Java tutorial
/* * Copyright (C) 2017 CenturyLink, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.centurylink.mdw.plugin.designer.dialogs; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.dialogs.TrayDialog; import org.eclipse.swt.SWT; import org.eclipse.swt.custom.BusyIndicator; 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.Font; import org.eclipse.swt.graphics.FontData; 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.Label; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Text; import com.centurylink.mdw.plugin.designer.DesignerProxy; import com.centurylink.mdw.plugin.designer.model.Activity; import com.centurylink.mdw.model.data.work.WorkStatuses; import com.centurylink.mdw.model.value.event.ExternalMessageVO; import com.centurylink.mdw.model.value.user.UserRoleVO; import com.centurylink.mdw.model.value.work.ActivityInstanceVO; public class ActivityInstanceDialog extends TrayDialog { public enum Mode { VIEW, RETRY, SKIP } private Activity activity; public Activity getActivity() { return activity; } private ActivityInstanceVO activityInstanceVO; public ActivityInstanceVO getActivityInstanceVO() { return activityInstanceVO; } private Text completionCodeText; private Text requestMessageText; private Text responseMessageText; private Button retryButton; private Button skipButton; private String completionCode; public String getCompletionCode() { return completionCode; } private String statusMessage; private Mode mode; public ActivityInstanceDialog(Shell shell, Activity activity, ActivityInstanceVO activityInstanceVO, Mode mode) { super(shell); this.activity = activity; this.activityInstanceVO = activityInstanceVO; this.mode = mode; } @Override protected Control createDialogArea(Composite parent) { Composite composite = (Composite) super.createDialogArea(parent); GridLayout layout = new GridLayout(); layout.numColumns = 3; layout.verticalSpacing = 1; composite.setLayout(layout); composite.getShell().setText("Activity Instance"); // activity name Label nameLabel = new Label(composite, SWT.NONE); nameLabel.setFont(new Font(nameLabel.getDisplay(), new FontData("Tahoma", 8, SWT.BOLD))); GridData gd = new GridData(SWT.LEFT); gd.horizontalSpan = 3; nameLabel.setLayoutData(gd); nameLabel.setText(activity.getName()); // high-level info new Label(composite, SWT.NONE).setText("Instance ID: " + activityInstanceVO.getId()); Label spacer = new Label(composite, SWT.NONE); gd = new GridData(SWT.LEFT); gd.widthHint = 50; spacer.setLayoutData(gd); new Label(composite, SWT.NONE).setText("Start: " + activityInstanceVO.getStartDate()); new Label(composite, SWT.NONE) .setText("Status: " + WorkStatuses.getWorkStatuses().get(activityInstanceVO.getStatusCode())); spacer = new Label(composite, SWT.NONE); spacer.setLayoutData(gd); new Label(composite, SWT.NONE).setText("End: " + activityInstanceVO.getEndDate()); if (!mode.equals(Mode.RETRY)) { if (!mode.equals(Mode.SKIP)) { if (activity.isAdapter() || activity.isStart() || activity.isEventWait()) { ExternalMessageVO messageVO = getDesignerProxy().getExternalMessage(activity, activityInstanceVO); if (!activity.isEventWait()) { spacer = new Label(composite, SWT.NONE); gd = new GridData(SWT.LEFT); gd.horizontalSpan = 3; gd.heightHint = 5; spacer.setLayoutData(gd); // request Label label = new Label(composite, SWT.NONE); gd = new GridData(SWT.LEFT); gd.horizontalSpan = 3; label.setLayoutData(gd); label.setText(activity.isAdapter() ? "Adapter Request:" : "External Event Request:"); requestMessageText = new Text(composite, SWT.BORDER | SWT.READ_ONLY | SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL); gd = new GridData(SWT.LEFT); gd.horizontalSpan = 3; gd.widthHint = 500; gd.heightHint = 180; requestMessageText.setLayoutData(gd); if (messageVO != null && messageVO.getRequest() != null) requestMessageText.setText(messageVO.getRequest()); } spacer = new Label(composite, SWT.NONE); gd = new GridData(SWT.LEFT); gd.horizontalSpan = 3; gd.heightHint = 5; spacer.setLayoutData(gd); // response Label label = new Label(composite, SWT.NONE); gd = new GridData(SWT.LEFT); gd.horizontalSpan = 3; label.setLayoutData(gd); label.setText(activity.isAdapter() ? "Adapter Response:" : activity.isEmpty() ? "Event Message:" : "Response Message:"); responseMessageText = new Text(composite, SWT.BORDER | SWT.READ_ONLY | SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL); gd = new GridData(SWT.LEFT); gd.horizontalSpan = 3; gd.widthHint = 500; gd.heightHint = 180; responseMessageText.setLayoutData(gd); if (messageVO != null && messageVO.getResponse() != null) responseMessageText.setText(messageVO.getResponse()); } } spacer = new Label(composite, SWT.NONE); gd = new GridData(SWT.LEFT); gd.horizontalSpan = 3; gd.heightHint = 5; spacer.setLayoutData(gd); // completion code / status message Label label = new Label(composite, SWT.NONE); gd = new GridData(SWT.LEFT); gd.horizontalSpan = 3; label.setLayoutData(gd); label.setText(mode.equals(Mode.VIEW) ? "Completion Code / Status Message:" : "Completion Code"); int style = SWT.BORDER; if (mode.equals(Mode.VIEW)) style = style | SWT.READ_ONLY | SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL; completionCodeText = new Text(composite, style); gd = new GridData(SWT.LEFT); gd.horizontalSpan = 3; gd.widthHint = 500; if (mode.equals(Mode.VIEW)) gd.heightHint = 100; completionCodeText.setLayoutData(gd); if (mode.equals(Mode.VIEW) && activityInstanceVO.getStatusMessage() != null) completionCodeText.setText(activityInstanceVO.getStatusMessage()); if (mode.equals(Mode.SKIP)) { completionCodeText.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { String compCode = completionCodeText.getText().trim(); completionCode = compCode.length() == 0 ? null : compCode; } }); } } return composite; } protected void createButtonsForButtonBar(Composite parent) { if (mode.equals(Mode.VIEW)) { createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true); return; } if (mode.equals(Mode.RETRY)) { retryButton = createButton(parent, -1, "Retry", false); retryButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { BusyIndicator.showWhile(getShell().getDisplay(), new Runnable() { public void run() { statusMessage = activity.getProject().getDesignerProxy().retryActivityInstance(activity, activityInstanceVO); } }); if (statusMessage == null || statusMessage.trim().length() == 0) MessageDialog.openInformation(getShell(), "Retry Activity", "Activity instance: " + activityInstanceVO.getId() + " retried"); else MessageDialog.openError(getShell(), "Retry Activity", statusMessage); close(); } }); if (!activity.getProcess().isUserAuthorized(UserRoleVO.PROCESS_EXECUTION)) retryButton.setEnabled(false); } if (mode.equals(Mode.SKIP)) { skipButton = createButton(parent, -1, "Proceed", false); skipButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { BusyIndicator.showWhile(getShell().getDisplay(), new Runnable() { public void run() { statusMessage = activity.getProject().getDesignerProxy().skipActivityInstance(activity, activityInstanceVO, completionCode); } }); if (statusMessage == null || statusMessage.trim().length() == 0) MessageDialog.openInformation(getShell(), "Skip Activity", "Activity instance: " + activityInstanceVO.getId() + " skipped with completion code: " + completionCode + "."); else MessageDialog.openError(getShell(), "Skip Activity", statusMessage); close(); } }); if (!activity.getProcess().isUserAuthorized(UserRoleVO.PROCESS_EXECUTION)) skipButton.setEnabled(false); } createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, true); } private DesignerProxy getDesignerProxy() { return activity.getProject().getDesignerProxy(); } }