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/*******************************************************************************
* Copyright (c) 2006 Sybase, Inc. and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Sybase, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.pagedesigner.utils;
import java.util.Iterator;
import java.util.Map;
import org.eclipse.jst.pagedesigner.IJMTConstants;
import org.eclipse.jst.pagedesigner.PDPlugin;
import org.eclipse.jst.pagedesigner.common.logging.Logger;
import org.eclipse.jst.pagedesigner.dom.DOMPositionHelper;
import org.eclipse.jst.pagedesigner.dom.IDOMPosition;
import org.eclipse.jst.pagedesigner.dom.JSFValidatorSupport;
import org.eclipse.jst.pagedesigner.editors.palette.IPaletteItemDescriptor;
import org.eclipse.jst.pagedesigner.editors.palette.impl.PaletteElementTemplateHelper;
import org.eclipse.jst.pagedesigner.viewer.IHTMLGraphicalViewer;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMElement;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel;
import org.w3c.dom.Element;
/**
* @author mengbo
* @version 1.5
*/
public class CommandUtil {
private static final Logger _log = PDPlugin.getLogger(CommandUtil.class);
public static Element excuteInsertion(IPaletteItemDescriptor itemDes,
IHTMLGraphicalViewer viewer, IDOMPosition domPosition) {
return excuteInsertion(itemDes, viewer.getModel(), domPosition);
}
public static Element excuteInsertion(IPaletteItemDescriptor itemDes,
IDOMModel model, IDOMPosition domPosition) {
try {
IDOMPosition position = DOMPositionHelper.splitText(domPosition);
String uri = itemDes.getURI();
String localname = itemDes.getTagName();
if (IJMTConstants.URI_HTML.equals(uri)) {
localname = localname.toUpperCase();
}
position = BodyHelper
.adjustInsertPosition(uri, localname, position);
position = prepareJSFValidity(position, itemDes);
if (position == null) {
// user cancelled
return null;
}
// because the next call of getPrefix() may insert new taglib node
// into the document, if we use the normal
// DOMPositin which use index, maybe it will be invalidated by the
// new taglib node. So use RefPosition here.
position = DOMPositionHelper.toDOMRefPosition(position);
String prefix = getPrefix(uri, model, itemDes.getDefaultPrefix());
Element ele = model.getDocument().createElement(localname);
// XXX: we are using "startsWith("directive.")" to test whether
// should setJSPTag, this
// maybe is not the best way. Need check whether SSE have special
// API for it.
if (IJMTConstants.URI_JSP.equals(uri)
&& (ele.getLocalName().startsWith("directive.")
|| "declaration".equals(ele.getLocalName())
|| "expression".equals(ele.getLocalName()) || "scriptlet"
.equals(ele.getLocalName()))) {
// it is a jsp tag
((IDOMElement) ele).setJSPTag(true);
}
if (prefix != null) {
ele.setPrefix(prefix);
}
// Generate the node according to template.
PaletteElementTemplateHelper.applyTemplate(model, ele, itemDes);
Map map = itemDes.getInitialAttributes();
if (map != null) {
for (Iterator iter = map.keySet().iterator(); iter.hasNext();) {
String attrname = (String) iter.next();
String attrvalue = (String) map.get(attrname);
ele.setAttribute(attrname, attrvalue);
}
}
if (position.getNextSiblingNode() == null) {
position.getContainerNode().appendChild(ele);
} else {
position.getContainerNode().insertBefore(ele,
position.getNextSiblingNode());
}
return ele;
} catch (Exception e) {
_log.info("Invalid insertion in position:" + domPosition + "\n", e);
return null;
}
}
public static IDOMPosition prepareJSFValidity(IDOMPosition position,
IPaletteItemDescriptor item) {
if (item.isJSFComponent()) {
return JSFValidatorSupport.prepareInsertJSFComponent(position, item
.getURI(), item.getTagName(), item.isRequireHForm());
} else {
return position;
}
}
// /**
// * Simple validity checking. Currently only support automatically insert
// <f:view>and <f:form>tag for user.
// * @param position
// * @param uri
// * @param localname
// * @return
// */
// private static IDOMPosition checkValidity(IDOMPosition position, String
// uri, String localname)
// {
// if (IJMTConstants.URI_JSF_CORE.equals(uri) ||
// IJMTConstants.URI_JSF_HTML.equals(uri))
// {
// return JSFValidatorSupport.prepareInsertJSFComponent(position, uri,
// localname);
// }
// return position;
// }
/*
* (non-Javadoc)
*
* @see org.eclipse.jst.pagedesigner.requests.NodeCreationFactory#getPrefix(int)
*/
private static String getPrefix(String uri, IDOMModel model,
String suggested) {
if (IJMTConstants.URI_HTML.equals(uri)
|| IJMTConstants.URI_JSP.equals(uri)) {
return null;
}
// now handles custom tag lib
return JSPUtil.getOrCreatePrefix(model, uri, suggested);
}
}
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