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/*******************************************************************************
* Copyright (c) 2000, 2009 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.internal.webapp.data;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtensionRegistry;
import org.eclipse.core.runtime.Platform;
import org.eclipse.help.internal.webapp.HelpWebappPlugin;
import org.eclipse.help.webapp.AbstractButton;
/**
* Control for a toolbar.
*/
public class ToolbarData extends RequestData {
private static final String BUTTON_EXTENSION_POINT = "org.eclipse.help.webapp.toolbarButton"; //$NON-NLS-1$
private ToolbarButton[] buttons;
private String[] scriptFiles;
public ToolbarData(ServletContext context, HttpServletRequest request,
HttpServletResponse response) {
super(context, request, response);
loadButtons();
}
/*
* Returns whether or not this toolbar has a menu button (has an arrow with drop
* down menu).
*/
public boolean hasMenu() {
for (int i=0;i<buttons.length;++i) {
if ("menu".equals(buttons[i].getAction())) { //$NON-NLS-1$
return true;
}
}
return false;
}
private void loadButtons() {
String[] names = request.getParameterValues("name"); //$NON-NLS-1$
String[] tooltips = request.getParameterValues("tooltip"); //$NON-NLS-1$
String[] images = request.getParameterValues("image"); //$NON-NLS-1$
String[] actions = request.getParameterValues("action"); //$NON-NLS-1$
String[] params = request.getParameterValues("param"); //$NON-NLS-1$
String[] states = request.getParameterValues("state"); //$NON-NLS-1$
if (names == null || tooltips == null || images == null
|| actions == null || params == null || states == null
|| names.length != tooltips.length
|| names.length != images.length
|| names.length != actions.length
|| names.length != params.length
|| names.length != states.length) {
buttons = new ToolbarButton[0];
scriptFiles = new String[0];
return;
}
List buttonList = new ArrayList();
for (int i = 0; i < names.length; i++) {
if ("".equals(names[i])) //$NON-NLS-1$
buttonList.add(new ToolbarButton());
else
buttonList.add(new ToolbarButton(names[i], ServletResources
.getString(tooltips[i], request), preferences
.getImagesDirectory()
+ "/e_" + images[i], //$NON-NLS-1$
actions[i], params[i], states[i]));
}
addExtensionButtons(buttonList);
// add implicit maximize/restore button on all toolbars
if (isIE() || isMozilla()
&& "1.2.1".compareTo(getMozillaVersion()) <= 0 //$NON-NLS-1$
|| (isSafari() && "120".compareTo(getSafariVersion()) <= 0)) { //$NON-NLS-1$
buttonList.add(new ToolbarButton("maximize_restore", //$NON-NLS-1$
getMaximizeTooltip(), preferences.getImagesDirectory()
+ "/" + "maximize.gif", //$NON-NLS-1$ //$NON-NLS-2$
"restore_maximize", null, "off")); //$NON-NLS-1$ //$NON-NLS-2$
}
buttons = (ToolbarButton[]) buttonList
.toArray(new ToolbarButton[buttonList.size()]);
}
private void addExtensionButtons(List buttonList) {
IExtensionRegistry registry = Platform.getExtensionRegistry();
IConfigurationElement[] elements = registry
.getConfigurationElementsFor(BUTTON_EXTENSION_POINT);
List extensionButtons = new ArrayList();
List scripts = new ArrayList();
for (int i = 0; i < elements.length; i++) {
Object obj = null;
try {
obj = elements[i].createExecutableExtension("class"); //$NON-NLS-1$
} catch (CoreException e) {
HelpWebappPlugin.logError("Create extension failed:[" //$NON-NLS-1$
+ BUTTON_EXTENSION_POINT + "].", e); //$NON-NLS-1$
}
if (obj instanceof AbstractButton) {
AbstractButton button = (AbstractButton) obj;
String toolbarName = request.getParameter("view"); //$NON-NLS-1$
if (toolbarName == null)
{
toolbarName = request.getParameter("toolbar"); //$NON-NLS-1$
}
if (button.isAddedToToolbar(toolbarName)) {
extensionButtons.add(button);
}
}
}
Collections.sort(extensionButtons);
for (Iterator iter = extensionButtons.iterator(); iter.hasNext();) {
AbstractButton button = (AbstractButton) iter.next();
String scriptFile = button.getJavaScriptURL();
if (scriptFile != null) {
scripts.add(UrlUtil.getRelativePath(request, scriptFile));
}
ToolbarButton toolButton = new ToolbarButton(button.getId(),
button.getTooltip(UrlUtil.getLocaleObj(request, response)),
request.getContextPath() + button.getImageURL(),
button.getAction(),
"", //$NON-NLS-1$
button.getState());
buttonList.add(toolButton);
}
scriptFiles = (String[]) scripts.toArray(new String[scripts.size()]);
}
public ToolbarButton[] getButtons() {
return buttons;
}
public String getName() {
if (request.getParameter("view") == null) //$NON-NLS-1$
return ""; //$NON-NLS-1$
return request.getParameter("view"); //$NON-NLS-1$
}
public String getTitle() {
if (request.getParameter("view") == null) //$NON-NLS-1$
return ""; //$NON-NLS-1$
return ServletResources.getString(request.getParameter("view"), //$NON-NLS-1$
request);
}
public String getScript() {
return request.getParameter("script"); //$NON-NLS-1$
}
public String getMaximizeImage() {
return preferences.getImagesDirectory() + "/e_maximize.gif"; //$NON-NLS-1$
}
public String getRestoreImage() {
return preferences.getImagesDirectory() + "/e_restore.gif"; //$NON-NLS-1$
}
public String getMaximizeTooltip() {
return ServletResources.getString("maximize", request); //$NON-NLS-1$
}
public String getRestoreTooltip() {
return ServletResources.getString("restore", request); //$NON-NLS-1$
}
public String[] getScriptFiles() {
return scriptFiles;
}
}
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