diff options
Diffstat (limited to 'examples/quickcontrols/spreadsheets')
| -rw-r--r-- | examples/quickcontrols/spreadsheets/Spreadsheets/Main.qml | 196 |
1 files changed, 102 insertions, 94 deletions
diff --git a/examples/quickcontrols/spreadsheets/Spreadsheets/Main.qml b/examples/quickcontrols/spreadsheets/Spreadsheets/Main.qml index 97e9c0600b..a030b8da13 100644 --- a/examples/quickcontrols/spreadsheets/Spreadsheets/Main.qml +++ b/examples/quickcontrols/spreadsheets/Spreadsheets/Main.qml @@ -342,111 +342,119 @@ ApplicationWindow { dragCell = Qt.point(-1, -1) } } + } + } - DropArea { - id: dropArea - - property point dropCell: Qt.point(-1, -1) + DropArea { + id: dropArea - anchors.fill: parent - Drag.active: dragArea.drag.active - enabled: dragArea.drag.active + property point dropCell: Qt.point(-1, -1) + // This property keeps the interactive value to restore it after + // dragging is finished. The reason is that when the interactive + // mode is true, it steals the events and prevents the drop area + // from working. + property bool restoreInteractiveValue: tableView.interactive - function startDragging() - { - // block updating visible area - visibleCellsConnection.blockConnection() - } - - function stopDragging() - { - Drag.drop() - // unblock update visible area - visibleCellsConnection.blockConnection(false) - visibleCellsConnection.updateViewArea() // now update visible area - } - - function isDropPossible(dropCell) { - for (let i = 0; i < mimeDataProvider.size(); ++i) { - let cell = mimeDataProvider.cellAt(i) - cell.x += dropCell.x - dragArea.dragCell.x - cell.y += dropCell.y - dragArea.dragCell.y - const index = tableView.index(cell.y, cell.x) - if (!index.valid) - return false - } - return true - } + anchors.fill: parent + Drag.active: dragArea.drag.active + enabled: dragArea.drag.active + + function startDragging() + { + restoreInteractiveValue = tableView.interactive + tableView.interactive = false + // block updating visible area + visibleCellsConnection.blockConnection() + } - onDropped: { - const position = Qt.point(dragArea.mouseX, dragArea.mouseY) - dropCell = tableView.cellAtPosition(position, true) - if (dropCell.x < 0 || dropCell.y < 0) - return - if (dragArea.dragCell === dropCell) - return + function stopDragging() + { + Drag.drop() + // unblock update visible area + visibleCellsConnection.blockConnection(false) + visibleCellsConnection.updateViewArea() // now update visible area + tableView.interactive = restoreInteractiveValue + } - if (!isDropPossible(dropCell)) { - tableView.model.clearHighlight() - return - } + function isDropPossible(dropCell) { + for (let i = 0; i < mimeDataProvider.size(); ++i) { + let cell = mimeDataProvider.cellAt(i) + cell.x += dropCell.x - dragArea.dragCell.x + cell.y += dropCell.y - dragArea.dragCell.y + const index = tableView.index(cell.y, cell.x) + if (!index.valid) + return false + } + return true + } - tableView.model.clearItemData(_spreadSelectionModel.selectedIndexes) - for (let i = 0; i < mimeDataProvider.size(); ++i) { - let cell = mimeDataProvider.cellAt(i) - cell.x += dropCell.x - dragArea.dragCell.x - cell.y += dropCell.y - dragArea.dragCell.y - const index = tableView.index(cell.y, cell.x) - mimeDataProvider.saveDataToModel(i, index, tableView.model) - } - mimeDataProvider.reset() - _spreadSelectionModel.clearSelection() + onDropped: { + const position = Qt.point(dragArea.mouseX, dragArea.mouseY) + dropCell = tableView.cellAtPosition(position, true) + if (dropCell.x < 0 || dropCell.y < 0) + return + if (dragArea.dragCell === dropCell) + return + + if (!isDropPossible(dropCell)) { + tableView.model.clearHighlight() + return + } - const drop_index = tableView.index(dropCell.y, dropCell.x) - _spreadSelectionModel.setCurrentIndex(drop_index, ItemSelectionModel.Current) + tableView.model.clearItemData(_spreadSelectionModel.selectedIndexes) + for (let i = 0; i < mimeDataProvider.size(); ++i) { + let cell = mimeDataProvider.cellAt(i) + cell.x += dropCell.x - dragArea.dragCell.x + cell.y += dropCell.y - dragArea.dragCell.y + const index = tableView.index(cell.y, cell.x) + mimeDataProvider.saveDataToModel(i, index, tableView.model) + } + mimeDataProvider.reset() + _spreadSelectionModel.clearSelection() - tableView.model.clearHighlight() - } + const drop_index = tableView.index(dropCell.y, dropCell.x) + _spreadSelectionModel.setCurrentIndex(drop_index, ItemSelectionModel.Current) - onPositionChanged: { - const position = Qt.point(dragArea.mouseX, dragArea.mouseY) - // cell is the cell that currently mouse is over it - const cell = tableView.cellAtPosition(position, true) - // dropCell is the cell that it was under the mouse's last position - // if the last and current cells are the same, then there is no need - // to update highlight, as nothing is changed since last time. - if (cell === dropCell) - return + tableView.model.clearHighlight() + } - if (!isDropPossible(cell)) { - tableView.model.clearHighlight() - return - } + onPositionChanged: { + const position = Qt.point(dragArea.mouseX, dragArea.mouseY) + // cell is the cell that currently mouse is over it + const cell = tableView.cellAtPosition(position, true) + // dropCell is the cell that it was under the mouse's last position + // if the last and current cells are the same, then there is no need + // to update highlight, as nothing is changed since last time. + if (cell === dropCell) + return + + if (!isDropPossible(cell)) { + tableView.model.clearHighlight() + return + } - // if something is changed, it means that if the current cell is changed, - // then clear highlighted cells and update the dropCell. - tableView.model.clearHighlight() - dropCell = cell - // if the current cell was invalid (mouse is out side of the TableView) - // then no need to update highlight - if (cell.x < 0 || cell.y < 0) - return - // if dragged cell is the same as the (possibly) dropCell - // then no need to highlight any cells - if (dragArea.dragCell === dropCell) - return - // if the dropCell is not the same as the dragging cell and also - // is not the same as the cell at the mouse's last position - // then highlights the target cells - for (let i in _spreadSelectionModel.selectedIndexes) { - const old_index = _spreadSelectionModel.selectedIndexes[i] - let cell = tableView.cellAtIndex(old_index) - cell.x += dropCell.x - dragArea.dragCell.x - cell.y += dropCell.y - dragArea.dragCell.y - const new_index = tableView.index(cell.y, cell.x) - tableView.model.setHighlight(new_index, true) - } - } + // if something is changed, it means that if the current cell is changed, + // then clear highlighted cells and update the dropCell. + tableView.model.clearHighlight() + dropCell = cell + // if the current cell was invalid (mouse is out side of the TableView) + // then no need to update highlight + if (cell.x < 0 || cell.y < 0) + return + // if dragged cell is the same as the (possibly) dropCell + // then no need to highlight any cells + if (dragArea.dragCell === dropCell) + return + // if the dropCell is not the same as the dragging cell and also + // is not the same as the cell at the mouse's last position + // then highlights the target cells + for (let i in _spreadSelectionModel.selectedIndexes) { + const old_index = _spreadSelectionModel.selectedIndexes[i] + let cell = tableView.cellAtIndex(old_index) + cell.x += dropCell.x - dragArea.dragCell.x + cell.y += dropCell.y - dragArea.dragCell.y + const new_index = tableView.index(cell.y, cell.x) + tableView.model.setHighlight(new_index, true) } } } |