package org.activiti.designer.property.ui;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.layout.FormLayout;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Dialog;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.TableItem;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.views.properties.tabbed.ITabbedPropertyConstants;
public class FormPropertyDialog extends Dialog implements ITabbedPropertyConstants {
public String id;
public String name;
public String type;
public String expression;
public String variable;
public String defaultExpression;
public String datePattern;
public String required;
public String readable;
public String writeable;
public String formValues;
protected String savedId;
protected String savedName;
protected String savedType;
protected String savedExpression;
protected String savedVariable;
protected String savedDefaultExpression;
protected String savedDatePattern;
protected String savedRequired;
protected String savedReadable;
protected String savedWriteable;
protected String savedFormValues;
public FormPropertyDialog(Shell parent, TableItem[] fieldList) {
// Pass the default styles here
this(parent, fieldList, SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL);
}
public FormPropertyDialog(Shell parent, TableItem[] fieldList, String savedId,
String savedName, String savedType, String savedExpression, String savedVariable,
String savedDefaultExpression, String savedDatePattern, String savedRequired, String savedReadable,
String savedWriteable, String savedFormValues) {
// Pass the default styles here
this(parent, fieldList, SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL);
this.savedId = savedId;
this.savedName = savedName;
this.savedType = savedType;
this.savedExpression = savedExpression;
this.savedVariable = savedVariable;
this.savedDefaultExpression = savedDefaultExpression;
this.savedDatePattern = savedDatePattern;
this.savedRequired = savedRequired;
this.savedReadable = savedReadable;
this.savedWriteable = savedWriteable;
this.savedFormValues = savedFormValues;
}
public FormPropertyDialog(Shell parent, TableItem[] fieldList, int style) {
// Let users override the default styles
super(parent, style);
setText("Form property configuration");
}
/**
* Opens the dialog and returns the input
*
* @return String
*/
public String open() {
// Create the dialog window
Shell shell = new Shell(getParent(), getStyle());
shell.setBackground(Display.getDefault().getSystemColor(SWT.COLOR_WHITE));
shell.setText(getText());
shell.setSize(700, 650);
Point location = getParent().getShell().getLocation();
Point size = getParent().getShell().getSize();
shell.setLocation((location.x + size.x - 300) / 2, (location.y + size.y - 150) / 2);
createContents(shell);
shell.open();
Display display = getParent().getDisplay();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
return null;
}
/**
* Creates the dialog's contents
*
* @param shell
* the dialog window
*/
private void createContents(final Shell shell) {
FormLayout layout = new FormLayout();
layout.marginHeight = 5;
layout.marginWidth = 5;
shell.setLayout(layout);
FormData data;
final Text idText = createText(savedId, shell, null);
createLabel("Id", shell, idText);
final Text nameText = createText(savedName, shell, idText);
createLabel("Name", shell, nameText);
final Text typeText = createText(savedType, shell, nameText);
createLabel("Type", shell, typeText);
final Text expressionText = createText(savedExpression, shell, typeText);
createLabel("Expression", shell, expressionText);
final Text variableText = createText(savedVariable, shell, expressionText);
createLabel("Variable", shell, variableText);
final Text defaultText = createText(savedDefaultExpression, shell, variableText);
createLabel("Default", shell, defaultText);
final Text patternText = createText(savedDatePattern, shell, defaultText);
createLabel("Date pattern", shell, patternText);
final Combo readableDropDown = new Combo(shell, SWT.DROP_DOWN | SWT.BORDER);
readableDropDown.add("");
readableDropDown.add("True");
readableDropDown.add("False");
data = new FormData();
data.left = new FormAttachment(0, 120);
data.right = new FormAttachment(50, 0);
data.top = new FormAttachment(patternText, VSPACE);
readableDropDown.setLayoutData(data);
if("true".equalsIgnoreCase(savedReadable)) {
readableDropDown.select(1);
} else if("false".equalsIgnoreCase(savedReadable)) {
readableDropDown.select(2);
} else {
readableDropDown.select(0);
}
createLabel("Readable", shell, readableDropDown);
final Combo writeableDropDown = new Combo(shell, SWT.DROP_DOWN | SWT.BORDER);
writeableDropDown.add("");
writeableDropDown.add("True");
writeableDropDown.add("False");
data = new FormData();
data.left = new FormAttachment(0, 120);
data.right = new FormAttachment(50, 0);
data.top = new FormAttachment(readableDropDown, VSPACE);
writeableDropDown.setLayoutData(data);
if("true".equalsIgnoreCase(savedWriteable)) {
writeableDropDown.select(1);
} else if("false".equalsIgnoreCase(savedWriteable)) {
writeableDropDown.select(2);
} else {
writeableDropDown.select(0);
}
createLabel("Writeable", shell, writeableDropDown);
final Combo requiredDropDown = new Combo(shell, SWT.DROP_DOWN | SWT.BORDER);
requiredDropDown.add("");
requiredDropDown.add("True");
requiredDropDown.add("False");
data = new FormData();
data.left = new FormAttachment(0, 120);
data.right = new FormAttachment(50, 0);
data.top = new FormAttachment(writeableDropDown, VSPACE);
requiredDropDown.setLayoutData(data);
if("true".equalsIgnoreCase(savedRequired)) {
requiredDropDown.select(1);
} else if("false".equalsIgnoreCase(savedRequired)) {
requiredDropDown.select(2);
} else {
requiredDropDown.select(0);
}
createLabel("Required", shell, requiredDropDown);
Composite valuesComposite = new Composite(shell, SWT.WRAP);
data = new FormData();
data.left = new FormAttachment(0, 120);
data.right = new FormAttachment(100, 0);
data.top = new FormAttachment(requiredDropDown, VSPACE);
valuesComposite.setLayoutData(data);
GridLayout valuesLayout = new GridLayout();
valuesLayout.marginTop = 0;
valuesLayout.numColumns = 1;
valuesComposite.setLayout(valuesLayout);
final FormValueEditor formValueEditor = new FormValueEditor("formValueEditor", valuesComposite);
formValueEditor.getLabelControl(valuesComposite).setBackground(Display.getDefault().getSystemColor(SWT.COLOR_WHITE));
formValueEditor.initialize(savedFormValues);
createLabel("Form values", shell, valuesComposite);
// Create the cancel button and add a handler
// so that pressing it will set input to null
Button cancel = new Button(shell, SWT.PUSH);
cancel.setText("Cancel");
data = new FormData();
data.left = new FormAttachment(0, 120);
data.right = new FormAttachment(50, 0);
data.top = new FormAttachment(valuesComposite, 20);
cancel.setLayoutData(data);
cancel.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent event) {
shell.close();
}
});
Button ok = new Button(shell, SWT.PUSH);
ok.setText("OK");
data = new FormData();
data.left = new FormAttachment(0, 0);
data.right = new FormAttachment(cancel, -HSPACE);
data.top = new FormAttachment(cancel, 0, SWT.TOP);
ok.setLayoutData(data);
ok.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent event) {
if(idText.getText() == null || idText.getText().length() == 0) {
MessageDialog.openError(shell, "Validation error", "ID must be filled.");
return;
}
id = idText.getText();
name = nameText.getText();
type = typeText.getText();
expression = expressionText.getText();
variable = variableText.getText();
defaultExpression = defaultText.getText();
datePattern = patternText.getText();
readable = readableDropDown.getText();
writeable = writeableDropDown.getText();
required = requiredDropDown.getText();
formValues = "";
TableItem[] formValueItems = formValueEditor.getItems();
if(formValueItems != null) {
for(int i = 0; i < formValueItems.length; i++) {
TableItem formValueItem = formValueItems[i];
if(i > 0) {
formValues += ";";
}
formValues += formValueItem.getText(0) + ":" + formValueItem.getText(1);
}
}
shell.close();
}
});
// Set the OK button as the default, so
// user can type input and press Enter
// to dismiss
shell.setDefaultButton(ok);
}
private Text createText(String saved, Shell shell, Control control) {
Text textField = new Text(shell, SWT.BORDER);
if(saved != null) {
textField.setText(saved);
}
FormData data = new FormData();
data.left = new FormAttachment(0, 120);
data.right = new FormAttachment(70, 0);
if(control != null) {
data.top = new FormAttachment(control, 10);
} else {
data.top = new FormAttachment(0, 10);
}
textField.setLayoutData(data);
return textField;
}
private void createLabel(String text, Shell shell, Control control) {
CLabel idLabel = new CLabel(shell, SWT.NONE);
idLabel.setText(text);
FormData data = new FormData();
data.left = new FormAttachment(0, 0);
data.right = new FormAttachment(control, -HSPACE);
data.top = new FormAttachment(control, 0, SWT.TOP);
idLabel.setLayoutData(data);
idLabel.setBackground(Display.getDefault().getSystemColor(SWT.COLOR_WHITE));
}
}