如何改變ContentProposalAdapter的外觀

Question

我正在使用ContentProposalAdapter來自動完成文本框，它的工作正常，但我想改變其外觀像彈出式的字體或背景顏色，等等，我搜索了但我不能找到任何ContentProposalAdapter的方法來做這些事情。我如何改變一個ContentProposalAdapter的外觀？

Answer 1

我沒有這個JFace的一部分的任何經驗，但是當你查看文檔，你可以找到方法openProposalPopup（see docs）

這個類提供了一些重寫的​​方法，以允許客戶端手動控制彈出。但是，大部分實施仍然是私人的。

打開提案彈出窗口並顯示提案提供者提供的提案。此方法立即返回。也就是說，它不會等待提案被選中。子類使用此方法顯式調用彈出窗口的打開。如果沒有要顯示的提議，則彈出窗口不會打開併發出嘟嘟聲。

如果選中該方法的代碼，你會發現

/** 
* Open the proposal popup and display the proposals provided by the 
* proposal provider. If there are no proposals to be shown, do not show the 
* popup. This method returns immediately. That is, it does not wait for the 
* popup to open or a proposal to be selected. 
* 
* @param autoActivated 
*   a boolean indicating whether the popup was autoactivated. If 
*   false, a beep will sound when no proposals can be shown. 
*/ 
private void openProposalPopup(boolean autoActivated) { 
    if (isValid()) { 
     if (popup == null) { 
      // Check whether there are any proposals to be shown. 
      recordCursorPosition(); // must be done before getting proposals 
      IContentProposal[] proposals = getProposals(); 
      if (proposals.length > 0) { 
       if (DEBUG) { 
        System.out.println("POPUP OPENED BY PRECEDING EVENT"); //$NON-NLS-1$ 
       } 
       recordCursorPosition(); 
       popup = new ContentProposalPopup(null, proposals); 
       popup.open(); 
       popup.getShell().addDisposeListener(new DisposeListener() { 
        public void widgetDisposed(DisposeEvent event) { 
         popup = null; 
        } 
       }); 
       internalPopupOpened(); 
       notifyPopupOpened(); 
      } else if (!autoActivated) { 
       getControl().getDisplay().beep(); 
      } 
     } 
    } 
} 

/** 
* Open the proposal popup and display the proposals provided by the 
* proposal provider. This method returns immediately. That is, it does not 
* wait for a proposal to be selected. This method is used by subclasses to 
* explicitly invoke the opening of the popup. If there are no proposals to 
* show, the popup will not open and a beep will be sounded. 
*/ 
protected void openProposalPopup() { 
    openProposalPopup(false); 
} 

的代碼創建ContentProposalPopup實例，它管理彈出窗口小部件和其他一些東西（see source code of whole ContentProposalAdapeter class）的外觀。

因此，如果您將創建新的類，它會覆蓋openProposalPopup()，將使用自己的ContentProposalPopup，你可以，只要你想管理的外觀..

Answer 2

我們有問題與ContentProposalAdapter，也和最終副本 - 根據我們的需要進行修改。