在不使用查看器的情况下将按钮添加到 Eclipse 视图工具栏

Question

我正在尝试创建一个 Eclipse PDE 插件，该插件在视图的工具栏中有一个带有按钮的视图。该视图旨在显示文本，单击工具栏按钮时文本将更改格式。我一直在尝试使用查看器，因为 none 的查看器符合我的需要。我按照 this SO post 作为参考，但未能使该功能正常工作。 我的 plugin.xml 文件有问题吗？ 我添加了视图的 ID 作为菜单贡献的位置 URI，但是插件没有在工具栏中显示按钮符合预期。

我在下面添加了我的 plugin.xml 和 ViewPart class 供您参考：

Plugin.xml:

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.4"?>
<plugin>

   <extension
         point="org.eclipse.ui.views">
      <category
            name="Sample Category"
            id="asher">
      </category>
      <view
            id="asher.views.id.SampleView"
            name="Sample View"
            icon="icons/daffodil.png"
            class="asher.views.SampleView"
            category="asher"
            inject="true">
      </view>
   </extension>
   <extension
         point="org.eclipse.ui.perspectiveExtensions">
      <perspectiveExtension
            targetID="org.eclipse.jdt.ui.JavaPerspective">
         <view
               id="asher.views.id.SampleView"
               relative="org.eclipse.ui.views.ProblemView"
               relationship="right"
               ratio="0.5">
         </view>
      </perspectiveExtension>
   </extension>
   <extension
         point="org.eclipse.help.contexts">
      <contexts
            file="contexts.xml">
      </contexts>
   </extension>
      <extension
         point="org.eclipse.ui.commands">
     <category
            id="asher.commands.unparse.category"
            name="Unparse Category">
     </category>
     <command
            categoryId="asher.commands.unparse.category"
            name="UnParse"
            id="asher.commands.unparseCommand">
      </command>
   </extension>
   <extension
         point="org.eclipse.ui.handlers">
      <handler
            class="asher.handlers.UnparseHandler"
            commandId="asher.commands.unparseCommand">
      </handler>
   </extension>
    <extension
         point="org.eclipse.ui.bindings">
      <key
            commandId="asher.commands.unparseCommand"
            schemeId="org.eclipse.ui.defaultAcceleratorConfiguration"
            contextId="org.eclipse.ui.contexts.window"
            sequence="M1+7">
      </key>
      </extension>
     <extension
         point="org.eclipse.ui.menus">
    <menuContribution
          allPopups="true"
          locationURI="toolbar:asher.views.id.SampleView?after=additions">
         <menu
               id="asher.menus.unparseMenu"
               label="Unparse"
               mnemonic="M">
            <command
                  commandId="asher.commands.unparseCommand"
                  icon="icons/daffodil.png"
                  id="asher.menus.unparseCommand"
                  mnemonic="S"
                  tooltip="Unparse">
            </command>
         </menu>
      </menuContribution>
      </extension>
</plugin>

ViewPart Class:

public class SampleView extends ViewPart {
    /**
     * The ID of the view as specified by the extension.
     */
    public static final String ID = "asher.views.id.SampleView";
    @Inject IWorkbench workbench;
     
    @Override
    public void createPartControl(Composite parent) {
        
        Text text = new Text(parent, SWT.READ_ONLY | SWT.V_SCROLL | SWT.H_SCROLL);
        
         File file = new File("/Users/user/Desktop/install.json");
         Scanner sc;
        
        try {
            sc = new Scanner(file);
            while (sc.hasNextLine()) 
                  text.setText(text.getText()+"\n"+sc.nextLine()); 
            sc.close();
        } catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
    @Override
    public void setFocus() {
    }
}

Answer 1

我找到了答案的解决方案。我所做的更改是从工具栏中删除标签。

这是固定的 plugin.xml 部分：

<menuContribution
      allPopups="true"
      locationURI="toolbar:asher.views.id.SampleView?after=additions">
            <command
                  commandId="asher.commands.unparseCommand"
                  icon="icons/daffodil.png"
                  id="asher.menus.unparseCommand"
                  mnemonic="S"
                  tooltip="Unparse">
            </command>
     </menuContribution>

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