Examples with AbstractOrderedLayout com.vaadin.ui.AbstractOrderedLayout used on opensource projects

Example 21 with AbstractOrderedLayout

use of com.vaadin.ui.AbstractOrderedLayout in project cuba by cuba-platform.

the class DefaultVerticalLayoutDropHandler method handleComponentReordering.

/**
 * Called when a component changed location within the layout
 *
 * @param event
 *            The drag and drop event
 */
@Override
protected void handleComponentReordering(DragAndDropEvent event) {
    // Component re-ordering
    LayoutBoundTransferable transferable = (LayoutBoundTransferable) event.getTransferable();
    VerticalLayoutTargetDetails details = (VerticalLayoutTargetDetails) event.getTargetDetails();
    AbstractOrderedLayout layout = (AbstractOrderedLayout) details.getTarget();
    Component comp = transferable.getComponent();
    int idx = details.getOverIndex();
    int oldIndex = layout.getComponentIndex(comp);
    if (idx == oldIndex) {
        // Index did not change
        return;
    }
    // Detach
    layout.removeComponent(comp);
    // Account for detachment if new index is bigger then old index
    if (idx > oldIndex) {
        idx--;
    }
    // Increase index if component is dropped after or above a previous
    // component
    VerticalDropLocation loc = details.getDropLocation();
    if (loc == VerticalDropLocation.MIDDLE || loc == VerticalDropLocation.BOTTOM) {
        idx++;
    }
    // Add component
    if (idx >= 0) {
        layout.addComponent(comp, idx);
    } else {
        layout.addComponent(comp);
    }
    // Add component alignment if given
    if (dropAlignment != null) {
        layout.setComponentAlignment(comp, dropAlignment);
    }
}

Example 22 with AbstractOrderedLayout

use of com.vaadin.ui.AbstractOrderedLayout in project cuba by cuba-platform.

the class DefaultVerticalLayoutDropHandler method handleDropFromLayout.

/**
 * Handle a drop from another layout
 *
 * @param event
 *            The drag and drop event
 */
@Override
protected void handleDropFromLayout(DragAndDropEvent event) {
    LayoutBoundTransferable transferable = (LayoutBoundTransferable) event.getTransferable();
    VerticalLayoutTargetDetails details = (VerticalLayoutTargetDetails) event.getTargetDetails();
    AbstractOrderedLayout layout = (AbstractOrderedLayout) details.getTarget();
    Component source = event.getTransferable().getSourceComponent();
    int idx = (details).getOverIndex();
    Component comp = transferable.getComponent();
    // 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();
    }
    // Detach from old source
    if (source instanceof ComponentContainer) {
        ((ComponentContainer) source).removeComponent(comp);
    } else if (source instanceof SingleComponentContainer) {
        ((SingleComponentContainer) source).setContent(null);
    }
    // Increase index if component is dropped after or above a
    // previous
    // component
    VerticalDropLocation loc = (details).getDropLocation();
    if (loc == VerticalDropLocation.MIDDLE || loc == VerticalDropLocation.BOTTOM) {
        idx++;
    }
    // Add component
    if (idx >= 0) {
        layout.addComponent(comp, idx);
    } else {
        layout.addComponent(comp);
    }
    // Add component alignment if given
    if (dropAlignment != null) {
        layout.setComponentAlignment(comp, dropAlignment);
    }
}

Example 23 with AbstractOrderedLayout

use of com.vaadin.ui.AbstractOrderedLayout in project cuba by cuba-platform.

the class DefaultVerticalLayoutDropHandler method handleHTML5Drop.

@Override
protected void handleHTML5Drop(DragAndDropEvent event) {
    VerticalLayoutTargetDetails details = (VerticalLayoutTargetDetails) event.getTargetDetails();
    AbstractOrderedLayout layout = (AbstractOrderedLayout) details.getTarget();
    int idx = (details).getOverIndex();
    // Increase index if component is dropped after or above a
    // previous
    // component
    VerticalDropLocation loc = (details).getDropLocation();
    if (loc == VerticalDropLocation.MIDDLE || loc == VerticalDropLocation.BOTTOM) {
        idx++;
    }
    Component comp = resolveComponentFromHTML5Drop(event);
    // Add component
    if (idx >= 0) {
        layout.addComponent(comp, idx);
    } else {
        layout.addComponent(comp);
    }
    // Add component alignment if given
    if (dropAlignment != null) {
        layout.setComponentAlignment(comp, dropAlignment);
    }
}

Example 24 with AbstractOrderedLayout

use of com.vaadin.ui.AbstractOrderedLayout in project cuba by cuba-platform.

the class WebGroupBox method setExpandRatio.

@Override
public void setExpandRatio(Component component, float ratio) {
    AbstractOrderedLayout layout = getComponentContent();
    layout.setExpandRatio(component.unwrapComposition(com.vaadin.ui.Component.class), ratio);
}

Example 25 with AbstractOrderedLayout

use of com.vaadin.ui.AbstractOrderedLayout in project cuba by cuba-platform.

the class WebScrollBoxLayout method add.

@Override
public void add(Component childComponent, int index) {
    if (childComponent.getParent() != null && childComponent.getParent() != this) {
        throw new IllegalStateException("Component already has parent");
    }
    AbstractOrderedLayout newContent = null;
    if (orientation == Orientation.VERTICAL && !(getContent() instanceof CubaVerticalActionsLayout)) {
        newContent = new CubaVerticalActionsLayout();
        newContent.setWidth(100, Sizeable.Unit.PERCENTAGE);
    } else if (orientation == Orientation.HORIZONTAL && !(getContent() instanceof CubaHorizontalActionsLayout)) {
        newContent = new CubaHorizontalActionsLayout();
    }
    if (newContent != null) {
        newContent.setMargin((getContent()).getMargin());
        newContent.setSpacing((getContent()).isSpacing());
        newContent.setStyleName(SCROLLBOX_CONTENT_STYLENAME);
        com.vaadin.ui.Component oldContent = component.getComponent(0);
        newContent.setWidth(oldContent.getWidth(), oldContent.getWidthUnits());
        newContent.setHeight(oldContent.getHeight(), oldContent.getHeightUnits());
        component.removeAllComponents();
        component.addComponent(newContent);
        applyScrollBarsPolicy(scrollBarPolicy);
    }
    if (ownComponents.contains(childComponent)) {
        int existingIndex = getContent().getComponentIndex(WebComponentsHelper.getComposition(childComponent));
        if (index > existingIndex) {
            index--;
        }
        remove(childComponent);
    }
    com.vaadin.ui.Component vComponent = WebComponentsHelper.getComposition(childComponent);
    getContent().addComponent(vComponent, index);
    getContent().setComponentAlignment(vComponent, WebWrapperUtils.toVaadinAlignment(childComponent.getAlignment()));
    if (frame != null) {
        if (childComponent instanceof BelongToFrame && ((BelongToFrame) childComponent).getFrame() == null) {
            ((BelongToFrame) childComponent).setFrame(frame);
        } else {
            ((FrameImplementation) frame).registerComponent(childComponent);
        }
    }
    if (index == ownComponents.size()) {
        ownComponents.add(childComponent);
    } else {
        ownComponents.add(index, childComponent);
    }
    childComponent.setParent(this);
}