Examples of javax.swing.text.AttributeSet

javax.swing.text.AttributeSet
A collection of unique attributes. This is a read-only, immutable interface. An attribute is basically a key and a value assigned to the key. The collection may represent something like a style run, a logical style, etc. These are generally used to describe features that will contribute to some graphical representation such as a font. The set of possible keys is unbounded and can be anything. Typically View implementations will respond to attribute definitions and render something to represent the attributes.
Attributes can potentially resolve in a hierarchy. If a key doesn't resolve locally, and a resolving parent exists, the key will be resolved through the parent. @author Timothy Prinzing @see MutableAttributeSet

        final Object result = elem.getAttributes().getAttribute(StyleConstants.NameAttribute);
        return (result instanceof HTML.Tag) ? (HTML.Tag)result : null;
    }


    private static String getURLString(final Element e) {
        AttributeSet aSet = (AttributeSet)e.getAttributes()
                .getAttribute(HTML.Tag.A);
        return aSet == null
                ? null
                : (String)aSet.getAttribute(HTML.Attribute.HREF);
    }

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                if (rr == null) {
                    rr = addStyle(selector, null);
                    addStyleToCascadedStyles(selector);
                }
                if (asResolver) {
                    final AttributeSet resolver = rr.getResolveParent();
                    final MutableAttributeSet importedAttrs =
                        resolver instanceof MutableAttributeSet
                        ? (MutableAttributeSet)resolver
                        : addStyle(null, null);
                    importedAttrs.addAttributes(attrs);

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        int offset = isParagraph(elem) ? elem.getEndOffset() - 1 : elem.getEndOffset();
        insertHTMLText(elem, offset, htmlText);
    }
    
    private boolean isParagraph(final Element elem) {
        final AttributeSet attr = elem.getAttributes();
        return attr != null && Tag.P.equals(attr.getAttribute(StyleConstants.NameAttribute));
    }

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    protected AbstractElement createDefaultRoot() {
        final BlockElement root = new BlockElement(null, null);
        writeLock();
        try {
            root.addAttribute(StyleConstants.NameAttribute, Tag.HTML);
            AttributeSet attr = getAttributeContext().getEmptySet();
            final BranchElement body = (BranchElement)createBranchElement(root,
                                                                          null);
            body.addAttribute(StyleConstants.NameAttribute, Tag.BODY);
            
            final BranchElement p = (BranchElement)createBranchElement(body, null);

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                                          final AttributeSet attr) {
        return new BlockElement(parent, attr);
    }
    
    protected void insertUpdate(final DefaultDocumentEvent event, final AttributeSet attrs) {
        AttributeSet contentAttr = attrs;
        if (contentAttr == null) {
            contentAttr = new SimpleAttributeSet();
            ((SimpleAttributeSet)contentAttr).addAttribute(StyleConstants.NameAttribute, Tag.CONTENT);
        }
        super.insertUpdate(event, contentAttr);

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        }


        private ElementSpec findLastSpec(final Tag tag) {
            for (int i = parseBuffer.size() - 1; i >= 0; i--) {
                ElementSpec spec = (ElementSpec)parseBuffer.get(i);
                final AttributeSet specAttr = spec.getAttributes();
                if (specAttr != null && specAttr.containsAttribute(StyleConstants.NameAttribute, tag)) {
                    return spec;
                }
            }
            return null;
        }

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        super.preferenceChanged(this, width, height);
    }


    protected Component createComponent() {
        try {
            final AttributeSet attrs = getElement().getAttributes();
            final FormElement model = (FormElement)attrs
                .getAttribute(StyleConstants.ModelAttribute);


//            if (model == null) {
//                return null;
//            }

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        }
    }


    private void resetForm(final Form form) {
        FormElement formElement;
        AttributeSet attrs;


        for (int i = 0; i < form.getElementsCount(); i++) {
            formElement = form.getElement(i);


            attrs = formElement.getAttributes();

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            final View parent = view.getParent();
            if (parent == null) {
                return getDefaultValue();
            }


            final AttributeSet attr = parent.getAttributes();
            final Object fs = attr.getAttribute(Attribute.FONT_SIZE);
            final int fontSize = fs != null ? ((Length)fs).intValue(parent)
                                            : getDefaultValue().intValue();
            int sizeValueIndex;


            // calculation is defined by CSS1, http://www.w3.org/TR/CSS1#length-units

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        Object resolveRelativeValue(final View view) {
            if (view == null) {
                return ZERO;
            }


            final AttributeSet attr = view.getAttributes();


            switch (relativeUnits) {
            case RELATIVE_UNITS_EM:
            case RELATIVE_UNITS_EX:
                final Object fs = attr.getAttribute(Attribute.FONT_SIZE);
                final float fontSize = fs != null
                                       ? ((Length)fs).floatValue(view)
                                       : FontSize.getDefaultValue().floatValue();


                float result = fontSize * theValue.floatValue();

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