/*
* Copyright 2000-2007 JetBrains s.r.o.
*
* 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.
*/
package com.intellij.jam.view.tree;
import com.intellij.ide.DeleteProvider;
import com.intellij.ide.util.treeView.NodeDescriptor;
import com.intellij.javaee.CommonModelManager;
import com.intellij.javaee.model.annotations.JamElement;
import com.intellij.javaee.model.common.CommonModelElement;
import com.intellij.openapi.actionSystem.DataConstants;
import com.intellij.openapi.actionSystem.DataKey;
import com.intellij.openapi.fileEditor.OpenFileDescriptor;
import com.intellij.openapi.module.Module;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.pom.Navigatable;
import com.intellij.psi.PsiFile;
import com.intellij.psi.xml.XmlFile;
import com.intellij.ui.SimpleTextAttributes;
import com.intellij.util.xml.DomElement;
import com.intellij.util.ReflectionCache;
import com.intellij.jam.view.JamDeleteProvider;
import com.intellij.jam.view.DefaultUserResponse;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.annotations.NonNls;
public abstract class JamObjectDescriptor<P extends CommonModelElement> extends JamNodeDescriptor<P> {
@NonNls public static final DataKey<CommonModelElement> SELECTED_COMMON_MODEL_ELEMENT = DataKey.create("SELECTED_COMMON_MODEL_ELEMENT");
protected JamObjectDescriptor(P element, NodeDescriptor parentDescriptor, Object parameters) {
super(parentDescriptor.getProject(), parentDescriptor, parameters, element);
}
protected JamObjectDescriptor(P element, Project project, Object parameters) {
super(project, null, parameters, element);
}
public DeleteProvider getDeleteProvider() {
final DefaultUserResponse response = new DefaultUserResponse(myProject);
return new JamDeleteProvider(getElement(), response);
}
public P updateElement() {
P element = getElement();
if (!element.isValid()) return null;
return getElement();
}
public String getNewTooltip() {
return null;
}
public boolean isValid() {
return getElement().isValid();
}
protected void doUpdate() {
super.doUpdate();
final String textExt = getNewNodeTextExt();
if (textExt != null) {
addColoredFragment(" ("+textExt+")", SimpleTextAttributes.GRAY_ITALIC_ATTRIBUTES);
}
}
@Nullable
protected String getNewNodeTextExt() {
return null;
}
public Object getData(final String dataId) {
if (SELECTED_COMMON_MODEL_ELEMENT.getName().equals(dataId)) {
return getElement();
}
if (DataConstants.NAVIGATABLE.equals(dataId)) {
final Object navigatable = getNavigatable();
if (navigatable != null) {
return navigatable;
}
}
if (DataConstants.PSI_ELEMENT.equals(dataId)) {
final P element = getElement();
return element.isValid() ? element.getIdentifyingPsiElement() : null;
}
if (DataConstants.MODULE.equals(dataId)) {
return getParentElementOfType(Module.class);
}
return super.getData(dataId);
}
@Nullable
public <T> T getParentElementOfType(final Class<T> elementClass) {
for (NodeDescriptor cur = this; cur != null; cur = cur.getParentDescriptor()) {
final Object element = cur.getElement();
if (element != null && ReflectionCache.isAssignable(elementClass, element.getClass())) {
return (T)element;
}
}
return null;
}
@Nullable
protected Navigatable getNavigatable() {
final DomElement domElement = CommonModelManager.getInstance().getDomElement(getElement());
if (domElement != null && domElement.getXmlTag() != null) {
final XmlFile file = domElement.getRoot().getFile();
final VirtualFile virtualFile = file.getVirtualFile();
if (virtualFile != null && virtualFile.isValid()) {
return new OpenFileDescriptor(file.getManager().getProject(), virtualFile, domElement.getXmlTag().getTextRange().getStartOffset());
}
}
final JamElement annoElement = CommonModelManager.getInstance().getJamElement(getElement());
if (annoElement != null && annoElement.getIdentifyingAnnotation() != null) {
final PsiFile file = annoElement.getIdentifyingAnnotation().getContainingFile();
final VirtualFile virtualFile = file.getVirtualFile();
if (virtualFile != null && virtualFile.isValid()) {
return new OpenFileDescriptor(file.getManager().getProject(), virtualFile, annoElement.getIdentifyingAnnotation().getTextRange().getStartOffset());
}
}
return null;
}
}