com.centurylink.mdw.plugin.designer.dialogs.SetVersionDialog.java Source code

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Here is the source code for com.centurylink.mdw.plugin.designer.dialogs.SetVersionDialog.java

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/*
 * Copyright (C) 2017 CenturyLink, Inc.
 *
 * Licensed 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.centurylink.mdw.plugin.designer.dialogs;

import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.TrayDialog;
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.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 com.centurylink.mdw.plugin.designer.model.Versionable;

public class SetVersionDialog extends TrayDialog {
    private Text newVersionTextField;
    private Versionable versionable;

    private int newVersion;

    public int getNewVersion() {
        return newVersion;
    }

    private String title;

    public String getTitle() {
        return title;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public SetVersionDialog(Shell shell, Versionable versionable) {
        super(shell);
        this.title = "Set " + versionable.getTitle() + " Version";
        this.versionable = versionable;
    }

    @Override
    protected Control createDialogArea(Composite parent) {
        Composite composite = (Composite) super.createDialogArea(parent);
        composite.getShell().setText(title);

        new Label(composite, SWT.NONE).setText("New Version:");
        newVersionTextField = new Text(composite, SWT.BORDER | SWT.SINGLE);
        GridData gd = new GridData(SWT.LEFT);
        gd.widthHint = 200;
        newVersionTextField.setLayoutData(gd);
        newVersionTextField.setText(versionable.getVersionString());
        newVersionTextField.addModifyListener(new ModifyListener() {
            public void modifyText(ModifyEvent e) {
                String verStr = newVersionTextField.getText().trim();
                if (verStr.length() == 0) {
                    getWarningTray().close();
                    getButton(IDialogConstants.OK_ID).setEnabled(false);
                    return;
                }

                try {
                    int ver = versionable.parseVersion(verStr);
                    if (ver <= versionable.getVersion()) {
                        getButton(IDialogConstants.OK_ID).setEnabled(false);
                        WarningTray tray = getWarningTray();
                        tray.setMessage("Must be greater than current version: " + versionable.getVersionString());
                        tray.open();
                    } else {
                        newVersion = ver;
                        getWarningTray().close();
                        getButton(IDialogConstants.OK_ID).setEnabled(true);
                    }
                } catch (NumberFormatException ex) {
                    getButton(IDialogConstants.OK_ID).setEnabled(false);
                    WarningTray tray = getWarningTray();
                    tray.setMessage("Invalid format: " + ex.getMessage());
                    tray.open();
                }
            }
        });

        return composite;
    }

    private WarningTray warningTray;

    public WarningTray getWarningTray() {
        if (warningTray == null)
            warningTray = new WarningTray(this);
        return warningTray;
    }
}