Examples with SimplePanel com.google.gwt.user.client.ui.SimplePanel used on opensource projects

Example 36 with SimplePanel

use of com.google.gwt.user.client.ui.SimplePanel in project rstudio by rstudio.

the class FontDetector method isFontSupported.

public static boolean isFontSupported(String fontName) {
    SimplePanel panel = null;
    try {
        // default font name as a reference point
        final String defaultFontName = "Arial";
        if (defaultFontName.equals(fontName))
            return true;
        // make sure canvas is supported
        if (!Canvas.isSupported())
            return false;
        // add a temporary div to the dom
        panel = new SimplePanel();
        panel.setHeight("200px");
        panel.getElement().getStyle().setVisibility(Visibility.HIDDEN);
        panel.getElement().getStyle().setOverflow(Overflow.SCROLL);
        RootPanel.get().add(panel, -2000, -2000);
        // add a canvas element to the div and get the 2d drawing context
        final Canvas canvas = Canvas.createIfSupported();
        canvas.setWidth("512px");
        canvas.setHeight("64px");
        canvas.getElement().getStyle().setLeft(400, Unit.PX);
        canvas.getElement().getStyle().setBackgroundColor("#ffe");
        panel.add(canvas);
        final Context2d ctx = canvas.getContext2d();
        ctx.setFillStyle("#000000");
        // closure to generate a hash for a font
        class HashGenerator {

            public String getHash(String fontName) {
                ctx.setFont("57px " + fontName + ", " + defaultFontName);
                int width = canvas.getOffsetWidth();
                int height = canvas.getOffsetHeight();
                ctx.clearRect(0, 0, width, height);
                ctx.fillText("TheQuickBrownFox", 2, 50);
                return canvas.toDataUrl();
            }
        }
        ;
        // get hashes and compare them
        HashGenerator hashGenerator = new HashGenerator();
        String defaultHash = hashGenerator.getHash(defaultFontName);
        String fontHash = hashGenerator.getHash(fontName);
        return !defaultHash.equals(fontHash);
    } catch (Exception ex) {
        Debug.log(ex.toString());
        return false;
    } finally {
        if (panel != null)
            RootPanel.get().remove(panel);
    }
}

Example 37 with SimplePanel

use of com.google.gwt.user.client.ui.SimplePanel in project rstudio by rstudio.

the class RStudio method showProgress.

private Command showProgress() {
    final Label background = new Label();
    background.getElement().getStyle().setZIndex(1000);
    background.getElement().getStyle().setBackgroundColor("#e1e2e5");
    final RootLayoutPanel rootPanel = RootLayoutPanel.get();
    rootPanel.add(background);
    rootPanel.setWidgetTopBottom(background, 0, Style.Unit.PX, 0, Style.Unit.PX);
    rootPanel.setWidgetLeftRight(background, 0, Style.Unit.PX, 0, Style.Unit.PX);
    String progressUrl = ProgressImages.createLargeGray().getUrl();
    StringBuilder str = new StringBuilder();
    str.append("<img src=\"");
    str.append(progressUrl);
    str.append("\"");
    if (BrowseCap.devicePixelRatio() > 1.0)
        str.append("width=24 height=24");
    str.append("/>");
    final SimplePanel progressPanel = new SimplePanel();
    final Element div = progressPanel.getElement();
    div.setInnerHTML(str.toString());
    div.getStyle().setWidth(100, Style.Unit.PCT);
    div.getStyle().setMarginTop(200, Style.Unit.PX);
    div.getStyle().setProperty("textAlign", "center");
    div.getStyle().setZIndex(1000);
    ElementIds.assignElementId(div, ElementIds.LOADING_SPINNER);
    rootPanel.add(progressPanel);
    return new Command() {

        public void execute() {
            try {
                rootPanel.remove(progressPanel);
                rootPanel.remove(background);
            } catch (Exception e) {
                Debug.log(e.toString());
            }
        }
    };
}

Example 38 with SimplePanel

use of com.google.gwt.user.client.ui.SimplePanel in project rstudio by rstudio.

the class HTMLPreviewProgressDialog method createDisplayWidget.

@Override
protected Widget createDisplayWidget(Object param) {
    SimplePanel panel = new SimplePanel();
    int height = Window.getClientHeight() - 150;
    int maxHeight = (Integer) param;
    if (maxHeight != -1)
        height = Math.min(maxHeight, height);
    panel.getElement().getStyle().setHeight(height, Unit.PX);
    output_ = new CompileOutputBuffer();
    panel.setWidget(output_);
    return panel;
}

Example 39 with SimplePanel

use of com.google.gwt.user.client.ui.SimplePanel in project rstudio by rstudio.

the class IgnoreDialog method createMainWidget.

@Override
protected Widget createMainWidget() {
    VerticalPanel verticalPanel = new VerticalPanel();
    verticalPanel.add(dirChooser_);
    verticalPanel.add(ignoresCaption_);
    final String aceWidth = "400px";
    final String aceHeight = "300px";
    Widget editorWidget = editor_.getWidget();
    editorWidget.setSize(aceWidth, aceHeight);
    SimplePanel panel = new SimplePanel();
    panel.addStyleName(RES.styles().editorFrame());
    panel.setSize(aceWidth, aceHeight);
    panel.setWidget(editor_.getWidget());
    verticalPanel.add(panel);
    return verticalPanel;
}

Example 40 with SimplePanel

use of com.google.gwt.user.client.ui.SimplePanel in project rstudio by rstudio.

the class EditSnippetsDialog method createMainWidget.

@Override
protected Widget createMainWidget() {
    panel_ = new DockLayoutPanel(Unit.PX);
    // compute the widget size and set it
    Size size = new Size(900, 900);
    size = DomMetrics.adjustedElementSize(size, null, // pad
    70, // client margin
    100);
    panel_.setWidth(size.width + "px");
    panel_.setHeight(size.height + "px");
    // snippet types
    snippetTypes_ = new WidgetListBox<EditableSnippets>();
    snippetTypes_.addChangeHandler(new ChangeHandler() {

        @Override
        public void onChange(ChangeEvent event) {
            updateEditor(snippetTypes_.getSelectedItem());
        }
    });
    snippetTypes_.addItem(new EditableSnippets("R", FileTypeRegistry.R));
    snippetTypes_.addItem(new EditableSnippets(FileTypeRegistry.CPP));
    snippetTypes_.addItem(new EditableSnippets(FileTypeRegistry.MARKDOWN));
    snippetTypes_.addItem(new EditableSnippets(FileTypeRegistry.TEX));
    snippetTypes_.addItem(new EditableSnippets(FileTypeRegistry.JS));
    snippetTypes_.addItem(new EditableSnippets(FileTypeRegistry.HTML));
    snippetTypes_.addItem(new EditableSnippets(FileTypeRegistry.CSS));
    snippetTypes_.addItem(new EditableSnippets(FileTypeRegistry.SQL));
    snippetTypes_.addItem(new EditableSnippets(FileTypeRegistry.JAVA));
    snippetTypes_.addItem(new EditableSnippets(FileTypeRegistry.PYTHON));
    snippetTypes_.addItem(new EditableSnippets(FileTypeRegistry.STAN));
    panel_.addWest(snippetTypes_, 150);
    // editor
    docDisplay_ = new AceEditor();
    docDisplay_.setUseSoftTabs(false);
    docDisplay_.setTabSize(uiPrefs_.numSpacesForTab().getValue());
    docDisplay_.addValueChangeHandler(new ValueChangeHandler<Void>() {

        @Override
        public void onValueChange(ValueChangeEvent<Void> event) {
            editorDirty_ = true;
        }
    });
    docDisplay_.setFileType(FileTypeRegistry.SNIPPETS);
    SimplePanel panel = new SimplePanel();
    panel.addStyleName("EditDialog");
    panel.getElement().getStyle().setMarginLeft(8, Unit.PX);
    panel.setWidget(docDisplay_.asWidget());
    panel_.add(panel);
    TextEditingTarget.syncFontSize(releaseOnDismiss_, events_, this, fontSizeManager_);
    snippetTypes_.setSelectedIndex(0, true);
    return panel_;
}