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DragGridElement.java
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DragGridElement.java
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package org.uberfire.ext.layout.editor.client.dnd;
import com.github.gwtbootstrap.client.ui.InputAddOn;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.DragStartEvent;
import com.google.gwt.event.dom.client.DragStartHandler;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.client.Element;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.Widget;
import org.uberfire.ext.layout.editor.client.resources.i18n.CommonConstants;
import org.uberfire.ext.layout.editor.client.components.GridLayoutDragComponent;
import org.uberfire.ext.layout.editor.client.components.InternalDragComponent;
import org.uberfire.ext.layout.editor.client.components.LayoutDragComponent;
public class DragGridElement extends Composite {
private LayoutDragComponent type;
@UiField
InputAddOn move;
public DragGridElement( LayoutDragComponent type ) {
initWidget( uiBinder.createAndBindUi( this ) );
this.type = type;
build();
}
private void build() {
createComponentWidget();
createMoveIcon( type );
}
private void createMoveIcon( final LayoutDragComponent type ) {
move.setTitle( CommonConstants.INSTANCE.DragAndDrop() );
move.addDomHandler( new DragStartHandler() {
@Override
public void onDragStart( DragStartEvent event ) {
createDragStart( event, type );
}
}, DragStartEvent.getType() );
move.getElement().setDraggable( Element.DRAGGABLE_TRUE );
}
void createDragStart( DragStartEvent event,
LayoutDragComponent type ) {
event.setData( DndData.FORMAT, DndData.generateData( type ) );
event.getDataTransfer().setDragImage( move.getElement(), 10, 10 );
}
private void createComponentWidget() {
move.add( type.getDragWidget() );
}
interface MyUiBinder extends UiBinder<Widget, DragGridElement> {
}
private static MyUiBinder uiBinder = GWT.create( MyUiBinder.class );
}