Examples with DDCssLayout com.haulmont.cuba.web.widgets.addons.dragdroplayouts.DDCssLayout used on opensource projects

Example 1 with DDCssLayout

use of com.haulmont.cuba.web.widgets.addons.dragdroplayouts.DDCssLayout in project cuba by cuba-platform.

the class DefaultCssLayoutDropHandler method handleDropFromLayout.

@Override
protected void handleDropFromLayout(DragAndDropEvent event) {
    LayoutBoundTransferable transferable = (LayoutBoundTransferable) event.getTransferable();
    CssLayoutTargetDetails details = (CssLayoutTargetDetails) event.getTargetDetails();
    DDCssLayout layout = (DDCssLayout) details.getTarget();
    HorizontalDropLocation hl = details.getHorizontalDropLocation();
    VerticalDropLocation vl = details.getVerticalDropLocation();
    Component source = event.getTransferable().getSourceComponent();
    int idx = (details).getOverIndex();
    Component comp = transferable.getComponent();
    Component over = details.getOverComponent();
    if (over == layout) {
        if (vl == VerticalDropLocation.TOP || hl == HorizontalDropLocation.LEFT) {
            idx = 0;
        } else if (vl == VerticalDropLocation.BOTTOM || hl == HorizontalDropLocation.RIGHT) {
            idx = -1;
        }
    } else {
        if (vl == VerticalDropLocation.BOTTOM || hl == HorizontalDropLocation.RIGHT) {
            idx++;
        }
    }
    // Check that we are not dragging an outer layout into an inner
    // layout
    Component parent = layout.getParent();
    while (parent != null) {
        if (parent == comp) {
            return;
        }
        parent = parent.getParent();
    }
    // the component cannot have two parents.
    if (source instanceof ComponentContainer) {
        ComponentContainer sourceLayout = (ComponentContainer) source;
        sourceLayout.removeComponent(comp);
    }
    // Add component
    if (idx >= 0 && idx < layout.getComponentCount()) {
        layout.addComponent(comp, idx);
    } else {
        layout.addComponent(comp);
    }
}

Example 2 with DDCssLayout

use of com.haulmont.cuba.web.widgets.addons.dragdroplayouts.DDCssLayout in project cuba by cuba-platform.

the class DefaultCssLayoutDropHandler method handleHTML5Drop.

@Override
protected void handleHTML5Drop(DragAndDropEvent event) {
    CssLayoutTargetDetails details = (CssLayoutTargetDetails) event.getTargetDetails();
    Component over = details.getOverComponent();
    DDCssLayout layout = (DDCssLayout) details.getTarget();
    int idx = (details).getOverIndex();
    HorizontalDropLocation hl = details.getHorizontalDropLocation();
    VerticalDropLocation vl = details.getVerticalDropLocation();
    if (over == layout) {
        if (vl == VerticalDropLocation.TOP || hl == HorizontalDropLocation.LEFT) {
            idx = 0;
        } else if (vl == VerticalDropLocation.BOTTOM || hl == HorizontalDropLocation.RIGHT) {
            idx = -1;
        }
    } else {
        if (vl == VerticalDropLocation.BOTTOM || hl == HorizontalDropLocation.RIGHT) {
            idx++;
        }
    }
    if (idx >= 0 && idx < layout.getComponentCount()) {
        layout.addComponent(resolveComponentFromHTML5Drop(event), idx);
    } else {
        layout.addComponent(resolveComponentFromHTML5Drop(event));
    }
}

Example 3 with DDCssLayout

use of com.haulmont.cuba.web.widgets.addons.dragdroplayouts.DDCssLayout in project cuba by cuba-platform.

the class DefaultCssLayoutDropHandler method handleComponentReordering.

@Override
protected void handleComponentReordering(DragAndDropEvent event) {
    // Component re-ordering
    LayoutBoundTransferable transferable = (LayoutBoundTransferable) event.getTransferable();
    CssLayoutTargetDetails details = (CssLayoutTargetDetails) event.getTargetDetails();
    DDCssLayout layout = (DDCssLayout) details.getTarget();
    Component comp = transferable.getComponent();
    int idx = details.getOverIndex();
    // Detach from old source
    Component source = transferable.getSourceComponent();
    if (source instanceof ComponentContainer) {
        ((ComponentContainer) source).removeComponent(comp);
    } else if (source instanceof SingleComponentContainer) {
        ((SingleComponentContainer) source).setContent(null);
    }
    // Add component
    if (idx >= 0 && idx < layout.getComponentCount()) {
        layout.addComponent(comp, idx);
    } else {
        layout.addComponent(comp);
    }
}