Java tutorial
/******************************************************************************* * Copyright (c) 2007, 2008 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.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.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.Label; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.TabItem; import org.eclipse.swt.widgets.Table; 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.internal.model.EvaluateAction; import org.springframework.ide.eclipse.webflow.core.internal.model.Set; 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.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 ActionComposite { private class ActionContentProvider implements IStructuredContentProvider { private List<IActionElement> actions; public ActionContentProvider(List<IActionElement> actions) { this.actions = actions; } public void dispose() { } public Object[] getElements(Object obj) { return actions.toArray(); } public void inputChanged(Viewer arg0, Object arg1, Object arg2) { } } private TableViewer configsViewer; private Button editButton; private Button addActionButton; private Button addBeanActionButton; private Button addEvaluationButton; private Button addSetButton; private Button deleteButton; // private IDialogValidator validator; private Shell parentShell; private List<IActionElement> actions; private IWebflowModelElement parentElement; private IActionElement.ACTION_TYPE type; public ActionComposite(IDialogValidator validator, TabItem item, Shell parentShell, List<IActionElement> actions, IWebflowModelElement parentElement, IActionElement.ACTION_TYPE type) { this.actions = actions; if (type == IActionElement.ACTION_TYPE.ACTION) { item.setText("Actions"); item.setToolTipText("Define element's actions"); } else if (type == IActionElement.ACTION_TYPE.ENTRY_ACTION) { item.setText("Entry Actions"); item.setToolTipText("Define element's entry actions"); } else if (type == IActionElement.ACTION_TYPE.EXIT_ACTION) { item.setText("Exit Actions"); item.setToolTipText("Define element's exit actions"); } else if (type == IActionElement.ACTION_TYPE.RENDER_ACTION) { item.setText("Render Actions"); item.setToolTipText("Define element's render actions"); } item.setImage(WebflowUIImages.getImage(WebflowUIImages.IMG_OBJS_ACTIONS)); this.parentShell = parentShell; this.parentElement = parentElement; // this.validator = validator; this.type = type; } protected Control createDialogArea(Composite parent) { Group groupActionType = new Group(parent, SWT.NULL); GridLayout layoutAttMap = new GridLayout(); layoutAttMap.marginWidth = 3; layoutAttMap.marginHeight = 3; groupActionType.setLayout(layoutAttMap); groupActionType.setText(" Actions "); groupActionType.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); Composite tableAndButtons = new Composite(groupActionType, 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 = 150; data.heightHint = 200; configsTable.setLayoutData(data); configsTable.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { handleTableSelectionChanged(); } }); configsViewer = new TableViewer(configsTable); configsViewer.setContentProvider(new ActionContentProvider(this.actions)); configsViewer.setLabelProvider( new DecoratingLabelProvider(new WebflowModelLabelProvider(), new WebflowModelLabelDecorator())); configsViewer.setInput(this); 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)); 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 IActionElement) { TitleAreaDialog dialog = null; IActionElement actionElement = (IActionElement) selection.getFirstElement(); if (actionElement instanceof Action) { dialog = new ActionPropertiesDialog(parentShell, parentElement, (Action) selection.getFirstElement()); } else if (actionElement instanceof BeanAction) { dialog = new BeanActionPropertiesDialog(parentShell, parentElement, (BeanAction) selection.getFirstElement()); } else if (actionElement instanceof EvaluateAction) { dialog = new EvaluateActionPropertiesDialog(parentShell, parentElement, (EvaluateAction) selection.getFirstElement()); } else if (actionElement instanceof Set) { dialog = new SetActionPropertiesDialog(parentShell, parentElement, (Set) selection.getFirstElement()); } if (Dialog.OK == dialog.open()) { configsViewer.refresh(); } } } } }); deleteButton = new Button(buttonArea, SWT.PUSH); deleteButton.setText("Delete"); data1 = new GridData(GridData.HORIZONTAL_ALIGN_FILL); data1.widthHint = 40; deleteButton.setLayoutData(data1); deleteButton.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { IStructuredSelection selection = (IStructuredSelection) configsViewer.getSelection(); if (selection.getFirstElement() != null && selection.getFirstElement() instanceof IActionElement) { IActionElement actionElement = (IActionElement) selection.getFirstElement(); actions.remove(actionElement); configsViewer.refresh(true); } } }); Label sep = new Label(buttonArea, SWT.HORIZONTAL | SWT.SEPARATOR); sep.setLayoutData(data1); addActionButton = new Button(buttonArea, SWT.PUSH); if (WebflowModelXmlUtils.isVersion1Flow(parentElement)) { addActionButton.setText("Add Action"); } else { addActionButton.setText("Add Render"); } data1 = new GridData(GridData.HORIZONTAL_ALIGN_FILL); data1.widthHint = 120; addActionButton.setLayoutData(data1); addActionButton.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { Action action = new Action(); action.createNew(parentElement); action.setType(type); if (DialogUtils.openPropertiesDialog(parentElement, action, true) == Dialog.OK) { actions.add(action); configsViewer.refresh(); } } }); if (WebflowModelXmlUtils.isVersion1Flow(parentElement)) { addBeanActionButton = new Button(buttonArea, SWT.PUSH); addBeanActionButton.setText("Add Bean Action"); data1 = new GridData(GridData.HORIZONTAL_ALIGN_FILL); data1.widthHint = 120; addBeanActionButton.setLayoutData(data1); addBeanActionButton.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { BeanAction action = new BeanAction(); action.createNew(parentElement); action.setType(type); if (DialogUtils.openPropertiesDialog(parentElement, action, true) == Dialog.OK) { actions.add(action); configsViewer.refresh(); } } }); } addEvaluationButton = new Button(buttonArea, SWT.PUSH); if (WebflowModelXmlUtils.isVersion1Flow(parentElement)) { addEvaluationButton.setText("Add Evaluation Action"); } else { addEvaluationButton.setText("Add Evaluate"); } data1 = new GridData(GridData.HORIZONTAL_ALIGN_FILL); data1.widthHint = 120; addEvaluationButton.setLayoutData(data1); addEvaluationButton.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { EvaluateAction action = new EvaluateAction(); action.createNew(parentElement); action.setType(type); if (DialogUtils.openPropertiesDialog(parentElement, action, true) == Dialog.OK) { actions.add(action); configsViewer.refresh(); } } }); addSetButton = new Button(buttonArea, SWT.PUSH); addSetButton.setText("Add Set"); data1 = new GridData(GridData.HORIZONTAL_ALIGN_FILL); data1.widthHint = 120; addSetButton.setLayoutData(data1); addSetButton.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { Set action = new Set(); action.createNew(parentElement); action.setType(type); if (DialogUtils.openPropertiesDialog(parentElement, action, true) == Dialog.OK) { actions.add(action); configsViewer.refresh(); } } }); editButton.setEnabled(false); deleteButton.setEnabled(false); return groupActionType; } protected void handleTableSelectionChanged() { IStructuredSelection selection = (IStructuredSelection) configsViewer.getSelection(); if (selection.isEmpty()) { this.editButton.setEnabled(false); this.deleteButton.setEnabled(false); } else { this.editButton.setEnabled(true); this.deleteButton.setEnabled(true); } } public List<IActionElement> getActions() { return this.actions; } }