Example usage for com.google.gwt.user.client.ui Widget isAttached

Introduction

In this page you can find the example usage for com.google.gwt.user.client.ui Widget isAttached.

Prototype

@Override
public boolean isAttached()

Source Link

Document

Determines whether this widget is currently attached to the browser's document (i.e., there is an unbroken chain of widgets between this widget and the underlying browser document).

Usage

From source file:gwtupload.client.SingleUploader.java

License:Apache License

/**
 * This constructor allows to use an existing form panel.
 * /*from  ww  w  .j  a v  a  2  s  .co  m*/
 * @param type
 *        file input to use
 * @param status
 *        Customized status widget to use
 * @param submitButton
 *        Customized button which submits the form
 * @param form
 *        Customized form panel
 */
public SingleUploader(FileInputType type, IUploadStatus status, Widget submitButton, FormPanel form) {
    super(type, form);

    final Uploader thisInstance = this;

    if (status == null) {
        status = new BaseUploadStatus();
    }
    super.setStatusWidget(status);

    this.button = submitButton;
    if (submitButton != null) {
        submitButton.addStyleName("submit");
        if (submitButton instanceof HasClickHandlers) {
            ((HasClickHandlers) submitButton).addClickHandler(new ClickHandler() {
                public void onClick(ClickEvent event) {
                    thisInstance.submit();
                }
            });
        }
        if (submitButton instanceof HasText) {
            ((HasText) submitButton).setText(I18N_CONSTANTS.uploaderSend());
        }
        // The user could have attached the button anywhere in the page.
        if (!submitButton.isAttached()) {
            super.add(submitButton);
        }
    }
}

From source file:nz.co.doltech.gwtjui.core.client.Wrapper.java

License:Apache License

/**
 * Sets the widget to be wrapped by the wrapper. The wrapped widget must be
 * set before calling any {@link Widget} methods on this object, or adding it
 * to a panel. This method may only be called once for a given wrapper.
 *
 * @param widget the widget to be wrapped
 */// w  ww . j a  v a 2  s . com
@Override
public void setWidget(Widget widget) {
    // Validate. Make sure the widget is not being set twice.
    if (this.widget != null) {
        throw new IllegalStateException("Wrapper.initWidget() may only be " + "called once.");
    }

    if (widget == null) {
        throw new NullPointerException("widget cannot be null");
    }

    // Use the contained widget's element as the composite's element,
    // effectively merging them within the DOM.
    setElement((Element) widget.getElement());

    // Logical attach.
    this.widget = widget;
    this.widget.addAttachHandler(new AttachEvent.Handler() {
        @Override
        public void onAttachOrDetach(AttachEvent event) {
            if (event.isAttached()) {
                onLoad();
            } else {
                onUnload();
            }
        }
    });

    if (widget.isAttached()) {
        // Forcefully invoke the wrapper load.
        // This can be the case when applying
        // an already attached widget.
        onLoad();
    }
}

From source file:org.bonitasoft.console.client.view.cases.AbstractCaseEditorWidget.java

License:Open Source License

protected void toggleToOverviewMode() {
    updateOpenStepsPanel();//from w  ww . ja v a 2s  .co m
    updateCommentsPanel();
    updateRecapPanel();
    if (myOverviewInnerPanel.getWidgetIndex(myCaseRecapWidget) == -1) {
        myOverviewInnerPanel.add(myCaseRecapWidget);
        if (myCaseHistoryWidget != null) {
            myOverviewInnerPanel.remove(myCaseHistoryWidget);
            if (DOMUtils.getInstance().isInternetExplorer()) {
                myCaseHistoryWidget = null;
            }
        }
    }

    // if(UserRightsManager.getInstance().isAllowed(RuleType.,
    // myCase.getUUID().getProcessDefinition()))
    Widget theModeChooser = buildModeChooser();
    if (!theModeChooser.isAttached()) {
        myOverviewInnerPanel.insert(theModeChooser, myOverviewInnerPanel.getWidgetIndex(myCaseRecapWidget));
    }
    // }

}

From source file:org.bonitasoft.console.client.view.cases.AbstractCaseEditorWidget.java

License:Open Source License

protected void toggleToStepDetailsMode() {
    updateOpenStepsPanel();//from ww  w.  ja  v a  2 s  .c om
    updateCommentsPanel();
    updateHistoryPanel();
    if (myCaseRecapWidget != null) {
        myOverviewInnerPanel.remove(myCaseRecapWidget);
        if (DOMUtils.getInstance().isInternetExplorer()) {
            myCaseRecapWidget = null;
        }
    }
    if (!myCaseHistoryWidget.isAttached()) {
        myOverviewInnerPanel.add(myCaseHistoryWidget);
    }
    // if(UserRightsManager.getInstance().isAllowed(RuleType.,
    // myCase.getUUID().getProcessDefinition()))
    Widget theModeChooser = buildModeChooser();
    if (!theModeChooser.isAttached()) {
        myOverviewInnerPanel.insert(theModeChooser, myOverviewInnerPanel.getWidgetIndex(myCaseHistoryWidget));
    }
    // }

}

From source file:org.gwtportlets.portlet.client.edit.PageEditor.java

License:Open Source License

private void pickupOrAddWidget(LayoutEditor src, Widget widget, String description) {
    Event ev = DOM.eventGetCurrentEvent();
    startWidgetDrag(src, widget, ev == null ? -1 : DOM.eventGetClientX(ev),
            ev == null ? -1 : DOM.eventGetClientY(ev));
    raiseOverlay();//from w w w.  j a va  2 s. com
    pickupBusy = true;

    boolean pickup = widget.isAttached();
    if (pickup) {
        moveIndicator(heldIndicator, widget);
    }

    this.description = description;
    status.beginOperation(description, "Choose position for widget and click", false, discardHeldWidget);
}

From source file:org.gwtportlets.portlet.client.edit.PageEditor.java

License:Open Source License

/**
 * Move the indicator to cover 'over' and show it.
 *//*  w w w. j  av  a  2 s.c  o m*/
private void moveIndicator(Widget indicator, Widget over) {
    Rectangle r = LDOM.getBounds(over);
    if (!indicator.isAttached()) {
        RootPanel.get().add(indicator);
    }
    LDOM.setBounds(indicator, r);
}

From source file:org.gwtportlets.portlet.client.edit.PageEditor.java

License:Open Source License

/**
 * Hide the indicator if it is showing.//w  w  w  . j a  v  a 2s  .c  o  m
 */
private void hideIndicator(Widget indicator) {
    if (indicator.isAttached()) {
        RootPanel.get().remove(indicator);
    }
}

From source file:org.jboss.errai.common.client.dom.DOMUtil.java

License:Apache License

/**
 * Appends the underlying {@link HTMLElement} of a {@link Widget} to another {@link HTMLElement}, in a way that does
 * not break GWT Widget events.//from w ww  . j  a  va  2 s. c  o m
 *
 * @param parent
 *          The parent element that is appended to. Must not be null.
 * @param child
 *          The child Widget, whose underlying HTML element will be appended to the parent. Must not be null.
 */
public static void appendWidgetToElement(final HTMLElement parent, final Widget child) {
    if (child.isAttached()) {
        child.removeFromParent();
    }
    RootPanel.detachOnWindowClose(child);
    parent.appendChild(nativeCast(child.getElement()));
    onAttach(child);
}

From source file:org.jboss.errai.common.client.dom.elemental2.Elemental2DomUtil.java

License:Apache License

/**
 * Appends the underlying {@link HTMLElement} of a {@link Widget} to another {@link HTMLElement},
 * in a way that does not break GWT Widget events.
 * @param parent The parent element that is appended to. Must not be null.
 * @param child The child Widget, whose underlying HTML element will be
 * appended to the parent. Must not be null.
 *///  ww  w  . j  av  a 2  s  . c  o  m
public void appendWidgetToElement(final HTMLElement parent, final Widget child) {

    if (child.isAttached()) {
        child.removeFromParent();
    }

    RootPanel.detachOnWindowClose(child);

    HTMLElement newChild = asHTMLElement(child.getElement());
    parent.appendChild(newChild);

    onAttach(child);
}

From source file:org.jboss.errai.workspaces.client.layout.LayoutHint.java

License:Apache License

public static void hintAll() {
    LayoutHintProvider p;//  w w w .  j  a  v a2 s  . com
    for (String s : MANAGED_SUBJECTS.keySet()) {
        if ((p = findProvider(s)) != null && p.getWidthHint() > 0 && p.getHeightHint() > 0) {
            MessageBuilder.createMessage().toSubject(s).with(LayoutParts.Width, p.getWidthHint())
                    .with(LayoutParts.Height, p.getHeightHint()).noErrorHandling().sendNowWith(ErraiBus.get());
        }
    }

    for (Widget w : MANAGED_WIDGETS.keySet()) {
        p = findProvider(w);
        if (p != null && w.isAttached() && p.getWidthHint() > 0 && p.getHeightHint() > 0) {
            w.setPixelSize(p.getWidthHint(), p.getHeightHint());
        }
    }
}