Example usage for com.vaadin.shared.ui.dd HorizontalDropLocation LEFT

List of usage examples for com.vaadin.shared.ui.dd HorizontalDropLocation LEFT

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Introduction

In this page you can find the example usage for com.vaadin.shared.ui.dd HorizontalDropLocation LEFT.

Prototype

HorizontalDropLocation LEFT

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Usage

From source file:com.haulmont.cuba.web.widgets.addons.dragdroplayouts.drophandlers.DefaultCssLayoutDropHandler.java

License:Apache License

@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;// www. j  ava  2s.c om
        } 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();
    }

    // If source is an instance of a component container then remove
    // it
    // from there,
    // 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);
    }
}

From source file:com.haulmont.cuba.web.widgets.addons.dragdroplayouts.drophandlers.DefaultCssLayoutDropHandler.java

License:Apache License

@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;/*w w  w  .  ja v  a 2  s. c  o m*/
        } 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));
    }
}

From source file:com.haulmont.cuba.web.widgets.addons.dragdroplayouts.drophandlers.DefaultHorizontalSplitPanelDropHandler.java

License:Apache License

@Override
protected void handleDropFromLayout(DragAndDropEvent event) {
    LayoutBoundTransferable transferable = (LayoutBoundTransferable) event.getTransferable();
    ComponentContainer source = (ComponentContainer) transferable.getSourceComponent();
    HorizontalSplitPanelTargetDetails details = (HorizontalSplitPanelTargetDetails) event.getTargetDetails();
    Component component = transferable.getComponent();
    DDHorizontalSplitPanel panel = (DDHorizontalSplitPanel) details.getTarget();

    // Detach from old source
    if (source instanceof ComponentContainer) {
        ((ComponentContainer) source).removeComponent(component);
    } else if (source instanceof SingleComponentContainer) {
        ((SingleComponentContainer) source).setContent(null);
    }//from   ww  w . ja  v a  2 s .c  o m

    if (details.getDropLocation() == HorizontalDropLocation.LEFT) {
        // Dropped in the left area
        panel.setFirstComponent(component);

    } else if (details.getDropLocation() == HorizontalDropLocation.RIGHT) {
        // Dropped in the right area
        panel.setSecondComponent(component);
    }
}

From source file:com.haulmont.cuba.web.widgets.addons.dragdroplayouts.drophandlers.DefaultHorizontalSplitPanelDropHandler.java

License:Apache License

@Override
protected void handleHTML5Drop(DragAndDropEvent event) {
    HorizontalSplitPanelTargetDetails details = (HorizontalSplitPanelTargetDetails) event.getTargetDetails();
    DDHorizontalSplitPanel panel = (DDHorizontalSplitPanel) details.getTarget();

    if (details.getDropLocation() == HorizontalDropLocation.LEFT) {
        // Dropped in the left area
        panel.setFirstComponent(resolveComponentFromHTML5Drop(event));

    } else if (details.getDropLocation() == HorizontalDropLocation.RIGHT) {
        // Dropped in the right area
        panel.setSecondComponent(resolveComponentFromHTML5Drop(event));
    }/*from  w  w  w  .  java2 s.c o m*/

}

From source file:com.haulmont.cuba.web.widgets.addons.dragdroplayouts.drophandlers.DefaultTabSheetDropHandler.java

License:Apache License

@Override
protected void handleComponentReordering(DragAndDropEvent event) {
    LayoutBoundTransferable transferable = (LayoutBoundTransferable) event.getTransferable();
    TabSheetTargetDetails details = (TabSheetTargetDetails) event.getTargetDetails();
    DDTabSheet tabSheet = (DDTabSheet) details.getTarget();
    Component c = transferable.getComponent();
    Tab tab = tabSheet.getTab(c);/*from   w  w  w  .ja  v  a  2s. co m*/
    HorizontalDropLocation location = details.getDropLocation();
    int idx = details.getOverIndex();

    if (location == HorizontalDropLocation.LEFT) {
        // Left of previous tab
        int originalIndex = tabSheet.getTabPosition(tab);
        if (originalIndex > idx) {
            tabSheet.setTabPosition(tab, idx);
        } else if (idx - 1 >= 0) {
            tabSheet.setTabPosition(tab, idx - 1);
        }

    } else if (location == HorizontalDropLocation.RIGHT) {
        // Right of previous tab
        int originalIndex = tabSheet.getTabPosition(tab);
        if (originalIndex > idx) {
            tabSheet.setTabPosition(tab, idx + 1);
        } else {
            tabSheet.setTabPosition(tab, idx);
        }
    }
}

From source file:com.haulmont.cuba.web.widgets.addons.dragdroplayouts.drophandlers.DefaultTabSheetDropHandler.java

License:Apache License

@Override
protected void handleDropFromLayout(DragAndDropEvent event) {
    LayoutBoundTransferable transferable = (LayoutBoundTransferable) event.getTransferable();
    TabSheetTargetDetails details = (TabSheetTargetDetails) event.getTargetDetails();
    DDTabSheet tabSheet = (DDTabSheet) details.getTarget();
    Component c = transferable.getComponent();
    HorizontalDropLocation location = details.getDropLocation();
    int idx = details.getOverIndex();
    ComponentContainer source = (ComponentContainer) transferable.getSourceComponent();

    // Detach from old source
    if (source instanceof ComponentContainer) {
        ((ComponentContainer) source).removeComponent(c);
    } else if (source instanceof SingleComponentContainer) {
        ((SingleComponentContainer) source).setContent(null);
    }/*from w  w  w .j a v  a  2 s .c o  m*/

    if (location == HorizontalDropLocation.LEFT) {
        tabSheet.addTab(c, idx);
    } else if (location == HorizontalDropLocation.RIGHT) {
        tabSheet.addTab(c, idx + 1);
    }
}

From source file:com.haulmont.cuba.web.widgets.addons.dragdroplayouts.drophandlers.DefaultTabSheetDropHandler.java

License:Apache License

@Override
protected void handleHTML5Drop(DragAndDropEvent event) {
    TabSheetTargetDetails details = (TabSheetTargetDetails) event.getTargetDetails();
    HorizontalDropLocation location = details.getDropLocation();
    DDTabSheet tabSheet = (DDTabSheet) details.getTarget();
    int idx = details.getOverIndex();

    Component c = resolveComponentFromHTML5Drop(event);
    c.setCaption(resolveCaptionFromHTML5Drop(event));

    if (location == HorizontalDropLocation.LEFT) {
        tabSheet.addTab(c, idx);// ww  w  .  j  a  v  a 2 s .c  om
    } else if (location == HorizontalDropLocation.RIGHT) {
        tabSheet.addTab(c, idx + 1);
    }
}

From source file:com.haulmont.cuba.web.widgets.client.addons.dragdroplayouts.ui.csslayout.VDDCssLayout.java

License:Apache License

public void updateDrag(VDragEvent drag) {

    if (placeHolderElement == null) {
        /*//from w ww  .  j  a va  2 s.  c  o m
         * Drag image might not have been detach due to lazy attaching in
         * the DragAndDropManager. Detach it again here if it has not been
         * detached.
         */
        attachDragImageToLayout(drag);
        return;
    }

    if (drag.getElementOver().isOrHasChild(placeHolderElement)) {
        return;
    }

    if (placeHolderElement.hasParentElement()) {
        /*
         * Remove the placeholder from the DOM so we can reposition
         */
        placeHolderElement.removeFromParent();
    }

    Widget w = Util.findWidget(drag.getElementOver(), null);

    ComponentConnector draggedConnector = (ComponentConnector) drag.getTransferable()
            .getData(Constants.TRANSFERABLE_DETAIL_COMPONENT);

    if (draggedConnector != null && w == draggedConnector.getWidget()) {
        /*
         * Dragging drag image over the placeholder should not have any
         * effect (except placeholder should be removed)
         */
        return;
    }

    if (w != null && w != this) {

        HorizontalDropLocation hl = getHorizontalDropLocation(w, drag);
        VerticalDropLocation vl = getVerticalDropLocation(w, drag);

        if (hl == HorizontalDropLocation.LEFT || vl == VerticalDropLocation.TOP) {
            Element prev = w.getElement().getPreviousSibling().cast();
            if (draggedConnector == null || prev == null
                    || !draggedConnector.getWidget().getElement().isOrHasChild(prev)) {

                w.getElement().getParentElement().insertBefore(placeHolderElement, w.getElement());

            }
        } else if (hl == HorizontalDropLocation.RIGHT || vl == VerticalDropLocation.BOTTOM) {
            Element next = w.getElement().getNextSibling().cast();
            if (draggedConnector == null || next == null
                    || !draggedConnector.getWidget().getElement().isOrHasChild(next)) {
                w.getElement().getParentElement().insertAfter(placeHolderElement, w.getElement());
            }

        } else {
            Element prev = w.getElement().getPreviousSibling().cast();
            if (draggedConnector == null || prev == null
                    || !draggedConnector.getWidget().getElement().isOrHasChild(prev)) {
                w.getElement().getParentElement().insertBefore(placeHolderElement, w.getElement());
            }
        }

    } else {
        /*
         * First child or hoovering outside of current components
         */
        getElement().appendChild(placeHolderElement);
    }

    updatePlaceHolderStyleProperties(drag);
}

From source file:com.haulmont.cuba.web.widgets.client.addons.dragdroplayouts.ui.gridlayout.VDDGridLayout.java

License:Apache License

/**
 * Returns the horizontal drop location// w ww  .  ja v a2s.c o m
 * 
 * @param cell
 *            The cell details
 * @param event
 *            The drag event
 * @return
 */
protected HorizontalDropLocation getHorizontalDropLocation(CellDetails cell, VDragEvent event) {

    // Get the horizontal location
    HorizontalDropLocation hdetail;
    int x = Util.getTouchOrMouseClientX(event.getCurrentGwtEvent()) - getAbsoluteLeft() - cell.x;

    assert (x >= 0 && x <= cell.width);

    if (x < cell.width * cellLeftRightDropRatio) {
        hdetail = HorizontalDropLocation.LEFT;
    } else if (x < cell.width * (1.0 - cellLeftRightDropRatio)) {
        hdetail = HorizontalDropLocation.CENTER;
    } else {
        hdetail = HorizontalDropLocation.RIGHT;
    }
    return hdetail;
}

From source file:com.haulmont.cuba.web.widgets.client.addons.dragdroplayouts.ui.gridlayout.VDDGridLayout.java

License:Apache License

/**
 * Removes any emphasis previously set by emphasis
 *///from   w  ww .j  a  v  a 2 s  .c o  m
protected void deEmphasis() {

    setStyleName(dragShadow.getElement(), OVER, false);

    // Horizontal styles
    setStyleName(dragShadow.getElement(), OVER + "-" + HorizontalDropLocation.LEFT.toString().toLowerCase(),
            false);
    setStyleName(dragShadow.getElement(), OVER + "-" + HorizontalDropLocation.CENTER.toString().toLowerCase(),
            false);
    setStyleName(dragShadow.getElement(), OVER + "-" + HorizontalDropLocation.RIGHT.toString().toLowerCase(),
            false);

    // Vertical styles
    setStyleName(dragShadow.getElement(), OVER + "-" + VerticalDropLocation.TOP.toString().toLowerCase(),
            false);
    setStyleName(dragShadow.getElement(), OVER + "-" + VerticalDropLocation.MIDDLE.toString().toLowerCase(),
            false);
    setStyleName(dragShadow.getElement(), OVER + "-" + VerticalDropLocation.BOTTOM.toString().toLowerCase(),
            false);

}