Example usage for com.google.gwt.dom.client NodeList getLength

Introduction

In this page you can find the example usage for com.google.gwt.dom.client NodeList getLength.

Prototype

public int getLength() 

Source Link

Usage

From source file:org.rstudio.studio.client.workbench.exportplot.clipboard.CopyPlotToClipboardDesktopDialog.java

License:Open Source License

protected void copyAsBitmap(final Operation onCompleted) {
    final ExportPlotSizeEditor sizeEditor = getSizeEditor();

    sizeEditor.prepareForExport(new Command() {

        @Override/* w  ww  .j a v  a2  s .  co  m*/
        public void execute() {
            if (BrowseCap.isCocoaDesktop()) {
                clipboard_.copyPlotToCocoaPasteboard(sizeEditor.getImageWidth(), sizeEditor.getImageHeight(),
                        new Command() {
                            @Override
                            public void execute() {
                                onCompleted.execute();
                            }
                        });
            } else {
                WindowEx win = sizeEditor.getPreviewIFrame().getContentWindow();
                Document doc = win.getDocument();
                NodeList<Element> images = doc.getElementsByTagName("img");
                if (images.getLength() > 0) {
                    ElementEx img = images.getItem(0).cast();
                    DesktopFrame frame = Desktop.getFrame();
                    frame.copyImageToClipboard(img.getClientLeft(), img.getClientTop(), img.getClientWidth(),
                            img.getClientHeight());
                }

                onCompleted.execute();
            }
        }

    });
}

---

From source file:org.rstudio.studio.client.workbench.views.console.shell.impl.PlainTextEditorImplFirefox.java

License:Open Source License

private void stripZwsp(Node node) {
    if (node.getNodeType() == Node.TEXT_NODE) {
        while (true) {
            String text = node.getNodeValue();
            int index = text.indexOf('\u200B');
            if (index >= 0)
                DomUtils.deleteTextData((Text) node, index, 1);
            else//  w  w w.java2  s  .c  o  m
                break;
        }
    } else if (node.getNodeType() == Node.ELEMENT_NODE) {
        NodeList<Node> nodes = node.getChildNodes();
        for (int i = 0; i < nodes.getLength(); i++)
            stripZwsp(nodes.getItem(i));
    }
}

---

From source file:org.rstudio.studio.client.workbench.views.help.HelpPane.java

License:Open Source License

private void helpNavigated(Document doc) {
    NodeList<Element> elements = doc.getElementsByTagName("a");
    for (int i = 0; i < elements.getLength(); i++) {
        ElementEx a = (ElementEx) elements.getItem(i);
        String href = a.getAttribute("href", 2);
        if (href == null)
            continue;

        if (href.contains(":") || href.endsWith(".pdf")) {
            // external links
            AnchorElement aElement = a.cast();
            aElement.setTarget("_blank");
        } else {/*from   w w  w  .  j  ava2  s  .com*/
            // Internal links need to be handled in JavaScript so that
            // they can participate in virtual session history. This
            // won't have any effect for right-click > Show in New Window
            // but that's a good thing.

            a.setAttribute("onclick",
                    "window.parent.helpNavigate(this.href, "
                            + (BrowseCap.isLinuxDesktop() || BrowseCap.isWindowsDesktop() ? "true" : "false")
                            + "); return false");
        }
    }

    String effectiveTitle = getDocTitle(doc);
    title_.setText(effectiveTitle);
    this.fireEvent(new HelpNavigateEvent(doc.getURL(), effectiveTitle));
}

---

From source file:org.rstudio.studio.client.workbench.views.help.model.HelpInfo.java

License:Open Source License

public final ParsedInfo parse(String defaultSignature) {
    HashMap<String, String> values = new HashMap<String, String>();
    HashMap<String, String> args = new HashMap<String, String>();
    HashMap<String, String> slots = new HashMap<String, String>();

    String html = getHTML();//from ww w  .ja  v a 2  s. co m
    if (html != null) {
        DivElement div = Document.get().createDivElement();
        div.setInnerHTML(html);

        // disable all links
        NodeList<Element> anchors = div.getElementsByTagName("a");
        for (int i = 0; i < anchors.getLength(); i++) {
            Element anchor = anchors.getItem(i);
            Element parent = anchor.getParentElement();
            Node child = anchor.getFirstChild();
            while (child != null) {
                parent.insertBefore(child, anchor);
                child = child.getNextSibling();
            }
        }

        // parse all description lists
        NodeList<Element> descriptionLists = div.getElementsByTagName("dl");
        for (int i = 0; i < descriptionLists.getLength(); i++)
            parseDescriptionList(args, descriptionLists.getItem(i));

        // get all h2 and h3 headings
        NodeList<Element> h2headings = div.getElementsByTagName("h2");
        NodeList<Element> h3headings = div.getElementsByTagName("h3");
        ArrayList<Element> headings = new ArrayList<Element>();
        for (int i = 0; i < h2headings.getLength(); i++)
            headings.add(h2headings.getItem(i));
        for (int i = 0; i < h3headings.getLength(); i++)
            headings.add(h3headings.getItem(i));

        // the first h2 heading is the title -- handle that specially
        if (headings.size() > 0) {
            Element titleElement = headings.get(0);
            String title = titleElement.getInnerText();
            values.put("Title", title);
        }

        // iterate through them
        for (int i = 1; i < headings.size(); i++) {
            Element heading = headings.get(i);
            String name = heading.getInnerText();
            if (name.equals("Arguments")) {
                parseArguments(args, heading);
            }
            if (name.equals("Slots")) {
                parseDescriptionList(slots, heading);
            }
            StringBuffer value = new StringBuffer();
            Node sibling = heading.getNextSibling();
            while (sibling != null && !sibling.getNodeName().toLowerCase().equals("h2")
                    && !sibling.getNodeName().toLowerCase().equals("h3")) {
                value.append(DomUtils.getHtml(sibling));
                sibling = sibling.getNextSibling();
            }
            values.put(name, value.toString());
        }
    }

    String signature = getSignature();
    if (signature == null)
        signature = defaultSignature;
    return new ParsedInfo(getPackageName(), signature, values, args, slots);
}

---

From source file:org.rstudio.studio.client.workbench.views.help.model.HelpInfo.java

License:Open Source License

private void parseDescriptionList(HashMap<String, String> args, Element heading) {
    Element table = (Element) DomUtils.findNode(heading, true, true, new NodePredicate() {

        public boolean test(Node n) {
            if (n.getNodeType() != Node.ELEMENT_NODE)
                return false;

            Element el = (Element) n;

            return el.getTagName().toUpperCase().equals("DL");
        }/*from www .  ja v  a  2  s.  c  o m*/
    });

    if (table == null) {
        assert false : "Unexpected slots format: no <dl> entry found";
        return;
    }

    NodeList<Node> children = table.getChildNodes();
    int nChildren = children.getLength();
    for (int i = 0; i < nChildren; i++) {
        Element child = (Element) children.getItem(i);
        if (child.getNodeName().toUpperCase().equals("DT")) {
            String argName = child.getInnerText().replaceAll(":", "");
            Element nextChild = (Element) children.getItem(i + 1);
            if (nextChild.getNodeName().toUpperCase().equals("DD")) {
                String value = nextChild.getInnerHTML();
                args.put(argName, value);
            }
        }
    }
}

---

From source file:org.rstudio.studio.client.workbench.views.help.model.HelpInfo.java

License:Open Source License

private void parseArguments(HashMap<String, String> args, Element heading) {
    Element table = (Element) DomUtils.findNode(heading, true, true, new NodePredicate() {
        public boolean test(Node n) {
            if (n.getNodeType() != Node.ELEMENT_NODE)
                return false;

            Element el = (Element) n;

            return el.getTagName().toUpperCase().equals("TABLE")
                    && "R argblock".equals(el.getAttribute("summary"));
        }/*  www  .ja  v a  2  s.  c o m*/
    });

    if (table == null) {
        assert false : "Unexpected help format, no argblock table found";
        return;
    }

    TableElement t = (TableElement) table;
    NodeList<TableRowElement> rows = t.getRows();
    for (int i = 0; i < rows.getLength(); i++) {
        TableRowElement row = rows.getItem(i);
        NodeList<TableCellElement> cells = row.getCells();

        TableCellElement argNameCell = cells.getItem(0);
        TableCellElement argValueCell = cells.getItem(1);

        String argNameText = argNameCell.getInnerText();
        String argValueHtml = argValueCell.getInnerHTML();

        // argNameCell may be multiple comma-delimited arguments;
        // split them up if necessary (duplicate the help across args)
        String[] argNameTextSplat = argNameText.split("\\s*,\\s*");
        for (int j = 0; j < argNameTextSplat.length; j++)
            args.put(argNameTextSplat[j], argValueHtml);

    }
}

---

From source file:org.rstudio.studio.client.workbench.views.plots.ui.export.impl.CopyPlotToClipboardDesktopDialog.java

License:Open Source License

protected void copyAsBitmap(Operation onCompleted) {
    ImageFrame imageFrame = getSizeEditor().getImageFrame();
    final WindowEx win = imageFrame.getElement().<IFrameElementEx>cast().getContentWindow();

    Document doc = win.getDocument();
    NodeList<Element> images = doc.getElementsByTagName("img");
    if (images.getLength() > 0) {
        ElementEx img = images.getItem(0).cast();

        Desktop.getFrame().copyImageToClipboard(img.getClientLeft(), img.getClientTop(), img.getClientWidth(),
                img.getClientHeight());// w  w  w . java 2 s . c  o  m
    }

    onCompleted.execute();
}

---

From source file:org.rstudio.studio.client.workbench.views.plots.ui.export.PlotsPanePreviewer.java

License:Open Source License

public Rectangle getPreviewClientRect() {
    WindowEx win = imageFrame_.getElement().<IFrameElementEx>cast().getContentWindow();
    Document doc = win.getDocument();
    NodeList<Element> images = doc.getElementsByTagName("img");
    if (images.getLength() > 0) {
        ElementEx img = images.getItem(0).cast();
        return new Rectangle(img.getClientLeft(), img.getClientTop(), img.getClientWidth(),
                img.getClientHeight());//from w ww  .  j  a  v a 2s. c om
    } else {
        return new Rectangle(0, 0, 0, 0);
    }
}

---

From source file:org.sakaiproject.sgs2.client.Sgs2.java

License:Educational Community License

private void configureSakaiParentIframe(int setHeight) {

    // Resize parent Sakai iframe
    Document doc = getWindowParentDocument();
    NodeList<Element> nodeList = doc.getElementsByTagName("iframe");
    for (int i = 0; i < nodeList.getLength(); i++) {
        IFrameElement iframe = (IFrameElement) nodeList.getItem(i);
        if (iframe.getId().startsWith("Main")) {
            iframe.setAttribute("height", setHeight + "px");
            iframe.setAttribute("style", "height: " + setHeight + "px;");
            // IE Fix
            iframe.getStyle().setPropertyPx("height", setHeight);
            break;
        }/*from w w w . j a v  a  2s. com*/
    }
}

---

From source file:org.silverpeas.mobile.client.components.base.PageContent.java

License:Open Source License

protected void setViewport() {
    NodeList<Element> metas = Document.get().getHead().getElementsByTagName("meta");
    for (int i = 0; i < metas.getLength(); i++) {
        if (metas.getItem(i).getAttribute("name").equals("viewport")) {
            metas.getItem(i).setAttribute("content",
                    "width=device-width, target-densitydpi=device-dpi, initial-scale=1.0, maximum-scale=1.0, user-scalable=0");
        }//from   w  w w  . jav  a  2s. co m
    }
}

---

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