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https://github.com/eclipse-cdt/cdt
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[api] Needs possibility to register newWizardConnectionDelegate with dynamically contributed system types
This commit is contained in:
Uwe Stieber
parent
ab3919c38a
commit
b1bc678b8a
1 changed files with 89 additions and 102 deletions
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@ -1,5 +1,5 @@
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/********************************************************************************
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* Copyright (c) 2000, 2006 IBM Corporation and Symbian Software Ltd. All rights reserved.
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* Copyright (c) 2000, 2006 IBM Corporation and others. All rights reserved.
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* This program and the accompanying materials are made available under the terms
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* of the Eclipse Public License v1.0 which accompanies this distribution, and is
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* available at http://www.eclipse.org/legal/epl-v10.html
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@ -12,18 +12,20 @@
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*
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* Contributors:
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* Javier Montalvo Orús (Symbian) - Bug 158555 - newConnectionWizardDelegates can only be used once
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* Uwe Stieber (Wind River) - Support newConnectionWizardDelegates registration with dynamically registered system types
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********************************************************************************/
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package org.eclipse.rse.ui.wizards;
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import java.util.HashMap;
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import java.util.Map;
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import org.eclipse.core.runtime.CoreException;
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import org.eclipse.core.runtime.IConfigurationElement;
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import org.eclipse.core.runtime.IExtensionRegistry;
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import org.eclipse.core.runtime.Platform;
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import org.eclipse.jface.wizard.IWizardPage;
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import org.eclipse.rse.core.IRSESystemType;
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import org.eclipse.rse.core.RSECorePlugin;
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import org.eclipse.rse.core.SystemBasePlugin;
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import org.eclipse.rse.ui.ISystemIconConstants;
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import org.eclipse.rse.ui.RSEUIPlugin;
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@ -33,13 +35,14 @@ import org.eclipse.rse.ui.SystemResources;
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* The New Connection wizard. This wizard allows users to create new RSE connections.
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*/
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public class RSENewConnectionWizard extends AbstractSystemWizard implements IRSENewConnectionWizard {
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private final Map wizardDelegates = new HashMap();
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private IRSENewConnectionWizardDelegate currentWizardDelegate;
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private HashMap map;
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//private IRSESystemType systemType;
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private IRSENewConnectionWizardDelegate delegate;
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private RSENewConnectionWizardMainPage mainPage;
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private IRSESystemType[] restrictedSystemTypes;
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private boolean onlySystemType;
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private IRSENewConnectionWizardDelegate defaultDelegate;
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private boolean defaultDelegateCreated;
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@ -50,10 +53,10 @@ public class RSENewConnectionWizard extends AbstractSystemWizard implements IRSE
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super(SystemResources.RESID_NEWCONN_TITLE, RSEUIPlugin.getDefault().getImageDescriptor(ISystemIconConstants.ICON_SYSTEM_NEWCONNECTIONWIZARD_ID));
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readWizardDelegateExtensions();
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setForcePreviousAndNextButtons(true);
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setNeedsProgressMonitor(true);
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setNeedsProgressMonitor(true);
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}
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/**
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/* (non-Javadoc)
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* @see org.eclipse.rse.ui.wizards.IRSENewConnectionWizard#restrictToSystemType(org.eclipse.rse.core.IRSESystemType)
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*/
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public void restrictToSystemType(IRSESystemType systemType) {
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@ -62,198 +65,183 @@ public class RSENewConnectionWizard extends AbstractSystemWizard implements IRSE
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restrictToSystemTypes(types);
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}
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/**
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/* (non-Javadoc)
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* @see org.eclipse.rse.ui.wizards.IRSENewConnectionWizard#restrictToSystemTypes(org.eclipse.rse.core.IRSESystemType[])
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*/
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public void restrictToSystemTypes(IRSESystemType[] systemTypes) {
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this.restrictedSystemTypes = systemTypes;
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if (systemTypes.length == 1) {
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this.onlySystemType = true;
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}
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else {
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} else {
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this.onlySystemType = false;
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}
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}
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/**
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/* (non-Javadoc)
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* @see org.eclipse.rse.ui.wizards.IRSENewConnectionWizard#setSelectedSystemType(org.eclipse.rse.core.IRSESystemType)
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*/
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public void setSelectedSystemType(IRSESystemType systemType) {
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//this.systemType = systemType;
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setDelegate(systemType);
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}
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/**
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*
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* Reads the newConnectionWizardDelegates extension point
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*/
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private void readWizardDelegateExtensions() {
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IExtensionRegistry registry = Platform.getExtensionRegistry();
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IConfigurationElement[] elements = registry.getConfigurationElementsFor(NEW_CONNECTION_WIZARD_DELEGATE_EXTENSION_POINT_ID);
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assert wizardDelegates != null;
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wizardDelegates.clear();
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IConfigurationElement[] elements = Platform.getExtensionRegistry().getConfigurationElementsFor(NEW_CONNECTION_WIZARD_DELEGATE_EXTENSION_POINT_ID);
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for (int i = 0; i < elements.length; i++) {
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IConfigurationElement element = elements[i];
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if (element.getName().equals(NEW_CONNECTION_WIZARD_DELEGATE_EXTENSION_CONFIG_NAME)) {
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String systemTypeID = element.getAttribute(NEW_CONNECTION_WIZARD_DELEGATE_EXTENSION_CONFIG_ATTRIBUTE_SYSTEMTYPE);
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Object obj = null;
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try {
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obj = element.createExecutableExtension(NEW_CONNECTION_WIZARD_DELEGATE_EXTENSION_CONFIG_ATTRIBUTE_CLASS);
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if (obj instanceof IRSENewConnectionWizardDelegate) {
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String systemTypeId = element.getAttribute(NEW_CONNECTION_WIZARD_DELEGATE_EXTENSION_CONFIG_ATTRIBUTE_SYSTEMTYPE);
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if (map == null) {
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map = new HashMap();
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// if the systemTypeId is null or empty, ask the system types if they accept the newConnectionWizardDelegate
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if (systemTypeId != null && !"".equals(systemTypeId.trim())) { //$NON-NLS-1$
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if (!wizardDelegates.containsKey(systemTypeId)) wizardDelegates.put(systemTypeId, obj);
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} else {
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IRSESystemType[] systemTypes = RSECorePlugin.getDefault().getRegistry().getSystemTypes();
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for (int j = 0; j < systemTypes.length; j++) {
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IRSESystemType systemType = systemTypes[j];
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if (systemType.acceptNewConnectionWizardDelegate(element.getDeclaringExtension().getUniqueIdentifier())
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&& !wizardDelegates.containsKey(systemType.getId())) {
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wizardDelegates.put(systemType.getId(), obj);
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}
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}
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}
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if (!map.containsKey(systemTypeID)) {
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map.put(systemTypeID, obj);
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}
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}
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else {
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} else {
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continue;
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}
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}
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catch (CoreException e) {
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} catch (CoreException e) {
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SystemBasePlugin.logError("Class " + obj + " is not executable extension", e); //$NON-NLS-1$ //$NON-NLS-2$
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continue;
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}
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}
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}
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}
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/**
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* Get the new connection wizard delegate for the system type.
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* @param systemType the system type for which we need the delegate.
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*/
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private IRSENewConnectionWizardDelegate setDelegate(IRSESystemType systemType) {
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if (map != null) {
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delegate = (IRSENewConnectionWizardDelegate)(map.get(systemType.getId()));
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}
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if (delegate == null) {
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currentWizardDelegate = (IRSENewConnectionWizardDelegate)(wizardDelegates.get(systemType.getId()));
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// For system types where we don't have a registered wizard delegate, use the default
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// wizard delegate implementation.
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if (currentWizardDelegate == null) {
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if (!defaultDelegateCreated) {
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defaultDelegate = new RSEDefaultNewConnectionWizardDelegate();
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defaultDelegateCreated = true;
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}
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delegate = defaultDelegate;
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currentWizardDelegate = defaultDelegate;
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}
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// initialize with wizard and system type if not initialized before
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if (!delegate.isInitialized()) {
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delegate.init(this, systemType);
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if (!currentWizardDelegate.isInitialized()) {
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currentWizardDelegate.init(this, systemType);
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} else {
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currentWizardDelegate.systemTypeChanged(systemType);
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}
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else {
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delegate.systemTypeChanged(systemType);
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}
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return delegate;
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return currentWizardDelegate;
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}
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/**
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/* (non-Javadoc)
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* @see org.eclipse.rse.ui.wizards.IRSENewConnectionWizard#getDelegate()
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*/
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public IRSENewConnectionWizardDelegate getDelegate() {
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return delegate;
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return currentWizardDelegate;
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}
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/**
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* @see org.eclipse.jface.wizard.Wizard#addPages()
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/* (non-Javadoc)
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* @see org.eclipse.rse.ui.wizards.AbstractSystemWizard#addPages()
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*/
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public void addPages() {
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if (!onlySystemType) {
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mainPage = new RSENewConnectionWizardMainPage(this, "Select System Type", "Select a system type");
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if (restrictedSystemTypes != null) {
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mainPage.restrictToSystemTypes(restrictedSystemTypes);
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}
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addPage(mainPage);
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}
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else {
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} else {
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setDelegate(restrictedSystemTypes[0]);
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addPage(delegate.getMainPage());
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addPage(currentWizardDelegate.getMainPage());
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}
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}
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/**
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/* (non-Javadoc)
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* @see org.eclipse.jface.wizard.Wizard#canFinish()
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*/
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public boolean canFinish() {
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boolean result = true;
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if (mainPage != null) {
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result = mainPage.isPageComplete();
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}
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if (result) {
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if (delegate != null) {
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result = delegate.canFinish();
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}
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// we do not allow wizard to complete if the delegate is not yet available
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else {
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if (currentWizardDelegate != null) {
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result = currentWizardDelegate.canFinish();
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} else {
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// we do not allow wizard to complete if the delegate is not yet available
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result = false;
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}
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}
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return result;
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}
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/**
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/* (non-Javadoc)
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* @see org.eclipse.jface.wizard.Wizard#getNextPage(org.eclipse.jface.wizard.IWizardPage)
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*/
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public IWizardPage getNextPage(IWizardPage page) {
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if (mainPage != null && page == mainPage) {
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return super.getNextPage(page);
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}
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else {
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if (delegate != null) {
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IWizardPage nextPage = delegate.getNextPage(page);
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} else {
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if (currentWizardDelegate != null) {
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IWizardPage nextPage = currentWizardDelegate.getNextPage(page);
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if (nextPage == null) {
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return super.getNextPage(page);
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}
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else {
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} else {
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return nextPage;
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}
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}
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else {
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} else {
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return super.getNextPage(page);
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}
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}
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}
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/**
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/* (non-Javadoc)
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* @see org.eclipse.jface.wizard.Wizard#getPreviousPage(org.eclipse.jface.wizard.IWizardPage)
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*/
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public IWizardPage getPreviousPage(IWizardPage page) {
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if (mainPage != null && page == mainPage) {
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return super.getPreviousPage(page);
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}
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else {
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if (delegate != null) {
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IWizardPage prevPage = delegate.getPreviousPage(page);
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} else {
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if (currentWizardDelegate != null) {
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IWizardPage prevPage = currentWizardDelegate.getPreviousPage(page);
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if (prevPage == null) {
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return super.getPreviousPage(page);
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}
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else {
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} else {
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return prevPage;
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}
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}
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else {
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} else {
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return super.getPreviousPage(page);
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}
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}
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@ -263,21 +251,20 @@ public class RSENewConnectionWizard extends AbstractSystemWizard implements IRSE
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* @see org.eclipse.jface.wizard.Wizard#performFinish()
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*/
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public boolean performFinish() {
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boolean result = true;
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if (mainPage != null) {
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result = mainPage.performFinish();
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}
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if (result) {
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if (delegate != null) {
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result = delegate.performFinish();
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if (currentWizardDelegate != null) {
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result = currentWizardDelegate.performFinish();
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}
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}
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return result;
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}
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}
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