Examples of com.vaadin.client.ComponentConnector

com.vaadin.client.ComponentConnector
An interface used by client-side widgets or paintable parts to receive updates from the corresponding server-side components in the form of {@link UIDL}. Updates can be sent back to the server using the {@link ApplicationConnection#updateVariable()} methods.

    };


    private ComponentConnector findConnector(Element element) {
        for (ApplicationConnection a : ApplicationConfiguration
                .getRunningApplications()) {
            ComponentConnector connector = Util.getConnectorForElement(a, a
                    .getUIConnector().getWidget(), element);
            if (connector == null) {
                connector = Util.getConnectorForElement(a, RootPanel.get(),
                        element);
            }

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        if (element != getWidget().getElement()) {
            Slot slot = Util.findWidget(element, Slot.class);
            if (slot != null && slot.getCaptionElement() != null
                    && slot.getParent() == getWidget()
                    && slot.getCaptionElement().isOrHasChild(element)) {
                ComponentConnector connector = Util.findConnectorFor(slot
                        .getWidget());
                if (connector != null) {
                    return connector.getTooltipInfo(element);
                }
            }
        }
        return super.getTooltipInfo(element);
    }

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                    pixelPosition + getSplitterSize(), Unit.PX);


            LayoutManager layoutManager = LayoutManager.get(client);
            ConnectorMap connectorMap = ConnectorMap.get(client);
            if (firstChild != null) {
                ComponentConnector connector = connectorMap
                        .getConnector(firstChild);
                if (connector.isRelativeWidth()) {
                    layoutManager.reportWidthAssignedToRelative(connector,
                            pixelPosition);
                } else {
                    layoutManager.setNeedsMeasure(connector);
                }
            }
            if (secondChild != null) {
                ComponentConnector connector = connectorMap
                        .getConnector(secondChild);
                if (connector.isRelativeWidth()) {
                    layoutManager.reportWidthAssignedToRelative(connector,
                            secondContainerWidth);
                } else {
                    layoutManager.setNeedsMeasure(connector);
                }
            }
            break;
        case VERTICAL:
            wholeSize = DOM.getElementPropertyInt(wrapper, "clientHeight");
            pixelPosition = DOM.getElementPropertyInt(splitter, "offsetTop");


            // reposition splitter in case it is out of box
            if ((pixelPosition > 0 && pixelPosition + getSplitterSize() > wholeSize)
                    || (positionReversed && pixelPosition < 0)) {
                pixelPosition = wholeSize - getSplitterSize();
                if (pixelPosition < 0) {
                    pixelPosition = 0;
                }
                // Move splitter within bounds, but don't remember the new value
                setSplitPosition(pixelPosition + "px", false);
                return;
            }


            firstContainer.getStyle().setHeight(pixelPosition, Unit.PX);
            int secondContainerHeight = (wholeSize - pixelPosition - getSplitterSize());
            if (secondContainerHeight < 0) {
                secondContainerHeight = 0;
            }
            secondContainer.getStyle()
                    .setHeight(secondContainerHeight, Unit.PX);
            secondContainer.getStyle().setTop(
                    pixelPosition + getSplitterSize(), Unit.PX);


            layoutManager = LayoutManager.get(client);
            connectorMap = ConnectorMap.get(client);
            if (firstChild != null) {
                ComponentConnector connector = connectorMap
                        .getConnector(firstChild);
                if (connector.isRelativeHeight()) {
                    layoutManager.reportHeightAssignedToRelative(connector,
                            pixelPosition);
                } else {
                    layoutManager.setNeedsMeasure(connector);
                }
            }
            if (secondChild != null) {
                ComponentConnector connector = connectorMap
                        .getConnector(secondChild);
                if (connector.isRelativeHeight()) {
                    layoutManager.reportHeightAssignedToRelative(connector,
                            secondContainerHeight);
                } else {
                    layoutManager.setNeedsMeasure(connector);
                }

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    @Override
    public void onConnectorHierarchyChange(
            ConnectorHierarchyChangeEvent connectorHierarchyChangeEvent) {
        Widget newFooterWidget = null;
        ComponentConnector footer = getFooter();


        if (footer != null) {
            newFooterWidget = footer.getWidget();
            Widget currentFooter = getWidget().footer;
            if (currentFooter != null) {
                // Remove old listener
                getLayoutManager().removeElementResizeListener(
                        currentFooter.getElement(), footerResizeListener);
            }
            getLayoutManager().addElementResizeListener(
                    newFooterWidget.getElement(), footerResizeListener);
        }
        getWidget().setFooterWidget(newFooterWidget);


        Widget newLayoutWidget = null;
        ComponentConnector newLayout = getLayout();
        if (newLayout != null) {
            newLayoutWidget = newLayout.getWidget();
        }
        getWidget().setLayoutWidget(newLayoutWidget);
    }

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        if (client.hasEventListeners(this, EventId.FOCUS)) {
            client.updateVariable(paintableId, EventId.FOCUS, "", true);
            afterUpdateClientVariables();
        }


        ComponentConnector connector = ConnectorMap.get(client).getConnector(
                this);
        client.getVTooltip().showAssistive(
                connector.getTooltipInfo(getElement()));
    }

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     * Should be called when the width changes or when the icon changes.
     * <p>
     * For internal use only. May be removed or replaced in the future.
     */
    public void updateRootWidth() {
        ComponentConnector paintable = ConnectorMap.get(client).getConnector(
                this);


        if (paintable.isUndefinedWidth()) {


            /*
             * When the select has a undefined with we need to check that we are
             * only setting the text box width relative to the first page width
             * of the items. If this is not done the text box width will change

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        String html = getRowHTML("Id", connector.getConnectorId());
        html += getRowHTML("Connector", Util.getSimpleName(connector));


        if (connector instanceof ComponentConnector) {
            ComponentConnector component = (ComponentConnector) connector;


            ignoreProperties.addAll(Arrays.asList("caption", "description",
                    "width", "height"));


            AbstractComponentState componentState = component.getState();


            html += getRowHTML("Widget",
                    Util.getSimpleName(component.getWidget()));
            html += getRowHTML("Caption", componentState.caption);
            html += getRowHTML("Description", componentState.description);
            html += getRowHTML("Width", componentState.width + " (actual: "
                    + component.getWidget().getOffsetWidth() + "px)");
            html += getRowHTML("Height", componentState.height + " (actual: "
                    + component.getWidget().getOffsetHeight() + "px)");
        }


        try {
            JsArrayObject<Property> properties = AbstractConnector
                    .getStateType(connector).getPropertiesAsArray();

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            final Label errorDetails = new Label(Util.getSimpleName(connector)
                    + "[" + connector.getConnectorId() + "]" + " inside "
                    + Util.getSimpleName(parent));


            if (parent instanceof ComponentConnector) {
                final ComponentConnector parentConnector = (ComponentConnector) parent;
                if (!parents.contains(parentId)) {
                    parents.add(parentId);
                    Highlight.show(parentConnector, "yellow");
                }

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    private void printLayoutError(ApplicationConnection ac, ValueMap valueMap,
            SimpleTree root) {
        final String pid = valueMap.getString("id");


        // find connector
        final ComponentConnector connector = (ComponentConnector) ConnectorMap
                .get(ac).getConnector(pid);


        if (connector == null) {
            root.add(new SimpleTree("[" + pid + "] NOT FOUND"));
            return;

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     * 
     * @return widget of the only/first connector of the container, null if no
     *         content or if there is no widget for the connector
     */
    protected Widget getContentWidget() {
        ComponentConnector content = getContent();
        if (null != content) {
            return content.getWidget();
        } else {
            return null;
        }
    }

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com.vaadin.client.ui.AbstractSingleComponentContainerConnector

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com.vaadin.client.ui.customcomponent.CustomComponentConnector

com.vaadin.client.ui.customfield.CustomFieldConnector

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