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/*******************************************************************************
* Copyright (c) 2010, SAP AG.
* 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:
* Mathias Kinzler (SAP AG) - initial implementation
*******************************************************************************/
package org.eclipse.egit.ui.internal.preferences;
import java.util.StringTokenizer;
import org.eclipse.egit.ui.UIText;
import org.eclipse.jface.dialogs.TitleAreaDialog;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jgit.lib.Config;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.layout.GridLayout;
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;
/**
* Requests a key and value for adding a configuration entry
*/
public class AddConfigEntryDialog extends TitleAreaDialog {
private Text keyText;
private Text valueText;
private String key;
private String value;
private final Config currentConfig;
private final String suggestedKey;
/**
* @param parentShell
* @param config
* the configuration
* @param suggestedKey
* may be null
*/
public AddConfigEntryDialog(Shell parentShell, Config config,
String suggestedKey) {
super(parentShell);
setHelpAvailable(false);
currentConfig = config;
this.suggestedKey = suggestedKey;
}
@Override
protected Control createDialogArea(Composite parent) {
getShell().setText(UIText.AddConfigEntryDialog_AddConfigTitle);
setTitle(UIText.AddConfigEntryDialog_AddConfigTitle);
setMessage(UIText.AddConfigEntryDialog_DialogMessage);
Composite titleParent = (Composite) super.createDialogArea(parent);
Composite main = new Composite(titleParent, SWT.NONE);
main.setLayout(new GridLayout(2, false));
GridDataFactory.fillDefaults().grab(true, true).applyTo(main);
Label keylLabel = new Label(main, SWT.NONE);
keylLabel.setText(UIText.AddConfigEntryDialog_KeyLabel);
keylLabel.setToolTipText(UIText.AddConfigEntryDialog_ConfigKeyTooltip);
keyText = new Text(main, SWT.BORDER);
if (suggestedKey != null) {
keyText.setText(suggestedKey);
keyText.selectAll();
}
keyText.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
check();
}
});
GridDataFactory.fillDefaults().grab(true, false).applyTo(keyText);
new Label(main, SWT.NONE)
.setText(UIText.AddConfigEntryDialog_ValueLabel);
valueText = new Text(main, SWT.BORDER);
valueText.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
check();
}
});
GridDataFactory.fillDefaults().grab(true, false).applyTo(valueText);
applyDialogFont(main);
return main;
}
@Override
public void create() {
super.create();
// we need to enter something
getButton(OK).setEnabled(false);
}
private void check() {
setErrorMessage(null);
boolean hasError = false;
try {
if (keyText.getText().length() == 0) {
setErrorMessage(UIText.AddConfigEntryDialog_MustEnterKeyMessage);
hasError = true;
return;
}
StringTokenizer st = new StringTokenizer(keyText.getText(), "."); //$NON-NLS-1$
if (st.countTokens() < 2 || st.countTokens() > 3) {
setErrorMessage(UIText.AddConfigEntryDialog_KeyComponentsMessage);
hasError = true;
return;
}
boolean exists = false;
if (st.countTokens() == 2)
exists = currentConfig.getString(st.nextToken(), null, st
.nextToken()) != null;
if (st.countTokens() == 3)
exists = currentConfig.getString(st.nextToken(),
st.nextToken(), st.nextToken()) != null;
if (exists) {
setErrorMessage(NLS.bind(
UIText.AddConfigEntryDialog_EntryExistsMessage, keyText
.getText()));
hasError = true;
return;
}
if (valueText.getText().length() == 0) {
setErrorMessage(UIText.AddConfigEntryDialog_EnterValueMessage);
hasError = true;
return;
}
} finally {
getButton(OK).setEnabled(!hasError);
}
}
@Override
protected void okPressed() {
key = keyText.getText();
value = valueText.getText();
super.okPressed();
}
/**
* @return the key as entered by the user
*/
public String getKey() {
return key;
}
/**
* @return the value as entered by the user
*/
public String getValue() {
return value;
}
}
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