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/*
* IzPack - Copyright 2001-2013 Julien Ponge, All Rights Reserved.
*
* http://izpack.org/
* http://izpack.codehaus.org/
*
* Copyright 2012-2013 Tim Anderson
*
* 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.izforge.izpack.installer.console;
import java.io.PrintWriter;
import com.izforge.izpack.api.adaptator.IXMLElement;
import com.izforge.izpack.api.data.InstallData;
import com.izforge.izpack.api.data.Panel;
import com.izforge.izpack.installer.panel.PanelView;
import com.izforge.izpack.util.Console;
/**
* Abstract implementation of the {@link ConsolePanel} interface.
*
* @author Tim Anderson
*/
public abstract class AbstractConsolePanel implements ConsolePanel
{
/**
* The the parent panel/view. May be {@code null}
*/
private final PanelView panel;
/**
* Constructs an {@code AbstractConsolePanel}.
*
* @param panel the parent panel/view. May be {@code null}
*/
public AbstractConsolePanel(PanelView panel)
{
this.panel = panel;
}
/**
* Generates a properties file for each input field or variable.
*
* This implementation is a no-op.
*
* @param installData the installation data
* @param printWriter the properties file to write to
* @return {@code true}
*/
@Override
public boolean generateProperties(InstallData installData, PrintWriter printWriter)
{
return true;
}
/**
* Prompts to end the console panel.
*
* If the panel is valid, this displays a prompt to continue, quit, or redisplay. On redisplay,
* it invokes {@link #run(InstallData, Console)}.
* If the panel is invalid, this invokes {@link #promptRerunPanel(InstallData, Console)}.
*
* @param installData the installation date
* @param console the console to use
* @return {@code true} to continue, {@code false} to quit. If redisplaying the panel, the result of
* {@link #run(InstallData, Console)} is returned
*/
protected boolean promptEndPanel(InstallData installData, Console console)
{
boolean result;
String prompt = installData.getMessages().get("ConsoleInstaller.continueQuitRedisplay");
console.println();
int value = console.prompt(prompt, 1, 3, 2);
result = value == 1 || value != 2 && run(installData, console);
return result;
}
/**
* Prompts to re-run the panel or quit.
*
* This displays a prompt to redisplay the panel or quit. On redisplay, it invokes
* {@link #run(InstallData, Console)}.
*
* @param installData the installation date
* @param console the console to use
* @return {@code true} to re-display, {@code false} to quit. If redisplaying the panel, the result of
* {@link #run(InstallData, Console)} is returned
*/
protected boolean promptRerunPanel(InstallData installData, Console console)
{
boolean result;
String prompt = installData.getMessages().get("ConsoleInstaller.redisplayQuit");
console.println();
int value = console.prompt(prompt, 1, 2, 2);
result = value != 2 && run(installData, console);
return result;
}
/**
* Returns the panel.
*
* @return the panel, or {@code null} if no panel/view was supplied at construction
*/
protected Panel getPanel()
{
return (panel != null) ? panel.getPanel() : null;
}
public void createInstallationRecord(IXMLElement rootElement)
{
// Default method, override to record panel contents
};
}
