createlinkcommand.cpp

linux下开源浏览器WebKit的源码,市面上的很多商用浏览器都是移植自WebKit

/*
 * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */

#include "config.h"
#include "CreateLinkCommand.h"
#include "htmlediting.h"
#include "Text.h"

#include "HTMLAnchorElement.h"

namespace WebCore {

CreateLinkCommand::CreateLinkCommand(Document* document, const String& url) 
    : CompositeEditCommand(document)
{
    m_url = url;
}

void CreateLinkCommand::doApply()
{
    if (endingSelection().isNone())
        return;
        
    RefPtr<HTMLAnchorElement> anchorElement = new HTMLAnchorElement(document());
    anchorElement->setHref(m_url);
    
    if (endingSelection().isRange()) {
        pushPartiallySelectedAnchorElementsDown();
        applyStyledElement(anchorElement.get());
    } else {
        insertNodeAt(anchorElement.get(), endingSelection().start());
        RefPtr<Text> textNode = new Text(document(), m_url);
        appendNode(textNode.get(), anchorElement.get());
        setEndingSelection(VisibleSelection(positionBeforeNode(anchorElement.get()), positionAfterNode(anchorElement.get()), DOWNSTREAM));
    }
}

}