【发布时间】：2019-09-25 14:41:23
【问题描述】：
我正在尝试在我的 RCP 应用程序中使用 Eclipse 默认 XML 编辑器。我从
得到这段代码https://wiki.eclipse.org/FAQ_How_do_I_open_an_editor_on_something_that_is_not_a_file%3F
所以我创建了 StringStorage 和 StringInput，就像链接中提供的那样。
继续运行 面向 RCP 和 RAP 开发人员的 Eclipse IDE
版本：2019-06 (4.12.0) 内部版本号：20190614-1200
jdk1.8.0_121
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import org.eclipse.core.resources.IStorage;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
public class StringStorage implements IStorage{
private String string;
StringStorage(String input) {
this.string = input;
}
public InputStream getContents() throws CoreException {
return new ByteArrayInputStream(string.getBytes());
}
public IPath getFullPath() {
return null;
}
public Object getAdapter(Class adapter) {
return null;
}
public String getName() {
return string;
}
public boolean isReadOnly() {
return true;
}
}
import org.eclipse.core.resources.IStorage;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.IPersistableElement;
import org.eclipse.ui.IStorageEditorInput;
public class StringInput implements IStorageEditorInput {
private IStorage storage;
StringInput(IStorage storage) {this.storage = storage;}
public boolean exists() {return true;}
public ImageDescriptor getImageDescriptor() {return null;}
public String getName() {
return storage.getName();
}
public IPersistableElement getPersistable() {return null;}
public IStorage getStorage() {
return storage;
}
public String getToolTipText() {
return "String-based file: " + storage.getName();
}
public Object getAdapter(Class adapter) {
return null;
}
}
现在而不是在链接中调用编辑器 ID“org.eclipse.ui.DefaultTextEditor”。我想调用我在 plugin.xml 扩展中创建的自定义编辑器。
因为我想将控制权交给扩展 XMLMultiPageEditorPart 的类，所以我在我的应用程序中获得了“设计”和“源”选项卡类型的 XML 编辑器来显示 SCXML 文件（状态图 XML）
IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
IStorage storage = new StringStorage((String)o);
IStorageEditorInput input = new StringInput(storage);
page.openEditor(input, "org.eclipse.wst.xml.ui.internal.tabletree.XMLMultiPageEditorPart");
这是我的类扩展 XMLMultiPageEditorPart
import org.eclipse.wst.xml.ui.internal.tabletree.XMLMultiPageEditorPart;
public class MyXMLEditor extends XMLMultiPageEditorPart {
}
现在我将向您展示 plugin.xml 的一部分
<editor
contributorClass="org.eclipse.wst.xml.ui.internal.tabletree.XMLMultiPageEditorActionBarContributor"
default="true"
id="org.eclipse.wst.xml.ui.internal.tabletree.XMLMultiPageEditorPart"
name="XML_Editor.name"
symbolicFontName="org.eclipse.wst.sse.ui.textfont">
<class class="org.eclipse.wst.xml.ui.internal.tabletree.XMLMultiPageEditorPart">
<parameter name="org.eclipse.wst.sse.ui.unsupported_preferred_default" value="org.eclipse.wst.xml.core.xmlsource"/>
</class>
<contentTypeBinding
contentTypeId="org.eclipse.core.runtime.xml" />
<contentTypeBinding
contentTypeId="org.eclipse.wst.xml.core.xmlsource" />
</editor>
对于 secondcontentType，我收到此黄色警告 >> 无法找到属性“contentTypeId”中的引用标识符“org.eclipse.wst.xml.core.xmlsource”
最后这是 Manifest.mf
Manifest-Version: 1.0
Bundle-ManifestVersion: 2
Bundle-Name: V2
Bundle-SymbolicName: generic.layer.editor.v2;singleton:=true
Bundle-Version: 1.0.0.qualifier
Bundle-ClassPath: .,
./lib/apache-commons-lang.jar,
./lib/ezmorph-1.0.6.jar,
./lib/org-apache-commons-logging.jar,
./lib/org.apache.commons.collections.jar,
./lib/commons-beanutils-1.9.2.jar,
./lib/commons-collections4-4.1.jar,
./lib/javax.json-1.0.jar,
./lib/json-lib-2.4-jdk15-sources.jar,
./lib/jdom-2.0.5-contrib.jar,
./lib/jdom-2.0.5-sources.jar,
./lib/jdom-2.0.5.jar,
./lib/mockito-core-2.13.0.jar,
./lib/dtd-xercesImpl.jar,
lib/spring/spring-core-5.1.4.RELEASE.jar,
lib/spring/spring-web-3.1.3.RELEASE.jar,
lib/commons-logging-1.2.jar,
lib/gson-2.8.2.jar,
lib/javax.json-api.jar,
lib/org.eclipse.wst.sse.ui_1.6.0.v201905291408.jar,
lib/org.eclipse.wst.sse.core_1.2.100.v201901310548.jar,
lib/org.eclipse.wst.xml.ui_1.2.300.v201904272112.jar
Bundle-Activator: generic.layer.editor.v2.Activator
Import-Package: javax.xml.stream
org.eclipse.core.resources,
org.eclipse.core.runtime,
org.eclipse.emf.common.util,
org.eclipse.jface.text,
org.eclipse.jface.text.information,
org.eclipse.jface.text.source,
org.eclipse.swt.widgets,
org.eclipse.ui,
org.eclipse.ui.editors.text,
org.eclipse.ui.forms,
org.eclipse.ui.forms.editor,
org.eclipse.ui.forms.widgets,
org.eclipse.ui.ide,
org.eclipse.ui.internal.views.markers,
org.eclipse.ui.navigator,
org.eclipse.ui.navigator.resources,
org.eclipse.ui.part,
org.eclipse.ui.texteditor,
org.eclipse.ui.views.contentoutline,
org.eclipse.wst.sse.ui
Bundle-ActivationPolicy: lazy
Require-Bundle: org.eclipse.ui,
org.eclipse.core.runtime;bundle-version="3.7.0",
org.eclipse.ui.forms;bundle-version="3.5.100",
org.eclipse.zest.core,
org.eclipse.zest.layouts,
org.eclipse.osgi.services,
org.eclipse.core.resources;bundle-version="3.10.1",
org.apache.commons.io;bundle-version="2.2.0",
org.apache.commons.lang;bundle-version="2.6.0",
org.junit,
org.eclipse.compare.core;bundle-version="3.6.100",
org.eclipse.compare;bundle-version="3.7.101"
Bundle-RequiredExecutionEnvironment: JavaSE-1.8
Export-Package:
generic.layer.editor.v2.services,
org.apache.commons.collections,
org.apache.commons.collections.bag,
org.apache.commons.collections.bidimap,
org.apache.commons.collections.buffer,
org.apache.commons.collections.collection,
org.apache.commons.collections.comparators,
org.apache.commons.collections.functors,
org.apache.commons.collections.iterators,
org.apache.commons.collections.keyvalue,
org.apache.commons.collections.list,
org.apache.commons.collections.map,
org.apache.commons.collections.set,
org.apache.commons.lang,
org.apache.commons.lang.builder,
org.apache.commons.lang.enum,
org.apache.commons.lang.enums,
org.apache.commons.lang.exception,
org.apache.commons.lang.math,
org.apache.commons.lang.mutable,
org.apache.commons.lang.reflect,
org.apache.commons.lang.text,
org.apache.commons.lang.time,
org.apache.commons.logging,
org.apache.commons.logging.impl,
org.eclipse.wst.sse.core,
org.eclipse.wst.sse.ui,
org.eclipse.wst.xml.ui
Bundle-Vendor: XILO
当我尝试使用 .scxml 文件加载我的视图并期望 Eclipse XML 编辑器出现时。我在控制台上遇到错误。
!ENTRY org.eclipse.e4.ui.workbench 4 0 2019-09-26 11:21:12.102
!MESSAGE
!STACK 0
java.lang.NullPointerException
at org.eclipse.wst.xml.ui.internal.tabletree.XMLMultiPageEditorPart$PageInitializationData.sendInitializationData(XMLMultiPageEditorPart.java:328)
at org.eclipse.wst.xml.ui.internal.tabletree.XMLMultiPageEditorPart.createSourcePage(XMLMultiPageEditorPart.java:841)
at org.eclipse.wst.xml.ui.internal.tabletree.XMLMultiPageEditorPart.createPages(XMLMultiPageEditorPart.java:770)
at org.eclipse.ui.part.MultiPageEditorPart.createPartControl(MultiPageEditorPart.java:348)
at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.createPartControl(CompatibilityPart.java:151)
at org.eclipse.ui.internal.e4.compatibility.CompatibilityEditor.createPartControl(CompatibilityEditor.java:99)
at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.create(CompatibilityPart.java:355)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55)
at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:990)
at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:955)
at org.eclipse.e4.core.internal.di.InjectorImpl.inject(InjectorImpl.java:124)
at org.eclipse.e4.core.internal.di.InjectorImpl.internalMake(InjectorImpl.java:399)
at org.eclipse.e4.core.internal.di.InjectorImpl.make(InjectorImpl.java:318)
at org.eclipse.e4.core.contexts.ContextInjectionFactory.make(ContextInjectionFactory.java:162)
at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.createFromBundle(ReflectionContributionFactory.java:105)
at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.doCreate(ReflectionContributionFactory.java:74)
at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.create(ReflectionContributionFactory.java:56)
at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.createWidget(ContributedPartRenderer.java:129)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createWidget(PartRenderingEngine.java:992)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:661)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:767)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$0(PartRenderingEngine.java:738)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$2.run(PartRenderingEngine.java:732)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:716)
at org.eclipse.e4.ui.internal.workbench.PartServiceImpl$1.handleEvent(PartServiceImpl.java:104)
at org.eclipse.e4.ui.services.internal.events.UIEventHandler$1.run(UIEventHandler.java:40)
at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:233)
at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:144)
at org.eclipse.swt.widgets.Display.syncExec(Display.java:4889)
at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:212)
at org.eclipse.e4.ui.services.internal.events.UIEventHandler.handleEvent(UIEventHandler.java:36)
at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:201)
at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:197)
at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1)
at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)
at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:135)
at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:78)
at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:39)
at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:52)
at org.eclipse.e4.ui.internal.workbench.UIEventPublisher.notifyChanged(UIEventPublisher.java:60)
at org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify(BasicNotifierImpl.java:374)
at org.eclipse.e4.ui.model.application.ui.impl.ElementContainerImpl.setSelectedElement(ElementContainerImpl.java:173)
at org.eclipse.e4.ui.internal.workbench.ModelServiceImpl.showElementInWindow(ModelServiceImpl.java:620)
at org.eclipse.e4.ui.internal.workbench.ModelServiceImpl.bringToTop(ModelServiceImpl.java:584)
at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.delegateBringToTop(PartServiceImpl.java:769)
at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.bringToTop(PartServiceImpl.java:401)
at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.showPart(PartServiceImpl.java:1188)
at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:3261)
at org.eclipse.ui.internal.WorkbenchPage.access$25(WorkbenchPage.java:3176)
at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:3158)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3153)
at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3117)
at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3098)
at generic.layer.editor.v2.SCXMLView$1$1.run(SCXMLView.java:117)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:37)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:182)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4213)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3820)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1150)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1039)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:153)
at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:680)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:594)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148)
at generic.layer.editor.v2.Application.start(Application.java:21)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:388)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590)
at org.eclipse.equinox.launcher.Main.run(Main.java:1499)
at org.eclipse.equinox.launcher.Main.main(Main.java:1472)
你能指出我做错了什么吗？如果您需要更多信息，请告诉我。感谢你的帮助。谢谢
【问题讨论】：
-
XMLMultiPageEditorPart 是一个 internal 类。你试图像这样扩展它，破坏了Eclipse API Rules of Engagement。
-
@greg-449 我了解这里的风险。仅供内部使用。
-
@greg-449 是否有非常好的 inbuit XML 编辑器可以在 RCP 中使用，它可以跨平台（windows、linux、Mac）以很好的方式显示 XML/SCXML？感谢您是否知道此任务的另一个正确替代方案
-
大多数人只使用 WST XML 编辑器（您正在查看的那个）。如果您想编辑不同的文件类型，您所要做的就是添加文件关联，而不是新的编辑器。如果您尝试在没有文件的情况下编辑“存储中”数据，问题将是许多编辑者希望输入为
IFileEditorInput或IURIEditorInput。 -
查看
org.eclipse.core.contenttype.contentTypes扩展点的file-assocation部分。 Eclipse 帮助中有大量信息。
标签： xml eclipse-plugin eclipse-rcp rich-text-editor