// number of files per page
pageSize: 20,
- // zero based page number
- pageNumber: 0,
totalPages: 0,
/**
},
_onScroll: function(e) {
- if (this.pageNumber + 1 >= this.totalPages) {
- return;
- }
if ($(window).scrollTop() + $(window).height() > $(document).height() - 500) {
this._nextPage(true);
}
* @param animate true to animate the new elements
*/
_nextPage: function(animate) {
- var tr, index, count = this.pageSize,
+ var index = this.$fileList.children().length,
+ count = this.pageSize,
+ tr,
newTrs = [],
selected = this.isAllSelected();
- if (this.pageNumber + 1 >= this.totalPages) {
+ if (index >= this.files.length) {
return;
}
this.pageNumber++;
- index = this.pageNumber * this.pageSize;
while (count > 0 && index < this.files.length) {
tr = this._renderRow(this.files[index], {updateSummary: false});
tr.find('input:checkbox').prop('checked', true);
}
if (animate) {
- tr.addClass('appear transparent'); // TODO
+ tr.addClass('appear transparent');
newTrs.push(tr);
}
index++;
* This operation will rerender the list and update the summary.
* @param filesArray array of file data (map)
*/
- setFiles:function(filesArray) {
+ setFiles: function(filesArray) {
// detach to make adding multiple rows faster
this.files = filesArray;
this.pageNumber = -1;
/**
* Adds an entry to the files array and also into the DOM
+ * in a sorted manner.
*
* @param fileData map of file attributes
* @param options map of attributes:
- * - "insert" true to insert in a sorted manner, false to append (default)
* - "updateSummary" true to update the summary after adding (default), false otherwise
* @return new tr element (not appended to the table)
*/
add: function(fileData, options) {
var index = -1;
- var $tr = this._renderRow(fileData, options);
+ var $tr;
+ var $rows;
+ var $insertionPoint;
options = options || {};
- this.isEmpty = false;
+ // there are three situations to cover:
+ // 1) insertion point is visible on the current page
+ // 2) insertion point is on a not visible page (visible after scrolling)
+ // 3) insertion point is at the end of the list
- if (options.insert) {
- index = this._findInsertionIndex(fileData);
- if (index < this.files.length) {
- this.files.splice(index, 0, fileData);
- this.$fileList.children().eq(index).before($tr);
- }
- else {
- this.files.push(fileData);
+ $rows = this.$fileList.children();
+ index = this._findInsertionIndex(fileData);
+ if (index > this.files.length) {
+ index = this.files.length;
+ }
+ else {
+ $insertionPoint = $rows.eq(index);
+ }
+
+ // is the insertion point visible ?
+ if ($insertionPoint.length) {
+ // only render if it will really be inserted
+ $tr = this._renderRow(fileData, options);
+ $insertionPoint.before($tr);
+ }
+ else {
+ // if insertion point is after the last visible
+ // entry, append
+ if (index === $rows.length) {
+ $tr = this._renderRow(fileData, options);
this.$fileList.append($tr);
}
}
- else {
- this.files.push(fileData);
- this.$fileList.append($tr);
+
+ this.isEmpty = false;
+ this.files.splice(index, 0, fileData);
+
+ if ($tr && options.animate) {
+ $tr.addClass('appear transparent');
+ window.setTimeout(function() {
+ $tr.removeClass('transparent');
+ });
}
// defaults to true if not defined
// reinsert row
FileList.files.splice(tr.index(), 1);
tr.remove();
- FileList.add(fileInfo, {insert: true});
+ FileList.add(fileInfo);
}
});
}
FileList.remove(file.name);
// create new file context
- data.context = FileList.add(file, {insert: true});
+ data.context = FileList.add(file, {animate: true});
}
}
});
var $tr;
var fileData = {
type: 'file',
- name: 'P comes after O.txt'
+ name: 'ZZZ.txt'
};
FileList.setFiles(testFiles);
$tr = FileList.add(fileData);
it('inserts files in a sorted manner when insert option is enabled', function() {
var $tr;
for (var i = 0; i < testFiles.length; i++) {
- FileList.add(testFiles[i], {insert: true});
+ FileList.add(testFiles[i]);
}
expect(FileList.files[0].name).toEqual('somedir');
expect(FileList.files[1].name).toEqual('One.txt');
name: 'P comes after O.txt'
};
for (var i = 0; i < testFiles.length; i++) {
- FileList.add(testFiles[i], {insert: true});
+ FileList.add(testFiles[i]);
}
- $tr = FileList.add(fileData, {insert: true});
+ $tr = FileList.add(fileData);
// after "One.txt"
expect($tr.index()).toEqual(2);
expect(FileList.files[2]).toEqual(fileData);
name: 'somedir2 comes after somedir'
};
for (var i = 0; i < testFiles.length; i++) {
- FileList.add(testFiles[i], {insert: true});
+ FileList.add(testFiles[i]);
}
- $tr = FileList.add(fileData, {insert: true});
+ $tr = FileList.add(fileData);
expect($tr.index()).toEqual(1);
expect(FileList.files[1]).toEqual(fileData);
});
name: 'zzz.txt'
};
for (var i = 0; i < testFiles.length; i++) {
- FileList.add(testFiles[i], {insert: true});
+ FileList.add(testFiles[i]);
}
- $tr = FileList.add(fileData, {insert: true});
+ $tr = FileList.add(fileData);
expect($tr.index()).toEqual(4);
expect(FileList.files[4]).toEqual(fileData);
});
var $input, request;
for (var i = 0; i < testFiles.length; i++) {
- FileList.add(testFiles[i], {insert: true});
+ FileList.add(testFiles[i]);
}
// trigger rename prompt
});
describe('List rendering', function() {
it('renders a list of files using add()', function() {
- var addSpy = sinon.spy(FileList, 'add');
expect(FileList.files.length).toEqual(0);
expect(FileList.files).toEqual([]);
FileList.setFiles(testFiles);
expect($('#fileList tr').length).toEqual(4);
expect(FileList.files.length).toEqual(4);
expect(FileList.files).toEqual(testFiles);
- addSpy.restore();
});
it('updates summary using the file sizes', function() {
var $summary;
expect($summary.find('.info').text()).toEqual('0 folders and 1 file');
});
});
+ describe('Rendering next page on scroll', function() {
+
+ function generateFiles(startIndex, endIndex) {
+ var files = [];
+ var name;
+ for (var i = startIndex; i <= endIndex; i++) {
+ name = 'File with index ';
+ if (i < 10) {
+ // do not rely on localeCompare here
+ // and make the sorting predictable
+ // cross-browser
+ name += '0';
+ }
+ name += i + '.txt';
+ files.push({
+ id: i,
+ type: 'file',
+ name: name,
+ mimetype: 'text/plain',
+ size: i * 2,
+ etag: 'abc'
+ });
+ }
+ return files;
+ }
+
+ beforeEach(function() {
+ FileList.setFiles(generateFiles(0, 64));
+ });
+ it('renders only the first page', function() {
+ expect(FileList.files.length).toEqual(65);
+ expect($('#fileList tr').length).toEqual(20);
+ });
+ it('renders the second page when scrolling down (trigger nextPage)', function() {
+ // TODO: can't simulate scrolling here, so calling nextPage directly
+ FileList._nextPage(true);
+ expect($('#fileList tr').length).toEqual(40);
+ FileList._nextPage(true);
+ expect($('#fileList tr').length).toEqual(60);
+ FileList._nextPage(true);
+ expect($('#fileList tr').length).toEqual(65);
+ FileList._nextPage(true);
+ // stays at 65
+ expect($('#fileList tr').length).toEqual(65);
+ });
+ it('inserts into the DOM if insertion point is in the visible page ', function() {
+ FileList.add({
+ id: 2000,
+ type: 'file',
+ name: 'File with index 15b.txt'
+ });
+ expect($('#fileList tr').length).toEqual(21);
+ expect(FileList.findFileEl('File with index 15b.txt').index()).toEqual(16);
+ });
+ it('does not inserts into the DOM if insertion point is not the visible page ', function() {
+ FileList.add({
+ id: 2000,
+ type: 'file',
+ name: 'File with index 28b.txt'
+ });
+ expect($('#fileList tr').length).toEqual(20);
+ expect(FileList.findFileEl('File with index 28b.txt').length).toEqual(0);
+ FileList._nextPage(true);
+ expect($('#fileList tr').length).toEqual(40);
+ expect(FileList.findFileEl('File with index 28b.txt').index()).toEqual(29);
+ });
+ it('appends into the DOM when inserting a file after the last visible element', function() {
+ FileList.add({
+ id: 2000,
+ type: 'file',
+ name: 'File with index 19b.txt'
+ });
+ expect($('#fileList tr').length).toEqual(21);
+ FileList._nextPage(true);
+ expect($('#fileList tr').length).toEqual(41);
+ });
+ it('appends into the DOM when inserting a file on the last page when visible', function() {
+ FileList._nextPage(true);
+ expect($('#fileList tr').length).toEqual(40);
+ FileList._nextPage(true);
+ expect($('#fileList tr').length).toEqual(60);
+ FileList._nextPage(true);
+ expect($('#fileList tr').length).toEqual(65);
+ FileList._nextPage(true);
+ FileList.add({
+ id: 2000,
+ type: 'file',
+ name: 'File with index 88.txt'
+ });
+ expect($('#fileList tr').length).toEqual(66);
+ FileList._nextPage(true);
+ expect($('#fileList tr').length).toEqual(66);
+ });
+ it('shows additional page when appending a page of files and scrolling down', function() {
+ var newFiles = generateFiles(66, 81);
+ for (var i = 0; i < newFiles.length; i++) {
+ FileList.add(newFiles[i]);
+ }
+ expect($('#fileList tr').length).toEqual(20);
+ FileList._nextPage(true);
+ expect($('#fileList tr').length).toEqual(40);
+ FileList._nextPage(true);
+ expect($('#fileList tr').length).toEqual(60);
+ FileList._nextPage(true);
+ expect($('#fileList tr').length).toEqual(80);
+ FileList._nextPage(true);
+ expect($('#fileList tr').length).toEqual(81);
+ FileList._nextPage(true);
+ expect($('#fileList tr').length).toEqual(81);
+ });
+ });
describe('file previews', function() {
var previewLoadStub;
projects / nextcloud-server.git / commitdiff