/*******************************************************************************
* Copyright (c) 2007 Exadel, Inc. and 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
*
* Contributors:
* Exadel, Inc. and Red Hat, Inc. - initial API and implementation
******************************************************************************/
package org.jboss.tools.jsf.model.handlers;
import java.util.*;
import org.eclipse.core.resources.*;
import org.eclipse.core.runtime.*;
import org.jboss.tools.common.meta.action.impl.*;
import org.jboss.tools.common.meta.action.impl.handlers.DefaultRemoveHandler;
import org.jboss.tools.common.model.*;
import org.jboss.tools.common.model.util.XModelObjectLoaderUtil;
import org.jboss.tools.jsf.messages.JSFUIMessages;
import org.jboss.tools.jsf.model.*;
import org.jboss.tools.jsf.model.helpers.*;
import org.jboss.tools.jsf.model.impl.NavigationRuleObjectImpl;
import org.jboss.tools.jst.web.model.ReferenceObject;
public class RenameViewSupport extends SpecialWizardSupport implements JSFConstants {
String initialPath;
ReferenceGroupImpl group;
XModelObject page;
ReferenceObject item;
public void reset() {
initGroup();
initialPath = group.getAttributeValue("path"); //$NON-NLS-1$
initialPath = AddViewSupport.revalidatePath(initialPath);
page = (JSFProcessHelper.isPattern(initialPath)) ? null : getTarget().getModel().getByPath(initialPath);
setAttributeValue(0, ATT_FROM_VIEW_ID, initialPath);
}
void initGroup() {
String entity = getTarget().getModelEntity().getName();
item = null;
if(ENT_PROCESS_GROUP.equals(entity)) {
group = (ReferenceGroupImpl)getTarget();
} else if(ENT_PROCESS_ITEM.equals(entity)) {
group = (ReferenceGroupImpl)getTarget().getParent();
if(group.getChildren().length > 1) item = (ReferenceObject)getTarget();
}
}
public void action(String name) throws XModelException {
if(FINISH.equals(name)) {
execute();
setFinished(true);
} else if(CANCEL.equals(name)) {
setFinished(true);
} else if(HELP.equals(name)) {
help();
}
}
public String[] getActionNames(int stepId) {
return new String[]{FINISH, CANCEL, HELP};
}
void execute() throws XModelException {
Properties p = extractStepData(0);
String path = AddViewSupport.revalidatePath(p.getProperty(ATT_FROM_VIEW_ID));
if(initialPath.equals(path)) return;
JSFProcessHelper h = JSFProcessHelper.getHelper(JSFProcessStructureHelper.instance.getProcess(group));
h.addUpdateLock(this);
try {
if(item != null) {
extract(initialPath, path);
} else {
replace(group, initialPath, path);
if(page != null && "true".equals(p.getProperty("rename file")) && isFieldEditorEnabled(0, "rename file", p)) { //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
try {
renameFile(page, path);
} catch (CoreException e) {
throw new XModelException(e);
}
}
}
} finally {
h.removeUpdateLock(this);
h.updateProcess();
}
}
public boolean isActionEnabled(String name) {
if(FINISH.equals(name)) {
String path = getAttributeValue(0, ATT_FROM_VIEW_ID);
path = AddViewSupport.revalidatePath(path);
if(initialPath.equals(path)) return false;
}
return true;
}
public boolean isFieldEditorEnabled(int stepId, String name, Properties values) {
if(name.equals("rename file")) { //$NON-NLS-1$
if(page == null) return false;
if(item != null) return false; // only one rule shall be renamed
String path = AddViewSupport.revalidatePath(values.getProperty(ATT_FROM_VIEW_ID));
if(path.equals(initialPath)) return false;
if(JSFProcessHelper.isPattern(path)) return false;
XModelObject page2 = getTarget().getModel().getByPath(path);
if(page2 != null) return false;
}
return true;
}
public static void replace(ReferenceGroupImpl group, String oldPath, String newPath) throws XModelException {
String pp = NavigationRuleObjectImpl.toNavigationRulePathPart(newPath);
boolean isPattern = JSFProcessHelper.isPattern(newPath);
XModel model = group.getModel();
XModelObject process = group.getParent();
FileFacesConfigImpl fcg = (FileFacesConfigImpl)process.getParent();
int count = fcg.getRuleCount(newPath);
XModelObject[] rs = group.getReferences();
for (int i = rs.length - 1; i >= 0; i--) {
model.changeObjectAttribute(rs[i], "index", "1000"); //$NON-NLS-1$ //$NON-NLS-2$
model.changeObjectAttribute(rs[i], ATT_FROM_VIEW_ID, newPath);
model.changeObjectAttribute(rs[i], "index", "" + (count + i)); //$NON-NLS-1$ //$NON-NLS-2$
}
if(process.getChildByPath(pp) == null) {
model.changeObjectAttribute(group, ATT_NAME, pp);
model.changeObjectAttribute(group, ATT_PATH, newPath);
} else if(isPattern && rs.length > 0) {
String index = rs[0].getAttributeValue("index"); //$NON-NLS-1$
String ppi = pp + ":" + index; //$NON-NLS-1$
group.setAttributeValue(ATT_PATH, newPath);
if(process.getChildByPath(ppi) == null) {
model.changeObjectAttribute(group, ATT_NAME, ppi);
}
} else if(isPattern && rs.length == 0) {
int index = -1;
while(process.getChildByPath(pp + ":" + index) != null) index--; //$NON-NLS-1$
String ppi = pp + ":" + index; //$NON-NLS-1$
model.changeObjectAttribute(group, ATT_PATH, newPath);
model.changeObjectAttribute(group, ATT_NAME, ppi);
} else if(!isPattern && rs.length == 0) {
DefaultRemoveHandler.removeFromParent(group);
}
XModelObject[] gs = process.getChildren(ENT_PROCESS_GROUP);
for (int i = 0; i < gs.length; i++) {
XModelObject[] is = gs[i].getChildren(ENT_PROCESS_ITEM);
for (int j = 0; j < is.length; j++) {
XModelObject[] os = is[j].getChildren(ENT_PROCESS_ITEM_OUTPUT);
for (int k = 0; k < os.length ; k++) {
if(!oldPath.equals(os[k].getAttributeValue(ATT_PATH))) continue;
ReferenceObject output = (ReferenceObject)os[k];
XModelObject c = output.getReference();
if(c != null) {
model.changeObjectAttribute(c, ATT_TO_VIEW_ID, newPath);
}
}
}
}
}
public static void renameFile(XModelObject page, String path) throws XModelException, CoreException {
IResource r = (IResource)page.getAdapter(IResource.class);
String initialPath = XModelObjectLoaderUtil.getResourcePath(page);
String p = r.getFullPath().toString();
if(!p.toLowerCase().endsWith(initialPath.toLowerCase())) return;
p = p.substring(0, p.length() - initialPath.length()) + path;
IPath np = new Path(p);
provideParent(r.getWorkspace().getRoot().getFile(np));
r.move(np, true, null);
page.getModel().update();
}
public static void provideParent(IResource resource) throws XModelException, CoreException {
IResource parent = resource.getParent();
if(parent.exists()) return;
IFolder folder = resource.getWorkspace().getRoot().getFolder(parent.getFullPath());
provideParent(folder);
folder.create(true, true, null);
}
/*
* If action is called on item in a group that has more items,
* the item will be extracted from this group and added to the other,
* or new group will be created.
*/
private void extract(String oldPath, String newPath) throws XModelException {
String pp = NavigationRuleObjectImpl.toNavigationRulePathPart(newPath);
// boolean isPattern = JSFProcessHelper.isPattern(newPath);
XModel model = group.getModel();
XModelObject process = group.getParent();
FileFacesConfigImpl fcg = (FileFacesConfigImpl)process.getParent();
int count = fcg.getRuleCount(newPath);
XModelObject rule = item.getReference();
model.changeObjectAttribute(rule, "index", "1000"); //$NON-NLS-1$ //$NON-NLS-2$
model.changeObjectAttribute(rule, ATT_FROM_VIEW_ID, newPath);
model.changeObjectAttribute(rule, "index", "" + (count)); //$NON-NLS-1$ //$NON-NLS-2$
XModelObject g = process.getChildByPath(pp);
if(g != null) return;
JSFProcessHelper h = JSFProcessHelper.getHelper(process);
g = h.findOrCreateGroup(newPath, pp);
int[] cs = JSFProcessStructureHelper.instance.asIntArray(group, "shape"); //$NON-NLS-1$
if(cs != null && cs.length > 1) {
g.setAttributeValue("shape", "" + (cs[0] + 30) + "," + (cs[1] + 30) + ",0,0"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
}
}
protected DefaultWizardDataValidator viewValidator = new ViewValidator();
public WizardDataValidator getValidator(int step) {
viewValidator.setSupport(this, step);
return viewValidator;
}
class ViewValidator extends DefaultWizardDataValidator {
public void validate(Properties data) {
super.validate(data);
if(message != null) return;
String path = data.getProperty("from-view-id"); //$NON-NLS-1$
if(!AddViewSupport.isCorrectPath(path)) {
message = JSFUIMessages.ATTRIBUTE_FROM_VIEW_ID_IS_NOT_CORRECT;
}
if(message != null) return;
}
}
}