/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.click.eclipse.ui.editor.forms;
import java.util.ArrayList;
import java.util.List;
import org.apache.click.eclipse.ClickPlugin;
import org.apache.click.eclipse.ui.editor.actions.ElementRemoveAction;
import org.apache.click.eclipse.ui.editor.attrs.IAttributeEditor;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.action.Separator;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.SashForm;
import org.eclipse.swt.events.KeyAdapter;
import org.eclipse.swt.events.KeyEvent;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.ui.forms.widgets.Section;
import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMElement;
public abstract class AbstractMasterDetailEditor extends AbstractFormEditor {
protected SashForm sash;
protected TreeViewer viewer;
protected Composite currentEditor;
protected MenuManager menu;
protected MenuManager newMenu;
protected ElementRemoveAction deleteAction = new ElementRemoveAction();
protected abstract String[] getAcceptElementNames();
protected abstract IAttributeEditor getAttributeEditor(String elementName);
protected abstract void createMenu(IDOMElement element);
public void initModel(IStructuredModel model) {
sash = new SashForm(form.getBody(), SWT.HORIZONTAL);
sash.setLayoutData(new GridData(GridData.FILL_BOTH));
sash.setBackground(Display.getDefault().getSystemColor(SWT.COLOR_WHITE));
final Composite left = toolkit.createComposite(sash);
left.setLayoutData(new GridData(GridData.FILL_BOTH));
left.setLayout(new FillLayout());
Section headerSection = toolkit.createSection(left, Section.TITLE_BAR);
headerSection.setText(ClickPlugin.getString("editor.clickXML.outline"));
Composite detailComposite = toolkit.createComposite(sash);
detailComposite.setLayoutData(new GridData(GridData.FILL_BOTH));
detailComposite.setLayout(new FillLayout());
Section detailSection = toolkit.createSection(detailComposite, Section.TITLE_BAR);
detailSection.setText(ClickPlugin.getString("editor.clickXML.details"));
final Composite right = toolkit.createComposite(detailSection);
right.setLayout(new FillLayout());
detailSection.setClient(right);
Tree tree = toolkit.createTree(headerSection, SWT.NULL);
tree.setLayoutData(new GridData(GridData.FILL_BOTH));
headerSection.setClient(tree);
List<String> acceptElements = new ArrayList<String>();
String[] acceptElementNames = getAcceptElementNames();
for(int i=0;i<acceptElementNames.length;i++){
acceptElements.add(acceptElementNames[i]);
}
viewer = new TreeViewer(tree);
viewer.setContentProvider(new ClickTreeContentProvider(acceptElements));
viewer.setLabelProvider(new ClickTreeLabelProvider());
viewer.addSelectionChangedListener(new ISelectionChangedListener(){
public void selectionChanged(SelectionChangedEvent event){
if(currentEditor!=null){
currentEditor.dispose();
}
IStructuredSelection selection = (IStructuredSelection)event.getSelection();
Object obj = selection.getFirstElement();
if(obj != null){
if(obj instanceof IDOMElement){
IAttributeEditor editor = getAttributeEditor(((IDOMElement)obj).getNodeName());
if(editor != null){
currentEditor = editor.createForm(toolkit, right, (IDOMElement)obj);
}
}
}
right.layout();
}
});
viewer.setInput(model);
viewer.expandAll();
menu = new MenuManager();
newMenu = new MenuManager(ClickPlugin.getString("action.new"));
menu.add(newMenu);
menu.add(new Separator());
menu.add(deleteAction);
tree.setMenu(menu.createContextMenu(tree));
tree.addSelectionListener(new SelectionAdapter(){
public void widgetSelected(SelectionEvent evt){
updateMenu();
}
});
tree.addKeyListener(new KeyAdapter(){
public void keyReleased(KeyEvent e) {
if(e.keyCode == SWT.DEL && deleteAction.isEnabled()){
deleteAction.run();
}
}
});
toolkit.paintBordersFor(left);
}
public void updateMenu(){
newMenu.removeAll();
IStructuredSelection selection = (IStructuredSelection)viewer.getSelection();
Object obj = selection.getFirstElement();
if(obj instanceof IDOMElement){
IDOMElement element = (IDOMElement)obj;
if(element.getNodeName().equals(ClickPlugin.TAG_CLICK_APP)){
deleteAction.setEnabled(false);
} else {
deleteAction.setEnabled(true);
deleteAction.setElement(element);
}
createMenu(element);
}
}
public void modelUpdated(IStructuredModel model) {
viewer.setSelection(null);
viewer.refresh();
}
public void setFocus() {
form.setFocus();
}
@SuppressWarnings("unchecked")
public Object getAdapter(Class adapter) {
if(adapter.equals(TreeViewer.class)){
return this.viewer;
}
return super.getAdapter(adapter);
}
}