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检索和设置用于IntelliJ IDEA插件开发的拆分窗口设置
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Stack Overflow用户
提问于 2013-11-01 22:12:04
回答 1查看 1.4K关注 0票数 47

我正在编写一个名为Tab Session的IntelliJ IDEA插件,用于保存打开的选项卡的会话。这个问题是IntelliJ IDEA Plugin Development: Save groups of tabs, save them persistently and reload a set of tabs if requested by the user的后续问题。

目前,不支持拆分窗口。因此,我想做两件事:

  1. 检索有关作为编辑器选项卡容器的所有拆分或未拆分窗口的信息。我需要它们的位置和拆分方向(水平或vertical).
  2. When此信息已保存,并且需要加载选项卡会话,我需要完全像以前一样重建拆分的窗格及其选项卡。

由于缺乏文档,我目前正在使用browsing through the source code,并找到了这段很有前途的代码:

代码语言:javascript
复制
private EditorsSplitters getSplittersFromFocus() {
  return FileEditorManagerEx.getInstanceEx(myProject).getSplitters();
}

它允许我使用EditorWindow[] windows = getSplittersFromFocus.getOrderedWindows()遍历拆分的窗口集。它们包含编辑器选项卡以及有关其宽度和高度的信息。但是我没有找到任何关于拆分方向和如何像以前一样重建拆分窗口的信息。

有人能帮上忙吗?

EN

回答 1

Stack Overflow用户

回答已采纳

发布于 2014-03-04 17:30:15

这是未经测试的代码,但由于它紧密地重新编译了EditorsSplitters writeExternalwritePanel函数中的过程,我确信这将会起作用。

提供了两种方法:

  • access writeExternal ->的输出应该是更稳定的应用编程接口,并提供对拆分器->的文件information
  • access组件的更容易访问。通过这种方式,writeExternal创建其信息;遗憾的是,至少有一个受保护的字段不涉及getter ( findWindowWith)

中的window.myPanel

代码语言:javascript
复制
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;
    }

    @Override
    public 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();
    }

    /**
     * Reads writeExternal output
     */
    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;
    }

    /**
     * Acts directly upon Component
     */
    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;
    }
}
票数 5
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页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接:

https://stackoverflow.com/questions/19728469

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