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/*******************************************************************************
* Copyright (c) 2003, 2005 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.wst.server.ui.internal.editor;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtensionDelta;
import org.eclipse.core.runtime.IExtensionRegistry;
import org.eclipse.core.runtime.Platform;
import org.eclipse.wst.server.ui.internal.ServerUIPlugin;
import org.eclipse.wst.server.ui.internal.Trace;
/**
*
*/
public class ServerEditorCore {
// cached copy of all editor factories and actions
private static List editorPageFactories;
private static List editorPageSectionFactories;
private static List editorActionFactories;
/**
* Returns a List of all editor page factories
*
* @return java.util.List
*/
public static List getServerEditorPageFactories() {
if (editorPageFactories == null)
loadEditorPageFactories();
return editorPageFactories;
}
/**
* Returns a List of all editor page section factories
*
* @return java.util.List
*/
public static List getServerEditorPageSectionFactories() {
if (editorPageSectionFactories == null)
loadEditorPageSectionFactories();
return editorPageSectionFactories;
}
/**
* Load the editor page factory extension point.
*/
private static void loadEditorPageFactories() {
Trace.trace(Trace.CONFIG, "->- Loading .editorPages extension point ->-");
IExtensionRegistry registry = Platform.getExtensionRegistry();
IConfigurationElement[] cf = registry.getConfigurationElementsFor(ServerUIPlugin.PLUGIN_ID, ServerUIPlugin.EXTENSION_EDITOR_PAGES);
editorPageFactories = new ArrayList(cf.length);
loadEditorPageFactories(cf);
ServerUIPlugin.addRegistryListener();
Trace.trace(Trace.CONFIG, "-<- Done loading .editorPages extension point -<-");
}
/**
* Load the editor page factory extension point.
*/
private static void loadEditorPageFactories(IConfigurationElement[] cf) {
int size = cf.length;
for (int i = 0; i < size; i++) {
try {
editorPageFactories.add(new ServerEditorPartFactory(cf[i]));
Trace.trace(Trace.CONFIG, " Loaded editorPage: " + cf[i].getAttribute("id"));
} catch (Throwable t) {
Trace.trace(Trace.SEVERE, " Could not load editorPage: " + cf[i].getAttribute("id"), t);
}
}
// sort pages
sortOrderedList(editorPageFactories);
}
public static void handleEditorPageFactoriesDelta(IExtensionDelta delta) {
if (editorPageFactories == null) // not loaded yet
return;
IConfigurationElement[] cf = delta.getExtension().getConfigurationElements();
if (delta.getKind() == IExtensionDelta.ADDED)
loadEditorPageFactories(cf);
else {
int size = editorPageFactories.size();
ServerEditorPartFactory[] sepf = new ServerEditorPartFactory[size];
editorPageFactories.toArray(sepf);
int size2 = cf.length;
for (int i = 0; i < size; i++) {
for (int j = 0; j < size2; j++) {
if (sepf[i].getId().equals(cf[j].getAttribute("id"))) {
editorPageFactories.remove(sepf[i]);
}
}
}
}
}
/**
* Load the editor page section factory extension point.
*/
private static void loadEditorPageSectionFactories() {
Trace.trace(Trace.CONFIG, "->- Loading .editorPageSections extension point ->-");
IExtensionRegistry registry = Platform.getExtensionRegistry();
IConfigurationElement[] cf = registry.getConfigurationElementsFor(ServerUIPlugin.PLUGIN_ID, ServerUIPlugin.EXTENSION_EDITOR_PAGE_SECTIONS);
editorPageSectionFactories = new ArrayList(cf.length);
loadEditorPageSectionFactories(cf);
ServerUIPlugin.addRegistryListener();
Trace.trace(Trace.CONFIG, "-<- Done loading .editorPageSections extension point -<-");
}
/**
* Load the editor page section factory extension point.
*/
private static void loadEditorPageSectionFactories(IConfigurationElement[] cf) {
int size = cf.length;
for (int i = 0; i < size; i++) {
try {
editorPageSectionFactories.add(new ServerEditorPageSectionFactory(cf[i]));
Trace.trace(Trace.CONFIG, " Loaded editorPageSection: " + cf[i].getAttribute("id"));
} catch (Throwable t) {
Trace.trace(Trace.SEVERE, " Could not load editorPageSection: " + cf[i].getAttribute("id"), t);
}
}
// sort sections
sortOrderedList(editorPageSectionFactories);
}
public static void handleEditorPageSectionFactoriesDelta(IExtensionDelta delta) {
if (editorPageSectionFactories == null) // not loaded yet
return;
IConfigurationElement[] cf = delta.getExtension().getConfigurationElements();
if (delta.getKind() == IExtensionDelta.ADDED)
loadEditorPageSectionFactories(cf);
else {
int size = editorPageSectionFactories.size();
ServerEditorPageSectionFactory[] seps = new ServerEditorPageSectionFactory[size];
editorPageSectionFactories.toArray(seps);
int size2 = cf.length;
for (int i = 0; i < size; i++) {
for (int j = 0; j < size2; j++) {
if (seps[i].getId().equals(cf[j].getAttribute("id"))) {
editorPageSectionFactories.remove(seps[i]);
}
}
}
}
}
/**
* Returns a List of all editor action factories.
*
* @return java.util.List
*/
public static List getServerEditorActionFactories() {
if (editorActionFactories == null)
loadEditorActionFactories();
return editorActionFactories;
}
/**
* Load the editor action factories extension point.
*/
private static void loadEditorActionFactories() {
Trace.trace(Trace.CONFIG, "->- Loading .editorActions extension point ->-");
IExtensionRegistry registry = Platform.getExtensionRegistry();
IConfigurationElement[] cf = registry.getConfigurationElementsFor(ServerUIPlugin.PLUGIN_ID, "editorActions");
int size = cf.length;
editorActionFactories = new ArrayList(size);
for (int i = 0; i < size; i++) {
try {
editorActionFactories.add(new ServerEditorActionFactory(cf[i]));
Trace.trace(Trace.CONFIG, " Loaded editorAction: " + cf[i].getAttribute("id"));
} catch (Throwable t) {
Trace.trace(Trace.SEVERE, " Could not load editorAction: " + cf[i].getAttribute("id"), t);
}
}
// sort pages
sortOrderedList(editorActionFactories);
Trace.trace(Trace.CONFIG, "-<- Done loading .editorActions extension point -<-");
}
/**
* Sort the given list of IOrdered items into indexed order. This method
* modifies the original list, but returns the value for convenience.
*
* @param list java.util.List
* @return java.util.List
*/
public static List sortOrderedList(List list) {
if (list == null)
return null;
int size = list.size();
for (int i = 0; i < size - 1; i++) {
for (int j = i + 1; j < size; j++) {
IOrdered a = (IOrdered) list.get(i);
IOrdered b = (IOrdered) list.get(j);
if (a.getOrder() > b.getOrder()) {
Object temp = a;
list.set(i, b);
list.set(j, temp);
}
}
}
return list;
}
}
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