/*******************************************************************************
* Copyright (c) 2007 Spring IDE Developers
* All rights reserved. This program and the accompanying materials
* are 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:
* Spring IDE Developers - initial API and implementation
*******************************************************************************/
package org.springframework.ide.eclipse.webflow.ui.graph.properties;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import org.eclipse.gef.ui.actions.ActionRegistry;
import org.eclipse.jdt.core.IMethod;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.text.Assert;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.ElementListSelectionDialog;
import org.eclipse.ui.views.properties.tabbed.AbstractPropertySection;
import org.eclipse.ui.views.properties.tabbed.ITabbedPropertyConstants;
import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetPage;
import org.springframework.ide.eclipse.webflow.core.internal.model.AbstractAction;
import org.springframework.ide.eclipse.webflow.core.internal.model.Action;
import org.springframework.ide.eclipse.webflow.core.internal.model.BeanAction;
import org.springframework.ide.eclipse.webflow.core.model.ICloneableModelElement;
import org.springframework.ide.eclipse.webflow.core.model.IWebflowModelElement;
import org.springframework.ide.eclipse.webflow.ui.graph.actions.EditPropertiesAction;
import org.springframework.ide.eclipse.webflow.ui.graph.commands.EditPropertiesCommand;
import org.springframework.ide.eclipse.webflow.ui.graph.dialogs.DialogUtils;
import org.springframework.ide.eclipse.webflow.ui.graph.parts.AbstractStatePart;
/**
* @author Christian Dupuis
* @since 2.0
*/
public class ActionMethodSection extends AbstractPropertySection implements
PropertyChangeListener {
/**
*
*/
private Text methodText;
/**
*
*/
private Button browseMethodButton;
/**
*
*/
private AbstractAction action;
/**
*
*/
private AbstractAction oldAction;
/**
*
*/
private ModifyListener listener = new ModifyListener() {
public void modifyText(ModifyEvent arg0) {
IEditorPart editor = PlatformUI.getWorkbench()
.getActiveWorkbenchWindow().getActivePage()
.getActiveEditor();
ActionRegistry actionRegistry = (ActionRegistry) editor
.getAdapter(ActionRegistry.class);
EditPropertiesAction editAction = (EditPropertiesAction) actionRegistry
.getAction(EditPropertiesAction.EDITPROPERTIES);
editAction.setOpenDialog(false);
EditPropertiesCommand command = new EditPropertiesCommand();
AbstractAction clone = null;
if (action instanceof Action) {
clone = (AbstractAction) ((Action) action)
.cloneModelElement();
}
else if (action instanceof BeanAction) {
clone = (AbstractAction) ((BeanAction) action)
.cloneModelElement();
}
clone.setMethod(methodText.getText());
command
.setChild(
(ICloneableModelElement<IWebflowModelElement>) action,
clone);
if (editAction != null) {
action
.removePropertyChangeListener(ActionMethodSection.this);
editAction.runWithCommand(command);
action
.addPropertyChangeListener(ActionMethodSection.this);
}
}
};
/*
* (non-Javadoc)
* @see org.eclipse.ui.views.properties.tabbed.AbstractPropertySection#createControls(org.eclipse.swt.widgets.Composite,
* org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetPage)
*/
public void createControls(Composite parent,
TabbedPropertySheetPage aTabbedPropertySheetPage) {
super.createControls(parent, aTabbedPropertySheetPage);
Composite composite = getWidgetFactory()
.createFlatFormComposite(parent);
FormData data;
browseMethodButton = getWidgetFactory().createButton(composite,
"...", SWT.PUSH); //$NON-NLS-1$
data = new FormData();
data.left = new FormAttachment(96, 0);
data.right = new FormAttachment(100, 0);
data.top = new FormAttachment(0, ITabbedPropertyConstants.VSPACE);
browseMethodButton.setLayoutData(data);
browseMethodButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
handleSelectionChanged();
}
});
methodText = getWidgetFactory().createText(composite, ""); //$NON-NLS-1$
data = new FormData();
methodText.setEditable(false);
data.left = new FormAttachment(0, STANDARD_LABEL_WIDTH);
data.right = new FormAttachment(95, 0);
data.top = new FormAttachment(browseMethodButton, 0, SWT.CENTER);
methodText.setLayoutData(data);
methodText.addModifyListener(listener);
CLabel comboLabel = getWidgetFactory().createCLabel(composite,
"Method:"); //$NON-NLS-1$
data = new FormData();
data.left = new FormAttachment(0, 0);
data.right = new FormAttachment(methodText,
-ITabbedPropertyConstants.HSPACE);
data.top = new FormAttachment(browseMethodButton, 0, SWT.CENTER);
comboLabel.setLayoutData(data);
}
/**
*
*/
protected void handleSelectionChanged() {
ElementListSelectionDialog dialog = DialogUtils
.openActionMethodReferenceDialog(oldAction.getNode());
if (Dialog.OK == dialog.open()) {
this.methodText.setText(((IMethod) dialog.getFirstResult())
.getElementName());
}
}
/*
* (non-Javadoc)
* @see org.eclipse.ui.views.properties.tabbed.AbstractPropertySection#setInput(org.eclipse.ui.IWorkbenchPart,
* org.eclipse.jface.viewers.ISelection)
*/
public void setInput(IWorkbenchPart part, ISelection selection) {
super.setInput(part, selection);
Assert.isTrue(selection instanceof IStructuredSelection);
Object input = ((IStructuredSelection) selection).getFirstElement();
if (oldAction != null) {
oldAction.removePropertyChangeListener(this);
}
if (input instanceof AbstractStatePart
&& ((AbstractStatePart) input).getModel() instanceof AbstractAction) {
action = (AbstractAction) ((AbstractStatePart) input)
.getModel();
action.addPropertyChangeListener(this);
oldAction = action;
}
}
/*
* (non-Javadoc)
* @see org.eclipse.ui.views.properties.tabbed.AbstractPropertySection#refresh()
*/
public void refresh() {
methodText.removeModifyListener(listener);
if (action != null && action.getMethod() != null) {
methodText.setText(action.getMethod());
}
else {
methodText.setText("");
}
methodText.addModifyListener(listener);
}
/*
* (non-Javadoc)
* @see java.beans.PropertyChangeListener#propertyChange(java.beans.PropertyChangeEvent)
*/
public void propertyChange(PropertyChangeEvent evt) {
refresh();
}
/*
* (non-Javadoc)
* @see org.eclipse.ui.views.properties.tabbed.AbstractPropertySection#dispose()
*/
public void dispose() {
if (action != null) {
action.removePropertyChangeListener(this);
}
super.dispose();
}
}