/*******************************************************************************
* Copyright (c) 2007-2010 Red Hat, Inc.
* Distributed under license by Red Hat, Inc. All rights reserved.
* This program is 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
*
* Contributor:
* Red Hat, Inc. - initial API and implementation
******************************************************************************/
package org.jboss.tools.jsf.vpe.jbpm.template;
import java.util.ArrayList;
import java.util.List;
import org.jboss.tools.vpe.editor.context.VpePageContext;
import org.jboss.tools.vpe.editor.template.VpeAbstractTemplate;
import org.jboss.tools.vpe.editor.template.VpeChildrenInfo;
import org.jboss.tools.vpe.editor.template.VpeCreationData;
import org.jboss.tools.vpe.editor.util.Constants;
import org.jboss.tools.vpe.editor.util.HTML;
import org.mozilla.interfaces.nsIDOMDocument;
import org.mozilla.interfaces.nsIDOMElement;
import org.mozilla.interfaces.nsIDOMNode;
import org.mozilla.interfaces.nsIDOMNodeList;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
/**
*
* @author yzhishko
*
*/
public class JBPMDataForm extends VpeAbstractTemplate {
private static final String JBPM_FORM_HEADER_TYPE = "vpe-jbpm-form-header"; //$NON-NLS-1$
public VpeCreationData create(VpePageContext pageContext, Node sourceNode,
nsIDOMDocument visualDocument) {
nsIDOMElement element = visualDocument.createElement(HTML.TAG_TABLE);
Element sourceElement = (Element) sourceNode;
element.setAttribute(HTML.ATTR_STYLE,
computeBaseTableStyleValue() +
(sourceElement.hasAttribute(HTML.ATTR_STYLE) ?
sourceElement.getAttribute(HTML.ATTR_STYLE) : Constants.EMPTY));
VpeCreationData creationData = new VpeCreationData(element);
VpeChildrenInfo childrenInfo = new VpeChildrenInfo(element);
NodeList children = sourceNode.getChildNodes();
for (int i = 0; i < children.getLength(); i++) {
Node childNode = children.item(i);
if (childNode instanceof Element) {
if (childNode.getNodeName().endsWith(":datacell") || childNode.getNodeName().endsWith(":facet")) { //$NON-NLS-1$ //$NON-NLS-2$
childrenInfo.addSourceChild(childNode);
}
}
}
creationData.addChildrenInfo(childrenInfo);
return creationData;
}
@Override
public void validate(VpePageContext pageContext, Node sourceNode,
nsIDOMDocument visualDocument, VpeCreationData data) {
nsIDOMNode visualNode = data.getNode();
nsIDOMElement visualTable = (nsIDOMElement) visualNode
.queryInterface(nsIDOMElement.NS_IDOMELEMENT_IID);
nsIDOMElement[] tableRows = getTableRows(visualTable);
nsIDOMElement formHeader = getDataFormHeader(visualTable);
while (visualTable.hasChildNodes()) {
visualTable.removeChild(visualTable.getFirstChild());
}
nsIDOMElement colFroupElement = visualDocument
.createElement(HTML.TAG_COLGROUP);
colFroupElement.setAttribute(HTML.ATTR_SPAN, "2"); //$NON-NLS-1$
visualTable.appendChild(colFroupElement);
nsIDOMElement theadElement = visualDocument
.createElement(HTML.TAG_THEAD);
nsIDOMElement trHeadElement = visualDocument.createElement(HTML.TAG_TR);
theadElement.appendChild(trHeadElement);
visualTable.appendChild(theadElement);
if (formHeader != null) {
trHeadElement.appendChild(formHeader);
}
nsIDOMElement tbodyElement = visualDocument
.createElement(HTML.TAG_TBODY);
visualTable.appendChild(tbodyElement);
for (int i = 0; i < tableRows.length; i++) {
tbodyElement.appendChild(tableRows[i]);
}
}
private nsIDOMElement[] getTableRows(nsIDOMElement tableElement) {
List<nsIDOMElement> rowElements = new ArrayList<nsIDOMElement>(0);
nsIDOMNodeList tableList = tableElement
.getElementsByTagName(HTML.TAG_TR);
if (tableList != null) {
for (int i = 0; i < tableList.getLength(); i++) {
rowElements.add((nsIDOMElement) tableList.item(i)
.queryInterface(nsIDOMElement.NS_IDOMELEMENT_IID));
}
}
return rowElements.toArray(new nsIDOMElement[0]);
}
private nsIDOMElement getDataFormHeader(nsIDOMElement tableElement) {
nsIDOMNodeList headsList = tableElement
.getElementsByTagName(HTML.TAG_TH);
if (headsList == null) {
return null;
}
for (int i = 0; i < headsList.getLength(); i++) {
nsIDOMElement element = (nsIDOMElement) headsList.item(i)
.queryInterface(nsIDOMElement.NS_IDOMELEMENT_IID);
if (JBPM_FORM_HEADER_TYPE.equals(element
.getAttribute("vpe-pseudo-type"))) { //$NON-NLS-1$
return element;
}
}
return null;
}
private String computeBaseTableStyleValue() {
StringBuilder builder = new StringBuilder(""); //$NON-NLS-1$
builder.append("font-family:verdana,sans-serif;"); //$NON-NLS-1$
builder.append("font-size:10pt;"); //$NON-NLS-1$
builder.append("font-weight:normal;"); //$NON-NLS-1$
builder.append("margin-right:auto;"); //$NON-NLS-1$
builder.append("margin-left:auto;"); //$NON-NLS-1$
builder.append("border-collapse:collapse;"); //$NON-NLS-1$
builder.append("border:1px solid #000000"); //$NON-NLS-1$
return builder.toString();
}
}