检索和设置IntelliJ IDEA插件开发的拆分窗口设置

这是未经测试的代码，但是由于它紧密地重新组合了EditorsSplitters

writeExternal

writePanel

提出了两种方法：

• writeExternal

  ->的访问输出应该是更稳定的API，并且可以更轻松地访问文件信息

• 访问splitter的组件->以这种方式

  writeExternal

  创建它的信息；可悲的是，至少有一个保护场没有涉及吸气剂（

  window.myPanel

  内部

  findWindowWith

  ）

  import com.intellij.openapi.actionSystem.AnAction;
  import com.intellij.openapi.actionSystem.AnActionEvent;
  import com.intellij.openapi.fileEditor.FileEditorManager;
  import com.intellij.openapi.fileEditor.impl.EditorsSplitters;
  import com.intellij.openapi.fileEditor.impl.FileEditorManagerImpl;
  import com.intellij.openapi.project.Project;
  import com.intellij.openapi.ui.Splitter;
  import org.jdom.Element;
  
  

  import javax.swing.;
  import java.awt.;
  import java.util.ArrayList;

  public class SplitterAction extends AnAction {

  public SplitterAction() {    super("Splitter _Action");}private static class Info {}private static class SplitInfo extends Info {    public Info    first;    public Info    second;    public boolean vertical;    public float   proportions;}private static class FileInfo extends Info {    public String[] fileNames;}@Overridepublic void actionPerformed(AnActionEvent anActionEvent) {    final Project project = anActionEvent.getProject();    final FileEditorManagerImpl fileEditorManager = (FileEditorManagerImpl) FileEditorManager.getInstance(project);    EditorsSplitters splitters = fileEditorManager.getSplitters();    // com.intellij.openapi.fileEditor.impl.EditorsSplitters.writeExternal() and    // com.intellij.openapi.fileEditor.impl.EditorsSplitters#writePanel inspired this    final Component component = splitters.getComponent(0);    final SplitInfo infos = splitterVisitor(component);    // or you could use this    Element root = new Element("root");    splitters.writeExternal(root);    elementVisitor(root);    // to restore from writeExternal the following should suffice    splitters.readExternal(root);    splitters.openFiles();}private Info elementVisitor(Element root) {    final Element splitter = root.getChild("splitter");    if (splitter != null) {        // see com.intellij.openapi.fileEditor.impl.EditorsSplitters#writePanel        final SplitInfo splitInfo = new SplitInfo();        // "vertical" or "horizontal"        splitInfo.vertical = "vertical".equals(splitter.getAttributevalue("split-orientation"));        splitInfo.proportions = Float.parseFloat(splitter.getAttributevalue("split-proportion"));        Element first = splitter.getChild("split-first");        if (first != null) { splitInfo.first = elementVisitor(first);        }        Element second = splitter.getChild("split-second");        if (second != null) { splitInfo.second = elementVisitor(second);        }        return splitInfo;    }    final Element leaf = root.getChild("leaf");    if (leaf != null) {        final ArrayList<String> fileNames = new ArrayList<String>();        for (Element file : leaf.getChildren("file")) { final String fileName = file.getAttributevalue("leaf-file-name"); fileNames.add(fileName); // further attributes see com.intellij.openapi.fileEditor.impl.EditorsSplitters#writeComposite        }        final FileInfo fileInfo = new FileInfo();        fileInfo.fileNames = fileNames.toArray(new String[fileNames.size()]);        return fileInfo;    }    return null;}private SplitInfo splitterVisitor(Component component) {    if (component instanceof JPanel && ((JPanel) component).getComponentCount() > 0) {        final Component child = ((JPanel) component).getComponent(0);        if (child instanceof Splitter) { final Splitter splitter = (Splitter) child; final SplitInfo splitInfos = new SplitInfo(); splitInfos.vertical = splitter.isVertical(); splitInfos.proportions = splitter.getProportion(); splitInfos.first = splitterVisitor(splitter.getFirstComponent()); splitInfos.second = splitterVisitor(splitter.getSecondComponent()); return splitInfos;        }        // TODO: retrieve file information    }    return null;}

  }