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

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

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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.xwiki.gwt.wysiwyg.client.plugin.link.LinkMetaDataExtractor.java

License:Open Source License

/**
 * {@inheritDoc}/*from   ww  w. j av a 2 s. c o  m*/
 * 
 * @see InnerHTMLListener#onInnerHTMLChange(Element)
 */
public void onInnerHTMLChange(Element parent) {
    // look up all images in this subtree
    NodeList<com.google.gwt.dom.client.Element> anchors = parent.getElementsByTagName("a");
    for (int i = 0; i < anchors.getLength(); i++) {
        Element anchor = (Element) anchors.getItem(i);
        processElement(anchor);
    }
}

From source file:org.xwiki.gwt.wysiwyg.client.plugin.list.internal.MozillaListBehaviorAdjuster.java

License:Open Source License

/**
 * {@inheritDoc} In addition to default cleanup, also add a br in each empty list item (&lt;li /&gt;), so that it
 * stays editable./*from w  ww .  j a  v a 2s  . co m*/
 * 
 * @see ListBehaviorAdjuster#cleanUp(Element)
 */
protected void cleanUp(Element element) {
    // default cleanup behavior
    super.cleanUp(element);
    // now for each list item, if it's empty, add a line break inside
    NodeList<com.google.gwt.dom.client.Element> listItems = element.getElementsByTagName(LIST_ITEM_TAG);
    for (int i = 0; i < listItems.getLength(); i++) {
        Element currentListItem = (Element) listItems.getItem(i);
        if (currentListItem.getChildNodes().getLength() == 0) {
            currentListItem.appendChild(element.getOwnerDocument().createBRElement());
        }
    }
}

From source file:org.xwiki.gwt.wysiwyg.client.plugin.list.ListBehaviorAdjuster.java

License:Open Source License

/**
 * Executes lists clean up on the subtree rooted in the element passed as parameter. Lists cleanup consists of:
 * <ul>// ww  w .j  a  va  2  s.c  o m
 * <li>finding all the {@code ul} or {@code ol} tags which are in another {@code ul} or {@code ol} and adding a
 * {@code li} wrapper around each</li>
 * <li>finding all the {@code ul} or {@code ol} tags which are at the beginning (first child) of a list item and
 * making the parent list items editable</li>
 * </ul>
 * (but these operations are executed in a single pass). <br />
 * Note that while these operations are not enough from a strict xhtml cleaning point of view, they address all the
 * practical cases that appear so we chose to limit the operations executed to only these for performance reasons.
 * 
 * @param element the root element of the subtree in which to execute cleanup.
 */
protected void cleanUp(Element element) {
    // find all lists
    NodeList<com.google.gwt.dom.client.Element> orderedLists = element.getElementsByTagName(ORDERED_LIST_TAG);
    NodeList<com.google.gwt.dom.client.Element> unorderedLists = element
            .getElementsByTagName(UNORDERED_LIST_TAG);
    // send them to the actual cleaner
    cleanUpLists(orderedLists);
    cleanUpLists(unorderedLists);

    // Ensure that each list item can be edited.
    NodeList<com.google.gwt.dom.client.Element> listItems = element.getElementsByTagName(LIST_ITEM_TAG);
    for (int i = 0; i < listItems.getLength(); i++) {
        Element.as(listItems.getItem(i)).ensureEditable();
    }
}

From source file:org.xwiki.gwt.wysiwyg.client.plugin.list.ListBehaviorAdjuster.java

License:Open Source License

/**
 * Helper function to handle a list of list elements and clean them.
 * /*from   w  ww  . j a v  a 2  s .  c o m*/
 * @param listElements the list elements to clean up, according to the description at {@link #cleanUp(Element)}
 */
protected void cleanUpLists(NodeList<com.google.gwt.dom.client.Element> listElements) {
    for (int i = 0; i < listElements.getLength(); i++) {
        Element listElement = (Element) listElements.getItem(i);
        // check the parent of this list Element
        if (listElement.getParentNode().getNodeName().equalsIgnoreCase(ORDERED_LIST_TAG)
                || listElement.getParentNode().getNodeName().equalsIgnoreCase(UNORDERED_LIST_TAG)) {
            wrapList(listElement);
        }
        // check if this element is the first element of a list item
        if (listElement.getParentNode().getNodeName().equalsIgnoreCase(LIST_ITEM_TAG)
                && listElement.getPreviousSibling() == null) {
            // is first element
            handleEmptyListItem((Element) listElement.getParentNode());
        }
    }
}

From source file:org.xwiki.gwt.wysiwyg.client.plugin.style.StylePlugin.java

License:Open Source License

/**
 * Initialize the style name picker./* w w w  .  j a  v a  2 s  . co m*/
 */
private void initStyleNamePicker() {
    styleNamePicker = new ListBox();
    styleNamePicker.setTitle(Strings.INSTANCE.stylePickerTitle());
    styleNamePicker.addStyleName("xStyleNamePicker");
    styleNamePicker.addItem(Strings.INSTANCE.stylePickerLabel(), "");
    saveRegistration(styleNamePicker.addChangeHandler(this));

    StyleDescriptorJSONParser parser = new StyleDescriptorJSONParser();
    for (StyleDescriptor descriptor : parser.parse(getConfig().getParameter("styleNames", "[]"))) {
        styleNamePicker.addItem(descriptor.getLabel(), descriptor.getName());
        NodeList<OptionElement> options = SelectElement.as(styleNamePicker.getElement()).getOptions();
        OptionElement option = options.getItem(options.getLength() - 1);
        option.setPropertyBoolean(INLINE, descriptor.isInline());
        (descriptor.isInline() ? inlineStyles : blockStyles).add(option);
    }

    if (blockStyles.size() > 0 && inlineStyles.size() > 0) {
        groupStyleNames(Strings.INSTANCE.styleBlockGroupLabel(), blockStyles);
        groupStyleNames(Strings.INSTANCE.styleInlineGroupLabel(), inlineStyles);
    }
    styleNamePicker.setSelectedIndex(0);

    toolBarExtension.addFeature("stylename", styleNamePicker);
}

From source file:org.xwiki.gwt.wysiwyg.client.plugin.sync.SyncPlugin.java

License:Open Source License

private void removeCursor(Document doc) {
    try {//  w  w  w.ja va2  s  .  c om
        Node cursorNode = null;
        NodeList list = doc.getElementsByTagName("span");
        for (int i = 0; i < list.getLength(); i++) {
            Element element = (Element) list.getItem(i);
            if (element.getId().equals("cursor-" + id)) {
                cursorNode = element;
            }
        }
        if (cursorNode != null) {
            debugMessage("found cursor element");
            Node firstNode = null;
            Node lastNode = null;
            Node pNode = cursorNode;
            NodeList childs = cursorNode.getChildNodes();
            // readd all childs of the cursor to the left of the cursor node
            int nb = childs.getLength();
            for (int i = nb - 1; i >= 0; i--) {
                Node node = childs.getItem(i);
                if (i == 0) {
                    firstNode = node;
                }
                if (i == nb - 1) {
                    lastNode = node;
                }
                // we want to insert the node in it's parent before the cursor Node
                cursorNode.removeChild(node);
                cursorNode.getParentNode().insertBefore(node, pNode);
                pNode = node;
            }
            // remove the cursor node itself
            Node previousNode = cursorNode.getPreviousSibling();
            debugMessage("removing cursor node");
            cursorNode.getParentNode().removeChild(cursorNode);

            debugMessage("creating new range");
            Range range = RangeFactory.INSTANCE.createRange(doc);

            if (firstNode != null) {
                debugMessage("set range with first node and last node");
                range.setStartBefore(firstNode);
                range.setEndAfter(lastNode);
            } else if (previousNode != null) {
                debugMessage("set range with previous node");
                Node nextNode = previousNode.getNextSibling();
                if (nextNode != null) {
                    range.setStart(nextNode, 0);
                } else {
                    range.setStartAfter(previousNode);
                    range.setEndAfter(previousNode);
                    range.collapse(true);
                }
            }

            doc.getSelection().removeAllRanges();
            doc.getSelection().addRange(range);
            getTextArea().setFocus(true);
        } else {
            debugMessage("could not find cursor element");
        }
    } catch (Exception e) {
        debugMessage("Uncaught exception in insertCursor: " + e.getMessage());
    }

}

From source file:org.xwiki.gwt.wysiwyg.client.plugin.table.feature.DeleteCol.java

License:Open Source License

/**
 * {@inheritDoc}/* w ww  . ja  v a 2s  .  c o  m*/
 * 
 * @see AbstractTableFeature#execute(String)
 */
public boolean execute(String parameter) {
    TableCellElement caretCell = TableUtils.getInstance()
            .getCell(TableUtils.getInstance().getCaretNode(rta.getDocument()));
    int cellIndex = caretCell.getCellIndex();
    TableElement table = TableUtils.getInstance().getTable(caretCell);
    NodeList<TableRowElement> rows = table.getRows();

    // Move caret
    TableCellElement newCaretCell = TableUtils.getInstance().getPreviousCellInRow(caretCell);
    if (newCaretCell == null) {
        newCaretCell = TableUtils.getInstance().getNextCellInRow(caretCell);
    }
    if (newCaretCell != null) {
        TableUtils.getInstance().putCaretInNode(rta, newCaretCell);
    }

    // Loop over table rows to delete a cell in each of them
    for (int i = 0; i < rows.getLength(); i++) {
        TableRowElement currentRow = rows.getItem(i);
        currentRow.deleteCell(cellIndex);
    }

    return true;
}

From source file:org.xwiki.gwt.wysiwyg.client.plugin.table.util.TableUtils.java

License:Open Source License

/**
 * Get next cell in cell's row.// www. j a  v  a2 s .  c o  m
 * 
 * @param cell currently edited cell.
 * @return the next TableCellElement if any, null otherwise.
 */
public TableCellElement getNextCellInRow(TableCellElement cell) {
    TableRowElement row = getRow(cell);
    NodeList<TableCellElement> cells = row.getCells();
    if (cells.getLength() > cell.getCellIndex() + 1) {
        return cells.getItem(cell.getCellIndex() + 1);
    } else {
        return null;
    }
}

From source file:org.xwiki.gwt.wysiwyg.client.plugin.table.util.TableUtils.java

License:Open Source License

/**
 * Get next cell in cell's column.//from  w ww  .  j  a va 2s  .c o  m
 * 
 * @param cell currently edited cell.
 * @return the next TableCellElement if any, null otherwise.
 */
public TableCellElement getNextCellInColumn(TableCellElement cell) {
    TableRowElement row = getRow(cell);
    TableElement table = getTable(row);
    NodeList<TableRowElement> rows = table.getRows();
    if (rows.getLength() > row.getRowIndex() + 1) {
        return rows.getItem(row.getRowIndex() + 1).getCells().getItem(cell.getCellIndex());
    } else {
        return null;
    }
}

From source file:org.xwiki.gwt.wysiwyg.client.plugin.table.util.TableUtils.java

License:Open Source License

/**
 * Insert a column in the currently edited table.
 * /*from ww w.  j  ava2 s  .  co m*/
 * @param doc the Document to get the selection from.
 * @param insertBefore indicates the creation position relatively to the currently edited column.
 */
public void insertCol(Document doc, boolean insertBefore) {
    TableCellElement cell = getCell(getCaretNode(doc));
    TableElement table = getTable(cell);
    NodeList<TableRowElement> rows = table.getRows();
    int index = cell.getCellIndex();

    // Loop over table rows to create a new cell in each of them
    for (int i = 0; i < rows.getLength(); i++) {
        TableRowElement currentRow = rows.getItem(i);
        TableCellElement newCell;

        if (isHeaderRow(currentRow)) {
            newCell = doc.createTHElement();
            if (insertBefore) {
                currentRow.insertBefore(newCell, currentRow.getCells().getItem(index));
            } else {
                DOMUtils.getInstance().insertAfter(newCell, currentRow.getCells().getItem(index));
            }
        } else {
            newCell = currentRow.insertCell(insertBefore ? index : index + 1);
        }
        newCell.setInnerHTML(CELL_DEFAULTHTML);
    }
}