package org.activiti.designer.property;
import java.util.List;
import org.activiti.bpmn.model.UserTask;
import org.activiti.designer.util.property.ActivitiPropertySection;
import org.apache.commons.lang.StringUtils;
import org.eclipse.graphiti.features.IFeature;
import org.eclipse.graphiti.features.context.IContext;
import org.eclipse.graphiti.features.context.impl.CustomContext;
import org.eclipse.graphiti.features.impl.AbstractFeature;
import org.eclipse.graphiti.mm.pictograms.PictogramElement;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.events.FocusEvent;
import org.eclipse.swt.events.FocusListener;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.views.properties.tabbed.ITabbedPropertyConstants;
import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetPage;
import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetWidgetFactory;
public class PropertyUserTaskSection extends ActivitiPropertySection implements ITabbedPropertyConstants {
private Text assigneeText;
private Text candidateUsersText;
private Text candidateGroupsText;
private Text formKeyText;
private Text dueDateText;
private Text priorityText;
private Text documentationText;
@Override
public void createControls(Composite parent, TabbedPropertySheetPage tabbedPropertySheetPage) {
super.createControls(parent, tabbedPropertySheetPage);
TabbedPropertySheetWidgetFactory factory = getWidgetFactory();
Composite composite = factory.createFlatFormComposite(parent);
FormData data;
assigneeText = createText(composite, factory, null);
createLabel("Assignee:", composite, factory, assigneeText);
candidateUsersText = createText(composite, factory, assigneeText);
createLabel("Candidate users (comma separated):", composite, factory, candidateUsersText);
candidateGroupsText = createText(composite, factory, candidateUsersText);
createLabel("Candidate groups (comma separated):", composite, factory, candidateGroupsText);
formKeyText = createText(composite, factory, candidateGroupsText);
createLabel("Form key:", composite, factory, formKeyText);
dueDateText = createText(composite, factory, formKeyText);
createLabel("Due date (variable):", composite, factory, dueDateText);
priorityText = createText(composite, factory, dueDateText);
createLabel("Priority:", composite, factory, priorityText);
documentationText = factory.createText(composite, "", SWT.MULTI | SWT.BORDER | SWT.WRAP | SWT.V_SCROLL); //$NON-NLS-1$
data = new FormData(SWT.DEFAULT, 100);
data.left = new FormAttachment(0, 250);
data.right = new FormAttachment(100, 0);
data.top = new FormAttachment(priorityText, VSPACE);
documentationText.setLayoutData(data);
createLabel("Documentation:", composite, factory, documentationText);
}
@Override
public void refresh() {
assigneeText.removeFocusListener(listener);
candidateUsersText.removeFocusListener(listener);
candidateGroupsText.removeFocusListener(listener);
formKeyText.removeFocusListener(listener);
dueDateText.removeFocusListener(listener);
priorityText.removeFocusListener(listener);
documentationText.removeFocusListener(listener);
PictogramElement pe = getSelectedPictogramElement();
if (pe != null) {
Object bo = getBusinessObject(pe);
if (bo == null)
return;
UserTask userTask = (UserTask) bo;
assigneeText.setText("");
if (StringUtils.isNotEmpty(userTask.getAssignee())) {
assigneeText.setText(userTask.getAssignee());
}
candidateUsersText.setText(getCandidatesString(userTask.getCandidateUsers()));
candidateGroupsText.setText(getCandidatesString(userTask.getCandidateGroups()));
formKeyText.setText("");
if (formKeyText != null) {
if (StringUtils.isNotEmpty(userTask.getFormKey())) {
formKeyText.setText(userTask.getFormKey());
}
}
dueDateText.setText("");
if (StringUtils.isNotEmpty(userTask.getDueDate())) {
dueDateText.setText(userTask.getDueDate().toString());
}
priorityText.setText("");
if (userTask.getPriority() != null) {
priorityText.setText(userTask.getPriority().toString());
}
documentationText.setText("");
if (StringUtils.isNotEmpty(userTask.getDocumentation())) {
documentationText.setText(userTask.getDocumentation());
}
assigneeText.addFocusListener(listener);
candidateUsersText.addFocusListener(listener);
candidateGroupsText.addFocusListener(listener);
formKeyText.addFocusListener(listener);
dueDateText.addFocusListener(listener);
priorityText.addFocusListener(listener);
documentationText.addFocusListener(listener);
}
}
private FocusListener listener = new FocusListener() {
public void focusGained(final FocusEvent e) {
}
public void focusLost(final FocusEvent e) {
PictogramElement pe = getSelectedPictogramElement();
if (pe != null) {
final Object bo = getBusinessObject(pe);
if (bo instanceof UserTask) {
final UserTask userTask = (UserTask) bo;
updateUserTaskField(userTask, e.getSource());
}
}
}
};
protected String getCandidatesString(List<String> candidateList) {
StringBuffer expressionBuffer = new StringBuffer();
if (candidateList.size() > 0) {
for (String candidate : candidateList) {
if (expressionBuffer.length() > 0) {
expressionBuffer.append(",");
}
expressionBuffer.append(candidate.trim());
}
}
return expressionBuffer.toString();
}
protected void updateUserTaskField(final UserTask userTask, final Object source) {
String oldValue = null;
String newValue = ((Text) source).getText();
if (source == assigneeText) {
oldValue = userTask.getAssignee();
} else if (source == candidateUsersText) {
oldValue = getCandidatesString(userTask.getCandidateUsers());
} else if (source == candidateGroupsText) {
oldValue = getCandidatesString(userTask.getCandidateGroups());
} else if (source == formKeyText) {
oldValue = userTask.getFormKey();
} else if (source == dueDateText) {
oldValue = userTask.getDueDate();
} else if (source == priorityText) {
oldValue = userTask.getPriority();
} else if (source == documentationText) {
oldValue = userTask.getDocumentation();
}
if (StringUtils.isEmpty(oldValue) || oldValue.equals(newValue) == false) {
IFeature feature = new AbstractFeature(getDiagramTypeProvider().getFeatureProvider()) {
@Override
public void execute(IContext context) {
if (source == assigneeText) {
userTask.setAssignee(assigneeText.getText());
} else if (source == candidateUsersText) {
updateCandidates(userTask, source);
} else if (source == candidateGroupsText) {
updateCandidates(userTask, source);
} else if (source == formKeyText) {
userTask.setFormKey(formKeyText.getText());
} else if (source == dueDateText) {
userTask.setDueDate(dueDateText.getText());
} else if (source == priorityText) {
userTask.setPriority(priorityText.getText());
} else if (source == documentationText) {
userTask.setDocumentation(documentationText.getText());
}
}
@Override
public boolean canExecute(IContext context) {
return true;
}
};
CustomContext context = new CustomContext();
execute(feature, context);
}
}
protected void updateCandidates(UserTask userTask, Object source) {
String candidates = ((Text) source).getText();
if (StringUtils.isNotEmpty(candidates)) {
String[] expressionList = null;
if (candidates.contains(",")) {
expressionList = candidates.split(",");
} else {
expressionList = new String[] { candidates };
}
if (source == candidateUsersText) {
userTask.getCandidateUsers().clear();
} else {
userTask.getCandidateGroups().clear();
}
for (String user : expressionList) {
if (source == candidateUsersText) {
userTask.getCandidateUsers().add(user.trim());
} else {
userTask.getCandidateGroups().add(user.trim());
}
}
}
}
private Text createText(Composite parent, TabbedPropertySheetWidgetFactory factory, Control top) {
Text text = factory.createText(parent, ""); //$NON-NLS-1$
FormData data = new FormData();
data.left = new FormAttachment(0, 250);
data.right = new FormAttachment(100, -HSPACE);
if (top == null) {
data.top = new FormAttachment(0, VSPACE);
} else {
data.top = new FormAttachment(top, VSPACE);
}
text.setLayoutData(data);
return text;
}
private CLabel createLabel(String text, Composite parent, TabbedPropertySheetWidgetFactory factory, Control control) {
CLabel label = factory.createCLabel(parent, text);
FormData data = new FormData();
data.left = new FormAttachment(0, 0);
data.right = new FormAttachment(control, -HSPACE);
data.top = new FormAttachment(control, 0, SWT.CENTER);
label.setLayoutData(data);
return label;
}
}