidth && i > 0) {
if (Files.hiddenBreadcrumbs === 1) {
Files.breadcrumbsWidth -= $(Files.breadcrumbs[1]).get(0).offsetWidth;
$(Files.breadcrumbs[1]).find('span').remove();
$(Files.breadcrumbs[1]).find('a').show();
Files.breadcrumbsWidth += $(Files.breadcrumbs[1]).get(0).offsetWidth;
} else {
$(Files.breadcrumbs[i]).show();
Files.breadcrumbsWidth += $(Files.breadcrumbs[i]).get(0).offsetWidth;
if (Files.breadcrumbsWidth > width) {
Files.breadcrumbsWidth -= $(Files.breadcrumbs[i]).get(0).offsetWidth;
$(Files.breadcrumbs[i]).hide();
break;
}
}
i--;
Files.hiddenBreadcrumbs = i;
}
}
Files.lastWidth = width;
}
}
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};
$(document).ready(function() {
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// FIXME: workaround for trashbin app
if (window.trashBinApp) {
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return;
}
Files.displayEncryptionWarning();
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Files.bindKeyboardShortcuts(document, jQuery);
FileList.postProcessList();
Files.setupDragAndDrop();
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$('#file_action_panel').attr('activeAction', false);
// allow dropping on the "files" app icon
$('ul#apps li:first-child').data('dir','').droppable(crumbDropOptions);
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// Triggers invisible file input
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$('#upload a').on('click', function() {
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$(this).parent().children('#file_upload_start').trigger('click');
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return false;
});
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// Trigger cancelling of file upload
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$('#uploadprogresswrapper .stop').on('click', function() {
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OC.Upload.cancelUploads();
procesSelection();
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});
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// Show trash bin
$('#trash').on('click', function() {
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window.location=OC.filePath('files_trashbin', '', 'index.php');
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});
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var lastChecked;
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// Sets the file link behaviour :
$('#fileList').on('click','td.filename a',function(event) {
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if (event.ctrlKey || event.shiftKey) {
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event.preventDefault();
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if (event.shiftKey) {
var last = $(lastChecked).parent().parent().prevAll().length;
var first = $(this).parent().parent().prevAll().length;
var start = Math.min(first, last);
var end = Math.max(first, last);
var rows = $(this).parent().parent().parent().children('tr');
for (var i = start; i < end; i++) {
$(rows).each(function(index) {
if (index === i) {
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var checkbox = $(this).children().children('input:checkbox');
$(checkbox).attr('checked', 'checked');
$(checkbox).parent().parent().addClass('selected');
}
});
}
}
var checkbox = $(this).parent().children('input:checkbox');
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lastChecked = checkbox;
if ($(checkbox).attr('checked')) {
$(checkbox).removeAttr('checked');
$(checkbox).parent().parent().removeClass('selected');
$('#select_all').removeAttr('checked');
} else {
$(checkbox).attr('checked', 'checked');
$(checkbox).parent().parent().toggleClass('selected');
var selectedCount = $('td.filename input:checkbox:checked').length;
if (selectedCount === $('td.filename input:checkbox').length) {
$('#select_all').attr('checked', 'checked');
}
}
procesSelection();
} else {
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var filename=$(this).parent().parent().attr('data-file');
var tr=$('tr[data-file="'+filename+'"]');
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var renaming=tr.data('renaming');
if (!renaming && !FileList.isLoading(filename)) {
FileActions.currentFile = $(this).parent();
var mime=FileActions.getCurrentMimeType();
var type=FileActions.getCurrentType();
var permissions = FileActions.getCurrentPermissions();
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var action=FileActions.getDefault(mime,type, permissions);
if (action) {
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event.preventDefault();
action(filename);
}
}
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}
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});
// Sets the select_all checkbox behaviour :
$('#select_all').click(function() {
if ($(this).attr('checked')) {
// Check all
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$('td.filename input:checkbox').attr('checked', true);
$('td.filename input:checkbox').parent().parent().addClass('selected');
} else {
// Uncheck all
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$('td.filename input:checkbox').attr('checked', false);
$('td.filename input:checkbox').parent().parent().removeClass('selected');
}
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procesSelection();
});
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$('#fileList').on('change', 'td.filename input:checkbox',function(event) {
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if (event.shiftKey) {
var last = $(lastChecked).parent().parent().prevAll().length;
var first = $(this).parent().parent().prevAll().length;
var start = Math.min(first, last);
var end = Math.max(first, last);
var rows = $(this).parent().parent().parent().children('tr');
for (var i = start; i < end; i++) {
$(rows).each(function(index) {
if (index === i) {
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var checkbox = $(this).children().children('input:checkbox');
$(checkbox).attr('checked', 'checked');
$(checkbox).parent().parent().addClass('selected');
}
});
}
}
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var selectedCount=$('td.filename input:checkbox:checked').length;
$(this).parent().parent().toggleClass('selected');
if (!$(this).attr('checked')) {
$('#select_all').attr('checked',false);
} else {
if (selectedCount===$('td.filename input:checkbox').length) {
$('#select_all').attr('checked',true);
}
}
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procesSelection();
});
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$('.download').click('click',function(event) {
var files=getSelectedFilesTrash('name');
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var fileslist = JSON.stringify(files);
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var dir=$('#dir').val()||'/';
OC.Notification.show(t('files','Your download is being prepared. This might take some time if the files are big.'));
// use special download URL if provided, e.g. for public shared files
var downloadURL = document.getElementById("downloadURL");
if ( downloadURL ) {
window.location = downloadURL.value+"&download&files=" + encodeURIComponent(fileslist);
} else {
window.location = OC.filePath('files', 'ajax', 'download.php') + '?'+ $.param({ dir: dir, files: fileslist });
}
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return false;
});
$('.delete-selected').click(function(event) {
var files=getSelectedFilesTrash('name');
event.preventDefault();
FileList.do_delete(files);
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return false;
});
// drag&drop support using jquery.fileupload
// TODO use OC.dialogs
$(document).bind('drop dragover', function (e) {
e.preventDefault(); // prevent browser from doing anything, if file isn't dropped in dropZone
});
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//do a background scan if needed
scanFiles();
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Files.initBreadCrumbs();
$(window).resize(function() {
var width = $(this).width();
Files.resizeBreadcrumbs(width, false);
});
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var width = $(this).width();
Files.resizeBreadcrumbs(width, true);
// display storage warnings
setTimeout ( "Files.displayStorageWarnings()", 100 );
OC.Notification.setDefault(Files.displayStorageWarnings);
// only possible at the moment if user is logged in
if (OC.currentUser) {
// start on load - we ask the server every 5 minutes
var updateStorageStatisticsInterval = 5*60*1000;
var updateStorageStatisticsIntervalId = setInterval(Files.updateStorageStatistics, updateStorageStatisticsInterval);
// Use jquery-visibility to de-/re-activate file stats sync
if ($.support.pageVisibility) {
$(document).on({
'show.visibility': function() {
if (!updateStorageStatisticsIntervalId) {
updateStorageStatisticsIntervalId = setInterval(Files.updateStorageStatistics, updateStorageStatisticsInterval);
}
},
'hide.visibility': function() {
clearInterval(updateStorageStatisticsIntervalId);
updateStorageStatisticsIntervalId = 0;
}
});
}
}
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//scroll to and highlight preselected file
if (getURLParameter('scrollto')) {
FileList.scrollTo(getURLParameter('scrollto'));
}
});
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function scanFiles(force, dir, users) {
if (!OC.currentUser) {
return;
}
if (!dir) {
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dir = '';
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}
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force = !!force; //cast to bool
scanFiles.scanning = true;
var scannerEventSource;
if (users) {
var usersString;
if (users === 'all') {
usersString = users;
} else {
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usersString = JSON.stringify(users);
}
scannerEventSource = new OC.EventSource(OC.filePath('files','ajax','scan.php'),{force: force,dir: dir, users: usersString});
} else {
scannerEventSource = new OC.EventSource(OC.filePath('files','ajax','scan.php'),{force: force,dir: dir});
}
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scanFiles.cancel = scannerEventSource.close.bind(scannerEventSource);
scannerEventSource.listen('count',function(count) {
console.log(count + ' files scanned');
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});
scannerEventSource.listen('folder',function(path) {
console.log('now scanning ' + path);
});
scannerEventSource.listen('done',function(count) {
scanFiles.scanning=false;
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console.log('done after ' + count + ' files');
Files.updateStorageStatistics();
});
scannerEventSource.listen('user',function(user) {
console.log('scanning files for ' + user);
});
}
scanFiles.scanning=false;
function boolOperationFinished(data, callback) {
result = jQuery.parseJSON(data.responseText);
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Files.updateMaxUploadFilesize(result);
if (result.status === 'success') {
callback.call();
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} else {
alert(result.data.message);
}
}
var createDragShadow = function(event) {
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//select dragged file
var isDragSelected = $(event.target).parents('tr').find('td input:first').prop('checked');
if (!isDragSelected) {
//select dragged file
$(event.target).parents('tr').find('td input:first').prop('checked',true);
}
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var selectedFiles = getSelectedFilesTrash();
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if (!isDragSelected && selectedFiles.length === 1) {
//revert the selection
$(event.target).parents('tr').find('td input:first').prop('checked',false);
}
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//also update class when we dragged more than one file
if (selectedFiles.length > 1) {
$(event.target).parents('tr').addClass('selected');
}
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// build dragshadow
var dragshadow = $('<table class="dragshadow"></table>');
var tbody = $('<tbody></tbody>');
dragshadow.append(tbody);
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var dir=$('#dir').val();
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$(selectedFiles).each(function(i,elem) {
var newtr = $('<tr/>').attr('data-dir', dir).attr('data-filename', elem.name);
newtr.append($('<td/>').addClass('filename').text(elem.name));
newtr.append($('<td/>').addClass('size').text(humanFileSize(elem.size)));
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tbody.append(newtr);
if (elem.type === 'dir') {
newtr.find('td.filename').attr('style','background-image:url('+OC.imagePath('core', 'filetypes/folder.png')+')');
} else {
var path = getPathForPreview(elem.name);
Files.lazyLoadPreview(path, elem.mime, function(previewpath) {
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newtr.find('td.filename').attr('style','background-image:url('+previewpath+')');
}, null, null, elem.etag);
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}
});
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return dragshadow;
};
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//options for file drag/drop
var dragOptions={
revert: 'invalid', revertDuration: 300,
opacity: 0.7, zIndex: 100, appendTo: 'body', cursorAt: { left: 24, top: 18 },
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helper: createDragShadow, cursor: 'move',
stop: function(event, ui) {
$('#fileList tr td.filename').addClass('ui-draggable');
}
};
// sane browsers support using the distance option
if ( $('html.ie').length === 0) {
dragOptions['distance'] = 20;
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}
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var folderDropOptions={
drop: function( event, ui ) {
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//don't allow moving a file into a selected folder
if ($(event.target).parents('tr').find('td input:first').prop('checked') === true) {
return false;
}
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var target = $(this).closest('tr').data('file');
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var files = ui.helper.find('tr');
$(files).each(function(i,row) {
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var dir = $(row).data('dir');
var file = $(row).data('filename');
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$.post(OC.filePath('files', 'ajax', 'move.php'), { dir: dir, file: file, target: dir+'/'+target }, function(result) {
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if (result) {
if (result.status === 'success') {
//recalculate folder size
var oldSize = $('#fileList tr[data-file="'+target+'"]').data('size');
var newSize = oldSize + $('#fileList tr[data-file="'+file+'"]').data('size');
$('#fileList tr[data-file="'+target+'"]').data('size', newSize);
$('#fileList tr[data-file="'+target+'"]').find('td.filesize').text(humanFileSize(newSize));
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FileList.remove(file);
procesSelection();
$('#notification').hide();
} else {
$('#notification').hide();
$('#notification').text(result.data.message);
$('#notification').fadeIn();
}
} else {
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OC.dialogs.alert(t('files', 'Error moving file'), t('files', 'Error'));
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}
});
});
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},
tolerance: 'pointer'
};
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var crumbDropOptions={
drop: function( event, ui ) {
var target=$(this).data('dir');
var dir = $('#dir').val();
while(dir.substr(0,1) === '/') {//remove extra leading /'s
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dir=dir.substr(1);
}
dir = '/' + dir;
if (dir.substr(-1,1) !== '/') {
dir = dir + '/';
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}
if (target === dir || target+'/' === dir) {
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return;
}
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var files = ui.helper.find('tr');
$(files).each(function(i,row) {
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var dir = $(row).data('dir');
var file = $(row).data('filename');
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$.post(OC.filePath('files', 'ajax', 'move.php'), { dir: dir, file: file, target: target }, function(result) {
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if (result) {
if (result.status === 'success') {
FileList.remove(file);
procesSelection();
$('#notification').hide();
} else {
$('#notification').hide();
$('#notification').text(result.data.message);
$('#notification').fadeIn();
}
} else {
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OC.dialogs.alert(t('files', 'Error moving file'), t('files', 'Error'));
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}
});
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});
},
tolerance: 'pointer'
};
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function procesSelection() {
var selected = getSelectedFilesTrash();
var selectedFiles = selected.filter(function(el) {
return el.type==='file';
});
var selectedFolders = selected.filter(function(el) {
return el.type==='dir';
});
if (selectedFiles.length === 0 && selectedFolders.length === 0) {
$('#headerName>span.name').text(t('files','Name'));
$('#headerSize').text(t('files','Size'));
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$('#modified').text(t('files','Modified'));
$('table').removeClass('multiselect');
$('.selectedActions').hide();
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}
else {
$('.selectedActions').show();
var totalSize = 0;
for(var i=0; i<selectedFiles.length; i++) {
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totalSize+=selectedFiles[i].size;
};
for(var i=0; i<selectedFolders.length; i++) {
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totalSize+=selectedFolders[i].size;
};
$('#headerSize').text(humanFileSize(totalSize));
var selection = '';
if (selectedFolders.length > 0) {
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selection += n('files', '%n folder', '%n folders', selectedFolders.length);
if (selectedFiles.length > 0) {
selection += ' & ';
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}
}
if (selectedFiles.length>0) {
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selection += n('files', '%n file', '%n files', selectedFiles.length);
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}
$('#headerName span.name').text(selection);
$('#modified').text('');
$('table').addClass('multiselect');
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}
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}
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/**
* @brief get a list of selected files
* @param {string} property (option) the property of the file requested
* @return {array}
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*
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* possible values for property: name, mime, size and type
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* if property is set, an array with that property for each file is returnd
* if it's ommited an array of objects with all properties is returned
*/
function getSelectedFilesTrash(property) {
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var elements=$('td.filename input:checkbox:checked').parent().parent();
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var files=[];
elements.each(function(i,element) {
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var file={
name:$(element).attr('data-file'),
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mime:$(element).data('mime'),
type:$(element).data('type'),
size:$(element).data('size'),
etag:$(element).data('etag')
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};
if (property) {
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files.push(file[property]);
} else {
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files.push(file);
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}
});
return files;
}
Files.getMimeIcon = function(mime, ready) {
if (Files.getMimeIcon.cache[mime]) {
ready(Files.getMimeIcon.cache[mime]);
} else {
$.get( OC.filePath('files','ajax','mimeicon.php'), {mime: mime}, function(path) {
Files.getMimeIcon.cache[mime]=path;
ready(Files.getMimeIcon.cache[mime]);
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});
}
}
Files.getMimeIcon.cache={};
function getPathForPreview(name) {
var path = $('#dir').val() + '/' + name;
return path;
}
Files.lazyLoadPreview = function(path, mime, ready, width, height, etag) {
// get mime icon url
Files.getMimeIcon(mime, function(iconURL) {
var urlSpec = {};
var previewURL;
ready(iconURL); // set mimeicon URL
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// now try getting a preview thumbnail URL
if ( ! width ) {
width = $('#filestable').data('preview-x');
}
if ( ! height ) {
height = $('#filestable').data('preview-y');
}
// note: the order of arguments must match the one
// from the server's template so that the browser
// knows it's the same file for caching
urlSpec.x = width;
urlSpec.y = height;
urlSpec.file = Files.fixPath(path);
if (etag){
// use etag as cache buster
urlSpec.c = etag;
}
else {
console.warn('Files.lazyLoadPreview(): missing etag argument');
}
if ( $('#publicUploadButtonMock').length ) {
urlSpec.t = $('#dirToken').val();
previewURL = OC.Router.generate('core_ajax_public_preview', urlSpec);
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} else {
previewURL = OC.Router.generate('core_ajax_preview', urlSpec);
}
previewURL = previewURL.replace('(', '%28');
previewURL = previewURL.replace(')', '%29');
// preload image to prevent delay
// this will make the browser cache the image
var img = new Image();
img.onload = function(){
//set preview thumbnail URL
ready(previewURL);
}
img.src = previewURL;
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});
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}
function getUniqueName(name) {
if ($('tr[data-file="'+name+'"]').exists()) {
var parts=name.split('.');
var extension = "";
if (parts.length > 1) {
extension=parts.pop();
}
var base=parts.join('.');
numMatch=base.match(/\((\d+)\)/);
var num=2;
if (numMatch && numMatch.length>0) {
num=parseInt(numMatch[numMatch.length-1])+1;
base=base.split('(');
base.pop();
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base=$.trim(base.join('('));
}
name=base+' ('+num+')';
if (extension) {
name = name+'.'+extension;
}
return getUniqueName(name);
}
return name;
}
function checkTrashStatus() {
$.post(OC.filePath('files_trashbin', 'ajax', 'isEmpty.php'), function(result) {
if (result.data.isEmpty === false) {
$("input[type=button][id=trash]").removeAttr("disabled");
}
});
}
function onClickBreadcrumb(e) {
var $el = $(e.target).closest('.crumb'),
$targetDir = $el.data('dir');
isPublic = !!$('#isPublic').val();
if ($targetDir !== undefined && !isPublic) {
e.preventDefault();
FileList.changeDirectory(decodeURIComponent($targetDir));
}
}