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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
*
* https://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
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****************************************************************/
package org.apache.cayenne.modeler.util;
import java.awt.event.ActionEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.Icon;
import javax.swing.JButton;
import javax.swing.JCheckBoxMenuItem;
import javax.swing.JMenuItem;
import javax.swing.KeyStroke;
import javax.swing.tree.TreePath;
import org.apache.cayenne.configuration.ConfigurationNode;
import org.apache.cayenne.configuration.DataChannelDescriptor;
import org.apache.cayenne.map.Entity;
import org.apache.cayenne.modeler.Application;
import org.apache.cayenne.modeler.CayenneModelerFrame;
import org.apache.cayenne.modeler.ProjectController;
import org.apache.cayenne.modeler.ProjectTreeModel;
import org.apache.cayenne.modeler.dialog.ErrorDebugDialog;
import org.apache.cayenne.modeler.editor.EditorView;
import org.apache.cayenne.project.Project;
import org.apache.cayenne.swing.components.image.FilteredIconFactory;
import org.apache.cayenne.util.Util;
/**
* Superclass of CayenneModeler actions that implements support for some common
* functionality, exception handling, etc.
*/
public abstract class CayenneAction extends AbstractAction {
protected boolean alwaysOn;
protected Application application;
/**
* Creates a named CayenneAction.
*/
public CayenneAction(String name, Application application) {
this(name, application, name);
}
/**
* Creates a named CayenneAction.
*/
public CayenneAction(String name, Application application, String shortDescription) {
super(name);
super.putValue(Action.DEFAULT, name);
this.application = application;
Icon icon = createIcon();
if (icon != null) {
super.putValue(Action.SMALL_ICON, icon);
}
KeyStroke accelerator = getAcceleratorKey();
if (accelerator != null) {
super.putValue(Action.ACCELERATOR_KEY, accelerator);
}
if (shortDescription != null && shortDescription.length() > 0) {
super.putValue(Action.SHORT_DESCRIPTION, shortDescription);
}
setEnabled(false);
}
public Application getApplication() {
return application;
}
protected Project getCurrentProject() {
return application.getFrameController().getProjectController().getProject();
}
/**
* Changes the name of this action, propagating the change to all widgets using this
* action.
*/
public void setName(String newName) {
if (!Util.nullSafeEquals(getValue(Action.NAME), newName)) {
super.putValue(Action.NAME, newName);
}
}
/**
* Returns keyboard shortcut for this action. Default implementation returns
* null.
*/
public KeyStroke getAcceleratorKey() {
return null;
}
/**
* Returns the name of the icon that should be used for buttons. Name will be reolved
* relative to RESOURCE_PATH. Default implementation returns
* null.
*/
public String getIconName() {
return null;
}
/**
* Creates and returns an ImageIcon that can be used for buttons that rely on this
* action. Returns null if getIconName returns
* null.
*/
public Icon createIcon() {
String name = getIconName();
return (name != null) ? ModelerUtil.buildIcon(name) : null;
}
/**
* Returns the key under which this action should be stored in the ActionMap.
*/
public String getKey() {
return (String) super.getValue(Action.DEFAULT);
}
/**
* Subclasses must implement this method instead of actionPerformed to
* allow for exception handling.
*/
public abstract void performAction(ActionEvent e);
/**
* Returns true if the action is enabled for the specified "project
* path" - a path on the project tree to a currently selected object. Default
* implementation simply returns false.
*/
public boolean enableForPath(ConfigurationNode object) {
return false;
}
/**
* Returns current project controller.
*/
public ProjectController getProjectController() {
return application.getFrameController().getProjectController();
}
/**
* Internally calls performAction. Traps exceptions that ocurred
* during action processing.
*/
public void actionPerformed(ActionEvent e) {
try {
performAction(e);
}
catch (Throwable th) {
ErrorDebugDialog.guiException(th);
}
}
/**
* Factory method that creates a menu item hooked up to this action.
*/
public JMenuItem buildMenu() {
return new CayenneMenuItem(this);
}
/**
* Factory method that creates a checkbox menu item hooked up to this action.
*/
public JCheckBoxMenuItem buildCheckBoxMenu() {
return new JCheckBoxMenuItem(this);
}
/**
* Factory method that creates a button hooked up to this action.
*/
public JButton buildButton() {
return new CayenneToolbarButton(this, 0);
}
public JButton buildButton(int position) {
return new CayenneToolbarButton(this, position);
}
/**
* Returns true if this action is always enabled.
*
* @return boolean
*/
public boolean isAlwaysOn() {
return alwaysOn;
}
/**
* Sets the alwaysOn.
*
* @param alwaysOn The alwaysOn to set
*/
public void setAlwaysOn(boolean alwaysOn) {
this.alwaysOn = alwaysOn;
if (alwaysOn) {
super.setEnabled(true);
}
}
/**
* Overrides super implementation to take into account "alwaysOn" flag.
*/
@Override
public void setEnabled(boolean b) {
if (!isAlwaysOn()) {
super.setEnabled(b);
}
}
public static class CayenneMenuItem extends JMenuItem {
public CayenneMenuItem(String title) {
super(title);
}
public CayenneMenuItem(String title, Icon icon) {
super(title, icon);
}
public CayenneMenuItem(AbstractAction action) {
super(action);
}
}
/**
* On changes in action text, will update toolbar tip instead.
*/
public static final class CayenneToolbarButton extends JButton {
static private final String[] POSITIONS = {"only", "first", "middle", "last"};
protected boolean showingText;
/**
* Constructor for CayenneMenuItem.
*/
public CayenneToolbarButton(Action a, int position) {
super();
setAction(a);
initView(position);
}
private void initView(int position) {
setDisabledIcon(FilteredIconFactory.createDisabledIcon(getIcon()));
setFocusPainted(false);
setFocusable(false);
putClientProperty("JButton.buttonType", "segmentedTextured");
putClientProperty("JButton.segmentPosition", POSITIONS[position]);
}
/**
* Returns the showingText.
*/
public boolean isShowingText() {
return showingText;
}
/**
* Sets the showingText.
*/
public void setShowingText(boolean showingText) {
this.showingText = showingText;
}
/**
* @see javax.swing.AbstractButton#getText()
*/
@Override
public String getText() {
return (showingText) ? super.getText() : null;
}
/**
* @see javax.swing.AbstractButton#setText(String)
*/
@Override
public void setText(String text) {
if (showingText) {
super.setText(text);
} else {
super.setToolTipText(text);
}
}
}
protected static EditorView editor() {
return ((CayenneModelerFrame) Application
.getInstance()
.getFrameController()
.getView()).getView();
}
/**
* Builds a tree path for a given entity. Urgent for later selection.
*
* @param entity to build path for
* @return tree path
*/
protected static TreePath buildTreePath(Entity entity) {
DataChannelDescriptor domain = (DataChannelDescriptor) Application
.getInstance()
.getProject()
.getRootNode();
Object[] path = new Object[] {domain, entity.getDataMap(), entity};
Object[] mutableTreeNodes = new Object[path.length];
mutableTreeNodes[0] = ((ProjectTreeModel) editor().getProjectTreeView().getModel())
.getRootNode();
Object[] helper;
for (int i = 1; i < path.length; i++) {
helper = new Object[i];
for (int j = 0; j < i;) {
helper[j] = path[++j];
}
mutableTreeNodes[i] = ((ProjectTreeModel) editor()
.getProjectTreeView()
.getModel()).getNodeForObjectPath(helper);
}
return new TreePath(mutableTreeNodes);
}
}
