Example usage for com.vaadin.client.ui VProgressBar VProgressBar

Introduction

In this page you can find the example usage for com.vaadin.client.ui VProgressBar VProgressBar.

Prototype

public VProgressBar() 

Source Link

Usage

From source file:com.haulmont.cuba.web.toolkit.ui.client.jqueryfileupload.CubaFileUploadProgressWindow.java

License:Apache License

protected void constructDOM() {
    setStyleName(CLASSNAME);/*from w  w  w .j a  va2s . c o  m*/

    topTabStop = DOM.createDiv();
    topTabStop.setTabIndex(0);

    header = DOM.createDiv();
    header.setClassName(CLASSNAME + "-outerheader");

    headerText = DOM.createDiv();
    headerText.setClassName(CLASSNAME + "-header");

    contents = DOM.createDiv();
    contents.setClassName(CLASSNAME + "-contents");

    footer = DOM.createDiv();
    footer.setClassName(CLASSNAME + "-footer");

    resizeBox = DOM.createDiv();
    resizeBox.setClassName(CLASSNAME + "-resizebox");

    closeBox = DOM.createDiv();
    closeBox.setClassName(CLASSNAME + "-closebox");
    closeBox.setTabIndex(0);

    DOM.appendChild(footer, resizeBox);

    bottomTabStop = DOM.createDiv();
    bottomTabStop.setTabIndex(0);

    wrapper = DOM.createDiv();
    wrapper.setClassName(CLASSNAME + "-wrap");

    DOM.appendChild(wrapper, topTabStop);
    DOM.appendChild(wrapper, header);
    DOM.appendChild(header, closeBox);
    DOM.appendChild(header, headerText);
    DOM.appendChild(wrapper, contents);
    DOM.appendChild(wrapper, footer);
    DOM.appendChild(wrapper, bottomTabStop);
    DOM.appendChild(super.getContainerElement(), wrapper);

    sinkEvents(Event.ONDBLCLICK | Event.MOUSEEVENTS | Event.TOUCHEVENTS | Event.ONCLICK | Event.ONLOSECAPTURE);

    currentFileLabel = new VLabel();
    currentFileLabel.addStyleName("upload-file-label");
    currentFileLabel.setWidth("100%");

    progressBar = new VProgressBar();
    progressBar.addStyleName("upload-progressbar");
    progressBar.setIndeterminate(false);
    progressBar.setState(0);
    progressBar.setWidth("100%");

    cancelButton = new VButton();
    cancelButton.addStyleName("upload-cancel-button");
    cancelButton.addClickHandler(new ClickHandler() {
        @Override
        public void onClick(ClickEvent event) {
            closeWindow();
        }
    });

    contentPanel = new SimpleFocusablePanel();
    contentPanel.setStyleName("content-pane");
    contentPanel.addKeyDownHandler(this);
    contentPanel.addKeyUpHandler(this);

    setWidget(contentPanel);

    final FlowPanel verticalPanel = new FlowPanel();
    verticalPanel.setStyleName("vertical-panel");
    verticalPanel.addStyleName("v-widget");
    verticalPanel.addStyleName("v-has-width");
    verticalPanel.addStyleName("v-has-height");

    verticalPanel.add(currentFileLabel);
    verticalPanel.add(progressBar);
    verticalPanel.add(cancelButton);

    contentPanel.setWidget(verticalPanel);

    // do some calculations for window layout
    Scheduler.get().scheduleDeferred(new Scheduler.ScheduledCommand() {
        @Override
        public void execute() {
            Style contentStyle = contents.getStyle();

            ComputedStyle headerCs = new ComputedStyle(header);
            String headerHeight = headerCs.getProperty("height");
            contentStyle.setProperty("paddingTop", headerHeight);
            contentStyle.setProperty("marginTop", "-" + headerHeight);

            ComputedStyle footerCs = new ComputedStyle(footer);
            String footerHeight = footerCs.getProperty("height");
            contentStyle.setProperty("paddingBottom", footerHeight);
            contentStyle.setProperty("marginBottom", "-" + footerHeight);
        }
    });

    // Make the closebox accessible for assistive devices
    Roles.getButtonRole().set(closeBox);
    Roles.getButtonRole().setAriaLabelProperty(closeBox, "close button");

    // Provide the title to assistive devices
    AriaHelper.ensureHasId(headerText);
    Roles.getDialogRole().setAriaLabelledbyProperty(getElement(), Id.of(headerText));

    // Handlers to Prevent tab to leave the window
    // and backspace to cause browser navigation
    topEventBlocker = new Event.NativePreviewHandler() {
        @Override
        public void onPreviewNativeEvent(Event.NativePreviewEvent event) {
            NativeEvent nativeEvent = event.getNativeEvent();
            if (nativeEvent.getEventTarget().cast() == topTabStop
                    && nativeEvent.getKeyCode() == KeyCodes.KEY_TAB && nativeEvent.getShiftKey()) {
                nativeEvent.preventDefault();
            }
            if (nativeEvent.getEventTarget().cast() == topTabStop
                    && nativeEvent.getKeyCode() == KeyCodes.KEY_BACKSPACE) {
                nativeEvent.preventDefault();
            }
        }
    };

    bottomEventBlocker = new Event.NativePreviewHandler() {
        @Override
        public void onPreviewNativeEvent(Event.NativePreviewEvent event) {
            NativeEvent nativeEvent = event.getNativeEvent();
            if (nativeEvent.getEventTarget().cast() == bottomTabStop
                    && nativeEvent.getKeyCode() == KeyCodes.KEY_TAB && !nativeEvent.getShiftKey()) {
                nativeEvent.preventDefault();
            }
            if (nativeEvent.getEventTarget().cast() == bottomTabStop
                    && nativeEvent.getKeyCode() == KeyCodes.KEY_BACKSPACE) {
                nativeEvent.preventDefault();
            }
        }
    };
}

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