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.

        super.onBrowserEvent( event );
      }
    };
    filesList.setCellPadding( 1 );
    filesList.setWidth( "100%" );
    AbsolutePanel bounderyPanel = new AbsolutePanel();
    bounderyPanel.add( fp );


    fp.sinkEvents( Event.KEYEVENTS );


    filesListWrapper.add( bounderyPanel );
    fp.getElement().getStyle().setProperty( "margin", "29px 0px 10px 0px" ); //$NON-NLS-1$ //$NON-NLS-2$

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    assertNotNull("Widget exists", w);
    assertEquals("Panel contains widget", w, p.getContent());
  }


  public void testAbsolutePanel() {
    AbsolutePanel p = widgetUi.myAbsolutePanel;
    assertNotNull("Panel exists", p);


    assertEquals("Panel contains exactly 3 widgets", 3, p.getWidgetCount());
    assertEquals("Panel contains expected itemA",
        widgetUi.myAbsolutePanelItemA, p.getWidget(0));
    assertEquals("Panel contains expected itemB",
        widgetUi.myAbsolutePanelItemB, p.getWidget(1));
    assertEquals("Panel contains expected itemC",
        widgetUi.myAbsolutePanelItemC, p.getWidget(2));


    /*
     * The following fails on Safari 3, off by a few pixels. The coverage in
     * AbsolutePanelParserTest and AbsolutePanelTest are enough to make up for
     * the lack. Leaving this here as a warning to the next guy.

View Full Code Here

            panel.setHeight( tn.getHeight() + "px" );


            if ( node instanceof ElementContainerNode ) {


                // Add nodes that are in for each node 
                AbsolutePanel ap = new AbsolutePanel();


                ElementContainerNode fen = (ElementContainerNode) node;


                for ( RuleFlowBaseNode baseNode : fen.getNodes().values() ) {
                    ap.add( baseNode,
                            baseNode.getX(),
                            baseNode.getY() );
                }


                // Add connections that are in for each node
                for ( Connection c : fen.getConnections() ) {
                    c.appendTo( ap );
                }


                ap.add( panel );


                node.add( ap );


            } else {
                node.add( panel );

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    }


    public void showEmptyTree() {


        if ( this.emptyCategories == null ) {
            AbsolutePanel p = new AbsolutePanel();
            p.add( new HTML( constants.NoCategoriesCreatedYetTip() ) );
            Button b = new Button( constants.Refresh() );
            b.addClickHandler( new ClickHandler() {
                public void onClick(ClickEvent event) {
                    refresh();
                }
            } );
            p.add( b );
            p.setStyleName( "small-Text" ); //NON-NLS
            this.emptyCategories = p;
            this.panel.add( this.emptyCategories );
        }
        this.navTreeWidget.setVisible( false );
        emptyCategories.setVisible( true );

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        //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,

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        //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,

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public class PTAbsolutePanel extends PTComplexPanel<AbsolutePanel> {


    @Override
    public void create(final PTInstruction create, final UIService uiService) {
        init(create, uiService, new AbsolutePanel());
    }

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    }


    public void showEmptyTree() {


        if ( this.emptyCategories == null ) {
            AbsolutePanel p = new AbsolutePanel();
            p.add( new HTML( constants.NoCategoriesCreatedYetTip() ) );
            Button b = new Button( constants.Refresh() );
            b.addClickHandler( new ClickHandler() {
                public void onClick(ClickEvent event) {
                    refresh();
                }
            } );
            p.add( b );
            p.setStyleName( "small-Text" ); //NON-NLS
            this.emptyCategories = p;
            this.panel.add( this.emptyCategories );
        }
        this.navTreeWidget.setVisible( false );
        emptyCategories.setVisible( true );

View Full Code Here

   * 
   * @param cssName the style name added to the base name
   * @return a new wrapper element
   */
  private AbsolutePanel createWrapper(String cssName) {
    final AbsolutePanel wrapper = new AbsolutePanel() {
      @Override
      public void onBrowserEvent(Event event) {
        ColumnWidget.this.onBrowserEvent(event);
      }
    };
    final Element wrapperElem = wrapper.getElement();
    DOM.setIntStyleAttribute(wrapperElem, "margin", 0);
    DOM.setIntStyleAttribute(wrapperElem, "border", 0);
    DOM.setIntStyleAttribute(wrapperElem, "padding", 0);
    wrapper.setStyleName(cssName);
    return wrapper;
  }

View Full Code Here

            panel.setHeight( tn.getHeight() + "px" );


            if ( node instanceof ElementContainerNode ) {


                // Add nodes that are in for each node 
                AbsolutePanel ap = new AbsolutePanel();


                ElementContainerNode fen = (ElementContainerNode) node;


                for ( RuleFlowBaseNode baseNode : fen.getNodes().values() ) {
                    ap.add( baseNode,
                            baseNode.getX(),
                            baseNode.getY() );
                }


                // Add connections that are in for each node
                for ( Connection c : fen.getConnections() ) {
                    c.appendTo( ap );
                }


                ap.add( panel );


                node.add( ap );


            } else {
                node.add( panel );

View Full Code Here

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