com.googlecode.osde.internal.ui.views.appdata.AddAppDataDialog.java Source code

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Here is the source code for com.googlecode.osde.internal.ui.views.appdata.AddAppDataDialog.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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.googlecode.osde.internal.ui.views.appdata;

import org.apache.commons.lang.StringUtils;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.IMessageProvider;
import org.eclipse.jface.dialogs.TitleAreaDialog;
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.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;

public class AddAppDataDialog extends TitleAreaDialog {

    private Text keyText;
    private Text valueText;

    private String key;
    private String value;

    private ModifyListener modifyListener = new ModifyListener() {
        public void modifyText(ModifyEvent e) {
            validate();
        }
    };

    public AddAppDataDialog(Shell shell) {
        super(shell);
    }

    private boolean validate() {
        String id = keyText.getText();
        if (StringUtils.isEmpty(id)) {
            setMessage("Please fill the key field.", IMessageProvider.ERROR);
            getButton(IDialogConstants.OK_ID).setEnabled(false);
            return false;
        }
        String displayName = valueText.getText();
        if (StringUtils.isEmpty(displayName)) {
            setMessage("Please fill the value field.", IMessageProvider.ERROR);
            getButton(IDialogConstants.OK_ID).setEnabled(false);
            return false;
        }
        setMessage(null);
        getButton(IDialogConstants.OK_ID).setEnabled(true);
        return true;
    }

    @Override
    protected Control createDialogArea(Composite parent) {
        setTitle("Add new application data");
        setMessage("Please input key and value.");
        Composite composite = (Composite) super.createDialogArea(parent);
        Composite panel = new Composite(composite, SWT.NONE);
        GridLayout layout = new GridLayout();
        layout.numColumns = 2;
        panel.setLayout(layout);
        GridData layoutData = new GridData(GridData.FILL_HORIZONTAL);
        panel.setLayoutData(layoutData);
        //
        Label label = new Label(panel, SWT.NONE);
        label.setText("Key:");
        keyText = new Text(panel, SWT.BORDER);
        layoutData = new GridData(GridData.FILL_HORIZONTAL);
        keyText.setLayoutData(layoutData);
        keyText.addModifyListener(modifyListener);
        //
        label = new Label(panel, SWT.NONE);
        label.setText("Value:");
        layoutData = new GridData(GridData.VERTICAL_ALIGN_BEGINNING);
        layoutData.verticalAlignment = 5;
        label.setLayoutData(layoutData);
        valueText = new Text(panel, SWT.MULTI | SWT.BORDER);
        layoutData = new GridData(GridData.FILL_BOTH);
        layoutData.heightHint = 100;
        valueText.setLayoutData(layoutData);
        valueText.addModifyListener(modifyListener);
        //
        return composite;
    }

    @Override
    protected void okPressed() {
        key = keyText.getText();
        value = valueText.getText();
        setReturnCode(OK);
        close();
    }

    @Override
    protected void createButtonsForButtonBar(Composite parent) {
        super.createButtonsForButtonBar(parent);
        getButton(IDialogConstants.OK_ID).setEnabled(false);
    }

    public String getKey() {
        return key;
    }

    public String getValue() {
        return value;
    }

}