Java JTextComponent.getParent方法代码示例

import javax.swing.text.JTextComponent; //导入方法依赖的package包/类
private int getUsableWidth(JTextComponent component) {
    Container parent = component.getParent();
    if (parent instanceof JLayeredPane) {
        parent = parent.getParent();
    }
    return (parent instanceof JViewport)
        ? ((JViewport)parent).getExtentSize().width
        : component.getSize().width;
}
 

import javax.swing.text.JTextComponent; //导入方法依赖的package包/类
@SuppressWarnings("LeakingThisInConstructor")
public BraceMatchingSidebarComponent(JTextComponent editor) {
    this.editor = editor;
    this.mimeType = DocumentUtilities.getMimeType(editor);
    this.prefs = MimeLookup.getLookup(MimePath.EMPTY).lookup(Preferences.class);
    
    final Lookup.Result r = MimeLookup.getLookup(org.netbeans.lib.editor.util.swing.DocumentUtilities.getMimeType(editor)).lookupResult(
            FontColorSettings.class);
    prefListenerGC = new PrefListener();
    this.colorResult = r;
    r.addLookupListener(WeakListeners.create(LookupListener.class, this , r));
    prefs.addPreferenceChangeListener(WeakListeners.create(PreferenceChangeListener.class, prefListenerGC, prefs));
    loadPreferences();
    
    editorPane = findEditorPane(editor);
    Component parent = editor.getParent();
    if (parent instanceof JLayeredPane) {
        parent = parent.getParent();
    }
    if (parent instanceof JViewport) {
        this.viewport = (JViewport)parent;
        // see #219015; need to listen on viewport change to show/hide the tooltip
        viewport.addChangeListener(WeakListeners.change(this, viewport));
    }
    TextUI ui = editor.getUI();
    if (ui instanceof BaseTextUI) {
        baseUI = (BaseTextUI)ui;
        MasterMatcher.get(editor).addMatchListener(this);
    } else {
        baseUI = null;
    }
    setMaximumSize(new Dimension(Integer.MAX_VALUE, Integer.MAX_VALUE));
    updatePreferredSize();
}
 

import javax.swing.text.JTextComponent; //导入方法依赖的package包/类
protected URL getUrl(JTextComponent comp) {
    FileObject f = null;
    
    if (comp instanceof Lookup.Provider) {
        f = ((Lookup.Provider) comp).getLookup().lookup(FileObject.class);
    }
    
    if (f == null) {
        Container container = comp.getParent();
        while (container != null) {
            if (container instanceof Lookup.Provider) {
                f = ((Lookup.Provider) container).getLookup().lookup(FileObject.class);
                if (f != null) {
                    break;
                }
            }
            
            container = container.getParent();
        }
    }
    
    if (f != null) {
        try {
            return f.getURL();
        } catch (FileStateInvalidException e) {
            LOG.log(Level.WARNING, "Can't get URL for " + f, e); //NOI18N
        }
    }
    
    return null;
}
 

import javax.swing.text.JTextComponent; //导入方法依赖的package包/类
boolean invokeDefaultAction(boolean onlyActive) {
    JTextComponent comp = getComponent();
    if (comp == null) {
        Logger.getLogger(HintsUI.class.getName()).log(Level.WARNING, "HintsUI.invokeDefaultAction called, but comp == null");
        return false;
    }

    Document doc = comp.getDocument();

    cancel.set(false);
    
    if (doc instanceof BaseDocument) {
        try {
            Rectangle carretRectangle = comp.modelToView(comp.getCaretPosition());
            int line = Utilities.getLineOffset((BaseDocument) doc, comp.getCaretPosition());
            FixData fixes;
            String description;

            if (!onlyActive) {
                refresh(doc, comp.getCaretPosition());
                AnnotationHolder holder = getAnnotationHolder(doc);
                Pair<FixData, String> fixData = holder != null ? holder.buildUpFixDataForLine(line) : null;

                if (fixData == null) return false;

                fixes = fixData.first();
                description = fixData.second();
            } else {
                AnnotationDesc activeAnnotation = ((BaseDocument) doc).getAnnotations().getActiveAnnotation(line);
                if (activeAnnotation == null) {
                    return false;
                }
                String type = activeAnnotation.getAnnotationType();
                if (!fixableAnnotations.contains(type) && onlyActive) {
                    return false;
                }
                if (onlyActive) {
                    refresh(doc, comp.getCaretPosition());
                }
                Annotations annotations = ((BaseDocument) doc).getAnnotations();
                AnnotationDesc desc = annotations.getAnnotation(line, type);
                ParseErrorAnnotation annotation = null;
                if (desc != null) {
                    annotations.frontAnnotation(desc);
                    annotation = findAnnotation(doc, desc, line);
                }

                if (annotation == null) {
                    return false;
                }
                
                fixes = annotation.getFixes();
                description = annotation.getDescription();
            }

            Point p = comp.modelToView(Utilities.getRowStartFromLineOffset((BaseDocument) doc, line)).getLocation();
            p.y += carretRectangle.height;
            if(comp.getParent() instanceof JViewport) {
                p.x += ((JViewport)comp.getParent()).getViewPosition().x;
            }
            if(comp.getParent() instanceof JLayeredPane &&
                    comp.getParent().getParent() instanceof JViewport) {
                p.x += ((JViewport)comp.getParent().getParent()).getViewPosition().x;
            }

            showPopup(fixes, description, comp, p);

            return true;
        } catch (BadLocationException ex) {
            ErrorManager.getDefault().notify(ex);
        }
    }

    return false;
}