Example usage for com.vaadin.client ComponentConnector getState

List of usage examples for com.vaadin.client ComponentConnector getState

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Introduction

In this page you can find the example usage for com.vaadin.client ComponentConnector getState.

Prototype

@Override
    public AbstractComponentState getState();

Source Link

Usage

From source file:com.haulmont.cuba.web.toolkit.ui.client.caption.CubaCaptionWidget.java

License:Apache License

@Override
public boolean updateCaption() {
    ComponentConnector owner = getOwner();

    /* CAUTION copied from super class with small changes */
    boolean wasPlacedAfterComponent = placedAfterComponent;

    // Caption is placed after component unless there is some part which
    // moves it above.
    placedAfterComponent = captionPlacedAfterComponentByDefault;

    String style = CLASSNAME;/*from w  w w .  j  a v  a2  s  .  c o  m*/
    if (ComponentStateUtil.hasStyles(owner.getState())) {
        for (String customStyle : owner.getState().styles) {
            style += " " + CLASSNAME + "-" + customStyle;
        }
    }
    if (!owner.isEnabled()) {
        style += " " + StyleConstants.DISABLED;
    }
    setStyleName(style);

    boolean hasIcon = owner.getState().resources.containsKey(ComponentConstants.ICON_RESOURCE);
    boolean showRequired = false;
    boolean showError = owner.getState().errorMessage != null;
    if (owner.getState() instanceof AbstractFieldState) {
        AbstractFieldState abstractFieldState = (AbstractFieldState) owner.getState();
        showError = showError && !abstractFieldState.hideErrors;
    }
    if (owner instanceof AbstractFieldConnector) {
        showRequired = ((AbstractFieldConnector) owner).isRequired();
    }

    if (icon != null) {
        getElement().removeChild(icon.getElement());
        icon = null;
    }
    if (hasIcon) {
        String uri = owner.getState().resources.get(ComponentConstants.ICON_RESOURCE).getURL();

        icon = getOwner().getConnection().getIcon(uri);

        if (icon instanceof ImageIcon) {
            // onload will set appropriate size later
            icon.setWidth("0");
            icon.setHeight("0");
        }

        DOM.insertChild(getElement(), icon.getElement(), getInsertPosition(InsertPosition.ICON));

        // Icon forces the caption to be above the component
        placedAfterComponent = false;
    }

    if (owner.getState().caption != null) {
        // A caption text should be shown if the attribute is set
        // If the caption is null the ATTRIBUTE_CAPTION should not be set to
        // avoid ending up here.

        if (captionText == null) {
            captionText = DOM.createDiv();
            captionText.setClassName("v-captiontext");

            DOM.insertChild(getElement(), captionText, getInsertPosition(InsertPosition.CAPTION));
        }

        // Update caption text
        String c = owner.getState().caption;
        // A text forces the caption to be above the component.
        placedAfterComponent = false;
        if (c == null || c.trim().equals("")) {
            // Not sure if c even can be null. Should not.

            // This is required to ensure that the caption uses space in all
            // browsers when it is set to the empty string. If there is an
            // icon, error indicator or required indicator they will ensure
            // that space is reserved.
            if (!hasIcon && !showRequired && !showError) {
                captionText.setInnerHTML(" ");
            }
        } else {
            setCaptionText(captionText, owner.getState());
        }

    } else if (captionText != null) {
        // Remove existing
        getElement().removeChild(captionText);
        captionText = null;
    }

    if (ComponentStateUtil.hasDescription(owner.getState()) && captionText != null) {
        addStyleDependentName("hasdescription");
    } else {
        removeStyleDependentName("hasdescription");
    }

    AriaHelper.handleInputRequired(owner.getWidget(), showRequired);

    if (showRequired) {
        if (requiredFieldIndicator == null) {
            requiredFieldIndicator = DOM.createDiv();
            requiredFieldIndicator.setClassName("v-required-field-indicator");
            requiredFieldIndicator.setInnerText("*");

            DOM.insertChild(getElement(), requiredFieldIndicator, getInsertPosition(InsertPosition.REQUIRED));

            // Hide the required indicator from assistive device
            Roles.getTextboxRole().setAriaHiddenState(requiredFieldIndicator, true);
        }
    } else if (requiredFieldIndicator != null) {
        // Remove existing
        requiredFieldIndicator.removeFromParent();
        requiredFieldIndicator = null;
    }

    if (isContextHelpIconEnabled(owner.getState())) {
        if (contextHelpIndicatorElement == null) {
            contextHelpIndicatorElement = DOM.createDiv();
            contextHelpIndicatorElement.setClassName(CONTEXT_HELP_CLASSNAME);

            DOM.insertChild(getElement(), contextHelpIndicatorElement, getContextHelpInsertPosition());

            if (clickHandlerRegistration == null) {
                clickHandlerRegistration = addClickHandler(this);
            }
        }
    } else {
        if (contextHelpIndicatorElement != null) {
            contextHelpIndicatorElement.removeFromParent();
            contextHelpIndicatorElement = null;
        }

        if (clickHandlerRegistration != null) {
            clickHandlerRegistration.removeHandler();
            clickHandlerRegistration = null;
        }
    }

    AriaHelper.handleInputInvalid(owner.getWidget(), showError);

    if (showError) {
        if (errorIndicatorElement == null) {
            errorIndicatorElement = DOM.createDiv();

            errorIndicatorElement.setInnerHTML(" ");
            errorIndicatorElement.setClassName("v-errorindicator");

            DOM.insertChild(getElement(), errorIndicatorElement, getInsertPosition(InsertPosition.ERROR));

            // Hide error indicator from assistive devices
            Roles.getTextboxRole().setAriaHiddenState(errorIndicatorElement, true);
        }
    } else if (errorIndicatorElement != null) {
        // Remove existing
        errorIndicatorElement.removeFromParent();
        errorIndicatorElement = null;
    }

    addStyleName(CLASSNAME);

    if (captionHolder != null) {
        captionHolder.captionUpdated(this);
    }
    return (wasPlacedAfterComponent != placedAfterComponent);
}

From source file:com.haulmont.cuba.web.toolkit.ui.client.cssactionslayout.CubaCssActionsLayoutConnector.java

License:Apache License

@Override
protected boolean isCaptionNeeded(ComponentConnector child) {
    AbstractComponentState state = child.getState();
    return super.isCaptionNeeded(child)
            || (state instanceof AbstractFieldState && ((AbstractFieldState) state).contextHelpText != null
                    && !((AbstractFieldState) state).contextHelpText.isEmpty());
}

From source file:com.haulmont.cuba.web.toolkit.ui.client.fieldgrouplayout.CubaFieldGroupLayoutComponentSlot.java

License:Apache License

@Override
public void onBrowserEvent(Event event) {
    if (DOM.eventGetType(event) == Event.ONCLICK) {
        Element target = Element.as(event.getEventTarget());
        ComponentConnector componentConnector = Util.findConnectorFor(getWidget());
        if (target == contextHelpIndicatorElement && componentConnector instanceof HasContextHelpConnector) {
            HasContextHelpConnector connector = (HasContextHelpConnector) componentConnector;
            if (hasContextHelpIconListeners(componentConnector.getState())) {
                connector.contextHelpIconClick(event);
            }//from   w ww .  j  av  a2s .c  o m
        }
    }
}

From source file:com.haulmont.cuba.web.toolkit.ui.client.gridlayout.CubaGridLayoutConnector.java

License:Apache License

@Override
public void updateCaption(ComponentConnector childConnector) {
    // CAUTION copied from GridLayoutConnector.updateCaption(ComponentConnector childConnector)
    VGridLayout layout = getWidget();/*from  w w  w  . j a  v  a  2s.  c  om*/
    VGridLayout.Cell cell = layout.widgetToCell.get(childConnector.getWidget());
    AbstractComponentState state = childConnector.getState();
    if (VCaption.isNeeded(state) || isContextHelpIconEnabled(state)) {
        VLayoutSlot layoutSlot = cell.slot;
        VCaption caption = layoutSlot.getCaption();
        if (caption == null) {
            // use our own caption widget
            caption = new CubaCaptionWidget(childConnector, getConnection());

            setDefaultCaptionParameters((CubaCaptionWidget) caption);

            Widget widget = childConnector.getWidget();

            layout.setCaption(widget, caption);
        }
        caption.updateCaption();
    } else {
        layout.setCaption(childConnector.getWidget(), null);
        getLayoutManager().setNeedsLayout(this);
    }
}

From source file:com.haulmont.cuba.web.toolkit.ui.client.orderedactionslayout.CubaOrderedActionsLayoutConnector.java

License:Apache License

@Override
protected void updateCaptionInternal(ComponentConnector child) {
    // CAUTION copied from superclass
    CubaOrderedLayoutSlot slot = (CubaOrderedLayoutSlot) getWidget().getSlot(child.getWidget());

    String caption = child.getState().caption;
    URLReference iconUrl = child.getState().resources.get(ComponentConstants.ICON_RESOURCE);
    String iconUrlString = iconUrl != null ? iconUrl.getURL() : null;
    Icon icon = child.getConnection().getIcon(iconUrlString);

    List<String> styles = child.getState().styles;
    String error = child.getState().errorMessage;
    boolean showError = error != null;
    if (child.getState() instanceof AbstractFieldState) {
        AbstractFieldState abstractFieldState = (AbstractFieldState) child.getState();
        showError = showError && !abstractFieldState.hideErrors;
    }//ww w  . j  a  v a 2 s  .  co  m
    boolean required = false;
    if (child instanceof AbstractFieldConnector) {
        required = ((AbstractFieldConnector) child).isRequired();
    }
    boolean enabled = child.isEnabled();

    if (slot.hasCaption() && null == caption) {
        slot.setCaptionResizeListener(null);
    }

    // Haulmont API
    boolean contextHelpIconEnabled = isContextHelpIconEnabled(child.getState());

    // Haulmont API
    slot.setCaption(caption, contextHelpIconEnabled, icon, styles, error, showError, required, enabled,
            child.getState().captionAsHtml);

    AriaHelper.handleInputRequired(child.getWidget(), required);
    AriaHelper.handleInputInvalid(child.getWidget(), showError);
    AriaHelper.bindCaption(child.getWidget(), slot.getCaptionElement());

    if (slot.hasCaption()) {
        CaptionPosition pos = slot.getCaptionPosition();
        slot.setCaptionResizeListener(slotCaptionResizeListener);
        if (child.isRelativeHeight() && (pos == CaptionPosition.TOP || pos == CaptionPosition.BOTTOM)) {
            getWidget().updateCaptionOffset(slot.getCaptionElement());
        } else if (child.isRelativeWidth() && (pos == CaptionPosition.LEFT || pos == CaptionPosition.RIGHT)) {
            getWidget().updateCaptionOffset(slot.getCaptionElement());
        }
    }
}

From source file:com.haulmont.cuba.web.toolkit.ui.client.orderedactionslayout.CubaOrderedLayoutSlot.java

License:Apache License

@Override
public void onClick(ClickEvent event) {
    Element target = Element.as(event.getNativeEvent().getEventTarget());
    ComponentConnector componentConnector = Util.findConnectorFor(getWidget());

    if (target == contextHelpIcon && componentConnector instanceof HasContextHelpConnector) {
        HasContextHelpConnector connector = (HasContextHelpConnector) componentConnector;
        if (hasContextHelpIconListeners(componentConnector.getState())) {
            connector.contextHelpIconClick(event);
        }/* w  ww. java2  s .c  o  m*/
    }
}

From source file:com.haulmont.cuba.web.widgets.client.caption.CubaCaptionWidget.java

License:Apache License

@Override
public boolean updateCaption() {
    ComponentConnector owner = getOwner();

    // CAUTION copied from super class with small changes
    boolean wasPlacedAfterComponent = placedAfterComponent;

    // Caption is placed after component unless there is some part which
    // moves it above.
    placedAfterComponent = captionPlacedAfterComponentByDefault;

    String style = CLASSNAME;/* w  ww . j  a v  a 2 s  .c  o  m*/
    if (ComponentStateUtil.hasStyles(owner.getState())) {
        for (String customStyle : owner.getState().styles) {
            style += " " + CLASSNAME + "-" + customStyle;
        }
    }
    if (!owner.isEnabled()) {
        style += " " + StyleConstants.DISABLED;
    }
    setStyleName(style);

    boolean hasIcon = owner.getState().resources.containsKey(ComponentConstants.ICON_RESOURCE);
    boolean showRequired = false;
    boolean showError = owner.getState().errorMessage != null;
    if (owner.getState() instanceof AbstractFieldState) {
        AbstractFieldState abstractFieldState = (AbstractFieldState) owner.getState();
        showError = showError && !abstractFieldState.hideErrors;
    }
    if (owner instanceof AbstractFieldConnector) {
        showRequired = ((AbstractFieldConnector) owner).isRequired();
    }

    if (icon != null) {
        getElement().removeChild(icon.getElement());
        icon = null;
    }
    if (hasIcon) {
        String uri = owner.getState().resources.get(ComponentConstants.ICON_RESOURCE).getURL();

        icon = getOwner().getConnection().getIcon(uri);

        if (icon instanceof ImageIcon) {
            // onload will set appropriate size later
            icon.setWidth("0");
            icon.setHeight("0");
        }

        DOM.insertChild(getElement(), icon.getElement(), getInsertPosition(InsertPosition.ICON));

        // Icon forces the caption to be above the component
        placedAfterComponent = false;
    }

    if (owner.getState().caption != null) {
        // A caption text should be shown if the attribute is set
        // If the caption is null the ATTRIBUTE_CAPTION should not be set to
        // avoid ending up here.

        if (captionText == null) {
            captionText = DOM.createDiv();
            captionText.setClassName("v-captiontext");

            DOM.insertChild(getElement(), captionText, getInsertPosition(InsertPosition.CAPTION));
        }

        // Update caption text
        String c = owner.getState().caption;
        // A text forces the caption to be above the component.
        placedAfterComponent = false;
        if (c == null || c.trim().equals("")) {
            // Not sure if c even can be null. Should not.

            // This is required to ensure that the caption uses space in all
            // browsers when it is set to the empty string. If there is an
            // icon, error indicator or required indicator they will ensure
            // that space is reserved.
            if (!hasIcon && !showRequired && !showError) {
                captionText.setInnerHTML("&nbsp;");
            }
        } else {
            setCaptionText(captionText, owner.getState());
        }

    } else if (captionText != null) {
        // Remove existing
        getElement().removeChild(captionText);
        captionText = null;
    }

    if (ComponentStateUtil.hasDescription(owner.getState()) && captionText != null) {
        addStyleDependentName("hasdescription");
    } else {
        removeStyleDependentName("hasdescription");
    }

    AriaHelper.handleInputRequired(owner.getWidget(), showRequired);

    if (showRequired) {
        if (requiredFieldIndicator == null) {
            requiredFieldIndicator = DOM.createDiv();
            requiredFieldIndicator.setClassName("v-required-field-indicator");
            requiredFieldIndicator.setInnerText("*");

            DOM.insertChild(getElement(), requiredFieldIndicator, getInsertPosition(InsertPosition.REQUIRED));

            // Hide the required indicator from assistive device
            Roles.getTextboxRole().setAriaHiddenState(requiredFieldIndicator, true);
        }
    } else if (requiredFieldIndicator != null) {
        // Remove existing
        requiredFieldIndicator.removeFromParent();
        requiredFieldIndicator = null;
    }

    if (isContextHelpIconEnabled(owner.getState())) {
        if (contextHelpIndicatorElement == null) {
            contextHelpIndicatorElement = DOM.createDiv();
            contextHelpIndicatorElement.setClassName(CONTEXT_HELP_CLASSNAME);

            if (hasContextHelpIconListeners(owner.getState())) {
                contextHelpIndicatorElement.addClassName(CONTEXT_HELP_CLICKABLE_CLASSNAME);
            }

            DOM.insertChild(getElement(), contextHelpIndicatorElement, getContextHelpInsertPosition());

            if (clickHandlerRegistration == null) {
                clickHandlerRegistration = addClickHandler(this);
            }
        }
    } else {
        if (contextHelpIndicatorElement != null) {
            contextHelpIndicatorElement.removeFromParent();
            contextHelpIndicatorElement = null;
        }

        if (clickHandlerRegistration != null) {
            clickHandlerRegistration.removeHandler();
            clickHandlerRegistration = null;
        }
    }

    AriaHelper.handleInputInvalid(owner.getWidget(), showError);

    if (showError) {
        if (errorIndicatorElement == null) {
            errorIndicatorElement = DOM.createDiv();

            errorIndicatorElement.setInnerHTML("&nbsp;");
            errorIndicatorElement.setClassName("v-errorindicator");

            DOM.insertChild(getElement(), errorIndicatorElement, getInsertPosition(InsertPosition.ERROR));

            // Hide error indicator from assistive devices
            Roles.getTextboxRole().setAriaHiddenState(errorIndicatorElement, true);
        }
    } else if (errorIndicatorElement != null) {
        // Remove existing
        errorIndicatorElement.removeFromParent();
        errorIndicatorElement = null;
    }

    addStyleName(CLASSNAME);

    if (captionHolder != null) {
        captionHolder.captionUpdated(this);
    }
    return (wasPlacedAfterComponent != placedAfterComponent);
}

From source file:com.haulmont.cuba.web.widgets.client.gridlayout.CubaGridLayoutConnector.java

License:Apache License

@Override
public void updateCaption(ComponentConnector childConnector) {
    // CAUTION copied from GridLayoutConnector.updateCaption(ComponentConnector childConnector)
    VGridLayout layout = getWidget();//from   www  .j a  v  a2  s  .  com
    VGridLayout.Cell cell = layout.widgetToCell.get(childConnector.getWidget());
    AbstractComponentState state = childConnector.getState();
    if (VCaption.isNeeded(childConnector) || isContextHelpIconEnabled(state)) {
        VLayoutSlot layoutSlot = cell.slot;
        VCaption caption = layoutSlot.getCaption();
        if (caption == null) {
            // use our own caption widget
            caption = new CubaCaptionWidget(childConnector, getConnection());

            setDefaultCaptionParameters((CubaCaptionWidget) caption);

            Widget widget = childConnector.getWidget();

            layout.setCaption(widget, caption);
        }
        caption.updateCaption();
    } else {
        layout.setCaption(childConnector.getWidget(), null);
        getLayoutManager().setNeedsLayout(this);
    }
}

From source file:com.haulmont.cuba.web.widgets.client.orderedactionslayout.CubaOrderedActionsLayoutConnector.java

License:Apache License

@Override
protected void updateCaptionInternal(ComponentConnector child) {
    // CAUTION copied from superclass
    CubaOrderedLayoutSlot slot = (CubaOrderedLayoutSlot) getWidget().getSlot(child.getWidget());

    String caption = child.getState().caption;
    URLReference iconUrl = child.getState().resources.get(ComponentConstants.ICON_RESOURCE);
    String iconUrlString = iconUrl != null ? iconUrl.getURL() : null;
    Icon icon = child.getConnection().getIcon(iconUrlString);

    List<String> styles = child.getState().styles;
    String error = child.getState().errorMessage;
    boolean showError = error != null;
    if (child.getState() instanceof AbstractFieldState) {
        AbstractFieldState abstractFieldState = (AbstractFieldState) child.getState();
        // vaadin8 rework
        //            showError = showError && !abstractFieldState.hideErrors;
    }//from w w  w  .j  a  v  a 2 s  .co m
    boolean required = false;
    if (child instanceof AbstractFieldConnector) {
        required = ((AbstractFieldConnector) child).isRequiredIndicatorVisible();
    }
    boolean enabled = child.isEnabled();

    if (slot.hasCaption() && null == caption) {
        slot.setCaptionResizeListener(null);
    }

    // Haulmont API
    boolean contextHelpIconEnabled = isContextHelpIconEnabled(child.getState());

    // Haulmont API
    slot.setCaption(caption, contextHelpIconEnabled, icon, styles, error, showError, required, enabled,
            child.getState().captionAsHtml);

    AriaHelper.handleInputRequired(child.getWidget(), required);
    AriaHelper.handleInputInvalid(child.getWidget(), showError);
    AriaHelper.bindCaption(child.getWidget(), slot.getCaptionElement());

    if (slot.hasCaption()) {
        CaptionPosition pos = slot.getCaptionPosition();
        slot.setCaptionResizeListener(slotCaptionResizeListener);
        if (child.isRelativeHeight() && (pos == CaptionPosition.TOP || pos == CaptionPosition.BOTTOM)) {
            getWidget().updateCaptionOffset(slot.getCaptionElement());
        } else if (child.isRelativeWidth() && (pos == CaptionPosition.LEFT || pos == CaptionPosition.RIGHT)) {
            getWidget().updateCaptionOffset(slot.getCaptionElement());
        }
    }
}

From source file:com.haulmont.cuba.web.widgets.client.orderedactionslayout.CubaOrderedLayoutSlot.java

License:Apache License

public void setCaption(String captionText, boolean contextHelpIconEnabled, Icon icon, List<String> styles,
        String error, boolean showError, boolean required, boolean enabled, boolean captionAsHtml) {
    // CAUTION copied from super
    // Caption wrappers
    Widget widget = getWidget();/*from  w  w w.j  ava 2  s  .co  m*/
    final Element focusedElement = WidgetUtil.getFocusedElement();
    // By default focus will not be lost
    boolean focusLost = false;
    if (captionText != null || icon != null || error != null || required || contextHelpIconEnabled) {
        if (caption == null) {
            caption = DOM.createDiv();
            captionWrap = DOM.createDiv();
            captionWrap.addClassName(StyleConstants.UI_WIDGET);
            captionWrap.addClassName("v-has-caption");
            getElement().appendChild(captionWrap);
            orphan(widget);
            captionWrap.appendChild(widget.getElement());
            adopt(widget);

            // Made changes to DOM. Focus can be lost if it was in the
            // widget.
            focusLost = (focusedElement == null ? false : widget.getElement().isOrHasChild(focusedElement));
        }
    } else if (caption != null) {
        orphan(widget);
        getElement().appendChild(widget.getElement());
        adopt(widget);
        captionWrap.removeFromParent();
        caption = null;
        captionWrap = null;

        // Made changes to DOM. Focus can be lost if it was in the widget.
        focusLost = (focusedElement == null ? false : widget.getElement().isOrHasChild(focusedElement));
    }

    // Caption text
    if (captionText != null) {
        if (this.captionText == null) {
            this.captionText = DOM.createSpan();
            this.captionText.addClassName("v-captiontext");

            if (caption != null) {
                caption.appendChild(this.captionText);
            }
        }
        if (captionText.trim().equals("")) {
            this.captionText.setInnerHTML("&nbsp;");
        } else {
            if (captionAsHtml) {
                this.captionText.setInnerHTML(captionText);
            } else {
                this.captionText.setInnerText(captionText);
            }
        }
    } else if (this.captionText != null) {
        this.captionText.removeFromParent();
        this.captionText = null;
    }

    // Icon
    if (this.icon != null) {
        this.icon.getElement().removeFromParent();
    }
    if (icon != null) {
        if (caption != null) {
            caption.insertFirst(icon.getElement());
        }
    }
    this.icon = icon;

    // Required
    if (required) {
        if (requiredIcon == null) {
            requiredIcon = DOM.createSpan();
            // TODO decide something better (e.g. use CSS to insert the
            // character)
            requiredIcon.setInnerHTML("*");
            requiredIcon.setClassName("v-required-field-indicator");

            // The star should not be read by the screen reader, as it is
            // purely visual. Required state is set at the element level for
            // the screen reader.
            Roles.getTextboxRole().setAriaHiddenState(requiredIcon, true);
        }
        if (caption != null) {
            caption.appendChild(requiredIcon);
        }
    } else if (requiredIcon != null) {
        requiredIcon.removeFromParent();
        requiredIcon = null;
    }

    // Context Help
    // Haulmont API
    if (contextHelpIconEnabled) {
        if (contextHelpIcon == null) {
            contextHelpIcon = DOM.createSpan();
            // TODO decide something better (e.g. use CSS to insert the character)
            contextHelpIcon.setInnerHTML("?");
            contextHelpIcon.setClassName(CONTEXT_HELP_CLASSNAME);

            ComponentConnector componentConnector = Util.findConnectorFor(widget);
            if (hasContextHelpIconListeners(componentConnector.getState())) {
                contextHelpIcon.addClassName(CONTEXT_HELP_CLICKABLE_CLASSNAME);
            }

            // The question mark should not be read by the screen reader, as it is
            // purely visual. Required state is set at the element level for
            // the screen reader.
            Roles.getTextboxRole().setAriaHiddenState(contextHelpIcon, true);
        }
        if (caption != null) {
            caption.appendChild(contextHelpIcon);

            if (clickHandlerRegistration == null) {
                clickHandlerRegistration = addDomHandler(this, ClickEvent.getType());
            }
        }
    } else {
        if (this.contextHelpIcon != null) {
            this.contextHelpIcon.removeFromParent();
            this.contextHelpIcon = null;
        }

        if (clickHandlerRegistration != null) {
            clickHandlerRegistration.removeHandler();
            clickHandlerRegistration = null;
        }
    }

    // Error
    if (error != null && showError) {
        if (errorIcon == null) {
            errorIcon = DOM.createSpan();
            errorIcon.setClassName("v-errorindicator");
        }
        if (caption != null) {
            caption.appendChild(errorIcon);
        }
    } else if (errorIcon != null) {
        errorIcon.removeFromParent();
        errorIcon = null;
    }

    if (caption != null) {
        // Styles
        caption.setClassName("v-caption");

        if (styles != null) {
            for (String style : styles) {
                caption.addClassName("v-caption-" + style);
            }
        }

        if (enabled) {
            caption.removeClassName("v-disabled");
        } else {
            caption.addClassName("v-disabled");
        }

        // Caption position
        if (captionText != null || icon != null) {
            setCaptionPosition(CaptionPosition.TOP);
        } else {
            setCaptionPosition(CaptionPosition.RIGHT);
        }
    }

    if (focusLost) {
        // Find out what element is currently focused.
        Element currentFocus = WidgetUtil.getFocusedElement();
        if (currentFocus != null && currentFocus.equals(Document.get().getBody())) {
            // Focus has moved to BodyElement and should be moved back to
            // original location. This happened because of adding or
            // removing the captionWrap
            focusedElement.focus();
        } else if (currentFocus != focusedElement) {
            // Focus is either moved somewhere else on purpose or IE has
            // lost it. Investigate further.
            Timer focusTimer = new Timer() {

                @Override
                public void run() {
                    if (WidgetUtil.getFocusedElement() == null) {
                        // This should never become an infinite loop and
                        // even if it does it will be stopped once something
                        // is done with the browser.
                        schedule(25);
                    } else if (WidgetUtil.getFocusedElement().equals(Document.get().getBody())) {
                        // Focus found it's way to BodyElement. Now it can
                        // be restored
                        focusedElement.focus();
                    }
                }
            };
            if (BrowserInfo.get().isIE8()) {
                // IE8 can't fix the focus immediately. It will fail.
                focusTimer.schedule(25);
            } else {
                // Newer IE versions can handle things immediately.
                focusTimer.run();
            }
        }
    }
}