KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > jahia > taglibs > pagination > CListPaginationNextRangeOfPagesTag


1 package org.jahia.taglibs.pagination;
2
3 import javax.servlet.jsp.JspException JavaDoc;
4
5 import org.jahia.data.JahiaData;
6 import org.jahia.data.containers.JahiaContainerList;
7 import org.jahia.data.containers.JahiaContainerListPagination;
8 import org.jahia.exceptions.JahiaException;
9 import org.jahia.taglibs.button.AbstractButtonTag;
10 import org.jahia.taglibs.container.ContainerListTag;
11
12 /**
13  * <p>Title: This tag generates a next range of page step button for scrollable container lists</p>
14  * <p>Description: </p>
15  * <p>Copyright: Copyright (c) 2002</p>
16  * <p>Company: Jahia Ltd</p>
17  * @author NK
18  * @version 1.0
19  */
20
21 public class CListPaginationNextRangeOfPagesTag extends AbstractButtonTag {
22
23     private JahiaContainerList containerList = null;
24     private JahiaContainerListPagination cPagination = null;
25     private CListPaginationTag cPaginationTag = null;
26
27     private String JavaDoc title = "Next&gt;&gt;";
28     private String JavaDoc style = "";
29     private String JavaDoc method = "get";
30     private String JavaDoc formName = "";
31     private boolean evaluateOnce = false;
32
33     public void setTitle(String JavaDoc title) {
34         this.title = title;
35     }
36
37     public void setStyle(String JavaDoc style) {
38         this.style = style;
39     }
40
41     public void setMethod(String JavaDoc method) {
42         if ( method != null )
43         {
44             this.method = method;
45         }
46     }
47
48     public void setFormName(String JavaDoc formName) {
49         if ( formName != null )
50         {
51             this.formName = formName.trim();
52         }
53     }
54
55     public String JavaDoc getTitle() {
56         return this.title;
57     }
58
59     public String JavaDoc getStyle() {
60         return this.style;
61     }
62
63     public String JavaDoc getMethod() {
64         return this.method;
65     }
66
67     public String JavaDoc getFormName() {
68         return this.formName;
69     }
70
71     public boolean testRights (JahiaData jData) {
72
73         cPaginationTag = (CListPaginationTag) findAncestorWithClass(this,CListPaginationTag.class);
74         if ( cPaginationTag == null ){
75             return false;
76         }
77         if ( cPaginationTag.getNbStepPerPage()<=0 ){
78             return false;
79         }
80         ContainerListTag parent = (ContainerListTag) findAncestorWithClass(this,ContainerListTag.class);
81         if (parent != null) {
82             this.containerList = parent.getContainerList();
83             if ( this.containerList != null ){
84                 this.cPagination = this.containerList.getCtnListPagination();
85                 if ( this.cPagination != null && this.cPagination.isValid())
86                 {
87                     return true;
88                 }
89             }
90         }
91         return false;
92     }
93
94     public String JavaDoc getLauncher(JahiaData jData) throws JahiaException {
95
96         String JavaDoc value = null;
97         //JahiaConsole.println("CListPaginationNextRangeOfPagesTag.getLauncher","Started ---------------------------------------");
98 //JahiaConsole.println("CListPaginationNextRangeOfPagesTag.getLauncher","Page Number :" + cPaginationTag.getPageNumber());
99 //JahiaConsole.println("CListPaginationNextRangeOfPagesTag.getLauncher","Stop Page :" + cPaginationTag.getStopPageIndex());
100 //JahiaConsole.println("CListPaginationNextRangeOfPagesTag.getLauncher","Total Pages :" + this.cPagination.getNbPages());
101
102         if ( (cPaginationTag.getPageNumber()==(cPaginationTag.getStopPageIndex()) )
103                 && (cPaginationTag.getStopPageIndex()<this.cPagination.getNbPages()) ){
104
105             //JahiaConsole.println("CListPaginationNextRangeOfPagesTag.getLauncher","Yes starting generate next[X] button");
106
107             if ( cPaginationTag.getStartPageIndex()>1 ){
108                 value = jData.gui().drawContainerListNextWindowPageURL( containerList, cPaginationTag.getStopPageIndex()+1-cPagination.getCurrentPageIndex(), this.cPagination.getWindowSize(), this.method.equals("post") );
109             } else {
110                 value = jData.gui().drawContainerListNextWindowPageURL( containerList, cPaginationTag.getNbStepPerPage()+1-cPagination.getCurrentPageIndex(), this.cPagination.getWindowSize(), this.method.equals("post") );
111             }
112
113             //JahiaConsole.println("CListPaginationNextRangeOfPagesTag.getLauncher","Values is :" + value);
114
115             if ( value != null && this.method.equals("post") )
116             {
117                 StringBuffer JavaDoc buff = new StringBuffer JavaDoc("javascript:changePage(document.");
118                 buff.append(getFormName());
119                 buff.append(",document.");
120                 buff.append(getFormName());
121                 buff.append(".ctnscroll_");
122                 buff.append(containerList.getDefinition().getName());
123                 buff.append(",'");
124                 buff.append(value);
125                 buff.append("');");
126                 value = buff.toString();
127             }
128         }
129         return value;
130     }
131
132     public int doEndTag() throws JspException JavaDoc {
133         // let's reinitialize the tag variables to allow tag object reuse in
134 // pooling.
135 containerList = null;
136         cPagination = null;
137         cPaginationTag = null;
138
139         title = "Next&gt;&gt;";
140         style = "";
141         method = "get";
142         formName = "";
143         evaluateOnce = false;
144         return EVAL_PAGE;
145     }
146
147 }
Popular Tags