org.turro.collections.CollectionNavigator Class Reference

Public Member Functions
	CollectionNavigator (CollectionHtmlIterator iterator)
void	setPageSpan (int pageSpan)
void	render ()
Collection< DefaultNavigatorItem >	pages ()

Detailed Description

Author

Lluis Turró Cutiller lluis.nosp@m.@tur.nosp@m.ro.or.nosp@m.g

Definition at line 30 of file CollectionNavigator.java.

Constructor & Destructor Documentation

CollectionNavigator()

org.turro.collections.CollectionNavigator.CollectionNavigator

(

CollectionHtmlIterator

iterator

)

Definition at line 37 of file CollectionNavigator.java.

                                                              {
    this.iterator = iterator;
    this.html = iterator.html;
  }

Member Function Documentation

pages()

Collection<DefaultNavigatorItem> org.turro.collections.CollectionNavigator.pages

(

)

Definition at line 93 of file CollectionNavigator.java.

                                                  {
    if(buttons == null) {
      buttons = new ArrayList<>();
      int pages = iterator.pages(), 
          current = Math.max(iterator.current(), 0);
      if(pages < current || pages == 1) return buttons;
 
      boolean navbut = pages > pageSpan * 2;
      int start = 0, limit = pageSpan * 2;
      
      if(navbut) {
        buttons.add(new DefaultNavigatorItem("1", "?page=" + 1, null, current == 0));
        buttons.add(new DefaultNavigatorItem("&lt;&lt;", "?page=" + (current), null));
        limit -= 4;
        start = Integer.max(1, current - (limit / 2));
        start = Integer.min(start, pages - (limit + 1));
      }
 
      for(int i = start; i < (start + limit) && i < pages; i++) {
        buttons.add(new DefaultNavigatorItem((i + 1) + "", "?page=" + (i + 1), null, current == i));
      }
 
      if(navbut) {
        buttons.add(new DefaultNavigatorItem("&gt;&gt;", "?page=" + (current + 2), null));
        buttons.add(new DefaultNavigatorItem(pages + "", "?page=" + (pages), null, current == pages - 1));
      }
 
    }
    return buttons;
  }

Here is the call graph for this function:

Here is the caller graph for this function:

render()

void org.turro.collections.CollectionNavigator.render

(

)

Definition at line 46 of file CollectionNavigator.java.

                       {
    int pages = iterator.pages(), 
        current = Math.max(iterator.current(), 0);
    if(pages < current || pages == 1) return;
    html.startTag("div", "class='dao-navigator'");
    html.startTag("ul");
    
    if(current - pageSpan > 1) {
      html.startTag("li");
      html.startAnchor("?page=" + 1, null);
      html.write("1");
      html.endTag("li");
    }
    
    if(current > 1) {
      html.startTag("li");
      html.startAnchor("?page=" + (current), null);
      html.write("&lt&lt");
      html.endTag("li");
    }
    
    for(int i = current - pageSpan; i < current + pageSpan; i++) {
      if(i >= 0 && i < pages) {
        html.startTag("li", current == i ? "class='active'" : null);
        html.startAnchor("?page=" + (i + 1), null);
        html.write((i + 1) + "");
        html.endTag("li");
      }
    }
    
    if(current != pages && pages > pageSpan) {
      html.startTag("li");
      html.startAnchor("?page=" + (current + 2), null);
      html.write("&gt&gt");
      html.endTag("li");
    }
    
    if(current + pageSpan < pages) {
      html.startTag("li");
      html.startAnchor("?page=" + pages, null);
      html.write(pages + "");
      html.endTag("li");
    }
 
    html.endTag("div");
  }

Here is the call graph for this function:

setPageSpan()

void org.turro.collections.CollectionNavigator.setPageSpan

(

int

pageSpan

)

Definition at line 42 of file CollectionNavigator.java.

                                        {
    this.pageSpan = pageSpan;
  }

---

The documentation for this class was generated from the following file:

• CollectionNavigator.java