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

com.google.gwt.user.client.ui.Widget
The base class for the majority of user-interface objects. Widget adds support for receiving events from the browser and being added directly to {@link com.google.gwt.user.client.ui.Panel panels}.

    public void onMouseUp(MouseUpEvent event) {
        if (event.getNativeButton() != NativeEvent.BUTTON_LEFT) {
            return;
        }


        Widget w = (Widget) event.getSource();
        if (moveRegistration != null) {
            Event.releaseCapture(getElement());
            moveRegistration.removeHandler();
            moveRegistration = null;
            keyDownHandler.removeHandler();

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        if (calendar.isDisabled()
                || event.getNativeButton() != NativeEvent.BUTTON_LEFT) {
            return;
        }


        Widget w = (Widget) event.getSource();
        clickedWidget = w;


        if (w instanceof MonthEventLabel) {
            // event clicks should be allowed even when read-only
            monthEventMouseDown = true;

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        int widgetCount = getWidgetCount();
        if (widgetCount <= 0) {
            return;
        }
        if (isWidthUndefined()) {
            Widget widget = getWidget(0);
            String w = widget.getElement().getStyle().getWidth();
            if (w.length() > 2) {
                cellw = Integer.parseInt(w.substring(0, w.length() - 2));
            }
        } else {
            cellw = width / getWidgetCount();
        }
        if (cellw > 0) {
            for (int i = 0; i < getWidgetCount(); i++) {
                Widget widget = getWidget(i);
                setCellWidth(widget, cellw + "px");
            }
        }
    }

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     */
    public void showSavedContextMenu(ContextMenuDetails savedContextMenu) {
        if (isEnabled() && savedContextMenu != null) {
            Iterator<Widget> iterator = getWidget().scrollBody.iterator();
            while (iterator.hasNext()) {
                Widget w = iterator.next();
                VScrollTableRow row = (VScrollTableRow) w;
                if (row.getKey().equals(savedContextMenu.rowKey)) {
                    row.showContextMenu(savedContextMenu.left,
                            savedContextMenu.top);
                }

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    }


    @Override
    public TooltipInfo getTooltipInfo(com.google.gwt.dom.client.Element element) {
        TooltipInfo tooltipInfo = null;
        Widget w = Util.findWidget(element, null);
        if (w instanceof HasTooltipKey) {
            tooltipInfo = GWT.create(TooltipInfo.class);
            String title = tooltips.get(((HasTooltipKey) w).getTooltipKey());
            tooltipInfo.setTitle(title != null ? title : "");
        }

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     * @param index
     *            the index of the widget to be shown
     */
    public void showWidget(int index) {
        checkIndexBoundsForAccess(index);
        Widget newVisible = getWidget(index);
        if (visibleWidget != newVisible) {
            if (visibleWidget != null) {
                hide(DOM.getParent(visibleWidget.getElement()));
            }
            visibleWidget = newVisible;

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        SimplePanel trees = new SimplePanel();


        for (ApplicationConnection application : ApplicationConfiguration
                .getRunningApplications()) {
            ServerConnector uiConnector = application.getUIConnector();
            Widget connectorTree = buildConnectorTree(uiConnector, openNodes);


            trees.add(connectorTree);
        }


        add(trees);

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            FastStringSet openNodes) {
        String connectorString = Util.getConnectorString(connector);


        List<ServerConnector> children = connector.getChildren();


        Widget widget;
        if (children == null || children.isEmpty()) {
            // Leaf node, just add a label
            Label label = new Label(connectorString);
            label.addClickHandler(new ClickHandler() {
                @Override

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        int highestRelative = -1;


        LayoutManager layoutManager = getLayoutManager();


        for (ComponentConnector child : getChildComponents()) {
            Widget childWidget = child.getWidget();
            Slot slot = getWidget().getSlot(childWidget);
            Element captionElement = slot.getCaptionElement();
            CaptionPosition captionPosition = slot.getCaptionPosition();


            int pixelHeight = layoutManager.getOuterHeight(childWidget
                    .getElement());
            if (pixelHeight == -1) {
                // Height has not yet been measured -> postpone actions that
                // depend on the max height
                return -1;

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     * @see com.vaadin.client.HasComponentsConnector#updateCaption(com.vaadin
     * .client.ComponentConnector)
     */
    @Override
    public void updateCaption(ComponentConnector child) {
        Widget childWidget = child.getWidget();
        int widgetPosition = getWidget().getWidgetIndex(childWidget);


        String childId = child.getConnectorId();
        VCaption caption = childIdToCaption.get(childId);
        if (VCaption.isNeeded(child.getState())) {

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