/*
* JBoss, Home of Professional Open Source.
*
* See the LEGAL.txt file distributed with this work for information regarding copyright ownership and licensing.
*
* See the AUTHORS.txt file distributed with this work for a full listing of individual contributors.
*/
package org.teiid.designer.vdb.dynamic.ui.editor.dialogs;
import static org.teiid.designer.vdb.ui.VdbUiConstants.Util;
import java.util.HashSet;
import java.util.Set;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
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 org.teiid.core.designer.util.CoreArgCheck;
import org.teiid.core.designer.util.I18nUtil;
import org.teiid.core.designer.util.StringUtilities;
/**
*
*/
public class AddGeneralPropertyDialog extends MessageDialog {
private static final String PREFIX = I18nUtil.getPropertyPrefix(AddGeneralPropertyDialog.class);
private Button btnOk;
private final Set<String> existingNames;
private String name;
private String value;
/**
* @param parentShell the parent shell (may be <code>null</code>)
* @param existingPropertyNames the existing property names (can be <code>null</code>)
*/
public AddGeneralPropertyDialog( Shell parentShell,
Set<String> existingPropertyNames ) {
super(parentShell, Util.getString(PREFIX + "title"), null, //$NON-NLS-1$
Util.getString(PREFIX + "message"), MessageDialog.INFORMATION, //$NON-NLS-1$
new String[] { IDialogConstants.OK_LABEL, IDialogConstants.CANCEL_LABEL }, 0);
if( existingPropertyNames == null ) {
this.existingNames = new HashSet<String>(0);
} else {
this.existingNames = existingPropertyNames;
}
}
/**
* {@inheritDoc}
*
* @see org.eclipse.jface.dialogs.MessageDialog#createButton(org.eclipse.swt.widgets.Composite, int, java.lang.String, boolean)
*/
@Override
protected Button createButton( Composite parent,
int id,
String label,
boolean defaultButton ) {
Button btn = super.createButton(parent, id, label, defaultButton);
if (id == IDialogConstants.OK_ID) {
// disable OK button initially
this.btnOk = btn;
btn.setEnabled(false);
}
return btn;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.jface.dialogs.MessageDialog#createCustomArea(org.eclipse.swt.widgets.Composite)
*/
@Override
protected Control createCustomArea( Composite parent ) {
Composite pnl = new Composite(parent, SWT.NONE);
pnl.setLayout(new GridLayout(2, false));
pnl.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
Label lblName = new Label(pnl, SWT.NONE);
lblName.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false));
lblName.setText(Util.getString(PREFIX + "lblName.text")); //$NON-NLS-1$
Text txtName = new Text(pnl, SWT.BORDER);
txtName.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
txtName.setToolTipText(Util.getString(PREFIX + "txtName.toolTip")); //$NON-NLS-1$
txtName.addModifyListener(new ModifyListener() {
/**
* {@inheritDoc}
*
* @see org.eclipse.swt.events.ModifyListener#modifyText(org.eclipse.swt.events.ModifyEvent)
*/
@Override
public void modifyText( ModifyEvent e ) {
handleNameChanged(((Text)e.widget).getText());
}
});
Label lblValue = new Label(pnl, SWT.NONE);
lblValue.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false));
lblValue.setText(Util.getString(PREFIX + "lblValue.text")); //$NON-NLS-1$
Text txtValue = new Text(pnl, SWT.BORDER);
txtValue.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
txtValue.setToolTipText(Util.getString(PREFIX + "txtValue.toolTip")); //$NON-NLS-1$
txtValue.addModifyListener(new ModifyListener() {
/**
* {@inheritDoc}
*
* @see org.eclipse.swt.events.ModifyListener#modifyText(org.eclipse.swt.events.ModifyEvent)
*/
@Override
public void modifyText( ModifyEvent e ) {
handleValueChanged(((Text)e.widget).getText());
}
});
return pnl;
}
/**
* @return the new property name (never <code>null</code>)
* @throws IllegalArgumentException if called when dialog return code is not {@link Window#OK}.
*/
public String getName() {
CoreArgCheck.isEqual(getReturnCode(), Window.OK);
return name;
}
/**
* @return the new property value (never <code>null</code>)
* @throws IllegalArgumentException if called when dialog return code is not {@link Window#OK}.
*/
public String getValue() {
CoreArgCheck.isEqual(getReturnCode(), Window.OK);
return value;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.jface.window.Window#getShellStyle()
*/
@Override
protected int getShellStyle() {
return super.getShellStyle() | SWT.RESIZE;
}
void handleNameChanged( String newName ) {
this.name = newName;
updateState();
}
void handleValueChanged( String newValue ) {
this.value = newValue.trim();
updateState();
}
private void updateState() {
// check to see if new name is valid
String msg = validateName();
// empty message means field is valid
if (StringUtilities.isEmpty(msg)) {
// if name is valid check value
msg = validateValue();
}
// update UI controls
if (StringUtilities.isEmpty(msg)) {
if (!this.btnOk.isEnabled()) {
this.btnOk.setEnabled(true);
}
if (this.imageLabel.getImage() != null) {
this.imageLabel.setImage(null);
}
this.imageLabel.setImage(getInfoImage());
msg = Util.getString(PREFIX + "message"); //$NON-NLS-1$
} else {
// value is not valid
if (this.btnOk.isEnabled()) {
this.btnOk.setEnabled(false);
}
this.imageLabel.setImage(getErrorImage());
}
this.messageLabel.setText(msg);
this.messageLabel.pack();
}
private String validateName() {
String errorMsg = validateName(this.name);
if (errorMsg == null) {
// make sure property ID doesn't already exist
for (String existingName : this.existingNames) {
if (existingName.equals(this.name)) {
errorMsg = Util.getString(PREFIX + "customPropertyAlreadyExists", this.name); //$NON-NLS-1$
break;
}
}
}
return errorMsg;
}
private String validateValue() {
return validateValue(this.value);
}
/**
* @param proposedName the proposed property name
* @return an error message or <code>null</code> if name is valid
*/
public static String validateName( String proposedName ) {
// must have a name
if (StringUtilities.isEmpty(proposedName)) {
return Util.getString(PREFIX + "emptyPropertyName"); //$NON-NLS-1$
}
// make sure only letters
for (char c : proposedName.toCharArray()) {
if ( ! isValidChar(c)) {
return Util.getString(PREFIX + "invalidPropertyName"); //$NON-NLS-1$
}
}
// valid name
return null;
}
private static boolean isValidChar(char c) {
if((Character.isLetter(c) || Character.isDigit(c)) || c == '-') return true;
return false;
}
/**
* @param proposedValue the proposed value
* @return an error message or <code>null</code> if value is valid
*/
public static String validateValue( String proposedValue ) {
// must have a value
if (StringUtilities.isEmpty(proposedValue)) {
return Util.getString(PREFIX + "emptyPropertyValue"); //$NON-NLS-1$
}
// valid
return null;
}
}