upstream/ipython Files · IPython/html/tests/notebook/dualmode_clipboard.js

This feature was discussed in , but it doesn't look like anything was ever incorporated into the IPython Notebook....

This feature was discussed in , but it doesn't look like anything was ever incorporated into the IPython Notebook. Here's a brief overview of the changes: - Display of messages from other clients can be toggled on and off from within a notebook, either using the ``<M-m>e`` keyboard shortcut in the web UI, or through the option in the "Kernel" menu. - notebook.js controls whether messages are displayed through a callback that is invoked from kernel.js when no callbacks are available for a message. - The UI displays ``execute_input`` messages originating from an other clients in new cells at the end of the notebook. Output messages (``execute_result`` et al.) will only be displayed if a cell exists with a matching message ID. Pending design questions: - Should each ``execute_input`` message cause a new cell to be created? - Should new cells be placed at the end of the notebook, or elsewhere? If the latter, what criteria should be followed?

Jonathan Frederic - - Load All Authors

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             dualmode_clipboard.js
        
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      // Test

      casper.notebook_test(function () {

          var a = 'print("a")';

          var index = this.append_cell(a);

          this.execute_cell_then(index);

          var b = 'print("b")';

          index = this.append_cell(b);

          this.execute_cell_then(index);

          var c = 'print("c")';

          index = this.append_cell(c);

          this.execute_cell_then(index);

          this.then(function () {

               // Copy/paste/cut

              var num_cells = this.get_cells_length();

              this.test.assertEquals(this.get_cell_text(1), a, 'Verify that cell 1 is a');

              this.select_cell(1);

              this.trigger_keydown('x'); // Cut

              this.validate_notebook_state('x', 'command', 1);

              this.test.assertEquals(this.get_cells_length(), num_cells-1,  'Verify that a cell was removed.');

              this.test.assertEquals(this.get_cell_text(1), b, 'Verify that cell 2 is now where cell 1 was.');

              this.select_cell(2);

              this.trigger_keydown('v'); // Paste

              this.validate_notebook_state('v', 'command', 3); // Selection should move to pasted cell, below current cell.

              this.test.assertEquals(this.get_cell_text(3), a, 'Verify that cell 3 has the cut contents.');

              this.test.assertEquals(this.get_cells_length(), num_cells,  'Verify a the cell was added.');

              this.trigger_keydown('v'); // Paste

              this.validate_notebook_state('v', 'command', 4); // Selection should move to pasted cell, below current cell.

              this.test.assertEquals(this.get_cell_text(4), a, 'Verify that cell 4 has the cut contents.');

              this.test.assertEquals(this.get_cells_length(), num_cells+1,  'Verify a the cell was added.');

              this.select_cell(1);

              this.trigger_keydown('c'); // Copy

              this.validate_notebook_state('c', 'command', 1);

              this.test.assertEquals(this.get_cell_text(1), b, 'Verify that cell 1 is b');

              this.select_cell(2);

              this.trigger_keydown('c'); // Copy

              this.validate_notebook_state('c', 'command', 2);

              this.test.assertEquals(this.get_cell_text(2), c, 'Verify that cell 2 is c');

              this.select_cell(4);

              this.trigger_keydown('v'); // Paste

              this.validate_notebook_state('v', 'command', 5);

              this.test.assertEquals(this.get_cell_text(2), c, 'Verify that cell 2 still has the copied contents.');

              this.test.assertEquals(this.get_cell_text(5), c, 'Verify that cell 5 has the copied contents.');

              this.test.assertEquals(this.get_cells_length(), num_cells+2,  'Verify a the cell was added.');

              this.select_cell(0);

              this.trigger_keydown('shift-v'); // Paste

              this.validate_notebook_state('shift-v', 'command', 0);

              this.test.assertEquals(this.get_cell_text(0), c, 'Verify that cell 0 has the copied contents.');

              this.test.assertEquals(this.get_cells_length(), num_cells+3,  'Verify a the cell was added.');

          });

      });

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				// Test
				casper.notebook_test(function () {
				var a = 'print("a")';
				var index = this.append_cell(a);
				this.execute_cell_then(index);

				var b = 'print("b")';
				index = this.append_cell(b);
				this.execute_cell_then(index);

				var c = 'print("c")';
				index = this.append_cell(c);
				this.execute_cell_then(index);

				this.then(function () {
				// Copy/paste/cut
				var num_cells = this.get_cells_length();
				this.test.assertEquals(this.get_cell_text(1), a, 'Verify that cell 1 is a');
				this.select_cell(1);
				this.trigger_keydown('x'); // Cut
				this.validate_notebook_state('x', 'command', 1);
				this.test.assertEquals(this.get_cells_length(), num_cells-1, 'Verify that a cell was removed.');
				this.test.assertEquals(this.get_cell_text(1), b, 'Verify that cell 2 is now where cell 1 was.');
				this.select_cell(2);
				this.trigger_keydown('v'); // Paste
				this.validate_notebook_state('v', 'command', 3); // Selection should move to pasted cell, below current cell.
				this.test.assertEquals(this.get_cell_text(3), a, 'Verify that cell 3 has the cut contents.');
				this.test.assertEquals(this.get_cells_length(), num_cells, 'Verify a the cell was added.');
				this.trigger_keydown('v'); // Paste
				this.validate_notebook_state('v', 'command', 4); // Selection should move to pasted cell, below current cell.
				this.test.assertEquals(this.get_cell_text(4), a, 'Verify that cell 4 has the cut contents.');
				this.test.assertEquals(this.get_cells_length(), num_cells+1, 'Verify a the cell was added.');
				this.select_cell(1);
				this.trigger_keydown('c'); // Copy
				this.validate_notebook_state('c', 'command', 1);
				this.test.assertEquals(this.get_cell_text(1), b, 'Verify that cell 1 is b');
				this.select_cell(2);
				this.trigger_keydown('c'); // Copy
				this.validate_notebook_state('c', 'command', 2);
				this.test.assertEquals(this.get_cell_text(2), c, 'Verify that cell 2 is c');
				this.select_cell(4);
				this.trigger_keydown('v'); // Paste
				this.validate_notebook_state('v', 'command', 5);
				this.test.assertEquals(this.get_cell_text(2), c, 'Verify that cell 2 still has the copied contents.');
				this.test.assertEquals(this.get_cell_text(5), c, 'Verify that cell 5 has the copied contents.');
				this.test.assertEquals(this.get_cells_length(), num_cells+2, 'Verify a the cell was added.');
				this.select_cell(0);
				this.trigger_keydown('shift-v'); // Paste
				this.validate_notebook_state('shift-v', 'command', 0);
				this.test.assertEquals(this.get_cell_text(0), c, 'Verify that cell 0 has the copied contents.');
				this.test.assertEquals(this.get_cells_length(), num_cells+3, 'Verify a the cell was added.');
				});
				});