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com.izforge.izpack.panels.userinput.UserInputConsolePanel Maven / Gradle / Ivy
/*
* IzPack - Copyright 2001-2013 Julien Ponge, All Rights Reserved.
*
* http://izpack.org/
* http://izpack.codehaus.org/
*
* Copyright 2002 Jan Blok
*
* 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.panels.userinput;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Properties;
import java.util.Set;
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.api.factory.ObjectFactory;
import com.izforge.izpack.api.handler.Prompt;
import com.izforge.izpack.api.resource.Resources;
import com.izforge.izpack.api.rules.Condition;
import com.izforge.izpack.api.rules.RulesEngine;
import com.izforge.izpack.installer.console.AbstractConsolePanel;
import com.izforge.izpack.installer.console.ConsolePanel;
import com.izforge.izpack.installer.panel.PanelView;
import com.izforge.izpack.panels.userinput.console.ConsoleField;
import com.izforge.izpack.panels.userinput.console.ConsoleFieldFactory;
import com.izforge.izpack.panels.userinput.field.ElementReader;
import com.izforge.izpack.panels.userinput.field.Field;
import com.izforge.izpack.panels.userinput.field.FieldHelper;
import com.izforge.izpack.panels.userinput.field.UserInputPanelSpec;
import com.izforge.izpack.util.Console;
import com.izforge.izpack.util.PlatformModelMatcher;
/**
* The user input panel console implementation.
*
* @author Mounir El Hajj
*/
public class UserInputConsolePanel extends AbstractConsolePanel
{
private static final String DISPLAY_HIDDEN = "displayHidden";
private static final String DISPLAY_HIDDEN_CONDITION = "displayHiddenCondition";
private static final String READONLY = "readonly";
private static final String READONLY_CONDITION = "readonlyCondition";
/**
* The resources.
*/
private final Resources resources;
/**
* The factory for creating field validators.
*/
private final ObjectFactory factory;
/**
* The rules.
*/
private final RulesEngine rules;
/**
* The platform-model matcher.
*/
private final PlatformModelMatcher matcher;
/**
* The console.
*/
private final Console console;
/**
* The prompt.
*/
private final Prompt prompt;
private final Panel panel;
/**
* The fields.
*/
private List fields = new ArrayList();
private final InstallData installData;
/**
* Constructs an {@code UserInputConsolePanel}.
*
* @param resources the resources
* @param factory the object factory
* @param rules the rules
* @param matcher the platform-model matcher
* @param console the console
* @param prompt the prompt
* @param panelView the parent panel/view
* @param installData the install data
*/
public UserInputConsolePanel(Resources resources, ObjectFactory factory,
RulesEngine rules, PlatformModelMatcher matcher, Console console, Prompt prompt,
PanelView panelView, InstallData installData)
{
super(panelView);
this.installData = installData;
this.resources = resources;
this.factory = factory;
this.rules = rules;
this.matcher = matcher;
this.console = console;
this.prompt = prompt;
UserInputPanelSpec model = new UserInputPanelSpec(resources, installData, factory, matcher);
this.panel = getPanel();
IXMLElement spec = model.getPanelSpec(panel);
boolean isDisplayingHidden = false;
try
{
isDisplayingHidden = Boolean.parseBoolean(spec.getAttribute(DISPLAY_HIDDEN));
}
catch (Exception ignore)
{
isDisplayingHidden = false;
}
panel.setDisplayHidden(isDisplayingHidden);
String condition = spec.getAttribute(DISPLAY_HIDDEN_CONDITION);
if (condition != null && !condition.isEmpty())
{
panel.setDisplayHiddenCondition(condition);
}
// Prevent activating on certain global conditions
ElementReader reader = new ElementReader(model.getConfig());
Condition globalConstraint = reader.getComplexPanelCondition(spec, matcher, installData, rules);
if (globalConstraint != null)
{
rules.addPanelCondition(panel, globalConstraint);
}
boolean readonly = false;
try
{
readonly = Boolean.parseBoolean(spec.getAttribute(READONLY));
}
catch (Exception ignore)
{
readonly = false;
}
panel.setReadonly(readonly);
condition = spec.getAttribute(READONLY_CONDITION);
if (condition != null && !condition.isEmpty())
{
panel.setReadonlyCondition(condition);
}
collectInputs(installData);
}
@Override
public boolean run(InstallData installData, Properties properties)
{
for (ConsoleField field : fields)
{
String name = field.getVariable();
if (name != null)
{
String value = properties.getProperty(name);
if (value != null)
{
installData.setVariable(name, value);
}
}
}
return true;
}
@Override
public boolean generateProperties(InstallData installData, PrintWriter printWriter)
{
for (ConsoleField field : fields)
{
String name = field.getVariable();
if (name != null)
{
printWriter.println(name + "=");
}
}
return true;
}
/**
* Runs the panel using the specified console.
*
* @param installData the installation data
* @param console the console
* @return {@code true} if the panel ran successfully, otherwise {@code false}
*/
@Override
public boolean run(InstallData installData, Console console)
{
printHeadLine(installData, console);
boolean result = true;
if (fields != null && !fields.isEmpty())
{
boolean rerun = false;
Set variables = new HashSet();
for (ConsoleField field : fields)
{
Field fieldDefinition = field.getField();
boolean readonly = false;
boolean addToPanel = false;
boolean required = FieldHelper.isRequired(fieldDefinition, installData, matcher);
if (required && fieldDefinition.isConditionTrue())
{
readonly = fieldDefinition.isEffectiveReadonly(
panel.isReadonly()
|| (panel.getReadonlyCondition() != null && rules.isConditionTrue(panel.getReadonlyCondition())),
rules);
addToPanel = true;
}
else if (required
&& (
fieldDefinition.isEffectiveDisplayHidden(
panel.isDisplayHidden()
|| (panel.getDisplayHiddenCondition() != null && rules.isConditionTrue(panel.getDisplayHiddenCondition())),
rules)
)
)
{
readonly = true;
addToPanel = true;
}
else
{
readonly = true;
addToPanel = false;
}
if (addToPanel)
{
field.setReadonly(readonly);
if (!field.display())
{
// field is invalid
rerun = true;
break;
}
String var = fieldDefinition.getVariable();
if (var != null)
{
variables.add(var);
}
}
}
panel.setAffectedVariableNames(variables);
if (rerun)
{
// prompt to rerun the panel or quit
result = promptRerunPanel(installData, console);
}
else
{
result = promptEndPanel(installData, console);
}
}
return result;
}
private void collectInputs(InstallData installData)
{
UserInputPanelSpec model = new UserInputPanelSpec(resources, installData, factory, matcher);
Panel panel = getPanel();
IXMLElement spec = model.getPanelSpec(panel);
fields.clear();
ConsoleFieldFactory factory = new ConsoleFieldFactory(console, prompt);
for (Field fieldDefinition : model.createFields(spec))
{
ConsoleField consoleField = factory.create(fieldDefinition, model, spec);
fields.add(consoleField);
}
}
/**
* Creates an installation record for unattended installations on {@link UserInputPanel},
* created during GUI installations.
*/
@Override
public void createInstallationRecord(IXMLElement rootElement)
{
new UserInputPanelAutomationHelper(fields).createInstallationRecord(installData, rootElement);
}
@Override
public boolean handlePanelValidationResult(boolean valid)
{
if (!valid)
{
return promptRerunPanel(installData, console);
}
return true;
}
}
