/*******************************************************************************
* 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.dialogs;
import java.util.List;
import org.eclipse.jface.dialogs.Dialog;
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.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
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.Shell;
import org.eclipse.swt.widgets.TabItem;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.springframework.ide.eclipse.webflow.core.internal.model.Attribute;
import org.springframework.ide.eclipse.webflow.core.internal.model.Import;
import org.springframework.ide.eclipse.webflow.core.internal.model.StateTransition;
import org.springframework.ide.eclipse.webflow.core.internal.model.Variable;
import org.springframework.ide.eclipse.webflow.core.model.IActionElement;
import org.springframework.ide.eclipse.webflow.core.model.IAttribute;
import org.springframework.ide.eclipse.webflow.core.model.IAttributeEnabled;
import org.springframework.ide.eclipse.webflow.core.model.IImport;
import org.springframework.ide.eclipse.webflow.core.model.IState;
import org.springframework.ide.eclipse.webflow.core.model.IStateTransition;
import org.springframework.ide.eclipse.webflow.core.model.IVar;
import org.springframework.ide.eclipse.webflow.core.model.IWebflowModelElement;
import org.springframework.ide.eclipse.webflow.core.model.IWebflowState;
import org.springframework.ide.eclipse.webflow.ui.editor.outline.webflow.WebflowUIImages;
/**
* @author Christian Dupuis
*/
@SuppressWarnings("unused")
public class GlobalTransitionsComposite {
/**
*
*/
private class GlobalTransitionsContentProvider implements
IStructuredContentProvider {
/**
*
*/
private List<IStateTransition> actions;
/**
* @param actions
*/
public GlobalTransitionsContentProvider(List<IStateTransition> actions) {
this.actions = actions;
}
/**
*
*/
public void dispose() {
}
/**
* @param obj
* @return
*/
public Object[] getElements(Object obj) {
return actions.toArray();
}
/**
* @param arg1
* @param arg0
* @param arg2
*/
public void inputChanged(Viewer arg0, Object arg1, Object arg2) {
}
}
/**
*
*/
private List<IStateTransition> transitions;
/**
*
*/
private IWebflowModelElement parentElement;
/**
*
*/
private Button removeButton;
/**
*
*/
private Button addButton;
/**
*
*/
private Button editButton;
/**
*
*/
private TableViewer configsViewer;
/**
*
*/
private IDialogValidator validator;
/**
*
*/
private Shell parentShell;
private IWebflowState webflowState;
/**
* @param item
* @param parentShell
* @param validator
* @param state
*/
public GlobalTransitionsComposite(IDialogValidator validator, TabItem item,
Shell parentShell, List<IStateTransition> transitions,
IWebflowModelElement parentElement, IWebflowState webflowState) {
this.transitions = transitions;
this.parentElement = parentElement;
this.webflowState = webflowState;
item.setText("Global Transitions");
item.setToolTipText("Define global Transitions");
item.setImage(WebflowUIImages
.getImage(WebflowUIImages.IMG_OBJS_TRANSITION));
this.parentShell = parentShell;
}
/**
* @param parent
* @return
*/
protected Control createDialogArea(Composite parent) {
Group groupPropertyType = new Group(parent, SWT.NULL);
GridLayout layoutPropMap = new GridLayout();
layoutPropMap.marginWidth = 3;
layoutPropMap.marginHeight = 3;
groupPropertyType.setLayout(layoutPropMap);
groupPropertyType.setText(" Global Transitions ");
groupPropertyType.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
Composite tableAndButtons = new Composite(groupPropertyType, 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 = 150;
configsTable.setLayoutData(data);
TableColumn columnOn = new TableColumn(configsTable, SWT.NONE);
columnOn.setText("On");
columnOn.setWidth(150);
TableColumn columnTo = new TableColumn(configsTable, SWT.NONE);
columnTo.setText("To");
columnTo.setWidth(150);
TableColumn columnOnException = new TableColumn(configsTable, SWT.NONE);
columnOnException.setText("On-Exception");
columnOnException.setWidth(150);
configsTable.setHeaderVisible(true);
configsViewer = new TableViewer(configsTable);
String[] columnNames = new String[] { "On", "To", "On-Exception" };
configsViewer.setColumnProperties(columnNames);
configsViewer.setContentProvider(new GlobalTransitionsContentProvider(
this.transitions));
configsViewer.setLabelProvider(new ModelTableLabelProvider());
configsViewer.setCellModifier(new TableCellModifier());
configsViewer.setInput(this.transitions);
configsTable.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
handleTableSelectionChanged();
}
});
Composite buttonArea = new Composite(tableAndButtons, SWT.NONE);
GridLayout layout = new GridLayout();
layout.marginHeight = 0;
layout.marginWidth = 0;
buttonArea.setLayout(layout);
buttonArea.setLayoutData(new GridData(GridData.FILL_VERTICAL));
addButton = new Button(buttonArea, SWT.PUSH);
addButton.setText("Add");
GridData data1 = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
data1.widthHint = 40;
addButton.setLayoutData(data1);
addButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
IStateTransition trans = new StateTransition();
trans.createNew(parentElement,
webflowState);
StateTransitionPropertiesDialog dialog = new StateTransitionPropertiesDialog(
parentShell, parentElement, trans, true);
if (dialog.open() == Dialog.OK) {
transitions.add(trans);
configsViewer.refresh(true);
}
}
});
editButton = new Button(buttonArea, SWT.PUSH);
editButton.setText("Edit");
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 IStateTransition) {
StateTransitionPropertiesDialog dialog = new StateTransitionPropertiesDialog(
parentShell, parentElement,
(IStateTransition) selection.getFirstElement(), true);
dialog.open();
configsViewer.refresh();
}
}
}
});
removeButton = new Button(buttonArea, SWT.PUSH);
removeButton.setText("Delete");
GridData data2 = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
data1.widthHint = 40;
removeButton.setLayoutData(data2);
removeButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
IStructuredSelection selection = (IStructuredSelection) configsViewer
.getSelection();
if (selection.getFirstElement() != null) {
if (selection.getFirstElement() instanceof IStateTransition) {
transitions.remove(selection.getFirstElement());
configsViewer.refresh();
}
}
}
});
removeButton.setEnabled(false);
editButton.setEnabled(false);
return groupPropertyType;
}
/**
* The user has selected a different configuration in table. Update button
* enablement.
*/
private void handleTableSelectionChanged() {
IStructuredSelection selection = (IStructuredSelection) configsViewer
.getSelection();
if (selection.isEmpty()) {
removeButton.setEnabled(false);
editButton.setEnabled(false);
}
else {
removeButton.setEnabled(true);
editButton.setEnabled(true);
}
}
}