Examples with ComponentArea com.haulmont.cuba.gui.components.form.ComponentArea used on opensource projects

Example 1 with ComponentArea

use of com.haulmont.cuba.gui.components.form.ComponentArea in project cuba by cuba-platform.

the class WebForm method getComponent.

@Override
public Component getComponent(int column, int row) {
    checkArgument(column >= 0 && column < component.getColumns() && row >= 0 && row < component.getRows(), "Illegal coordinates for the component: [%s, %s]. Must be between [0, 0] - [%s, %s]", column, row, component.getColumns() - 1, component.getRows() - 1);
    List<ComponentArea> componentAreas = calculateComponentAreas();
    for (ComponentArea area : componentAreas) {
        if (area.getStartColumn() <= column && column <= area.getEndColumn() && area.getStartRow() <= row && row <= area.getEndRow()) {
            return area.getComponent();
        }
    }
    throw new IllegalStateException(String.format("Can't find a component for the given coordinates: [%s, %s]", column, row));
}

Example 2 with ComponentArea

use of com.haulmont.cuba.gui.components.form.ComponentArea in project cuba by cuba-platform.

the class WebForm method reattachColumnFields.

protected void reattachColumnFields() {
    List<ComponentArea> componentAreas = calculateComponentAreas();
    this.component.removeAllComponents();
    for (ComponentArea componentArea : componentAreas) {
        com.vaadin.ui.Component composition = WebComponentsHelper.getComposition(componentArea.getComponent());
        this.component.addComponent(composition, componentArea.getStartColumn(), componentArea.getStartRow(), componentArea.getEndColumn(), componentArea.getEndRow());
    }
}

Example 3 with ComponentArea

use of com.haulmont.cuba.gui.components.form.ComponentArea in project cuba by cuba-platform.

the class WebForm method calculateComponentAreas.

protected List<ComponentArea> calculateComponentAreas() {
    List<ComponentArea> componentAreas = new ArrayList<>();
    // Inspired by GridLayoutLoader logic
    boolean[][] spanMatrix = new boolean[this.component.getColumns()][this.component.getRows()];
    for (int col = 0; col < columnComponentMapping.size(); col++) {
        int row = 0;
        List<ComponentPosition> columnFields = columnComponentMapping.get(col);
        for (ComponentPosition componentPosition : columnFields) {
            while (spanMatrix[col][row]) {
                row++;
            }
            Component component = componentPosition.getComponent();
            int colSpan = componentPosition.getColSpan();
            int rowSpan = componentPosition.getRowSpan();
            if (colSpan == 1 && rowSpan == 1) {
                componentAreas.add(new ComponentArea(component, col, row, col, row));
            } else {
                fillSpanMatrix(spanMatrix, col, row, colSpan, rowSpan);
                int endColumn = col + colSpan - 1;
                int endRow = row + rowSpan - 1;
                componentAreas.add(new ComponentArea(component, col, row, endColumn, endRow));
            }
            row++;
        }
    }
    return componentAreas;
}

Example 4 with ComponentArea

use of com.haulmont.cuba.gui.components.form.ComponentArea in project cuba by cuba-platform.

the class WebForm method checkExistingOverlaps.

protected void checkExistingOverlaps(int startColumn, int startRow, int colSpan, int rowSpan) {
    int endColumn = startColumn + colSpan - 1;
    int endRow = startRow + rowSpan - 1;
    List<ComponentArea> componentAreas = calculateComponentAreas();
    for (ComponentArea area : componentAreas) {
        // Check that a component isn't inserted to the existing component area excluding top left point.
        if (area.getStartColumn() < startColumn && startColumn <= area.getEndColumn() && area.getStartRow() <= startRow && startRow <= area.getEndRow() || area.getStartRow() < startRow && startRow <= area.getEndRow() && area.getStartColumn() <= startColumn && startColumn <= area.getEndColumn()) {
            throw new IllegalArgumentException(String.format("Given coordinates [%s, %s] - [%s, %s] overlap existing component: [%s, %s] - [%s, %s]", startColumn, startRow, endColumn, endRow, area.getStartColumn(), area.getStartRow(), area.getEndColumn(), area.getEndRow()));
        }
    }
}

Example 5 with ComponentArea

use of com.haulmont.cuba.gui.components.form.ComponentArea in project cuba by cuba-platform.

the class WebForm method detectRowsCount.

protected int detectRowsCount(int column, boolean isCheckAreas) {
    List<ComponentPosition> componentPositions = columnComponentMapping.get(column);
    // Calculate rows count considering row spans
    int rowsCount = componentPositions.stream().map(ComponentPosition::getRowSpan).reduce(Integer::sum).orElse(0);
    List<ComponentArea> componentAreas = isCheckAreas ? calculateComponentAreas() : Collections.emptyList();
    // then increase rows count by its row span value
    for (int i = 0; i < column; i++) {
        List<ComponentPosition> positions = columnComponentMapping.get(i);
        for (ComponentPosition position : positions) {
            if (i + position.getColSpan() > column) {
                // Even though a component from a previous column overlaps current column
                // it still can be above a current component
                ComponentArea area = findComponentArea(componentAreas, position);
                if (area == null || rowsCount >= area.getStartRow()) {
                    rowsCount += position.getRowSpan();
                }
            }
        }
    }
    return rowsCount;
}