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/*
* 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.netbeans.modules.properties;
import java.awt.Component;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import javax.swing.Action;
import org.openide.actions.*;
import org.openide.cookies.EditCookie;
import org.openide.cookies.SaveCookie;
import org.openide.cookies.OpenCookie;
import org.openide.nodes.AbstractNode;
import org.openide.nodes.Children;
import org.openide.nodes.Node;
import org.openide.nodes.PropertySupport;
import org.openide.nodes.Sheet;
import org.openide.NotifyDescriptor;
import org.openide.DialogDisplayer;
import org.openide.util.actions.SystemAction;
import org.openide.util.HelpCtx;
import org.openide.util.NbBundle;
import org.openide.util.WeakListeners;
/**
* Node representing a key-value-comment item in one .properties file.
*
* @author Petr Jiricka
*/
public class KeyNode extends AbstractNode implements PropertyChangeListener {
/** Structure on top of which this element lives. */
private PropertiesStructure propStructure;
/** nonescaped Key for the element. */
private String itemKey;
/** Generated Serialized Version UID. */
static final long serialVersionUID = -7882925922830244768L;
/** Constructor.
* @param propStructure structure of .properties file to work with
* @param itemKey key value of item in properties structure
*/
public KeyNode (PropertiesStructure propStructure, String itemKey) {
super(Children.LEAF);
this.propStructure = propStructure;
this.itemKey = itemKey;
super.setName(itemKey);
setActions(
new SystemAction[] {
SystemAction.get(EditAction.class),
SystemAction.get(OpenAction.class),
SystemAction.get(FileSystemAction.class),
null,
SystemAction.get(CutAction.class),
SystemAction.get(CopyAction.class),
null,
SystemAction.get(DeleteAction.class),
SystemAction.get(RenameAction.class),
null,
SystemAction.get(ToolsAction.class),
SystemAction.get(PropertiesAction.class)
}
);
setIconBaseWithExtension("org/netbeans/modules/properties/propertiesKey.gif"); // NOI18N
// Sets short description.
updateShortDescription();
// Sets cookies (Open and Edit).
PropertiesDataObject pdo = ((PropertiesDataObject)propStructure.getParent().getEntry().getDataObject());
getCookieSet().add(pdo.getOpenSupport().new PropertiesOpenAt(propStructure.getParent().getEntry(), itemKey));
getCookieSet().add(propStructure.getParent().getEntry().getPropertiesEditor().new PropertiesEditAt(itemKey));
Element.ItemElem item = getItem();
PropertyChangeListener pcl = WeakListeners.propertyChange(this, item);
item.addPropertyChangeListener(pcl);
}
public Action getPreferredAction() {
return getActions(false)[0];
}
/** Gets Element.ItemElem represented by this node.
* @return item element
*/
public Element.ItemElem getItem() {
return propStructure.getItem(itemKey);
}
/** Indicates whether the node may be destroyed. Overrides superclass method.
* @return true.
*/
public boolean canDestroy () {
return true;
}
/** Destroyes the node. Overrides superclass method. */
public void destroy () throws IOException {
propStructure.deleteItem(itemKey);
super.destroy ();
}
/** Indicates if node allows copying. Overrides superclass method.
* @return true.
*/
public final boolean canCopy () {
return true;
}
/** Indicates if node allows cutting. Overrides superclass method.
* @return true.
*/
public final boolean canCut () {
return true;
}
/** Indicates if node can be renamed. Overrides superclass method.
* @return true.
*/
public final boolean canRename () {
return true;
}
/** Sets name of the node. Overrides superclass method.
* @param name new name for the object
*/
public void setName(final String name) {
// The new name is same -> do nothing.
if(name.equals(itemKey)) return;
String oldKey = itemKey;
itemKey = name;
if (false == propStructure.renameItem(oldKey, name)) {
itemKey = oldKey;
NotifyDescriptor.Message msg = new NotifyDescriptor.Message(
NbBundle.getBundle(KeyNode.class).getString("MSG_CannotRenameKey"),
NotifyDescriptor.ERROR_MESSAGE
);
DialogDisplayer.getDefault().notify(msg);
return;
}
updateCookieNames();
}
/** Initializes sheet of properties. Overrides superclass method.
* @return default sheet to use
*/
protected Sheet createSheet () {
Sheet sheet = Sheet.createDefault ();
Sheet.Set sheetSet = sheet.get (Sheet.PROPERTIES);
Node.Property property;
// Key property.
property = new PropertySupport.ReadWrite(
PROP_NAME,
String.class,
NbBundle.getBundle(KeyNode.class).getString("PROP_item_key"),
NbBundle.getBundle(KeyNode.class).getString("HINT_item_key")
) {
public String getValue() {
return itemKey;
}
public void setValue(String val) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException {
KeyNode.this.setName(val);
}
};
property.setName(Element.ItemElem.PROP_ITEM_KEY);
sheetSet.put (property);
// Value property
property = new PropertySupport.ReadWrite(
Element.ItemElem.PROP_ITEM_VALUE,
String.class,
NbBundle.getBundle(KeyNode.class).getString("PROP_item_value"),
NbBundle.getBundle(KeyNode.class).getString("HINT_item_value")
) {
public String getValue() {
return getItem().getValue();
}
public void setValue(String val) throws IllegalAccessException,
IllegalArgumentException, InvocationTargetException {
getItem().setValue(val);
}
};
property.setName(Element.ItemElem.PROP_ITEM_VALUE);
sheetSet.put (property);
// Comment property
property = new PropertySupport.ReadWrite(
Element.ItemElem.PROP_ITEM_COMMENT,
String.class,
NbBundle.getBundle(KeyNode.class).getString("PROP_item_comment"),
NbBundle.getBundle(KeyNode.class).getString("HINT_item_comment")
) {
public String getValue() {
return getItem().getComment();
}
public void setValue(String val) throws IllegalAccessException,
IllegalArgumentException, InvocationTargetException {
getItem().setComment(val);
}
};
property.setName(Element.ItemElem.PROP_ITEM_COMMENT);
sheetSet.put (property);
return sheet;
}
/** Returns item as cookie in addition to "normal" cookies. Overrides superclass method. */
@SuppressWarnings("unchecked")
public T getCookie(Class clazz) {
if (clazz.isInstance(getItem())) {
return (T) getItem();
}
if (clazz.equals(SaveCookie.class)) {
return propStructure.getParent().getEntry().getCookie(clazz);
}
return super.getCookie(clazz);
}
/** Sets short description. Helper method. Calls superclass updateShortDescription(String) method.
* @see java.beans.FeatureDescriptor#setShortDecription(String) */
private void updateShortDescription() {
String description;
Element.ItemElem item = getItem();
if(item != null) {
String comment = item.getComment();
if (comment != null) {
int displayLenght = Math.min(comment.length(),72);
description = comment.substring(0, displayLenght);
if (displayLenght < comment.length()) {
description += "..."; //NOI18N
}
} else {
description = item.getKey() + "=" + item.getValue(); // NOI18N
}
} else {
description = itemKey;
}
setShortDescription(description);
}
/** Indicates whether has customizer. Overrides superclass method.
* @return true */
public boolean hasCustomizer() {
return true;
}
/** Gets customizer. Overrides superclass method.
* @return customizer for this key node, PropertyPanel instance */
public Component getCustomizer() {
return new PropertyPanel(getItem());
}
/** Updates the cookies for editing/viewing at a given position (position of key element representing by this node). Helper method. */
private void updateCookieNames() {
// Open cookie.
Node.Cookie opener = getCookie(OpenCookie.class);
if(opener instanceof PropertiesOpen.PropertiesOpenAt) {
((PropertiesOpen.PropertiesOpenAt)opener).setKey(itemKey);
}
// Edit cookie.
Node.Cookie editor = getCookie(EditCookie.class);
if(editor instanceof PropertiesEditorSupport.PropertiesEditAt) {
((PropertiesEditorSupport.PropertiesEditAt)editor).setKey(itemKey);
}
}
/** Sets all actions for this node. Helper method.
* @param actions new list of actions
*/
private void setActions(SystemAction[] actions) {
systemActions = actions;
}
/**
* This method gets called when a bound property is changed.
* @param evt A PropertyChangeEvent object describing the event source
* and the property that has changed.
*/
public void propertyChange(PropertyChangeEvent evt) {
if (Element.ItemElem.PROP_ITEM_COMMENT.equals(evt.getPropertyName())) {
updateShortDescription();
}
else if (Element.ItemElem.PROP_ITEM_VALUE.equals(evt.getPropertyName())) {
updateShortDescription();
}
}
}
