// Insert a new model column at the specified index
private void insertColumnBefore(DTColumnConfig modelColumn, int index, boolean bRedraw) {
// Create new column for grid
DynamicColumn<DTColumnConfig> column =
new DynamicColumn<DTColumnConfig>(modelColumn, cellFactory.getCell(modelColumn), index);
column.setVisible(!modelColumn.isHideColumn());
DynamicColumn<DTColumnConfig> columnBefore = widget.getGridWidget().getColumns().get(index);
// Create column data
DynamicData data = widget.getGridWidget().getData();
List<CellValue<? extends Comparable<?>>> columnData =
new ArrayList<CellValue<? extends Comparable<?>>>();
for (int iRow = 0; iRow < data.size(); iRow++) {
DTCellValue dcv = new DTCellValue(modelColumn.getDefaultValue());
CellValue<?> cell = cellValueFactory.makeCellValue(modelColumn, iRow, index, dcv);
columnData.add(cell);
}
// Add column and data to grid
widget.insertColumnBefore(columnBefore, column, columnData, bRedraw);
}
/**
* Set the Decision Table's data. This removes all existing columns from the Decision Table and
* re-creates them based upon the provided data.
*
* @param data
*/
public void setModel(TypeSafeGuidedDecisionTable model) {
if (model == null) {
throw new IllegalArgumentException("model cannot be null");
}
this.model = model;
this.cellFactory = new DecisionTableCellFactory(sce, widget.getGridWidget(), this.model);
this.cellValueFactory = new DecisionTableCellValueFactory(sce, this.model);
// Date converter is injected so a GWT compatible one can be used here and another in testing
DecisionTableCellValueFactory.injectDateConvertor(GWTDateConverter.getInstance());
// Setup command to recalculate System Controlled values when rows are added\deleted
widget
.getGridWidget()
.getData()
.setOnRowChangeCommand(
new Command() {
public void execute() {
updateSystemControlledColumnValues();
}
});
widget.getGridWidget().getData().clear();
widget.getGridWidget().getColumns().clear();
// Dummy rows because the underlying DecoratedGridWidget expects there
// to be enough rows to receive the columns data
final DynamicData data = widget.getGridWidget().getData();
for (int iRow = 0; iRow < model.getData().size(); iRow++) {
data.addRow();
}
// Static columns, Row#
int colIndex = 0;
DTColumnConfig colStatic;
DynamicColumn<DTColumnConfig> columnStatic;
colStatic = model.getRowNumberCol();
columnStatic =
new DynamicColumn<DTColumnConfig>(
colStatic, cellFactory.getCell(colStatic), colIndex, true, false);
columnStatic.setWidth(24);
widget.appendColumn(columnStatic, makeColumnData(colStatic, colIndex++), false);
// Static columns, Description
colStatic = model.getDescriptionCol();
columnStatic =
new DynamicColumn<DTColumnConfig>(colStatic, cellFactory.getCell(colStatic), colIndex);
widget.appendColumn(columnStatic, makeColumnData(colStatic, colIndex++), false);
// Initialise CellTable's Metadata columns
for (DTColumnConfig col : model.getMetadataCols()) {
DynamicColumn<DTColumnConfig> column =
new DynamicColumn<DTColumnConfig>(col, cellFactory.getCell(col), colIndex);
column.setVisible(!col.isHideColumn());
widget.appendColumn(column, makeColumnData(col, colIndex++), false);
}
// Initialise CellTable's Attribute columns
for (DTColumnConfig col : model.getAttributeCols()) {
DynamicColumn<DTColumnConfig> column =
new DynamicColumn<DTColumnConfig>(col, cellFactory.getCell(col), colIndex);
column.setVisible(!col.isHideColumn());
column.setSystemControlled(col.isUseRowNumber());
column.setSortable(!col.isUseRowNumber());
widget.appendColumn(column, makeColumnData(col, colIndex++), false);
}
// Initialise CellTable's Condition columns
assertConditionColumnGrouping(model);
for (DTColumnConfig col : model.getConditionCols()) {
DynamicColumn<DTColumnConfig> column =
new DynamicColumn<DTColumnConfig>(col, cellFactory.getCell(col), colIndex);
column.setVisible(!col.isHideColumn());
widget.appendColumn(column, makeColumnData(col, colIndex++), false);
}
// Initialise CellTable's Action columns
for (DTColumnConfig col : model.getActionCols()) {
DynamicColumn<DTColumnConfig> column =
new DynamicColumn<DTColumnConfig>(col, cellFactory.getCell(col), colIndex);
column.setVisible(!col.isHideColumn());
widget.appendColumn(column, makeColumnData(col, colIndex++), false);
}
// Ensure System Controlled values are correctly initialised
updateSystemControlledColumnValues();
// Draw header first as the size of child Elements depends upon it
widget.getHeaderWidget().redraw();
widget.getSidebarWidget().redraw();
// Schedule redraw of grid after sizes of child Elements have been set
Scheduler.get()
.scheduleFinally(
new ScheduledCommand() {
public void execute() {
widget.getGridWidget().redraw();
}
});
}