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/*******************************************************************************
* Copyright (c) 2006, 2016 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.help.ui.internal.preferences;
import java.util.List;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.preferences.IEclipsePreferences;
import org.eclipse.core.runtime.preferences.InstanceScope;
import org.eclipse.help.internal.base.HelpBasePlugin;
import org.eclipse.help.internal.base.IHelpBaseConstants;
import org.eclipse.help.internal.base.remote.DefaultPreferenceFileHandler;
import org.eclipse.help.internal.base.remote.RemoteHelp;
import org.eclipse.help.ui.internal.IHelpUIConstants;
import org.eclipse.help.ui.internal.Messages;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.ui.PlatformUI;
/**
* Preference page to set remote infocenters
*/
public class HelpContentPreferencePage extends PreferencePage implements
IWorkbenchPreferencePage {
private ICTable table;
private ICButtons buttons;
private Button searchLocalHelpOnly;
private Button searchLocalHelpFirst;
private Button searchLocalHelpLast;
private Label descLabel;
/**
* Creates the preference page
*/
public HelpContentPreferencePage() {
}
@Override
public void init(IWorkbench workbench) {
}
public ICTable getTable()
{
return table;
}
@Override
protected Control createContents(Composite parent) {
PlatformUI.getWorkbench().getHelpSystem().setHelp(parent,
IHelpUIConstants.PREF_PAGE_HELP_CONTENT);
initializeDialogUnits(parent);
descLabel = new Label(parent, SWT.NONE);
descLabel.setText(Messages.HelpContentPage_title);
Dialog.applyDialogFont(descLabel);
createSearchLocalHelpOnly(parent);
createSearchLocalHelpFirst(parent);
createSearchLocalHelpLast(parent);
/* remoteICPage = new InfocenterDisplay(this);
remoteICPage.createContents(parent);
*/
initializeTableEnablement(parent,searchLocalHelpOnly.getSelection());
return parent;
}
@Override
protected void performDefaults() {
super.performDefaults();
List<IC> ics = ICPreferences.getDefaultICs();
table.setICs(ics);
// Restore Defaults functionality here
/* HelpContentBlock currentBlock=remoteICPage.getHelpContentBlock();
currentBlock.getRemoteICviewer().getRemoteICList().removeAllRemoteICs(currentBlock.getRemoteICList());
currentBlock.getRemoteICviewer().getRemoteICList().loadDefaultPreferences();
currentBlock.restoreDefaultButtons();
*/
boolean remoteHelpOn = new DefaultPreferenceFileHandler().isRemoteHelpOn();
boolean remoteHelpPreferred = new DefaultPreferenceFileHandler().isRemoteHelpPreferred();
searchLocalHelpOnly.setSelection(!remoteHelpOn);
searchLocalHelpFirst.setSelection(remoteHelpOn && !remoteHelpPreferred);
searchLocalHelpLast.setSelection(remoteHelpOn && remoteHelpPreferred);
changeListener.handleEvent(null);
}
@Override
public boolean performOk() {
IEclipsePreferences prefs = InstanceScope.INSTANCE.getNode(HelpBasePlugin.PLUGIN_ID);
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.preference.PreferencePage#performOk()
*/
prefs.putBoolean(IHelpBaseConstants.P_KEY_REMOTE_HELP_ON, !(searchLocalHelpOnly.getSelection()));
prefs.putBoolean(IHelpBaseConstants.P_KEY_REMOTE_HELP_PREFERRED, searchLocalHelpLast.getSelection());
List<IC> ics = table.getICs();
ICPreferences.setICs(ics);
RemoteHelp.notifyPreferenceChange();
return super.performOk();
}
@Override
protected GridData setButtonLayoutData(Button button) {
return super.setButtonLayoutData(button);
}
private void createSearchLocalHelpOnly(Composite parent) {
searchLocalHelpOnly = new Button(parent, SWT.RADIO);
searchLocalHelpOnly.setText(Messages.SearchEmbeddedHelpOnly);
searchLocalHelpOnly.addListener(SWT.Selection, changeListener);
boolean isRemoteOn = Platform.getPreferencesService().getBoolean
(HelpBasePlugin.PLUGIN_ID, IHelpBaseConstants.P_KEY_REMOTE_HELP_ON, false, null);
searchLocalHelpOnly.setSelection(!isRemoteOn);
Dialog.applyDialogFont(searchLocalHelpOnly);
}
private void createSearchLocalHelpFirst(Composite parent) {
searchLocalHelpFirst = new Button(parent, SWT.RADIO);
searchLocalHelpFirst.setText(Messages.SearchEmbeddedHelpFirst);
searchLocalHelpFirst.addListener(SWT.Selection, changeListener);
boolean isRemoteOn = Platform.getPreferencesService().getBoolean
(HelpBasePlugin.PLUGIN_ID, IHelpBaseConstants.P_KEY_REMOTE_HELP_ON, false, null);
boolean isRemotePreferred = Platform.getPreferencesService().getBoolean
(HelpBasePlugin.PLUGIN_ID, IHelpBaseConstants.P_KEY_REMOTE_HELP_PREFERRED, false, null);
searchLocalHelpFirst.setSelection(isRemoteOn && !isRemotePreferred);
Dialog.applyDialogFont(searchLocalHelpFirst);
}
private void createSearchLocalHelpLast(Composite parent) {
searchLocalHelpLast = new Button(parent, SWT.RADIO);
searchLocalHelpLast.setText(Messages.SearchEmbeddedHelpLast);
searchLocalHelpLast.addListener(SWT.Selection, changeListener);
boolean isRemoteOn = Platform.getPreferencesService().getBoolean
(HelpBasePlugin.PLUGIN_ID, IHelpBaseConstants.P_KEY_REMOTE_HELP_ON, false, null);
boolean isRemotePreferred = Platform.getPreferencesService().getBoolean
(HelpBasePlugin.PLUGIN_ID, IHelpBaseConstants.P_KEY_REMOTE_HELP_PREFERRED, false, null);
searchLocalHelpLast.setSelection(isRemoteOn && isRemotePreferred);
Dialog.applyDialogFont(searchLocalHelpLast);
}
/*
* Initialize the table enablement with the current checkbox selection
*/
private void initializeTableEnablement(Composite parent, boolean isRemoteHelpDisabled)
{
Composite top = new Composite(parent, SWT.NONE);
GridLayout layout = new GridLayout();
layout.numColumns = 2;
layout.marginHeight = 2;
layout.marginWidth = 2;
top.setLayout(layout);
top.setLayoutData(new GridData(GridData.FILL_BOTH));
table = new ICTable(top);
buttons = new ICButtons(top,this);
changeListener.handleEvent(null);
}
/*
* Listens for any change in the UI and checks for valid input and correct
* enablement.
*/
private Listener changeListener = event -> {
boolean isRemoteHelpEnabled = !(searchLocalHelpOnly.getSelection());
// Disable/Enable table
table.getTable().setEnabled(isRemoteHelpEnabled);
buttons.setEnabled(isRemoteHelpEnabled);
};
}
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