com.googlecode.osde.internal.editors.pref.AddUserPrefDialog.java Source code

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Here is the source code for com.googlecode.osde.internal.editors.pref.AddUserPrefDialog.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.editors.pref;

import com.googlecode.osde.internal.editors.pref.UserPrefModel.DataType;

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.Combo;
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 AddUserPrefDialog extends TitleAreaDialog {

    private Text nameText;
    private Text displayNameText;
    private Combo dataTypeCombo;

    private String name;
    private String displayName;
    private DataType dataType;

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

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

    private boolean validate() {
        String id = nameText.getText();
        if (StringUtils.isEmpty(id)) {
            setMessage("Please fill the name 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 UserPref");
        setMessage("Please input name and select Data type.");
        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("Name:");
        nameText = new Text(panel, SWT.BORDER);
        layoutData = new GridData(GridData.FILL_HORIZONTAL);
        nameText.setLayoutData(layoutData);
        nameText.addModifyListener(modifyListener);
        //
        label = new Label(panel, SWT.NONE);
        label.setText("Display name:");
        displayNameText = new Text(panel, SWT.BORDER);
        layoutData = new GridData(GridData.FILL_HORIZONTAL);
        displayNameText.setLayoutData(layoutData);
        displayNameText.addModifyListener(modifyListener);
        //
        label = new Label(panel, SWT.NONE);
        label.setText("Data type:");
        dataTypeCombo = new Combo(panel, SWT.READ_ONLY);
        layoutData = new GridData(GridData.FILL_HORIZONTAL);
        dataTypeCombo.setLayoutData(layoutData);
        DataType[] values = DataType.values();
        for (DataType dataType : values) {
            dataTypeCombo.add(dataType.getDisplayName());
            dataTypeCombo.setData(dataType.getDisplayName(), dataType);
        }
        dataTypeCombo.select(0);
        //
        return composite;
    }

    @Override
    protected void okPressed() {
        name = nameText.getText();
        displayName = displayNameText.getText();
        dataType = (DataType) dataTypeCombo.getData(dataTypeCombo.getText());
        setReturnCode(OK);
        close();
    }

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

    public String getName() {
        return name;
    }

    public String getDisplayName() {
        return displayName;
    }

    public DataType getDataType() {
        return dataType;
    }

}