it('should copy when clicked', () => {
let button = ToolbarItems.createCopyButton(panel);
let count = panel.content.widgets.length;
Widget.attach(button, document.body);
button.node.click();
expect(panel.content.widgets.length).to.be(count);
expect(clipboard.hasData(JUPYTER_CELL_MIME)).to.be(true);
button.dispose();
});
it('should cut when clicked', () => {
let button = ToolbarItems.createCutButton(panel);
let count = panel.content.childCount();
Widget.attach(button, document.body);
button.node.click();
expect(panel.content.childCount()).to.be(count - 1);
expect(clipboard.hasData(JUPYTER_CELL_MIME)).to.be(true);
button.dispose();
});
/**
* Copy or cut the selected cell data to a clipboard.
*
* @param widget - The target notebook widget.
*
* @param clipboard - The clipboard object.
*
* @param cut - Whether to copy or cut.
*/
function copyOrCut(widget: Notebook, clipboard: IClipboard, cut: boolean): void {
if (!widget.model || !widget.activeCell) {
return;
}
widget.mode = 'command';
clipboard.clear();
let data: nbformat.IBaseCell[] = [];
each(widget.widgets, child => {
if (widget.isSelected(child)) {
data.push(child.model.toJSON());
}
});
clipboard.setData(JUPYTER_CELL_MIME, data);
if (cut) {
deleteCells(widget);
} else {
widget.deselectAll();
}
}
function paste(widget: Notebook, clipboard: IClipboard): void {
if (!widget.model || !widget.activeCell) {
return;
}
if (!clipboard.hasData(JUPYTER_CELL_MIME)) {
return;
}
let values = clipboard.getData(JUPYTER_CELL_MIME) as nbformat.IBaseCell[];
let model = widget.model;
let newCells: ICellModel[] = [];
widget.mode = 'command';
each(values, cell => {
switch (cell.cell_type) {
case 'code':
newCells.push(model.contentFactory.createCodeCell({ cell }));
break;
case 'markdown':
newCells.push(model.contentFactory.createMarkdownCell({ cell }));
break;
default:
newCells.push(model.contentFactory.createRawCell({ cell }));
break;
}
});
let index = widget.activeCellIndex;
let cells = widget.model.cells;
cells.beginCompoundOperation();
each(newCells, cell => {
cells.insert(++index, cell);
});
cells.endCompoundOperation();
widget.activeCellIndex += newCells.length;
widget.deselectAll();
}
afterEach(() => {
widget.dispose();
clipboard.clear();
});
it('should be a no-op if there is no model', () => {
widget.model = null;
NotebookActions.cut(widget, clipboard);
expect(clipboard.hasData(JUPYTER_CELL_MIME)).to.be(false);
});