/*******************************************************************************
* 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 java.util.ArrayList;
import java.util.List;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.TitleAreaDialog;
import org.eclipse.jface.viewers.DecoratingLabelProvider;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.Viewer;
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.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.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.TabFolder;
import org.eclipse.swt.widgets.TabItem;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.Text;
import org.springframework.ide.eclipse.webflow.core.internal.model.DecisionState;
import org.springframework.ide.eclipse.webflow.core.internal.model.EntryActions;
import org.springframework.ide.eclipse.webflow.core.internal.model.ExitActions;
import org.springframework.ide.eclipse.webflow.core.internal.model.WebflowModelXmlUtils;
import org.springframework.ide.eclipse.webflow.core.model.IActionElement;
import org.springframework.ide.eclipse.webflow.core.model.IAttributeEnabled;
import org.springframework.ide.eclipse.webflow.core.model.ICloneableModelElement;
import org.springframework.ide.eclipse.webflow.core.model.IDecisionState;
import org.springframework.ide.eclipse.webflow.core.model.IIf;
import org.springframework.ide.eclipse.webflow.core.model.IWebflowModelElement;
import org.springframework.ide.eclipse.webflow.ui.editor.outline.webflow.WebflowUIImages;
import org.springframework.ide.eclipse.webflow.ui.graph.model.WebflowModelLabelDecorator;
import org.springframework.ide.eclipse.webflow.ui.graph.model.WebflowModelLabelProvider;
/**
* @author Christian Dupuis
*/
public class DecisionStatePropertiesDialog extends TitleAreaDialog implements
IDialogValidator {
private class IfContentProvider implements IStructuredContentProvider {
private IDecisionState project;
public IfContentProvider(IDecisionState project) {
this.project = project;
}
public void dispose() {
}
public Object[] getElements(Object obj) {
return project.getIfs().toArray();
}
public void inputChanged(Viewer arg0, Object arg1, Object arg2) {
}
}
private IDecisionState decisionState;
private IDecisionState decisionStateClone;
private Label nameLabel;
private Text nameText;
private Button okButton;
private IWebflowModelElement parent;
private PropertiesComposite properties;
private ActionComposite entryActionsComposite;
private ActionComposite exitActionsComposite;
private ExceptionHandlerComposite exceptionHandlerComposite;
private List<IActionElement> entryActions;
private List<IActionElement> exitActions;
private TableViewer configsViewer;
private Button editButton;
private List<org.springframework.ide.eclipse.webflow.core.model.IExceptionHandler> exceptionHandler;
private Label parentLabel;
private Text parentText;
public DecisionStatePropertiesDialog(Shell parentShell,
IWebflowModelElement parent, IDecisionState state) {
super(parentShell);
this.decisionState = state;
this.parent = parent;
this.decisionStateClone = ((DecisionState) state).cloneModelElement();
if (this.decisionStateClone.getEntryActions() != null) {
entryActions = new ArrayList<IActionElement>();
entryActions.addAll(this.decisionStateClone.getEntryActions()
.getEntryActions());
}
else {
entryActions = new ArrayList<IActionElement>();
EntryActions entry = new EntryActions();
entry.createNew(decisionStateClone);
decisionStateClone.setEntryActions(entry);
}
if (this.decisionStateClone.getExitActions() != null) {
exitActions = new ArrayList<IActionElement>();
exitActions.addAll(this.decisionStateClone.getExitActions()
.getExitActions());
}
else {
exitActions = new ArrayList<IActionElement>();
ExitActions exit = new ExitActions();
exit.createNew(decisionStateClone);
decisionStateClone.setExitActions(exit);
}
exceptionHandler = new ArrayList<org.springframework.ide.eclipse.webflow.core.model.IExceptionHandler>();
if (this.decisionStateClone.getExceptionHandlers() != null) {
exceptionHandler.addAll(this.decisionStateClone
.getExceptionHandlers());
}
}
protected void buttonPressed(int buttonId) {
if (buttonId == IDialogConstants.OK_ID) {
this.decisionStateClone.setId(trimString(getId()));
if (!WebflowModelXmlUtils.isVersion1Flow(decisionState)) {
this.decisionStateClone.setParent(trimString(getParent()));
}
if (decisionState.getEntryActions() == null
&& this.entryActions.size() > 0) {
EntryActions entry = new EntryActions();
entry.createNew(decisionStateClone);
for (IActionElement a : this.entryActions) {
entry.addEntryAction(a);
}
decisionStateClone.setEntryActions(entry);
}
else if (this.entryActions.size() == 0) {
decisionStateClone.setEntryActions(null);
}
else {
decisionStateClone.getEntryActions().removeAll();
for (IActionElement a : this.entryActions) {
decisionStateClone.getEntryActions().addEntryAction(a);
}
}
if (decisionState.getExitActions() == null
&& this.exitActions.size() > 0) {
ExitActions exit = new ExitActions();
exit.createNew(decisionStateClone);
for (IActionElement a : this.exitActions) {
exit.addExitAction(a);
}
decisionStateClone.setExitActions(exit);
}
else if (this.exitActions.size() == 0) {
decisionStateClone.setExitActions(null);
}
else {
decisionStateClone.getExitActions().removeAll();
for (IActionElement a : this.exitActions) {
decisionStateClone.getExitActions().addExitAction(a);
}
}
if (this.exceptionHandler != null
&& this.exceptionHandler.size() > 0) {
decisionStateClone.removeAllExceptionHandler();
for (org.springframework.ide.eclipse.webflow.core.model.IExceptionHandler a : this.exceptionHandler) {
decisionStateClone.addExceptionHandler(a);
}
}
else {
decisionStateClone.removeAllExceptionHandler();
}
((ICloneableModelElement<IDecisionState>) this.decisionState)
.applyCloneValues(this.decisionStateClone);
}
super.buttonPressed(buttonId);
}
/* (non-Javadoc)
* @see org.eclipse.jface.window.Window#configureShell(org.eclipse.swt.widgets.Shell)
*/
protected void configureShell(Shell shell) {
super.configureShell(shell);
shell.setText(getShellTitle());
shell.setImage(getImage());
}
/* (non-Javadoc)
* @see org.eclipse.jface.dialogs.Dialog#createButtonsForButtonBar(org.eclipse.swt.widgets.Composite)
*/
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.decisionState != null && this.decisionState.getId() != null) {
okButton.setEnabled(true);
}
else {
okButton.setEnabled(false);
}
}
/* (non-Javadoc)
* @see org.eclipse.jface.dialogs.TitleAreaDialog#createContents(org.eclipse.swt.widgets.Composite)
*/
protected Control createContents(Composite parent) {
Control contents = super.createContents(parent);
setTitle(getTitle());
setMessage(getMessage());
return contents;
}
/* (non-Javadoc)
* @see org.eclipse.jface.dialogs.TitleAreaDialog#createDialogArea(org.eclipse.swt.widgets.Composite)
*/
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));
TabFolder folder = new TabFolder(composite, SWT.NULL);
TabItem item1 = new TabItem(folder, SWT.NULL);
item1.setText("General");
item1.setImage(getImage());
TabItem item3 = new TabItem(folder, SWT.NULL);
TabItem item4 = new TabItem(folder, SWT.NULL);
TabItem item5 = new TabItem(folder, SWT.NULL);
TabItem item6 = new TabItem(folder, SWT.NULL);
Group groupActionType = new Group(folder, SWT.NULL);
GridLayout layoutAttMap = new GridLayout();
layoutAttMap.marginWidth = 3;
layoutAttMap.marginHeight = 3;
groupActionType.setLayout(layoutAttMap);
groupActionType.setText(" Decision State ");
GridData grid = new GridData();
groupActionType.setLayoutData(grid);
Composite nameGroup = new Composite(groupActionType, SWT.NULL);
nameGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
GridLayout layout1 = new GridLayout();
layout1.numColumns = 2;
layout1.marginWidth = 5;
nameGroup.setLayout(layout1);
nameLabel = new Label(nameGroup, SWT.NONE);
nameLabel.setText("State id");
nameText = new Text(nameGroup, SWT.SINGLE | SWT.BORDER);
if (this.decisionState != null && this.decisionState.getId() != null) {
this.nameText.setText(this.decisionState.getId());
}
nameText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
nameText.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
validateInput();
}
});
if (!WebflowModelXmlUtils.isVersion1Flow(decisionState)) {
parentLabel = new Label(nameGroup, SWT.NONE);
parentLabel.setText("Parent state id");
parentText = new Text(nameGroup, SWT.SINGLE | SWT.BORDER);
if (this.decisionState != null && this.decisionState.getParent() != null) {
this.parentText.setText(this.decisionState.getParent());
}
parentText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
parentText.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
validateInput();
}
});
}
Group groupIfsType = new Group(groupActionType, SWT.NULL);
layoutAttMap = new GridLayout();
layoutAttMap.marginWidth = 3;
layoutAttMap.marginHeight = 3;
groupIfsType.setLayout(layoutAttMap);
groupIfsType.setText(" Ifs ");
groupIfsType.setLayoutData(new GridData(GridData.FILL_BOTH));
Composite tableAndButtons = new Composite(groupIfsType, SWT.NONE);
tableAndButtons.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
GridLayout layout2 = new GridLayout();
layout2.marginHeight = 0;
layout2.marginWidth = 0;
layout2.numColumns = 2;
tableAndButtons.setLayout(layout2);
Table configsTable = new Table(tableAndButtons, SWT.MULTI
| SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.BORDER);
GridData data = new GridData(GridData.FILL_BOTH);
// data.widthHint = 250;
data.heightHint = 145;
configsTable.setLayoutData(data);
configsTable.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
handleTableSelectionChanged();
}
});
configsViewer = new TableViewer(configsTable);
configsViewer.setContentProvider(new IfContentProvider(
this.decisionStateClone));
configsViewer.setLabelProvider(new DecoratingLabelProvider(
new WebflowModelLabelProvider(),
new WebflowModelLabelDecorator()));
configsViewer.setInput(this);
Composite buttonArea = new Composite(tableAndButtons, SWT.NONE);
layout = new GridLayout();
layout.marginHeight = 0;
layout.marginWidth = 0;
buttonArea.setLayout(layout);
buttonArea.setLayoutData(new GridData(GridData.FILL_VERTICAL));
editButton = new Button(buttonArea, SWT.PUSH);
editButton.setText("Edit");
GridData data1 = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
data1.widthHint = 40;
editButton.setLayoutData(data1);
editButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
IStructuredSelection selection = (IStructuredSelection) configsViewer
.getSelection();
if (selection.getFirstElement() != null) {
if (selection.getFirstElement() instanceof IIf) {
IfPropertiesDialog dialog = new IfPropertiesDialog(
getShell(), decisionState, (IIf) selection
.getFirstElement(), false);
if (Dialog.OK == dialog.open()) {
configsViewer.refresh();
}
}
}
}
});
item1.setControl(groupActionType);
entryActionsComposite = new ActionComposite(this, item3, getShell(),
this.entryActions, this.decisionStateClone.getEntryActions(),
IActionElement.ACTION_TYPE.ENTRY_ACTION);
item3.setControl(entryActionsComposite.createDialogArea(folder));
exitActionsComposite = new ActionComposite(this, item4, getShell(),
this.exitActions, this.decisionStateClone.getExitActions(),
IActionElement.ACTION_TYPE.EXIT_ACTION);
item4.setControl(exitActionsComposite.createDialogArea(folder));
exceptionHandlerComposite = new ExceptionHandlerComposite(this, item5,
getShell(), this.exceptionHandler, this.decisionStateClone);
item5.setControl(exceptionHandlerComposite.createDialogArea(folder));
properties = new PropertiesComposite(this, item6, getShell(),
(IAttributeEnabled) this.decisionStateClone);
item6.setControl(properties.createDialogArea(folder));
applyDialogFont(parentComposite);
return parentComposite;
}
public String getId() {
return this.nameText.getText();
}
public String getParent() {
return this.parentText.getText();
}
protected Image getImage() {
return WebflowUIImages
.getImage(WebflowUIImages.IMG_OBJS_DECISION_STATE);
}
public String getMessage() {
return "Enter the details for the decision state";
}
public IWebflowModelElement getModelElementParent() {
return this.parent;
}
protected String getShellTitle() {
return "Decision State";
}
protected String getTitle() {
return "Decision State properties";
}
protected void showError(String error) {
super.setErrorMessage(error);
}
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 id attribute is required. ");
error = true;
}
else {
/*
* if (WebFlowCoreUtils.isIdAlreadyChoosenByAnotherState(parent,
* actionState, id)) { errorMessage .append("The entered id
* attribute must be unique within a single web flow. "); error =
* true; }
*/
}
if (error) {
getButton(OK).setEnabled(false);
setErrorMessage(errorMessage.toString());
}
else {
getButton(OK).setEnabled(true);
setErrorMessage(null);
}
}
protected void handleTableSelectionChanged() {
IStructuredSelection selection = (IStructuredSelection) configsViewer
.getSelection();
if (selection.isEmpty()) {
editButton.setEnabled(false);
}
else {
editButton.setEnabled(true);
}
}
}