package org.apache.myfaces.tobago.renderkit.html.scarborough.standard.tag;
/*
* Copyright 2002-2005 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Created 07.02.2003 16:00:00.
* $Id: TreeNodeRenderer.java 374936 2006-02-04 21:47:46Z bommel $
*/
import org.apache.commons.lang.StringEscapeUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import static org.apache.myfaces.tobago.TobagoConstants.ATTR_MUTABLE;
import static org.apache.myfaces.tobago.TobagoConstants.ATTR_NAME;
import static org.apache.myfaces.tobago.TobagoConstants.ATTR_SELECTABLE;
import org.apache.myfaces.tobago.component.ComponentUtil;
import org.apache.myfaces.tobago.component.UITree;
import org.apache.myfaces.tobago.component.UITreeNode;
import org.apache.myfaces.tobago.model.TreeState;
import org.apache.myfaces.tobago.renderkit.RendererBase;
import javax.faces.component.NamingContainer;
import javax.faces.component.UICommand;
import javax.faces.component.UIComponent;
import javax.faces.component.UIForm;
import javax.faces.component.UIParameter;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.event.ActionEvent;
import javax.swing.tree.DefaultMutableTreeNode;
import java.io.IOException;
import java.util.Iterator;
import java.util.Map;
public class TreeNodeRenderer extends RendererBase {
private static final Log LOG = LogFactory.getLog(TreeNodeRenderer.class);
public void decode(FacesContext facesContext, UIComponent component) {
if (ComponentUtil.isOutputOnly(component)) {
return;
}
UITreeNode node = (UITreeNode) component;
UITree tree = node.findTreeRoot();
TreeState state = tree.getState();
String treeId = tree.getClientId(facesContext);
String nodeId = node.getId();
final Map requestParameterMap
= facesContext.getExternalContext().getRequestParameterMap();
// expand state
String expandState = (String) requestParameterMap.get(treeId);
String searchString = ";" + nodeId + ";";
if (expandState.indexOf(searchString) > -1) {
state.addExpandState((DefaultMutableTreeNode) node.getValue());
}
if (TreeRenderer.isSelectable(tree)) { // selection
String selected = (String) requestParameterMap.get(treeId + UITree.SELECT_STATE);
searchString = ";" + nodeId + ";";
if (selected.indexOf(searchString) > -1) {
state.addSelection((DefaultMutableTreeNode) node.getValue());
}
}
// marker
String marked = (String) requestParameterMap.get(treeId + UITree.MARKER);
if (marked != null) {
searchString = treeId + NamingContainer.SEPARATOR_CHAR + nodeId;
if (marked.equals(searchString)) {
state.setMarker((DefaultMutableTreeNode) node.getValue());
}
}
// link
// FIXME: this is equal to the CommandRendererBase, why not use that code?
String actionId = ComponentUtil.findPage(component).getActionId();
if (LOG.isDebugEnabled()) {
LOG.debug("actionId = '" + actionId + "'");
LOG.debug("nodeId = '" + treeId + NamingContainer.SEPARATOR_CHAR
+ nodeId + "'");
}
if (actionId != null
&& actionId.equals(treeId + NamingContainer.SEPARATOR_CHAR + nodeId)) {
UICommand treeNodeCommand
= (UICommand) tree.getFacet(UITree.FACET_TREE_NODE_COMMAND);
if (treeNodeCommand != null) {
UIParameter parameter = ensureTreeNodeParameter(treeNodeCommand);
parameter.setValue(node.getId());
// LOG.error("no longer supported: treeNodeCommand.fireActionEvent(facesContext));");
// treeNodeCommand.fireActionEvent(facesContext); // FIXME jsfbeta
// component.queueEvent(new ActionEvent(component));
treeNodeCommand.queueEvent(new ActionEvent(treeNodeCommand));
}
UIForm form = ComponentUtil.findForm(component);
if (form != null) {
form.setSubmitted(true);
if (LOG.isDebugEnabled()) {
LOG.debug("setting Form Active: " + form.getClientId(facesContext));
}
}
if (LOG.isDebugEnabled()) {
LOG.debug("actionId: " + actionId);
LOG.debug("nodeId: " + nodeId);
}
}
node.setValid(true);
}
private static UIParameter ensureTreeNodeParameter(UICommand command) {
UIParameter treeNodeParameter = null;
for (Iterator i = command.getChildren().iterator(); i.hasNext();) {
UIComponent component = (UIComponent) i.next();
if (component instanceof UIParameter) {
UIParameter parameter = (UIParameter) component;
if (parameter.getName().equals(UITree.PARAMETER_TREE_NODE_ID)) {
treeNodeParameter = parameter;
}
}
}
if (treeNodeParameter == null) {
treeNodeParameter = new UIParameter();
treeNodeParameter.setName(UITree.PARAMETER_TREE_NODE_ID);
}
return treeNodeParameter;
}
public void encodeBeginTobago(FacesContext facesContext,
UIComponent component) throws IOException {
UITreeNode treeNode = (UITreeNode) component;
String clientId = treeNode.getClientId(facesContext);
UIComponent parent = treeNode.getParent();
String parentClientId = null;
if (parent != null && parent instanceof UITreeNode) { // if not the root node
parentClientId = treeNode.getParent().getClientId(facesContext);
}
UITree root = treeNode.findTreeRoot();
String rootId = root.getClientId(facesContext);
String jsClientId = TreeRenderer.createJavascriptVariable(clientId);
String jsParentClientId = TreeRenderer.createJavascriptVariable(
parentClientId);
// rootId = HtmlUtils.createJavascriptVariable(rootId);
TreeState treeState = root.getState();
if (treeState == null) {
if (LOG.isDebugEnabled()) {
LOG.debug("No treeState found. clientId=" + clientId);
}
} else {
DefaultMutableTreeNode node = (DefaultMutableTreeNode) treeNode.getValue();
ResponseWriter writer = facesContext.getResponseWriter();
String debuging = null;
writer.writeText("var ", null);
writer.writeText(jsClientId, null);
writer.writeText(" = new ", null);
if (component.getChildCount() == 0) {
writer.writeText("TreeNode", null);
} else {
writer.writeText("TreeFolder", null);
}
writer.writeText("('", null);
Object name = treeNode.getAttributes().get(ATTR_NAME);
if (LOG.isDebugEnabled()) {
debuging += name + " : ";
}
if (name != null) {
writer.writeText(StringEscapeUtils.escapeJavaScript(name.toString()), null);
} else {
LOG.warn("name = null");
}
writer.writeText("','", null);
writer.writeText(clientId, null);
writer.writeText("',", null);
writer.writeText(Boolean.toString(!root.isShowIcons()), null);
writer.writeText(",", null);
writer.writeText(Boolean.toString(!root.isShowJunctions()), null);
writer.writeText(",", null);
writer.writeText(Boolean.toString(!root.isShowRootJunction()), null);
writer.writeText(",", null);
writer.writeText(Boolean.toString(!root.isShowRoot()), null);
writer.writeText(",'", null);
writer.writeText(rootId, null);
writer.writeText("',", null);
String selectable = ComponentUtil.getStringAttribute(root, ATTR_SELECTABLE);
if (selectable != null
&& (!(selectable.equals("multi") || selectable.equals("multiLeafOnly")
|| selectable.equals("single") || selectable.equals("singleLeafOnly")
|| selectable.equals("sibling") || selectable.equals("siblingLeafOnly")))) {
selectable = null;
}
if (selectable != null) {
writer.writeText("'", null);
writer.writeText(selectable, null);
writer.writeText("'", null);
} else {
writer.writeText("false", null);
}
writer.writeText(",", null);
writer.writeText(Boolean.toString(ComponentUtil.getBooleanAttribute(root,
ATTR_MUTABLE)), null);
writer.writeText(",'", null);
writer.writeText(
ComponentUtil.findPage(component).getFormId(facesContext), null);
writer.writeText("',", null);
if (component.getChildCount() == 0
|| (selectable != null && !selectable.endsWith("LeafOnly"))) {
boolean selected = treeState.isSelected(node);
writer.writeText(Boolean.toString(selected), null);
if (LOG.isDebugEnabled()) {
debuging += selected ? "S" : "-";
}
} else {
writer.writeText("false", null);
if (LOG.isDebugEnabled()) {
debuging += "-";
}
if (treeState.isSelected(node)) {
LOG.warn("Ignore selected FolderNode in LeafOnly selection tree!");
}
}
writer.writeText(",", null);
writer.writeText(Boolean.toString(treeState.isMarked(node)), null);
if (component.getChildCount() > 0) {
writer.writeText(",", null);
boolean expanded = treeState.isExpanded(node);
writer.writeText(Boolean.toString(expanded), null);
if (LOG.isDebugEnabled()) {
debuging += expanded ? "E" : "-";
}
}
writer.writeText(",", null);
writer.writeText(Boolean.toString(root.isRequired()), null);
writer.writeText(",treeResourcesHelp);\n", null);
if (jsParentClientId != null) { // if not the root node
writer.writeText(jsParentClientId, null);
writer.writeText(".add(", null);
writer.writeText(jsClientId, null);
writer.writeText(");\n", null);
}
if (LOG.isDebugEnabled()) {
LOG.debug(debuging);
}
}
}
// ///////////////////////////////////////////// bean getter + setter
}