scrollertag.java

以前做的一个j2ee的项目

package gov.gdlt.ssgly.taxweb.tag.taglib;

import javax.faces.component.*;
import javax.faces.context.*;
import javax.faces.el.*;
import javax.faces.event.*;
import javax.faces.webapp.*;

import gov.gdlt.ssgly.taxweb.tag.components.*;

/**
 * ScrollerTag is the tag handler class for <code>ScrollerComponent.</code>
 */
public class ScrollerTag extends UIComponentTag {

    protected String actionListener = null;
    protected String navFacetOrientation = null;

    protected String pageSize = null;
    protected String totalPageCount = null;
    protected String style = null;
    protected String styleClass = null;
    protected String paramList = null;
    protected String totalCount = null;
    protected String countPage = null;
    protected String preImg = null;
    protected String nextImg = null;
    protected String isJump = null;
    /**
     * method reference to handle an action event generated as a result of
     * clicking on a link that points a particular page in the result-set.
     */
    public void setActionListener(String actionListener) {
        this.actionListener = actionListener;
    }


    /*
     * When rendering a widget representing "page navigation" where
     * should the facet markup be rendered in relation to the page
     * navigation widget?  Values are "NORTH", "SOUTH", "EAST", "WEST".
     * Case insensitive. This can be value or a value binding
     * reference expression.
     */
    public void setNavFacetOrientation(String navFacetOrientation) {
        this.navFacetOrientation = navFacetOrientation;
    }


    /*
     * The data grid component for which this acts as a scroller.
     * This can be value or a value binding reference expression.
     */
    public void setPageSize(String newPageSize) {
        this.pageSize = newPageSize;
    }

    public void setTotalPageCount(String newValue) {
        this.totalPageCount = newValue;
    }

    public void setStyle(String newValue) {
        this.style = newValue;
    }

    public void setStyleClass(String newValue) {
        this.styleClass = newValue;
    }

    public void setParamList(String newValue) {
        this.paramList = newValue;
    }

    public void setTotalCount(String totalCount) {
        this.totalCount = totalCount;
    }

    public void setCountPage(String CountPage) {
        this.countPage = CountPage;
    }

    public void setNextImg(String nextImg) {
        this.nextImg = nextImg;
    }

    public void setPreImg(String preImg) {
        this.preImg = preImg;
    }

    public void setIsJump(String isJump) {
        this.isJump = isJump;
    }

    public String getComponentType() {
        return ("Scroller");
    }


    public String getRendererType() {
        return (null);
    }


    public void release() {
        super.release();
        this.navFacetOrientation = null;
    }


    protected void setProperties(UIComponent component) {
        super.setProperties(component);
        FacesContext context = FacesContext.getCurrentInstance();
        ValueBinding vb = null;

        if (actionListener != null) {
            if (isValueReference(actionListener)) {
                Class args[] = {ActionEvent.class};
                MethodBinding mb = FacesContext.getCurrentInstance()
                                   .getApplication()
                                   .createMethodBinding(actionListener, args);
                ((ScrollerComponent) component).setActionListener(mb);
            } else {
                Object params[] = {actionListener};
                throw new javax.faces.FacesException();
            }
        }

        // if the attributes are values set them directly on the component, if
        // not set the ValueBinding reference so that the expressions can be
        // evaluated lazily.
        if (navFacetOrientation != null) {
            if (isValueReference(navFacetOrientation)) {
                vb =
                        context.getApplication().createValueBinding(
                                navFacetOrientation);
                component.setValueBinding("navFacetOrientation", vb);
            } else {
                component.getAttributes().put("navFacetOrientation",
                                              navFacetOrientation);
            }
        }

        if (pageSize != null) {
            if (isValueReference(pageSize)) {
                vb = context.getApplication().createValueBinding(pageSize);
                component.setValueBinding("pageSize", vb);
            } else {
                component.getAttributes().put("pageSize", pageSize);
            }
        }

        if (isJump != null) {
            if (isValueReference(isJump)) {
                vb = context.getApplication().createValueBinding(isJump);
                component.setValueBinding("isJump", vb);
            } else {
                component.getAttributes().put("isJump", isJump);
            }
        }

        if (preImg != null) {
            if (isValueReference(preImg)) {
                vb = context.getApplication().createValueBinding(preImg);
                component.setValueBinding("preImg", vb);
            } else {
                component.getAttributes().put("preImg", preImg);
            }
        }

        if (nextImg != null) {
            if (isValueReference(nextImg)) {
                vb = context.getApplication().createValueBinding(nextImg);
                component.setValueBinding("nextImg", vb);
            } else {
                component.getAttributes().put("nextImg", nextImg);
            }
        }

        if (countPage != null) {
            if (isValueReference(countPage)) {
                vb = context.getApplication().createValueBinding(countPage);
                component.setValueBinding("countPage", vb);
            } else {
                component.getAttributes().put("countPage", countPage);
            }
        }

        if (totalPageCount != null) {
            if (isValueReference(totalPageCount)) {
                vb = context.getApplication().createValueBinding(totalPageCount);
                component.setValueBinding("totalPageCount", vb);
            } else {
                component.getAttributes().put("totalPageCount", totalPageCount);
            }
        }

        if (totalCount != null) {
            if (isValueReference(totalCount)) {
                vb = context.getApplication().createValueBinding(totalCount);
                component.setValueBinding("totalCount", vb);
            } else {
                component.getAttributes().put("totalCount", totalCount);
            }

        }
        if (style != null) {
            if (isValueReference(style)) {
                vb = context.getApplication().createValueBinding(style);
                component.setValueBinding("style", vb);
            } else {
                component.getAttributes().put("style", style);
            }
        }

        if (styleClass != null) {
            if (isValueReference(styleClass)) {
                vb = context.getApplication().createValueBinding(styleClass);
                component.setValueBinding("styleClass", vb);
            } else {
                component.getAttributes().put("styleClass", styleClass);
            }
        }

        if (styleClass != null) {
            if (isValueReference(styleClass)) {
                vb = context.getApplication().createValueBinding(styleClass);
                component.setValueBinding("styleClass", vb);
            } else {
                component.getAttributes().put("styleClass", styleClass);
            }
        }

        if (paramList != null) {
            if (isValueReference(paramList)) {
                vb = context.getApplication().createValueBinding(paramList);
                component.setValueBinding("paramList", vb);
            } else {
                component.getAttributes().put("paramList", paramList);
            }
        }
    }

    public String getTotalCount() {
        return totalCount;
    }

    public String getCountPage() {
        return countPage;
    }

    public String getNextImg() {
        return nextImg;
    }

    public String getPreImg() {
        return preImg;
    }

    public String getIsJump() {
        return isJump;
    }
}