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

Introduction

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

Prototype

HorizontalDropLocation CENTER

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Usage

From source file:com.foc.vaadin.gui.layouts.FVHorizontal_WYSIWYG_DropHandler.java

License:Apache License

@Override
protected void handleComponentReordering(DragAndDropEvent event) {
    // Component re-ordering
    LayoutBoundTransferable transferable = (LayoutBoundTransferable) event.getTransferable();
    HorizontalLayoutTargetDetails details = (HorizontalLayoutTargetDetails) event.getTargetDetails();
    AbstractOrderedLayout layout = (AbstractOrderedLayout) details.getTarget();
    Component comp = transferable.getComponent();
    int idx = (details).getOverIndex();

    // Detach//from w  w  w . j  a v a2 s.c  o m
    if (layout != null && comp != null)
        layout.removeComponent(comp);
    idx--;

    // Increase index if component is dropped after or above a previous
    // component
    HorizontalDropLocation loc = details.getDropLocation();
    if (loc == HorizontalDropLocation.CENTER || loc == HorizontalDropLocation.RIGHT) {
        idx++;
    }

    if (comp != null) {
        AttributesImpl newAttributes = removeNotNeededAttributes(((FocXMLGuiComponent) comp).getAttributes(),
                (FVLayout) comp.getParent());

        if (newAttributes.getIndex(FXML.ATT_IDX) != -1) {
            newAttributes.setValue(newAttributes.getIndex("idx"), idx + "");
        } else {
            newAttributes.addAttribute("", FXML.ATT_IDX, FXML.ATT_IDX, "CDATA", idx + "");
        }

        ((FocXMLGuiComponent) comp).setAttributes(newAttributes);

        // Add component
        if (layout != null) {
            if (idx >= 0) {
                layout.addComponent(comp, idx);
            } else {
                layout.addComponent(comp);
            }
        }

        if (comp instanceof FVLayout) {
            Globals.logString("Here3");
            ((FVLayout) comp).setDragDrop(true);
        }

        // Add component alignment if given
        if (dropAlignment != null && layout != null && comp != null) {
            layout.setComponentAlignment(comp, dropAlignment);
        }
    }
}

---

From source file:com.foc.vaadin.gui.layouts.FVHorizontal_WYSIWYG_DropHandler.java

License:Apache License

@Override
protected void handleDropFromLayout(DragAndDropEvent event) {
    LayoutBoundTransferable transferable = (LayoutBoundTransferable) event.getTransferable();
    HorizontalLayoutTargetDetails details = (HorizontalLayoutTargetDetails) 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// w  w  w  . j  a  v  a2 s.  c  om
    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.

    ComponentContainer sourceLayout = null;

    if (source instanceof ComponentContainer) {
        sourceLayout = (ComponentContainer) source;
        sourceLayout.removeComponent(comp);
    }

    // Increase index if component is dropped after or above a
    // previous
    // component
    HorizontalDropLocation loc = (details).getDropLocation();

    if (loc == HorizontalDropLocation.CENTER || loc == HorizontalDropLocation.RIGHT) {
        idx++;
    }

    AttributesImpl newAttributes = removeNotNeededAttributes(((FocXMLGuiComponent) comp).getAttributes(),
            (FVLayout) sourceLayout);

    if (newAttributes.getIndex(FXML.ATT_IDX) > -1) {
        newAttributes.setValue(newAttributes.getIndex(FXML.ATT_IDX), idx + "");
    }

    ((FocXMLGuiComponent) comp).setAttributes(newAttributes);

    // 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);
    }
}

---

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

License:Apache License

/**
 * Called when a component changed location within the layout
 * //w  ww  . j a v a 2  s .  co m
 * @param event
 *            The drag and drop event
 */
@Override
protected void handleComponentReordering(DragAndDropEvent event) {
    // Component re-ordering
    LayoutBoundTransferable transferable = (LayoutBoundTransferable) event.getTransferable();
    HorizontalLayoutTargetDetails details = (HorizontalLayoutTargetDetails) 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
    HorizontalDropLocation loc = details.getDropLocation();
    if (loc == HorizontalDropLocation.CENTER || loc == HorizontalDropLocation.RIGHT) {
        idx++;
    }

    // Add component
    if (idx >= 0) {
        layout.addComponent(comp, idx);
    } else {
        layout.addComponent(comp, 0);
    }

    // Add component alignment if given
    if (dropAlignment != null) {
        layout.setComponentAlignment(comp, dropAlignment);
    }
}

---

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

License:Apache License

/**
 * Handle a drop from another layout//from   w w  w .  j a  v  a2  s .c  om
 * 
 * @param event
 *            The drag and drop event
 */
@Override
protected void handleDropFromLayout(DragAndDropEvent event) {
    LayoutBoundTransferable transferable = (LayoutBoundTransferable) event.getTransferable();
    HorizontalLayoutTargetDetails details = (HorizontalLayoutTargetDetails) 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
    HorizontalDropLocation loc = (details).getDropLocation();
    if (loc == HorizontalDropLocation.CENTER || loc == HorizontalDropLocation.RIGHT) {
        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);
    }
}

---

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

License:Apache License

@Override
protected void handleHTML5Drop(DragAndDropEvent event) {
    LayoutBoundTransferable transferable = (LayoutBoundTransferable) event.getTransferable();
    HorizontalLayoutTargetDetails details = (HorizontalLayoutTargetDetails) event.getTargetDetails();
    AbstractOrderedLayout layout = (AbstractOrderedLayout) details.getTarget();
    Component source = event.getTransferable().getSourceComponent();
    int idx = (details).getOverIndex();

    // Increase index if component is dropped after or above a
    // previous component
    HorizontalDropLocation loc = (details).getDropLocation();
    if (loc == HorizontalDropLocation.CENTER || loc == HorizontalDropLocation.RIGHT) {
        idx++;// w  w  w  .java2s .c om
    }

    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);
    }
}

---

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

License:Apache License

/**
 * Returns the horizontal drop location//from   www.java 2s.  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
 *//* w w w .  j av  a 2s  . co 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);

}

---

From source file:com.haulmont.cuba.web.widgets.client.addons.dragdroplayouts.ui.horizontallayout.VDDHorizontalLayout.java

License:Apache License

/**
 * Removes any applies drag and drop style applied by emphasis()
 *///from ww w.  j a va  2 s  .  co m
protected void deEmphasis() {
    if (currentlyEmphasised != null) {
        // Universal over style
        setStyleName(currentlyEmphasised.getElement(), OVER, false);
        setStyleName(currentlyEmphasised.getElement(), OVER_SPACED, false);

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

        currentlyEmphasised = null;
    }
}

---

From source file:com.haulmont.cuba.web.widgets.client.addons.dragdroplayouts.ui.horizontallayout.VDDHorizontalLayout.java

License:Apache License

/**
 * Empasises the drop location of the component when hovering over a
 * hildComponentContainer. Passing null as the container removes any
 * previous emphasis./*from w  ww . j  a  v  a 2  s.c  o  m*/
 * 
 * @param container
 *            The container which we are hovering over
 * @param event
 *            The drag event
 */
protected void emphasis(Widget container, VDragEvent event) {

    // Remove emphasis from previous hovers
    deEmphasis();

    // validate container
    if (container == null || !getElement().isOrHasChild(container.getElement())) {
        return;
    }

    currentlyEmphasised = container;

    HorizontalDropLocation location = null;

    // Add drop location specific style
    if (currentlyEmphasised != this) {
        location = getHorizontalDropLocation(container, event);

    } else {
        location = HorizontalDropLocation.CENTER;
    }

    setStyleName(currentlyEmphasised.getElement(), OVER, true);
    setStyleName(currentlyEmphasised.getElement(), OVER + "-" + location.toString().toLowerCase(), true);
}

---

From source file:com.haulmont.cuba.web.widgets.client.addons.dragdroplayouts.ui.horizontalsplitpanel.VDDHorizontalSplitPanel.java

License:Apache License

/**
 * Updates the drop details while dragging. This is needed to ensure client
 * side criterias can validate the drop location.
 * /*ww  w .  j av a2s . c o  m*/
 * @param event
 *            The drag event
 */
protected void updateDragDetails(VDragEvent event) {
    Element over = event.getElementOver();
    if (over == null) {
        return;
    }

    // Resolve where the drop was made
    HorizontalDropLocation location = null;
    Widget content = null;
    if (firstContainer.isOrHasChild(over)) {
        location = HorizontalDropLocation.LEFT;
        content = Util.findWidget(firstContainer, null);
    } else if (splitter.isOrHasChild(over)) {
        location = HorizontalDropLocation.CENTER;
        content = this;
    } else if (secondContainer.isOrHasChild(over)) {
        location = HorizontalDropLocation.RIGHT;
        content = Util.findWidget(secondContainer, null);
    }

    event.getDropDetails().put(Constants.DROP_DETAIL_HORIZONTAL_DROP_LOCATION, location);

    if (content != null) {
        event.getDropDetails().put(Constants.DROP_DETAIL_OVER_CLASS, content.getClass().getName());
    } else {
        event.getDropDetails().put(Constants.DROP_DETAIL_OVER_CLASS, this.getClass().getName());
    }

    // Add mouse event details
    MouseEventDetails details = MouseEventDetailsBuilder.buildMouseEventDetails(event.getCurrentGwtEvent(),
            getElement());
    event.getDropDetails().put(Constants.DROP_DETAIL_MOUSE_EVENT, details.serialize());
}

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