headercell.java

一个比较不错的java分页标签,有源代码,开发者 可以学习学习

     * @param sortName name given to server for sorting this column
     */
    public void setSortName(String sortName)
    {
        this.sortName = sortName;
    }

    /**
     * Gets the column title.
     * @return the column title. If no title is specified the capitalized bean property name is returned
     */
    public String getTitle()
    {
        if (this.title != null)
        {
            return this.title;
        }
        else if (this.beanPropertyName != null)
        {
            return StringUtils.capitalize(this.beanPropertyName);
        }

        return TagConstants.EMPTY_STRING;
    }

    /**
     * Setter for the column title.
     * @param value - the column title
     */
    public void setTitle(String value)
    {
        this.title = value;
    }

    /**
     * Returns the HtmlAttributeMap containg all the html attributes for the <strong>td </strong> tags.
     * @return HtmlAttributeMap with td attributes
     */
    public HtmlAttributeMap getHtmlAttributes()
    {
        return this.htmlAttributes;
    }

    /**
     * Sets the HtmlAttributeMap containg all the html attributes for the <strong>td </strong> tags.
     * @param attributes HtmlAttributeMap
     */
    public void setHtmlAttributes(HtmlAttributeMap attributes)
    {
        this.htmlAttributes = attributes;
    }

    /**
     * returns the HtmlAttributeMap containg all the html attributes for the <strong>th </strong> tag.
     * @return HtmlAttributeMap with th attributes
     */
    public HtmlAttributeMap getHeaderAttributes()
    {
        return this.headerAttributes;
    }

    /**
     * Sets the HtmlAttributeMap containg all the html attributes for the <strong>th </strong> tag.
     * @param attributes HtmlAttributeMap
     */
    public void setHeaderAttributes(HtmlAttributeMap attributes)
    {
        this.headerAttributes = attributes;
    }

    /**
     * Adds a css class to the html "class" attribute.
     * @param cssClass String
     */
    public void addHeaderClass(String cssClass)
    {
        // null safe
        if (StringUtils.isBlank(cssClass))
        {
            return;
        }

        // if headerAttributes has not been set, instantiates a new map
        if (headerAttributes == null)
        {
            headerAttributes = new HtmlAttributeMap();
        }

        Object classAttributes = this.headerAttributes.get(TagConstants.ATTRIBUTE_CLASS);

        // handle multiple values
        if (classAttributes == null)
        {
            this.headerAttributes.put(TagConstants.ATTRIBUTE_CLASS, new MultipleHtmlAttribute(cssClass));
        }
        else
        {
            ((MultipleHtmlAttribute) classAttributes).addAttributeValue(cssClass);
        }
    }

    /**
     * return the open tag for a column header (th).
     * @return String &lt;th&gt; tag with attributes
     */
    public String getHeaderOpenTag()
    {
        return HtmlTagUtil.createOpenTagString(TagConstants.TAGNAME_COLUMN_HEADER, this.headerAttributes);
    }

    /**
     * return the closing tag for a cell (td).
     * @return String &lt;/td&gt;
     */
    public String getCloseTag()
    {
        return TagConstants.TAG_OPENCLOSING + TagConstants.TAGNAME_COLUMN + TagConstants.TAG_CLOSE;
    }

    /**
     * return the closing tag for a column header (th).
     * @return String &lt;/th&gt;
     */
    public String getHeaderCloseTag()
    {
        return TagConstants.TAG_OPENCLOSING + TagConstants.TAGNAME_COLUMN_HEADER + TagConstants.TAG_CLOSE;
    }

    /**
     * Setter for the href to be used for dinamic links in cells.
     * @param baseHref base href for links
     */
    public void setHref(Href baseHref)
    {
        this.href = baseHref;
    }

    /**
     * Getter for the href to be used for dinamic links in cells.
     * @return Href base href for links
     */
    public Href getHref()
    {
        return this.href;
    }

    /**
     * Setter for the name of the param to add to links.
     * @param name name of the param
     */
    public void setParamName(String name)
    {
        this.paramName = name;
    }

    /**
     * Getter for the name of the param to add to links.
     * @return String name of the param
     */
    public String getParamName()
    {
        return this.paramName;
    }

    /**
     * Setter for the name of the property to look up in bean to get the param value for links.
     * @param property name of the property to look up in bean to get the param value for links
     */
    public void setParamProperty(String property)
    {
        this.paramProperty = property;
    }

    /**
     * Getter for the name of the property to look up in bean to get the param value for links.
     * @return String name of the property to look up in bean to get the param value for links
     */
    public String getParamProperty()
    {
        return this.paramProperty;
    }

    /**
     * Getter for the name of the property in the bean which will be used for sorting.
     * @return String name of the property in the bean which will be used for sorting
     */
    public String getSortProperty()
    {
        return this.sortPropertyName;
    }

    /**
     * Setter for the name of the property in the bean which will be used for sorting.
     * @param propertyName - name of the property in the bean which will be used for sorting
     */
    public void setSortProperty(String propertyName)
    {
        this.sortPropertyName = propertyName;
    }

    /**
     * Sets the default sort order for this column
     * @return default order
     */
    public SortOrderEnum getDefaultSortOrder()
    {
        return this.defaultSortOrder;
    }

    /**
     * Gets the default sort order for this column
     * @param order default order
     */
    public void setDefaultSortOrder(SortOrderEnum order)
    {
        this.defaultSortOrder = order;
    }

    /**
     * @see java.lang.Object#toString()
     */
    public String toString()
    {
        return new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE) //
            .append("columnNumber", this.columnNumber) //$NON-NLS-1$
            .append("title", this.title) //$NON-NLS-1$
            .append("beanPropertyName", this.beanPropertyName) //$NON-NLS-1$
            .toString();
    }

    /**
     * Set the column comparator.
     * @param columnComparator the value
     */
    public void setComparator(Comparator columnComparator)
    {
        this.comparator = columnComparator;
    }

    /**
     * Get the comparator for sorting this column.
     * @return the comparator
     */
    public Comparator getComparator()
    {
        return this.comparator;
    }

    /**
     * Will we be keeping a total for this column?
     * @return true if we are totaling
     */
    public boolean isTotaled()
    {
        return totaled;
    }

    /**
     * Setter for totaled.
     * @param isTotaled the value
     */
    public void setTotaled(boolean isTotaled)
    {
        this.totaled = isTotaled;
    }

    /**
     * Add the value of this parameter to the column total. The param will be converted to a number via a property
     * Converter.
     * @param value the value
     * @see Converter#convert(Class, Object)
     */
    private void addToTotal(Object value)
    {
        if (value != null)
        {
            this.total = this.total + ((Number) value).doubleValue();
        }
    }

    /**
     * Get the current total.
     * @return the current total.
     */
    public double getTotal()
    {
        return this.total;
    }

    /**
     * Add a new cell to this column.
     * @param column the value
     */
    public void addCell(Column column)
    {
        // Not actually going to hold a reference to the added cell - we just need access for the totals
        if (this.totaled)
        {
            try
            {
                Object val = column.getValue(false);
                addToTotal(val);
            }
            catch (ObjectLookupException e)
            {
                throw new RuntimeException(e);
            }
            catch (DecoratorException e)
            {
                throw new RuntimeException(e);
            }
        }
    }

}