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:net.s17fabu.vip.gwt.showcase.client.Showcase.java

License:Apache License

/**
 * Update the style sheets to reflect the current theme and direction.
 *//*from w  w w  .  ja v a 2  s .co  m*/
private void updateStyleSheets() {
    // Generate the names of the style sheets to include
    String gwtStyleSheet = "gwt/" + CUR_THEME + "/" + CUR_THEME + ".css";
    String showcaseStyleSheet = CUR_THEME + "/Showcase.css";
    if (LocaleInfo.getCurrentLocale().isRTL()) {
        gwtStyleSheet = gwtStyleSheet.replace(".css", "_rtl.css");
        showcaseStyleSheet = showcaseStyleSheet.replace(".css", "_rtl.css");
    }

    // Find existing style sheets that need to be removed
    boolean styleSheetsFound = false;
    final HeadElement headElem = StyleSheetLoader.getHeadElement();
    final List<Element> toRemove = new ArrayList<Element>();
    NodeList<Node> children = headElem.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node node = children.getItem(i);
        if (node.getNodeType() == Node.ELEMENT_NODE) {
            Element elem = Element.as(node);
            if (elem.getTagName().equalsIgnoreCase("link")
                    && elem.getPropertyString("rel").equalsIgnoreCase("stylesheet")) {
                styleSheetsFound = true;
                String href = elem.getPropertyString("href");
                // If the correct style sheets are already loaded, then we should have
                // nothing to remove.
                if (!href.contains(gwtStyleSheet) && !href.contains(showcaseStyleSheet)) {
                    toRemove.add(elem);
                }
            }
        }
    }

    // Return if we already have the correct style sheets
    if (styleSheetsFound && toRemove.size() == 0) {
        return;
    }

    // Detach the app while we manipulate the styles to avoid rendering issues
    RootPanel.get().remove(app);

    // Remove the old style sheets
    for (Element elem : toRemove) {
        headElem.removeChild(elem);
    }

    // Load the GWT theme style sheet
    String modulePath = GWT.getModuleBaseURL();
    Command callback = new Command() {
        /**
         * The number of style sheets that have been loaded and executed this
         * command.
         */
        private int numStyleSheetsLoaded = 0;

        public void execute() {
            // Wait until all style sheets have loaded before re-attaching the app
            numStyleSheetsLoaded++;
            if (numStyleSheetsLoaded < 2) {
                return;
            }

            // Different themes use different background colors for the body
            // element, but IE only changes the background of the visible content
            // on the page instead of changing the background color of the entire
            // page. By changing the display style on the body element, we force
            // IE to redraw the background correctly.
            RootPanel.getBodyElement().getStyle().setProperty("display", "none");
            RootPanel.getBodyElement().getStyle().setProperty("display", "");
            RootPanel.get().add(app);
        }
    };
    StyleSheetLoader.loadStyleSheet(modulePath + gwtStyleSheet, getCurrentReferenceStyleName("gwt"), callback);

    // Load the showcase specific style sheet after the GWT theme style sheet so
    // that custom styles supercede the theme styles.
    StyleSheetLoader.loadStyleSheet(modulePath + showcaseStyleSheet,
            getCurrentReferenceStyleName("Application"), callback);
}

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From source file:net.zschech.gwt.comet.client.impl.IEHTMLFileCometTransport.java

License:Apache License

private void collect() {
    NodeList<Node> childNodes = body.getChildNodes();
    if (childNodes.getLength() > 1) {
        body.removeChild(childNodes.getItem(0));
    }//from w  ww  . j  a  v  a2 s  .  c o m
}

---

From source file:nz.co.doltech.gwt.sdm.SuperDevCompiler.java

License:Apache License

public Element getDevModeOnScriptElement() {
    HeadElement head = Document.get().getHead();
    NodeList<Node> childNodes = head.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node childNode = childNodes.getItem(i);
        if (Element.is(childNode)) {
            Element child = childNode.cast();
            if (ScriptElement.is(child)) {
                ScriptElement scriptElement = ScriptElement.as(child);
                String scriptSrc = scriptElement.getSrc();
                if (scriptSrc != null && scriptSrc.contains("dev_mode_on.js")) {
                    return child;
                }// w ww .  j  av  a  2 s  . c  o m
            }
        }
    }
    return null;
}

---

From source file:org.activityinfo.ui.client.page.app.SectionTabStrip.java

License:Open Source License

public void setSelection(Section section) {
    NodeList<com.google.gwt.user.client.Element> tabs = El.fly(sectionDiv).select("." + style.section());
    for (int i = 0; i != tabs.getLength(); ++i) {
        Element tab = tabs.getItem(i).cast();
        if (section != null && i == section.ordinal()) {
            tab.addClassName(style.activeSection());
        } else {/*from   www . j  a v  a  2 s.  co m*/
            tab.removeClassName(style.activeSection());
        }
    }
}

---

From source file:org.activityinfo.ui.client.widget.CellTableHeaderWidthApplier.java

License:Open Source License

private void setHeaderWidthInformation(boolean shouldAffix) {

    // header//from  w w  w  .  ja  v a  2  s.  c  o m
    if (shouldAffix) {
        table.getTableHeadElement().getStyle().setWidth(headerWidth, Style.Unit.PX);
    } else {
        table.getTableHeadElement().getStyle().clearWidth();
    }

    final NodeList<TableRowElement> headerRows = table.getTableHeadElement().getRows();
    for (int i = 0; i < headerRows.getLength(); i++) {
        final TableRowElement row = headerRows.getItem(i);

        // rows
        if (shouldAffix) {
            row.getStyle().setWidth(headerRowToWidthMap.get(i), Style.Unit.PX);
        } else {
            row.getStyle().clearWidth();
        }

        // cells
        final NodeList<TableCellElement> cells = row.getCells();
        for (int j = 0; j < cells.getLength(); j++) {
            final TableCellElement cell = cells.getItem(j);

            if (shouldAffix) {
                cell.getStyle().setWidth(headerCellToWidthMap.get(new Pair<>(i, j)), Style.Unit.PX);
            } else {
                cell.getStyle().clearWidth();
            }
        }
    }
}

---

From source file:org.activityinfo.ui.client.widget.CellTableHeaderWidthApplier.java

License:Open Source License

public void saveHeaderWidthInformation() {
    headerWidth = table.getTableHeadElement().getOffsetWidth();
    final NodeList<TableRowElement> headerRows = table.getTableHeadElement().getRows();
    for (int i = 0; i < headerRows.getLength(); i++) {
        final TableRowElement row = headerRows.getItem(i);
        headerRowToWidthMap.put(i, row.getOffsetWidth());

        final NodeList<TableCellElement> cells = row.getCells();
        for (int j = 0; j < cells.getLength(); j++) {
            final TableCellElement cell = cells.getItem(j);
            headerCellToWidthMap.put(new Pair<>(i, j), cell.getOffsetWidth());
        }/*from   www.ja va 2 s.  co  m*/
    }
}

---

From source file:org.adamtacy.client.ui.effects.impl.Resize.java

License:Apache License

private void createInternalEffectsPerElement(Element currEl) {

    NodeList<Node> nodes = currEl.getChildNodes();
    if (nodes != null) {
        for (int i = 0; i < nodes.getLength(); i++) {
            Node n = nodes.getItem(i);
            if (n.getNodeType() == Node.ELEMENT_NODE) {
                createInternalEffectsPerElement((Element) nodes.getItem(i));
            }/*  w w w .  j a v  a 2 s  . c  o m*/
        }
    }

    Vector<ChangeInterface> temp = new Vector<ChangeInterface>();

    String name = currEl.getNodeName();
    if (triggerDOM.contains(name)) {
        GWT.log("Resize Effect is Processing: " + name, null);

        int startVal;
        int endVal;
        // Deal with Widths
        startVal = getStartWidth(currEl);
        endVal = getEndWidth(currEl);
        if (startVal != endVal) {
            NChangeScalarAction theWidthChange = new NChangeScalarAction(startVal + "px", endVal + "px");
            temp.add(theWidthChange);
            theWidthChange.setUp(currEl, "width", 0);
        }

        // Deal with Heights
        startVal = getStartHeight(currEl);
        endVal = getEndHeight(currEl);
        if (startVal != endVal) {
            NChangeScalarAction theHeightChange = new NChangeScalarAction(startVal + "px", endVal + "px");
            temp.add(theHeightChange);
            theHeightChange.setUp(currEl, "height", 0);
        }

        // Deal with Fonts
        String res = StyleImplementation.getComputedStyle(currEl, "fontSize");

        if (res != null) {
            // We have a font to play with
            String unit = StyleImplementation.getUnits(res);
            double value = -1;
            if (unit == null || unit.equals("")) {
                // Assume we're dealing with a named font-size, as there are no units
                // so, find where this name is in our vector of font size names
                int scale = fontSizes.indexOf(res);
                // If we found it, calculate the font size
                if (scale > -1) {
                    value = (double) Math
                            .round(Math.pow(fontSizeScalingFactor, (scale - standardIndex)) * standardFontSize);
                    unit = standardFontUnit;
                }
            } else {
                // Not a named font-size, so get the value
                value = (new Double(StyleImplementation.getValue(res, unit))).doubleValue();
            }
            if (value > -1) {
                NChangeScalarAction theFontChange = new NChangeScalarAction((int) (value * startXRatio) + unit,
                        (int) (value * endXRatio) + unit);
                theFontChange.setUp(currEl, "fontSize", 0);
                temp.add(theFontChange);
            } else {
                GWT.log("Don't know what to do with this font-size definition: " + res, null);
            }
        }

        // Do we need to manage bounding box aspects, e.g. margin etc?
        if (managesMargin)
            temp.addAll(getBoxChanges("margin", currEl));
        if (managesBorder)
            temp.addAll(getBoxChanges("border", currEl));
        if (managesPadding)
            temp.addAll(getBoxChanges("padding", currEl));

        // Put all ChangeInterfaces together into the determinedEffects object for future management
        determinedEffects.put(currEl, temp);

    } else {
        GWT.log("Resize Effect is Not Processing: " + name, null);
    }
    temp = null;
}

---

From source file:org.artificer.ui.client.local.util.DOMUtil.java

License:Apache License

/**
 * Gets an element from the given parent element by ID.
 * @param context//from   w ww .  j  a  v a  2  s  . co  m
 * @param id
 */
public static Element findElementById(Element context, String id) {
    NodeList<Node> nodes = context.getChildNodes();
    for (int i = 0; i < nodes.getLength(); i++) {
        Node node = nodes.getItem(i);
        if (((node.getNodeType() == Node.ELEMENT_NODE))) {
            if (id.equals(((Element) node).getAttribute("id"))) {
                return (Element) node;
            } else {
                Element elem = findElementById((Element) node, id);
                if (elem != null) {
                    return elem;
                }
            }
        }
    }
    return null;
}

---

From source file:org.atmosphere.gwt.client.impl.IFrameCometTransport.java

License:Apache License

private void collect() {
    if (body != null) {
        NodeList<Node> childNodes = body.getChildNodes();
        if (childNodes.getLength() > 1) {
            body.removeChild(childNodes.getItem(0));
        }/*from  ww w  . j a v a  2  s .c  o  m*/
    }
}

---

From source file:org.bonitasoft.console.client.mvp.TemplateRepeat.java

License:Open Source License

@Override
public boolean resetFocus(Context context, Element parent, T value) {
    final NodeList<Element> elements = parent.getElementsByTagName("input");
    if (elements.getLength() > 0) {
        InputElement.as(elements.getItem(0)).focus();
        return true;
    }//  ww  w .j  a v a2 s .  com
    return false;
}

---

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