/*******************************************************************************
* Copyright (c) 2007, 2010 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.dialogs;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.search.IJavaSearchConstants;
import org.eclipse.jdt.core.search.IJavaSearchScope;
import org.eclipse.jdt.core.search.SearchEngine;
import org.eclipse.jdt.internal.ui.dialogs.FilteredTypesSelectionDialog;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.jface.dialogs.TitleAreaDialog;
import org.eclipse.swt.SWT;
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.events.SelectionListener;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.dialogs.ElementListSelectionDialog;
import org.springframework.ide.eclipse.beans.core.model.IBean;
import org.springframework.ide.eclipse.webflow.core.internal.model.WebflowModelXmlUtils;
import org.springframework.ide.eclipse.webflow.core.model.IVar;
import org.springframework.ide.eclipse.webflow.ui.editor.outline.webflow.WebflowUIImages;
/**
* @author Christian Dupuis
*/
@SuppressWarnings("restriction")
public class VarEditorDialog extends TitleAreaDialog implements IDialogValidator {
private IVar property;
private SelectionListener buttonListener = new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
handleButtonPressed((Button) e.widget);
}
};
private Label nameLabel;
private Text nameText;
private Label scopeLabel;
private Combo scopeText;
private Label beanLabel;
private Text beanText;
private Label classLabel;
private Text classText;
private Button okButton;
private Button browseTypeButton;
private Button browseBeanButton;
public VarEditorDialog(Shell parentShell, IVar state) {
super(parentShell);
this.property = state;
}
protected void buttonPressed(int buttonId) {
if (buttonId == IDialogConstants.OK_ID) {
if (WebflowModelXmlUtils.isVersion1Flow(property)) {
this.property.setScope(trimString(this.scopeText.getText()));
this.property.setBean(trimString(this.beanText.getText()));
}
this.property.setName(trimString(this.nameText.getText()));
this.property.setClazz(trimString(this.classText.getText()));
}
super.buttonPressed(buttonId);
}
protected void configureShell(Shell shell) {
super.configureShell(shell);
shell.setText(getShellTitle());
shell.setImage(getImage());
}
protected void createButtonsForButtonBar(Composite parent) {
// create OK and Cancel buttons by default
okButton = createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true);
createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false);
// do this here because setting the text will set enablement on the
// ok button
nameText.setFocus();
if (this.property != null && this.property.getName() != null) {
okButton.setEnabled(true);
}
else {
okButton.setEnabled(false);
}
this.validateInput();
}
protected Control createContents(Composite parent) {
Control contents = super.createContents(parent);
setTitle(getTitle());
setMessage(getMessage());
return contents;
}
protected Control createDialogArea(Composite parent) {
Composite parentComposite = (Composite) super.createDialogArea(parent);
Composite composite = new Composite(parentComposite, SWT.NULL);
GridLayout layout = new GridLayout();
layout.numColumns = 1;
composite.setLayout(layout);
composite.setLayoutData(new GridData(GridData.FILL_BOTH));
Composite nameGroup = new Composite(composite, SWT.NULL);
nameGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
GridLayout layout1 = new GridLayout();
layout1.numColumns = 3;
layout1.marginWidth = 5;
nameGroup.setLayout(layout1);
nameLabel = new Label(nameGroup, SWT.NONE);
nameLabel.setText("Name");
nameText = new Text(nameGroup, SWT.SINGLE | SWT.BORDER);
if (this.property != null && this.property.getName() != null) {
this.nameText.setText(this.property.getName());
}
nameText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
nameText.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
validateInput();
}
});
new Label(nameGroup, SWT.NONE);
if (WebflowModelXmlUtils.isVersion1Flow(property)) {
scopeLabel = new Label(nameGroup, SWT.NONE);
scopeLabel.setText("Scope");
scopeText = new Combo(nameGroup, SWT.DROP_DOWN | SWT.READ_ONLY);
scopeText.setItems(new String[] { "", "request", "flash", "flow", "conversation",
"default" });
if (this.property != null && this.property.getScope() != null) {
this.scopeText.setText(this.property.getScope());
}
scopeText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
scopeText.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
validateInput();
}
});
new Label(nameGroup, SWT.NONE);
}
classLabel = new Label(nameGroup, SWT.NONE);
classLabel.setText("Class");
classText = new Text(nameGroup, SWT.SINGLE | SWT.BORDER);
if (this.property != null && this.property.getClazz() != null) {
this.classText.setText(this.property.getClazz());
}
classText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
classText.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
validateInput();
}
});
browseTypeButton = new Button(nameGroup, SWT.PUSH);
browseTypeButton.setText("...");
browseTypeButton.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
browseTypeButton.addSelectionListener(buttonListener);
if (WebflowModelXmlUtils.isVersion1Flow(property)) {
beanLabel = new Label(nameGroup, SWT.NONE);
beanLabel.setText("Bean");
beanText = new Text(nameGroup, SWT.SINGLE | SWT.BORDER);
if (this.property != null && this.property.getBean() != null) {
this.beanText.setText(this.property.getBean());
}
beanText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
beanText.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
validateInput();
}
});
browseBeanButton = new Button(nameGroup, SWT.PUSH);
browseBeanButton.setText("...");
browseBeanButton.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
browseBeanButton.addSelectionListener(buttonListener);
}
applyDialogFont(parentComposite);
return parentComposite;
}
/**
* @return
*/
public String getId() {
return this.nameText.getText();
}
/**
* @return
*/
protected Image getImage() {
return WebflowUIImages.getImage(WebflowUIImages.IMG_OBJS_VAR);
}
/**
* @return
*/
public String getMessage() {
return "Enter the details for the variable";
}
/**
* @return
*/
protected String getShellTitle() {
return "Variable";
}
/**
* @return
*/
protected String getTitle() {
return "Variable properties";
}
/**
* One of the buttons has been pressed, act accordingly.
* @param button
*/
private void handleButtonPressed(Button button) {
if (button.equals(this.browseTypeButton)) {
IJavaSearchScope searchScope = SearchEngine.createWorkspaceScope();
FilteredTypesSelectionDialog dialog = new FilteredTypesSelectionDialog(getShell(), false,
new ProgressMonitorDialog(getShell()), searchScope, IJavaSearchConstants.CLASS);
dialog.setMessage("Select an type"); //$NON-NLS-1$
dialog.setBlockOnOpen(true);
dialog.setTitle("Type Selection");
if (Dialog.OK == dialog.open()) {
IType obj = (IType) dialog.getFirstResult();
this.classText.setText(obj.getFullyQualifiedName());
}
}
else if (button.equals(this.browseBeanButton)) {
ElementListSelectionDialog dialog = DialogUtils.openBeanReferenceDialog(this.beanText
.getText(), false);
if (Dialog.OK == dialog.open()) {
this.beanText.setText(((IBean) dialog.getFirstResult()).getElementName());
}
}
this.validateInput();
}
/**
* @param error
*/
protected void showError(String error) {
super.setErrorMessage(error);
}
/**
* @param string
* @return
*/
public String trimString(String string) {
if (string != null && string == "") {
string = null;
}
return string;
}
/**
*
*/
public void validateInput() {
String id = this.nameText.getText();
boolean error = false;
StringBuffer errorMessage = new StringBuffer();
if (id == null || "".equals(id)) {
errorMessage.append("A valid name is required. ");
error = true;
}
if (error) {
getButton(OK).setEnabled(false);
setErrorMessage(errorMessage.toString());
}
else {
getButton(OK).setEnabled(true);
setErrorMessage(null);
}
}
}