StringBox.java :  » IDE-Netbeans » visualweb.api.designer » org » netbeans » modules » visualweb » css2 » Java Open Source

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package org.netbeans.modules.visualweb.css2;

import java.awt.FontMetrics;
import org.netbeans.modules.visualweb.designer.CssUtilities;
import org.w3c.dom.Element;

import org.netbeans.modules.visualweb.designer.WebForm;


/**
 * StringBox represents a box of text whose text is specified by
 * an attribute rather than the text-node children of the box' element
 * (which is the default).

 * @author Tor Norbye
 */
public class StringBox extends ContainerBox {
    private String string;

    /**
     * Create a StringBox for the given string
     *
     * @param webform The <code>WebForm</code>
     * @param element The element this string box is associated with
     * @param boxType Type of box.
     * @param string The string to manage
     * @param width The width to use for the box
     * @param height The height to use for the box
     */
    public StringBox(WebForm webform, Element element, BoxType boxType, String string,
        CssBorder border, int width, int height) {
        super(webform, element, boxType, true, true);
        this.string = string;
        this.width = width;
        this.height = height;
        this.border = border;
    }

    protected void initializeBorder() {
        if (border == null) {
            super.initializeBorder();
        }

//        if (border == null) {
        // XXX #115938 Don't show design border when there is zero width for the component.
        if (border == null && (string != null && string.length() > 0)) {
            border = CssBorder.getDesignerBorder();
        }

        if (border == null) {
            leftBorderWidth   = 0;
            topBorderWidth    = 0;
            bottomBorderWidth = 0;
            rightBorderWidth  = 0;
        } else {
            leftBorderWidth = border.getLeftBorderWidth();
            topBorderWidth = border.getTopBorderWidth();
            bottomBorderWidth = border.getBottomBorderWidth();
            rightBorderWidth = border.getRightBorderWidth();
        }
    }

    public int getIntrinsicWidth() {
        if (width == AUTO) {
            if (getBoxCount() > 0) {
                assert getBox(0) instanceof LineBoxGroup;

                return getBox(0).getPrefWidth();
            } else {
//                width = 30;
                // XXX #115938 No text (i.e. no child boxes), then no width.
                width = 0;
            }
        }

        return width;
    }

    public int getIntrinsicHeight() {
        if (height == AUTO) {
            if (getBoxCount() > 0) {
                assert getBox(0) instanceof LineBoxGroup;

                return ((LineBoxGroup)getBox(0)).getMetrics().getHeight();
            } else {
//                height = 14;
                // XXX #115938 Height should be based on the font.
                FontMetrics fontMetrics = CssUtilities.getDesignerFontMetricsForElement(getElement(), string, webform.getDefaultFontSize());
                height = fontMetrics.getHeight();
            }
        }

        return height;
    }

//    public String toString() {
//        return "StringBox[" + paramString() + "]";
//    }

    protected String paramString() {
        return super.paramString() + ", " + string;
    }

    /** When building the box hierarchy, instead of adding content
     * for children, add the string attribute content
     */
    protected void createChildren(CreateContext context) {
        LineBoxGroup old = context.lineBox;
        context.lineBox = null;
        addText(context, null, getElement(), string);
        finishLineBox(context);
        context.lineBox = old;
    }

    public int getPrefWidth() {
        return getIntrinsicWidth();
    }

    public int getPrefMinWidth() {
        return getIntrinsicWidth();
    }
}