panelbean.java

GridSphere 门户 提供一个基于 portlet 的高级开放源代码门户。GridSphere 是在欧盟提供基金的 GridLab 项目下开发的

/*
 * @author <a href="mailto:[e-mail]">Jason Novotny</a>
 * @version $Id: PanelBean.java 4496 2006-02-08 20:27:04Z wehrens $
 */
package org.gridsphere.provider.portletui.beans;

/**
 * A <code>PanelBean</code> provides a stylized table that is generally used as a container for
 * <code>FrameBean</code>s
 */
public class PanelBean extends BeanContainer implements TagBean {

    public static final String PANEL_STYLE = "portlet-pane";
    public static final String PANEL_WIDTH = "100%";
    public static final String PANEL_SPACING = "1";
    public static final String PANEL_PADDING = "1";
    public static final String PANEL_BORDER = "0";

    protected String cellSpacing = PANEL_SPACING;
    protected String cellPadding = PANEL_PADDING;
    protected String border = PANEL_BORDER;
    protected String align = null;
    protected String width = PANEL_WIDTH;

    private String cols = "100%";
    private String[] colArray = {cols};
    private int numCols = 1;

    /**
     * Constructs a default panel bean
     */
    public PanelBean() {
        this.cssClass = PANEL_STYLE;
    }

    public PanelBean(String beanId) {
        this.cssClass = PANEL_STYLE;
        this.beanId = beanId;
    }

    /**
     * Sets the panel (table) width
     *
     * @param width the panel width
     */
    public void setWidth(String width) {
        this.width = width;
    }

    /**
     * Returns the panel (table) width
     *
     * @return the panel width
     */
    public String getWidth() {
        return width;
    }

    /**
     * Sets the table alignment e.g. "left", "center" or "right"
     *
     * @param align the table alignment
     */
    public void setAlign(String align) {
        this.align = align;
    }

    /**
     * Returns the table alignment e.g. "left", "center" or "right"
     *
     * @return the table alignment
     */
    public String getAlign() {
        return align;
    }

    /**
     * Sets the number of columns in the panel
     *
     * @param cols the number of columns
     */
    public void setCols(String cols) {
        this.cols = cols;
    }

    /**
     * Returns the number of columns in the panel
     *
     * @return the number of columns in the panel
     */
    public String getCols() {
        return cols;
    }

    /**
     * Sets the number of columns in the panel
     *
     * @param numCols the number of columns
     */
    public void setNumCols(int numCols) {
        this.numCols = numCols;
    }

    /**
     * Returns the number of columns in the panel
     *
     * @return the number of columns in the panel
     */
    public int getNumCols() {
        return numCols;
    }

    /**
     * Sets the column array specifying column widths
     *
     * @param colArray the column array specifying column widths
     */
    public void setColArray(String[] colArray) {
        this.colArray = colArray;
    }

    /**
     * Returns the number of columns in the panel
     *
     * @return the number of columns in the panel
     */
    public String[] getColArray() {
        return colArray;
    }

    /**
     * Sets the panel (table) cell spacing
     *
     * @param cellSpacing the panel cell spacing
     */
    public void setCellSpacing(String cellSpacing) {
        this.cellSpacing = cellSpacing;
    }

    /**
     * Returns the panel (table) cell spacing
     *
     * @return the panel cell spacing
     */
    public String getCellSpacing() {
        return cellSpacing;
    }

    /**
     * Sets the panel (table) cell spacing
     *
     * @param cellPadding the panel cell padding
     */
    public void setCellPadding(String cellPadding) {
        this.cellPadding = cellPadding;
    }

    /**
     * Returns the panel (table) cell padding
     *
     * @return the panel cell padding
     */
    public String getCellPadding() {
        return cellPadding;
    }

    /**
     * Sets the table border
     *
     * @param border the panel border
     */
    public void setBorder(String border) {
        this.border = border;
    }

    /**
     * Returns the panel border
     *
     * @return the panel border
     */
    public String getBorder() {
        return border;
    }

    public String toStartString() {
        StringBuffer sb = new StringBuffer();
        sb.append("<table " + getFormattedCss() + " ");
        sb.append(" cellspacing=\"" + cellSpacing + "\" ");
        sb.append(" cellpadding=\"" + cellPadding + "\" ");
        sb.append(" border=\"" + border + "\" ");
        sb.append(" width=\"" + width + "\" ");
        if (align != null) sb.append(" layout=\"" + align + "\" ");
        sb.append(">");
        return sb.toString();
    }

    public String toEndString() {
        StringBuffer sb = new StringBuffer();
        int numRows = container.size();
        int i = 0;
        int j = 0;

        while (i < numRows) {
            sb.append("<tr>");
            while ((j < numCols) && (i < numRows)) {
                TagBean tagBean = (TagBean) container.get(i);
                //System.err.println("in panel bean colArray " + i + " " + colArray[j]);
                // Attribute 'width' replaced by 'style="width:"' for XHTML 1.0 Strict compliance                
                sb.append("<td style=\"width:" + colArray[j] + "\">");
                sb.append(tagBean.toStartString());
                sb.append(tagBean.toEndString());
                sb.append("</td>");
                j++;
                i++;
            }
            j = 0;
            sb.append("</tr>");
        }

        sb.append("</table>");
        return sb.toString();
    }

}