Examples of com.google.gwt.user.client.ui.AbsolutePanel

com.google.gwt.user.client.ui.AbsolutePanel
An absolute panel positions all of its children absolutely, allowing them to overlap.
Note that this panel will not automatically resize itself to allow enough room for its absolutely-positioned children. It must be explicitly sized in order to make room for them.

Once a widget has been added to an absolute panel, the panel effectively "owns" the positioning of the widget. Any existing positioning attributes on the widget may be modified by the panel.


        //Each Action is a row in a vertical panel
        final VerticalPanel actionsPanel = new VerticalPanel();


        //Wire-up DnD for Actions. All DnD related widgets must be contained in the AbsolutePanel
        AbsolutePanel actionsBoundaryPanel = new AbsolutePanel();
        PickupDragController actionsDragController = new PickupDragController( actionsBoundaryPanel,
                                                                               false );
        actionsDragController.setBehaviorConstrainedToBoundaryPanel( false );
        VerticalPanelDropController actionsDropController = new VerticalPanelDropController( actionsPanel );
        actionsDragController.registerDropController( actionsDropController );


        //Add DnD container to main Conditions container
        actionsBoundaryPanel.add( actionsPanel );
        this.actionsConfigWidget.add( actionsBoundaryPanel );


        //Add a DragHandler to handle the actions resulting from the drag operation
        actionsDragController.addDragHandler( new ActionDragHandler( actionsPanel,
                                                                     model,

View Full Code Here


        //Each Pattern is a row in a vertical panel
        final VerticalPanel patternsPanel = new VerticalPanel();


        //Wire-up DnD for Patterns. All DnD related widgets must be contained in the AbsolutePanel
        AbsolutePanel patternsBoundaryPanel = new AbsolutePanel();
        PickupDragController patternsDragController = new PickupDragController( patternsBoundaryPanel,
                                                                                false );
        patternsDragController.setBehaviorConstrainedToBoundaryPanel( false );
        VerticalPanelDropController widgetDropController = new VerticalPanelDropController( patternsPanel );
        patternsDragController.registerDropController( widgetDropController );


        //Add DnD container to main Conditions container
        conditionsConfigWidget.add( patternsBoundaryPanel );
        patternsBoundaryPanel.add( patternsPanel );


        //Add a DragHandler to handle the actions resulting from the drag operation
        patternsDragController.addDragHandler( new PatternDragHandler( patternsPanel,
                                                                       model,
                                                                       dtable ) );


        List<CompositeColumn<? extends BaseColumn>> columns = model.getConditions();
        boolean arePatternsDraggable = columns.size() > 1 && !isReadOnly;
        for ( CompositeColumn<?> column : columns ) {
            if ( column instanceof Pattern52 ) {
                Pattern52 p = (Pattern52) column;
                VerticalPanel patternPanel = new VerticalPanel();
                VerticalPanel conditionsPanel = new VerticalPanel();
                HorizontalPanel patternHeaderPanel = new HorizontalPanel();
                patternHeaderPanel.setStylePrimaryName( GuidedDecisionTableResources.INSTANCE.css().patternSectionHeader() );
                Label patternLabel = makePatternLabel( p );
                patternHeaderPanel.add( patternLabel );
                patternPanel.add( patternHeaderPanel );
                patternsPanel.add( patternPanel );


                //Wire-up DnD for Conditions. All DnD related widgets must be contained in the AbsolutePanel
                AbsolutePanel conditionsBoundaryPanel = new AbsolutePanel();
                PickupDragController conditionsDragController = new PickupDragController( conditionsBoundaryPanel,
                                                                                          false );
                conditionsDragController.setBehaviorConstrainedToBoundaryPanel( false );
                VerticalPanelDropController conditionsDropController = new VerticalPanelDropController( conditionsPanel );
                conditionsDragController.registerDropController( conditionsDropController );


                //Add DnD container to main Conditions container
                conditionsBoundaryPanel.add( conditionsPanel );
                patternPanel.add( conditionsBoundaryPanel );


                //Add a DragHandler to handle the actions resulting from the drag operation
                conditionsDragController.addDragHandler( new ConditionDragHandler( conditionsPanel,
                                                                                   p,

View Full Code Here

   * Default constructor, it renders a default button with the provided 
   * text when the element is attached.
   */
  public DecoratedFileUpload(String text) {
    impl = GWT.create(DecoratedFileUploadImpl.class);
    container = new AbsolutePanel();
    container.addStyleName(STYLE_CONTAINER);
    initWidget(container);
    impl.init(container, input);
    this.text = text;
  }

View Full Code Here

     * several possible side effects that need to be checked.
     */
    private void calculateBoundaryOffset() {
        assert context.boundaryPanel == getBoundaryPanel();


        AbsolutePanel boundaryPanel = getBoundaryPanel();
        Location widgetLocation = new WidgetLocation(boundaryPanel, null);
        Element boundaryElement = boundaryPanel.getElement();


        int left = widgetLocation.getLeft()
                + DOMUtil.getBorderLeft(boundaryElement);
        int top = widgetLocation.getTop()
                + DOMUtil.getBorderTop(boundaryElement);

View Full Code Here


    @Override
    public void dragStart() {
        super.dragStart();


        AbsolutePanel desktop = context.boundaryPanel;
        Element desktopElement = desktop.getElement();
        desktopWidth = DOMUtil.getClientWidth(desktopElement);
        desktopHeight = DOMUtil.getClientHeight(desktopElement);


        Location desktopLocation = new WidgetLocation(desktop, null);
        desktopOffsetX = desktopLocation.getLeft()

View Full Code Here

        assert hiddenAvatar == null : "hidden avatar was not null "
                + hiddenAvatar;


        // add to desktop - need widget container
        // FIXME use dependency injection
        AbsolutePanel desktopWidget = desktop.asWidget();


        int left = absoluteLeft - desktopWidget.getAbsoluteLeft();
        int top = absoluteTop - desktopWidget.getAbsoluteTop();


        Element span = DOM.createSpan();


        CSS.setPosition(span, CSS.ABSOLUTE);
        CSS.setLocation(span, left, top);
        CSS.setZIndex(span, -1);


        /*
         * XXX using the view item ID as text is problematic, because it is not
         * a good description if there is no aggregation.
         */
        final String text = visualItem.getId();
        hiddenAvatar = new InvisibleResourceSetAvatar(visualItem, text,
                "avatar-resourceSet", ResourceSetAvatarType.SET, span, this);


        span.setClassName("avatar-invisible");


        desktopWidget.add(hiddenAvatar);


        dragController.setDraggable(hiddenAvatar, true);
    }

View Full Code Here

    public void createTransparentDragProxy(final int absoluteLeft,
            final int absoluteTop) {
        createDragWidget(absoluteLeft, absoluteTop);


        // TODO remove code duplication
        AbsolutePanel desktopWidget = desktop.asWidget();
        int left = absoluteLeft - desktopWidget.getAbsoluteLeft() - 5;
        int top = absoluteTop - desktopWidget.getAbsoluteTop() - 5;


        Element element = hiddenAvatar.getElement();


        CSS.setLocation(element, left, top);
        CSS.setSize(element, 10, 10);

View Full Code Here

    maxXPos = this.widthInPixels - HALF_EVENT_WIDTH - EVENT_OFFSET;
    
    // Make eventInsertionHeight one-third of the way down into the widget, rounding down.
    eventInsertionHeight = Math.round(((float) this.heightInPixels) / 3); 


    absolutePanel = new AbsolutePanel();
    absolutePanel.setSize(this.widthInPixels + "px", this.heightInPixels + "px");
    absolutePanel.setStylePrimaryName("timelinePanel");
    
    leftArrow = new Image("/images/inverse-arrowhead-left.gif");
    leftArrow.setStylePrimaryName("disabledArrowHead");

View Full Code Here


        //Each Action is a row in a vertical panel
        final VerticalPanel actionsPanel = new VerticalPanel();


        //Wire-up DnD for Actions. All DnD related widgets must be contained in the AbsolutePanel
        AbsolutePanel actionsBoundaryPanel = new AbsolutePanel();
        PickupDragController actionsDragController = new PickupDragController( actionsBoundaryPanel,
                                                                               false );
        actionsDragController.setBehaviorConstrainedToBoundaryPanel( false );
        VerticalPanelDropController actionsDropController = new VerticalPanelDropController( actionsPanel );
        actionsDragController.registerDropController( actionsDropController );


        //Add DnD container to main Conditions container
        actionsBoundaryPanel.add( actionsPanel );
        this.actionsConfigWidget.add( actionsBoundaryPanel );


        //Add a DragHandler to handle the actions resulting from the drag operation
        actionsDragController.addDragHandler( new ActionDragHandler( actionsPanel,
                                                                     guidedDecisionTable,

View Full Code Here


        //Each Pattern is a row in a vertical panel
        final VerticalPanel patternsPanel = new VerticalPanel();


        //Wire-up DnD for Patterns. All DnD related widgets must be contained in the AbsolutePanel
        AbsolutePanel patternsBoundaryPanel = new AbsolutePanel();
        PickupDragController patternsDragController = new PickupDragController( patternsBoundaryPanel,
                                                                                false );
        patternsDragController.setBehaviorConstrainedToBoundaryPanel( false );
        VerticalPanelDropController widgetDropController = new VerticalPanelDropController( patternsPanel );
        patternsDragController.registerDropController( widgetDropController );


        //Add DnD container to main Conditions container
        conditionsConfigWidget.add( patternsBoundaryPanel );
        patternsBoundaryPanel.add( patternsPanel );


        //Add a DragHandler to handle the actions resulting from the drag operation
        patternsDragController.addDragHandler( new PatternDragHandler( patternsPanel,
                                                                       guidedDecisionTable,
                                                                       dtable ) );


        List<CompositeColumn< ? >> columns = guidedDecisionTable.getConditions();
        boolean arePatternsDraggable = columns.size() > 1 && !isReadOnly;
        for ( CompositeColumn< ? > column : columns ) {
            if ( column instanceof Pattern52 ) {
                Pattern52 p = (Pattern52) column;
                VerticalPanel patternPanel = new VerticalPanel();
                VerticalPanel conditionsPanel = new VerticalPanel();
                HorizontalPanel patternHeaderPanel = new HorizontalPanel();
                patternHeaderPanel.setStylePrimaryName( DecisionTableResources.INSTANCE.style().patternSectionHeader() );
                Label patternLabel = makePatternLabel( p );
                patternHeaderPanel.add( patternLabel );
                patternPanel.add( patternHeaderPanel );
                patternsPanel.add( patternPanel );


                //Wire-up DnD for Conditions. All DnD related widgets must be contained in the AbsolutePanel
                AbsolutePanel conditionsBoundaryPanel = new AbsolutePanel();
                PickupDragController conditionsDragController = new PickupDragController( conditionsBoundaryPanel,
                                                                                          false );
                conditionsDragController.setBehaviorConstrainedToBoundaryPanel( false );
                VerticalPanelDropController conditionsDropController = new VerticalPanelDropController( conditionsPanel );
                conditionsDragController.registerDropController( conditionsDropController );


                //Add DnD container to main Conditions container
                conditionsBoundaryPanel.add( conditionsPanel );
                patternPanel.add( conditionsBoundaryPanel );


                //Add a DragHandler to handle the actions resulting from the drag operation
                conditionsDragController.addDragHandler( new ConditionDragHandler( conditionsPanel,
                                                                                   p,

View Full Code Here

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