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

List of usage examples for com.google.gwt.dom.client NodeList getItem

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Introduction

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

Prototype

public T getItem(int index)

Source Link

Usage

From source file:com.sciencegadgets.client.algebra.ConstantRandomizer.java

License:Open Source License

public static HashMap<Parameter, String> insertRandomProvided(HashMap<Parameter, String> parameterMap) {

    String randomProvidedString = parameterMap.get(Parameter.randomprovided);
    if (randomProvidedString == null || "".equals(randomProvidedString)) {
        return parameterMap;
    }/* w ww .j  a  v a2 s . c om*/
    String[] randomProvidedArray = randomProvidedString.split(URLParameters.RANDOM_PROVIDED_DELIMITER);

    String equationString = parameterMap.get(Parameter.equation);
    Element equationXML = new HTML(equationString).getElement().getFirstChildElement();

    NodeList<Element> numberNodes = equationXML.getElementsByTagName(TypeSGET.Number.getTag());
    LinkedList<Element> nodesExpectingProvidedNumber = new LinkedList<Element>();

    for (int i = 0; i < numberNodes.getLength(); i++) {
        Element num = numberNodes.getItem(i);
        String randomness = num.getAttribute(MathAttribute.Randomness.getAttributeName());
        if (randomness.contains(RandomSpecPanel.RANDOM_PROVIDED)) {
            nodesExpectingProvidedNumber.add(num);
        }
    }

    if (randomProvidedArray.length == nodesExpectingProvidedNumber.size()) {

        for (int i = 0; i < nodesExpectingProvidedNumber.size(); i++) {
            Element expecting = nodesExpectingProvidedNumber.get(i);
            String provided = randomProvidedArray[i];
            expecting.setInnerText(provided);

            expecting.removeAttribute(MathAttribute.Randomness.getAttributeName());
        }

        parameterMap.remove(Parameter.randomprovided);
        parameterMap.put(Parameter.equation, JSNICalls.elementToString(equationXML));

    } else {
        String nodeAvailableList = "";
        for (Element nodeAvailable : nodesExpectingProvidedNumber) {
            nodeAvailableList = nodeAvailableList + "\n" + JSNICalls.elementToString(nodeAvailable);
        }
        JSNICalls.error("Random numbers provided don't match the spots available:\n"
                + randomProvidedArray.length + " provided: " + randomProvidedString + "\n"
                + nodesExpectingProvidedNumber.size() + " available: " + nodeAvailableList);
    }
    return parameterMap;
}

From source file:com.sciencegadgets.client.algebra.edit.LinkPrompt_Equation.java

License:Open Source License

protected void updateLinks(HashMap<Parameter, String> pMap) {

    // Replaces link text with equation HTML

    if (initialEquation == null) {
        html = algebraActivity.getEquationTree().getDisplayClone();
    } else {/*w  ww .j  a va 2  s .c  o m*/
        html = initialEquation.getDisplayClone();
    }
    // linkDisplay.setHTML(html.getHTML());

    NodeList<Element> allEl = html.getElement().getElementsByTagName("*");
    for (int i = 0; i < allEl.getLength(); i++) {
        Element el = allEl.getItem(i);
        el.removeAttribute("id");
    }

    Element styleLink = new HTML("<link type=\"text/css\" rel=\"stylesheet\" href=\"" + URLParameters.URL_TOP
            + "/CSStyles/equation.css\"></link>").getElement();
    styleLink.appendChild(html.getElement());
    Element linkEl = linkDisplay.getElement();
    linkEl.removeAllChildren();
    linkEl.appendChild(styleLink);

    iframeDisplay.setName("InteractiveEquation");
    iframeDisplay.setFrameBorder(0);

    super.updateLinks(pMap);

}

From source file:com.sciencegadgets.client.algebra.EquationHTML.java

License:Open Source License

private void addChildrenIfInline(Element curEl, LinkedList<Element> childrenInline, TypeSGET curType) {
    switch (curType) {
    case Exponential:
        // Only the base of an exponent is considered inline
        childrenInline.add((Element) curEl.getChild(0));
        break;/*  w  w w  .  ja v a  2 s. com*/
    case Fraction:
        break;
    case Equation:
    case Sum:
    case Term:
    case Trig:
    case Log:
        NodeList<Node> children = curEl.getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            childrenInline.add((Element) children.getItem(i));
        }
        break;
    }
}

From source file:com.sciencegadgets.client.algebra.EquationTree.java

License:Open Source License

public void setDisplay(EquationHTML equationHTML) {
    for (Wrapper w : wrappers) {
        if (w instanceof EditWrapper) {
            ((EditWrapper) w).onUnload();

        } else if (w instanceof AlgebaWrapper) {
            ((AlgebaWrapper) w).onUnload();
        }/*ww  w  . ja  va 2 s. com*/
        w.getElement().removeFromParent();
    }
    wrappers.clear();

    idHTMLMap.clear();

    this.eqHTML = equationHTML;

    NodeList<Element> allElements = eqHTML.getElement().getElementsByTagName("*");

    for (int i = 0; i < allElements.getLength(); i++) {
        Element el = (Element) allElements.getItem(i);
        String elId = el.getAttribute(MathAttribute.ID.getAttributeName());
        if (elId.contains(UnitHTML.UNIT_NODE_DELIMITER)) {
            String parentElId = elId.split(UnitHTML.UNIT_NODE_DELIMITER)[1];
            idUnitHTMLMap.put(el, parentElId);
        } else {
            idHTMLMap.put(elId, el);
        }
        el.removeAttribute(MathAttribute.ID.getAttributeName());
    }
}

From source file:com.sciencegadgets.client.algebra.EquationTree.java

License:Open Source License

public EquationNode newNode(Element xmlNode) {
    EquationNode newNode = new EquationNode(xmlNode);
    addToMaps(newNode);/* w w  w . java  2  s  .  c o  m*/

    NodeList<Element> descendants = xmlNode.getElementsByTagName("*");
    for (int i = 0; i < descendants.getLength(); i++) {
        Element descendantEl = descendants.getItem(i);
        addToMaps(new EquationNode(descendantEl));
    }

    return newNode;
}

From source file:com.sciencegadgets.client.algebra.EquationTree.java

License:Open Source License

/**
 * Gets all nodes in the parent by specified type.</br>Use type == null for
 * all nodes within this node.</br>Use {@link #getNodesByType(TypeSGET type)}
 * for all nodes by type.</br>Use {@link #getNodes()} for all nodes in the
 * tree including the root/* w  w  w.j  a  va2  s .  com*/
 * 
 * @param type
 */
public LinkedList<EquationNode> getNodesByType(TypeSGET type, EquationNode parent) {
    LinkedList<EquationNode> nodes = new LinkedList<EquationNode>();
    String tag = "*";
    if (type != null) {
        tag = type.getTag();
    }
    NodeList<Element> elements = parent.getXMLNode().getElementsByTagName(tag);
    for (int i = 0; i < elements.getLength(); i++) {
        String id = elements.getItem(i).getAttribute(MathAttribute.ID.getAttributeName());
        nodes.add(idMap.get(id));
    }
    return nodes;
}

From source file:com.sciencegadgets.client.algebra.EquationTree.java

License:Open Source License

private EquationNode bindXMLtoNodeRecursive(Element equationXMLNode) {

    EquationNode eqNode = new EquationNode(equationXMLNode);
    String id = eqNode.getId();// ww  w. j  a v  a 2  s . c  o m
    idMap.put(id, eqNode);
    idMLMap.put(id, equationXMLNode);

    NodeList<Node> equationXMLNodeChildren = equationXMLNode.getChildNodes();
    for (int i = 0; i < equationXMLNodeChildren.getLength(); i++) {
        Element currentNode = (Element) equationXMLNodeChildren.getItem(i);

        if (currentNode.getNodeType() == Node.ELEMENT_NODE) {
            bindXMLtoNodeRecursive((Element) currentNode);
        }
    }
    return eqNode;
}

From source file:com.sciencegadgets.client.conversion.ConversionActivity.java

License:Open Source License

public void reloadEquation() {
    // Make and add entire equation before moving left
    dimensionalAnalysisArea.clear();/*www .j  a  v  a2 s.  c  om*/
    EquationHTML eqHTML = mTree.reloadDisplay(false, false);

    // Unit font
    wrapperArea.addStyleName(CSS.UNIT);
    NodeList<Element> elements = eqHTML.getElement().getElementsByTagName("*");
    for (int i = 0; i < elements.getLength(); i++) {
        elements.getItem(i).addClassName(CSS.UNIT);
    }

    // Recreate wrappers
    placeWrappers();

    // Place entire equation in history area first
    eqHTML.autoFillParent = true;
    dimensionalAnalysisArea.add(eqHTML);

    // No need for equals sign
    mTree.getEquals().getHTML(true, true).removeFromParent();

    // Move left side of equation into wrapper area
    Element newWorkingHTML = mTree.getLeftSide().getHTML(false, false);
    if (workingHTML == null) {
        wrapperArea.getElement().appendChild(newWorkingHTML);
    } else {
        wrapperArea.getElement().replaceChild(newWorkingHTML, workingHTML);
    }
    workingHTML = newWorkingHTML;

    // Resize working area
    double widthRatio = (double) wrapperArea.getOffsetWidth() / workingHTML.getOffsetWidth();
    double heightRatio = (double) wrapperArea.getOffsetHeight() / workingHTML.getOffsetHeight();
    double smallerRatio = (widthRatio > heightRatio) ? heightRatio : widthRatio;
    double fontPercent = smallerRatio * 95;// *95 for looser fit
    workingHTML.getStyle().setFontSize(fontPercent, com.google.gwt.dom.client.Style.Unit.PCT);

    // HashMap<Parameter, String> parameterMap = new HashMap<Parameter,
    // String>();
    // parameterMap
    // .put(Parameter.activity, ActivityType.conversion.toString());
    // parameterMap.put(Parameter.equation, mTree.getMathXMLString());
    // URLParameters.setParameters(parameterMap, false);
}

From source file:com.seanchenxi.gwt.serenity.client.SerenityUtil.java

License:Apache License

public static String getWpNaming() {
    Element el = Document.get().getElementsByTagName(HeadElement.TAG).getItem(0);
    NodeList<Element> els = el.getElementsByTagName(MetaElement.TAG);
    for (int i = 0; i < els.getLength(); i++) {
        if (SerenityResources.GENERATOR.equalsIgnoreCase(els.getItem(i).getAttribute(SerenityResources.NAME))) {
            return els.getItem(i).getAttribute(SerenityResources.CONTENT);
        }//from w ww  . jav a  2s.  c om
    }
    return SerenityResources.MSG.wordpress_Name();
}

From source file:com.seanchenxi.gwt.serenity.client.SerenityUtil.java

License:Apache License

public static String getWpBaseUrl() {
    Element el = Document.get().getElementsByTagName(HeadElement.TAG).getItem(0);
    NodeList<Element> els = el.getElementsByTagName(MetaElement.TAG);
    for (int i = 0; i < els.getLength(); i++) {
        if (SerenityResources.URL.equalsIgnoreCase(els.getItem(i).getAttribute(SerenityResources.NAME))) {
            return els.getItem(i).getAttribute(SerenityResources.CONTENT);
        }/*ww  w . j a v a  2 s.  c o  m*/
    }
    return StringPool.SLASH;
}